CN201723334U - Carburetor and glue head needle valve thereof - Google Patents
Carburetor and glue head needle valve thereof Download PDFInfo
- Publication number
- CN201723334U CN201723334U CN2010202074327U CN201020207432U CN201723334U CN 201723334 U CN201723334 U CN 201723334U CN 2010202074327 U CN2010202074327 U CN 2010202074327U CN 201020207432 U CN201020207432 U CN 201020207432U CN 201723334 U CN201723334 U CN 201723334U
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- China
- Prior art keywords
- coating
- valve
- cylinder
- rubber end
- glue
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- Expired - Lifetime
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Abstract
The utility model relates to a carburetor and a glue head needle valve thereof. The carburetor comprises a carburetor body and the glue head needle valve, wherein the carburetor body is provided with a needle valve hole, the glue head needle valve is arranged in the needle valve hole, and comprises a valve seat, a needle valve rod and a rubber head, the rubber head is in a cone structure, and is coaxially connected on the needle valve rod, the diameter of a connecting part of the needle valve rod and the rubber head is the same as that of the bottom part of the rubber head, the needle valve seat is provided with the needle valve seat hole penetrated through the needle valve seat, the rubber head is abutted against the needle valve seat hole, and the glue head needle valve also comprises a coating which is coated on the outer surface of the rubber head. The utility model adds the coating on the rubber head of the glue head needle valve, improves the sealing performance, and solves the problem of difficult opening of the needle valve after long-time placement in the prior art.
Description
Technical field
The utility model relates to a kind of component of petrol engine, particularly a kind of Carburetor and glue scalp acupuncture valve thereof.
Background technique
Now in the Carburetor that uses on the general gasoline engines, all be to adopt glue scalp acupuncture valve, but in actual use, for guaranteeing the sealing of pintle nozzle match-ing parts, the surface of needle-valve glue head and pintle valve seat is all extremely smooth, can occur anterior glue head of needle-valve and pintle valve seat after the long-time placement of Carburetor and occur because of the stubborn situation of molecular force viscous needle-valve.The patent No. is " ZL200520023066.9 ", name is called the Chinese utility application of " a kind of Carburetor ", and application number is " 03101204.3 ", name is called the Chinese invention patent application of " valve mechanism of carbureter needle ", all there are the problems referred to above in wherein disclosed needle valve structure.
The model utility content
Technical problem to be solved in the utility model provides a kind of Carburetor and glue scalp acupuncture valve thereof, to solve the long-time stubborn problem of back needle-valve of placing in the prior art.
To achieve these goals, the utility model provides a kind of glue scalp acupuncture valve of Carburetor, be arranged in the body of described Carburetor, comprise pintle valve seat, Needle shaft and Rubber end, wherein, described Rubber end is a conical structure, described Rubber end is coaxial to be connected on the described Needle shaft, described pintle valve seat is provided with the pintle valve seat hole that connects this pintle valve seat, described Rubber end and described pintle valve seat hole are adaptive, described glue scalp acupuncture valve comprises that also one has the coating of rubber compatibility, and described coating is coated on the outer surface of described Rubber end.
Above-mentioned glue scalp acupuncture valve, wherein, described coating is the coating of molybdenum disulfide powder coating.
Above-mentioned glue scalp acupuncture valve, wherein, described coating is the coating of nano titanium powder coating.
Above-mentioned glue scalp acupuncture valve, wherein, described Needle shaft comprises the coaxial in turn needle-valve handle that connects as one, attachment post, first cylinder and second cylinder, the diameter of described second cylinder is less than described first cylinder, the bottom surface diameter of described Rubber end is identical with the diameter of described second cylinder, also is provided with the conical head that is used to connect described Rubber end on the described second cylinder top.
Above-mentioned glue scalp acupuncture valve, wherein, the joint of described conical head and described second cylinder also is provided with groove, and described Rubber end is fastened on described conical head by this groove.
In order to realize above-mentioned purpose better, the present invention also provides a kind of Carburetor, comprise Carburetor body and glue scalp acupuncture valve, described Carburetor body is provided with needle valve hole, described glue scalp acupuncture valve is arranged in the described needle valve hole, described glue scalp acupuncture valve comprises pintle valve seat, Needle shaft and Rubber end, wherein, described Rubber end is a conical structure, described Rubber end is coaxial to be connected on the described Needle shaft, and described pintle valve seat is provided with the pintle valve seat hole that connects this pintle valve seat, and described Rubber end and described pintle valve seat hole are adaptive, described glue scalp acupuncture valve comprises that also one has the coating of rubber compatibility, and described coating is coated on the outer surface of described Rubber end.
Above-mentioned Carburetor, wherein, described coating is the coating of molybdenum disulfide powder coating.
Above-mentioned Carburetor, wherein, described coating is the coating of nano titanium powder coating.
Above-mentioned Carburetor, wherein, described Needle shaft comprises the coaxial in turn needle-valve handle that connects as one, attachment post, first cylinder and second cylinder, the diameter of described second cylinder is less than described first cylinder, the bottom surface diameter of described Rubber end is identical with the diameter of described second cylinder, also is provided with the conical head that is used to connect described Rubber end on the described second cylinder top.
Above-mentioned Carburetor, wherein, the joint of described conical head and described second cylinder also is provided with groove, and described Rubber end is fastened on described conical head by this groove.
Beneficial functional of the present utility model is: glue scalp acupuncture valve of the present utility model has increased coating on the Rubber end of needle-valve, because this coating has good dispersion, non-caked, antifriction, the advantage that the rubber affinity is good, and can fill the microcosmic injustice of needle-valve glue head surface, thereby improved the sealing that Needle shaft cooperates with pintle valve seat, make the molecular force of Rubber end and pintle valve seat reduce, and can improve sealability, solved the long-time stubborn problem of back needle-valve of placing in the prior art.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is a Carburetor partial structurtes schematic representation of the present utility model;
Fig. 2 is a needle valve structure schematic representation of the present utility model.
Wherein, reference character
1 Carburetor body
11 needle valve holes
2 glue scalp acupuncture valves
21 pintle valve seats
211 pintle valve seat holes
22 Needle shafts
221 conical head
222 needle-valve handles
223 attachment posts
224 first cylinders
225 second cylinders
226 grooves
23 Rubber ends
24 coatings
25 needle-valve rocking arms
26 needle-valve pitman arm shafts
27 needle valve springs
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and working principle are done concrete description:
Referring to Fig. 1 and Fig. 2, Fig. 1 is a Carburetor partial structurtes schematic representation of the present utility model, and Fig. 2 is a needle valve structure schematic representation of the present utility model.Carburetor of the present utility model, comprise Carburetor body 1 and glue scalp acupuncture valve 2, described Carburetor body 1 is provided with needle valve hole 11, described glue scalp acupuncture valve 2 is arranged in the described needle valve hole 11, described glue scalp acupuncture valve 2 comprises pintle valve seat 21, Needle shaft 22 and Rubber end 23, described Rubber end 23 is a conical structure, described Rubber end 23 coaxial being connected on the described Needle shaft 22, described pintle valve seat 21 is provided with the pintle valve seat hole 211 that connects this pintle valve seat 21, described Rubber end 23 is adaptive with described pintle valve seat hole 211, described glue scalp acupuncture valve 2 comprises that also one has the coating 24 of rubber compatibility, and described coating 24 is coated on the outer surface of described Rubber end 23.
In the present embodiment, the coating that described coating 24 can be the coating of molybdenum disulfide powder coating or applies for nano titanium powder, because the molybdenum disulfide powder has good dispersion, advantage such as non-caked, antifriction, rubber affinity are good, and because of the particle of molybdenum disulfide powder of coating minimum, can filled rubber the microcosmic injustice on head 23 surfaces, thereby improved the sealing that Rubber end 23 cooperates with pintle valve seat 21, so the utility model preferably this coating 24 be the coating that the molybdenum disulfide powder applies.
In the present embodiment, described Needle shaft 22 comprises the coaxial in turn needle-valve handle 222 that connects as one, attachment post 223, first cylinder 224, second cylinder 225, the diameter of described second cylinder 225 is less than described first cylinder 224, the diameter of described second cylinder 225 is identical with the base diameter of described Rubber end 23, also is provided with the conical head 221 that is used to connect described Rubber end 23 on the top of described second cylinder 225.
In order to make connection more reliable, can groove 226 be set in the joint of described conical head 221 and described second cylinder 225, described Rubber end 23 is fastened on the described conical head 221 by this groove 226.
When Carburetor of the present utility model is worked, the Needle shaft 22 of this glue scalp acupuncture valve 2 can freely move up and down with respect to pintle valve seat 21, oil in entering Carburetor is to a certain amount of the time, Needle shaft 22 can slowly seal with pintle valve seat 21 by Rubber end 23, when Carburetor is worked, Needle shaft 22 can be with the switching degree of how much utilizing needle-valve rocking arm 25, needle-valve pitman arm shaft 26 and needle valve spring 27 automatic adjustings and pintle valve seat 21 of oil in the Carburetor, the assurance oil-feed is smooth and easy, satisfies the Carburetor requirements of one's work.
Carburetor of the present utility model has increased coating 24 on the Rubber end 23 of its glue scalp acupuncture valve 2, because this coating 24 has good dispersion, non-caked, antifriction, the advantage that the rubber affinity is good, and the microcosmic injustice on energy filled rubber head 23 surfaces, thereby improved the sealing that Needle shaft 22 cooperates with pintle valve seat 21, make the Rubber end 23 of glue scalp acupuncture valve 2 and the molecular force of pintle valve seat 21 reduce, and can improve sealability, solved the long-time stubborn problem of back needle-valve of placing in the prior art.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make 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 glue scalp acupuncture valve of a Carburetor, be arranged in the body of described Carburetor, comprise pintle valve seat, Needle shaft and Rubber end, it is characterized in that described Rubber end is a conical structure, described Rubber end is coaxial to be connected on the described Needle shaft, described pintle valve seat is provided with the pintle valve seat hole that connects this pintle valve seat, described Rubber end and described pintle valve seat hole are adaptive, and described glue scalp acupuncture valve comprises that also one has the coating of rubber compatibility, and described coating is coated on the outer surface of described Rubber end.
2. glue scalp acupuncture valve as claimed in claim 1 is characterized in that, described coating is the coating of molybdenum disulfide powder coating.
3. glue scalp acupuncture valve as claimed in claim 1 is characterized in that, described coating is the coating of nano titanium powder coating.
4. as claim 1,2 or 3 described glue scalp acupuncture valves, it is characterized in that, described Needle shaft comprises the coaxial in turn needle-valve handle that connects as one, attachment post, first cylinder and second cylinder, the diameter of described second cylinder is less than described first cylinder, the bottom surface diameter of described Rubber end is identical with the diameter of described second cylinder, also is provided with the conical head that is used to connect described Rubber end on the described second cylinder top.
5. glue scalp acupuncture valve as claimed in claim 4 is characterized in that the joint of described conical head and described second cylinder also is provided with groove, and described Rubber end is fastened on described conical head by this groove.
6. Carburetor, comprise Carburetor body and glue scalp acupuncture valve, described Carburetor body is provided with needle valve hole, described glue scalp acupuncture valve is arranged in the described needle valve hole, described glue scalp acupuncture valve comprises pintle valve seat, Needle shaft and Rubber end, it is characterized in that, described Rubber end is a conical structure, described Rubber end is coaxial to be connected on the described Needle shaft, described pintle valve seat is provided with the pintle valve seat hole that connects this pintle valve seat, described Rubber end and described pintle valve seat hole are adaptive, and described glue scalp acupuncture valve comprises that also one has the coating of rubber compatibility, and described coating is coated on the outer surface of described Rubber end.
7. Carburetor as claimed in claim 6 is characterized in that, described coating is the coating of molybdenum disulfide powder coating.
8. Carburetor as claimed in claim 6 is characterized in that, described coating is the coating of nano titanium powder coating.
9. as claim 6,7 or 8 described Carburetors, it is characterized in that, described Needle shaft comprises the coaxial in turn needle-valve handle that connects as one, attachment post, first cylinder and second cylinder, the diameter of described second cylinder is less than described first cylinder, the bottom surface diameter of described Rubber end is identical with the diameter of described second cylinder, also is provided with the conical head that is used to connect described Rubber end on the described second cylinder top.
10. Carburetor as claimed in claim 9 is characterized in that, the joint of described conical head and described second cylinder also is provided with groove, and described Rubber end is fastened on described conical head by this groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202074327U CN201723334U (en) | 2010-05-20 | 2010-05-20 | Carburetor and glue head needle valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202074327U CN201723334U (en) | 2010-05-20 | 2010-05-20 | Carburetor and glue head needle valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201723334U true CN201723334U (en) | 2011-01-26 |
Family
ID=43491653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202074327U Expired - Lifetime CN201723334U (en) | 2010-05-20 | 2010-05-20 | Carburetor and glue head needle valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201723334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286015A (en) * | 2016-10-14 | 2017-01-04 | 薛美英 | Dual-fuel carburetor |
-
2010
- 2010-05-20 CN CN2010202074327U patent/CN201723334U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286015A (en) * | 2016-10-14 | 2017-01-04 | 薛美英 | Dual-fuel carburetor |
| CN106286015B (en) * | 2016-10-14 | 2018-12-11 | 薛美英 | Dual-fuel carburetor |
| US10544756B2 (en) | 2016-10-14 | 2020-01-28 | Meiying Xue | Dual fuel carburetor |
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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: Fuding Huayi motorcycle parts factory Assignor: Chen Jianmin Contract record no.: 2012350000054 Denomination of utility model: Carburetor and glue head needle valve thereof Granted publication date: 20110126 License type: Exclusive License Record date: 20120503 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |
|
| CX01 | Expiry of patent term |