CN210599243U - Plane whirl nozzle and car - Google Patents

Abstract

The utility model relates to a plane whirl nozzle, which comprises a valve body, a valve core, the disk seat, the upper end of valve body is equipped with the oil inlet, lower tip is connected with the disk seat, the atomizing hole has been seted up on the disk seat, the case sets up in the valve body, and the tip lid is established on the atomizing hole down, form medium channel between case and the valve body, the case can reciprocate in the valve body and make medium channel and atomizing hole intercommunication or close, still include the whirl device, the whirl device sets up establishes the type intracavity in the valve body, the whirl device accelerates the medium that comes from medium channel, when case rebound and medium channel and atomizing hole intercommunication, make the medium get into the atomizing hole atomizing at a high speed. The utility model innovatively adds the design of the cyclone block, so that the medium passes through the inflow groove on the cyclone block, the flow guide holes are sprayed into the bottom of the cyclone block, and the medium is guided to enter the atomization holes of the valve seat through the flow guide grooves in an accelerating manner through the unique flow distribution design at the bottom of the cyclone block, thereby enhancing the atomization effect; simultaneously, still relate to an automobile that contains above-mentioned nozzle.

Description

Plane whirl nozzle and car

Technical Field

The utility model belongs to the technical field of automobile engines, in particular to a plane swirl nozzle which is suitable for high-low pressure, low pressure and various media; also relates to an automobile comprising the spray nozzle.

Background

The oil nozzle is one of key components of the engine, and the performance of the engine is seriously influenced by the working condition of the oil nozzle. In the existing automobile engines, various types of nozzles are used to improve the spray quality, such as high and low pressure direct nozzles, swirl nozzles, and the like.

The utility model discloses a utility model patent of publication No. CN2606192 specifically discloses an automobile electricity spouts sprayer, including valve body, orifice plate, bulb, shell, the orifice on the orifice plate is 2-3. The combustion chamber has the advantages of simple structure, full combustion, small environmental pollution and the like. However, the porous high-low pressure direct injection nozzle is solid injection, so that the atomization performance is poor when the injection pressure is low, the requirement on the injection pressure is high, and the porous high-low pressure direct injection nozzle has good atomization performance only when the spray hole is small and the jet speed is high.

The invention patent with publication number CN 101737218A specifically discloses an injector for a direct injection engine, comprising: casing, valve rod, nozzle opening, inlet port and oil circuit, wherein: the oil spout hole and the inlet port set up respectively in the both ends of casing, and the oil circuit is located the casing and both ends are connected with inlet port and oil spout hole respectively, and the one end of valve rod sets up inside one side of the nearly inlet port of casing and is located the central authorities of a plurality of oil circuits, is equipped with a plurality of helicla flutes on the valve rod, and the top of valve rod and disk seat are spherical structure. The patent can guarantee a larger spray cone angle under low spray pressure and higher back pressure, thereby improving the atomization performance of the nozzle. However, the improved nozzle atomization performance of this patent is limited and needs further optimization.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a plane whirl nozzle that adapts to high-low pressure oil feed mechanism, the swirl piece design of having add of innovation makes the medium pass through the influent channel on the swirl piece, and at the bottom of the swirl piece is spouted in to the water conservancy diversion hole, through the unique reposition of redundant personnel design of swirl piece bottom, the guide medium passes through the splitter box and gets into the atomizing hole of disk seat with higher speed, reinforcing atomization effect.

For solving the above technical problem, the utility model discloses a technical scheme who takes is:

the utility model provides a plane whirl nozzle, which comprises a valve body, a valve core, the disk seat, the upper end of valve body is equipped with the oil inlet, lower tip is connected with the disk seat, the atomizing hole has been seted up on the disk seat, the case sets up in the valve body, and the tip lid is established on the atomizing hole down, form medium channel between case and the valve body, the case can reciprocate in the valve body and make medium channel and atomizing hole intercommunication or close, still include the rotary flow device, the rotary flow device sets up establishes the type intracavity in the valve body, the rotary flow device accelerates the medium that comes from medium channel, when case rebound and medium channel and atomizing hole intercommunication, make the medium get into the atomizing hole atomizing at a high speed.

Preferably, the swirling device comprises a swirling block, the swirling block is arranged above the valve seat, a through hole is formed in the center of the swirling block, the lower end portion of the valve core penetrates through the through hole cover to be arranged on the atomizing hole, a vertically through flow guide hole is formed in the swirling block, a flow distribution groove communicated with the flow guide hole is formed in the lower end face of the swirling block, the flow distribution groove enables the flowing direction of media to be changed in the same plane and finally converged towards the center, the unique bottom partial flow design is adopted, the media are guided to enter the valve seat atomizing hole through the flow distribution groove in an accelerating mode, and atomization is enhanced.

Further preferably, the upper end face of the rotational flow block is provided with a flow inlet groove, and the flow guide hole is located in the range of the flow inlet groove, so that the direction is provided for the medium to advance, and the medium can enter the flow guide hole conveniently.

Further preferably, the opening of the inflow groove is in a polygonal or curved pattern, more preferably a fan shape, and the opening area is large, so that more media can be accommodated and guided.

Preferably, the shape of the cyclone block is a truncated cone, a cylinder or a cuboid, more preferably a cylinder, a cavity matched with the shape of the cyclone block is arranged in the valve body, and the valve body is connected with the cyclone block in a sealing manner.

Preferably, the flow guide hole is a straight hole or a spiral hole vertically arranged up and down, that is, the inner wall of the flow guide hole is a straight surface, an arc surface or a spiral surface. Meanwhile, the flow guide holes can be formed in the outer wall of the cyclone block or the body between the inner wall and the outer wall of the cyclone block.

Preferably, the number of the flow guide holes is at least two, and the flow guide holes are uniformly distributed on the rotational flow block, so that the stability of the pressure of each section of medium is ensured, and the consistency of the atomization effect each time is achieved.

Preferably, the cross-sectional shape of the diversion holes is a polygon or a curved pattern, and can be a circle, a triangle, a square, and the like.

Preferably, the number of the inflow grooves is equal to the number of the diversion holes, that is, one inflow groove corresponds to one diversion hole.

Preferably, the diversion channel is arranged along the center of the rotational flow block in a unidirectional rotation mode.

Further preferably, the splitter box is a linear or arc-shaped slot extending from outside to inside.

Preferably, the number of the diversion grooves is greater than or equal to the number of the diversion holes, that is, one diversion hole corresponds to one or more diversion grooves.

Preferably, the valve core comprises a body and a pointed body arranged at the lower end part of the body, the pointed body extends downwards and inwards along the lower end part of the body until the pointed body is converged to a point on the extension line of the central axis of the body, the pointed body is in sealing connection with the valve seat through a first sealing surface, and the first sealing surface is positioned above the atomizing hole.

The utility model discloses still need to provide another technical scheme and be:

an automobile comprising a nozzle as described above.

Due to the adoption of the technical scheme, compared with the prior art, the utility model have the following advantage:

1. the utility model innovatively adds the design of the cyclone block, so that the medium passes through the inflow groove on the cyclone block, the flow guide holes are sprayed into the bottom of the cyclone block, and the medium is guided to enter the atomization holes of the valve seat through the flow guide grooves in an accelerating manner through the unique flow distribution design at the bottom of the cyclone block, thereby enhancing the atomization effect;

2. the utility model discloses update traditional ball valve into the needle valve, the ball valve case adopts the welding to accomplish, can have fit clearance, and the needle valve case adopts integrated into one piece processing, does not have the welding cooperation, has guaranteed the conductivity of petrol better, makes the atomizing even;

3. the utility model discloses the closed angle design of needle valve case bottom is in when the off condition at case and disk seat, and remaining petrol is automatic to converge into needle valve case point portion position under the action of gravity, avoids remaining petrol, impurity sclerosis to block up the atomizing hole after drying out, influences atomization effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a first schematic structural diagram of a vortex block;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a longitudinal cross-sectional view of FIG. 4;

FIG. 7 is a second schematic structural diagram of a vortex block;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a schematic view of a valve seat;

FIG. 10 is a longitudinal cross-sectional view of FIG. 9;

wherein: 1. a valve body; 2. a valve core; 21. a body; 22. a tip body; 3. a valve seat; 31. an atomization orifice; 32. a first circular table; 33. a second circular table; 4. a rotational flow block; 41. a flow inlet groove; 42. a flow guide hole; 43. a shunt slot; 5. chamfering; 6. a boss; 61. a recessed portion; 62. a swirl zone; 63. a tip portion.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples. For clarity of disclosure, "upper" and "lower" in the present disclosure are defined relative to the media orientation. The position of the element far away from the atomization hole and close to the oil inlet in the drawing is defined as 'upper', and the position of the element near the atomization hole and far away from the oil inlet in the drawing is defined as 'lower'. "inner" and "outer" are defined relative to the distance from the spool. The position of each element near the spool in the drawings is defined as "inside" of the element, and the position of each element away from the spool in the drawings is defined as "outside" of the element.

As shown in fig. 1 to 10, the present invention relates to a planar swirl nozzle, which comprises a valve body 1, a valve core 2, a valve seat 3, and a swirl block 4.

The valve body 1 is a tubular structure with a cavity arranged inside, an oil inlet is arranged at the upper end part of the valve body, and the lower end part of the valve body is connected with the valve seat 3.

The valve seat 3 is a cylindrical structure, and the lower end part of the valve body 1 is sleeved outside the valve seat 3. The valve body 1 is connected with the valve seat 3 in a sealing way. The lower end of the valve seat 3 is flush with the lower end of the valve body 1. The design of the lower end part of the valve body 1 is changed, the valve body 1 is connected with the boss of the valve seat 3 and the valve body 1 in the prior art, the valve body 1 is completely sleeved outside the valve seat 3, the valve seat 3 is completely wrapped inside the valve body 1, the valve body 1 is better matched with the valve seat 3, and the sealing performance is good. The inside of the valve seat 3 is sequentially provided with a first circular truncated cone 32-shaped opening and a second circular truncated cone 33-shaped opening and an atomizing hole 31 from top to bottom, the first circular truncated cone 32 and the second circular truncated cone 33 are arranged in a large-size-up mode, and the circle centers of the first circular truncated cone 32 and the second circular truncated cone 32 are points on the central axis of the valve seat 3. The atomization hole 31 is an inclined hole that is offset from the central axis of the valve seat 3, and the center of the upper end portion thereof remains at the central axis of the valve seat 3.

The lower part of the cavity of the valve body 1 is provided with a cyclone block 4, the cyclone block 4 is arranged above the valve seat 3, the cyclone block 4 is of a cylindrical structure, and the center of the cyclone block 4 is provided with a through hole. The valve body 1 is connected with the cyclone block 4 in a sealing way.

The valve core 2 is arranged in the valve body 1, and a medium channel is formed between the valve core 2 and the valve body 1. The valve core 2 comprises a body 21 and a pointed body 22 arranged at the lower end of the body 21, wherein the pointed body 22 extends downwards and inwards along the lower end part of the body 21 until a point converging on the extension line of the central axis of the body 21 is in a needle-like structure. The tip body 22 is arranged on the atomizing hole 31 through a through hole cover on the cyclone block 4, and the tip body 22 is connected with the side surface (first sealing surface) of the second circular table 33 in a sealing manner. The vortex block 4 divides the medium from the medium channel to accelerate, the valve core 2 can work in the up-and-down opening and closing state for 10-20 times in 1 second under the action of the electromagnetic valve, and a gap of 0.05-0.2mm is formed between the valve core 2 and the first sealing surface after the valve core is opened, so that the medium enters the atomizing hole 31 of the valve seat 3 at high speed to realize atomization.

As can be seen from the drawings, in the present embodiment, the body 21 is located in the through hole of the vortex block 4 and can move up and down therein. It is noted that the smaller the distance of the body 21 closest to the wall of the bore of the swirl block 4, the better, preferably less than 0.02mm, the more preferred the diameter of the body 21 being equal to the diameter of the bore when the body 21 moves up and down in the bore, the arrangement being such that sufficient medium is ensured not to flow therethrough into the atomising orifices 31.

In this embodiment, 3 inflow grooves 41 are uniformly formed in the upper end surface of the swirl block 4 along the circumferential direction, the opening shape of the inflow groove 41 is a sector, and 3 sector-shaped bosses are formed between the 3 inflow grooves 41. The sector of the inflow groove 41 is a curved line pattern consisting of a large arc at the outer end, a small arc at the inner side and a line segment between the two arcs. The large arc at the outer end takes a section on the outer wall of the cyclone block 4. Vertical diversion holes 42 which are communicated up and down are arranged in the range of the inflow groove 41 on the rotational flow block 4. The inflow grooves 41 correspond to the diversion holes 42 one by one, and the diversion holes 42 are 3 in total and are respectively arranged at the center of the inflow grooves 41 and are uniformly distributed on the body between the inner wall and the outer wall of the cyclone block 4. The cross section of the diversion hole 42 is circular. The lower end surface of the cyclone block 4 is provided with a shunt groove 43 communicated with the diversion hole 42, and the shunt groove 43 changes the flowing direction of the medium in the same plane and finally converges towards the center.

In the embodiment, the lower end surface of the swirl block 4 is provided with a boss 6 formed to extend downwards. The bosses 6 are independent from each other, have no intersection points and are uniformly distributed on the lower end surface of the swirl block 4 at intervals. The 3 diversion holes 42 are positioned in the range of 3 bosses 6 which are arranged at intervals. Each boss 6 comprises an arc at one end on the outer wall of the swirl block 4, extends inwards from the outer wall of the swirl block 4 to two side faces of the inner wall from two ends of the arc, and the side faces are vertical planes and are arranged along the center of the swirl block 4 in a unidirectional rotating manner. And a shunting groove 43 is formed between the adjacent side surfaces of two adjacent bosses 6, and 6 shunting grooves 43 are formed in total. In order to communicate the diversion holes 42 with the diversion grooves 43, a concave part 61 is arranged at the outer end part of the boss 6 where each diversion hole 42 is located, so that each diversion hole 42 correspondingly communicates two diversion grooves 43 at two adjacent sides. The recess 61 is formed by vertically cutting the boss 6 in a plane or curved surface passing through the pilot hole 42 and removing the outer region. In the present embodiment, the recess 61 is formed by vertically cutting the boss 6 with an arc surface parallel to the outer arc surface of the boss 6 and removing the outer region. In order to obtain better acceleration effect, a swirling area 62 is arranged on the boss 6 where each diversion hole 42 is located and at a position close to the diversion hole 42 corresponding to the concave part 61, and the swirling area 62 is formed in a downward concave mode. A sharp head 63 is formed on the boss 6 where each diversion hole 42 is located and at a position corresponding to the recess 61 and far from the diversion hole 42, and at this time, the boss 6 is similar to a V shape except for the recess 61 and the swirl region 63. The swirl zone 62 is arranged to form a swirl on the one hand and to extend the medium movement path on the other hand.

In this embodiment, the upper end of the swirl block 4 is provided with a chamfer 5 to facilitate the flow of the medium into the inflow groove 41 and to provide a direction of travel for the medium.

The utility model discloses still need provide an automobile, include as above the nozzle.

The utility model discloses an oil feed principle as follows:

the medium enters the oil inlet from the oil inlet pipe, passes through the medium channel to the inflow groove 41 on the cyclone block 4, and enters the diversion groove 43 at the bottom through the direct current of the diversion hole 42, and flows into the first round table 32 space on the valve seat 3, the valve core 2 is sealed with the cambered surface of the valve seat 3, the valve core 2 works in the up-and-down opening and closing state for 10-20 times in 1 second under the action of the electromagnetic valve, and the valve core 2 forms a 0.05-0.2mm gap with the valve seat 3 after being opened, so that the medium enters the atomization hole 31 of the valve seat 3 at a high speed.

The above description of the present invention is provided to help understand the method and the core idea of the present invention, and the purpose of the present invention is to allow people familiar with the art to understand the contents of the present invention and to implement the method, and thus the protection scope of the present invention cannot be limited by the above description. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a plane whirl nozzle, includes valve body, case, disk seat, the upper end of valve body is equipped with the oil inlet, lower tip with the disk seat is connected, the atomizing hole has been seted up on the disk seat, the case sets up in the valve body, and the tip lid is established under and on the atomizing hole, form medium passageway between case and the valve body, the case can reciprocate in the valve body and make medium passageway and atomizing hole intercommunication or close its characterized in that: the valve body is provided with a cavity, the cavity is internally provided with a medium channel, the valve body is internally provided with a cavity, the cavity is internally provided with a swirl device, the swirl device accelerates the medium from the medium channel, and when the valve core moves upwards and the medium channel is communicated with the atomizing hole, the medium enters the atomizing hole at a high speed to be atomized.

2. The planar swozzle of claim 1, wherein: the cyclone device comprises a cyclone block, the cyclone block is arranged above the valve seat, a through hole is formed in the center of the cyclone block, the lower end part of the valve core penetrates through the through hole cover to be arranged on the atomizing hole, a guide hole which is communicated up and down is formed in the cyclone block, a diversion channel communicated with the guide hole is formed in the lower end face of the cyclone block, and the diversion channel enables the flowing direction of a medium to be changed in the same plane and finally converges towards the center.

3. The planar swozzle of claim 2, wherein: and the upper end face of the rotational flow block is provided with a flow inlet groove, and the flow guide hole is positioned in the flow inlet groove range.

4. The planar swozzle of claim 3, wherein: the opening shape of the inflow groove is a polygon or a curve pattern.

5. The planar swozzle of claim 2, wherein: the vortex block is in the shape of a truncated cone, a cylinder or a cuboid.

6. The planar swozzle of claim 2, wherein: the number of the flow guide holes is at least two, and the flow guide holes are uniformly distributed on the rotational flow block.

7. The planar swozzle of claim 2, wherein: the cross section of the flow guide hole is in a polygonal or curved shape.

8. The planar swozzle of claim 2, wherein: the splitter box is arranged along the center of the rotational flow block in a unidirectional rotating mode.

9. The planar swozzle of claim 2, wherein: the valve core comprises a body and a tip body arranged at the lower end part of the body, the tip body extends downwards and inwards along the lower end part of the body until the tip body converges to a point on the extension line of the central axis of the body, the tip body is in sealing connection with the valve seat through a first sealing surface, and the first sealing surface is positioned above the atomizing hole.

10. An automobile comprising a nozzle as claimed in claims 1 to 9.

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