CN213870060U

CN213870060U - Injection rail for gas-fired automobile

Info

Publication number: CN213870060U
Application number: CN202022559207.6U
Authority: CN
Inventors: 吴红涛
Original assignee: Sichuan Saiweilaite Gas Equipment Co ltd
Current assignee: Sichuan Saiweilaite Gas Equipment Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-03
Anticipated expiration: 2030-11-06

Abstract

The utility model belongs to the technical field of spout the rail, a gas car is with spouting rail is disclosed, include: the valve comprises a hollow valve body, a valve port arranged in the hollow part of the valve body and an electromagnetic valve for opening and closing the valve port; the valve body is respectively provided with an air inlet hole and an air outlet hole, and the air inlet hole and the air outlet hole are communicated with the hollow part of the valve body; one end of the valve port is in threaded connection with the air outlet; the electromagnetic valve comprises a plug, a coil and an iron shell which are sequentially arranged from inside to outside; the iron shell is detachably connected with the valve body; the plug is fixedly connected with the iron shell, and a valve core is arranged between the plug and the valve port; a rubber pad is arranged between the valve core and the valve port, the valve core extends to the hollow part of the valve body, one end of the valve core, facing the valve port, is provided with an outwardly extending flange, and a compression spring is sleeved outside the valve core; and two ends of the compression spring respectively abut against the iron shell and the flange.

Description

Injection rail for gas-fired automobile

Technical Field

The utility model belongs to the technical field of spout the rail, concretely relates to gas car is with spouting rail.

Background

Gas injection rails are essential devices on CNG-gasoline dual fuel vehicles, and in the prior art, gas injection rails, for example: the name of the Chinese utility model patent is a high-speed injection electromagnetic valve for a novel gas automobile and an injection rail for installation thereof, the valve port of the Chinese utility model patent is external and easy to wear, and the number of the authorized bulletin is CN202926503U and the number of the authorized bulletin is 2013.05.08.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a gas automobile is with spouting rail.

The utility model discloses the technical scheme who adopts does:

an injection rail for a gas automobile, comprising: the valve comprises a hollow valve body, a valve port arranged in the hollow part of the valve body and an electromagnetic valve for opening and closing the valve port; the valve body is respectively provided with an air inlet hole and an air outlet hole, and the air inlet hole and the air outlet hole are communicated with the hollow part of the valve body; one end of the valve port is in threaded connection with the air outlet;

the electromagnetic valve comprises a plug, a coil and an iron shell which are sequentially arranged from inside to outside; the iron shell is detachably connected with the valve body; the plug is fixedly connected with the iron shell, and a valve core is arranged between the plug and the valve port; a rubber pad is arranged between the valve core and the valve port, the valve core extends to the hollow part of the valve body, one end of the valve core, facing the valve port, is provided with an outwardly extending flange, and a compression spring is sleeved outside the valve core; and two ends of the compression spring respectively abut against the iron shell and the flange.

As a further alternative of the injection rail for the gas automobile, one end of the valve core, which faces the valve port, is provided with a step hole with a large upper part and a small lower part; the rubber pad is in a step shape matched with the step hole.

As a further alternative of the injection rail for the gas automobile, the upper end of the rubber mat is in a conical shape with a small upper part and a big lower part.

As a further alternative of the injection rail for the gas automobile, the top end of the stepped hole is in a conical shape matched with the rubber mat.

As a further alternative of the injection rail for the gas automobile, the top end of the valve core is provided with an exhaust hole communicated with the rubber mat.

As a further alternative of the injection rail for the gas automobile, the top of the rubber mat is provided with a vertical compensation blind hole.

As a further alternative of the injection rail for the gas automobile, one end, away from the valve core, of the plug extends upwards to the outside of the iron shell, and the plug is in threaded connection with the iron shell.

As a further alternative of the injection rail for the gas automobile, the injection rail further comprises: a valve barrel; the valve barrel is sleeved outside the valve core and positioned between the compression spring and the valve core, a flange extends outwards from the upper end of the valve barrel, and the lower end of the valve barrel extends towards the flange; the flange is sandwiched between the iron case and the coil.

As a further alternative of the injection rail for the gas automobile, the injection rail further comprises: pressing a plate; the pressure plate is fixed on the valve body; the bottom end of the iron shell extends outwards to form a flange; the flanging clamp is arranged between the pressure plate and the valve body.

As a further alternative of the injection rail for the gas automobile, a valve port located in the hollow portion of the valve body has a wrench portion.

The utility model has the advantages that:

(1) the valve port is arranged inside the valve body, so that the wear resistance of the valve port is improved;

(2) the spring is sleeved outside the valve core, so that the length of the valve core is shortened, the weight of the valve core is lighter, and the valve core is more wear-resistant under the working state with the same frequency;

(3) the iron shell of the utility model is of a full-coating design, and compared with the traditional coil, the iron shell can generate larger magnetic field force under the same current, thereby being more beneficial to the work of the movable valve core;

(4) the utility model discloses a valve port can be dismantled with the valve body and be connected, and it is more convenient to maintain.

Drawings

Fig. 1 is a schematic structural view of the injection rail for a gas automobile of the present invention.

Fig. 2 is an exploded view of the injection rail for a gas vehicle shown in fig. 1.

Fig. 3 is a sectional view of the gas vehicle injection rail shown in fig. 1, which is cut on a plane passing through a central axis of the valve body and perpendicular to a central axis of the gas inlet hole.

In the figure: 1-a valve body; 11-an air intake; 12-air outlet holes; 2-valve port; 21-spanner portion; 3-an electromagnetic valve; 31-plug; 32-a coil; 33-iron shell; 34-a valve core; 341-flange; 342-a vent hole; 35-a rubber pad; 351-compensation blind holes; 36-a compression spring; 37-a valve cartridge; 371-a flange; 38-end cap; 4, pressing a plate; 5-a sheath; 6-clamp spring.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work.

The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.

In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.

Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections (and couplings) where appropriate and where not necessary contradictory.

As shown in fig. 1 to 3, the injection rail for a gas automobile of the present embodiment includes: a hollow valve body 1, a valve port 2 arranged in the hollow part of the valve body 1 and an electromagnetic valve 3 for opening and closing the valve port 2; the valve body 1 is respectively provided with an air inlet hole 11 and an air outlet hole 12, and the air inlet hole 11 and the air outlet hole 12 are both communicated with the hollow part of the valve body 1; one end of the valve port 2 is in threaded connection with the air outlet 12;

specifically, in the present embodiment, the valve body 1 has a rectangular parallelepiped shape, and it is obvious that the valve body 1 may have any other shape; an air inlet 11 is arranged on the side end surface of the valve body 1, and the air inlet 11 can penetrate through the valve body 1 or can not penetrate through the valve body 1; the bottom end face of the valve body 1 is provided with an air outlet hole 12, the top end face of the valve body 1 is provided with a containing hole communicated with the air outlet hole 12, so that the air inlet hole 11 is communicated with the air outlet hole 12, and the upper end of the air outlet hole 12 is provided with an internal thread.

The middle part of the valve port 2 is provided with a vertical through air vent, the lower end of the valve port 2 is provided with an external thread so as to be in threaded connection with the internal thread of the air outlet hole 12, and the upper end of the valve port 12 is positioned in the accommodating hole. Because the valve port 2 is arranged in the valve body 1, the wear resistance of the valve port 2 is improved. In order to facilitate the installation or the disassembly of the valve port 2, the valve port 2 positioned in the hollow part of the valve body 1 is provided with a spanner part 21, and the cross section of the spanner part 21 is hexagonal.

The electromagnetic valve 3 is positioned above the valve port 2 and is used for opening and closing the top opening of the valve port 2 and the top end of the vent hole, so that the air inlet hole 11 is communicated with or disconnected from the air outlet hole 12; the electromagnetic valve 3 can be implemented by adopting the existing structure, and in this embodiment, the electromagnetic valve 3 can include a plug 31, a coil 32 and an iron shell 33 which are sequentially arranged from inside to outside; the iron shell 33 is detachably connected with the valve body 1; the plug 31 is fixedly connected with the iron shell 33, and a valve core 34 is arranged between the plug 31 and the valve port 2; a rubber gasket 35 is arranged between the valve core 34 and the valve port 2, the valve core 34 extends to the hollow part of the valve body 1, one end of the valve core 34 facing the valve port 2 is provided with an outwardly extending flange 341, and a compression spring 36 is sleeved outside the valve core 34; the two ends of the compression spring 36 respectively abut against the iron shell 33 and the flange 341.

Iron-clad 33 cavity and bottom opening, the opening closing cap has end cover 38, and the bottom of iron-clad 33 outwards extends has the turn-ups, and end cover 38 extends to the turn-ups, and the turn-ups top is provided with clamp plate 4, and clamp plate 4 passes through the screw with valve body 1 and can dismantle the connection to compress tightly turn-ups and end cover 38 through clamp plate 4, realize iron-clad 33 and valve body 1's dismantling and be connected. And a sealing ring is arranged between the end cover 38 and the top surface of the valve body 1 to prevent gas leakage.

The coil 32 is fixed inside the iron shell 33 by the end cover 38 and the top wall of the iron shell 33, the bottom of the coil 32 and the wire end of the end cover coil 32 extend out of the iron shell 33, and the sheath 5 is integrally formed at the top of the iron shell 33 for protecting the wire end.

And a sealing ring is arranged between the plug 31 and the coil to avoid gas leakage. One end of the plug 31, which is far away from the valve core 34, extends upwards to the outside of the iron shell 33, and the plug 31 is in threaded connection with the iron shell 33. Thereby adjusting the position of the plug 31 and thus the stroke of the spool 34. On this basis, the end cap that is located the outside of iron-clad 33 has seted up the draw-in groove, and the draw-in groove joint has jump ring 6.

The valve core 34 is slidably arranged in the coil 32, a valve cylinder 37 is sleeved outside the valve core 34, the valve cylinder 37 is positioned between the compression spring 36 and the valve core 34, a flange 371 extends outwards from the upper end of the valve cylinder 37, and the lower end of the valve cylinder 37 extends towards the flange 341; the flange 371 is sandwiched between the iron case 33 and the coil 32. One end of the valve core 34 facing the valve port 2 is provided with a step hole with a big top and a small bottom; the rubber pad 35 is step-shaped and is matched with the step hole. Thereby improving the impact resistance and fatigue resistance of the rubber mat 35. On the basis, the upper end of the rubber pad 35 is in a cone shape with a small upper part and a big lower part; the top end of the stepped hole is in a conical shape matched with the rubber pad 35. Further, the top end of the valve core 34 is provided with an exhaust hole 342 communicated with the rubber pad 35, so that when the rubber pad 35 is mounted, air in the step hole is exhausted; furthermore, the top of the rubber pad 35 is provided with a vertical compensation blind hole 351.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. An injection rail for a gas automobile, comprising: the valve comprises a hollow valve body, a valve port arranged in the hollow part of the valve body and an electromagnetic valve for opening and closing the valve port; the valve body is respectively provided with an air inlet hole and an air outlet hole, and the air inlet hole and the air outlet hole are communicated with the hollow part of the valve body; one end of the valve port is in threaded connection with the air outlet;

2. The injection rail for the gas automobile as claimed in claim 1, wherein one end of the valve core facing the valve port is provided with a stepped hole with a large upper part and a small lower part; the rubber pad is in a step shape matched with the step hole.

3. The injection rail for a gas automobile as claimed in claim 2, wherein the upper end of the rubber mat is tapered with a small upper end and a large lower end.

4. The injection rail for the gas automobile as claimed in claim 3, wherein the top end of the stepped hole is tapered to fit the rubber mat.

5. The injection rail for the gas automobile as claimed in any one of claims 2 to 4, wherein an exhaust hole leading to the rubber gasket is opened at a top end of the valve core.

6. The injection rail for the gas-fired automobile as recited in any one of claims 2 to 4, wherein a vertical compensation blind hole is opened at the top of the rubber mat.

7. The injection rail for the gas automobile as claimed in claim 1, wherein one end of the plug, which is away from the valve core, extends upwards to the outside of the iron shell, and the plug is in threaded connection with the iron shell.

8. The injection rail for a gas automobile as set forth in claim 1, further comprising: a valve barrel; the valve barrel is sleeved outside the valve core and positioned between the compression spring and the valve core, a flange extends outwards from the upper end of the valve barrel, and the lower end of the valve barrel extends towards the flange; the flange is sandwiched between the iron case and the coil.

9. The injection rail for a gas automobile as set forth in claim 1, further comprising: pressing a plate; the pressure plate is fixed on the valve body; the bottom end of the iron shell extends outwards to form a flange; the flanging clamp is arranged between the pressure plate and the valve body.

10. The injection rail for a gas automobile as claimed in claim 1, wherein the valve port located in the hollow portion of the valve body has a wrench portion.