Off-axis connecting and fastening assembly

Abstract

The utility model relates to the technical field of fasteners, in particular to an off-axis connection fastening assembly. According to the technical scheme, a cylindrical main body fastening connecting column with the center axis in the vertical direction is included, an integrally-formed fastening and matching connecting base is arranged at the lower end of the main body fastening connecting column, and the projection of the fastening and matching connecting base in the vertical direction is in a regular hexagon shape. The connecting structure is characterized in that the lower end of the fastening matching connecting base is provided with a cylindrical avoiding safety groove with the same center axis as the center axis of the main body fastening connecting column, and one side of the avoiding safety groove is provided with a cylindrical first matching connecting hole completely penetrating through the upper end face of the main body fastening connecting column. The utility model has the advantages that the mounting position of the eccentric matching shaft can be accurately positioned and matched, the matching precision between the eccentric matching shaft and the eccentric matching shaft is ensured, the matching operation during mounting is more convenient, the overall structure is simple, the production and use cost is lower, and the disassembly and assembly of the combined position in the later period are also more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to an off-axis connection fastening assembly. Background Art

[0002] The existing fastening bolt structure is relatively simple and can only play a simple fastening connection. It is unable to position and cooperate with the shaft components. In mechanical equipment components such as gear boxes, when complex shaft components are installed, some shaft components need to ensure that the central axes are not together. When cooperating, multiple auxiliary accessories need to be installed to ensure the accuracy of the installation position. The efficiency during assembly is relatively low and the convenience during maintenance is relatively poor. Utility Model Content

[0003] The purpose of the utility model is to provide an eccentric connecting and fastening component, which adopts a brand-new structural design and an integrally formed structure. By making structural improvements on the basis of bolt-type components, it is able to accurately position and match the installation position of the eccentric mating shaft, thereby ensuring the mutual matching accuracy, making the matching operation during installation more convenient, the overall structure is simple, the cost of production and use is lower, and it is also more convenient to disassemble and assemble the combined position at the later stage.

[0004] The technical solution of the utility model is as follows:

[0005] 14. The repairing kit for automotive dents, according to claim 1, wherein the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut. The bosses comprise a through-hole, a screw bolt, and a nut.

[0006] Furthermore, the depth of the second mating connection hole is greater than the height of the fastening mating connection seat.

[0007] Furthermore, a fastening thread groove is provided on the outer cylindrical surface of the main body fastening connection column.

[0008] Furthermore, the diameter of the avoidance safety groove is larger than the diameter of the main body fastening connection column.

[0009] Furthermore, a spare matching thread groove is provided on the inner cylindrical surface of the avoidance safety groove.

[0010] Beneficial effects of the utility model:

[0011] The utility model adopts a brand-new structural design and an one-piece molded structure. By making structural improvements on the basis of bolt-type components, it can accurately position and match the eccentric mating shaft installation position, thereby ensuring the mutual matching accuracy. The matching operation during installation is more convenient, the overall structure is simple, the cost of production and use is lower, and it is also more convenient to disassemble and assemble the combined position at the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 It is a front schematic diagram of the utility model;

[0014] Figure 3 It is a side schematic diagram of the utility model;

[0015] Figure 4 It is a top view schematic diagram of the utility model;

[0016] Figure 5 It is a bottom view schematic diagram of the utility model;

[0017] Figure 6 It is a schematic diagram of the three-dimensional structure of the utility model in the second direction;

[0018] In the figure: 1. Main body fastening connection column, 2. Fastening matching connection seat, 3. Avoidance safety groove, 4. First matching connection hole, 5. Second matching connection hole. DETAILED DESCRIPTION

[0019] like Figures 1 to 6As shown, an eccentric connection fastening assembly includes a cylindrical main body fastening connection column 1 with a central axis in the up-down direction, and an integrally formed fastening and fitting connection seat 2 is provided at the lower end of the main body fastening connection column 1. The projection of the fastening and fitting connection seat 2 in the up-down direction is a regular hexagon, and this structure is similar to the bolt structure in the prior art. The lower end of the fastening and fitting connection seat 2 is provided with a cylindrical avoidance safety groove 3 with the same central axis as the central axis of the main body fastening connection column 1, which can play a role of avoidance when fitting, and can also be used for positioning fitting, and can play a supporting and fitting role for the main structure. A cylindrical first fitting connection hole 4 that completely penetrates the upper end surface of the main body fastening connection column 1 is provided on one side of the avoidance safety groove 3, and a cylindrical second fitting connection hole 5 is provided at the upper end of the main body fastening connection column 1. They can accurately fit two shaft components that are not in the same straight line, and achieve a connection effect of convenient eccentric fitting installation. The second mating connection hole 5 is connected with the first mating connection hole 4, which is more convenient for production and processing. During installation, the assembly structure in the first mating connection hole 4 will not exceed the position of the second mating connection hole 5, so they will not affect each other during installation. The interconnected structure is only for easier production and processing to ensure that the production cost is relatively low. The central axes of the second mating connection hole 5 and the first mating connection hole 4 are respectively located on both sides of the same plane of the main body fastening connection column 1. The projections of the second mating connection hole 5 and the first mating connection hole 4 in the up and down directions do not exceed the avoidance safety groove 3 or the projection area of ​​the main body fastening connection column 1 in the up and down directions, ensuring that the structural strength of the center position is more reliable when mating, and can meet the load-bearing requirements during mating. It adopts a brand-new structural design and an integrated structure. By improving the structure on the basis of bolt-type components, it can accurately position and match the eccentric mating shaft installation position, ensuring the mutual matching accuracy, more convenient matching operation during installation, simple overall structure, lower production and use costs, and more convenient disassembly and assembly of the combined position in the later stage. It can be used as a combination of complex components or as a separate fastening bolt. It has a wider range of applications and greater flexibility.

[0020] Preferably, the depth of the second mating connection hole 5 is greater than the height of the fastening mating connection seat 2, so that the mating bearing strength at this position is higher during mating and the mating safety is better during later use.

[0021] Preferably, a fastening thread groove is provided on the outer cylindrical surface of the main fastening connection column 1, which can be used as a bolt-type fastening structure for fastening cooperation.

[0022] Preferably, the diameter of the avoidance safety groove 3 is larger than the diameter of the main body fastening connection column 1, so that the matching stability between the upper and lower structures is better, and the lower end position can be positioned and matched with a structure of larger size.

[0023] Preferably, a spare matching thread groove is provided on the inner cylindrical surface of the avoidance safety groove 3, and a stud structure can be combined at this position as needed to further improve the overall combination stability.

[0024] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements or substitutions can be made without departing from the principles of the present invention. These improvements or substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An off-axis connection fastening assembly, comprising a cylindrical main body fastening connection column (1) with a central axis in the up-down direction, the lower end of the main body fastening connection column (1) is provided with an integrally formed fastening fitting connection seat (2), the projection of the fastening fitting connection seat (2) in the up-down direction is a regular hexagon, characterized in that: The lower end of the fastening and fitting connection seat (2) is provided with a cylindrical avoidance safety groove (3) whose central axis is the same as the central axis of the main fastening and connecting column (1); one side of the avoidance safety groove (3) is provided with a cylindrical first fitting connection hole (4) which completely penetrates the upper end surface of the main fastening and connecting column (1); the upper end of the main fastening and connecting column (1) is provided with a cylindrical second fitting connection hole (5); the second fitting connection hole (5) is communicated with the first fitting connection hole (4); the central axes of the second fitting connection hole (5) and the first fitting connection hole (4) are respectively located on both sides of the same plane of the main fastening and connecting column (1); the projections of the second fitting connection hole (5) and the first fitting connection hole (4) in the upper and lower directions do not exceed the area of ​​the projections of the avoidance safety groove (3) or the main fastening and connecting column (1) in the upper and lower directions.

2. The off-axis connection fastening assembly according to claim 1, characterized in that: The depth of the second matching connection hole (5) is greater than the height of the fastening matching connection seat (2).

3. The off-axis connection fastening assembly according to claim 1, characterized in that: A fastening thread groove is provided on the outer cylindrical surface of the main body fastening connection column (1).

4. The off-axis connection fastening assembly according to claim 1, characterized in that: The diameter of the avoidance safety groove (3) is greater than the diameter of the main body fastening connection column (1).

5. The off-axis connection fastening assembly according to claim 1, characterized in that: A spare matching thread groove is provided on the inner cylindrical surface of the avoidance safety groove (3).

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