Stepped guide matching structure

The stepped guide matching structure solves the shaking and assembly instability problems between the combined parts, achieves precise matching and stable installation of parts, reduces production precision requirements, and improves assembly reliability.

CN223427390UActive Publication Date: 2025-10-10WENZHOU CHANGJIANG AUTOMOBILE ELECTRONICS SYST
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Patent Information

Application Number
CN202422908293.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-10
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

In the existing technology, the fitting clearance between the assembled parts is too large, resulting in shaking and unstable assembly. The production precision requirements are high, and it is difficult to meet the requirements of the operating quality.

Method used

The stepped guide matching structure is adopted. Through the design of guide columns and guide grooves, the different widths of the first step and the second step are used to achieve interference fit. Combined with the structure of the arc-shaped transition section and the clearance groove, it ensures precise matching and stable installation of parts.

Benefits of technology

It achieves precise matching and stable assembly between parts, reduces production precision requirements, improves assembly stability and facilitates processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stepped guide matching structure which comprises a connecting frame and a base, a button is arranged on the connecting frame, guide columns formed by extending downwards are arranged on the two sides of the connecting frame respectively, guide grooves are formed in the guide columns, guide parts are arranged at the positions, corresponding to the two guide grooves, of the base respectively, and the guide parts are matched with the guide grooves in an inserted mode. The guide part comprises a first step part and a second step part which are arranged from top to bottom, the width of the first step part is smaller than that of the second step part, the guide groove comprises a first matching area and a second matching area which are arranged from top to bottom, and the first matching area and the second matching area are in interference fit with the first step part and the second step part respectively; the stepped guide structure is arranged, so that all parts can be accurately and stably matched, the parts are prevented from shaking, the requirement for production precision is lowered, and production and machining are facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a stepped guide matching structure. Background Art

[0002] With the continuous advancement of technology and the ever-changing market demand, people have higher and higher requirements for the handling quality of products. This is especially true for combined parts. The clearance between the two parts must be considered. If the clearance between the combined parts is too large, they will shake against each other, making the assembly unstable. Therefore, the processing accuracy of the parts must be guaranteed during production, and the production requirements are relatively high. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a stepped guide fitting structure.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a stepped guide matching structure, comprising a connecting frame and a base, the connecting frame being provided with a button, and both sides of the connecting frame being provided with a guide column extending downward, a guide groove being provided in the guide column, and the base being provided with guide parts corresponding to the two guide groove positions, respectively, the guide parts being plugged into and matched with the guide grooves, the guide parts comprising a first step portion and a second step portion arranged from top to bottom, the width of the first step portion being smaller than the width of the second step portion, the guide groove comprising a first matching area and a second matching area arranged from top to bottom, the first matching area and the second matching area being interference fit with the first step portion and the second step portion respectively.

[0005] As an optimal technical solution of the present invention, a clearance groove corresponding to the position of the guide column is provided in the base, the guide part is integrally formed in the clearance groove, the guide column is guided and matched with the guide part, and the lower end of the guide column is located in the clearance groove.

[0006] As a preferred technical solution of the present invention, the first step portion and the second step portion are connected by a transition section, the two side walls of the transition section are arc-shaped surfaces, and the guide groove also includes a transition zone located between the first matching zone and the second matching zone, and the width of the transition zone is greater than the width of the transition section.

[0007] As a preferred technical solution of the present invention, the guide column has a side opening facing outward and a bottom opening facing downward.

[0008] As an optimal technical solution of the present invention, connecting ears are respectively provided at the centers of both sides of the bottom of the connecting frame, and connecting holes are provided on the connecting ears. Two connecting blocks that can be inserted into the connecting holes are symmetrically provided in the base.

[0009] As a preferred technical scheme of the utility model, two baffles are symmetrically arranged in the base, and two connecting blocks are fixed or integrally formed on the side of the two baffles close to each other.

[0010] As a preferred technical scheme of the utility model, two guiding columns are located at opposite corners of the connecting frame.

[0011] As a preferred technical scheme of the utility model, the connecting frame comprises a connecting plate, an insertion plate is arranged at the center of the upper end of the connecting plate, and an insertion slot for inserting the button is arranged on the insertion plate.

[0012] In summary, the utility model has the beneficial effects that: through the stepped guiding structure, the parts can be accurately and stably matched, part shaking is avoided, the production precision requirement is reduced, production and processing are facilitated, during installation, the guiding column of the connecting frame is aligned with the guiding portion of the base, the guiding portion is loaded along the guiding groove, after assembly, the first matching area and the second matching area are respectively in interference fit with the first stepped portion and the second stepped portion, the stepped structure (i.e. the width between the first stepped portion and the second stepped portion is different) is adopted, and the stable and reliable assembly of two parts is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model;

[0014] Figure 2 is a top view of the utility model;

[0015] Figure 3 is a sectional view of A-A of the utility model;

[0016] Figure 4 is Figure 3 is an enlarged view of part B;

[0017] Figure 5 is a structural schematic view of the connecting frame in the utility model;

[0018] Figure 6 is a structural schematic view of the connecting frame in the utility model from another perspective;

[0019] Figure 7 is a structural schematic view of the base in the utility model.

[0020] Reference signs: 1, connecting frame; 2, base; 3, button; 4, guiding column; 5, guiding groove; 6, guiding portion; 7, first stepped portion; 8, second stepped portion; 9, first matching area; 10, second matching area; 11, accommodation groove; 12, transition section; 13, transition area; 14, side opening; 15, bottom opening; 16, connecting lug; 17, connecting hole; 18, connecting block; 19, connecting plate; 20, insertion plate; 21, baffle. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments and drawings. However, the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0022] The specific embodiments of the present utility model are described below with reference to the accompanying drawings.

[0023] like Figure 1-7 A stepped guide matching structure shown includes a connecting frame 1 and a base 2, a button 3 is provided on the connecting frame 1, and a guide column 4 extending downward is provided on each side of the connecting frame 1, and a guide groove 5 is provided in the guide column 4. Guide parts 6 are respectively provided at the positions corresponding to the two guide grooves 5 on the base 2, and the guide parts 6 are plugged into the guide grooves 5. The guide parts 6 include a first step part 7 and a second step part 8 arranged from top to bottom, and the width of the first step part 7 is smaller than the width of the second step part 8. The guide groove 5 includes a first matching area 9 and a second matching area 10 arranged from top to bottom, and the first matching area 9 and the second matching area 10 are interference fit with the first step part 7 and the second step part 8 respectively. In this embodiment, the two guide columns 4 are located at the diagonals of the connecting frame 1, and the assembled assembly can be used as a button 3 as a whole.

[0024] A clearance groove 11 corresponding to the position of the guide column 4 is provided in the base 2, and the guide part 6 is integrally formed in the clearance groove 11. The guide column 4 is guided and cooperated with the guide part 6 and the lower end of the guide column 4 is located in the clearance groove 11. The guide column 4 has a side opening 14 opening facing outward and a bottom opening 15 opening facing downward.

[0025] The first step portion 7 and the second step portion 8 are connected by a transition section 12, and the two side walls of the transition section 12 are arc-shaped surfaces. The guide groove 5 also includes a transition area 13 located between the first matching area 9 and the second matching area 10, and the width of the transition area 13 is greater than the width of the transition section 12.

[0026] Connecting ears 16 are respectively provided at the centers of both sides of the bottom of the connecting frame 1, and a connecting hole 17 is provided on the connecting ears 16. Two connecting blocks 18 that can be inserted into the connecting holes 17 are symmetrically provided in the base 2. Two baffles 21 are symmetrically provided in the base 2. The two connecting blocks 18 are fixed or integrally formed on the side close to each other of the two baffles 21. The guide column 4 of the connecting frame 1 is aligned with the guide portion 6 of the base 2 until the two connecting blocks 18 are stretched open and enter the connecting holes 17 of the connecting ears 16 to complete the installation.

[0027] The connecting frame 1 includes a connecting plate 19 , and an inserting plate 20 is provided at the center of the upper end of the connecting plate 19 . The inserting plate 20 is provided with a slot for inserting the button 3 .

[0028] Through the stepped guide structure, the various parts can be matched accurately and stably, avoiding the shaking of parts, reducing the production precision requirements, and facilitating production and processing. During installation, the guide column 4 of the connecting frame 1 is aligned with the guide part 6 of the base 2, and the guide part 6 is installed along the guide groove 5. After assembly, the first matching area 9 and the second matching area 10 are respectively interference fit with the first step part 7 and the second step part 8. The use of this stepped structure (i.e., the widths of the first step part 7 and the second step part 8 are different) ensures that the two parts are assembled stably and reliably.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention as claimed, and the scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A stepped guide matching structure, comprising a connecting frame (1) and a base (2), wherein a button (3) is provided on the connecting frame (1), characterized in that: A guide column (4) extending downward is provided on each side of the connecting frame (1), a guide groove (5) is provided in the guide column (4), and a guide portion (6) is provided on the base (2) at the positions corresponding to the two guide grooves (5), and the guide portion (6) is plugged into the guide groove (5). The guide portion (6) includes a first step portion (7) and a second step portion (8) arranged from top to bottom, and the width of the first step portion (7) is smaller than the width of the second step portion (8). The guide groove (5) includes a first matching area (9) and a second matching area (10) arranged from top to bottom, and the first matching area (9) and the second matching area (10) are interference-fitted with the first step portion (7) and the second step portion (8) respectively.

2. The stepped guide matching structure according to claim 1, characterized in that: A clearance groove (11) corresponding to the position of the guide column (4) is provided in the base (2); the guide portion (6) is integrally formed in the clearance groove (11); the guide column (4) and the guide portion (6) are guided and matched, and the lower end of the guide column (4) is located in the clearance groove (11).

3. The stepped guide matching structure according to claim 1, wherein: The first step portion (7) and the second step portion (8) are connected by a transition section (12), and the two side walls of the transition section (12) are arc-shaped curved surfaces. The guide groove (5) also includes a transition area (13) located between the first matching area (9) and the second matching area (10), and the width of the transition area (13) is greater than the width of the transition section (12).

4. The stepped guide matching structure according to claim 1, wherein: The guide column (4) has a side opening (14) opening outward and a bottom opening (15) opening downward.

5. The stepped guide matching structure according to any one of claims 1 to 4, characterized in that: The center of both sides of the bottom of the connecting frame (1) are respectively provided with connecting ears (16), and the connecting ears (16) are provided with connecting holes (17). Two connecting blocks (18) that can be inserted into the connecting holes (17) are symmetrically provided in the base (2).

6. The stepped guide matching structure according to claim 5, characterized in that: Two baffles (21) are symmetrically arranged in the base (2), and the two connecting blocks (18) are fixed or integrally formed on one side of the two baffles (21) close to each other.

7. The stepped guide matching structure according to claim 1, characterized in that: The two guide columns (4) are located at opposite corners of the connecting frame (1).

8. The stepped guide matching structure according to claim 1, wherein: The connecting frame (1) comprises a connecting plate (19), an inserting plate (20) is provided at the center of the upper end of the connecting plate (19), and a slot for inserting the button (3) is provided on the inserting plate (20).