CN219061867U

CN219061867U - Carburetor

Info

Publication number: CN219061867U
Application number: CN202320118352.1U
Authority: CN
Inventors: 董耀辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-05-23
Anticipated expiration: 2033-02-06

Abstract

The application discloses carburetor, including carburetor body, needle disk seat, case subassembly and float subassembly, the needle disk seat is connected on the carburetor body, and case subassembly sliding connection is in the needle disk seat, and the carburetor still includes the regulation disk seat, is equipped with the mounting hole on the carburetor body, adjusts the upper end outside threaded connection of disk seat in the mounting hole, and the needle disk seat is connected in the lower extreme of adjusting the disk seat, adjusts the disk seat when being screwed, can drive needle disk seat and case subassembly and reciprocate to obtain the best oil level height of grease chamber. Compared with the prior art, the carburetor assembly is required to be disassembled, and the oil level height is adjusted by pulling the float assembly, the carburetor assembly is not required to be disassembled, the oil level height can be adjusted outside the carburetor by adjusting the valve seat, and the carburetor has the advantages of convenience in operation and high adjustment precision.

Description

Carburetor

Technical Field

The application relates to the technical field of engines, in particular to a carburetor.

Background

Carburetors are an important component of an engine, called the engine's heart, whose performance directly affects the engine's operating state. The carburetor is characterized in that the vacuum degree of the engine is utilized to suck a certain proportion of air and gasoline to generate an atomization effect, and then the air and the gasoline are sucked into a combustion chamber of the engine for combustion.

The existing carburetor generally has the problems that the needle valve seat is directly arranged on the body and cannot be adjusted, so that the oil level cannot be controlled by adjusting the valve seat, and if the oil level is to be adjusted, only the float assembly is pulled to complete the adjustment, the operation is inconvenient and the working efficiency is low.

Therefore, how to provide a carburetor convenient for adjusting the oil level is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

It is an object of the present application to provide a carburetor that can adjust the oil level by adjusting the valve seat.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a carburetor, includes carburetor body, needle disk seat, case subassembly and float subassembly, case subassembly sliding connection in the needle disk seat, the float subassembly is located in the grease chamber of carburetor body, still including adjusting the disk seat, be equipped with the mounting hole on the carburetor body, adjust the upper end outside threaded connection of disk seat in the mounting hole, the needle disk seat connect in adjust the lower extreme of disk seat, adjust the disk seat when being screwed drive the needle disk seat with the case subassembly reciprocates.

Preferably, an oil hole is formed in the lower end of the adjusting valve seat, and the upper end of the needle valve seat is connected in the oil hole in a threaded mode.

Preferably, an upper sealing ring is arranged between the outer side of the upper end of the adjusting valve seat and the carburetor body.

Preferably, a lower sealing ring is arranged between the outer side of the lower end of the adjusting valve seat and the carburetor body.

Preferably, a blocking cover for sealing the adjusting valve seat is arranged on the mounting hole.

Preferably, a filter screen is arranged in the oil hole.

Preferably, a transparent window for observing the oil level in the oil chamber is provided on the side of the carburetor body.

Preferably, the carburetor further comprises a pressing block, an observation hole is formed in the side portion of the carburetor body, and the pressing block is used for being fixed to the carburetor body through a fastening piece so as to press the transparent window to the outer end face of the observation hole.

Compared with the prior art, the technical scheme has the following advantages:

the utility model provides a carburetor, including carburetor body, needle disk seat, case subassembly and float subassembly, the needle disk seat is connected on the carburetor body, case subassembly sliding connection is in the needle disk seat, and the carburetor still includes and adjusts the disk seat, is equipped with the mounting hole on the carburetor body, adjusts the upper end outside threaded connection of disk seat in the mounting hole, and the needle disk seat is connected in the lower extreme of adjusting the disk seat, adjusts the disk seat when being screwed, can drive needle disk seat and case subassembly and reciprocate to obtain the best oil level height of grease chamber. Compared with the prior art, the carburetor assembly is required to be disassembled, and the oil level height is adjusted by pulling the float assembly, the carburetor assembly is not required to be disassembled, the oil level height can be adjusted outside the carburetor by adjusting the valve seat, and the carburetor has the advantages of convenience in operation and high adjustment precision.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

FIG. 1 is a cross-sectional view of a carburetor according to one embodiment of the present application;

FIG. 2 is a schematic view of a carburetor according to one embodiment of the present disclosure;

FIG. 3 is an exploded view of a view port and its associated components of a carburetor according to one embodiment of the present application.

The reference numerals are as follows:

1 is a carburetor body, 2 is a needle valve seat, 3 is a valve core assembly, 4 is a float assembly, 5 is an adjusting valve seat, 6 is a blanking cover, 7 is an upper sealing ring, 8 is a lower sealing ring, 9 is red steel packing paper, 10 is a filter screen, 11 is a transparent window, 12 is a pressing block, 13 is a fastening piece, 14 is an observation hole, 15 is a sealing gasket, and 16 is a gasket.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Please refer to fig. 1-3.

The embodiment of the application provides a carburetor, including carburetor body 1, needle disk seat 2, case subassembly 3 and float subassembly 4, carburetor body 1 is the shell type structure that an inside was equipped with the grease chamber, needle disk seat 2 connects on carburetor body 1, case subassembly 3 sliding connection is in needle disk seat 2, case subassembly 3 mainly is to close the oil feed passageway after the oil feed volume reaches the requirement, float subassembly 4 is located the oil chamber of carburetor body 1, the main effect of float subassembly 4 is to rise at the oil surface in the grease entering grease chamber, float subassembly 4 upwards floats and drives case subassembly 3 in order to close the oil feed passageway, the oil mass in the oil chamber is just qualified oil mass this moment. The specific structure of the valve core assembly 3 and the float assembly 4 can refer to the prior art, and will not be repeated herein. The carburetor further comprises an adjusting valve seat 5, a mounting hole is formed in the carburetor body 1, the outer side of the upper end of the adjusting valve seat 5 is connected in the mounting hole in a threaded mode, the needle valve seat 2 is connected to the lower end of the adjusting valve seat 5, the needle valve seat 2 mainly controls the flow rate of oil inlet and the sealing of the valve core assembly 3, and when the adjusting valve seat 5 is screwed, the needle valve seat 2 and the valve core assembly 3 can be driven to move up and down so as to obtain the optimal oil surface height of the oil chamber. Compared with the prior art, the carburetor assembly is required to be disassembled, and the oil level height is adjusted by pulling the float assembly 4, the carburetor assembly is not required to be disassembled, the oil level height can be adjusted outside the carburetor by adjusting the valve seat 5, and the carburetor has the advantages of convenience in operation and high adjustment precision.

Wherein, adjust the lower extreme of disk seat 5 and be equipped with the oilhole, be equipped with filter screen 10 in the oilhole to prevent the granule that brings in when oil gets into, get into the oil chamber in the jam pore, the upper end threaded connection of needle disk seat 2 is in the oilhole, through needle disk seat 2 and adjust disk seat 5 threaded connection, the assembly of both of being convenient for, when the assembly, can be earlier with needle disk seat 2 with adjust disk seat 5 and be connected, then with adjust disk seat 5 threaded connection in the mounting hole. In order to improve the sealing performance, a red steel packing 9 may be provided between the regulating valve seat 5 and the needle valve seat 2 to seal the gap therebetween.

In one embodiment of the present application, an upper seal ring 7 is provided between the outside of the upper end of the regulator valve seat 5 and the carburetor body 1. A lower sealing ring 8 is arranged between the outer side of the lower end of the adjusting valve seat 5 and the carburetor body 1. Specifically, two upper annular grooves for placing the upper sealing ring 7 can be formed in the outer side of the upper end of the adjusting valve seat 5, two lower annular grooves for placing the lower sealing ring 8 are formed in the outer side of the lower end of the adjusting valve seat 5, and when the adjusting valve seat 5 moves, the upper sealing ring 7 and the lower sealing ring 8 can move along with each other so as to achieve the sealing effect and the oil leakage-free effect. The upper sealing ring 7 and the lower sealing ring 8 can be fluororubber O-shaped rings, and have the advantages of oil resistance, corrosion resistance, easy deformation and good sealing effect.

Further, the mounting hole is provided with a blocking cover 6 for sealing and adjusting the valve seat 5, and the blocking cover 6 can be nitrile rubber blocking cover 6, so that the sealing device has the advantages of oil resistance, corrosion resistance, easy deformation and good sealing effect.

In some embodiments of the present application, as shown in fig. 2 and 3, the side of the carburetor body 1 is provided with a transparent window 11, wherein the transparent window 11 may be a glass window, through which the oil level in the oil chamber may be observed. The carburetor further comprises a pressing block 12, a fastening piece 13, a rubber gasket 15 and a gasket 16, wherein an observation hole 14 is formed in the side portion of the carburetor body 1, and the pressing block 12 is used for being fixed on the carburetor body 1 through the fastening piece 13 so as to press the transparent window 11 on the outer end face of the observation hole 14. Wherein the fastener 13 is optionally a screw rubber gasket and is positioned between the outer end face of the observation hole 14 and the transparent window 11, the gasket 16 is positioned between the pressing block 12 and the transparent window 11, the gasket 16 is of an annular structure, and the pressing block 12 can be prevented from directly contacting the transparent window 11 through the gasket 16 so as to press the transparent window 11.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

A carburetor provided herein is described in detail above. Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The utility model provides a carburetor, includes carburetor body (1), needle disk seat (2), case subassembly (3) and float subassembly (4), case subassembly (3) sliding connection in needle disk seat (2), float subassembly (4) are located in the grease chamber of carburetor body (1), its characterized in that still includes adjusts disk seat (5), be equipped with the mounting hole on carburetor body (1), the upper end outside threaded connection of adjusting disk seat (5) in the mounting hole, needle disk seat (2) connect in the lower extreme of adjusting disk seat (5), adjust disk seat (5) drive when being screwed needle disk seat (2) with case subassembly (3) reciprocates.

2. A carburettor according to claim 1 wherein the lower end of the adjusting valve seat (5) is provided with an oil hole into which the upper end of the needle valve seat (2) is threaded.

3. A carburettor according to claim 2 wherein an upper sealing ring (7) is provided between the outer side of the upper end of the regulator valve seat (5) and the carburettor body (1).

4. A carburettor according to claim 1 wherein a lower sealing ring (8) is provided between the outer side of the lower end of the regulator valve seat (5) and the carburettor body (1).

5. A carburettor according to claim 1 wherein the mounting hole is provided with a closure cap (6) for sealing the regulator valve seat (5).

6. A carburettor according to claim 2 wherein a filter screen (10) is provided in the oil bore.

7. A carburettor according to any one of claims 1 to 6 wherein the side of the carburettor body (1) is provided with a transparent window (11) for observing the level of oil in the oil chamber.

8. A carburettor according to claim 7 further comprising a pressure block (12), the side of the carburettor body (1) being provided with an observation aperture (14), the pressure block (12) being adapted to be secured to the carburettor body (1) by a fastener (13) to compress the transparent window (11) against the outer face of the observation aperture (14).