Floater for automobile fuel tank

Through the structural design of the float body and the connecting rod, the limit plate and the limit block, and the use of the plug-in column and the socket to solve the problem of inconvenient assembly of the float and the connecting rod, a convenient and firm connection is achieved.

CN223307653UActive Publication Date: 2025-09-05NINGBO SANFENG MASCH ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422878657.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-09-05
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The existing automobile fuel tank float and connecting rod are inconvenient to assemble, mainly by fastening with bolts or nuts, which makes assembly difficult.

Method used

The float body and the connecting rod are connected by a structural design of an insert rod, a limit plate and a limit block. The reliable connection between the float body and the connecting rod is achieved by utilizing the matching connection of the insert column and the insert hole, combined with the connection of the annular groove and the undercut group.

Benefits of technology

The float body and the connecting rod can be conveniently assembled, the assembly efficiency and firmness are improved, and the inconvenience of traditional fastening methods is avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a floater for an automobile fuel tank, which comprises a floater body connected to one end of a connecting rod, and the other end of the connecting rod is connected with a potentiometer positioned in the automobile fuel tank; the floater further comprises a connecting piece. A through hole is formed in the middle of the floater body, the connecting piece comprises an inserting rod and a limiting plate arranged at one end of the inserting rod, the inserting rod is inserted into the through hole, the limiting plate abuts against one end of the floater body, a limiting groove is formed in the other end of the floater body, and a limiting block is arranged on the outer wall of one end of the connecting rod. The limiting block is embedded in the limiting groove so that the floater body and the connecting rod can be limited in the circumferential direction, one end of the connecting rod is buckled with the other end of the inserting rod in a matched mode, and the floater body is limited between the limiting plate and the limiting block. The floater has the advantage that the floater body and the connecting rod are convenient to assemble.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a float used in an automobile fuel tank. Background Art

[0002] A fuel tank float is a device used to detect the fuel level in a vehicle's fuel tank. It typically consists of a float, a connecting rod connected to the float, and a potentiometer connected to the connecting rod. When the fuel level in the tank changes, the position of the float changes. The connecting rod, in turn, drives the adjustment end of the potentiometer to rotate. The potentiometer then converts the fuel level signal into an electrical signal, which is displayed on the vehicle's instrument panel. Currently, floats on the market are fastened to the connecting rod using bolts or nuts, making assembly of the float and connecting rod inconvenient. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a float for an automobile fuel tank, which has the advantage of convenient assembly of the float body and the connecting rod.

[0004] The utility model provides a float for an automobile fuel tank, comprising a float body connected to one end of a connecting rod, the other end of the connecting rod being connected to a potentiometer located in the automobile fuel tank; the float also comprising a connecting piece; a through hole is provided in the middle of the float body, the connecting piece comprises an insert rod and a limiting plate provided on one end of the insert rod, the insert rod is inserted into the through hole and the limiting plate abuts against one end of the float body, a limiting groove is provided on the other end of the float body, a limiting block is provided on the outer wall of one end of the connecting rod, the limiting block is embedded in the limiting groove to limit the float body and the connecting rod in a circumferential direction, one end of the connecting rod is matched and buckled with the other end of the insert rod, and the float body is limited between the limiting plate and the limiting block.

[0005] By adopting the above structure, the float body can be limited between the limiting plate and the limiting block after one end of the connecting rod is matched and buckled with the other end of the insertion rod, thereby realizing the assembly of the float body and the connecting rod. Compared with the traditional method of fastening the float body and the connecting rod with bolts or nuts, the utility model has the advantage of convenient assembly of the float body and the connecting rod.

[0006] In one possible embodiment, a plug-in column is provided on one end of the connecting rod, and a socket is provided on the other end of the plug-in column, and the plug-in column is inserted into the socket; an annular groove is provided on the outer wall of the plug-in column, and a buckle group corresponding to the annular groove is provided on the inner wall of the socket, and the buckle group includes a plurality of buckles distributed at circumferential intervals, and the plurality of buckles are engaged with the annular groove; by adopting this structure, under the cooperation of the plug-in column and the socket, after the plug-in column is inserted into the socket, the plurality of buckles in the buckle group can be engaged with the annular groove, so that one end of the connecting rod can be reliably engaged with the other end of the plug-in column.

[0007] In one possible embodiment, two annular grooves are provided, and the two annular grooves are spaced apart along the axial direction of the plug-in column, and a reverse buckle group corresponding to the two annular grooves is provided on the inner wall of the socket, and several reverse buckles in each reverse buckle group that are circumferentially spaced apart are engaged with the annular grooves at corresponding positions; after adopting this structure, since two annular grooves are provided, and the two annular grooves are spaced apart along the axial direction of the plug-in column, and several reverse buckles in each reverse buckle group are engaged with the annular grooves at corresponding positions, the fastening strength between one end of the connecting rod and the other end of the plug-in rod can be further improved.

[0008] In one possible embodiment, an annular conical surface is provided on the outer wall of the plug-in post away from the end of the connecting rod, and the annular conical surface is used to cooperate with the inner wall of the socket to guide the plug-in post to facilitate the insertion of the plug-in post into the socket; after the annular conical surface is provided on the outer wall of the plug-in post away from the end of the connecting rod, when the plug-in post is plugged into the socket, the annular conical surface can cooperate with the inner wall of the socket to guide the plug-in post to facilitate the insertion of the plug-in post into the socket, and can facilitate each inverted clip to be connected to the annular groove at the corresponding position.

[0009] In a possible embodiment, the cross-section of the through hole is a square structure, and the shape of the insertion rod is adapted to the shape of the through hole; by adopting this structure, the connecting member can achieve the purpose of circumferential limitation with the float body to prevent the connecting member from rotating relative to the float body.

[0010] In one possible embodiment, a guide surface is provided on the inner wall of the open end of the limit groove, and the guide surface is used to cooperate with the outer edge of the limit block for guidance so that the limit block can be embedded in the limit groove; by providing a guide surface on the inner wall of the open end of the limit groove, when the limit block is engaged with the limit groove, the outer edge of the limit block can cooperate with the guide surface for guidance so that the limit block can be embedded in the limit groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic cross-sectional view of the utility model;

[0012] Figure 2 for Figure 1The schematic diagram of the structure after enlarging at A in the middle;

[0013] Figure 3 This is the first three-dimensional structural diagram of the float body;

[0014] Figure 4 This is a second three-dimensional structural diagram of the float body. DETAILED DESCRIPTION

[0015] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of the present application and are not intended to limit the scope of protection of the embodiments of the present application. Those skilled in the art may adjust them as needed to suit specific application scenarios.

[0016] In the description of the embodiments of this application, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of this application based on the specific circumstances.

[0017] In the embodiments of the present application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0018] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] See also Figure 1-4As shown, the embodiment of the present application discloses a float for an automobile fuel tank, comprising a float body 2 for connecting to one end of a connecting rod 1, the other end of the connecting rod 1 being connected to a potentiometer located in the automobile fuel tank; the float also comprises a connecting piece 3; a through hole 21 is provided in the middle portion of the float body 2, the connecting piece 3 comprises an insert rod 31 and a limit plate 32 provided on one end of the insert rod 31, the insert rod 31 is inserted into the through hole 21 and the limit plate 32 abuts against one end of the float body 2, a limit groove 22 is provided on the other end of the float body 2, a limit block 11 is provided on the outer wall of one end of the connecting rod 1, the limit block 11 is embedded in the limit groove 22 to limit the float body 2 and the connecting rod 1 circumferentially, one end of the connecting rod 1 is engaged and buckled with the other end of the insert rod 31, and the float body 2 is limited between the limit plate 32 and the limit block 11.

[0020] A plug-in column 12 is provided on one end of the connecting rod 1, and a socket 311 is provided on the other end of the plug-in column 31, and the plug-in column 12 is inserted into the socket 311; an annular groove 121 is provided on the outer wall of the plug-in column 12, and a buckle group corresponding to the annular groove 121 is provided on the inner wall of the socket 311, and the buckle group includes a plurality of buckles 312 distributed at circumferential intervals, and the plurality of buckles 312 are engaged with the annular groove 121; by adopting this structure, under the cooperation of the plug-in column and the socket, after the plug-in column is inserted into the socket, the plurality of buckles in the buckle group can be engaged with the annular groove, so that one end of the connecting rod can be reliably engaged with the other end of the plug-in column.

[0021] There are two annular grooves 121, which are spaced apart along the axial direction of the plug-in column 12, and an inverted buckle group corresponding to the two annular grooves 121 is provided on the inner wall of the insertion hole 311. Several inverted buckles 312 distributed at circumferential intervals in each inverted buckle group are engaged with the annular grooves 121 at the corresponding positions. After adopting this structure, since there are two annular grooves, which are spaced apart along the axial direction of the plug-in column, and several inverted buckles in each inverted buckle group are engaged with the annular grooves at the corresponding positions, the fastening strength of one end of the connecting rod and the other end of the plug-in rod can be further improved.

[0022] An annular conical surface 122 is provided on the outer wall of the plug-in column 12 away from the connecting rod 1, and the annular conical surface 122 is used to cooperate with the inner wall of the socket 311 for guiding so that the plug-in column 12 can be inserted into the socket 311; by providing an annular conical surface on the outer wall of the plug-in column away from the connecting rod, when the plug-in column and the socket are plugged in, the annular conical surface can cooperate with the inner wall of the socket for guiding so that the plug-in column can be inserted into the socket, and each undercut can be easily clipped into the annular groove at the corresponding position.

[0023] The cross section of the through hole 21 is a square structure, and the shape of the insertion rod 31 is adapted to the shape of the through hole 21. By adopting this structure, the connecting piece can achieve the purpose of circumferential limitation with the float body to prevent the connecting piece from rotating relative to the float body.

[0024] A guide surface 23 is provided on the inner wall of the open end of the limit groove 22, and the guide surface 23 is used to cooperate with the outer edge of the limit block 11 for guidance so that the limit block 11 can be embedded in the limit groove 22; by providing a guide surface on the inner wall of the open end of the limit groove, when the limit block is engaged with the limit groove, the outer edge of the limit block can cooperate with the guide surface for guidance so that the limit block can be embedded in the limit groove.

[0025] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A float for an automobile fuel tank, comprising a float body (2) connected to one end of a connecting rod (1), the other end of the connecting rod (1) being connected to a potentiometer located in the automobile fuel tank; characterized in that: The float further comprises a connecting member (3); a through hole (21) is provided in the middle of the float body (2); the connecting member (3) comprises an insert rod (31) and a limiting plate (32) provided on one end of the insert rod (31); the insert rod (31) is inserted into the through hole (21) and the limiting plate (32) abuts against one end of the float body (2); a limiting groove (22) is provided on the other end of the float body (2); a limiting block (11) is provided on the outer wall of one end of the connecting rod (1); the limiting block (11) is embedded in the limiting groove (22) so as to circumferentially limit the float body (2) and the connecting rod (1); one end of the connecting rod (1) is engaged and buckled with the other end of the insert rod (31); the float body (2) is limited between the limiting plate (32) and the limiting block (11).

2. The float for automobile fuel tank according to claim 1, characterized in that: A plug-in column (12) is provided on one end of the connecting rod (1), and a socket (311) is provided on the other end of the plug-in rod (31), and the plug-in column (12) is inserted into the socket (311); an annular groove (121) is provided on the outer wall of the plug-in column (12), and an undercut group corresponding to the annular groove (121) is provided on the inner wall of the socket (311), and the undercut group includes a plurality of undercuts (312) distributed at circumferential intervals, and the plurality of undercuts (312) are engaged with the annular groove (121).

3. The float for automobile fuel tank according to claim 2, characterized in that: Two annular grooves (121) are provided, and the two annular grooves (121) are spaced apart along the axial direction of the plug-in column (12). An undercut group corresponding to the two annular grooves (121) is provided on the inner wall of the insertion hole (311), and a plurality of undercuts (312) spaced apart in the circumferential direction in each undercut group are engaged with the annular grooves (121) at corresponding positions.

4. The float for automobile fuel tank according to claim 2 or 3, characterized in that: An annular conical surface (122) is provided on the outer wall of the plug-in column (12) away from the end of the connecting rod (1), and the annular conical surface (122) is used to cooperate with the inner wall of the socket (311) to guide the plug-in column (12) to facilitate the insertion of the plug-in column (12) into the socket (311).

5. The float for automobile fuel tank according to claim 1, characterized in that: The cross section of the through hole (21) is a square structure, and the shape of the insertion rod (31) is adapted to the shape of the through hole (21).

6. The float for automobile fuel tank according to claim 1, characterized in that: A guide surface (23) is provided on the inner wall of the open end of the limiting groove (22), and the guide surface (23) is used to cooperate with the outer edge of the limiting block (11) to guide so that the limiting block (11) can be embedded in the limiting groove (22).