CN214698106U

CN214698106U - Carburetor with leak protection oil structure

Info

Publication number: CN214698106U
Application number: CN202120950124.1U
Authority: CN
Inventors: 程小平
Original assignee: Tianjin Stable Technology Co ltd
Current assignee: Tianjin Stable Technology Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-12
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a carburetor with leak protection oil structure, which comprises an upper housing, go up casing under the bottom fixedly connected with of casing, the bottom of casing is provided with the oil discharge outlet down, one side of going up the casing is provided with the engine and connects, the outside that the engine connects is provided with fixed anti-disengaging structure, the inside bottom that empty filter connects is provided with air door airtight structure, the inside that the engine connects one side is provided with leak protection oil structure. This carburetor with leak protection oil structure is through being provided with the annular, solid fixed ring, go-between and rubber seal, during the use, the annular is for the whole space that provides the installation of structure, with solid fixed ring embedding annular, the inside go-between of annular provides the base for rubber seal's fixed, wide big rubber seal can effectively fill up the gap of junction, avoid the condition of oil leak to produce, realized sealed leak protection oil's function, what solve is the problem that the device does not possess sealed leak protection oil's function.

Description

Carburetor with leak protection oil structure

Technical Field

The utility model relates to a carburetor technical field specifically is a carburetor with leak protection oil structure.

Background

With the development of society and the advancement of technology, the manufacturing technology of fuel engines is continuously advanced, and related accessories such as carburetors also need to be continuously updated and iterated, the function of the common carburetor on the market at present is not enough to be improved, for example, the common carburetor lacks a sealing structure, is easy to leak oil in the long-term use process, has potential safety hazard, secondly, the connection part of the air door and the engine only depends on bolts, the external fixation is lacked, the situation that the bolts are loosened to cause leakage and the like easily occurs under the long-term bumpy road condition, and a gap exists between the air door and the pipeline, easy air leakage and failure of perfect closure under the condition of needing to be closed, the proposal is correspondingly improved aiming at the problems, the sealing structure is added at the interface to prevent oil leakage, the fixing structure is added at the joint of the air door and the engine to prevent loosening, and the rubber pad is added at the contact position of the air door and the pipeline to avoid gaps.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) common carburettors in the market lack a sealing structure, are easy to leak oil in the long-term use process, and do not have the functions of sealing and preventing oil leakage;

(2) the connection between a common carburetor in the market and an engine only depends on bolts, is lack of external fixation, is easy to loose the bolts to cause leakage and the like under long-term bumpy road conditions, and does not have the function of preventing the loosening of a fixed structure;

(3) in a common carburetor in the market, a gap exists between an air door and a pipeline, air easily leaks under the condition of needing to be closed, perfect closing cannot be achieved, and the function of avoiding gaps and preventing air leakage is not achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a carburetor with leak protection oil structure to propose the problem that does not possess the function of sealed leak protection oil among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a carburetor with an oil leakage prevention structure comprises an upper shell, wherein a lower shell is fixedly connected to the bottom end of the upper shell, an oil discharge opening is formed in the bottom end of the lower shell, an engine connector is arranged on one side of the upper shell, a plunger is arranged inside the top end of the upper shell, an air filter connector is arranged on the other side of the upper shell, a choke valve is movably connected inside the air filter connector, a fixed anti-disengaging structure is arranged outside the engine connector, an air valve sealing structure is arranged at the bottom end inside the air filter connector, and an oil leakage prevention structure is arranged inside one side of the engine connector.

The oil leakage preventing structure comprises an annular groove, the annular groove is arranged in one side of the engine joint, one side of the annular groove is fixedly connected with a fixing ring, the fixing ring is arranged in the fixing ring, and one side of the fixing ring is fixedly connected with a rubber sealing ring.

Preferably, the inner diameter of the rubber sealing ring is larger than that of the engine joint, and the inner diameter of the ring groove is larger than that of the engine joint.

Preferably, fixed anti-disengaging structure comprises half snap ring, connection piece, fixing bolt and fixation nut, half snap ring sets up respectively at the outside upper and lower both ends of engine joint, horizontal fixedly connected with connection piece between the half snap ring, vertical grafting respectively has fixing bolt between the front and back both ends of half snap ring, fixing nut has been cup jointed to the outside bottom of fixing bolt.

Preferably, the half clamping rings are symmetrically distributed about the vertical center line of the connecting piece, and the external threads of the fixing bolt are matched with the internal threads of the fixing nut.

Preferably, the air door sealing structure comprises an inner groove, a fixing piece, a fixing screw and a rubber clamping head, the inner groove is formed in the bottom end of the air filter joint, the fixing piece is fixedly connected to the bottom end of the inner groove, the fixing screw is inserted into the middle of the fixing piece, and the rubber clamping head is fixedly connected to the two sides of the top end of the fixing piece respectively.

Preferably, the rubber clamps are symmetrically distributed about the vertical center line of the fixing piece, and one side of each rubber clamp is matched with the bottom end of the choke valve.

Compared with the prior art, the beneficial effects of the utility model are that: the carburetor with the oil leakage prevention structure not only realizes the functions of sealing and preventing oil leakage, and preventing the fixed structure from loosening, but also avoids gaps and prevents air leakage;

(1) by arranging the ring groove, the fixing ring, the connecting ring and the rubber sealing ring, when the sealing ring is used, the ring groove provides an installation space for the whole structure, the fixing ring is embedded into the ring groove, the connecting ring in the ring groove provides a base for fixing the rubber sealing ring, the wide rubber sealing ring can effectively fill up gaps at the connecting part, the oil leakage is avoided, and the function of sealing and preventing oil leakage is realized;

(2) when the fixing structure is used, in the installation process, the half clamping ring at one side is clamped outside an engine connector, the other side is clamped outside an engine connecting part, then the fixing bolt is inserted into the half clamping ring and the fixing nut is screwed down to fix the half clamping ring at one side, and a connection is formed between the engine and the carburetor, so that the function of preventing the fixing structure from loosening is realized;

(3) through being provided with inside groove, stationary blade, set screw and rubber dop, during the use, when the choke valve need be closed, the choke valve is rotatory to tend to the vertically, and the bottom of choke valve enters into in the inside groove to by the separation of rubber dop, recess and the bottom looks gomphosis of choke valve one side of rubber dop one side have reduced the gap by the gomphosis, and stationary blade and set screw have realized the function of evading the gap leak protection for the holistic installation of structure is fixed and have provided the basis.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of a side view of an oil leakage prevention structure of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is the utility model discloses a fixed anti-disengaging structure looks sideways at enlarged schematic diagram.

In the figure: 1. an upper housing; 2. a lower housing; 3. an oil discharge port; 4. an engine connection; 5. a ring groove; 6. a fixing ring; 7. a connecting ring; 8. a rubber seal ring; 9. fixing the anti-drop structure; 901. a half snap ring; 902. connecting sheets; 903. fixing the bolt; 904. fixing a nut; 10. a plunger; 11. a choke valve; 12. an air filter joint; 13. an air door sealing structure; 1301. an inner tank; 1302. a fixing sheet; 1303. fixing screws; 1304. a rubber chuck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a carburetor with an oil leakage prevention structure comprises an upper housing 1, a lower housing 2 is fixedly connected to the bottom end of the upper housing 1, an oil outlet 3 is arranged at the bottom end of the lower housing 2, an engine joint 4 is arranged at one side of the upper housing 1, a plunger 10 is arranged inside the top end of the upper housing 1, an air filter joint 12 is arranged at the other side of the upper housing 1, a choke valve 11 is movably connected inside the air filter joint 12, and an oil leakage prevention structure is arranged inside one side of the engine joint 4;

referring to fig. 1-4, the carburetor with the oil leakage prevention structure further includes an oil leakage prevention structure, the oil leakage prevention structure includes a ring groove 5, the ring groove 5 is disposed inside one side of the engine joint 4, one side inside the ring groove 5 is fixedly connected with a fixing ring 6, a connecting ring 7 is disposed inside the fixing ring 6, and one side of the connecting ring 7 is fixedly connected with a rubber seal ring 8;

the inner diameter of the rubber sealing ring 8 is larger than that of the engine joint 4, and the inner diameter of the ring groove 5 is larger than that of the engine joint 4;

specifically, as shown in fig. 1 and 2, the ring groove 5 provides an installation space for the whole structure, the fixing ring 6 is embedded into the ring groove 5, the connecting ring 7 inside the ring groove 5 provides a base for fixing the rubber sealing ring 8, the wide rubber sealing ring 8 can effectively fill up the gap at the joint, the oil leakage is avoided, and the function of sealing and preventing oil leakage is realized.

Example 2: a fixed anti-disengaging structure 9 is arranged outside the engine joint 4, the fixed anti-disengaging structure 9 is composed of a semi-clamping ring 901, a connecting sheet 902, a fixing bolt 903 and a fixing nut 904, the semi-clamping ring 901 is respectively arranged at the upper end and the lower end of the outside of the engine joint 4, the connecting sheet 902 is transversely and fixedly connected between the semi-clamping rings 901, the fixing bolt 903 is vertically inserted between the front end and the rear end of the semi-clamping ring 901, and the fixing nut 904 is sleeved at the bottom end of the outside of the fixing bolt 903;

the semi-clamping rings 901 are symmetrically distributed about the vertical center line of the connecting piece 902, and the external threads of the fixing bolt 903 are matched with the internal threads of the fixing nut 904;

specifically, as shown in fig. 1 and 4, a half snap ring 901 on one side is snapped outside the engine connector 4, and the other side is snapped outside the engine connection position, and then the fixing bolt 903 is inserted into the half snap ring and the fixing nut 904 is tightened to fix the half snap ring, so that a connection is formed between the engine and the carburetor, and the function of preventing the fixing structure from loosening is realized.

Example 3: the bottom end inside the air filter joint 12 is provided with an air door sealing structure 13, the air door sealing structure 13 is composed of an inner groove 1301, a fixing plate 1302, a fixing screw 1303 and a rubber clamping head 1304, the inner groove 1301 is arranged at the bottom end inside the air filter joint 12, the bottom end inside the inner groove 1301 is fixedly connected with the fixing plate 1302, the fixing screw 1303 is inserted into the inner part in the middle of the fixing plate 1302, and the two sides of the top end of the fixing plate 1302 are respectively and fixedly connected with the rubber clamping head 1304;

the rubber clamps 1304 are symmetrically distributed about the vertical center line of the fixing plate 1302, and one side of the rubber clamps 1304 is matched with the bottom end of the choke valve 11;

specifically, as shown in fig. 1 and 3, when the choke valve 11 needs to be closed, the choke valve 11 rotates to be vertical, the bottom of the choke valve 11 enters the inner groove 1301 and is blocked by the rubber chuck 1304, the groove on one side of the rubber chuck 1304 is embedded with the bottom on one side of the choke valve 11, gaps are reduced to the maximum extent, the fixing piece 1302 and the fixing screw 1303 provide a foundation for mounting and fixing the whole structure, and the function of avoiding the gaps and preventing air leakage is achieved.

The working principle is as follows: when the utility model is used, firstly, before installation, the fixing ring 6 is embedded into the ring groove 5, the connecting ring 7 inside the ring groove 5 provides a base for fixing the rubber sealing ring 8, the wide rubber sealing ring 8 can effectively fill the gap at the joint, the oil leakage is avoided, and the function of sealing and preventing oil leakage is realized; in the installation process, a half clamping ring 901 on one side is clamped outside an engine joint 4, the other side is clamped outside the engine joint, then a fixing bolt 903 is inserted into the half clamping ring and a fixing nut 904 is screwed to fix the half clamping ring and the engine joint, and a connection is formed between the engine and a carburetor, so that the function of preventing the fixing structure from loosening is realized; when the choke valve 11 needs to be closed, the choke valve 11 rotates to be vertical, the bottom of the choke valve 11 enters the inner groove 1301 and is blocked by the rubber clamping head 1304, the groove on one side of the rubber clamping head 1304 is embedded with the bottom of one side of the choke valve 11, gaps are reduced to the maximum extent, and the functions of avoiding the gaps and preventing air leakage are achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A carburetor with an oil leakage prevention structure comprises an upper shell (1), and is characterized in that: the bottom end of the upper shell (1) is fixedly connected with a lower shell (2), the bottom end of the lower shell (2) is provided with an oil discharge port (3), one side of the upper shell (1) is provided with an engine joint (4), a plunger (10) is arranged inside the top end of the upper shell (1), the other side of the upper shell (1) is provided with an air filter joint (12), the inside of the air filter joint (12) is movably connected with a choke valve (11), the outside of the engine joint (4) is provided with a fixed anti-falling structure (9), the bottom end inside the air filter joint (12) is provided with an air door sealing structure (13), and the inside of one side of the engine joint (4) is provided with an oil leakage prevention structure;

leak protection oil structure includes annular (5), annular (5) set up the inside in engine joint (4) one side, the solid fixed ring of one side fixedly connected with (6) of annular (5) inside, the inside of solid fixed ring (6) is provided with go-between (7), one side fixedly connected with rubber seal (8) of go-between (7).

2. A carburetor according to claim 1, wherein: the inner diameter of the rubber sealing ring (8) is larger than that of the engine joint (4), and the inner diameter of the ring groove (5) is larger than that of the engine joint (4).

3. A carburetor according to claim 1, wherein: fixed anti-disengaging structure (9) comprises semi-snap ring (901), connection piece (902), fixing bolt (903) and fixation nut (904), semi-snap ring (901) set up respectively at the outside upper and lower both ends of engine joint (4), horizontal fixedly connected with connection piece (902) between semi-snap ring (901), vertical grafting respectively has fixing bolt (903) between the front and back both ends of semi-snap ring (901), fixing nut (904) have been cup jointed to the outside bottom of fixing bolt (903).

4. A carburetor according to claim 3, wherein: the semi-clamping rings (901) are symmetrically distributed about the vertical center line of the connecting piece (902), and the external threads of the fixing bolt (903) are matched with the internal threads of the fixing nut (904).

5. A carburetor according to claim 1, wherein: the air door sealing structure (13) is composed of an inner groove (1301), a fixing piece (1302), a fixing screw (1303) and a rubber clamping head (1304), the inner groove (1301) is arranged at the bottom end inside the air filter joint (12), the fixing piece (1302) is fixedly connected to the bottom end inside the inner groove (1301), the fixing screw (1303) is inserted into the inside of the middle position of the fixing piece (1302), and the rubber clamping head (1304) is fixedly connected to the two sides of the top end of the fixing piece (1302) respectively.

6. A carburetor according to claim 5, wherein: the rubber clamping heads (1304) are symmetrically distributed about the vertical center line of the fixing plate (1302), and one side of each rubber clamping head (1304) is matched with the bottom end of the choke valve (11).