Combined fixing clip

Abstract

The utility model relates to a combined type fixing clip which comprises a clamping ring 1 and a matched positioning column 2. A central positioning rib 1-2 and a flexible clamping pin 1-3 are arranged on the inner wall and a notch of the C-shaped clamping ring body 1-1 respectively, and a supporting clamping pin 2-2 and a positioning groove 2-3 are arranged on the two opposite sides of the positioning column body 2-1 at different heights respectively. When the C-shaped clamping ring is used, the C-shaped clamping ring body 1-1 is arranged on the positioning column body 2-1 in a sleeving mode, it is ensured that the central positioning rib 1-2 is inserted into the positioning groove 2-3, and a part to be fixed is clamped from the upper face and the lower face through the flexible clamping foot 1-3 and the supporting clamping foot 2-2. The combined type fixing clip has the advantages of being simple in structure, small in occupied space, low in cost and the like, disassembly and assembly can be rapidly completed without the help of tools, the stability and the reliability of fixing of automobile lamp parts are improved, and the combined type fixing clip is more flexible compared with a traditional screw and buckle fixing mode.

Description

Technical Field

[0001] The utility model relates to the technical fields of vehicle lamps and tooling fixtures, and particularly relates to a combined fixing clip. Background Art

[0002] The components of vehicle lamps include some plates, such as circuit boards (PCBA boards), decorative plates, etc. How to fix these plates is a problem often faced by R & D personnel. In most cases, traditional screws, buckles, etc. can complete the fixing of plate components, but when the space in the installation direction is insufficient, these fixing methods often fail because the limited installation space cannot meet the length of the buckle rebound or the length of the screw (more than 13 mm). To solve this practical problem, we have developed a new type of plate fixing clip. Content of the Utility Model

[0003] The utility model provides a combined fixing clip, which includes a clamping ring 1 and a matching positioning post 2. The clamping ring 1 includes a C-shaped clamping ring body 1-1, a central positioning rib 1-2, and flexible clamping feet 1-3. The central positioning rib 1-2 and the flexible clamping feet 1-3 are both arranged on the C-shaped clamping ring body 1-1; the positioning post 2 includes a positioning post body 2-1, a supporting clamping foot 2-2, and a positioning groove 2-3. The supporting clamping foot 2-2 and the positioning groove 2-3 are both arranged on the positioning post body 2-1; the C-shaped clamping ring body 1-1 is detachably sleeved on the positioning post body 2-1, the central positioning rib 1-2 is inserted into the positioning groove 2-3, and the part to be fixed is clamped and fixed by the flexible clamping feet 1-3 and the supporting clamping feet 2-2.

[0004] Further, the central positioning rib 1-2 is arranged on the inner wall of the C-shaped clamping ring body 1-1 and faces the notch of the C-shaped clamping ring body 1-1.

[0005] Further, the flexible clamping feet 1-3 extend outwards from the notch of the C-shaped clamping ring body 1-1 and cooperate with the supporting clamping feet 2-2 to fix the part.

[0006] Furthermore, a stepped inclined surface 1-4 is arranged at the bottom of the flexible clamping feet 1-3 (i.e., the end face facing the part to be fixed). The main function of the stepped inclined surface is to guide the clamping ring and the positioning post to be assembled together and avoid scratching the part to be fixed.

[0007] Further, the supporting clamping feet 2-2 and the positioning grooves 2-3 are respectively located on the left and right or front and back sides of the positioning post body 2-1, and the supporting clamping feet 2-2 are close to the bottom of the positioning post body 2-1, and the positioning grooves 2-3 are close to the middle and upper parts of the positioning post body 2-1.

[0008] Further, the parts to be fixed include PCBA boards and vehicle lamp decorative plates.

[0009] The combined fixing clip provided by the present utility model has the advantages of simple structure, small occupied space, low cost, etc. By the cooperation between the buckle and the positioning post, the lamp components can be reliably fixed, preventing them from moving or flipping, and greatly improving the stability and reliability. In addition, the combined fixing clip is simple to disassemble and assemble, and can be completed without the aid of tools, and is more flexible than traditional screws and buckles in the fixing direction. Description of the Drawings

[0010] Figure 1 It is a three-dimensional schematic view of the snap ring of the combined fixing clip described in the present utility model.

[0011] Figure 2 It is the front view of the snap ring of the combined fixing clip described in the present utility model.

[0012] Figure 3 It is the side view of the snap ring of the combined fixing clip described in the present utility model.

[0013] Figure 4 It is the side schematic view of the positioning post of the combined fixing clip described in the present utility model.

[0014] Figure 5 It is the three-dimensional schematic view of the combined fixing clip described in the present utility model.

[0015] Figure 6 It is the top view of the combined fixing clip described in the present utility model.

[0016] Figure 7 It is Figure 6 the cross-sectional schematic view.

[0017] Figure 8 It is the working state schematic view of the combined fixing clip described in the present utility model.

[0018] Wherein: snap ring 1, C-shaped snap ring body 1-1, central positioning rib 1-2, flexible foot 1-3, stepped inclined surface 1-4, positioning post 2, positioning post body 2-1, support foot 2-2, positioning groove 2-3. Detailed Embodiment

[0019] To enable those of ordinary skill in the art to fully understand the technical solution of the present utility model, the following further description is made in conjunction with specific embodiments and the accompanying drawings.

[0020] Such as Figure 1-8A combined fixing clip as shown includes a movable snap ring 1 and a positioning post 2 fixed on a base (such as a lamp housing). A snap ring and a positioning post form a set of fixing clips. By arranging multiple sets of such fixing clips along each side of the PCBA board, it can be locked, and this fixing method can be disassembled and reassembled repeatedly. The height of this combined fixing clip is only a few millimeters, so it will not compress the internal space of the lamp body, which is beneficial to the reasonable arrangement of each part.

[0021] The outer shape of the snap ring 1 is a ring with a notch, that is, a C-shaped snap ring body 1-1. In the middle of the inner wall of the C-shaped snap ring body 1-1 opposite the notch, a central positioning rib 1-2 protrudes. The end of the C-shaped snap ring body 1-1 extends outward along the direction of the central positioning rib 1-2 to form a pair of flexible feet 1-3, and the bottom surface of the flexible feet 1-3 is a stepped inclined surface 1-4.

[0022] The positioning post 2 is a cylindrical post with a diameter slightly smaller than the inner diameter of the snap ring 1, that is, a positioning post body 2-1. At the bottom of the positioning post body 2-1, a supporting foot 2-2 protrudes outward. At a position slightly above the middle on the other side opposite to the positioning post body 2-1 and the supporting foot 2-2, a positioning groove 2-3 is provided.

[0023] During assembly, first, according to the size and shape of the PCBA board to be fixed, the positioning posts 2 are formed at various points on the base in advance. Then, the PCBA board is placed in the installation position, and then the snap ring 1 is sleeved on the positioning post 2, ensuring that the central positioning rib 1-2 is inserted into the positioning groove 2-3. The upper and lower installation surfaces of the PCBA board are clamped by the supporting feet 2-2 and the flexible feet 1-3, thereby locking and fixing it. When disassembling, only need to pull out the snap ring 1 one by one, and the PCBA board can be removed for maintenance or replacement.

[0024] This combined fixing clip is not only applicable to the PCBA board of vehicle lamps, but also applicable to other board components on the vehicle, such as decorative boards and so on.

Claims

1. A combined fixing clip, characterized in that: The combined fixing clip includes a clamping ring (1) and a matching positioning post (2). The clamping ring (1) includes a C-shaped clamping ring body (1-1), a central positioning rib (1-2), and flexible clamping feet (1-3). The central positioning rib (1-2) and the flexible clamping feet (1-3) are both arranged on the C-shaped clamping ring body (1-1). The positioning post (2) includes a positioning post body (2-1), supporting clamping feet (2-2), and a positioning groove (2-3). The supporting clamping feet (2-2) and the positioning groove (2-3) are both arranged on the positioning post body (2-1). The C-shaped clamping ring body (1-1) is sleeved on the positioning post body (2-1), and the central positioning rib (1-2) is inserted into the positioning groove (2-3). The part to be fixed is clamped between the flexible clamping feet (1-3) and the supporting clamping feet (2-2).

2. The combined fixing clip according to claim 1, characterized in that: The central positioning rib (1-2) is arranged on the inner wall of the C-shaped clamping ring body (1-1) and faces the notch of the C-shaped clamping ring body (1-1).

3. The combined fixing clip according to claim 1, characterized in that: The flexible clamping feet (1-3) extend outward from the notch of the C-shaped clamping ring body (1-1).

4. The combined fixing clip according to claim 3, wherein: A stepped inclined surface (1-4) is arranged on the side of the flexible clamping feet (1-3) facing the part to be fixed.

5. The combined fixed clip according to claim 1, wherein: The supporting clamping feet (2-2) and the positioning groove (2-3) are respectively located on opposite sides of the positioning post body (2-1). The supporting clamping feet (2-2) are close to the bottom of the positioning post body (2-1), and the positioning groove (2-3) is close to the middle and upper part of the positioning post body (2-1).

6. The combined fixing clip according to claim 1, characterized in that: The parts to be fixed include a PCBA board and a lamp decoration board.

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