CN216312097U

CN216312097U - Wall-penetrating connector

Info

Publication number: CN216312097U
Application number: CN202121263569.9U
Authority: CN
Inventors: 余强
Original assignee: Suzhou Fengnian Technology Co ltd
Current assignee: Suzhou Fengnian Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-04-15
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a through-wall connector, which comprises a wire holder and a protective cover; the wire holder comprises an insulating holder body, a conductive plate and a locking piece, wherein a plurality of wire connecting grooves are formed in the surface of the insulating holder body along the axis direction, the conductive plate is arranged in the wire connecting grooves, a first cable and a second cable are fixed on the conductive plate through the locking piece, a first buckle structure is arranged on the insulating holder body, and the conductive plate is located on one side of the fixed plate; the protection casing has both ends open-ended and holds the chamber, the one end of protection casing is provided with and holds the intracavity with first buckle structure assorted second buckle structure, the one end that the current conducting plate was installed to the insulating pedestal holds in holding, buckle in second buckle structure can be dismantled to first buckle structure. The utility model has the advantages of power sharing connection points, low price, stable quality, good sealing performance, firm installation, capability of preventing misoperation and the like.

Description

Wall-penetrating connector

Technical Field

The utility model relates to the field of inverters, in particular to a through-wall connector.

Background

The multicore terminal wall connector on the existing market, two cables that need to connect are generally fixed respectively at the both ends of connector, and this kind of mounting means can make respectively with two cable length extensions, increase manufacturing cost, and the tie point is more in addition or electrically conductive thread is longer, appears quality problems more easily, is unfavorable for wall connector long-term stable use. If can observe whether each part is installed in the exact position, to improving installation effectiveness, promote installation quality and have an important effect, in addition, restriction locking part drops, and the producer of being convenient for carries out the pre-installation to the product, and it also has very important effect to the installation of product and the stable durability in the use.

Generally, for safety, the protective cover in the current market is not detachable or difficult to detach, or is not firm in detachable mode and easy to loosen after long-term use, so that personal safety is threatened; but meanwhile, the detachable protective cover is difficult to realize a sealing design and cannot well prevent water, if water vapor enters, equipment failure occurs slightly, and fire and other safety accidents occur seriously, so that the protective cover which can combine the functions of dust prevention, electric leakage prevention, detachability, misoperation prevention, looseness prevention, sealing and the like is difficult to realize.

Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model provides a wall-through connector which has a power sharing connection point, is low in price, stable in quality, good in sealing performance, firm in installation and capable of preventing misoperation, and the specific technical scheme is as follows:

a wall-through connector comprises a wire holder and a protective cover;

the wire holder comprises an insulating holder body, a conductive plate and a locking piece, wherein a plurality of wire connecting grooves are formed in the surface of the insulating holder body along the axis direction, the conductive plate is arranged in the wire connecting grooves, a first cable and a second cable are fixed on the conductive plate through the locking piece, a first buckle structure is arranged on the insulating holder body, a fixing plate is sleeved on the insulating holder body, and the conductive plate is positioned on one side of the fixing plate;

the protection casing has both ends open-ended and holds the chamber, the one end of protection casing is provided with and holds the intracavity with first buckle structure assorted second buckle structure, the one end that the current conducting plate was installed to the insulating pedestal holds in holding, buckle in second buckle structure can be dismantled to first buckle structure.

As a preferred scheme of the through-wall connector, the first fastening structure is a fastening plate with a fastening hook, the fastening plate is vertically arranged on the fixing plate, the fastening hook is arranged at one end of the fastening plate, which is far away from the fixing plate, the axial direction of the fastening plate is consistent with the axial direction of the insulating base, and the fastening plate and the conductive plate are located at the same side of the fixing plate;

the second buckle structure is a clamping groove with a clamping hole, the clamping groove is formed in one end of the protective cover, the clamping hole is formed in the surface of the clamping groove, the clamping plate is contained in the clamping groove, and the clamping hook is buckled on the clamping hole.

As a preferable scheme of the through-wall connector, the wire holder further comprises a clamping piece, the clamping piece is detachably connected with the insulating base body, and the clamping piece can limit the locking piece to fall off from the insulating base body;

the insulating base body is sleeved with a fixing plate, the fixing plate is provided with a fixing hole, and the wall penetrating connector can be fixed on equipment through the fixing hole.

As a preferred embodiment of the through-wall connector of this patent, the insulating base is provided with at least one annular groove, the annular groove and the conductive plate are located on the same side of the fixed plate, a first seal ring is nested in the annular groove, and the first seal ring can seal the protective cover on the insulating base;

the one end that the current conducting plate was kept away from to the fixed plate is provided with at least one annular seal groove, annular seal groove and jack are located same one side of fixed plate, nested the second sealing washer in the annular seal groove, fixed plate fixed mounting is on the device, and the sealed insulating pedestal of second sealing washer is on insulating pedestal.

As a preferred scheme of the through-wall connector, one end of the insulating base body is provided with a plurality of jacks along an axis direction, the jacks correspond to the wiring grooves one to one, the jacks are communicated with the wiring grooves, and the jacks and the wiring grooves are respectively located on two sides of the fixing plate;

the current-conducting plate is accommodated in the wiring groove, a wiring hole is formed in the current-conducting plate, the first cable penetrates through the jack and extends into the lower portion of the current-conducting plate, the second cable is accommodated in the wiring groove, the wiring end of the first cable and the wiring end of the second cable correspond to the wiring hole, and the locking piece penetrates through the wiring hole to electrically connect the first cable and the second cable to the current-conducting plate;

the clamping piece can abut against the conductive plate in the wiring slot.

As a preferred scheme of the through-wall connector, the wiring slot is provided with a wiring chute and a first wire slot, the wiring chute is oppositely arranged on a side wall of the wiring slot, the conductive plate is accommodated in the wiring chute, the first wire slot is arranged at the bottom of the wiring slot, the first wire slot corresponds to the wiring hole, the wiring slot is communicated with the jack through the first wire slot, a first cable wiring end passes through the jack and is accommodated in the first wire slot, and the first cable is located below the conductive plate;

the insulating pedestal is equipped with a plurality of mounting holes and shelters from the groove, the mounting hole is located one side that wiring groove was kept away from to the insulating pedestal, the mounting hole is linked together with wiring groove, the mounting hole is corresponding with wiring hole, and the retaining member passes through the mounting hole and fixes the current conducting plate in wiring groove, shelter from the groove and be located the one end that jack was kept away from to the insulating pedestal, shelter from the groove with wiring groove is corresponding, shelter from the groove and be close to the mounting hole and communicate with the mounting hole.

As a preferred scheme of the through-wall connector, the first cable terminal is a first wiring lug, the second cable terminal is a second wiring lug, and the first wiring lug, the wiring hole and the second wiring lug correspond to each other;

the locking piece comprises a bolt and a nut, the bolt comprises a bolt tail end, the bolt tail end is non-circular, the bottom of the first wire groove is provided with an accommodating hole matched with the bolt tail end, the accommodating hole corresponds to the mounting hole, the first wire groove and the shielding groove are communicated through the accommodating hole, the bolt penetrates through the accommodating hole, the first wiring nose, the wiring hole and the second wiring nose from the mounting hole in sequence, the bolt tail end is accommodated in the accommodating hole, the nut is fixed on the bolt, and the first cable and the second cable are both fixedly and electrically connected with the current-conducting plate;

the long side of the current-conducting plate is provided with a convex edge relatively, the convex edge is in interference fit with the wiring sliding groove, and the current-conducting plate is fixed in the wiring sliding groove.

As this patent wear a preferred scheme of wall connector, the connection terminal still includes the fastener, the fastener includes tongue-shaped plate, shielding plate and connecting block, tongue-shaped plate and shielding plate connect perpendicularly respectively in the tip of connecting block, tongue-shaped plate and shielding plate are located same one side of connecting block, the tongue-shaped plate holds in the wiring spout and offsets with the current conducting plate, the shielding plate holds in sheltering from the inslot, one side that the connecting block was kept away from to the shielding plate is provided with shelters from the shell fragment, it is provided with on the shell fragment and shelters from the arch to shelter from, shelter from protruding buckle in the mounting hole, the one end that the connecting block was kept away from to the shielding plate is corresponding with the wiring hole, the shielding plate can buckle in insulating block and backstop bolt in the mounting hole.

As a preferred solution of the through-wall connector of this patent, the protective cover includes a protective shell and a wire locking sleeve;

the protective shell is provided with an accommodating cavity with openings at two ends, one end of the protective shell is provided with a connecting end, the surface of the connecting end is provided with external threads and at least one stop elastic sheet, the stop elastic sheet is positioned at one side of the external threads, which is far away from a port of the connecting end, one end of the stop elastic sheet is fixedly connected with the connecting end, the other end of the stop elastic sheet is a free end, the axis direction of the stop elastic sheet is vertical to the axis direction of the connecting end, the stop elastic sheet inclines towards the direction far away from the connecting end, and one side of the stop elastic sheet, which is far away from the port of the connecting end, is provided with a pressing bulge;

the lock line cover is both ends open-ended cavity tubular structure, lock line cover inner wall annular be provided with a plurality of bevel gear grooves and with external screw thread assorted internal thread, the bevel gear groove is close to the one end of lock line cover, the internal thread is close to the bevel gear groove, the incline direction in bevel gear groove is unanimous with the incline direction of backstop shell fragment, female thread threaded connection is on the external screw thread, the backstop shell fragment holds in the bevel gear inslot, and the backstop shell fragment that holds in the bevel gear inslot can backstop lock line cover and unclamp from the connecting end, presses down the arch and can make lock line cover unclamp from the connecting end.

As a preferable scheme of the through-wall connector, the wire locking sleeve comprises a wire locking nut, a wire sealing bush and a wire sealing claw;

the locking nut, the wire sealing bush and the wire sealing claw are all of hollow cylindrical structures, the wire sealing bush and the wire sealing claw are both accommodated in a hollow cavity, the wire sealing claw penetrates through the wire sealing bush, the locking nut is provided with a hollow cavity, and the locking nut is provided with an inclined gear groove and an internal thread matched with the external thread;

an annular blocking piece is arranged on the inner wall of the connecting end, one end of the line sealing bush is abutted against the annular blocking piece, a waterproof film is arranged on an opening of one end, away from the protective shell, of the line sealing bush, and the second cable can penetrate through the waterproof film and is surrounded by the rolled waterproof film;

the wire sealing clamping jaw is accommodated in the hollow cavity, a plurality of sealing strips are annularly arranged at one end, away from the protective shell, of the wire sealing clamping jaw, the axial direction of each sealing strip is consistent with that of the wire sealing clamping jaw, one end, away from the protective shell, of the hollow cavity is a conical hollow cavity, and the inner diameter of the conical hollow cavity is gradually reduced along the direction away from the protective shell; the wire locking sleeve is screwed on the connecting end, the sealing strip is extruded by the conical cavity to be inclined inwards, and the inwardly inclined sealing strip can surround the second cable to seal the second cable.

Compared with the prior art, this patent wear wall connector, its technical scheme has following one or more beneficial effect at least:

(1) the first cable and the second cable are arranged on the same wiring hole of the current-conducting plate, so that the first cable and the second cable are provided with power sharing connection points, the design aims are fulfilled, the length of the current-conducting plate can be greatly saved, the cost of the current-conducting plate is saved, the current-conducting plate of the embodiment saves half of the cost compared with the conventional technology, and the manufacturing cost of the wall-penetrating connector is greatly reduced, so that the wall-penetrating connector can be accepted and used by users, and is beneficial to wide popularization and use; in addition, the number of connection points and conductive threads is reduced, the loosening fault of the connection points or other fault problems are reduced, the long-term stable operation of the wire holder is facilitated, and the service life of the wire holder is further prolonged.

(2) The use is convenient, the clamping piece is arranged, a first cable can be inserted into the jack of the equipment end, the clamping piece can be detachably arranged on the insulating base body, on one hand, a clamping tongue plate of the clamping piece is abutted against the current conducting plate, the outer end of the clamping piece is aligned with the outer end of the insulating base body, whether the current conducting plate is arranged at the correct position or not and whether the clamping piece is arranged at the correct position or not are visually observed by observing whether a wiring board of the current conducting plate is abutted against a stop surface or not, whether the outer end of the clamping piece is aligned with the outer end of the insulating base body or not, and the like, the operation is simple and easy, the assembly efficiency is improved, on the other hand, the shielding plate of the clamping piece shields the installation hole, so that the bolt sleeved with the first cable and the current conducting plate is fixed in the installation hole, the semi-finished product of the wiring base is convenient to be delivered to customers, and only the second cable at the outer end needs to be installed after the customers take the device, meanwhile, the firmness of the wire holder in locking installation and use can be improved, and the service life is prolonged.

(3) Functional cables, such as temperature measuring wires and the like, can be connected, so that the functional diversity of the wire holder is increased; the rib that the connection terminal both sides set up no for the protection casing is established to the cover and is played and prevent slow-witted effect, avoids misoperation to cause the error installation, thereby brings the unnecessary loss.

(4) The wire holder still is equipped with the annular seal groove and the annular groove that can nested sealing washer for can both seal design between wire holder and the equipment end, between wire holder and the protection casing, avoid the infiltration weeping, cause the cable to corrode and rust etc. help improving the life of wire holder.

(5) The protecting sheathing junction adopts mechanical backstop design, and its link is provided with the backstop shell fragment, prevents that the lockwire cover accident pine from taking off or using ageing back pine of taking off for a long time and taking off, security and stability that improve equipment used, in addition, still be provided with and press down the arch, the lockwire cover of dismantling promptly is pressed down to the locking back is manual, and need not dismantle with the help of appurtenance, the operation of being convenient for has greatly improved the convenience of using, more convenience of customers's use.

(6) The locking wire cover is provided with waterproof film, seals up around the second cable of installation, and the interval is provided with the sealing strip on the sealing wire jack catch in addition, adopts flexible design, and realizes sealed to the second cable to realize that whole sealing is waterproof, can be compatible the second cable of more specifications simultaneously, not only safe but also practical.

(7) The pothook that waterproof case set up on the cardboard must just can unblock with the help of the instrument, mechanical unlocking promptly, prevents that the maloperation from giving people the safety and bringing danger or hindering the normal operating of equipment, and this kind of design is safer.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded view of the through-wall connector according to the present embodiment in use;

fig. 2 is a schematic perspective view of the wall-penetrating connector according to the present embodiment;

fig. 3 is a schematic plan view of a part of the components of the wire holder according to the present embodiment;

FIG. 4 is a schematic view of the cross-sectional structure taken along line A-A of FIG. 3;

fig. 5 is a schematic plan view of a part of the components of the wire holder according to the present embodiment;

FIG. 6 is a schematic view of the cross-sectional structure of FIG. 5 taken along the line B-B;

fig. 7 is a schematic plan view of the wire holder according to the present embodiment;

FIG. 8 is a schematic view of the cross-sectional structure of FIG. 7 taken along the line C-C;

fig. 9 is a schematic perspective view of an insulating base according to this embodiment;

fig. 10 is a schematic perspective view of the insulating base according to the present embodiment in another direction;

fig. 11 is a schematic perspective view of one direction of the card media according to the embodiment;

fig. 12 is a schematic perspective view of another direction of the clip member according to the embodiment;

fig. 13 is a schematic perspective view of the conductive plate and the clinch nut according to the embodiment;

fig. 14 is an exploded view of the conductive plate and clinch nut of the present embodiment;

fig. 15 is a schematic perspective view of the protective cover according to the embodiment;

FIG. 16 is a schematic view of the cross-sectional structure of FIG. 15 taken along line D-D;

FIG. 17 is a schematic perspective view of the protective housing of the present embodiment in one direction;

FIG. 18 is a schematic perspective view of the protective housing of the present embodiment in another orientation;

fig. 19 is a schematic perspective view of the locknut according to the present embodiment;

fig. 20 is a schematic perspective view of the wire sealing bush according to the present embodiment;

fig. 21 is a schematic perspective view of the thread sealing claw according to the present embodiment.

Wherein, 1-wire holder, 2-conductive plate, 4-clip, 5-shield, 6-locknut, 7-wire-sealing bushing, 8-wire-sealing jaw, 10-insulating base, 101-fixing plate, 1011-fixing hole, 1012-clip plate, 1013-clip, 1014-ring sealing groove, 11-insertion hole, 12-wire groove, 121-wire chute, 122-first wire groove, 123-installation hole, 1231-accommodation hole, 124-shielding groove, 1241-shielding chute, 125-placing block, 1251-stop face, 1252-conductive groove, 1253-nut groove, 126-barrier strip, 127-ring groove, 128-first rib structure, 129-second rib structure, 13-functional wire hole, 21-wiring board, 211-wiring hole, 212-interference surface, 213-convex edge, 22-connecting board, 23-functional wiring board, 231-round hole, 31-first cable, 311-first cable terminal, 321-second cable terminal, 33-functional cable, 331-functional cable terminal, 34-rivet nut, 341-knurling tooth, 41-tongue plate, 42-shielding plate, 421-shielding elastic sheet, 4211-shielding protrusion, 422-sliding block, 43-connecting block, 50-protective shell, 501-clamping groove, 502-clamping hole, 51-accommodating cavity, 52-connecting end, 521-stopping elastic sheet, 5211-pressing protrusion, 522-external thread, 523-groove and 524-annular baffle, 525-a sawtooth-shaped port, 61-an inclined gear groove, 62-internal threads, 63-a hollow cavity, 71-a waterproof film, 81-a sealing strip, 82-an annular sleeve and 821-an annular sawtooth groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "provided," "connected," "mounted," "sleeved," "opened," "fixed," and the like are to be construed broadly, e.g., as fixed or detachable connections or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1-21, as shown in fig. 1-21, the utility model discloses a through-wall connector, which comprises a wire holder 1 and a protective cover 5, as shown in fig. 1-2, the wire holder 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 wire holder 1, the first cable 31 and the second cable are mounted on the same wiring hole 211 of the conductive plate 2, such that the first cable 31 and the second cable have a power-sharing connection point, designed for the purpose, the length of the current-conducting plate can be greatly saved, the cost of the current-conducting plate is saved, compared with the conventional technology, the current-conducting plate of the embodiment saves half of the cost, the manufacturing cost of the through-wall connector is greatly reduced, therefore, the through-wall connector can be accepted and used by users, and is beneficial to wide popularization and use; in addition, the connection points and the conductive threads are reduced, the loosening faults of the connection points or other faults are also reduced, the long-term stable operation of the wire holder is facilitated, and the service life of the wire holder is further prolonged; on the other hand, the protection casing that sets up has the leakproofness, and the protection casing self has the leakproofness, with insulating pedestal 10 sealing connection, the second cable is sealed with the second cable when stretching into the protection casing, and insulating pedestal 10 sealing fixation in equipment end, and the all-round sealed design, the protection second cable that more can be fine is not corroded rust etc. by environmental impact, can prolong the life of equipment and second cable better. The present embodiment is described by taking a 5-core 50A wall-through connector as an example, and the 5-core 50A wall-through connector is mainly used for cable connection on an inverter.

The wire holder 1 comprises an insulating holder body 10, a conductive plate 2 and a locking member, as shown in fig. 3-14;

a plurality of jacks 11 are formed in one end of the insulating base 10 along the axial direction, as shown in fig. 9-10, a plurality of wiring grooves 12 are formed in the surface of the insulating base 10 along the axial direction, the wiring grooves 12 are located at one end of the insulating base 10 far away from the jacks 11, the jacks 11 correspond to the wiring grooves 12 one by one, and the jacks 11 are communicated with the wiring grooves 12; the cover is equipped with fixed plate 101 on the insulating pedestal 10, a plurality of fixed orifices 1011 has been seted up on the fixed plate 101, insulating pedestal 10 is fixed in on the device, jack 11 holds and faces in the device, set up cardboard 1012 perpendicularly on the fixed plate 101, cardboard 1012 is kept away from fixed plate 101 one end and is provided with pothook 1013, cardboard 1012 axis direction with insulating pedestal 10 axis direction is unanimous, cardboard 1012 and wiring groove 12 are located same one side of fixed plate 101, the one end that the current-conducting plate 2 was kept away from to fixed plate 101 is provided with at least one ring seal groove 1014, ring seal groove 1014 and jack 11 are located same one side of fixed plate 101, nested second sealing washer in the ring seal groove 1014, fixed plate 101 fixed mounting is on the device, and second sealing washer pedestal seals insulating pedestal 10 on insulating pedestal 10. In the example, a plurality of the insertion holes 11 are arranged in parallel, a plurality of the wire connecting grooves 12 are arranged in parallel, 5 insertion holes 11 are provided, and 5 wire connecting grooves 12 are provided. The wire holder is also provided with an annular sealing groove in which a sealing ring can be nested, so that the wire holder is in sealing connection with the equipment end, water seepage and liquid seepage are avoided, the cable is prevented from being corroded and rusted, and the service life of the wire holder is prolonged.

The conducting plate 2 is fixedly accommodated in the wiring slot 12, the conducting plate 2 is provided with a wiring hole 211, the first cable 31 passes through the insertion hole 11 and is accommodated in the wiring slot 12, the second cable is accommodated in the wiring slot 12, the first cable terminal 311 and the second cable terminal 321 correspond to the wiring hole, the locking member passes through the wiring hole to electrically connect the first cable 31 and the second cable to the conducting plate 2, and in the example, the conducting plate 2 is a copper conducting plate;

the protective cover 5 is provided with an accommodating cavity 51 with openings at two ends, the second cable penetrates through one opening end to extend into the accommodating cavity 51 and is electrically connected with the conductive plate 2, one opening end of the protective cover 5 is provided with a clamping groove 501, the axial direction of the clamping groove 501 is consistent with the axial direction of the protective cover 5, a clamping hole 502 is formed in the surface of the clamping groove 501, one end, close to the wiring groove, of the insulating base 10 is accommodated in the accommodating cavity, the clamping plate 1012 is accommodated in the clamping groove 501, the clamping hook 1013 is clamped in the clamping hole 502, and the first opening end of the protective cover 5 is abutted against the fixed plate 101; the auxiliary tool is inserted into the locking hole 502 to mechanically unlock the hook 1013, the hook 1013 is retracted into the locking groove 501, and the shield 5 can be taken out from the insulating base 10. The pothook that waterproof case set up on the cardboard must just can unblock with the help of the instrument, mechanical unlocking promptly, prevents that the maloperation from giving people the safety and bringing danger or hindering the normal operating of equipment, and this kind of design is safer.

The side walls of the two sides of the wiring slot 12 are oppositely provided with wiring sliding slots 121, the axial direction of the wiring sliding slots 121 is consistent with the axial direction of the insulating base 10, the conductive plate 2 is accommodated in the wiring sliding slots 121 of the wiring slot 12, and the conductive plate 2 extends into one end of the wiring sliding slots 121 far away from the insertion holes 11 and moves towards the insertion holes 11 until the conductive plate moves to the tail end of the wiring sliding slots 121; the bottom of the wiring slot 12 is provided with a first wiring slot 122, the wiring slot 12 is communicated with the jack 11 through the first wiring slot 122, the first cable terminal 311 penetrates through the jack 11 and is accommodated in the first wiring slot, the first cable 31 is positioned below the conductive plate 2, and the second cable terminal 321 is placed on the conductive plate 2. In the example, the first cable terminal 311 is a first lug, the second cable terminal 321 is a second lug, and the first lug, the wiring hole and the second lug correspond; a plurality of mounting holes 123 are formed in one side, away from the wiring slot 12, of the insulating base 10, the mounting holes 123 correspond to the wiring slot 12 one by one, the mounting holes 123 are communicated with the first wiring slot 122, the mounting holes 123 correspond to the wiring holes 211, and the locking piece fixes the conductive plate 2 in the wiring slot 12 through the mounting holes 123; a plurality of shielding grooves 124 are formed in one end, away from the insertion hole 11, of the insulating base 10, the axial direction of the shielding grooves 124 is consistent with the axial direction of the insulating base 10, the shielding grooves 124 correspond to the wiring grooves 12 one by one, and the mounting holes 123 are communicated with the shielding grooves 124 and the wiring grooves 12;

the retaining member includes bolt and nut, the bolt includes the bolt tail end, the bolt tail end is non-circular, first line groove 122 bottom seted up with bolt tail end assorted accommodation hole 1231, the accommodation hole is corresponding with mounting hole 123, first line groove 122 with shelter from groove 124 and be linked together through accommodation hole 1231, the bolt penetrates and passes accommodation hole 1231, first wiring nose, wiring hole 211 and second wiring nose in proper order from mounting hole 123, the bolt tail end holds in accommodation hole 1231, the second wiring nose is worn to overlap on the bolt, the nut is fixed in on the bolt, with first wiring nose, second wiring nose all with 2 fixed connection of current-conducting plate to realize the electric connection of first cable 31 and second cable. In an example, the bolt is a hex bolt.

The wire holder 1 further comprises a clamping piece 4, as shown in fig. 11-12, the clamping piece 4 can abut against the conductive plate 2 in the wire connecting slot, and the clamping piece 4 can stop the locking piece in the wire connecting hole 211. The clip 4 comprises a tongue plate 41, a shielding plate 42 and a connecting block 43, one end of the connecting block 43 is fixedly connected with the tongue plate 41, one end of the connecting block 43 is fixedly connected with the shielding plate 42, the tongue plate 41 and the shielding plate 42 are arranged in parallel, the tongue plate 41 and the shielding plate 42 are positioned at the same side of the connecting block 43, the length of the tongue plate 41 is smaller than that of the shielding plate 42, the tongue plate 41 is accommodated in the wiring chute 121 and is abutted against the conductive plate 2, the shielding plate 42 is accommodated in the shielding groove 124, one end of the shielding plate 42 far away from the connecting block 43 corresponds to the wiring hole 211, one side of the shielding plate 42 far away from the connecting block 43 is provided with a shielding elastic piece 421, the shielding elastic piece 421 is provided with a shielding protrusion 4211, the shielding protrusion 4211 has an inclined plane and a vertical plane perpendicular to the shielding elastic piece 421, the vertical plane is positioned at one side of the shielding protrusion 4211 far away from the jack 11, the inclined surface is located on one side of the shielding protrusion 4211 close to the insertion hole 11, the inclined surface faces to the direction far away from the insertion hole from the side close to the insertion hole 11, and the inclined surface inclines to the direction far away from the shielding plate 42; one side of the mounting hole 123 far away from the insertion hole 11 is a shielding surface, the shielding plate 42 is accommodated in the shielding groove 124, and the vertical surface is abutted against the shielding surface, so that the shielding plate 42 is fastened in the shielding hole. When the card member 4 is taken out, the shielding protrusion 4211 is pressed, the shielding protrusion 4211 retracts into the shielding groove 124, and the card member 4 can be detached from the insulating base 10. In addition, preferably, the side wall of the shielding plate 42 close to the connecting block 43 is provided with a sliding block 422, the side walls of both sides of the shielding groove 124 are provided with shielding sliding grooves 1241 in an opposite way, and the sliding block 422 is accommodated in the shielding sliding grooves 1241. Preferably, the side wall of the shielding plate 42 close to the connecting block 43 is provided with a sliding block 422, the side walls of the two sides of the shielding groove 124 are provided with shielding sliding grooves 1241 in a facing manner, and the sliding block 422 is accommodated in the shielding sliding grooves 1241. The sliding block 422 and the shielding sliding groove 1241 are provided to enable the shielding plate 42 to smoothly extend into and withdraw from the shielding groove 124.

Connecting block holding tank has still been seted up to the connecting block bottom at the connecting block mounted position, the connecting block holds in the connecting block holding tank, and in the example, connecting block holding tank intercommunication wiring spout with shelter from the groove.

The clamping piece is arranged, a first cable can be inserted into the jack of the equipment end, the clamping piece can be detachably arranged on the insulating base body, on one hand, a clamping tongue plate of the clamping piece is abutted against the current conducting plate, the outer end of the clamping piece is aligned with the outer end of the insulating base body, whether the current conducting plate is arranged at the correct position and whether the clamping piece is arranged at the correct position can be visually observed by observing whether a wiring board of the current conducting plate is abutted against a stop surface, whether the clamping tongue plate is abutted against the wiring board of the current conducting plate and whether the outer end of the clamping piece is aligned with the outer end of the insulating base body, on the other hand, the shielding plate of the clamping piece shields the installation hole, so that a bolt sleeved with the first cable and the current conducting plate is fixed in the installation hole, the bolt is in place, the semi-finished product of the wiring base is convenient to be delivered to customers, and only the second cable at the outer end needs to be installed after the customers take the device, meanwhile, the firmness of the wire holder in locking installation and use can be improved, and the service life is prolonged.

In a preferred embodiment, one end of the insulating base 10 is further provided with a plurality of function line holes 13 along an axial direction, the plurality of function line holes 13 are arranged in parallel, in an example, there are 5 function line holes 13, the function line holes 13 and the insertion holes 11 are located on the same end surface of the insulating base 10, the function line holes 13 are located above the insertion holes 11, the function line holes 13 are communicated with the wiring grooves 12, the insulating base 10 further includes a placing block 125, the placing block 125 is located between the insertion holes 11 and the function line holes 13, one end of the placing block 125 close to the wiring holes 211 is a stopper surface 1251, one end of the placing block 125 close to the wiring holes 211 is provided with a conductive groove 1252, and the bottom of the conductive groove 1252 is provided with a nut groove 1253. In the example, the functional cable 33 is an NTC temperature measurement wire.

The conductive plate 2 includes a wiring board 21, a connecting board 22 and a functional wiring board 23, as shown in fig. 13-14, one end of the connecting board 22 is perpendicularly connected with the wiring board 21, the other end of the connecting board 22 is perpendicularly connected with the functional wiring board 23, the wiring board 21 and the functional wiring board 23 are located at two sides of the connecting board 22, a wiring hole 211 is opened on the wiring board 21, the width of the connecting board 22 is smaller than the width of the wiring board 21, a circular hole 231 is opened on the functional wiring board 23, the functional wiring board 23 is accommodated in a conductive groove 1252, one end of the wiring board 21 close to the connecting board 22 is an interference surface 212, the interference surface 212 is in contact with the stop surface 1251, the interference surface 212 is observed to be in contact with the stop surface 1251, and then the conductive plate 2 can be judged to have been installed at a correct position, otherwise, if a gap is left between the interference surface 212 and the stop surface 1251, the conductive plate 2 is not mounted at the correct position, which may cause the wiring hole 211 and the receiving hole 1231 to be misaligned, so that the bolt cannot pass through the receiving hole, the first wiring lug, the wiring hole 211 and the second wiring lug in sequence, and the bolt cannot be mounted for use. Preferably, the long side of the wiring board 21 is oppositely provided with a convex edge 213, the convex edge 213 is in interference fit with the wiring chute 121, and the wiring board 21 is fixed in the wiring chute 121.

The function cable terminal 331 is provided with a function wire connection lug, and the function cable 33 is placed on the function wire board 23 through the function wire hole 13, which corresponds to the circular hole 231.

Functional cables, such as temperature measuring wires and the like, can be connected, so that the functional diversity of the wire holder is increased; the rib that the connection terminal both sides set up no for the protection casing is established to the cover and is played and prevent slow-witted effect, avoids misoperation to cause the error installation, thereby brings the unnecessary loss.

The photo-matching functional bolt comprises a press-riveting nut 34 and a functional bolt matched with the press-riveting nut 34, wherein the press-riveting nut 34 comprises embossing teeth 341, the embossing teeth 341 are pressed in the round hole 231, the press-riveting nut 34 is positioned on one side, close to the wiring board 21, of the functional wiring board 23, the press-riveting nut 34 is contained in a nut groove 1253, and the functional bolt sequentially penetrates through a functional wiring nose and the round hole 231 and is fixed in the press-riveting nut 34.

The lateral walls of the two sides of the wiring slot 12 are provided with barrier strips 126 relatively, the axial direction of the barrier strips 126 is consistent with the axial direction of the insulating base 10, the barrier strips 126 are located above the conductive slots, and the functional wire board 23 can be pressed by the barrier strips 126 in the conductive slots.

Preferably, the insulating base 10 is provided with at least one annular groove 127, the annular groove 127 and the conductive plate 2 are located on the same side of the fixed plate 101, a first sealing ring is nested in the annular groove 127, one end of the insulating base 10, where the conductive plate 2 is installed, is accommodated in the accommodating cavity 51, and the first sealing ring can seal the protective cover 5 on the insulating base 10. The wire holder is also provided with an annular groove capable of being nested with the sealing ring, so that the wire holder is hermetically connected with the protective cover, water seepage and liquid seepage are avoided, the cable is prevented from being corroded and rusted, and the service life of the wire holder is prolonged.

The protective cover 5 comprises a protective shell 50 and a wire locking sleeve; the protective housing 50 and the wire sleeve are coaxially arranged, as shown in fig. 15-21;

the protective shell 50 is provided with an accommodating cavity 51 with two open ends, as shown in fig. 16-18, 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 stopping elastic sheet 521, the stopping elastic sheet is close to the external thread, of course, as shown in fig. 17, the stopping elastic sheet 521 is located on one side of the external thread 522 away from the port of the connecting end 52, one end of the stopping elastic sheet 521 is fixedly connected with the connecting end 52, the other end of the stopping elastic sheet 521 is a free end, the axial direction of the stopping elastic sheet 521 is perpendicular to the axial direction of the connecting end 52, the stopping elastic sheet 521 inclines towards the direction away from the connecting end 52, one side of the stopping elastic sheet 521 away from the port of the connecting end 52 is provided with a pressing protrusion 5211, and the port of the connecting end 52 is a saw-toothed port 525; preferably, a groove 523 is formed in the position of the stop elastic piece 521 on the surface of the connecting end, the groove 523 corresponds to the stop elastic piece 521, and the pressed stop elastic piece 521 is accommodated in the groove 523.

The lockwire sleeve is of a hollow cylindrical structure with openings at two ends, a plurality of inclined gear grooves 61 and internal threads 62 matched with the external threads are annularly arranged on the inner wall of the lockwire sleeve, the inclined gear grooves 61 are close to one end of the lockwire sleeve, the internal threads are close to the inclined gear grooves 61, the inclination direction of the inclined gear grooves 61 is consistent with the inclination direction of the stop elastic pieces 521, the internal threads 62 are in threaded connection with the external threads 522, the stop elastic pieces 521 are contained in the inclined gear grooves 61, the stop elastic pieces 521 contained in the inclined gear grooves 61 can stop the lockwire sleeve from being loosened from the connecting end, and the lockwire sleeve can be loosened from the connecting end by pressing the pressing protrusion 5211; one end of the wire locking sleeve, which is far away from the inclined gear groove 61, is provided with a sealing structure, and the sealing structure can penetrate through the second cable and surround the second cable;

the wire locking sleeve comprises a wire locking nut 6, a wire sealing bush 7 and a wire sealing claw 8;

the locking wire nut 6, the sealing wire bush 7 and the sealing wire claw 8 are all of hollow cylindrical structures, the locking wire nut 6, the sealing wire bush 7 and the sealing wire claw 8 are all coaxially arranged, the locking wire nut 6 is provided with a hollow cavity 63, as shown in fig. 19, the locking wire nut 6 is provided with an inclined gear groove 61 and an internal thread 62 matched with an external thread, the inclined gear groove 61 is close to one end of the locking wire nut 6, and the internal thread is close to the inclined gear groove 61;

the wire sealing bush 7 is accommodated in the hollow cavity 63, as shown in fig. 20, the inner wall of the connecting end is provided with an annular blocking piece 524, one end of the wire sealing bush 7 is abutted to the annular blocking piece 524, the sealing structure is a waterproof film 71, the opening at one end of the wire sealing bush 7, which is far away from the protective shell 50, is provided with the waterproof film 71, and the second cable can pass through the waterproof film 71 and be surrounded by the rolled waterproof film 71.

The wire sealing jaw 8 is accommodated in the hollow cavity 63, as shown in fig. 21, the wire sealing jaw 8 is sleeved on the wire sealing bush 7, a plurality of sealing strips 81 are annularly arranged at one end, away from the protective housing 50, of the wire sealing jaw 8, the axial direction of the sealing strips 81 is consistent with the axial direction of the wire sealing jaw 8, the hollow cavity 63 is a conical hollow cavity at one end, away from the protective housing 50, of the hollow cavity 63, and the inner diameter of the conical hollow cavity is gradually reduced along the direction away from the protective housing 50; the wire locking sleeve is screwed on the connecting end 52, the sealing strip 81 is inclined towards the axial direction under the extrusion of the conical cavity, and the sealing strip 81 inclined towards the axial direction can surround the second cable to seal the second cable. The surface of the wire sealing claw 8 is sleeved with an annular sleeve 82, one side of the annular sleeve 82 close to the connecting end 52 is provided with an annular sawtooth groove 821, the wire locking sleeve is screwed on the connecting end 52, and the annular sawtooth groove 821 is matched with the sawtooth-shaped port; the end of the sealing line claw 8 far away from the sealing strip 81 is arranged between the connecting end and the sealing line bushing 7.

In a preferred embodiment, one side of the insulation seat body 10 close to the wire connecting slot is provided with a first rib structure 128 along the axial direction, the other side of the insulation seat body 10 close to the wire connecting slot is provided with a second rib structure 129 along the axial direction, and the shapes, positions and/or spacing distances of the first rib structure 128 and the second rib structure 129 are not consistent; the inconsistent shape, position and/or spacing distance of the first rib structure 128 and the second rib structure 129 can play a fool-proof role to prevent the protection shell 50 from being installed incorrectly, although the first rib structure 128 and the second rib structure 129 are not necessarily designed differently, and the first rib structure 128 and the second rib structure 129 without the fool-proof role can also be taken as a non-preferred scheme.

The inner wall of the protective shell 50 is provided with a first groove structure at a corresponding position of the first rib structure 128, the first groove structure is matched with the first rib structure 128, the first rib structure 128 is contained in the first groove structure, the inner wall of the protective shell 50 is provided with a second groove structure at a corresponding position of the second rib structure 129, the second groove structure is matched with the second rib structure 129, and the second rib structure 129 is contained in the second groove structure.

This patent the locking wire protection casing have following one or more beneficial effect:

(1) the first cable and the second cable are arranged on the same wiring hole 211 of the conductive plate 2, so that the first cable and the second cable are provided with power sharing connection points, the design aims are fulfilled, the length of the conductive plate can be greatly saved, the cost of the conductive plate is saved, compared with the conventional technology, the conductive plate of the embodiment saves half of the cost, and the manufacturing cost of the wall-penetrating connector is greatly reduced, so that the wall-penetrating connector can be accepted and used by users, and is beneficial to wide popularization and use; in addition, the number of connection points and conductive threads is reduced, the loosening fault of the connection points or other fault problems are reduced, the long-term stable operation of the wire holder is facilitated, and the service life of the wire holder is further prolonged.

(2) The use is convenient, the clamping piece is arranged, a first cable can be inserted into the jack of the equipment end firstly, the clamping piece can be detachably arranged on the insulating base body, on one hand, a clamping tongue plate of the clamping piece is abutted against the current conducting plate, the outer end of the clamping piece is aligned with the outer end of the insulating base body, whether the current conducting plate is arranged at the correct position or not and whether the outer end of the clamping piece is aligned with the outer end of the insulating base body or not are visually observed by observing whether the wiring board of the current conducting plate is abutted against the stop surface or not, whether the clamping piece is arranged at the correct position or not and whether the clamping piece is arranged at the correct position or not, the visual judgment and the simple operation can be realized, the assembly is simpler and simpler, on the other hand, the shielding plate of the clamping piece shields the assembly hole, the bolt sleeved with the first cable and the current conducting plate is fixed in the assembly hole, the semi-finished product of the wiring board can be conveniently delivered to a customer, only the second cable at the outer end needs to be installed after the customer takes the device, meanwhile, the firmness of the wire holder in locking installation and use can be improved, and the service life is prolonged.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "yet another embodiment," "other embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A wall-through connector is characterized by comprising a wire holder (1) and a protective cover (5);

the wiring seat (1) comprises an insulating seat body (10), a conducting plate (2) and a locking piece, wherein a plurality of wiring grooves (12) are formed in the surface of the insulating seat body (10) along the axis direction, the conducting plate (2) is installed in the wiring grooves (12), a first cable and a second cable are fixed on the conducting plate (2) through the locking piece, a first buckle structure is arranged on the insulating seat body (10), a fixing plate (101) is sleeved on the insulating seat body (10), and the conducting plate (2) is located on one side of the fixing plate (101);

protection casing (5) have both ends open-ended hold chamber (51), the one end of protection casing (5) is provided with first buckle structure assorted second buckle structure, the one end that current conducting plate (2) were installed in insulating pedestal (10) holds in holding chamber (51), buckle in second buckle structure can be dismantled to first buckle structure.

2. A wall-penetrating connector according to claim 1, wherein the first latching structure is a clamping plate (1012) with a hook (1013), the clamping plate (1012) is vertically arranged on the fixing plate (101), one end of the clamping plate (1012) far away from the fixing plate (101) is provided with the hook (1013), the axial direction of the clamping plate (1012) is consistent with the axial direction of the insulating base body (10), and the clamping plate (1012) and the conductive plate (2) are positioned on the same side of the fixing plate (101);

the second buckle structure is a clamping groove (501) with a clamping hole (502), the clamping groove (501) is formed in one end of the protective cover (5), the clamping hole (502) is formed in the surface of the clamping groove (501), the clamping plate (1012) is contained in the clamping groove (501), and the clamping hook (1013) is buckled on the clamping hole (502).

3. A through-wall connector according to claim 1, wherein the wire holder (1) further comprises a clamping piece (4), the clamping piece (4) is detachably connected with the insulating holder body (10), and the clamping piece (4) can limit the clamping piece from falling off the insulating holder body (10);

the insulating base (10) is sleeved with a fixing plate (101), the fixing plate is provided with a fixing hole (1011), and the wall-penetrating connector can be fixed on equipment through the fixing hole (1011).

4. A through-wall connector according to claim 1, wherein the insulating housing (10) is provided with at least one annular groove (127), the annular groove (127) and the conductive plate (2) are located on the same side of the fixed plate (101), and a first sealing ring is nested in the annular groove (127), and the first sealing ring can seal the protective cover (5) on the insulating housing (10);

one end, far away from the conducting plate (2), of the fixing plate (101) is provided with at least one annular sealing groove (1014), the annular sealing groove (1014) and the jack (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, and the second sealing ring seals the insulating base body (10) on the insulating base body (10).

5. A wall-through connector according to claim 3, wherein one end of the insulating base (10) is provided with a plurality of insertion holes (11) along the axial direction, the insertion holes (11) correspond to the wiring grooves (12) one by one, and the insertion holes (11) are communicated with the wiring grooves (12) and are respectively positioned at two sides of the fixing plate (101);

the conducting plate (2) is accommodated in the wiring groove (12), a wiring hole (211) is formed in the conducting plate (2), the first cable penetrates through the jack (11) and extends into the lower portion of the conducting plate (2), the second cable is accommodated in the wiring groove (12), the wiring end of the first cable and the wiring end of the second cable correspond to the wiring hole (211), and the locking piece penetrates through the wiring hole (211) to electrically connect the first cable and the second cable to the conducting plate (2);

the clamping piece (4) can abut against the conductive plate (2) in the wiring groove.

6. A through-wall connector according to claim 5, characterized in that the wiring slot (12) is provided with a wiring chute (121) and a first wire slot (122), the wiring chute (121) is oppositely arranged on the side wall of the wiring slot (12), the conductive plate (2) is accommodated in the wiring chute (121), the first wire slot (122) is opened at the bottom of the wiring slot (12), the first wire slot (122) corresponds to the wiring hole (211), the wiring slot (12) is communicated with the insertion hole (11) through the first wire slot (122), a first cable terminal is accommodated in the first wire slot (122) through the insertion hole (11), and a first cable is positioned below the conductive plate (2);

insulating pedestal (10) are equipped with a plurality of mounting holes (123) and shelter from groove (124), mounting hole (123) are located one side of wiring groove (12) is kept away from in insulating pedestal (10), mounting hole (123) are linked together with wiring groove (12), mounting hole (123) are corresponding with wiring hole (211), and the retaining member passes through mounting hole (123) fixed conductive plate (2) in wiring groove (12), it is located to shelter from groove (124) the one end of jack (11) is kept away from in insulating pedestal (10), shelter from groove (124) with wiring groove (12) are corresponding, it is close to mounting hole (123) and is linked together with mounting hole (123) to shelter from groove (124).

7. A through-wall connector as claimed in claim 6, wherein the first cable terminal is a first lug and the second cable terminal is a second lug, the first lug, the wiring aperture (211) and the second lug each corresponding;

the locking piece comprises a bolt and a nut, the bolt comprises a bolt tail end, the bolt tail end is non-circular, an accommodating hole (1231) matched with the bolt tail end is formed in the bottom of the first wire groove (122), the accommodating hole corresponds to the mounting hole (123), the first wire groove (122) is communicated with the shielding groove (124) through the accommodating hole (1231), the bolt penetrates through the accommodating hole (1231) from the mounting hole (123) and sequentially penetrates through the accommodating hole (1231), the first wiring nose, the wiring hole (211) and the second wiring nose, the bolt tail end is accommodated in the accommodating hole (1231), the nut is fixed on the bolt, and the first cable and the second cable are both fixedly and electrically connected with the conductive plate (2);

the long side of conductive plate (2) is provided with protruding edge (213) relatively, protruding edge (213) and wiring spout (121) interference fit, conductive plate (2) are fixed in wiring spout (121).

8. A through-wall connector according to claim 7, wherein the wire holder further comprises a clamping piece (4), the clamping piece (4) comprises a tongue plate (41), a shielding plate (42) and a connecting block (43), the tongue plate (41) and the shielding plate (42) are respectively vertically connected to the end of the connecting block (43), the tongue plate (41) and the shielding plate (42) are located on the same side of the connecting block (43), the tongue plate (41) is accommodated in the wiring chute (121) and is abutted against the conductive plate (2), the shielding plate (42) is accommodated in the shielding groove (124), a shielding elastic piece (421) is arranged on one side of the shielding plate (42) far away from the connecting block (43), a shielding protrusion (4211) is arranged on the shielding elastic piece (421), the shielding protrusion (4211) is buckled in the mounting hole (123), one end of the shielding plate (42) far away from the connecting block (43) corresponds to the wiring hole (211), the shielding plate (42) can be buckled in the insulating base body (10) and stops the bolt in the mounting hole (123).

9. A through-wall connector according to claim 1, wherein the protective cover (5) comprises a protective housing (50) and a wire locking sleeve;

the protective shell (50) is provided with an accommodating cavity (51) with two open ends, 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 stopping elastic sheet (521), the stopping elastic sheet (521) is positioned on one side of the external thread (522) far away from the port of the connecting end (52), one end of the stopping elastic sheet (521) is fixedly connected with the connecting end (52), the other end of the stopping elastic sheet (521) is a free end, the axial direction of the stopping elastic sheet (521) is vertical to the axial direction of the connecting end (52), the stopping elastic sheet (521) inclines towards the direction far away from the connecting end (52), and one side of the stopping elastic sheet (521) far away from the port of the connecting end (52) is provided with a pressing bulge (5211);

the lock line cover is both ends open-ended cavity tubular structure, lock line cover inner wall annular be provided with a plurality of inclined gear grooves (61) and with external screw thread assorted internal thread (62), inclined gear groove (61) are close to the one end of lock line cover, the internal thread is close to inclined gear groove (61), the incline direction of inclined gear groove (61) is unanimous with the incline direction of backstop shell fragment (521), internal thread (62) threaded connection is on external screw thread (522), backstop shell fragment (521) hold in inclined gear groove (61), and backstop shell fragment (521) that holds in inclined gear groove (61) can stop the lock line cover and loosen on the connecting end, press protruding (5211) and can make the lock line cover loosen on the connecting end.

10. A through-wall connector as claimed in claim 9, wherein the lockwire sleeve comprises a lockwire nut (6), a lockwire bushing (7) and a lockwire pawl (8);

the wire locking nut (6), the wire sealing bush (7) and the wire sealing claw (8) are all of hollow cylindrical structures, the wire sealing bush (7) and the wire sealing claw (8) are all accommodated in a hollow cavity (63), the wire sealing claw (8) penetrates through the wire sealing bush (7), the wire locking nut (6) is provided with the hollow cavity (63), and the wire locking nut (6) is provided with an inclined gear groove (61) and an internal thread (62) matched with an external thread;

an annular blocking piece (524) is arranged on the inner wall of the connecting end (52), one end of the wire sealing bush (7) is abutted to the annular blocking piece (524), a waterproof film (71) is arranged on an opening of one end, far away from the protective shell (50), of the wire sealing bush (7), and the second cable can penetrate through the waterproof film (71) and is surrounded by the rolled waterproof film (71);

the wire sealing clamping jaw (8) is accommodated in the hollow cavity (63), a plurality of sealing strips (81) are annularly arranged at one end, away from the protective shell (50), of the wire sealing clamping jaw (8), the axial direction of the sealing strips (81) is consistent with the axial direction of the wire sealing clamping jaw (8), one end, away from the protective shell (50), of the hollow cavity (63) is a conical hollow cavity, and the inner diameter of the conical hollow cavity is gradually reduced along the direction away from the protective shell (50); the wire locking sleeve is screwed on the connecting end (52), the sealing strip (81) is pressed by the conical cavity to be inclined inwards, and the sealing strip (81) inclined inwards can surround the second cable to seal the second cable.