CN203296956U - Carburetor and lower cover thereof - Google Patents
Carburetor and lower cover thereof Download PDFInfo
- Publication number
- CN203296956U CN203296956U CN2013202917533U CN201320291753U CN203296956U CN 203296956 U CN203296956 U CN 203296956U CN 2013202917533 U CN2013202917533 U CN 2013202917533U CN 201320291753 U CN201320291753 U CN 201320291753U CN 203296956 U CN203296956 U CN 203296956U
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- CN
- China
- Prior art keywords
- lower cover
- oil
- carburetor
- oil well
- feed
- Prior art date
- 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 - Lifetime
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a carburetor and a lower cover thereof. The carburetor comprises a carburetor body, a main oil well and the lower cover, wherein the main oil well is arranged on the carburetor body, the lower cover is installed on the carburetor body and is of an inward-concave shell structure provided with a containing cavity body, the containing cavity body serves as a float chamber of the carburetor, a connecting structure used for being connected with the carburetor body is arranged at the top end of the lower cover, a carburetor body connecting part is arranged on the carburetor body corresponding to the connecting structure, an oil drain hole blocked by a connecting piece is formed in the lower end of the lower cover, the connecting piece penetrates through the oil drain hole to be connected with the main oil well of the carburetor, an oil inlet passageway is formed in the connecting piece, an oil extraction passageway is formed in the wall of the main oil well, the oil extraction passageway is communicated with an oil path of the main oil well through the oil inlet passageway, and the bottom end of an oil inlet of the oil extraction passageway is flush with the bottom surface of an oil layer of the float chamber. According to the carburetor and the lower cover thereof, rotation of the lower cover is avoided, and oil is discharged directly from the bottom which is more convenient, safer and more complete.
Description
Technical field
The utility model relates to a kind of Carburetor, and particularly a kind of lower cover not there will be spin phenomenon and safer Carburetor and lower cover thereof.
Background technique
Referring to Figure 1A, 1B, Figure 1A is the carburetor structure schematic diagram of prior art, and Figure 1B is the A-A partial sectional view of Figure 1A.The lower cover 20 of existing Carburetor is to be connected with Carburetor body 10 by connecting bolt 30, and by oil discharge screw 40, drains the oil.The Carburetor of this structure easily spins when assembling lower cover 20, and it is unclean to drain the oil, and in the rear lower cover 20 of draining the oil, the residual a large amount of gasoline of meeting, affect the cleaning of Carburetor, thereby have influence on the working condition of Carburetor.
Prior art
10 Carburetor bodies
20 lower covers
30 connecting bolts
40 oil discharge screws
The utility model
1 body
11 body joints
12 body attachment holes
2 main oil wells
21 get oily path
3 lower covers
31 linkage structures
32 drain oils
33 lower cover attachment holes
34 cylinder parts
35 circular cone sections
36 first arc surfaces
37 second arc surfaces
38 stiffening ribs
4 float chambers
5 links
51 oil-feed paths
511 oil-feed cross-drilled holes
512 oil-feed straight holes
6 attachment screws
7 Sealings
The model utility content
Technical problem to be solved in the utility model is to provide a kind of lower cover and does not there will be spin phenomenon and safer Carburetor and lower cover thereof.
to achieve these goals, the utility model provides a kind of lower cover of Carburetor, be arranged on the body of Carburetor, described lower cover is one to have the indent shell construction of accommodating cavity, described accommodating cavity is the float chamber of described Carburetor, wherein, the top of described lower cover is provided with the linkage structure that is connected for described body, described body is provided with the body joint corresponding to described linkage structure, the bottom of described lower cover is provided with the drain oil by a connection piece shutoff, described link passes described drain oil and is connected with the main oil well of described Carburetor, be provided with the oil-feed path on described link, be provided with on the borehole wall of described main oil well and get oily path, describedly get oily path and be communicated with the oil circuit of described main oil well by described oil-feed path, the least significant end of the described filler opening of getting oily path is concordant with the oil reservoir bottom surface of described float chamber.
Above-mentioned lower cover, wherein, described linkage structure is one to be arranged on the flange of the outer, top of described lower cover, a plurality of lower cover attachment holes evenly are set on described flange, described body joint is the flange connector that arranges corresponding to described flange, is provided with the body attachment hole corresponding to described lower cover attachment hole on described flange connector.
Above-mentioned lower cover, wherein, described linkage structure is a plurality of boss that are evenly distributed on the outer, top of described lower cover, be respectively arranged with the lower cover attachment hole on described a plurality of boss, described body joint is the connection boss that arranges corresponding to described boss, is provided with the body attachment hole corresponding to described lower cover attachment hole on described connection boss.
Above-mentioned lower cover, wherein, described lower cover comprises cylinder part and circular cone section, described cylinder part and described circular cone section by the first arc surface be connected the arc surface smooth transition and be connected, described linkage structure is arranged on the top of described cylinder part, and described drain oil is arranged on the bottom surface of described circular cone section.
Above-mentioned lower cover, wherein, also evenly be provided with a plurality of stiffening ribs on the outer surface of described circular cone section.
Above-mentioned lower cover, wherein, described link is connecting bolt, described connecting bolt and described coaxial connection of main oil well, described oil-feed path comprises oil-feed cross-drilled hole and the oil-feed straight hole that interconnects, described oil-feed straight hole is coaxial to be arranged in described connecting bolt and to be positioned at the threaded end of described connecting bolt and with the oil circuit of described main oil well, to be communicated with, the described oil-feed cross-drilled hole described oil-feed straight hole of connection and describedly get oily path.
Above-mentioned lower cover, wherein, described lower cover is connected with described body by attachment screw, and described lower cover attachment hole and described body attachment hole are the tapped hole adaptive with described attachment screw.
Above-mentioned lower cover, wherein, described lower cover is plastics once-through part, stainless steel part or aluminium alloy material materials and parts.
Above-mentioned lower cover, wherein, also be provided with Sealing between described link and described lower cover.
In order to realize better above-mentioned purpose, the utility model also provides a kind of Carburetor, comprises the body of Carburetor, main oil well and lower cover, and described main oil well is arranged on described body, and wherein, described lower cover is above-mentioned lower cover.
Technique effect of the present utility model is:
The utility model is fixed on lower cover on the Carburetor body by linkage structure, and lower cover not there will be the phenomenon and safer of spinning; Link not only can connect lower cover and body, but also plays a part oil-feed, drains the oil, and makes this Carburetor directly from bottom, drain the oil convenient, thorough.This Carburetor has the structure of dryouting in addition, namely need not to drain the oil directly that the gasoline afterburnt in lower cover is flame-out, need not to unscrew oil discharge screw by craft again and carries out Oil drain operation.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Description of drawings
Figure 1A is the carburetor structure schematic diagram of prior art;
Figure 1B is the A-A partial sectional view of Figure 1A;
Fig. 2 A is the utility model one embodiment's carburetor structure schematic diagram;
Fig. 2 B is the B-B partial sectional view of Fig. 2 A;
Fig. 2 C is the worm's eye view of Fig. 2 A;
Fig. 3 A is the utility model one embodiment's lower cover structure schematic diagram;
Fig. 3 B is the C-C sectional view of Fig. 3 A;
Fig. 4 is the utility model one embodiment's body structure schematic diagram.
Wherein, reference character
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and working principle are described in detail:
Referring to Fig. 2 A-2C, Fig. 2 A is the utility model one embodiment's carburetor structure schematic diagram, and Fig. 2 B is the B-B partial sectional view of Fig. 2 A, and Fig. 2 C is the worm's eye view of Fig. 2 A.Carburetor of the present utility model, the body 1, main oil well 2 and the lower cover 3 that comprise Carburetor, described main oil well 2 is arranged on described body 1, because working principle of structure, function, mutual alignment relation and annexation and the Carburetor of these other parts of Carburetor etc. is more ripe prior art, and therefore not to repeat here, below only lower cover 3 of the present utility model described in detail.
Referring to Fig. 3 A-Fig. 4, Fig. 3 A is the utility model one embodiment's lower cover structure schematic diagram, and Fig. 3 B is the C-C sectional view of Fig. 3 A, and Fig. 4 is the utility model one embodiment's body structure schematic diagram.lower cover 3 of the present utility model, be arranged on the body 1 of Carburetor, described lower cover 3 is one to have the indent shell construction of accommodating cavity, the float chamber 4 that described accommodating cavity is described Carburetor, the top of described lower cover 3 is provided with the linkage structure 31 that is connected for described body 1, described body 1 is provided with body joint 11(referring to Fig. 4 corresponding to described linkage structure 31), the bottom of described lower cover 3 is provided with the drain oil 32 by a connection piece 5 shutoff, described link 5 passes described drain oil 32 and is connected with the main oil well 2 of described Carburetor, be provided with oil-feed path 51 on described link 5, be provided with on the borehole wall of described main oil well 2 and get oily path 21, describedly get oily path 21 and be communicated with the oil circuit of described main oil well 2 by described oil-feed path 51, the least significant end of the described filler opening of getting oily path 21 is concordant with the oil reservoir bottom surface of described float chamber 4.Also can be provided with Sealing 7 between described link 5 and described lower cover 3.Described lower cover 3 can be plastics once-through part, stainless steel part or aluminium alloy material materials and parts.Lower plastic cover can be antirust, is difficult for being corroded.
In the present embodiment, described linkage structure 31 can be a flange that is arranged on the outer, top of described lower cover 3, a plurality of lower cover attachment holes 33 evenly are set on described flange, described body joint 11 is the flange connector that arranges corresponding to described flange, is provided with body attachment hole 12 corresponding to described lower cover attachment hole 33 on described flange connector.Perhaps, described linkage structure 31 also can be a plurality of boss (referring to Fig. 3 A) of the outer, top that is evenly distributed on described lower cover 3, be respectively arranged with lower cover attachment hole 33 on described a plurality of boss, described body joint 11 is the connection boss (referring to Fig. 4) that arranges corresponding to described boss, is provided with body attachment hole 12 corresponding to described lower cover attachment hole 33 on described connection boss.Wherein, described lower cover 3 preferably is fixed on lower cover 2 on Carburetor body 1 by four attachment screws 6, and described lower cover attachment hole 33 and described body attachment hole 12 are the tapped hole adaptive with described attachment screw 6.The body attachment hole 12 of body 1 coordinates higher validity will be arranged with lower cover attachment hole 33, otherwise can affect the assembling of lower cover 3.
In the present embodiment, described lower cover 3 can comprise cylinder part 34 and circular cone section 35, described cylinder part 34 and described circular cone section 35 by the first arc surface 36 be connected arc surface 37 smooth transition and be connected, described linkage structure 31 is arranged on the top of described cylinder part 34, and described drain oil 32 is arranged on the bottom surface of described circular cone section 35.Wherein, also a plurality of stiffening ribs 38 can be set evenly on the outer surface of described circular cone section 35.In the present embodiment, be preferably 4 stiffening ribs 38 are set symmetrically.
Wherein, described link 5 is preferably connecting bolt, described connecting bolt and described main coaxial connection of oil well 2, described oil-feed path 51 comprises oil-feed cross-drilled hole 511 and the oil-feed straight hole 512 that interconnects, described oil-feed straight hole 512 is coaxial to be arranged in described connecting bolt and to be positioned at the threaded end of described connecting bolt and with the oil circuit of described main oil well 2, to be communicated with, and described oil-feed cross-drilled hole 511 is communicated with described oil-feed straight holes 512 and describedly gets oily path 21.
This Carburetor has the function of dryouting in addition, namely need not to drain the oil directly that the gasoline afterburnt in lower cover 3 is flame-out, and the client need not to unscrew oil discharge screw by craft again and carries out Oil drain operation.after the user uses motor and confirm that motor will place while not re-using for a long time, as snowplow, the seasonal product such as microtilling machine, can turn off the oil switch (not shown) on the body 1 that is arranged on Carburetor this moment, oil inlet hole one end of oil switch is connected with oil inlet pipe, oil outlet one end is connected with the oil-feed system of body 1, after closing oil switch, the blocking-up fuel oil enters the inner chamber of float chamber 4 again, stop the supply engine fuel oil, then allow engine running a period of time, engine chamber is in the acting process, the to-and-fro motion of piston makes in firing chamber and produces negative pressure and be passed to by intake manifold in the Venturi tube of Carburetor, again by being arranged on the main jet pipe on main oil well 2, described main jet pipe is fitted in the wellhole of main oil well 2, its front end spout exposes in the Venturi tube of Carburetor, the lower end of described main jet pipe is connecting main jet, this main jet is by being close in the wellhole that is screwed at main oil well 2 and with the main jet pipe, described negative pressure is again by being arranged on the oil-feed path 51 in connecting bolt, finally by being arranged on the trapped fuel that oily path 21 is drawn in float chamber 4 of getting on main oil well 2, as everyone knows, the inside of float chamber 4 communicates with outside atmosphere by equalizing orifice, effect due to atmospheric pressure and motor negative pressure, trapped fuel in float chamber 4 can be blotted fully and burn clean, the user need not to unscrew oil-draining screw by craft again and carries out Oil drain operation.
The utility model is fixed on lower cover on the Carburetor body by linkage structure, lower cover not there will be the phenomenon and safer of spinning, connecting bolt not only connects lower cover and body, and its oil-feed path also plays a part oil-feed or drains the oil (while draining the oil, can directly unscrew connecting bolt, make the trapped fuel in float chamber discharge and get final product by the oil-feed cross-drilled hole of getting oily path and connecting bolt), make this Carburetor directly from bottom, drain the oil convenient, thorough.This Carburetor has the structure of dryouting in addition, namely need not to drain the oil directly that the gasoline afterburnt in lower cover is flame-out, need not to unscrew oil discharge screw by craft again and carries out Oil drain operation.
Certainly; the utility model also can have other various embodiments; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. the lower cover of a Carburetor, be arranged on the body of Carburetor, described lower cover is one to have the indent shell construction of accommodating cavity, described accommodating cavity is the float chamber of described Carburetor, it is characterized in that, the top of described lower cover is provided with the linkage structure that is connected for described body, described body is provided with the body joint corresponding to described linkage structure, the bottom of described lower cover is provided with the drain oil by a connection piece shutoff, described link passes described drain oil and is connected with the main oil well of described Carburetor, be provided with the oil-feed path on described link, be provided with on the borehole wall of described main oil well and get oily path, describedly get oily path and be communicated with the oil circuit of described main oil well by described oil-feed path, the least significant end of the described filler opening of getting oily path is concordant with the oil reservoir bottom surface of described float chamber.
2. lower cover as claimed in claim 1, it is characterized in that, described linkage structure is one to be arranged on the flange of the outer, top of described lower cover, a plurality of lower cover attachment holes evenly are set on described flange, described body joint is the flange connector that arranges corresponding to described flange, is provided with the body attachment hole corresponding to described lower cover attachment hole on described flange connector.
3. lower cover as claimed in claim 1, it is characterized in that, described linkage structure is a plurality of boss that are evenly distributed on the outer, top of described lower cover, be respectively arranged with the lower cover attachment hole on described a plurality of boss, described body joint is the connection boss that arranges corresponding to described boss, is provided with the body attachment hole corresponding to described lower cover attachment hole on described connection boss.
4. as claim 1,2 or 3 described lower covers, it is characterized in that, described lower cover comprises cylinder part and circular cone section, described cylinder part and described circular cone section by the first arc surface be connected the arc surface smooth transition and be connected, described linkage structure is arranged on the top of described cylinder part, and described drain oil is arranged on the bottom surface of described circular cone section.
5. lower cover as claimed in claim 4, is characterized in that, also evenly is provided with a plurality of stiffening ribs on the outer surface of described circular cone section.
6. as claim 1,2,3 or 5 described lower covers, it is characterized in that, described link is connecting bolt, described connecting bolt and described coaxial connection of main oil well, described oil-feed path comprises oil-feed cross-drilled hole and the oil-feed straight hole that interconnects, described oil-feed straight hole is coaxial to be arranged in described connecting bolt and to be positioned at the threaded end of described connecting bolt and with the oil circuit of described main oil well, to be communicated with, the described oil-feed cross-drilled hole described oil-feed straight hole of connection and describedly get oily path.
7. lower cover as claimed in claim 2 or claim 3, is characterized in that, described lower cover is connected with described body by attachment screw, and described lower cover attachment hole and described body attachment hole are the tapped hole adaptive with described attachment screw.
8., as claim 1,2,3 or 5 described lower covers, it is characterized in that, described lower cover is plastics once-through part, stainless steel part or aluminium alloy material materials and parts.
9., as claim 1,2,3 or 5 described lower covers, it is characterized in that, also be provided with Sealing between described link and described lower cover.
10. a Carburetor, comprise the body of Carburetor, main oil well and lower cover, and described main oil well is arranged on described body, it is characterized in that, described lower cover is the described lower cover of any one in the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202917533U CN203296956U (en) | 2013-05-24 | 2013-05-24 | Carburetor and lower cover thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202917533U CN203296956U (en) | 2013-05-24 | 2013-05-24 | Carburetor and lower cover thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203296956U true CN203296956U (en) | 2013-11-20 |
Family
ID=49572970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202917533U Expired - Lifetime CN203296956U (en) | 2013-05-24 | 2013-05-24 | Carburetor and lower cover thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203296956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179597A (en) * | 2013-05-24 | 2014-12-03 | 陈俭敏 | Carburetor and lower cover thereof |
-
2013
- 2013-05-24 CN CN2013202917533U patent/CN203296956U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179597A (en) * | 2013-05-24 | 2014-12-03 | 陈俭敏 | Carburetor and lower cover thereof |
| CN104179597B (en) * | 2013-05-24 | 2017-07-04 | 陈俭敏 | A kind of carburetor and its lower cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUAYI ELECTROMECHANICAL Co.,Ltd. Assignor: Chen Jianmin|Xu Xiaoping Contract record no.: 2014350000013 Denomination of utility model: Carburetor and lower cover thereof Granted publication date: 20131120 License type: Exclusive License Record date: 20140211 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |