CN201321919Y - Gas replenishing needle valve for motor - Google Patents
Gas replenishing needle valve for motor Download PDFInfo
- Publication number
- CN201321919Y CN201321919Y CNU2008201004423U CN200820100442U CN201321919Y CN 201321919 Y CN201321919 Y CN 201321919Y CN U2008201004423 U CNU2008201004423 U CN U2008201004423U CN 200820100442 U CN200820100442 U CN 200820100442U CN 201321919 Y CN201321919 Y CN 201321919Y
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- CN
- China
- Prior art keywords
- motor
- valve
- needle
- gas passage
- spool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gas replenishing needle valve for a motor, and the needle valve comprises a valve body, a valve core and a valve seat, wherein, the valve core is a needle-shaped valve core with long conical structure; the valve seat is provided with a cylindrical gas passage; and the needle-shaped valve core penetrates into the cylindrical gas passage movably in the axial direction. The gas replenishing needle valve for a motor of the utility model adopts the needle-shaped valve core with long conical structure, and can linearly increase the gas replenishing amount according to opening travel; and the controlled gas replenishing curve is adapted to the gas inlet curve of mixed gas so as to achieve the purpose of good synchronous fit, so that the motor keeps running optimally. The valve has simple structure, convenient installation and low cost. Due to the adoption of an adjusting method of the synchronous action with carburetor plunger, the gas replenishing amount can be adjusted according to the running requirements of the motor, and the motor can be in the optimum running state.
Description
Technical field
The utility model relates to a kind of explosive motor, particularly a kind of motor tonifying Qi needle value.
Background technique
Motorcycle engine is owing to be high-speed gasoline engine, and the fuel-air mixture forming process time is short.Because incorporation time is short, can cause mixing inhomogeneous, so fuel combustion is insufficient, can CO and HC gas appear in tail gas, cause environmental pollution.For overcoming the above problems, motor is provided with air compensating system.In the prior art, making-up air device divides two kinds of electric controlled gas-compensation and mechanical tonifying Qi, and electrically controlled gas supplementing device comprises ECU (Electrical Control Unit) ECU and electric controlled gas-compensation valve, and is effective, controls emission compliance easily; But have the high shortcoming of cost, generally do not using also employing under the EFI situation.The principle of machinery making-up air device is the automatic tonifying Qi of mechanical type, motor makes the spring sheet of valve realize Push And Release under positive negative pressure alternate by inhaling with not air-breathing two states, still, and when motor just starts, its rotating speed (air-breathing frequency) is very low, and valve still is in normal working; After the rotating speed (air-breathing frequency) of motor increased a certain data of arrival, spring sheet was difficult to realize opening valve with the motor synchronizing frequency; Because the time is very short, spring sheet has little time to open and just has been in the malleation closed condition again, therefore often is in closed condition, still in tonifying Qi, does not but close not tonifying Qi when needing tonifying Qi at a high speed, thereby has influenced the discharging that motor must be controlled when low speed does not need tonifying Qi.
In addition, existing fuel engine must evaporate activated carbon canister by oil, is purpose to limit dirty the reduction of discharging.After engine start, the fuel evaporation activated carbon canister is under the negative pressure opens working state, and high speed and low speed is desorption and adsorbed state all.And after the fuel oil of absorption is finished by desorption, can think that this passage is in long-term tonifying Qi state, and be equivalent to carry out secondary air compensating, do not need tonifying Qi when having idling, but still in tonifying Qi; Thereby influenced the discharging that motor must be controlled.
Therefore, need transform, can regulate air compensation, thereby make motor can be in optimal operational condition according to the service condition of motor to the making-up air device of motor.
The model utility content
In view of this, the purpose of this utility model provides a kind of motor tonifying Qi needle value, is arranged on the motor tonifying Qi pipeline, can regulate air compensation, thereby make motor can be in optimal operational condition according to the service condition of motor.
Motor tonifying Qi needle value of the present utility model comprises valve body, spool and valve seat, and described spool is the aciculiform spool of conico-acuminate structure, and valve seat is provided with the cylindrical gas passage, and the aciculiform spool is can axially movable mode penetrating the cylindrical gas passage.
Further, the long conical bottom of described aciculiform spool and cylindrical gas passage do not have the gap and can move axially and cooperate, and when closing, long conical bottom is between the suction port and air outlet of cylindrical gas passage;
Further, described needle value also comprises return spring and the slide block in the cavity that is arranged on valve body, described slide block is fixedlyed connected with aciculiform spool afterbody and can be vertically moved along valve cavity, and described return spring one end withstands the valve cavity end, and the other end withstands slide block;
Further, the suction port of described cylindrical gas passage is corresponding with aciculiform spool end;
Further, described valve seat and valve body are made one, and the air inlet pipe nipple that is connected with the suction port and the air outlet of cylindrical gas passage respectively and the pipe nipple of giving vent to anger are set on the valve body;
Further, at least one fixing ear of described valve body outer installment;
Further, during use, the Carburetor plunger synchronization motion of described aciculiform spool and motor, the throttle drag-line of Carburetor are provided with respectively two branch ends that are connected with slide block or aciculiform spool afterbody with the Carburetor plunger, two branch end synchronization motions of described throttle drag-line control;
Further, described valve cavity end is provided with longitudinal hole, and during use, a branch end of throttle drag-line passes through hole and is connected with slide block or aciculiform spool afterbody;
Further, during use, described needle value is arranged at the near-end of motor blowdown pipe and engine body combi inlet port joint;
Further, the afterbody of aciculiform spool is the cylindrical body with the long conical bottom one of aciculiform spool, the equal diameters of cylindrical diameter and long conical bottom.
The beneficial effects of the utility model are: motor tonifying Qi needle value of the present utility model, adopt the needle value cored structure of conico-acuminate, can be according to the linear air compensation that increases of opening travel, the tonifying Qi curve and the mixed gas air inlet curve of control adapt, reach the two good fit purpose, make motor keep optimum operation, simple in structure, easy for installation, cost is low; Therefore the regulative mode of employing and Carburetor plunger synchronization motion can be regulated air compensation, thereby be made motor can be in optimal operational condition according to the service condition of motor.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model opening process schematic representation.
Embodiment
Fig. 1 is a structural representation of the present utility model, Fig. 2 is the utility model opening process schematic representation, as shown in the figure: the motor tonifying Qi needle value of present embodiment, comprise valve body 1, spool 3 and valve seat 2, valve body 1 outer installment of needle value is ear 6 fixedly, and during use, needle value is installed on the vehicle frame by fixing ear 6, install simple and convenient, the high working efficiency of improve installing; Spool 3 is the aciculiform spool of conico-acuminate structure, valve seat 2 is provided with cylindrical gas passage 21, aciculiform spool 3 is can axially movable mode penetrating cylindrical gas passage 21, adopt aciculiform spool 3 structures of conico-acuminate, increasing along with opening travel, gap between aciculiform spool 3 cone-shaped sections and the cylindrical gas passage 21 becomes big gradually, air compensation also increases gradually, be beneficial to according to the engine mixed gas air inflow and regulate air compensation, because the tonifying Qi curve of aciculiform spool 3 controls of conico-acuminate and the mixed gas air inlet curve of Carburetor adapt, reach the two good fit purpose, guarantee that tail gas is qualified when making motor keep optimum operation;
The long conical bottom of aciculiform spool 3 can move axially with cylindrical gas passage 21 no gaps and cooperate, when closing, long conical bottom is between the suction port 22 and air outlet 23 of cylindrical gas passage 21, no gap cooperates can guarantee excellent sealing between suction port 22 and the air outlet 23, air enters engine body when avoiding closing, and influences the operation of motor;
Needle value also comprises return spring 5 and the slide block 4 that is arranged in the valve cavity 13, slide block 4 is fixedlyed connected with aciculiform spool 3 afterbodys and can be vertically moved along valve cavity 13, in the present embodiment, the afterbody of aciculiform spool 3 is and the cylindrical body of growing the conical bottom one, the diameter of cylindrical structure equates with the oval cone bottom diameter of aciculiform spool 3, slide block 4 is set, can guarantee the radial position of aciculiform spool 3, thereby guarantee the coaxality of aciculiform spool 3 and cylindrical gas passage 21, make between aciculiform spool 3 and the cylindrical gas passage 21 to seal reliably, move smooth and easy; The afterbody of aciculiform spool 3 is and the isometrical cylindrical body of the long conical bottom of aciculiform spool 3 to be beneficial to the coaxality that guarantees aciculiform spool 3 and cylindrical gas passage 21; Return spring 5 one ends withstand valve cavity 13 ends, and the other end withstands slide block 4;
During use, the throttle drag-line of Carburetor is provided with respectively two branch ends that are connected with aciculiform spool 3 afterbodys with the Carburetor plunger, one of them divides end 7 to connect aciculiform spool 3 afterbodys, two branch end synchronization motions of throttle drag-line control, to guarantee the plunger synchronization motion of needle value and Carburetor,, can make the unlatching of aeration valve lag behind the unlatching of Carburetor by the position of adjusting aciculiform spool 3, also can open synchronously, use simple and convenient; When aciculiform spool 3 makes needle value be in the state of unlatching, aciculiform spool 3 cone-shaped sections are radially relative with air outlet 23, see Fig. 2, air is entered by suction port 22 and enters air outlet 23 by the gap between aciculiform spool 3 cone-shaped sections and the cylindrical gas passage 21, under the effect of engine body combi inlet port negative pressure, mix with mixed gas, under the effect of mending air, mixed gas further mixes, and increase oxygen content, the assurance fuel combustion is abundant, increasing along with opening travel, gap between aciculiform spool 3 cone-shaped sections and the cylindrical gas passage 21 becomes big gradually, air compensation also increases gradually, guarantees to adapt with the tolerance of mixed gas; When loosening the throttle drag-line, the air-fuel mixture amount that Carburetor enters engine body reduces, and return spring 5 acts on slide block 4, makes aciculiform spool 3 returns, gets back between suction port 22 and the air outlet 23 until the conical lower portion of aciculiform spool 3, and needle value cuts out; Valve cavity 13 ends are provided with through hole 14, and the branch end 7 of throttle drag-line passes through hole 14 and is connected with aciculiform spool 3 afterbodys, does not have eccentric force during the application of force, are beneficial to the flexible action that guarantees aciculiform spool 3; Certainly, dividing end 7 to be not limited to be connected with aciculiform spool 3 afterbodys, also can be to be connected on the slide block 4, because aciculiform spool 3 is fixedlyed connected with slide block 4, also can realize the utility model purpose;
The suction port 22 of cylindrical gas passage 21 is corresponding with aciculiform spool 3 ends, to reduce intake resistance;
In the present embodiment, valve seat 2 is made one with valve body 1, make needle value simple and compact for structure, the air inlet pipe nipple 11 that is connected with the suction port 22 and the air outlet 23 of cylindrical gas passage 21 respectively and the pipe nipple 12 of giving vent to anger are set on the valve body 1, the convenient blowdown pipe 8 that connects, make the installation of needle value simple and convenient, improve the high working efficiency of installing.
In the using process, needle value is arranged at the near-end of blowdown pipe 8 and engine body combi inlet port joint, just is installed on the tonifying Qi pipeline after the miscellaneous equipment, and needle value is nearer apart from the engine body combi inlet port, regulate air compensation and be quick on the draw instant effect for mixed gas.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. motor tonifying Qi needle value, comprise valve body (1), spool (3) and valve seat (2), it is characterized in that: described spool (3) is the aciculiform spool of conico-acuminate structure, valve seat (2) is provided with cylindrical gas passage (21), and aciculiform spool (3) is can axially movable mode penetrating cylindrical gas passage (21).
2. motor tonifying Qi needle value according to claim 1, it is characterized in that: the long conical bottom of described aciculiform spool (3) can move axially with the no gap of cylindrical gas passage (21) and cooperate, when closing, long conical bottom is positioned between the suction port (22) and air outlet (23) of cylindrical gas passage (21).
3. motor tonifying Qi needle value according to claim 2, it is characterized in that: described needle value also comprises return spring (5) and the slide block (4) in the cavity (13) that is arranged on valve body (1), described slide block (4) is fixedlyed connected with aciculiform spool (3) afterbody and can be vertically moved along valve cavity (13), described return spring (5) one ends withstand valve cavity (13) end, and the other end withstands slide block (4).
4. motor tonifying Qi needle value according to claim 3 is characterized in that: the suction port (22) of described cylindrical gas passage (21) is corresponding with aciculiform spool (3) end.
5. motor tonifying Qi needle value according to claim 4, it is characterized in that: described valve seat (2) is made one with valve body (1), and the air inlet pipe nipple (11) and the pipe nipple of giving vent to anger (12) that are connected with suction port (22) and air outlet (23) of cylindrical gas passage (21) respectively are set on the valve body (1).
6. motor tonifying Qi needle value according to claim 5 is characterized in that: at least one fixing ear (6) of described valve body (1) outer installment.
7. according to the described motor tonifying Qi of the arbitrary claim of claim 1 to 6 needle value, it is characterized in that: the afterbody of aciculiform spool (3) for the cylindrical body of the long conical bottom one of aciculiform spool (3), cylindrical diameter and the equal diameters of growing conical bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201004423U CN201321919Y (en) | 2008-10-31 | 2008-10-31 | Gas replenishing needle valve for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201004423U CN201321919Y (en) | 2008-10-31 | 2008-10-31 | Gas replenishing needle valve for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201321919Y true CN201321919Y (en) | 2009-10-07 |
Family
ID=41159303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201004423U Expired - Fee Related CN201321919Y (en) | 2008-10-31 | 2008-10-31 | Gas replenishing needle valve for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201321919Y (en) |
-
2008
- 2008-10-31 CN CNU2008201004423U patent/CN201321919Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LONCIN GENERAL DYNAMICS CO., LTD. Free format text: FORMER NAME: LONCIN INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 99 No. 400052 Chongqing Jiulongpo Hualong Avenue Kowloon Park Patentee after: Loncin General Dynamics Co., Ltd. Address before: 99 No. 400052 Chongqing Jiulongpo Hualong Avenue Kowloon Park Patentee before: Loncin Industry Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing Longxin Engine Ltd. Assignor: Loncin General Dynamics Co., Ltd. Contract record no.: 2012500000044 Denomination of utility model: Gas replenishing needle valve for motor Granted publication date: 20091007 License type: Exclusive License Record date: 20120508 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20121031 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing Longxin Engine Ltd. Assignor: Loncin General Dynamics Co., Ltd. Contract record no.: 2012500000044 Denomination of utility model: Gas replenishing needle valve for motor Granted publication date: 20091007 License type: Exclusive License Record date: 20120508 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |