Anti-interference air inlet adjusting device of carburetor

Abstract

The utility model relates to the technical field of carburetors, in particular to a carburetor anti-interference air inlet adjusting device which comprises an air filter, a carburetor body and a connecting piece. The carburetor body comprises an air inlet end, an annular base is arranged on the outer side wall of the air inlet end, and a first extending cylinder is arranged on the annular base; the outer side wall of the first extension cylinder is provided with an external thread, the air filter is provided with a second extension cylinder, and the inner side wall of the second extension cylinder is provided with a thread groove; the connecting piece comprises a pull ring and an elastic limiting ring, the limiting ring is connected to the annular base, and the pull ring is arranged on the face, away from the annular base, of the limiting ring; when the air filter is mounted, the air filter rotates through the threaded groove, and meanwhile, the rotating direction of the pull ring is opposite to that of the air filter, so that the elastic limiting ring has elastic potential energy in the same rotating direction as the air filter; the air filter is mounted outside in advance, so that interference caused by assembly in the engine of the motorcycle is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of carburetors, in particular to an anti-interference intake regulating device for a carburetors. Background Art

[0002] A carburetor is a mechanical device that mixes a certain proportion of gasoline and air under the vacuum generated by the working engine. As a precision mechanical device, the carburetor uses the kinetic energy of the inhaled air flow to atomize the gasoline. Its important role in the engine can be called the heart of the engine. Its complete device should include a starting device, an idle device, a medium load device, a full load device, and an acceleration device. The carburetor will automatically mix the corresponding concentration and output the corresponding amount of mixed gas according to the different working conditions of the engine. In order to make the mixed gas mixed more evenly, the carburetor also has the effect of atomizing the fuel for the normal operation of the machine.

[0003] Existing carburetors generally have an air filter at their air inlet end to ensure air cleanliness. However, since carburetors are mainly used on motorcycles and have a small installation space, the air filter and the corresponding mounting screws are prone to interfere with other components, making the carburetors' air intake installation difficult. After installation, the vehicle will vibrate during operation, making the connection between the air filter and the air inlet end unstable, thereby causing air leakage, and then allowing unfiltered air to enter the engine, causing engine damage. Therefore, there is a need for a carburetors that ensures a stable connection between the air filter and the air inlet end while facilitating installation and avoiding interference with other components. Utility Model Content

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide a carburetor anti-interference intake adjustment device which ensures the stable connection between the air filter and the air inlet end while being easy to install and avoiding interference with other components.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A carburetor anti-interference intake adjustment device comprises an air filter, a carburetor body and a connecting piece;

[0007] The carburetor body comprises an air inlet end, an annular base is arranged on the outer side wall of the air inlet end, a first extension tube is arranged on the side of the annular base facing the air filter; the outer side wall of the first extension tube has an external thread, a second extension tube is arranged on the side of the air filter facing the air inlet end, and a thread groove matching with the thread is arranged on the inner side wall of the second extension tube;

[0008] The connecting piece includes a pull ring and an elastic limiting ring, one side of the limiting ring is connected to a side of the annular base facing the air filter, and the pull ring is arranged on a side of the limiting ring away from the annular base;

[0009] The air filter is rotated through the threaded groove during installation, and the pull ring rotates in the opposite direction to the air filter until the air filter is fitted with the connecting piece.

[0010] Preferably, the limiting ring is filled with a plurality of inclined elastic columns, and the inclination direction of the elastic columns is the same as the rotation direction of the air filter through the thread groove when the air filter is installed.

[0011] Preferably, the outer peripheral surface of the limiting ring has scale lines parallel to the elastic column.

[0012] Preferably, the color of the scale line and the color of the limit ring are opposite to each other.

[0013] Preferably, a plurality of protrusions are arranged on the outer circumference of the pull ring.

[0014] Preferably, adhesive is provided between the pull ring and the limiting ring.

[0015] Preferably, a side of the pull ring facing the air filter is a friction surface, and a side of the second extension tube facing the pull ring is a friction surface.

[0016] Preferably, an anti-oxidation coating is coated on the outer peripheral surface of the pull ring.

[0017] Preferably, the air filter is truncated cone-shaped.

[0018] The beneficial effects of the utility model are as follows: when the air filter is installed, the threaded groove is rotated and the pull ring rotates in the opposite direction to the air filter until the air filter is fitted with the connecting piece, so that the elastic limiting ring has an elastic potential energy in the same rotation direction as the air filter, that is, a twisting tendency, and then after the air filter is fitted, the friction between the two is utilized to make the air filter tighter, and the elastic material can absorb vibrations to prevent disengagement and also play a sealing role; by installing the air filter outside in advance, there is no need to assemble the air filter and the carburetor in the engine of the motorcycle, which can improve the installation efficiency and avoid the interference caused by internal installation, and also avoid the interference during disassembly due to subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a structural schematic diagram of a carburetor anti-interference intake regulating device according to a specific embodiment of the utility model;

[0020] Figure 2The figure shows an exploded view of a carburetor anti-interference intake regulating device according to a specific embodiment of the utility model;

[0021] Explanation of reference numerals: 1. air filter; 2. carburetor body; 21. air inlet end; 22. annular base; 23. first extension tube; 24. second extension tube; 3. connecting piece; 31. pull ring; 32. limiting ring; 33. protrusion. DETAILED DESCRIPTION

[0022] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0023] Please refer to Figure 1 to Figure 2 As shown, a carburetor anti-interference intake regulating device of the utility model comprises an air filter 1, a carburetor body 2 and a connecting piece 3;

[0024] The carburetor body 2 includes an air inlet end 21, an annular base 22 is provided on the outer side wall of the air inlet end 21, and a first extension tube 23 is provided on the side of the annular base 22 facing the air filter 1; the outer side wall of the first extension tube 23 has an external thread, and the air filter 1 is provided with a second extension tube 24 on the side facing the air inlet end 21, and a thread groove matching the thread is provided on the inner side wall of the second extension tube 24;

[0025] The connecting member 3 includes a pull ring 31 and an elastic limiting ring 32, one side of the limiting ring 32 is connected to a side of the annular base 22 facing the air filter 1, and the pull ring 31 is arranged on a side of the limiting ring 32 away from the annular base 22;

[0026] The air filter 1 is rotated through the thread groove during installation, and the pull ring 31 rotates in the opposite direction to the air filter 1 until the air filter 1 fits with the connector 3 .

[0027] From the above description, it can be seen that when the air filter 1 is installed, the threaded groove is rotated and the pull ring 31 rotates in the opposite direction to the air filter 1 until the air filter 1 is fitted with the connecting piece 3, so that the elastic limiting ring 32 has an elastic potential energy in the same rotation direction as the air filter 1, that is, a torsional tendency, and then after the air filter 1 is fitted, the friction between the two is used to make the air filter 1 more secure, and the elastic material can absorb vibrations, prevent disengagement and also play a sealing role; by installing the air filter outside in advance, there is no need to assemble the air filter and carburetor in the engine of the motorcycle, which can improve the installation efficiency and avoid interference caused by internal installation, and also avoid interference during disassembly due to subsequent maintenance.

[0028] Furthermore, the limiting ring 32 is filled with a plurality of inclined elastic columns, and the inclination direction of the elastic columns is the same as the rotation direction of the air filter 1 through the thread groove when it is installed.

[0029] It can be seen from the above description that the multiple inclined elastic columns can increase the contact pressure and restore the torsion effect.

[0030] Furthermore, the outer surface of the limiting ring 32 has scale lines parallel to the elastic column.

[0031] It can be seen from the above description that by using the scale lines, the user can intuitively observe the deformation of the elastic column.

[0032] Furthermore, the color of the scale line and the color of the limiting ring 32 are opposite to each other.

[0033] It can be seen from the above description that by using the color of the scale line and the color of the limit ring 32 to be opposite to each other, an obvious color difference can be formed to ensure the observation effect.

[0034] Furthermore, a plurality of protrusions 33 are provided on the outer circumference of the pull ring 31 .

[0035] It can be seen from the above description that the structure of the protrusion 33 can facilitate the twisting of the limiting ring 32.

[0036] Furthermore, adhesive is provided between the pull ring 31 and the limiting ring 32 .

[0037] It can be seen from the above description that the adhesive can make the force more uniform and prevent the limiting ring 32 from being pulled and damaged.

[0038] Furthermore, a surface of the pull ring 31 facing the air filter 1 is a friction surface, and a surface of the second extension tube 24 facing the pull ring 31 is a friction surface.

[0039] It can be seen from the above description that the friction force can be increased by using two friction surfaces.

[0040] Furthermore, an anti-oxidation coating is coated on the outer peripheral surface of the pull ring 31 .

[0041] It can be seen from the above description that the service life of the pull ring 31 can be extended by the anti-oxidation coating.

[0042] Furthermore, the air filter 1 is truncated cone-shaped.

[0043] As can be seen from the above description, the frustoconical air filter 1 can increase the contact area with the air.

[0044] Embodiment 1

[0045] A carburetor anti-interference intake adjustment device comprises an air filter 1, a carburetor body 2 and a connecting piece 3;

[0046] The carburetor body 2 includes an air inlet end 21, an annular base 22 is provided on the outer side wall of the air inlet end 21, and a first extension tube 23 is provided on the side of the annular base 22 facing the air filter 1; the outer side wall of the first extension tube 23 has an external thread, and the air filter 1 is provided with a second extension tube 24 on the side facing the air inlet end 21, and a thread groove matching the thread is provided on the inner side wall of the second extension tube 24;

[0047] The connecting member 3 includes a pull ring 31 and an elastic limiting ring 32, one side of the limiting ring 32 is connected to a side of the annular base 22 facing the air filter 1, and the pull ring 31 is arranged on a side of the limiting ring 32 away from the annular base 22;

[0048] The air filter 1 is rotated through the thread groove during installation, and the pull ring 31 rotates in the opposite direction to the air filter 1 until the air filter 1 fits with the connector 3 .

[0049] The limiting ring 32 is filled with a plurality of inclined elastic columns, and the inclination direction of the elastic columns is the same as the rotation direction of the air filter 1 through the thread groove when it is installed.

[0050] The outer peripheral surface of the limiting ring 32 has scale lines parallel to the elastic column.

[0051] The color of the scale line is opposite to the color of the limiting ring 32 .

[0052] A plurality of protrusions 33 are arranged on the outer circumference of the pull ring 31 .

[0053] Adhesive is provided between the pull ring 31 and the limiting ring 32 .

[0054] The side of the pull ring 31 facing the air filter 1 is a friction surface, and the side of the second extension tube 24 facing the pull ring 31 is a friction surface.

[0055] The outer peripheral surface of the pull ring 31 is coated with an anti-oxidation coating.

[0056] The air filter 1 is truncated cone shaped.

[0057] Embodiment 2

[0058] A carburetor anti-interference intake adjustment device comprises an air filter 1, a carburetor body 2 and a connecting piece 3;

[0059] The carburetor body 2 includes an air inlet end 21, an annular base 22 is provided on the outer side wall of the air inlet end 21, and a first extension tube 23 is provided on the side of the annular base 22 facing the air filter 1; the outer side wall of the first extension tube 23 has an external thread, and the air filter 1 is provided with a second extension tube 24 on the side facing the air inlet end 21, and a thread groove matching the thread is provided on the inner side wall of the second extension tube 24;

[0060] The connecting member 3 includes a pull ring 31 and an elastic limiting ring 32, one side of the limiting ring 32 is connected to a side of the annular base 22 facing the air filter 1, and the pull ring 31 is arranged on a side of the limiting ring 32 away from the annular base 22;

[0061] The air filter 1 is rotated through the thread groove during installation, and the pull ring 31 rotates in the opposite direction to the air filter 1 until the air filter 1 fits with the connector 3 .

[0062] The limiting ring 32 is filled with a plurality of inclined elastic columns, and the inclination direction of the elastic columns is the same as the rotation direction of the air filter 1 through the thread groove when it is installed.

[0063] A plurality of protrusions 33 are arranged on the outer circumference of the pull ring 31 .

[0064] Adhesive is provided between the pull ring 31 and the limiting ring 32 .

[0065] The side of the pull ring 31 facing the air filter 1 is a friction surface, and the side of the second extension tube 24 facing the pull ring 31 is a friction surface.

[0066] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A carburetor anti-interference intake adjustment device, characterized in that: Includes air filter, carburetor body and connectors; The carburetor body comprises an air inlet end, an annular base is arranged on the outer side wall of the air inlet end, a first extension tube is arranged on the side of the annular base facing the air filter; the outer side wall of the first extension tube has an external thread, a second extension tube is arranged on the side of the air filter facing the air inlet end, and a thread groove matching with the thread is arranged on the inner side wall of the second extension tube; The connecting piece includes a pull ring and an elastic limiting ring, one side of the limiting ring is connected to a side of the annular base facing the air filter, and the pull ring is arranged on a side of the limiting ring away from the annular base; The air filter is rotated through the threaded groove during installation, and the pull ring rotates in the opposite direction to the air filter until the air filter is fitted with the connecting piece.

2. The anti-interference intake adjustment device for a carburetor according to claim 1, characterized in that: The limiting ring is filled with a plurality of inclined elastic columns, and the inclination direction of the elastic columns is the same as the rotation direction of the air filter through the thread groove when it is installed.

3. The anti-interference intake adjustment device for a carburetor according to claim 2, characterized in that: The outer peripheral surface of the limiting ring is provided with scale lines parallel to the elastic column.

4. The anti-interference intake adjustment device for a carburetor according to claim 3, characterized in that: The color of the scale line and the color of the limit ring are opposite to each other.

5. The anti-interference intake adjustment device for a carburetor according to claim 1, characterized in that: A plurality of protrusions are arranged on the outer circumference of the pull ring.

6. The anti-interference intake adjustment device for a carburetor according to claim 1, characterized in that: Adhesive is arranged between the pull ring and the limiting ring.

7. The anti-interference intake adjustment device for a carburetor according to claim 1, characterized in that: The side of the pull ring facing the air filter is a friction surface, and the side of the second extension tube facing the pull ring is a friction surface.

8. The anti-interference intake adjustment device for a carburetor according to claim 1, characterized in that: An anti-oxidation coating is coated on the outer peripheral surface of the pull ring.

9. The anti-interference intake adjustment device for a carburetor according to claim 1, characterized in that: The air filter is a truncated cone type.

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