CN212338503U

CN212338503U - Water supply connector for train

Info

Publication number: CN212338503U
Application number: CN202022168968.9U
Authority: CN
Inventors: 马彪; 王勇; 唐述春; 李文杰; 谭政民; 李扬帆
Original assignee: Sichuan Zhongli Hongjing Technology Co ltd; Beijing South Station of China Railway Beijing Group Co Ltd
Current assignee: Sichuan Zhongli Hongjing Technology Co ltd; Beijing South Station of China Railway Beijing Group Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-01-12
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a water supply connector for a train, which comprises a main water pipe and two hollow ends which are opened; the rear joint pipe is connected to the tail part of the main water pipe; the front water-supply head is connected to the front end of the main water pipe, and a connecting piece which is convenient to connect with a water filling port of a train is connected in front of the front water-supply head; the sealing block is arranged on the main water pipe and is positioned on the inner side of the front upper water head; the spring is arranged in the main water pipe, the valve core is arranged in the front upper water head and extends into the connecting piece, the valve core and the sealing block move synchronously, and a plurality of radial through holes are formed at the end, close to the sealing block, of the valve core; the utility model relates to a rationally, simple structure, convenient to use installs between water source water pipe and train water filling port, can play the effect that connects and valve, and reasonable design seals the piece, can separate main water pipe for two independent spaces to through the reasonable cooperation case, can communicate or close two independent spaces through the removal of this case, thereby can do the effect of valve when realizing the water supply.

Description

Water supply connector for train

Technical Field

The utility model relates to a train subassembly of adding water specifically says to a water swivel on train.

Background

The train is an important vehicle for people to go out or goods to transport, and water needs to be supplemented after the train arrives at a station so as to be convenient for the use of water in a normal form; and traditional filling is connected water source water pipe and train water filling port through external joint, and the rethread sets up opening of the valve control water injection that connects and stops, and such joint design is complicated, needs external tight hoop device cooperation to use during the butt joint to dismantle also not laying the face after the filling is accomplished, take a lot of work and waste time.

SUMMERY OF THE UTILITY MODEL

Therefore, for overcoming the above-mentioned not enough, the utility model provides a reasonable in design herein, simple structure, convenient to use for the joint between water source water pipe and the train water filling port when the train is watered, this joint can play the effect of joint and valve, the sealed piece of reasonable design, this sealed piece can be separated the main water pipe for two independent spaces, and through the reasonable cooperation case, can communicate or close two independent spaces through the removal of this case, thereby can do the effect of valve when realizing watering.

The utility model discloses a realize like this, construct a water swivel on train, include

The main water pipe is hollow and has two open ends;

the rear joint pipe is connected to the tail part of the main water pipe and is connected with an external water pipe;

the front water-supply head is connected to the front end of the main water pipe, and a connecting piece which is convenient to connect with a water filling port of a train is connected in front of the front water-supply head;

the sealing block is arranged on the main water pipe and is positioned on the inner side of the front upper water head;

the spring is arranged in the main water pipe and provides thrust for attaching the sealing block to the inner side wall of the front upper water head; and

the valve core is arranged in the front upper water head and extends into the connecting piece, the valve core and the sealing block move synchronously, an axial liquid channel is arranged in the middle of the valve core, and a plurality of radial through holes are formed in the end, close to the sealing block, of the valve core.

Preferably, the end of the valve core, which is far away from the sealing block, is a collision-resistant water inlet top.

Preferably, the connecting piece is made by rubber to set up the flaring shape recess of being convenient for connecting piece inner wall middle part and the laminating of case outer wall in inside, this setting is that the ability of recovering deformation through the flaring recess lets case and connecting piece laminating better, guarantees that the case can not squint and drop when axial motion, and the case is also fine at the in-process two of removing then laminating effects, also can realize the effect of direction.

Preferably, the connecting piece is connected with the front water head in an interference fit mode, wherein the part of the front water head, which is inserted into the connecting piece, is provided with an annular groove, and the joint of the connecting piece and the front water head is provided with an annular tenon matched with the annular groove.

Preferably, the opening end position that the connecting piece is gone out is tubaeform, and the purpose that should set up lies in the better cover of connecting piece in the train water filling port, makes its installation better, fixes a position more easily and docks with the water inlet top.

Preferably, the rear joint pipe and the main water pipe are connected by threads and are fastened by a compression nut; the sealing block and the front upper water head are in threaded connection or welded or integrally formed.

When the water supply connector of the train is used, the operation steps are as follows:

assembling all parts according to an assembly relationship, and connecting an external water pipe with a rear joint pipe;

holding the connecting piece by a worker, sleeving the connecting piece on a water filling port of the train, and completing butt joint of joints;

after the butt joint is completed, a worker applies thrust to the train water filling port through the connecting piece, at the moment, the valve core moves inwards under the extrusion of the train water filling port to push the sealing block to move inwards, the sealing block loses the sealing function after moving, water of the main water pipe enters the liquid channel through the through hole and enters the train water filling port, and therefore water filling of a train is achieved;

and fourthly, after the water is added into the train, the staff loosens the connecting piece, the valve core loses the inward thrust, and the sealing block moves outwards and resets under the pushing of the spring and the water pressure, so that the communication between the through hole and the main water pipe is disconnected, and the water adding is stopped.

The utility model discloses following beneficial effect has:

the utility model has reasonable design, simple structure and convenient use, is a joint between a water source water pipe and a train water filling port when the train is filled with water, can play the role of the joint and a valve, reasonably designs a sealing block which can divide a main water pipe into two independent spaces, and can communicate or close the two independent spaces through the movement of the valve core by reasonably matching the valve core, thereby realizing the function of the valve when filling with water;

the end part of the sealing block is provided with a spring positioned in the main water pipe, the spring can provide thrust for the sealing block, the normal state of the sealing block is closed, only when the valve core is extruded, the valve core pushes the sealing block to move, a channel in the main water pipe is communicated with a pipeline in the valve core through a through hole, and therefore water filling is achieved.

Reasonable design connecting piece, this connecting piece are for being made by rubber to set up the flaring shape recess of being convenient for connecting piece inner wall middle part and the laminating of case outer wall in inside, this setting is that the ability of recovering deformation through the flaring recess lets case and connecting piece laminating better, guarantees that the case can not squint and drop when axial motion, and the case is also fine at the in-process two of removal laminating effects, also can realize the effect of direction.

Meanwhile, the connecting piece and the front water head are connected in an interference fit mode, the part of the front water head, which is inserted into the connecting piece, is provided with an annular groove, and the joint of the connecting piece and the front water head is provided with an annular tenon matched with the annular groove.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1 (an assembly view of the present invention);

fig. 3 is a left side view of the present invention;

FIG. 4 is a right side view of the present invention;

FIG. 5 is a schematic view of a front upper water head half-section of the present invention;

FIG. 6 is a schematic half-sectional view of the connector of the present invention;

in the figure: 1. a rear connector tube; 2. the water inlet pipe is pressed by a nut; 3. a main water pipe; 4. a spring; 5. a sealing block; 6. a front upper waterhead; 7. a valve core; 7.1, through holes; 7.2, a water inlet top; 8. a connecting member; 8.1, flaring groove.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the present invention provides a water connector for train, which comprises

A main water pipe 3 with hollow two ends open;

the rear joint pipe 1 is connected to the tail part of the main water pipe 3 and is connected with an external water pipe;

the front upper water head 6 is connected to the front end of the main water pipe 3, and a connecting piece 8 which is convenient to be connected with a water filling port of a train is connected in front of the front upper water head;

the sealing block 5 is arranged on the main water pipe 3 and is positioned inside the front upper water head 6;

the spring 4 is arranged in the main water pipe 3 and provides thrust for attaching the sealing block to the inner side wall of the front upper water head 6; and

the valve core 7 is arranged in the front upper water head 6 and extends into the connecting piece 8, the valve core and the sealing block 5 move synchronously, an axial liquid channel is arranged in the middle of the valve core, and a plurality of radial through holes 7.1 are arranged at the end, close to the sealing block, of the valve core.

In this embodiment, the end of the valve core 7 away from the sealing block is an anti-collision water inlet top 7.2.

In this embodiment, the connecting member 8 is made of rubber, and is provided with a flared groove 8.1 inside for facilitating the attachment of the middle part of the inner wall of the connecting member to the outer wall of the valve core.

In this embodiment, the connecting member 8 is connected with the front head 6 in an interference fit manner, wherein an annular groove is formed in a part of the front head 6 inserted into the connecting member, and an annular tenon matched with the annular groove is arranged at a joint of the connecting member and the front head.

In the present embodiment, the open end of the connecting element 8, which is out, is flared.

In the embodiment, the rear joint pipe 1 and the main water pipe 3 are connected by screw threads and are fastened by a compression nut 2; the sealing block 5 and the front upper water head 6 are in threaded connection or welded or integrally formed.

The utility model discloses specifically use as follows:

the utility model is used for the joint between the water source water pipe and the water filling port of the train when the train is filled with water, the joint can play the role of the joint and the valve, when in use, each part is firstly assembled according to the assembly relation, and the external water pipe is connected with the rear joint pipe 1; the worker holds the connecting piece 8 by hand again, and sleeves the connecting piece on the water filling port of the train to complete the butt joint of the joints; after the butt joint is completed, a worker applies thrust to the train water filling port through the connecting piece, at the moment, the valve core moves inwards under the extrusion of the train water filling port to push the sealing block to move inwards, the sealing block loses the sealing function after moving, water of the main water pipe enters the liquid channel through the through hole 7.1 and enters the train water filling port, and therefore water is added to a train; when the water is added into the train, the worker loosens the connecting piece, the valve core loses inward thrust, the sealing block moves outwards and resets under the pushing of the spring and the water pressure, and therefore the communication between the through hole and the main water pipe is disconnected, and the filling is stopped.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a water swivel on train which characterized in that: comprises that

The main water pipe (3) is hollow and has two open ends;

the rear joint pipe (1) is connected to the tail part of the main water pipe (3) and is connected with an external water pipe;

the front water-supply head (6) is connected to the front end of the main water pipe (3), and a connecting piece (8) which is convenient to connect with a water filling port of a train is connected in front of the front water-supply head;

the sealing block (5) is arranged on the main water pipe (3) and is positioned on the inner side of the front upper water head (6);

the spring (4) is arranged in the main water pipe (3) and provides thrust for attaching the sealing block to the inner side wall of the front upper water head (6); and

the valve core (7) is arranged in the front upper water head (6) and extends into the connecting piece (8), the valve core and the sealing block (5) move synchronously, an axial liquid channel is arranged in the middle of the valve core, and a plurality of radial through holes (7.1) are arranged at the end, close to the sealing block, of the valve core.

2. The water connection on a train of claim 1, wherein: the end of the valve core (7) far away from the sealing block is provided with a collision-resistant water inlet top (7.2).

3. The water connection on a train of claim 1, wherein: the connecting piece (8) is made of rubber, and a flared groove (8.1) convenient for the middle part of the inner wall of the connecting piece to be attached to the outer wall of the valve core is formed in the connecting piece.

4. The water connection on a train of claim 3, wherein: the connecting piece (8) is connected with the front water supply head (6) in an interference fit mode, wherein an annular groove is formed in the part, inserted into the connecting piece, of the front water supply head (6), and an annular tenon matched with the annular groove is arranged at the joint of the connecting piece and the front water supply head.

5. The water connection on a train of claim 4, wherein: the outlet opening end position of the connecting piece (8) is in a horn shape.

6. The water connection on a train of claim 1, wherein: the rear joint pipe (1) and the main water pipe (3) are connected by threads and are fastened by a compression nut (2); the sealing block (5) and the front upper water head (6) are connected by threads or welded or integrally formed.