CN219226665U - Mounting structure of control panel connector of toilet of motor train unit - Google Patents

Abstract

The utility model discloses a mounting structure of a control board connector of a toilet of a motor train unit, which comprises a PCB board; a connector assembly formed with pins, an internal counter-plug and an external counter-plug; the connector assembly is welded on the PCB through the contact pin; the internal opposite plug connector is provided with a female connector clamping groove; the external opposite plug connector is provided with a male connector clamping hook; the inner opposite plug connector and the outer opposite plug connector are inserted and locked by the female head clamping groove and the male head clamping hook; the utility model has firm installation and solves the problem that the cable joint is easy to loosen; the external connection and the internal connection are connected in a butt joint mode by male and female insertion rows of the connector, and the plug is prevented from falling off by the buckle; the device reduces the failure rate of the control panel, improves the stability and reliability of products, shortens the operation period of vehicle operation and maintenance, and is more suitable for the requirement of maintenance operation.

Description

Mounting structure of control panel connector of toilet of motor train unit

Technical Field

The utility model relates to the technical field of motor train unit connectors, in particular to a mounting structure of a motor train unit toilet control panel connector.

Background

In a motor train unit train, the control board bears the signal transmission work of the auxiliary control system and is a neural center of the whole auxiliary control system, so that the control board needs to be ensured to stably transmit signals, efficiently process signal input and accurately output signals; the traditional control board adopts a wiring mode to match with a clamping groove type connector for signal transmission, the whole occupied space of the board is large, the integrated level is low, the board has high failure rate and damage rate, a great amount of labor cost is required, along with the vigorous development of the train technology of the motor train unit, the traditional wiring technology is replaced by a PCB technology, the clamping groove type connector is replaced by a welding type opposite-plug connector, the integrated level of the control board is greatly improved, the whole space occupation rate and failure rate are reduced, and the daily maintenance of vehicle maintenance personnel is facilitated; with the increasing technical level, the welded type opposite plug connector gradually occupies the industrial market, and contributes new strength to the development of motor train units and trains;

in the running period of the train of the motor train unit, various signals are often input to the control board through the connector and then are output to corresponding electric elements in parallel through the control board and the connector, so that the action of driving external executive elements or coordinating signal output is achieved; because the connection mode of the control board and the connector is a clamping groove type, vibration can be generated in the running process of the train, the connector is loosened due to vibration impact for a long time, and the contact pin type cable is in poor contact with the connector, so that line temperature rise and insulation damage are caused to cause line faults, in the later maintenance, the generation of various problems is extremely difficult to maintain, the technical requirements on operators are high, and the use cost and the maintenance cost are increased;

therefore, when the control panel and connector connection mode is the clamping groove type in the prior art, the problems of poor contact, overhigh maintenance cost and high failure rate are easily caused by unstable installation and easy loosening of cables, the structure is designed, the installation is firm, the problem of easy loosening of cable connectors is solved, meanwhile, the manual operation time is saved, and the device for later maintenance is easy.

Disclosure of Invention

The utility model aims to provide the mounting structure of the control panel connector of the motor train unit toilet, which has the advantages of optimized structure, firm connection mode, convenient operation and easy later maintenance.

In order to achieve the above object, the present utility model provides the following technical solutions:

a mounting structure of a motor train unit toilet control board connector, comprising:

a PCB board;

a connector assembly formed with pins, an internal counter-plug and an external counter-plug;

the connector assembly is welded on the PCB through the contact pin;

the internal opposite plug connector is provided with a female connector clamping groove;

the external opposite plug connector is provided with a male connector clamping hook;

the inner opposite plug connector and the outer opposite plug connector are inserted and locked through the female head clamping groove and the male head clamping hook.

Further, the female head clamping groove is formed with a bevel edge part, a buffer transverse edge, a first right-angle edge and a second right-angle edge;

the first right-angle side and the second right-angle side are connected to form a clamping groove;

the male head clamping hook is formed with a bevel edge second part, a transverse edge first part, a bevel edge third part and a transverse edge second part;

the second bevel edge part, the first transverse edge part and the third bevel edge part are sequentially connected to form a clamping hook matched with the clamping groove; wherein the method comprises the steps of

The female head clamping groove and the male head clamping hook are clamped and locked to form a first inclined edge part and a buffer transverse edge is respectively attached to the two transverse edge parts.

In the technical scheme, the mounting structure of the motor train unit toilet control board connector has the following beneficial effects:

1. according to the utility model, the connector pins are fixed on the PCB board through welding, so that the installation is firm, the problem that a cable joint is easy to loosen is solved, the connector pins are regularly distributed, and the phenomenon of cable connection errors is avoided;

2. the external opposite plug connector is connected in a crimping way, a cable is connected into a connector plug in a crimping way, the external and the internal connection are connected in a plug-in butt joint way through male and female insertion of the connector, and the plug is prevented from falling off by a buckle; compared with a needle pressing mode, the cable pressing mode has the advantages that from the technical point of view, the manual operation time is saved, the working procedure is simpler, the operation is convenient, the later maintenance is easy, the contact pin is not damaged, the connection mode is firmer, and loose contact failure is not caused;

3. the connector structure reduces the failure rate of the control panel, improves the stability and reliability of products, shortens the operation period of vehicle operation and maintenance, and is more suitable for the requirement of maintenance operation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic diagram of an installation structure of a control board connector for a toilet of a motor train unit according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a ten-hole connector in an installation structure of a control board connector for a toilet of a motor train unit according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a six-hole connector in an installation structure of a control board connector of a toilet of a motor train unit according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a double-hole connector in an installation structure of a control board connector of a toilet of a motor train unit according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of a male connector and a female connector before plugging in an installation structure of a control board connector of a toilet of a motor train unit according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a male connector and a female connector after opposite insertion in an installation structure of a control board connector for a toilet of a motor train unit according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a PCB board; 2. a connector assembly;

21. a contact pin; 22. an internal docking head; 23. an external docking head;

221. a female head clamping groove; 222. a hypotenuse portion; 223. buffering the transverse edges; 224. a first right-angle side; 225. a second right angle side;

231. a male hook; 232. a bevel edge two part; 233. one part of the transverse edge; 234. hypotenuse three parts; 235. two parts of the transverse edge.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

It should be noted that, the terms "upper", "external", "engaged", and the like used herein refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and similar expressions are merely for the purpose of illustration, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

See fig. 1-7;

the utility model relates to a mounting structure of a control panel connector of a motor train unit toilet, which comprises the following components:

a PCB 1;

a connector assembly 2, the connector assembly 2 being formed with pins 21, an inner counter-plug 22 and an outer counter-plug 23;

the connector assembly 2 is welded on the PCB 1 through the contact pin 21;

the female connector clamping groove 221 is formed in the internal opposite plug connector 22;

the external counter plug 23 is formed with a male hook 231;

the inner counter plug 22 and the outer counter plug 23 are inserted and locked by the female head clamping groove 221 and the male head clamping hook 231.

Specifically, according to the mounting structure of the control board connector of the toilet of the motor train unit, the contact pins 21 are fixed on the PCB 1 through welding, so that the mounting is firm, and the problem that a cable joint is easy to loosen is solved; the cable is connected to the connector plug, namely the external opposite plug connector 23 in a crimping mode, the external opposite plug connector 23 is connected with the internal opposite plug connector 22, and is connected with the female clamping groove 221 in a butt joint mode through the male clamping hook 231, and the connector plug is prevented from falling off by a clamping buckle;

preferably, the connector on the PCB 1 is bent at 90 degrees and is transversely plugged, the connector with the double-layer structure is not provided with bolt fixing lugs, but is provided with a clamping structure, and under the condition of plugging in place, if no external force is exerted, the phenomenon that the connector falls off due to loosening can be avoided.

The female head clamping groove 221 is formed with a bevel edge part 222, a buffer transverse edge 223, a first right-angle edge 224 and a second right-angle edge 225;

the first right-angle side 224 and the second right-angle side 225 are connected to form a clamping groove;

the male hook 231 is formed with a bevel edge two part 232, a transverse edge one part 233, a bevel edge three part 234 and a transverse edge two part 235;

the second bevel edge part 232, the first transverse edge part 233 and the third bevel edge part 234 are sequentially connected to form a clamping hook matched with the clamping groove; wherein the method comprises the steps of

The female head clamping groove 221 and the male head clamping hook 231 are clamped and locked to form a first inclined edge 222 and a buffer transverse edge 223 which are respectively attached to the two transverse edge parts 235.

Specifically, the external opposite plug 23 moves laterally to the internal opposite plug 22 and is connected in a plug-in manner, wherein the male hook 231 and the female slot 221 form a hook in the process of being clamped, and gradually move to the slot formed by the first right-angle side 224 and the second right-angle side 225, and meanwhile, the first hypotenuse portion 222 and the buffer lateral side 223 are respectively attached to the second lateral side 235, so as to realize installation and fixation.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (2)

1. The utility model provides a mounting structure of EMUs bathroom control panel connector which characterized in that includes:

a PCB board (1);

a connector assembly (2), the connector assembly (2) being formed with pins (21), an inner counter-plug (22) and an outer counter-plug (23);

the connector assembly (2) is welded on the PCB (1) through the contact pin (21);

the internal opposite plug connector (22) is provided with a female connector clamping groove (221);

the external opposite plug connector (23) is provided with a male connector clamping hook (231);

the inner opposite plug connector (22) and the outer opposite plug connector (23) are inserted and locked by the female connector clamping groove (221) and the male connector clamping hook (231).

2. The mounting structure of a motor train unit toilet control board connector as claimed in claim 1, wherein:

the female head clamping groove (221) is provided with a bevel edge part (222), a buffer transverse edge (223), a first right-angle edge (224) and a second right-angle edge (225);

the first right-angle side (224) and the second right-angle side (225) are connected to form a clamping groove;

the male hook (231) is formed with a bevel edge two part (232), a transverse edge one part (233), a bevel edge three part (234) and a transverse edge two part (235);

the second bevel edge part (232), the first transverse edge part (233) and the third bevel edge part (234) are sequentially connected to form a clamping hook matched with the clamping groove; wherein the method comprises the steps of

The female head clamping groove (221) and the male head clamping hook (231) are clamped and locked to form a first inclined edge part (222) and a buffer transverse edge (223) which are respectively attached to the two transverse edge parts (235).

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