Air inlet structure of dustproof carburetor

Abstract

The utility model discloses a dustproof carburetor air inlet structure, which belongs to the technical field of carburetors and comprises a carburetor shell, an air inlet pipe communicated with the surface of the carburetor shell and an air inlet joint communicated with the air inlet end of the air inlet pipe, and a reinforcing component is mounted at the joint of the air inlet pipe and the air inlet joint. The reinforcing assembly comprises a reinforcing ring, a reinforcing sleeve, a rubber ring B, a rubber ring A and a locking bolt, wherein the reinforcing ring and the reinforcing sleeve are installed outside the air inlet pipe, the rubber ring B adheres to the outer portion of the reinforcing ring, the rubber ring A adheres to the top opening position of the reinforcing sleeve, and the locking bolt is spirally inserted into the surface of the reinforcing ring. A reinforcing assembly is installed at the connecting position of the air inlet pipe and the air inlet connector, a reinforcing ring and a reinforcing sleeve are installed at the connecting position of the air inlet pipe and the air inlet connector, the inserting end of a locking bolt on the surface of the reinforcing ring extends into a threaded groove, the connecting position of the air inlet pipe and the air inlet connector is reinforced, the structural strength is improved, and the damage phenomenon is not prone to occurring; and good air tightness and dustproof performance are maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to carburetor technical field more specifically, relate to dustproof carburetor air inlet structure. BACKGROUND

[0002] Carburetor is the mechanical device that the certain proportion of gasoline is mixed with air under the vacuum action generated by engine work.

[0003] Through the search, the existing announcement number for a kind of motorcycle new air supplementing economizing on fuel carburetor, including carburetor main part, air supplementing device is arranged on carburetor main part, air supplementing device is also arranged on carburetor main part with the auxiliary air supplementing device matched with air supplementing device, auxiliary air supplementing device includes plunger cavity, plunger pull rod, plunger pull rod support, return spring, dustproof cap and sealing pad, plunger cavity and carburetor main part are integral structure, the front end of plunger cavity is connected with air cleaner interface intercommunication by first air supplementing channel, plunger cavity is also connected with air supplementing device intercommunication by second air supplementing channel, plunger pull rod support is fixedly connected at the rear end of plunger cavity, the front end of plunger pull rod is set in plunger cavity and can be axially movable through plunger pull rod support, the front end of plunger pull rod is set with the sealing pad for closing first air supplementing channel, return spring is set on the rod of plunger pull rod, dustproof cap is set with plunger pull rod and covers the rear end of plunger pull rod support. By adding auxiliary air supplementing device, provide sufficient air supplementing air intake, ensure that engine is normally used in any environment, gasoline combustion is more complete, is more energy-saving and emission-reducing.

[0004] For common carburetor, air inlet pipe is connected at its air inlet end, but the air inlet pipe of carburetor is not provided with reinforcing assembly at the connecting position with air inlet connector, so that the air inlet pipe is easily damaged under the action of air pressure, even gas leakage phenomenon occurs, which affects the sealing performance and dustproof performance, therefore, the dustproof carburetor air inlet structure is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the utility model aims at providing dustproof carburetor air inlet structure, reinforcing assembly is installed at the connecting position of air inlet pipe and air inlet connector, reinforcing ring and reinforcing sleeve are installed at the connecting position of air inlet pipe and air inlet connector, the locking bolt insertion end on the surface of reinforcing ring extends to the inside of thread groove, the connecting position of air inlet pipe and air inlet connector is reinforced, the structural strength is improved, the damage phenomenon is not easy to occur, and good air tightness and dustproof performance are maintained.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model discloses the following technical scheme.

[0009] The dustproof carburetor air inlet structure includes a carburetor shell, an air inlet pipe connected to the surface of the carburetor shell, and an air inlet connector connected to the air inlet end of the air inlet pipe.

[0010] The reinforcing assembly includes a reinforcing ring and a reinforcing sleeve installed on the outside of the air inlet pipe, a rubber ring B bonded to the outside of the reinforcing ring, a rubber ring A bonded to the opening position on the top of the reinforcing sleeve, and a locking bolt screw-plugged into the surface of the reinforcing ring.

[0011] Preferably, the surface of the air inlet pipe is symmetrically provided with a threaded groove, and the plug-in end of the locking bolt extends into the threaded groove.

[0012] Preferably, the surface of the reinforcing ring is attached to the surface of the air inlet pipe, and the surface of the rubber ring B is attached to the surface of the air inlet pipe.

[0013] Preferably, the reinforcing sleeve is sleeved on the outside of the air inlet connector, and the rubber ring A is sleeved on the outside of the air inlet connector.

[0014] Preferably, the outside of the air inlet pipe is sleeved with a limiting seat, and the surface of the limiting seat is fixedly connected with an external thread sleeve.

[0015] Preferably, the outside of the air inlet connector is provided with a protective cover, the inner wall of the protective cover is provided with an internal thread, and the protective cover and the external thread sleeve are screw-plugged correspondingly.

[0016] Preferably, the surface of the protective cover is provided with an anti-skid groove, the end surface of the protective cover is provided with a pipe insertion hole, and a sealing ring is bonded to the opening position of the pipe insertion hole of the protective cover.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] (1) The reinforcing assembly is installed at the connecting position of the air inlet pipe and the air inlet connector, the plug-in end of the locking bolt on the surface of the reinforcing ring extends into the threaded groove, the connecting position of the air inlet pipe and the air inlet connector is reinforced, the structural strength is improved, the damage phenomenon is not easy to occur, and good air tightness and dustproof performance are maintained.

[0020] (2) When the external pipeline is connected, the external pipeline is first penetrated through the sealing ring of the protective cover, the external pipeline is fixedly connected with the air inlet connector, the protective cover is screwed relative to the external thread sleeve of the limiting seat, the connecting position is protected by the protective cover, and the dustproof performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0022] Figure 2 is a schematic diagram of the protective cover structure of the present application;

[0023] Figure 3 is a schematic diagram of the air inlet pipe and air inlet connector structure of the present application;

[0024] Figure 4 is a schematic diagram of the reinforcing ring and reinforcing sleeve structure of the present application;

[0025] Figure 5 is a schematic diagram of the air inlet pipe and limiting seat structure of the present application.

[0026] Explanation of reference numerals in the drawings:

[0027] 1, carburetor shell; 2, air inlet pipe; 201, air inlet connector; 202, threaded groove; 3, limiting seat; 4, protective cover; 5, sealing ring; 6, anti-skid groove; 7, internal thread; 8, external threaded sleeve; 9, reinforcing ring; 10, reinforcing sleeve; 11, rubber ring A; 12, rubber ring B; 13, locking bolt. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Embodiment 1:

[0030] Please refer to Figures 1-5 , the dustproof carburetor air inlet structure, including a carburetor shell 1, a through connection on the surface of the carburetor shell 1 air inlet pipe 2, and a through connection in the air inlet pipe 2 air inlet end air inlet connector 201, the connecting part of the air inlet pipe 2 and the air inlet connector 201 is provided with a reinforcing assembly;

[0031] The reinforcing assembly includes a reinforcing ring 9 and a reinforcing sleeve 10 installed on the outside of the air inlet pipe 2, a rubber ring B 12 bonded to the outside of the reinforcing ring 9, a rubber ring A 11 bonded to the top opening position of the reinforcing sleeve 10, and a locking bolt 13 spirally inserted on the surface of the reinforcing ring 9.

[0032] The surface of the air inlet pipe 2 is symmetrically provided with a threaded groove 202, the insertion end of the locking bolt 13 extends to the inside of the threaded groove 202, the reinforcing ring 9 is attached to the surface of the air inlet pipe 2, the rubber ring B 12 is attached to the surface of the air inlet pipe 2, the reinforcing sleeve 10 is sleeved on the outside of the air inlet connector 201, and the rubber ring A 11 is sleeved on the outside of the air inlet connector 201.

[0033] It should be noted that the connecting position of the air inlet pipe 2 and the air inlet connector 201 is provided with a reinforcing assembly, the reinforcing ring 9 and the reinforcing sleeve 10 are arranged at the connecting position of the air inlet pipe 2 and the air inlet connector 201, the insertion end of the locking bolt 13 on the surface of the reinforcing ring 9 extends to the inside of the threaded groove 202, the connecting position of the air inlet pipe 2 and the air inlet connector 201 is reinforced, the structural strength is improved, damage is less likely to occur, and good air tightness and dustproof performance are maintained.

[0034] Referring to Figures 1-4 The outside of the air inlet pipe 2 is sleeved with a limiting seat 3, the surface of the limiting seat 3 is fixedly connected with an external threaded sleeve 8, the outside of the air inlet connector 201 is provided with a protective cover 4, the inner wall of the protective cover 4 is provided with an internal thread 7, the protective cover 4 and the external threaded sleeve 8 are screwingly inserted into each other, the surface of the protective cover 4 is provided with an anti-skid groove 6, the end surface of the protective cover 4 is provided with a pipe insertion hole, and the pipe insertion hole of the protective cover 4 is attached with a sealing ring 5.

[0035] It should be noted that when the external pipeline is connected, the external pipeline is first penetrated through the sealing ring 5 of the protective cover 4, the external pipeline is fixedly connected with the air inlet connector 201, the protective cover 4 is screwed relative to the external threaded sleeve 8 of the limiting seat 3, and the connecting position is protected by the protective cover 4, so that the dustproof performance is improved.

[0036] In use: the connecting position of the air inlet pipe 2 and the air inlet connector 201 is provided with a reinforcing assembly, the reinforcing ring 9 and the reinforcing sleeve 10 are arranged at the connecting position of the air inlet pipe 2 and the air inlet connector 201, the insertion end of the locking bolt 13 on the surface of the reinforcing ring 9 extends to the inside of the threaded groove 202, the connecting position of the air inlet pipe 2 and the air inlet connector 201 is reinforced, the structural strength is improved, damage is less likely to occur, and good air tightness and dustproof performance are maintained; when the external pipeline is connected, the external pipeline is first penetrated through the sealing ring 5 of the protective cover 4, the external pipeline is fixedly connected with the air inlet connector 201, the protective cover 4 is screwed relative to the external threaded sleeve 8 of the limiting seat 3, and the connecting position is protected by the protective cover 4, so that the dustproof performance is improved.

[0037] The above is only a preferred specific implementation manner of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A dustproof carburetor air inlet structure, comprising a carburetor housing (1), an air inlet pipe (2) connected to the surface of the carburetor housing (1), and an air inlet connector (201) connected to the air inlet end of the air inlet pipe (2), characterized in that: The connecting part of the air inlet pipe (2) and the air inlet joint (201) is provided with a reinforcing assembly; The reinforcing assembly comprises a reinforcing ring (9) and a reinforcing sleeve (10) installed outside the air inlet pipe (2), a rubber ring B (12) bonded outside the reinforcing ring (9), a rubber ring A (11) bonded at the opening position of the top of the reinforcing sleeve (10), and a locking bolt (13) screw-plugged on the surface of the reinforcing ring (9).

2. The dustproof carburetor air intake structure according to claim 1, characterized in that: The surface of the air inlet pipe (2) is symmetrically provided with a threaded groove (202), and the plug-in end of the locking bolt (13) extends into the interior of the threaded groove (202).

3. The dustproof carburetor air intake structure according to claim 1, characterized by: The reinforcing ring (9) and the surface of the air inlet pipe (2) are in close contact, and the rubber ring B (12) and the surface of the air inlet pipe (2) are in close contact.

4. The dustproof carburetor air intake structure according to claim 1, characterized by: The reinforcing sleeve (10) is sleeved outside the air inlet joint (201), and the rubber ring A (11) is sleeved outside the air inlet joint (201).

5. The dustproof carburetor air intake structure according to claim 1, characterized by: The outer part of the air inlet pipe (2) is sleeved with a limiting seat (3), and the surface of the limiting seat (3) is fixedly connected with an external thread sleeve (8).

6. The dustproof carburetor air intake structure according to claim 1, characterized by: The outer part of the air inlet joint (201) is provided with a protective cover (4), the inner wall of the protective cover (4) is provided with an internal thread (7), and the protective cover (4) and the external thread sleeve (8) are screw-plugged correspondingly.

7. The dustproof carburetor air intake structure according to claim 6, characterized by: The surface of the protective cover (4) is provided with an anti-skid groove (6), the end surface position of the protective cover (4) is provided with a pipe inserting hole, and the pipe inserting hole of the protective cover (4) is bonded with a sealing ring (5) at the opening position.

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