CN201786482U - Carburetor and needle valve thereof - Google Patents
Carburetor and needle valve thereof Download PDFInfo
- Publication number
- CN201786482U CN201786482U CN2010205171225U CN201020517122U CN201786482U CN 201786482 U CN201786482 U CN 201786482U CN 2010205171225 U CN2010205171225 U CN 2010205171225U CN 201020517122 U CN201020517122 U CN 201020517122U CN 201786482 U CN201786482 U CN 201786482U
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- CN
- China
- Prior art keywords
- needle
- valve
- carburetor
- valve body
- needle valve
- 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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Abstract
The utility model discloses a carburetor and a needle valve thereof. The carburetor comprises a carburetor body and a needle valve, wherein, a needle valve hole is formed on the carburetor body; the needle valve is arranged in the needle valve hole; the needle valve comprises a needle valve seat, a needle valve body and a rubber head; the rubber head is coaxially mounted at the end part of the needle valve body; the needle valve body is mounted on the needle valve seat; a needle valve seat hole penetrating the needle valve seat is formed on the needle valve seat; the rubber head is matched with the needle valve seat hole; and the needle valve body comprises a cladding structure, and the cladding wraps the outer surface of the needle valve body. The carburetor and needle valve thereof have the advantages that the shape of the needle valve is simple, the dead angle difficult for treating is avoided during surface treatment, and the corrosion-resistant ability is greatly improved.
Description
Technical field
The utility model relates to a kind of component of petrol engine, particularly a kind of Carburetor and novel needle-valve thereof.
Background technique
Needle-valve is the important spare part of Carburetor oil-feed system, now in the Carburetor that uses on the general gasoline engines, all be to adopt glue scalp acupuncture valve, referring to Fig. 1, Fig. 1 is the needle valve structure schematic representation of prior art, and needle-valve is made up of needle-valve body 10 and Rubber end 20, needle-valve body 10 plays guiding in pintle valve seat, Rubber end 20 seals, because its long period of soaking in gasoline, therefore has very high requirement to its corrosion resistance.This needle-valve body 10 is complex-shaped, and material is an aluminium section bar, handles even (nickel plating, chromium plating etc.) are carried out on needle-valve body 10 surfaces, also can occur handling incomplete " dead angle "; The Rubber end 20 general fluorine rubber that adopt good corrosion resistance.As seen from Figure 1, the corner and the wedge angle of this needle-valve body 10 are too much, and these places can not fine processing when often just having become surface treatment " dead angle ", in use, these places are easily by gasoline corrosion, and it is coarse that the surface of needle-valve slowly becomes, cause needle-valve catching phenomenon to occur in when work and pintle valve seat, and have small corrosion thing to come off to enter in the oil-feed system, thereby stop up Carburetor, make its cisco unity malfunction.In addition, even needle-valve body corner transition slyness is carried out good nickel plating or chromium plating processing to the surface, test shows that this needle-valve can not satisfy the good anti-corrosion requirement.Test in production practices, the anti-neutral salt spray test time of the needle-valve of aluminium section bar Nickel Plating Treatment is 24h, and the ethanol petrol resistant time is 72h; The anti-neutral salt spray test time of needle-valve that aluminium section bar chromium plating is handled is 72h, and the ethanol petrol resistant time is 48h.All can not satisfy the usage requirement of needle-valve.For example 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 ", wherein disclosed needle valve structure, complex-shaped, corrosion resistance and ethanol petrol resistant are poor, in long-term the use corrosion phenomenon can take place, influence Carburetor and normally use.
The model utility content
Technical problem to be solved in the utility model provides a kind of Carburetor and needle-valve thereof, and the problem with the needle-valve corrosion resistance difference that solves prior art guarantees the corrosion resistance requirement of needle-valve.
To achieve these goals, the utility model provides a kind of needle-valve of Carburetor, be arranged in the body of Carburetor, comprise pintle valve seat, needle-valve body and Rubber end, wherein, the coaxial end that is installed in described needle-valve body of described Rubber end, described needle-valve body is installed on the described pintle valve seat, 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 needle-valve body comprises a coating structure, and described coating is coated on the described needle-valve body outer surface.
Above-mentioned needle-valve, wherein, described needle-valve body is a prism structure, is provided with the transition cambered surface between the adjacent plane of described prism.
Above-mentioned needle-valve, wherein, described needle-valve body is four-prism structure or regular triangular prism structure.
Above-mentioned needle-valve, wherein, described needle-valve body is copper material spare or working of plastics.
Above-mentioned needle-valve, wherein, described coating is nickeling layer or chromium coating.
In order to realize above-mentioned purpose better, the utility model also provides a kind of Carburetor, comprise Carburetor body and needle-valve, described Carburetor body is provided with needle valve hole, described needle-valve is arranged in the described needle valve hole, described needle-valve comprises pintle valve seat, needle-valve body and Rubber end, wherein, the coaxial end that is installed in described needle-valve body of described Rubber end, described needle-valve body is installed on the described pintle valve seat, 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 needle-valve body comprises a coating structure, and described coating is coated on the described needle-valve body outer surface.
Above-mentioned Carburetor, wherein, described needle-valve body is a prism structure, is provided with the transition cambered surface between the adjacent plane of described prism.
Above-mentioned Carburetor, wherein, described needle-valve body is four-prism structure or regular triangular prism structure.
Above-mentioned Carburetor, wherein, described needle-valve body is copper material spare or working of plastics.
Above-mentioned Carburetor, wherein, described coating is nickeling layer or chromium coating.
Beneficial functional of the present utility model is:
Needle-valve of the present utility model improves the material of needle-valve body, and Nickel Plating Treatment is carried out on the surface.The shape and structure of this needle-valve is simple, is beneficial to plating nickel on surface and handles, and occurs unmanageable " dead angle " when having avoided surface treatment, has improved its corrosion resistance greatly.Simultaneously, test shows that needle-valve body adopts the copper Nickel Plating Treatment, has good anti-corrosion, and after tested, its anti-neutral salt spray test time surpasses 125h, and the ethanol petrol resistant time surpasses 1000h, satisfies its usage requirement fully.
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 the needle valve structure schematic representation of prior art;
Fig. 2 is the utility model one embodiment's a Carburetor partial structurtes schematic representation;
Fig. 3 is the utility model one embodiment's a needle valve structure schematic representation;
Fig. 4 is the another embodiment's of the utility model a needle valve structure schematic representation;
Fig. 5 is a needle-valve working principle schematic representation of the present utility model.
Wherein, reference character
Prior art
10 needle-valve bodies, 20 Rubber ends
The utility model
1 Carburetor body
11 needle valve holes
2 needle-valves
21 pintle valve seats
211 pintle valve seat holes
22 needle-valve bodies
221 circular cone heads, 222 needle-valve handles
223 attachment posts, 224 needle-valve cylinders
225 coatings, 226 transition cambered surfaces
23 Rubber ends
24 needle-valve rocking arms
25 needle-valve pitman arm shafts
26 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. 2, Fig. 2 is the utility model one embodiment's a Carburetor partial structurtes schematic representation.Carburetor of the present utility model, comprise Carburetor body 1 and needle-valve 2, described Carburetor body 1 is provided with needle valve hole 11, described needle-valve 2 is arranged in the described needle valve hole 11, described needle-valve 2 comprises pintle valve seat 21, needle-valve body 22 and Rubber end 23, the described Rubber end 23 coaxial ends that are installed in described needle-valve body 22, described needle-valve body 22 is installed on the described pintle valve seat 21, 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 needle-valve body 22 comprises a coating 225 structures, and described coating 225 is coated on described needle-valve body 22 outer surfaces.Described coating 225 can be nickeling layer or chromium coating.Preferred this coating 225 is nickeling layer in the present embodiment.
Referring to Fig. 3 and Fig. 4, Fig. 3 is the utility model one embodiment's a needle valve structure schematic representation, and Fig. 4 is the another embodiment's of the utility model a needle valve structure schematic representation.In the present embodiment, described needle-valve body 22 comprises the coaxial in turn needle-valve handle 222 that connects as one, attachment post 223, needle-valve cylinder 224, also is provided with the circular cone head 221 that is used to connect described Rubber end 23 on the top of described needle-valve cylinder 224.Described needle-valve body 22 can be copper material spare or working of plastics.Described needle-valve body 22 is a prism structure, be provided with transition cambered surface 226 between the adjacent plane of described prism, to reduce the dead angle, improving service behaviour, satisfying under the prerequisite of service behaviour, can be multiple prism structure, this is not limited, but take all factors into consideration factors such as processing technology, manufacture cost and technical performance, described needle-valve body 22 can be preferably four-prism structure (referring to Fig. 3), or is preferably regular triangular prism structure (referring to Fig. 4).
Referring to Fig. 5, Fig. 5 is a needle-valve working principle schematic representation of the present utility model.As shown in the figure, needle-valve body 22 cooperates with pintle valve seat 21 and controls the Carburetor oil-feed.Needle-valve body 22 can freely move up and down for 21 li at pintle valve seat, oil in entering Carburetor (direction of arrow is the oil-feed direction among the figure) to a certain amount of the time, needle-valve body 22 can slowly seal with pintle valve seat 21 by Rubber end 23, when Carburetor is worked, needle-valve body 22 can be with the switching degree of how much utilizing needle-valve rocking arm 24, needle-valve pitman arm shaft 25 and needle valve spring 26 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.
Needle-valve 2 of the present utility model improves the material of needle-valve body 22, and nickel plating is carried out on the surface or chromium plating is handled, and needle-valve body 22 chrome-faceds of preferably copper saw lumber materials and parts are handled, and promptly the outer surface at copper material spare coats one deck chromium coating.As seen from the figure, the shape and structure of this needle-valve 2 is simple, adopts the structure of regular prism and transition cambered surface, is beneficial to plating nickel on surface and handles, and occurs unmanageable " dead angle " when having avoided surface treatment, has improved its corrosion resistance greatly.Simultaneously, test shows that needle-valve body 22 adopts the copper Nickel Plating Treatment, has good anti-corrosion, and after tested, its anti-neutral salt spray test time surpasses 125h, and the ethanol petrol resistant time surpasses 1000h, satisfies its usage requirement fully.
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 needle-valve of a Carburetor, be arranged in the body of Carburetor, comprise pintle valve seat, needle-valve body and Rubber end, it is characterized in that, the coaxial end that is installed in described needle-valve body of described Rubber end, described needle-valve body is installed on the described pintle valve seat, 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 needle-valve body comprises a coating structure, and described coating is coated on the described needle-valve body outer surface.
2. needle-valve as claimed in claim 1 is characterized in that, described needle-valve body is a prism structure, is provided with the transition cambered surface between the adjacent plane of described prism.
3. needle-valve as claimed in claim 2 is characterized in that, described needle-valve body is four-prism structure or regular triangular prism structure.
4. as claim 1,2 or 3 described needle-valves, it is characterized in that described needle-valve body is copper material spare or working of plastics.
5. needle-valve as claimed in claim 4 is characterized in that, described coating is nickeling layer or chromium coating.
6. Carburetor, comprise Carburetor body and needle-valve, described Carburetor body is provided with needle valve hole, described needle-valve is arranged in the described needle valve hole, described needle-valve comprises pintle valve seat, needle-valve body and Rubber end, it is characterized in that, the coaxial end that is installed in described needle-valve body of described Rubber end, described needle-valve body is installed on the described pintle valve seat, 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 needle-valve body comprises a coating structure, and described coating is coated on the described needle-valve body outer surface.
7. Carburetor as claimed in claim 6 is characterized in that, described needle-valve body is a prism structure, is provided with the transition cambered surface between the adjacent plane of described prism.
8. Carburetor as claimed in claim 7 is characterized in that, described needle-valve body is four-prism structure or regular triangular prism structure.
9. as claim 6,7 or 8 described Carburetors, it is characterized in that described needle-valve body is copper material spare or working of plastics.
10. Carburetor as claimed in claim 9 is characterized in that, described coating is nickeling layer or chromium coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205171225U CN201786482U (en) | 2010-09-02 | 2010-09-02 | Carburetor and needle valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205171225U CN201786482U (en) | 2010-09-02 | 2010-09-02 | Carburetor and needle valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786482U true CN201786482U (en) | 2011-04-06 |
Family
ID=43818449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205171225U Expired - Lifetime CN201786482U (en) | 2010-09-02 | 2010-09-02 | Carburetor and needle valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786482U (en) |
-
2010
- 2010-09-02 CN CN2010205171225U patent/CN201786482U/en not_active Expired - Lifetime
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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 needle valve thereof Granted publication date: 20110406 License type: Exclusive License Record date: 20120503 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |