Carburetor connecting structure

Abstract

The utility model discloses a carburetor connecting structure which comprises a carburetor body, a filter assembly is fixed on one side of the carburetor body and comprises an end cover, a short connecting pipe is integrally formed on the outer wall of one side of the end cover, a socketed pipe is sleeved outside the short connecting pipe, one end of the socketed pipe is connected with an oil inlet pipe, and the other end of the socketed pipe is connected with an oil outlet pipe. A conical ring is integrally formed at the end, close to the end cover, of the sleeving pipe, symmetrically-distributed elastic plates are integrally formed on the outer wall of one side of the end cover, and clamping teeth matched with the conical ring are integrally formed at one end of each elastic plate. The oil inlet pipe is connected with the short connecting pipe in a sleeved mode through the sleeving pipe and connected with the conical ring on the sleeving pipe in a clamped mode through the clamping teeth on the elastic plate, so that the oil inlet pipe cannot be separated when connected with the carburetor, the oil inlet pipe and the carburetor can be installed only through simple inserting connection, other tools are not needed, and the oil inlet pipe and the carburetor are convenient to use. Therefore, the installation is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of carburetor technology, and specifically to a carburetor connection structure. Background Technology

[0002] Carburetors rely on the vacuum effect created by the engine. When the chainsaw's engine is running, it generates negative pressure, which causes the gasoline and air inside the carburetor to mix. The carburetor contains nozzles that, under the engine's negative pressure, inject gasoline into the mixing chamber while simultaneously drawing in air. This allows the carburetor to precisely control the gasoline-to-air ratio.

[0003] The carburetor is connected to a fuel inlet pipe, which currently uses a threaded connection during installation. This threaded connection requires a tool to tighten, making the connection inconvenient. Therefore, there is an urgent need to design a new carburetor connection structure to solve these problems. Utility Model Content

[0004] The purpose of this invention is to provide a carburetor connection structure to address the aforementioned shortcomings in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A carburetor connection structure includes a carburetor body, a filter assembly fixed to one side of the carburetor body, the filter assembly including an end cap, a short connecting pipe integrally formed on one side outer wall of the end cap, a sleeve connecting pipe sleeved on the outside of the short connecting pipe, a fuel inlet pipe connected to one end of the sleeve connecting pipe, a conical ring integrally formed on the end of the sleeve connecting pipe near the end cap, symmetrically distributed spring plates integrally formed on one side outer wall of the end cap, and a retaining tooth integrally formed on one end of the spring plate to match the conical ring.

[0007] Furthermore, a compression ring is fitted onto the outside of the sleeve, and a tapered surface is provided on one side of the compression ring. A retaining ring is fixed to the outer wall of the sleeve, and the compression ring is located between the retaining ring and the tapered ring.

[0008] Furthermore, the filter assembly also includes a filter housing fixed to the carburetor body, the end cap being threadedly connected to the filter housing, a filter element being disposed inside the filter housing, and the filter element being connected to the oil inlet of the carburetor body.

[0009] Furthermore, a retaining ring is fitted around the outside of the filter element, and evenly distributed bristles are fixed to the inner wall of the retaining ring on the side near the filter element. A connecting rod is fixed between the retaining ring and the end cap.

[0010] Furthermore, an arc-shaped groove is provided on one side of the outer wall of the spring plate, and the arc-shaped groove is located on the outer wall of the spring plate away from the short pipe.

[0011] Furthermore, the sleeve has a sealing groove inside, and a sealing ring is provided inside the sealing groove. The sealing ring is sleeved on the outside of the short sleeve.

[0012] In the above technical solution, the carburetor connection structure provided by this utility model has the following advantages: The sleeve and short pipe are connected by a sleeve, and the teeth on the spring plate are engaged with the conical ring on the sleeve, ensuring that the fuel inlet pipe will not detach when connected to the carburetor. Furthermore, the fuel inlet pipe can be installed simply by plugging it in, without the need for other tools, thus making installation more convenient. The compression ring squeezes the teeth, allowing them to disengage from the conical ring, at which point the sleeve can be pulled off the short pipe, making disassembly of the fuel inlet pipe easier. A fixing ring is fitted around the outside of the filter element, and bristles are fixed to the inner wall of the fixing ring. When the end cap is separated from the filter housing, the bristles can clean impurities from the outer wall of the filter element, making filter element maintenance more convenient. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0014] Figure 1 This is a front view structural diagram of an embodiment of a carburetor connection structure according to the present invention.

[0015] Figure 2 This is a schematic diagram of the bushing structure provided for an embodiment of the carburetor connection structure of this utility model.

[0016] Figure 3 This is an enlarged structural diagram of point A, which is provided for an embodiment of a carburetor connection structure according to this utility model.

[0017] Figure 4 This is an enlarged structural diagram of point B, which is provided for an embodiment of a carburetor connection structure according to this utility model.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1 Carburetor body, 2 Filter assembly, 3 Short connecting pipe, 4 Fuel inlet pipe, 5 Connecting pipe, 6 Spring plate, 7 Clamping teeth, 8 Conical ring, 9 Extrusion ring, 10 Conical surface, 11 Arc groove, 12 Retaining ring, 13 Sealing groove, 14 Sealing ring, 15 End cap, 16 Filter element, 17 Connecting rod, 18 Fixing ring, 19 Brush bristles, 20 Filter housing. Detailed Implementation

[0020] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0021] like Figure 1-4 As shown in the figure, a carburetor connection structure provided by this utility model embodiment includes a carburetor body 1, a filter assembly 2 fixed on one side of the carburetor body 1, the filter assembly 2 includes an end cap 15, a short pipe 3 integrally formed on one side outer wall of the end cap 15, a sleeve pipe 5 sleeved on the outside of the short pipe 3, an inlet pipe 4 connected to one end of the sleeve pipe 5, a conical ring 8 integrally formed on one end of the sleeve pipe 5 near the end cap 15, symmetrically distributed spring plates 6 integrally formed on one side outer wall of the end cap 15, and a retaining tooth 7 adapted to the conical ring 8 integrally formed on one end of the spring plate 6.

[0022] Specifically, in this embodiment, a carburetor body 1 is included. The carburetor body 1 is a carburetor used on existing chainsaws. A filter assembly 2 is fixed on one side of the carburetor body 1. The filter assembly 2 filters impurities inside the fuel. The filter assembly 2 includes an end cap 15. A short pipe 3 is integrally formed on one side of the outer wall of the end cap 15. A sleeve pipe 5 is sleeved on the outside of the short pipe 3. One end of the sleeve pipe 5 is connected to a fuel inlet pipe 4. A conical ring 8 is integrally formed on the end of the sleeve pipe 5 near the end cap 15. Symmetrically distributed spring plates 6 are integrally formed on one side of the outer wall of the end cap 15. A locking tooth 7 that matches the conical ring 8 is integrally formed on one end of the spring plate 6, so that the locking tooth 7 and the conical ring 8 can be engaged to prevent the sleeve pipe 5 from separating from the short pipe 3.

[0023] The present invention provides a carburetor connection structure in which the sleeve 5 is sleeved with the short pipe 3, and the retaining teeth 7 on the spring plate 6 are engaged with the conical ring 8 on the sleeve 5, so that the fuel inlet pipe 4 will not detach when connected to the carburetor. Furthermore, the fuel inlet pipe 4 can be installed with the carburetor simply by plugging it in, without the need for other tools, thus making the installation more convenient.

[0024] In another embodiment of this utility model, a compression ring 9 is sleeved on the outside of the sleeve 5. A conical surface 10 is provided on one side of the compression ring 9. A retaining ring 12 is fixed on the outer wall of the sleeve 5. The compression ring 9 is located between the retaining ring 12 and the conical ring 8. The compression ring 9 is used to compress the retaining tooth 7, so that the retaining tooth 7 can be disengaged from the conical ring 8. At this time, the sleeve 5 can be pulled off the short pipe 3, which makes the disassembly of the oil inlet pipe 4 more convenient. An arc groove 11 is provided on one side of the outer wall of the spring plate 6. The arc groove 11 is located on the outer wall of the spring plate 6 away from the short pipe 3. The arc groove 11 makes the local internal stress change more uniform when the spring plate 6 undergoes elastic deformation.

[0025] In another embodiment of this utility model, the filter assembly 2 further includes a filter housing 20 fixed to the carburetor body 1. The filter housing 20 is bolted to the fuel inlet of the carburetor body 1. The end cap 15 is threadedly connected to the filter housing 20. A filter element 16 is disposed inside the filter housing 20. The filter element 16 is connected to the fuel inlet of the carburetor body 1, and the filter element 16 can be removed from the fuel inlet of the carburetor body 1. A retaining ring 18 is sleeved on the outside of the filter element 16. Evenly distributed bristles 19 are fixed on the inner wall of the retaining ring 18 near the filter element 16. The retaining ring 18 and the end cap 15 are connected to the fuel inlet of the carburetor body 1. A connecting rod 17 is fixed between the end caps 15 and is fitted onto the outside of the filter element 16 through a fixed ring 18. Brush bristles 19 are fixed on the inner wall of the fixed ring 18, so that when the end caps 15 are separated from the filter housing 20, the brush bristles 19 can clean the impurities on the outer wall of the filter element 16, making the maintenance of the filter element 16 more convenient. A sealing groove 13 is provided inside the sleeve pipe 5, and a sealing ring 14 is provided inside the sealing groove 13. The sealing ring 14 is fitted onto the outside of the short pipe 3, and the sealing ring 14 makes the seal between the short pipe 3 and the sleeve pipe 5 more reliable.

[0026] Working principle: When it is necessary to separate the sleeve 5 from the short sleeve 3, firstly, the compression ring 9 is pressed against the retaining tooth 7, causing the spring plate 6 to undergo elastic deformation, thereby causing the retaining tooth 7 to disengage from the conical ring 8. Then, the sleeve 5 can be pulled off the short sleeve 3. When it is necessary to clean the impurities attached to the outer wall of the filter element 16, the end cap 15 is rotated to separate the end cap 15 from the filter shell 20 by threads. Then, the fixing ring 18 is removed from the inside of the filter shell 20, so that the bristles 19 can brush away the impurities on the outer wall of the filter element 16, making it more convenient to clean the impurities on the outer wall of the filter element 16.

[0027] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A carburetor connection structure, characterized in that, The carburetor includes a carburetor body (1), a filter assembly (2) is fixed on one side of the carburetor body (1), the filter assembly (2) includes an end cap (15), a short pipe (3) is integrally formed on one side of the outer wall of the end cap (15), a sleeve pipe (5) is sleeved on the outside of the short pipe (3), one end of the sleeve pipe (5) is connected to an oil inlet pipe (4), a conical ring (8) is integrally formed on one end of the sleeve pipe (5) near the end cap (15), symmetrically distributed spring plates (6) are integrally formed on one side of the outer wall of the end cap (15), and a retaining tooth (7) that matches the conical ring (8) is integrally formed on one end of the spring plate (6).

2. The carburetor connection structure according to claim 1, characterized in that, The sleeve (5) is fitted with a compression ring (9), and a conical surface (10) is provided on one side of the compression ring (9). A retaining ring (12) is fixed on the outer wall of the sleeve (5), and the compression ring (9) is located between the retaining ring (12) and the conical ring (8).

3. The carburetor connection structure according to claim 1, characterized in that, The filter assembly (2) also includes a filter housing (20) fixed to the carburetor body (1). The end cap (15) is threadedly connected to the filter housing (20). The filter housing (20) is provided with a filter element (16) inside. The filter element (16) is connected to the oil inlet of the carburetor body (1).

4. The carburetor connection structure according to claim 3, characterized in that, A retaining ring (18) is fitted around the outside of the filter element (16). The inner wall of the retaining ring (18) near the filter element (16) is fixed with evenly distributed bristles (19). A connecting rod (17) is fixed between the retaining ring (18) and the end cap (15).

5. The carburetor connection structure according to claim 1, characterized in that, An arc-shaped groove (11) is provided on one side of the outer wall of the spring plate (6), and the arc-shaped groove (11) is located on the outer wall of the spring plate (6) away from the short pipe (3).

6. The carburetor connection structure according to claim 1, characterized in that, The sleeve (5) is provided with a sealing groove (13) inside, and a sealing ring (14) is provided inside the sealing groove (13). The sealing ring (14) is sleeved on the outside of the short sleeve (3).

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