Assembling and positioning mechanism for cover cap of carburetor

Abstract

The utility model relates to the field of carburetor covers, and discloses a carburetor cover assembling and positioning mechanism which comprises a carburetor, a top cover is arranged on the upper portion of the carburetor, a positioning mechanism is arranged on the outer side of the top cover, the positioning mechanism comprises a positioning assembly and a reset assembly, and the positioning assembly comprises a positioning ring. The positioning ring is rotationally connected to the outer side of the lower portion of the top cover, the outer side of the positioning ring is fixedly connected with a positioning column, the outer side of the upper portion of the carburetor is fixedly connected with a fixing piece, the inner wall of the fixing piece is slidably connected with a telescopic piece, a connecting groove is formed in the inner wall of the telescopic piece, and the positioning column is inserted into the inner wall of the connecting groove. According to the utility model, through the cooperative use of the positioning mechanism and the top cover, when the top cover is mounted, the top cover is limited in the vertical direction by inserting the positioning column into the inner wall of the connecting groove in the telescopic piece, so that the top cover is prevented from shifting, the mounting efficiency of the top cover is improved, and the thread damage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to carburetor cover field especially relates to a kind of assembling and positioning mechanism of carburetor cover. BACKGROUND

[0002] Carburetor is the mechanical device that certain proportion of gasoline is mixed with air under the vacuum action generated by engine work, its basic principle is to use the vacuum degree in intake duct, gasoline is sucked from float chamber, and mixed with air to form combustible mixture, then is sent into engine cylinder and burns.

[0003] In the production process of carburetor, the assembly of cover is a key link, and the traditional carburetor cover assembly method often relies on manual positioning.

[0004] During installation, due to the difference in skill level, working state and fatigue degree of the operator, when the cover is installed on the carburetor body, the cover and the carburetor body are connected and fixed by threads, and when the cover is not properly aligned and deviates, it is easy to cause thread misalignment, damage the threads, and block the subsequent assembly process, thereby reducing the assembly efficiency. Therefore, an assembling and positioning mechanism for the cover of the carburetor is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides an assembling and positioning mechanism for the cover of the carburetor, which aims to improve the problem of "cover misalignment, thread misalignment, thread damage and reduced assembly efficiency" in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: an assembling and positioning mechanism for the cover of the carburetor, comprising a carburetor, a top cover is arranged on the upper part of the carburetor, a positioning mechanism is arranged on the outside of the top cover, the positioning mechanism comprises a positioning assembly and a reset assembly, the positioning assembly comprises a positioning ring, the positioning ring is rotatably connected to the lower part of the outside of the top cover, a positioning column is fixedly connected to the outside of the positioning ring, a fixed part is fixedly connected to the outside of the upper part of the carburetor, a telescopic part is slidably connected to the inner wall of the fixed part, a connecting groove is formed in the inner wall of the telescopic part, and the positioning column is inserted into the inner wall of the connecting groove.

[0007] As a further description of the above technical scheme:

[0008] The reset assembly comprises a reset spring, one end of the reset spring is fixedly connected to the bottom end of the telescopic part, and the other end of the reset spring is fixedly connected to the inner wall of the fixed part.

[0009] As a further description of the above technical scheme:

[0010] The upper outer side of the carburetor is provided with a threaded groove.

[0011] As a further description of the above technical solution:

[0012] The upper part of the telescopic part is conical.

[0013] As a further description of the above technical solution:

[0014] The fixing part and the telescopic part are provided with multiple groups, and the multiple groups of the fixing part and the telescopic part are uniformly arranged around the center line of the top cover.

[0015] As a further description of the above technical solution:

[0016] The inner wall of the positioning ring is provided with a limiting assembly, the limiting assembly comprises a limiting part, the limiting part is slidingly connected to the inner wall of the positioning ring, the inner wall of the positioning ring is provided with a clamping groove, the lower part of the limiting part is elastically connected to the inner wall of the positioning ring through a compression spring, the outer side of the top cover is provided with an anti-skid groove, and the limiting part slides in the inner wall of the anti-skid groove.

[0017] As a further description of the above technical solution:

[0018] One end of the compression spring is fixedly connected to the lower part of the limiting part, and the other end of the compression spring is fixedly connected to the inner wall of the positioning ring.

[0019] As a further description of the above technical solution:

[0020] The limiting part is provided in an L shape.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a positioning mechanism and a top cover are used in cooperation, when installing the top cover, the positioning column is inserted into the connecting groove inner wall on the telescopic part, and the top cover is limited in the vertical direction, so that the top cover is prevented from deviating, the installation efficiency of the top cover is improved, and the thread damage is reduced.

[0023] 2、The utility model discloses a limiting assembly and a top cover are used in cooperation, after installing the top cover, the limiting part is slid in the anti-skid groove inner wall under the elastic force of the compression spring by pulling the limiting part, the top cover is limited, the top cover is prevented from loosening, and the stability of the device is improved. DRAWINGS

[0024] Figure 1 It is the three-dimensional structure schematic view of the whole device in the utility model;

[0025] Figure 2 It is the split three-dimensional structure schematic view of the positioning mechanism in the utility model;

[0026] Figure 3 It is the right view solid structure section view schematic diagram of the positioning ring in the utility model;

[0027] Figure 4 It is the split solid structure schematic diagram of the telescopic part and the return spring in the utility model.

[0028] Legend:

[0029] 1, carburetor; 2, top cover; 31, positioning ring; 32, fixed part; 33, telescopic part; 34, return spring; 35, connecting groove; 36, positioning column; 41, anti-skid groove; 42, limiting part; 43, compression spring; 44, clamping groove. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Referring to Figure 1 , Figure 2 and Figure 4 , one embodiment provided by the utility model: a kind of assembly positioning mechanism of the cover of carburetor includes carburetor 1, responsible for mixing fuel and air into suitable combustion mixture, for engine power support, the technology is prior art, thus do not repeat, carburetor 1 upper portion is provided with top cover 2, as the cover of carburetor 1, install on the upper portion of carburetor 1, to protect the precise components in the interior of carburetor 1 from dust outside, top cover 2 outer side is provided with positioning mechanism, and positioning mechanism includes positioning assembly and return assembly, and positioning assembly includes positioning ring 31, by rotating positioning ring 31, the position of positioning column 36 can be conveniently adjusted, so that it is accurately docked with the connecting groove 35 on telescopic part 33, to realize the preliminary positioning of top cover 2, provide convenience for subsequent threaded installation, improve the accuracy and efficiency of installation, positioning ring 31 is rotatably connected to the lower portion outer side of top cover 2, and positioning ring 31 outer side is fixedly connected with positioning column 36, is provided with multiple groups, and multiple positioning columns 36 are accurately inserted into the connecting groove 35 in the inner wall of telescopic part 33, effectively limit the movement of top cover 2 in vertical direction, and the upper portion outer side of carburetor 1 is fixedly connected with fixed part 32, to provide stable support and installation basis for telescopic part 33. It ensures that telescopic part 33 can perform telescopic movement in fixed position and direction, so as to cooperate with positioning column 36 to realize accurate positioning of top cover 2.

[0032] Further, the inner wall of the fixing part 32 is slidably connected with the telescopic part 33. In the positioning process, the telescopic part 33 is tightly matched with the positioning column 36, effectively limiting the deviation of the top cover 2, providing a good foundation for the subsequent threaded connection, reducing the risk of threaded damage caused by the shaking or deviation of the top cover 2, improving the installation efficiency and quality. The upper part of the telescopic part 33 is tapered, which facilitates the smooth entry of the positioning column 36 into the connecting groove 35 when the top cover 2 is installed. Even if there is a certain deviation in the placement position of the top cover 2, the positioning column 36 can still be accurately inserted into the connecting groove 35 through the guiding action of the tapered surface, improving the fault tolerance and convenience of positioning. The inner wall of the telescopic part 33 is provided with a connecting groove 35, which is matched in shape and size with the positioning column 36. When the positioning column 36 is inserted into the connecting groove 35, they form a tight fit, limiting the freedom of the top cover 2 in the vertical direction, preventing it from moving up and down or tilting, thereby ensuring the stability and accuracy of the top cover 2 during installation. The positioning column 36 is inserted into the inner wall of the connecting groove 35.

[0033] Referring to Figure 4 , the reset assembly includes a reset spring 34, one end of which is fixedly connected to the bottom end of the telescopic part 33, and the other end of which is fixedly connected to the inner wall of the fixing part 32. The reset spring 34 uses its elastic restoring force to push the telescopic part 33 upwards, facilitating positioning. The upper outer side of the carburetor 1 and the inner wall of the top cover 2 are provided with threaded grooves for the final connection of the carburetor 1 and the top cover 2. The fixing part 32 and the telescopic part 33 are provided with multiple sets, which are evenly arranged around the center line of the top cover 2, thereby increasing the stability during positioning.

[0034] Referring to Figure 1 - Figure 3 , the inner wall of the positioning ring 31 is provided with a limiting assembly, which includes a limiting part 42. When the positioning column 36 is inserted into the connecting groove 35, the L-shaped limiting part 42 will be clamped into the anti-skid groove 41 on the outer side of the top cover 2 under the action of the compression spring 43, further limiting the rotation and deviation of the top cover 2, ensuring the stability of the top cover 2 during installation. The limiting part 42 is slidably connected to the inner wall of the positioning ring 31, and the inner wall of the positioning ring 31 is provided with a clamping groove 44 for limiting the limiting part 42. When the top cover 2 is rotated, the limiting part 42 can be prevented from being inserted into the inner wall of the anti-skid groove 41. The lower part of the limiting part 42 is elastically connected to the inner wall of the positioning ring 31 through the compression spring 43.

[0035] Further, one end of the compression spring 43 is fixedly connected to the lower part of the limiting piece 42, and the other end of the compression spring 43 is fixedly connected to the inner wall of the positioning ring 31, so as to provide the limiting piece 42 with elastic force, so that the limiting piece 42 can be automatically clamped into the anti-skid groove 41 after sliding out of the inner wall of the clamping groove 44, and cooperate with the positioning column 36 to limit the top cover 2, the anti-skid groove 41 is arranged on the outer side of the top cover 2, and the shape and size of the anti-skid groove 41 are matched with the limiting piece 42, the limiting piece 42 is clamped into the anti-skid groove 41, and the connection stability between the top cover 2 and the positioning mechanism is effectively increased, and the limiting piece 42 slides on the inner wall of the anti-skid groove 41.

[0036] Working principle: in use, when the top cover 2 of the carburetor 1 needs to be installed, first, the top cover 2 is placed above the upper part of the carburetor 1, so that the positioning ring 31 is located at the corresponding position outside the upper part of the carburetor 1, at this time, the operator rotates the positioning ring 31, because the positioning ring 31 is rotatably connected to the lower part of the top cover 2, the multiple groups of positioning columns 36 on the outer side of the positioning ring 31 will rotate, and after the positioning columns 36 are accurately inserted into the connecting grooves 35, the preliminary limiting of the top cover 2 in the vertical direction is realized.

[0037] During installation, the fixing piece 32 provides stable support and fixed direction for the telescopic piece 33, so that the telescopic piece 33 can stably perform telescopic movement on the inner wall of the fixing piece 32, compress the return spring 34, ensure the close cooperation with the positioning column 36, limit the deviation of the top cover 2, improve the accuracy and stability of positioning, reduce the adverse effects caused by the shaking of the top cover 2 on the subsequent threaded connection, and reduce the risk of threaded damage.

[0038] At this time, the top cover 2 is rotated, and the threaded connection between the carburetor 1 and the top cover 2 can be performed, when the installation of the top cover 2 is completed, the L-shaped limiting piece 42 originally located in the clamping groove 44 in the inner wall of the positioning ring 31 is pulled out of the clamping groove 44 under the elastic force of the compression spring 43, and is clamped into the anti-skid groove 41 on the outer side of the top cover 2 which is matched with the anti-skid groove 41, so as to limit the rotation and deviation of the top cover 2 in the horizontal direction, enhance the installation stability of the top cover 2, and make the connection between the top cover 2 and the positioning mechanism more stable and reliable.

[0039] Finally, it should be pointed out that: the above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An assembly positioning mechanism for a cover of a carburetor, comprising a carburetor (1), characterized in that: The carburetor (1) upper portion is provided with a top cover (2), the outer side of the top cover (2) is provided with a positioning mechanism, the positioning mechanism comprises a positioning assembly and a reset assembly, the positioning assembly comprises a positioning ring (31), the positioning ring (31) is rotatably connected to the lower portion of the outer side of the top cover (2), the outer side of the positioning ring (31) is fixedly connected with a positioning column (36), the upper portion of the outer side of the carburetor (1) is fixedly connected with a fixed part (32), the inner wall of the fixed part (32) is slidably connected with an expansion part (33), the inner wall of the expansion part (33) is provided with a connecting groove (35), and the positioning column (36) is inserted into the inner wall of the connecting groove (35).

2. An assembly positioning mechanism for a carburetor cover as defined in claim 1 wherein: The reset assembly comprises a reset spring (34), one end of the reset spring (34) is fixedly connected to the bottom end of the expansion part (33), and the other end of the reset spring (34) is fixedly connected to the inner wall of the fixed part (32).

3. The carburetor bowl cover assembly positioning mechanism of claim 1 wherein: The upper portion of the outer side of the carburetor (1) and the inner wall of the top cover (2) are provided with a threaded groove.

4. The carburetor bowl cover assembly positioning mechanism of claim 1 wherein: The upper portion of the expansion part (33) is provided in a tapered shape.

5. The carburetor bowl cover assembly positioning mechanism of claim 1 wherein: The fixed part (32) and the expansion part (33) are provided with a plurality of groups, and the plurality of groups of the fixed part (32) and the expansion part (33) are uniformly arranged with the center line of the top cover (2) as the shaft.

6. The carburetor bowl cover assembly positioning mechanism of claim 1 wherein: The inner wall of the positioning ring (31) is provided with a limiting assembly, the limiting assembly comprises a limiting part (42), the limiting part (42) is slidably connected to the inner wall of the positioning ring (31), the inner wall of the positioning ring (31) is provided with a clamping groove (44), the lower portion of the limiting part (42) and the inner wall of the positioning ring (31) are elastically connected through a compression spring (43), the outer side of the top cover (2) is provided with an anti-skid groove (41), and the limiting part (42) slides in the inner wall of the anti-skid groove (41).

7. An assembly positioning mechanism for a carburetor cover as defined in claim 6 wherein: One end of the compression spring (43) is fixedly connected to the lower portion of the limiting part (42), and the other end of the compression spring (43) is fixedly connected to the inner wall of the positioning ring (31).

8. The carburetor bowl cover assembly positioning mechanism of claim 6 wherein: The limiting part (42) is provided in an L shape.

Images