阅读说明：本技术 一种轨道车辆用一体式连接器 (Integral type connector for rail vehicle ) 是由 邹太和 杨哲 曾志坚 于 2019-11-12 设计创作，主要内容包括：本发明提供了一种轨道车辆用一体式连接器,涉及连接器领域。轨道车辆用一体式连接器包括底座、接线柱和外壳,底座上设有用于与车厢固定装配的连接结构,底座朝向车厢一侧设有密封垫圈；接线柱固定在底座上且悬伸至底座的两侧,接线柱的一端为车内接线端,接线柱的另一端为车外接线端；外壳与底座之间密封连接,外壳和底座之间预留有引线口,引线口处设有用于与车外线缆密封配合的线缆密封结构。车内线缆、车外线缆分别对应连接在接线柱的车内接线端、车外接线端,线缆连接到位后安装外壳以起到防护作用,防止出现后续误拆的情况,通过线缆密封结构将车外线缆与引线口密封连接,保证了连接器内部的密封性,整个连接器的工作可靠性更高。(The invention provides an integrated connector for a railway vehicle, and relates to the field of connectors. The integrated connector for the rail vehicle comprises a base, a wiring terminal and a shell, wherein a connecting structure for being fixedly assembled with a carriage is arranged on the base, and a sealing washer is arranged on one side, facing the carriage, of the base; the wiring terminal is fixed on the base and extends to two sides of the base in a suspending manner, one end of the wiring terminal is an in-vehicle wiring terminal, and the other end of the wiring terminal is an out-vehicle wiring terminal; the shell is connected with the base in a sealing mode, a lead port is reserved between the shell and the base, and a cable sealing structure which is used for being in sealing fit with a cable outside the automobile is arranged at the lead port. Cable, the car outer cable correspond respectively and connect wiring end in the car of terminal, the car wiring end outside the car in the car, and the cable is connected and is installed the shell in order to play the guard action after targetting in place, prevents the condition that follow-up mistake was torn open, will go out outer cable and lead wire mouth sealing connection through cable seal structure, has guaranteed the inside leakproofness of connector, and the operational reliability of whole connector is higher.)

1. An integrated connector for a rail vehicle is characterized by comprising a base, a wiring terminal and a shell, wherein a connecting structure for being fixedly assembled with a carriage is arranged on the base, and a sealing washer is arranged on one side, facing the carriage, of the base;

the wiring terminal is fixed on the base and extends to two sides of the base in a hanging mode, one end of the wiring terminal is an in-vehicle wiring terminal, and the other end of the wiring terminal is an out-vehicle wiring terminal;

the cable sealing structure is characterized in that the shell is connected with the base in a sealing mode, a lead port is reserved between the shell and the base, and a cable sealing structure which is used for being in sealing fit with a cable outside the vehicle is arranged at the lead port.

2. The integrated connector for the rail vehicle as claimed in claim 1, wherein the base comprises a base body and an insulating seat, the base body is provided with an assembly cavity, the insulating seat is fixedly installed in the assembly cavity, and the insulating seat is provided with a through hole for positioning and installing the wiring post.

3. The rail car integral connector according to claim 2, wherein the base body includes a side wall and an outwardly turned rim, the side wall surrounds and defines the fitting cavity, and the connecting structure is a first bolt hole formed in the outwardly turned rim.

4. The integrated rail vehicle connector according to claim 3, wherein a reinforcing rib is connected between the wall of the first bolt hole and the side wall.

5. The integrated connector for the rail vehicle as claimed in claim 2, 3 or 4, wherein the base body is provided with a tail end pipe, the shell is correspondingly provided with a tail end matching pipe, and the tail end pipe and the tail matching pipe enclose the lead port; the cable sealing structure is a wire protecting pipe which is pressed and sealed between the wire leading port and the cable outside the vehicle.

6. The integrated connector for the railway vehicle as claimed in claim 5, wherein the wire protecting pipe comprises a positioning section and a corrugated section, the positioning section is in positioning sealing fit with the wire leading port, and a lock hoop for hooping an external cable is arranged at the tail end of the corrugated section.

7. The integrated connector for the rail vehicle as claimed in claim 2, 3 or 4, wherein the base body is provided with a first wire pressing plate near the lead port, the shell is correspondingly provided with a second wire pressing plate, the first wire pressing plate and the second wire pressing plate are correspondingly provided with wire pressing grooves, and the wire pressing grooves are provided with sealing groove walls for being in circumferential press fit with cables outside the vehicle.

8. The integrated connector for the rail vehicle as claimed in claim 1, wherein the terminal post is provided with a first axial blocking edge and a second axial blocking edge, the first axial blocking edge and the second axial blocking edge are respectively matched with the axial blocking of the two sides of the insulating base, and the second axial blocking edge is detachably connected with the terminal post.

9. The integrated connector for rail vehicles as claimed in claim 8, wherein the second axial stop comprises a retainer ring and a circumferential retainer ring, the retainer ring is axially movably engaged with the terminal, and the circumferential retainer ring is circumferentially lockingly engaged with the terminal.

10. The integrated connector for railway vehicles as claimed in claim 9, wherein the post has a ring groove, and the circumferential collar is in positioning fit with the ring groove.

Technical Field

The invention relates to the technical field of connectors, in particular to an integrated connector for a railway vehicle.

Background

The connector is a common coupling device for power, signal and data transmission, and generally includes a cable, a plug and a socket, wherein conductors are arranged in the plug and the socket, and the conductors contact to form a conduction circuit after the plug is matched with the socket.

The invention discloses a metal high-current connector and particularly discloses the metal high-current connector, wherein the application publication number is CN107332023A, and the application publication number is 2017.11.07, the metal high-current connector comprises a socket component, a plug component and a locking device, a PIN needle is inserted into a through hole of a socket main body of the socket component, a high-voltage interlocking female terminal is clamped into an embedded groove in the socket main body, a high-voltage interlocking male terminal is clamped into an embedded groove in the plug component, and a threaded column at the tail end of a crown spring contact component penetrates through a through hole in a wire nose and then is screwed and connected with a loosening nut. When the plug assembly is inserted into the socket assembly, the plug assembly is locked by the locking device, the plug assembly is prevented from being separated from the socket assembly, and when the plug assembly is inserted into the socket assembly, the PIN of the socket assembly can be clamped in the crown spring contact assembly of the plug assembly, so that connection of the plug assembly and the socket assembly is achieved.

However, in the track design of the rail train, there are cases where a part of the track needs to be drawn out of the car, and it is no longer necessary to break the circuit during the later use of the train. If the connector in the prior art is used, the connector is easy to be mistakenly disassembled due to the detachable design between the plug and the socket, and the sealing performance and the working reliability inside the connector are affected.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide an integrated connector for a railway vehicle, which solves the problems of the prior art that the connector is easily detached by mistake, the sealing performance inside the connector is affected, and the operational reliability is low.

The technical scheme of the integrated connector for the rail vehicle is as follows:

the integrated connector for the rail vehicle comprises a base, a wiring terminal and a shell, wherein a connecting structure for being fixedly assembled with a carriage is arranged on the base, and a sealing washer is arranged on one side, facing the carriage, of the base;

the wiring terminal is fixed on the base and extends to two sides of the base in a hanging mode, one end of the wiring terminal is an in-vehicle wiring terminal, and the other end of the wiring terminal is an out-vehicle wiring terminal;

the cable sealing structure is characterized in that the shell is connected with the base in a sealing mode, a lead port is reserved between the shell and the base, and a cable sealing structure which is used for being in sealing fit with a cable outside the vehicle is arranged at the lead port.

Has the advantages that: the base is provided with a connecting structure and a sealing washer, the sealing washer and the base are fixed on the carriage through the connecting structure, the in-vehicle cable and the out-vehicle cable are respectively and correspondingly connected with the in-vehicle wiring end and the out-vehicle wiring end of the wiring terminal, the shell is disassembled so as to be convenient for the out-vehicle cable to be in conductive connection with the out-vehicle wiring end of the wiring terminal, the shell and the base are in sealed connection, and the sealing performance of the connector is guaranteed; the cable is connected and is put in place the back installation shell in order to play the guard action, prevents the condition that follow-up mistake was torn open, and the connector is drawn forth by the lead wire mouth to the outer cable of car, will go out cable and lead wire mouth sealing connection through cable seal structure, has guaranteed the inside leakproofness of connector, and the operational reliability of whole connector is higher.

Further, the base comprises a base body and an insulating seat, an assembly cavity is formed in the base body, the insulating seat is fixedly installed in the assembly cavity, and a through hole for positioning and installing the wiring column is formed in the insulating seat.

Further, the base body comprises a side wall and an outward turning edge, the side wall surrounds to form the assembling cavity, and the connecting structure is a first bolt hole formed in the outward turning edge.

Furthermore, a reinforcing rib is connected between the hole wall of the first bolt hole and the side wall.

Furthermore, a tail end pipe is arranged on the base body, a tail end matching pipe is correspondingly arranged on the shell, and the tail end pipe and the tail end matching pipe enclose the lead port; the cable sealing structure is a wire protecting pipe which is pressed and sealed between the wire leading port and the cable outside the vehicle.

Further, the wire protecting pipe comprises a positioning section and a corrugated section, the positioning section is in positioning sealing fit with the wire leading port, and the tail end of the corrugated section is provided with a lock hoop for hooping a cable outside the vehicle.

Further, the base body is close to lead wire department and is equipped with first pressure line board, it is equipped with the second pressure line board to correspond on the shell, correspond on first pressure line board and the second pressure line board and be equipped with the pressure line groove, the pressure line groove have be used for with the outer cable circumference compressed tightly complex sealed cell wall of car.

Furthermore, a first axial blocking edge and a second axial blocking edge are arranged on the binding post, the first axial blocking edge and the second axial blocking edge are respectively matched with the two sides of the insulating seat in an axial blocking manner, and the second axial blocking edge is detachably connected with the binding post in an assembling manner.

Furthermore, the second axial blocking edge comprises a check ring and a circumferential collar, the check ring is in axial movable fit with the wiring terminal, and the circumferential collar is in circumferential locking fit with the wiring terminal.

Furthermore, the wiring terminal is provided with an annular clamping groove, and the circumferential clamping ring is matched with the annular clamping groove in a positioning mode.

Drawings

Fig. 1 is a perspective view of a connector according to an embodiment 1 of the integrated connector for a railway vehicle of the present invention;

FIG. 2 is a perspective view of the connector of FIG. 1 (with the housing removed);

FIG. 3 is a schematic top view of the connector of FIG. 2 (with the housing removed);

FIG. 4 is a schematic bottom view of the connector of FIG. 1 (with the sealing gasket removed);

FIG. 5 is a schematic cross-sectional view of a connector in embodiment 1 of the integrated connector for a railway vehicle of the present invention;

FIG. 6 is a sectional view showing the assembly of a connector with an outboard cable in embodiment 1 of the integrated connector for a railway vehicle according to the present invention;

fig. 7 is an enlarged view of a portion of the terminal and the cable in the vehicle of fig. 1.

In the figure: 1-a base body, 10-a side wall, 100-a shell sealing ring, 11-an outward turning edge, 110-a first bolt hole, 101-a supporting protrusion, 12-a sealing washer, 13-a lead port, 131-a tail end pipe, 14-a first line pressing plate, 15-a line protecting pipe, 150-a corrugated section, 151-a positioning section, 152-a sealing ring, 153-a locking hoop, 16-a second line pressing plate, 17-a cloth clamping rubber pipe, 2-an insulating seat, 3-a shell, 31-a handle, 4-a binding post, 41-a rotation stopping tangent plane, 42-a nut gasket, 43-a spring gasket, 44-a nut, 45-a retaining ring, 45-a circumferential retainer ring, 50-an in-vehicle cable, 51-an in-vehicle cable terminal, 60-an in-vehicle cable and 61-an in-vehicle cable terminal.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In embodiment 1 of the integrated connector for a railway vehicle of the present invention, as shown in fig. 1 to 7, the integrated connector for a railway vehicle includes a base, a terminal 4 and a housing 3, the base is provided with a connecting structure for fixedly assembling with a carriage, and one side of the base facing the carriage is provided with a sealing gasket 12; the wiring terminal 4 is fixed on the base and extends to two sides of the base in a hanging mode, one end of the wiring terminal 4 is an in-vehicle wiring terminal, and the other end of the wiring terminal 4 is an out-vehicle wiring terminal; sealing connection between shell 3 and the base, it has lead wire mouth 13 to reserve between shell and the base, and lead wire mouth 13 department is equipped with and is used for with the sealed complex cable seal structure of car outer cable.

In this embodiment in market, the base is split type structure, and the base includes base body 1 and insulator seat 2, is equipped with the assembly chamber on the base body 1, and insulator seat 2 fixed mounting is seted up the perforation that supplies terminal 4 location installation on the insulator seat 2 in the assembly chamber. In other embodiments, in order to simplify the assembly operation, the base may be an integral structure including a base body and an insulating base, which are integrally formed, and the base body and the insulating base are both made of insulating materials, so that the assembly operation between the base body and the insulating base is omitted.

The base body 1 comprises a side wall 10 and an upturned edge 11, the side wall 10 surrounds to form an assembly cavity, and the connecting structure is a first bolt hole 110 arranged on the upturned edge 11. The upper edge of lateral wall 10 is equipped with the wire casing, corresponds in the wire casing and installs shell sealing washer 100, all is equipped with a plurality of engaging lugs in the periphery of lateral wall 10, through the bolt with the fastening connection between shell and the engaging lug to shell sealing washer 100 compresses tightly between lateral wall 10 and the shell 3 of base body 1, thereby makes sealing connection between shell 3 and the base. The carriage is provided with a wire outlet through hole and a threaded hole, the threaded hole is circumferentially distributed on the outer side of the wire outlet through hole and corresponds to the first bolt hole 110 of the base body 1, the first bolt penetrates through the first bolt hole 110 and is in threaded fit with the threaded hole in the carriage, the base body 1 is fixed on the carriage by screwing the first bolt, and the sealing washer 12 is pressed to seal between the base body 1 and the carriage.

In order to improve the structural strength of the base body 1, a reinforcing rib 111 is connected between the hole wall of the first bolt hole 110 and the side wall 10, the structural strength near the first bolt hole 110 is increased by the reinforcing rib 111, and the damage of the upturned edge 11 on the base body 1 caused by excessive screwing of the first bolt is avoided. The protruding supporting bulge 101 that is equipped with of internal face of lateral wall 10, fixed connection between supporting bulge 101 and the insulator seat 2, it is concrete, four have evenly been arranged on the internal face of lateral wall 10 to supporting bulge 101, be equipped with the bolt hole on four supporting bulge 101, it is corresponding, also be equipped with the bolt hole on the insulator seat 2, the bolt hole that runs through supporting bulge 101 and insulator seat 2 bolt hole fastening connection have the second bolt, threaded connection has fastening nut on the second bolt, will support bulge 101 and insulator seat 2 fixed connection through revolving fastening nut, thereby make insulator seat 2 fixed mounting in the assembly chamber of base body 1.

The binding post 4 is provided with a first axial blocking edge and a second axial blocking edge, the first axial blocking edge and the second axial blocking edge are respectively matched with the two sides of the insulating base 2 in an axial blocking manner, and the second axial blocking edge is detachably assembled and connected with the binding post 4. In this embodiment, the second axial stop edge includes a retaining ring 45 and a circumferential collar 46, the retaining ring 45 is axially movably matched with the terminal 4, the circumferential collar 46 is circumferentially locked and matched with the terminal 4, and the inner diameter of the retaining ring 45 is matched with the outer diameter of the terminal 4. Be equipped with ring groove (not shown in the figure) on terminal 4, circumference rand 46 and ring groove location fit, the elasticity rand of circumference rand 46 for having the bayonet socket, align the bayonet socket of circumference rand 46 during the use and block into ring groove, and lock the location under the elastic force of circumference rand 46 self in ring groove, in order to play the axial positioning effect to retaining ring 45, and then keep off along cooperating with first axial through retaining ring 45, with terminal 4 location mounting in the perforation of insulating seat 2.

Terminal 4 and insulator 2's perforation splines be assembled between/be connected between, it is concrete, terminal 4's shape is the cylinder, and terminal 4 is located the car in the part of one side be equipped with spline tangent plane 41, spline tangent plane 41 is the side tangent plane, it is corresponding, insulator 2's perforation includes circular arc section and straightway, cooperate with spline tangent plane 41 through fenestrate straightway, thereby realize terminal 4 and insulator 2's perforation between spline be assembled between/be connected between, avoid because of cable 60 and the outer cable 50 of car in terminal 4's end connects the car, make terminal 4 rotate and lead to the inconvenient problem of operation. The structure of the in-vehicle cable 60 is the same as that of the out-vehicle cable 50, and the in-vehicle cable 50 is taken as an example to be described in detail, in which the outer skin is peeled off from the end of the in-vehicle cable 60, and the in-vehicle cable terminal 61 is fixed to the end of the cable core.

The in-vehicle cable terminal 61 is correspondingly connected to the in-vehicle terminal of the binding post 4, the in-vehicle terminal is provided with an external thread section, the nut 44 is sleeved on the external thread section, a nut gasket 42 and a spring washer 43 are arranged between the nut 44 and the in-vehicle cable terminal 61 in a padding mode, the in-vehicle cable terminal 61 is elastically pressed on the in-vehicle terminal of the binding post 4 through the nut gasket 42 and the spring washer 43, and effective conductive connection between the in-vehicle cable 60 and the binding post 4 is guaranteed. The outer skin is peeled off at the end part of the outer cable 50, the outer cable terminal 51 is fixed at the end part of the cable core, the outer cable terminal 51 is in conductive connection with the in-vehicle wiring terminal of the wiring terminal, and the in-vehicle cable 50 is in conductive connection with the outer cable 50 through the wiring terminal 4.

Be equipped with tail end pipe 131 on base body 1, it is corresponding, also be equipped with tail end cooperation pipe on shell 3, tail end pipe 131 encloses into lead wire mouth 13 with tail end cooperation pipe, base body 1 is close to lead wire mouth 13 department and is equipped with first pressure line board 14, and the correspondence is equipped with second pressure line board 16 on shell 3, corresponds on first pressure line board 14 and the second pressure line board 16 and is equipped with the pressure line groove, the pressure line groove have be used for with the outer 50 circumference of car compress tightly complex sealed cell walls of cable. In this embodiment, terminal 4 is equipped with four altogether, and four terminal 4 circumference interval equipartitions are on insulation board 2, and four interior cables 60 of car and four outer cables 50 of car are connected with to electrically conduct on four terminal 4, and wherein two of the four outer cables 50 of car are vertical arranging side by side in the intermediate position, and two are bilateral symmetry distribution positions in addition.

The first wire pressing plate 14 and the second wire pressing plate 16 are respectively provided with three wire pressing grooves, the wire pressing groove in the middle is used for pressing two middle vehicle exterior cables 50, a rubber plug block is arranged between the two middle vehicle exterior cables 50 in a lining mode, the wire pressing groove in the left side is used for correspondingly pressing the left vehicle exterior cable 50, the wire pressing groove in the right side is used for correspondingly pressing the right vehicle exterior cable 50, a rubber protection pad is arranged between the wire pressing groove and the vehicle exterior cable 50 in a lining mode, a gap between the first wire pressing plate 14 and the vehicle exterior cable 50 is sealed through the rubber protection pad, and a gap between the second wire pressing plate 16 shell 3 and the vehicle exterior cable 50 is sealed. Still be equipped with two annular grooves in lead wire mouth 13, two annular grooves are along the length direction interval arrangement of outer cable 50 of car, and four outer cable 50's of car periphery covers is equipped with presss from both sides cloth rubber tube 17, is located to press from both sides cloth rubber tube 17 in lead wire mouth 13 and is equipped with conduit 15 outward, and conduit 15 constitutes and is used for the cable seal structure with outer cable 50 seal fit.

Wherein, the position section 151 that the protecting wire pipe 15 is including being located the front and being located the ripple section 150 at rear portion, is equipped with two annular archs on the position section 151, and two annular archs correspond with two annular grooves and arrange, realize the location between protecting wire pipe 15 and the lead port 13 through the unsmooth cooperation between annular arch and the annular groove and be connected. A sealing ring 152 is arranged between the positioning section 151 of the conduit 15 and the cloth-clamping rubber tube 17, four outer cables 50, the cloth-clamping rubber tube 17, the sealing ring 152, the conduit 15 and the tail end tube 131 are arranged from inside to outside in sequence, a locking hoop 153 is hooped at the tail end of the corrugated section 150, and circumferential restraint is formed between the conduit 15 and the cloth-clamping rubber tube 17 through the hooping action of the locking hoop 153.

During the use, first bolt passes first bolt hole 110 and fixes seal ring 12 and base on the carriage, and interior cable 60 of car, outer cable 50 of car correspond respectively and connect on the wiring end outside the car of terminal 4, the car, unpack shell 3 apart so that the outer wiring end of car wiring 50 and terminal 4 of car is connected conductively, sealing connection between shell 3 and the base has guaranteed the leakproofness of connector itself. The cable is connected and is put in place back installation shell 3 in order to play the guard action, prevents the condition that follow-up mistake was torn open, and the connector is drawn forth by lead wire mouth 13 to outer cable 50, through the wire protecting pipe 15 with outer cable 50 and lead wire mouth 13 sealing connection, has guaranteed the inside leakproofness of connector, and the operational reliability of whole connector is higher.

In order to adapt to different use requirements, the number of the binding posts is not limited to four in the specific embodiment 1, the number of the binding posts can be three, three through holes are circumferentially arranged on the insulating seat at intervals, the three binding posts are correspondingly arranged in the three through holes in a rotation stopping manner, and correspondingly, the in-car terminal and the out-car terminal of the three binding posts are respectively used for connecting three in-car cables and three out-car cables.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.