CN209855945U - Oil nozzle - Google Patents

Abstract

The utility model discloses an oil nozzle, a shell and an orifice plate matched with the shell, wherein the top inside the shell is provided with an upper channel, the bottom inside the shell is provided with a lower channel, an armature is arranged on the cavity wall of a cavity between the end parts of the opposite ends of the upper channel and the lower channel, a coil rack is arranged between the inner side of the shell and the outer side of the armature, a coil is arranged on the coil rack, a needle bar traction piece is arranged under the armature, the bottom end of the elastic piece is fixedly connected with the top end of an elastic piece fixing seat arranged at the top end of the needle bar traction piece, the residual liquid generated after oil injection slides to the inner part of a diversion groove through an inverted cone platform on a diversion sheet, the diversion groove sinks towards two sides, so that the residual liquid enters the diversion pipe through a diversion hole and then enters the return pipe to be recycled, thereby reducing the deposition of carbon ash and preventing blockage, the oil injection process is smooth, the whole structure is simple, the manufacturing cost is low, and the popularization is easy.

Description

Oil nozzle

Technical Field

The utility model relates to a glib talker, in particular to fuel sprayer.

Background

When the electromagnetic coil is electrified, suction force is generated, the needle valve is sucked up, the spray hole is opened, and fuel oil is sprayed out at a high speed through an annular gap between a pintle of the needle valve head and the spray hole to form a mist shape, so that sufficient combustion is facilitated. The oil nozzle for diesel engine is mechanically controlled, and the mechanical diesel nozzle works by controlling precision matching parts (needle valve and needle valve body). The matching parts of the nozzle are one of three precision matching parts of the traditional diesel engine, and the three precision matching parts are as follows: plunger, plunger sleeve, needle valve body, delivery valve seat. The gasoline engine nozzle is a part of an electric control system of a gasoline engine and replaces a carburetor of a carburetor type gasoline engine. The nozzles for automobiles mainly include: some foreign manufacturers can manufacture special nozzles for hydrogen at present.

The oil sprayer is at the working process, and fluid burning is not abundant, leads to certain fluid to remain in the oil sprayer, and after long-time work, lead to fluid to pile up easily, lead to the carbon dust to gather, block up the oil sprayer easily, influence the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil sprayer to the oil sprayer that proposes in solving above-mentioned background art is in the course of the work, and fluid burning is insufficient, leads to certain fluid to remain in the oil sprayer, and long-time work back leads to fluid to pile up easily, leads to the carbon dust to gather, blocks up the oil sprayer easily, influences the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: an oil nozzle, a shell and an orifice plate matched with the shell, wherein the top inside the shell is provided with an upper channel, the bottom inside the shell is provided with a lower channel, an armature is arranged on the cavity wall of a cavity between the ends of the opposite ends of the upper channel and the lower channel, a coil frame is arranged between the inside of the shell and the outer side of the armature, a coil is arranged on the coil frame, a needle rod traction piece is arranged under the armature, an elastic piece is arranged inside the channel inside the armature, the bottom end of the elastic piece is fixedly connected with the top end of an elastic piece fixing seat arranged at the top end of the needle rod traction piece, the central position of the needle rod traction piece is provided with a through hole and a needle rod fixing hole, the top end of the armature is provided with an elastic piece blocking structure, the central position of the elastic piece blocking structure is provided with a through hole, and the needle rod fixing hole, the steel ball is placed at the central position of the orifice plate, and the needle rod penetrates through the through hole and the lower channel to be matched with the steel ball.

As an optimized technical scheme of the utility model, the central point department of putting of orifice plate top has seted up circular shape orifice.

As a preferred technical scheme of the utility model, armature with form the activity space of needle bar traction piece between the needle bar traction piece.

As an optimized technical proposal of the utility model, a gap is formed between the needle bar and the side wall of the lower channel.

As an optimal technical scheme of the utility model, the bottom of lower passageway with be provided with the water conservancy diversion piece between the orifice plate, the central point of water conservancy diversion piece put the department seted up with the endocentric pinhole of orifice, the surface on water conservancy diversion piece top is the plane, the surface of water conservancy diversion piece bottom is equipped with the back taper platform, the back taper platform with be equipped with the guiding gutter between the surface of guiding gutter bottom, the guiding hole has been seted up to the symmetric position department of the tank bottom of guiding gutter, the guiding hole passes through honeycomb duct and back flow intercommunication.

As an optimal technical scheme of the utility model, the honeycomb duct inlays to be established the inside of water conservancy diversion piece to extend into the inside of casing one side, the tip of honeycomb duct with inlay to establish inside casing one side the pan feeding end sealing connection of back flow.

As a preferred technical scheme of the utility model, the coil former includes interior coil carrier, interior coil carrier cover is established the outside of armature, the outside cover of interior coil carrier is equipped with the outer coil carrier, interior coil carrier with all twine on the support body of outer coil carrier the coil.

As an optimized technical scheme of the utility model, the through-hole the needle bar fixed orifices with the orifice is the concentric hole.

As a preferred technical solution of the present invention, the upper channel and the lower channel are concentric channels.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an oil nozzle, the remaining liquid that produces behind the oil spout, through back taper platform landing to the inside of guiding gutter on the water conservancy diversion piece, the guiding gutter sinks to both sides hollow, makes remaining liquid enter into in the guiding gutter by the water conservancy diversion hole, and then enters into in the return pipe by recycle to reduce the deposit of carbon dust, prevent to take place to block up, make the oil spout process comparatively smooth and easy, overall structure is simple, low in cost, the practicality is strong, easily promotes.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the cross-section of the flow deflector of the present invention;

fig. 3 is a schematic view of the bottom view structure of the baffle of the present invention.

In the figure: 1. a housing; 2. a spray orifice plate; 3. an armature; 4. a needle bar traction member; 5. an elastic member fixing seat; 6. an elastic member blocking structure; 7. a flow deflector; 9. a steel ball; 10. a needle bar; 11. an upper channel; 12. a lower channel; 13. an inner bobbin; 14. an outer bobbin; 15. a bobbin; 16. a coil; 17. a flow guide pipe; 18. a return pipe; 19. a through hole; 20. needle bar fixing holes; 21. spraying a hole; 22. an elastic member; 23. an inverted frustum; 24. a diversion trench; 25. and (4) flow guide holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.

Referring to fig. 1-3, the present invention provides an oil nozzle, a housing 1, and a nozzle plate 2 matching with the housing 1, wherein an upper channel 11 is disposed at the top inside the housing 1, a lower channel 12 is disposed at the bottom inside the housing 1, an armature 3 is disposed on a cavity wall of a cavity between the ends of the upper channel 11 and the lower channel 12, a coil former 15 is disposed inside the housing 1 and outside the armature 3, a coil 16 is disposed on the coil former 15, a needle rod drawing member 4 is disposed under the armature 3, an elastic member 22 is disposed inside the channel inside the armature 3, the bottom end of the elastic member 22 is fixedly connected with the top end of an elastic member fixing seat 5 disposed at the top end of the needle rod drawing member 4, a through hole 19 and a needle rod fixing hole 20 are disposed at the center position of the needle rod drawing member 4, an elastic member blocking structure 6 is disposed at the top end of the armature 3, and a through hole 19 is disposed at the center, the needle bar fixing hole 20 is connected with the needle bar 10 in a clamping way, the steel ball 9 is placed at the central position of the injection hole plate 2, and the needle bar 10 penetrates through the through hole 19 and the lower channel 12 to be matched with the steel ball 9.

Preferably, a circular nozzle 21 is formed at the center of the top of the nozzle plate 2 for spraying oil.

Preferably, a movable space of the needle bar traction element 4 is formed between the armature 3 and the needle bar traction element 4, and the needle bar traction element 4 can move up and down to drive the needle bar 10 to move up and down.

Preferably, a gap is formed between the needle bar 10 and the sidewall of the lower channel 12 to facilitate movement of the needle bar 10.

Preferably, a flow deflector 7 is arranged between the bottom end of the lower channel 12 and the orifice plate 2, a pinhole concentric with the orifice 21 is formed in the center of the flow deflector 7, the surface of the top end of the flow deflector 7 is a plane, an inverted frustum 23 is arranged on the surface of the bottom end of the flow deflector 7, a flow guide groove 24 is formed between the inverted frustum 23 and the surface of the bottom end of the flow deflector 7, flow guide holes 25 are formed in the symmetrical positions of the bottom of the flow guide groove 24, the flow guide holes 25 are communicated with the return pipe 18 through the flow guide pipe 17, the flow guide of residual oil is easy, and the residual oil is convenient to collect.

Preferably, the guide pipe 17 is embedded in the guide vane 7 and extends into the interior of one side of the shell 1, and the end part of the guide pipe 17 is hermetically connected with the feeding end of the return pipe 18 embedded in the interior of one side of the shell 1, so that residual oil is easy to collect.

Preferably, the coil frame 15 includes an inner coil frame 13, the inner coil frame 13 is sleeved outside the armature 3, the outer coil frame 14 is covered outside the inner coil frame 13, and the coil 16 is wound on both the frame bodies of the inner coil frame 13 and the outer coil frame 14, so as to facilitate power on and off, so that the armature 3 generates magnetism or disappears, and the oil injection or closing function is performed.

Preferably, the through hole 19, the needle bar fixing hole 20 and the injection hole 21 are all concentric holes, so that the needle bar 10 moves more smoothly and is safer to use.

Preferably, the upper and lower passages 11 and 12 are concentric passages to facilitate oil delivery.

When specifically using, the utility model relates to an oil spout, the working process analogy of oil spout and the working process of current oil spout, after the oil spout, can produce certain liquid that remains, through 23 landing of back taper platform to the inside of guiding gutter 24 on the water conservancy diversion piece 7, guiding gutter 24 sinks to both sides hollow, hollow is sunk out and has been seted up water conservancy diversion hole 25, make remaining liquid enter into the honeycomb duct 17 by water conservancy diversion hole 25 in, and then enter into in the back flow 18 by recycle, thereby reduce the deposit of carbon dust, prevent to take place to block up, make the oil spout process comparatively smooth and easy.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. An oil nozzle, a shell (1) and an orifice plate (2) matched with the shell (1), characterized in that, the top of the shell (1) is provided with an upper channel (11), the bottom of the shell (1) is provided with a lower channel (12), an armature (3) is arranged on the cavity wall of a cavity between the ends of the upper channel (11) and the opposite end of the lower channel (12), a coil rack (15) is arranged between the shell (1) and the outer side of the armature (3), a coil (16) is arranged on the coil rack (15), a needle rod traction piece (4) is arranged under the armature (3), an elastic piece (22) is arranged in the inner channel of the armature (3), the bottom end of the elastic piece (22) is fixedly connected with the top end of an elastic piece fixing seat (5) arranged at the top end of the needle rod traction piece (4), through-hole (19) and needle bar fixed orifices (20) have been seted up to the central point department of putting of needle bar tractive spare (4), the top of armature (3) is provided with elastic component and blocks structure (6), just through-hole (19) have been seted up to the central point department that puts that elastic component blocks structure (6), needle bar fixed orifices (20) are connected with needle bar (10) block, steel ball (9) have been placed to the central point department of putting of orifice plate (2), needle bar (10) run through-hole (19) with lower passageway (12) with steel ball (9) cooperate.

2. The fuel injector of claim 1, wherein: the center of the top of the jet orifice plate (2) is provided with a circular jet orifice (21).

3. The fuel injector of claim 1, wherein: a movable space of the needle bar traction part (4) is formed between the armature iron (3) and the needle bar traction part (4).

4. The fuel injector of claim 1, wherein: a gap is formed between the needle bar (10) and the side wall of the lower channel (12).

5. The fuel injector of claim 1, wherein: the bottom of lower passageway (12) with be provided with water conservancy diversion piece (7) between spout board (2), the central point of water conservancy diversion piece (7) puts the department seted up with the concentric pinhole of orifice (21), the surface on water conservancy diversion piece (7) top is the plane, the surface of water conservancy diversion piece (7) bottom is equipped with back taper platform (23), back taper platform (23) with be equipped with guiding gutter (24) between the surface of guiding gutter (7) bottom, water conservancy diversion hole (25) have been seted up to the symmetric position department of the tank bottom of guiding gutter (24), water conservancy diversion hole (25) are through honeycomb duct (17) and back flow (18) intercommunication.

6. The fuel injector of claim 5, wherein: honeycomb duct (17) inlay and establish the inside of water conservancy diversion piece (7) to extend into the inside of casing (1) one side, the tip of honeycomb duct (17) with inlay and establish casing (1) one side is inside the pan feeding end sealing connection of back flow (18).

7. The fuel injector of claim 1, wherein: coil former (15) are including interior coil former (13), interior coil former (13) cover is established the outside of armature (3), the outside cover of interior coil former (13) is equipped with outer coil former (14), interior coil former (13) with all twine on the support body of outer coil former (14) coil (16).

8. The fuel injector of claim 1, wherein: the through hole (19), the needle bar fixing hole (20) and the spray hole (21) are all concentric holes.

9. The fuel injector of claim 1, wherein: the upper channel (11) and the lower channel (12) are concentric channels.