CN102297043B - Automatic choke opening structure of small petrol engine - Google Patents
Automatic choke opening structure of small petrol engine Download PDFInfo
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- CN102297043B CN102297043B CN 201110252620 CN201110252620A CN102297043B CN 102297043 B CN102297043 B CN 102297043B CN 201110252620 CN201110252620 CN 201110252620 CN 201110252620 A CN201110252620 A CN 201110252620A CN 102297043 B CN102297043 B CN 102297043B
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- plate
- air filter
- choke
- filter base
- choke opening
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Abstract
The invention discloses an automatic choke opening structure of a small petrol engine. An air conditioner base is provided with a choke opening and an air flue in a carburetor, a choke opening plate is connected to the air conditioner base in a sliding manner, the air conditioner base is provided with a button corresponding to the bottom end of the choke opening plate, the button is directly connected with the choke opening plate, a reset spring is arranged between the button and the air conditioner base, the air conditioner base is connected with a control slide block at one side of the choke opening plate in a sliding manner, a locking structure is arranged between the control slide block and the choke opening plate, and the control slide block is linked with a carburetor rotating swinging arm. When the button is pressed down, the choke opening plate slides down to close the choke opening, when an accelerator of the carburetor is quickened, the carburetor rotating swinging arm pushes a control arm of the control slide block to ensure that a sharp corner of the head part of the control arm exits a positioning groove of the choke opening plate, and the choke opening plate is automatically opened under the action of a spring. The automatic choke opening structure has the advantages of simple and reasonable structure and more convenience and simpleness in operation, and ensures that the choke opening is rapidly reset to be in an opening state when the accelerate is quickened.
Description
Technical field
The present invention relates to the chock plate of miniature gasoline engine.
Background technique
Chock plate needs manual-lock in the priming type miniature gasoline engine product for pulling of producing in the industry at present both at home and abroad, and chock plate is wanted manual unlocking after gasoline starting., behind starting up gasoline engine, often forget and open chock plate and directly open the throttle for the user, can cause like this petrol engine flame-out.Although lot of domestic and international company has also developed Choke Openner, be 200510092462.1 disclosed a kind of internal-combustion engines that comprise Carburetor such as the patent No., this internal-combustion engine comprises a choke family of power and influence who is arranged on Carburetor inside, and one with choke family of power and influence interconnection and be used for and its mobile chock plate lever together.This internal-combustion engine also comprises a throttler valve that is arranged on Carburetor inside, and one with air throttle be connected with each other for the synkinematic gascollecting cap control lever of one.Lever is arranged between gascollecting cap control lever and the chock plate lever in the middle of one, is used for together moving with them.In one embodiment, this internal-combustion engine comprises a connecting rod that is connected between gascollecting cap control lever and the middle lever, this connecting rod can be moved along with the motion of described chock plate lever, in order to the motion of described chock plate lever is converted to the motion of described middle lever.But there is complex structure in this Choke Openner, the drawback that reaction is sensitive not.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of simple in structure, the accurately Choke Openner that resets, and when opening the throttle, the assurance chock plate resets rapidly and is in open mode.
For solving the problems of the technologies described above, the present invention adopts following technological scheme: a kind of automatic choke opening structure of miniature gasoline engine, comprise Carburetor and air filter base, the air filter floor installation is on Carburetor, the air filter base is provided with chock plate, air channel in this chock plate and the Carburetor is communicated with, the choke door-plate is slidingly connected on the air filter base, it is characterized in that: choke door-plate top is provided with the wind blocking head corresponding with the chock plate shape, the corresponding choke door-plate of air filter base bottom is provided with button, described button directly is connected with described choke door-plate, be provided with resetting means between button and described air filter base, the air filter base connects a control slide block at choke door-plate one Slideslip, be provided with locking structure between control slide block and choke door-plate, button down chock plate plate resistance public attention is closed chock plate, locking structure locks the chock plate Board position, control slide block and the interlock of Carburetor rotating arm, when strengthening the Carburetor throttle, rotating arm promotes the control slide block and slides and unlock structure to the locking of chock plate Board position, and this moment, resetting means made chock plate get back to original state.
As preferably, described air filter base is provided with chute, and described control slide block is provided with the outstanding control arm that stretches into chute, and control arm horizontally slips in chute.
As preferably, described locking structure comprises the positioning groove that choke door-plate sidepiece arranges, described control slide block is provided with towards described positioning groove and the head wedge angle corresponding with the positioning groove shape, the bottom surface of described head wedge angle is horizontal plane, is provided with elastic device between described control slide block and air filter base.
As preferably, described locking structure also comprises a spring sheet, and spring sheet top and described air filter base are fixed, spring sheet bottom and control slider tail Elastic Contact.
As preferably, described spring sheet top is provided with crotch, and the air filter base is provided with a gap slot, and described crotch flexible clamping is in described gap slot, and spring sheet passes from the gap slot breach.
As preferably, described resetting means is Compress Spring, and described Compress Spring is socketed on the choke door-plate, and Compress Spring lower end and air filter base are fixed.
As preferably, described choke door-plate top is provided with connecting groove, and described choke door-plate is fixed by connecting groove and button.
As preferably, described air filter base is provided with a traveller, and described control slide block is provided with slideway, and traveller slides in slideway.
As preferably, described air filter base is provided with a guide groove that slides up and down for the choke door-plate, and the corresponding described control slider head wedge angle of guide groove is provided with the opening that inserts for the head wedge angle.
As preferably, described rotating arm is cam, and the rotation of cam promotes control arm and slides along described chute.
When pressing the button, the choke door-plate glides thereupon and cuts out chock plate, and the control slide block slides left under the effect of spring sheet, realizes locating function in the positioning groove of control slider head wedge angle insertion choke door-plate, makes it spacing in choke closed state hold device.When strengthening the throttle of Carburetor, the control arm that its rotating arm promotes the control slide block makes the head wedge angle withdraw from the positioning groove of choke door-plate, the choke door-plate is opened under the effect of spring automatically, this is simple and reasonable, more convenient to operate simple and easy, when opening the throttle, the assurance chock plate resets rapidly and is in open mode.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is structure explosive view of the present invention;
Fig. 2 is the present invention's structural representation when chock plate is closed;
Fig. 3 is the present invention's rotating arm and control arm effect schematic diagram when chock plate is closed;
Fig. 4 is the present invention's structural representation when chock plate is opened;
Fig. 5 is the present invention's rotating arm and control arm effect schematic diagram when chock plate is opened.
Embodiment
The embodiment of Choke Openner of the present invention is described referring to figs. 1 through Fig. 5, comprise Carburetor 1 and air filter base 2, air filter base 2 is installed on the Carburetor 1, the air filter base is provided with chock plate 21, this chock plate, be communicated with the air channel in the Carburetor, choke door-plate 5 is slidingly connected on the air filter base, choke door-plate top is provided with the wind blocking head corresponding with the chock plate shape, the corresponding choke door-plate of air filter base bottom is provided with button 7, described button directly is connected with described choke door-plate, be provided with resetting means between button and described air filter base, the air filter base connects a control slide block 4 at choke door-plate one Slideslip, be provided with locking structure between control slide block and choke door-plate, button down chock plate plate resistance public attention is closed chock plate, locking structure locks the chock plate Board position, control slide block and 11 interlocks of Carburetor rotating arm, when strengthening the Carburetor throttle, rotating arm 11 promotes control slide blocks 4 and slides and unlock structure to the locking of chock plate Board position, and this moment, resetting means made chock plate get back to original state.Described air filter base is provided with chute 22, and described control slide block is provided with the outstanding control arm 42 that stretches into chute, and control arm horizontally slips in chute.Described locking structure comprises the positioning groove 51 that choke door-plate sidepiece arranges, described control slide block is provided with towards described positioning groove and the head wedge angle 41 corresponding with the positioning groove shape, the bottom surface of described head wedge angle is horizontal plane, is provided with elastic device between described control slide block and air filter base.Described locking structure also comprises a spring sheet 3, and spring sheet top and described air filter base are fixed, spring sheet bottom and control slider tail Elastic Contact.Described spring sheet top is provided with crotch 31, and the air filter base is provided with a gap slot 24, and described crotch flexible clamping is in described gap slot, and spring sheet passes from the gap slot breach.Described resetting means is Compress Spring 6, and described Compress Spring is socketed on the choke door-plate, and Compress Spring lower end and air filter base are fixed.Described choke door-plate top is provided with connecting groove 52, and described choke door-plate is fixed by connecting groove and button.Described air filter base is provided with a traveller 23, and described control slide block is provided with slideway 43, and traveller horizontally slips in slideway.Described air filter base is provided with a guide groove 25 that supplies the choke door-plate to slide up and down, and the corresponding described control slider head wedge angle of guide groove is provided with the opening that inserts for the head wedge angle.Described rotating arm 11 is cam, and the rotation of cam promotes control arm and slides along described chute.
When pressing the button 7, choke door-plate 5 glides along slide rail 25 and cuts out chock plate 21, control slide block 4 slides left under the effect of spring sheet 3, control slide block 4 head wedge angles 41 pass in the positioning groove 51 that the slide rail opening inserts choke door-plate 5 and realize locating function, make it spacing in choke closed state hold device.
When strengthening the throttle of Carburetor 1, the control arm 42 that its rotating arm 11 rotations promote control slide block 4 slides to the right along chute and makes head wedge angle 41 withdraw from the positioning groove 51 of choke door-plate 5, and choke door-plate 5 is opened under the effect of spring 6 automatically.
Because choke door-plate 5 can slide in the slide rail 25 of air filter base 2, realize closing and automatically opening of chock plate, simple and reliable for structure.
Described piano keys type button 7 directly links to each other with choke door-plate 5, and spring 6 can be finished automatically opening choke door-plate 5.
Claims (10)
1. the automatic choke opening structure of a miniature gasoline engine, comprise Carburetor (1) and air filter base (2), air filter base (2) is installed on the Carburetor (1), the air filter base is provided with chock plate (21), air channel in this chock plate and the Carburetor is communicated with, choke door-plate (5) is slidingly connected on the air filter base, it is characterized in that: choke door-plate top is provided with the wind blocking head corresponding with the chock plate shape, the corresponding choke door-plate of air filter base bottom is provided with button (7), described button directly is connected with described choke door-plate (5), be provided with resetting means between button and described air filter base, air filter base (2) connects a control slide block (4) at choke door-plate one Slideslip, be provided with locking structure between control slide block and choke door-plate, button down chock plate plate resistance public attention is closed chock plate, locking structure locks the chock plate Board position, control slide block and Carburetor rotating arm (11) interlock, when strengthening the Carburetor throttle, rotating arm (11) promotes control slide block (4) and slides and unlock structure to the locking of chock plate Board position, and this moment, resetting means made chock plate get back to original state.
2. automatic choke opening structure according to claim 1, it is characterized in that: described air filter base (2) is provided with chute (22), and described control slide block is provided with the outstanding control arm (42) that stretches into chute, and control arm horizontally slips in chute.
3. automatic choke opening structure according to claim 2, it is characterized in that: described locking structure comprises the positioning groove (51) that choke door-plate (5) sidepiece arranges, described control slide block (4) is provided with towards described positioning groove and the head wedge angle (41) corresponding with the positioning groove shape, the bottom surface of described head wedge angle is horizontal plane, is provided with elastic device between described control slide block and air filter base.
4. automatic choke opening structure according to claim 3, it is characterized in that: described elastic device is a spring sheet (3), spring sheet top and described air filter base are fixed, spring sheet bottom and control slider tail Elastic Contact.
5. automatic choke opening structure according to claim 4, it is characterized in that: described spring sheet (3) top is provided with crotch (31), the air filter base is provided with a gap slot (24), and described crotch flexible clamping is in described gap slot, and spring sheet passes from the gap slot breach.
6. according to claim 1 to 5 each described automatic choke opening structures, it is characterized in that: described resetting means is Compress Spring (6), and described Compress Spring is socketed on the choke door-plate, and Compress Spring lower end and air filter base are fixed.
7. automatic choke opening structure according to claim 6, it is characterized in that: described choke door-plate top is provided with connecting groove (52), and described choke door-plate is fixed by connecting groove and button.
8. automatic choke opening structure according to claim 7, it is characterized in that: described air filter base is provided with a traveller (23), and described control slide block is provided with slideway (43), and traveller slides in slideway.
9. according to claim 3 to 5 each described automatic choke opening structures, it is characterized in that: described air filter base (2) is provided with a guide groove (25) that supplies the choke door-plate to slide up and down, and the corresponding described control slider head wedge angle of guide groove is provided with the opening that inserts for the head wedge angle.
10. automatic choke opening structure according to claim 9, it is characterized in that: described rotating arm (11) is cam, the rotation of cam promotes control arm (42) and slides along described chute (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110252620 CN102297043B (en) | 2011-08-30 | 2011-08-30 | Automatic choke opening structure of small petrol engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110252620 CN102297043B (en) | 2011-08-30 | 2011-08-30 | Automatic choke opening structure of small petrol engine |
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| Publication Number | Publication Date |
|---|---|
| CN102297043A CN102297043A (en) | 2011-12-28 |
| CN102297043B true CN102297043B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110252620 Active CN102297043B (en) | 2011-08-30 | 2011-08-30 | Automatic choke opening structure of small petrol engine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777284A (en) * | 2012-07-17 | 2012-11-14 | 星月集团有限公司 | Automatic air door device for gasoline engine air filter |
| CN104533663B (en) * | 2014-12-22 | 2016-10-26 | 江苏苏美达五金工具有限公司 | Rotary valve type carburetor choke link gear |
| CN104564425B (en) * | 2014-12-26 | 2017-03-29 | 浙江崴光工贸有限公司 | A kind of throttle of miniature gasoline engine and choke linkage structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202280534U (en) * | 2011-08-30 | 2012-06-20 | 浙江亚特电器有限公司 | Automatic air choke structure for small-sized petrol engine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5857053A (en) * | 1981-09-30 | 1983-04-05 | Hitachi Ltd | Full automatic choke carburetor |
| JPS5879649A (en) * | 1981-11-06 | 1983-05-13 | Honda Motor Co Ltd | Controller of choke valve and throttle valve in carburetor |
| US6202989B1 (en) * | 1999-02-18 | 2001-03-20 | Walbro Corporation | Carburetor throttle and choke control mechanism |
| CN2929214Y (en) * | 2006-05-10 | 2007-08-01 | 吴银豹 | Automatic air door mechanism for four stroke internal combustion engine |
| CN201031743Y (en) * | 2007-04-24 | 2008-03-05 | 重庆宗申技术开发研究有限公司 | Gasoline engine impeller rotary type automatic wind-proof door mechanism |
| CN201351544Y (en) * | 2008-11-28 | 2009-11-25 | 重庆隆鑫机车有限公司 | Structure of gasoline engine choke valve |
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2011
- 2011-08-30 CN CN 201110252620 patent/CN102297043B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202280534U (en) * | 2011-08-30 | 2012-06-20 | 浙江亚特电器有限公司 | Automatic air choke structure for small-sized petrol engine |
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| CN102297043A (en) | 2011-12-28 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An automatic choke structure for small gasoline engine Effective date of registration: 20210316 Granted publication date: 20130213 Pledgee: China Co. truction Bank Corp Jiaxing branch Pledgor: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2021330000188 |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: Jiaxing City, Zhejiang province 314100 Nanhu District Yu Xin Zhen Industrial Zone North Water Road No. 1 Patentee before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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