Connecting assembly part used between automobile parts

Abstract

The utility model discloses a connecting assembly part used among automobile parts, which comprises a base, a first inner groove, a second inner groove and a third inner groove are sequentially formed in the base from top to bottom in a penetrating manner, and the first inner groove, the second inner groove and the third inner groove are sequentially communicated with one another; the bolt assembly is connected to the base; and the sealing ring is connected to the base. According to the invention, an assembly process is innovatively adopted to replace an insert injection molding process, flexible replacement of different types of bolts is realized, through a three-layer inner groove structure arranged on the base and a step-shaped design of the bolt assembly, the mounting precision and flexibility are remarkably improved, the base is manufactured by adopting a double-color injection molding process, and the production cost is reduced. And an integrally formed TPE sealing structure is designed, so that the waterproof performance is greatly improved, and the waterproof requirements of different customers can be flexibly met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, in particular to a connecting assembly for automobile parts. BACKGROUND

[0002] The automobile tail light is an important safety part of the automobile, and its installation precision and sealing performance directly affect the safety performance and appearance of the whole vehicle. In the prior art, the automobile tail light mounting structure usually adopts an injection molding process, and the bolt is directly injected into the base, and an installation mechanism is arranged at the bottom of the base to realize the installation and fixation of the automobile tail light.

[0003] However, the existing automobile tail light mounting structure has the following defects: first, due to the use of injection molding process, the installation and adjustment are poor, and only Y-direction adjustment can be made during actual installation, which is difficult to meet the adjustment requirements of X-direction, affecting the appearance of the whole vehicle; second, the integral injection molding structure leads to a large overall weight, and the product lacks flexibility as a whole, which is not conducive to installation; third, in the traditional design scheme, the bolt and the base are an integral structure, and different specifications of bolts cannot be replaced according to different use environments, and the adaptability is poor; fourth, there is a lack of effective waterproof sealing structure design, which is difficult to meet the waterproof requirements of different customers.

[0004] Therefore, there is an urgent need for an automobile tail light tolerance compensation part that adopts an assembly process, has a bidirectional adjustment function, is light in structure, and has strong adaptability. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a connecting assembly for automobile parts to solve the problems of the existing automobile tail light tolerance compensation part in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a connecting assembly for automobile parts, comprising:

[0007] The base is sequentially provided with a first inner groove, a second inner groove and a third inner groove from top to bottom, and the first inner groove, the second inner groove and the third inner groove are sequentially connected;

[0008] The bolt assembly is connected to the base;

[0009] The sealing ring is connected to the base.

[0010] Preferably, the base adopts a double-color injection molding process.

[0011] Preferably, the bolt assembly comprises:

[0012] The threaded outer cylindrical part;

[0013] An intermediate cylindrical part is integrally connected to the bottom of the threaded outer cylindrical part, and the intermediate cylindrical part is connected to the second inner groove;

[0014] A square bottom is integrally connected to the bottom of the intermediate cylindrical part, and the square bottom is connected to the upper end of the third inner groove.

[0015] Preferably, the diameter of the intermediate cylindrical part is adapted to the inner diameter of the second inner groove and the inner diameter of the lower end of the sealing ring, the lower end of the sealing ring is sleeved outside the upper end of the intermediate cylindrical part, and the inner top surface of the sealing ring is connected to the top surface of the intermediate cylindrical part.

[0016] Preferably, the length and width of the square bottom are adapted to the length and width of the upper end of the third inner groove.

[0017] Preferably, the outer diameter of the sealing ring is adapted to the inner diameter of the first inner groove, the upper end of the sealing ring is sleeved outside the threaded outer cylindrical part, and the top of the sealing ring is integrally connected with a first protruding ring and a second protruding ring.

[0018] Preferably, the bottom inner wall of the base is integrally connected with four groups of limiting ribs, the four groups of limiting ribs are symmetrically arranged in pairs, and one end of the limiting rib extends into the lower end of the third inner groove.

[0019] Preferably, the end of the limiting rib away from the inner wall of the third inner groove is provided with an inclined surface.

[0020] Preferably, the first inner groove is integrally connected with four groups of clamping blocks in a regular annular array, the lower end of the sealing ring is provided with four groups of clamping grooves in a regular annular array, and the four groups of clamping blocks are adaptively connected in the four groups of clamping grooves.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] 1) The application innovatively adopts an assembly process instead of an insert injection molding process, realizes flexible replacement of different types of bolts, and through the three-layer inner groove structure provided on the base and the stepped design of the bolt assembly, not only the Y-direction adjustment function is realized, but also the X-direction adjustment ability is provided, and the installation precision and flexibility are significantly improved.

[0023] 2) The application adopts a double-color injection molding process to manufacture the base, and designs an integrally formed TPE sealing structure, which greatly improves the waterproof performance and can flexibly meet the waterproof requirements of different customers, and the double-layer protruding ring structure provided on the sealing ring provides double sealing protection.

[0024] 3) The bolt assembly of the present application is designed separately from the base, different types of bolts can be replaced according to different tool requirements, and even different specifications of nuts can be replaced according to environmental requirements, which has wide adaptability and universality, and overcomes the difficulty of replacement caused by integral molding in the prior art;

[0025] 4) The base of the present application adopts a hollow design, and four sets of limiting ribs with elastic deformation are arranged at the bottom, the elastic deformation of the limiting ribs realizes quick installation and reliable limiting of the bolt assembly, at the same time, the parts are more lightweight, and the assembly efficiency and product performance are improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the present application;

[0027] Figure 2 is a structural schematic view of the present application after the sealing ring is disassembled;

[0028] Figure 3 is a bottom structural schematic view of the present application;

[0029] Figure 4 is a sectional view of the present application;

[0030] Figure 5 is another sectional view of the present application;

[0031] Figure 6 is a bottom structural schematic view of the sealing ring of the present application;

[0032] Figure 7 is a structural schematic view of the bolt assembly of the present application;

[0033] Figure 8 is a structural schematic view of the present application in use;

[0034] Figure 9 is another structural schematic view of the present application in use.

[0035] In the drawings:

[0036] 1, base; 11, first inner groove; 111, clamping block; 12, second inner groove;

[0037] 13, third inner groove; 14, limiting rib;

[0038] 2, bolt assembly; 21, threaded outer cylindrical part; 22, intermediate cylindrical part;

[0039] 23, square bottom;

[0040] 3, sealing ring; 31, first protruding ring; 32, second protruding ring; 33, clamping groove. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0042] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0043] In the description of the utility model, it should be explained that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0044] Please refer to Figures 1-9 The utility model provides a technical scheme, a connecting assembly for automobile parts, comprising:

[0045] The base 1 is sequentially provided with a first inner groove 11, a second inner groove 12 and a third inner groove 13 from top to bottom, and the first inner groove 11, the second inner groove 12 and the third inner groove 13 are sequentially connected;

[0046] The bolt assembly 2 is connected to the base 1.

[0047] The sealing ring 3 is connected to the base 1.

[0048] Specifically, by sequentially opening the first inner groove 11, the second inner groove 12 and the third inner groove 13 through the base 1 from top to bottom, a stepped internal structure is formed. This design not only provides a stable mounting space for the bolt assembly 2, but also realizes multi-level support. The combination design of the base 1, the bolt assembly 2 and the sealing ring 3 breaks through the limitations of traditional one-piece injection molding process, adopts an assembled structure, so that the product has bidirectional adjustment capability in X and Y directions during installation, can better compensate for installation tolerance, and improve the overall appearance effect. At the same time, this split design also provides convenient conditions for subsequent maintenance and replacement.

[0049] The base 1 adopts a two-color injection molding process. Specifically, first, two-color injection molding can inject materials with different properties in the same mold, so that the base 1 has the characteristics of rigid support and elastic deformation. Second, compared with traditional single-color injection molding, the two-color injection molding process can improve the strength and durability of the product and prolong the service life. Third, this process can optimize the production process while ensuring product performance, improve production efficiency, and reduce manufacturing costs.

[0050] Referring to the drawings accompanying the specification Figure 7 The bolt assembly 2 includes:

[0051] a threaded outer cylindrical portion 21;

[0052] an intermediate cylindrical portion 22 integrally connected to the bottom of the threaded outer cylindrical portion 21, the intermediate cylindrical portion 22 being connected in the second inner groove 12;

[0053] a square bottom 23 integrally connected to the bottom of the intermediate cylindrical portion 22, the square bottom 23 being connected to the upper end of the third inner groove 13.

[0054] Specifically, the bolt assembly 2 adopts a three-section structure design of the threaded outer cylindrical portion 21, the intermediate cylindrical portion 22 and the square bottom 23. This stepped structure design has significant advantages: the threaded outer cylindrical portion 21 ensures the connection strength with other parts; the intermediate cylindrical portion 22 cooperates with the second inner groove 12 to provide stable positioning support; and the square bottom 23 cooperates with the third inner groove 13 to effectively prevent the rotation of the bolt assembly 2. This segmented structure not only ensures the installation precision, but also improves the reliability of the overall assembly.

[0055] Referring to the drawings accompanying the specification Figures 4-5The diameter length of the middle cylindrical portion 22 is matched with the inner diameter length of the second inner groove 12 and the inner diameter length of the lower end of the sealing ring 3. The lower end of the sealing ring 3 is sleeved on the outer side of the upper end of the middle cylindrical portion 22, and the inner top surface of the sealing ring 3 is connected to the top surface of the middle cylindrical portion 22. Specifically, by accurately matching the diameter length of the middle cylindrical portion 22 with the inner diameter length of the second inner groove 12 and the inner diameter length of the lower end of the sealing ring 3, perfect matching is achieved among the three, the lower end of the sealing ring 3 is sleeved on the outer side of the upper end of the middle cylindrical portion 22, and the inner top surface thereof is connected to the top surface of the middle cylindrical portion 22, forming a reliable sealing structure. This precise size matching design not only ensures the positioning accuracy during assembly, but also provides excellent waterproof performance, effectively preventing water from penetrating.

[0056] Reference is made to the accompanying drawings Figures 4-5 The length and width of the square bottom 23 are matched with the length and width of the upper end of the third inner groove 13. Specifically, the accurate matching of the length and width of the square bottom 23 with the length and width of the upper end of the third inner groove 13 forms a perfect anti-rotation mechanism. This design not only effectively prevents the bolt assembly 2 from rotating during use, but also provides accurate assembly positioning, ensuring the stability and reliability of the entire tolerance compensation piece during use.

[0057] The outer diameter length of the sealing ring 3 is matched with the inner diameter length of the first inner groove 11. The upper end of the sealing ring 3 is sleeved on the outer side of the threaded outer cylindrical portion 21, and the top of the sealing ring 3 is integrally connected with the first protruding ring 31 and the second protruding ring 32. Specifically, the sealing ring 3, the first protruding ring 31 and the second protruding ring 32 are made of TPE material, so they have certain deformation ability. The top of the sealing ring 3 is designed with a double-layer sealing structure of the first protruding ring 31 and the second protruding ring 32, forming a multiple sealing protection system. This innovative design greatly improves the waterproof performance of the product. The double-layer sealing structure formed by the first protruding ring 31 and the second protruding ring 32 can effectively meet the waterproof requirements under different working conditions, and can maintain good sealing effect even in harsh environments.

[0058] Specifically, the base 1 is manufactured by using a double-color injection molding process, and an integrally formed TPE sealing structure is designed, which greatly improves the waterproof performance and can flexibly meet the waterproof requirements of different customers. At the same time, the double-layer protruding ring structure provided on the sealing ring 3 made of TPE material provides double sealing protection.

[0059] Reference is made to the accompanying drawings Figures 3-4The inner wall of the bottom of the base 1 is integrally connected with four groups of limiting ribs 14, the four groups of limiting ribs 14 are symmetrically arranged in pairs, and one end of the limiting rib 14 extends to the lower end of the third inner groove 13. Specifically, the symmetrical arrangement of the four groups of limiting ribs 14 not only provides uniform support force, but also realizes quick assembly and reliable limiting of the bolt assembly 2 through the elastic deformation characteristics, greatly improving the assembly efficiency and product stability.

[0060] Referring to the drawings accompanying the specification Figures 3-4 Specifically, in use, the inclined surface design enables the square bottom 23 to smoothly push away the limiting rib 14 during the installation process, realizing elastic deformation, so that the square bottom 23 is installed into the third inner groove 13, and the limiting rib 14 resets after elastic deformation, and the limiting rib 14 after resetting has a limiting effect on the square bottom 23, so as to achieve the effect of quick and accurate installation and positioning. This design not only improves the assembly efficiency, but also reduces the assembly difficulty, while ensuring the reliability of the product.

[0061] Referring to the drawings accompanying the specification Figures 1-2 and the drawings accompanying the specification Figure 6 The first inner groove 11 is integrally connected with four groups of clamping blocks 111 in a regular annular array, the inner wall of the lower end of the sealing ring 3 is provided with four groups of clamping grooves 33 in a regular annular array, and the four groups of clamping blocks 111 are adaptively connected in the four groups of clamping grooves 33. Specifically, the clamping block 111 and the clamping groove 33 form an accurate clamping structure, first, the annular array distribution of the four groups of clamping blocks 111 and the clamping grooves 33 ensures that the sealing ring 3 can be uniformly stressed during installation, avoiding local stress concentration, second, the design of this clamping structure realizes quick positioning and fixing of the sealing ring 3, effectively preventing the sealing ring 3 from rotating or falling off during use, third, the setting of the four groups of clamping points not only provides reliable circumferential positioning, but also further enhances the sealing effect between the sealing ring 3 and the base 1 through the accurate matching of the clamping block 111 and the clamping groove 33, improving the overall waterproof performance. This clamping structure design not only ensures the convenience of assembly, but also significantly improves the use reliability of the product.

[0062] Specifically, through the split design of the bolt assembly 2 and the base 1, different types of bolts can be replaced according to different tool requirements, and even different specifications of nuts can be replaced according to environmental requirements, which has wide adaptability and universality, overcoming the replacement difficulty problem caused by the integral molding in the prior art.

[0063] Specifically, the base 1 of the present application adopts a hollow design, and four groups of limiting ribs 14 with elastic deformation are arranged at the bottom, the quick installation and reliable limiting of the bolt assembly 2 are realized through the elastic deformation of the limiting rib 14, and at the same time, the parts are more lightweight, improving the assembly efficiency and product performance.

[0064] In use, first, the bolt assembly 2 is assembled into the base 1. When assembling, the bolt assembly 2 is installed as a whole from the bottom hollow of the base 1, the square bottom 23 is first pushed through the four limiting ribs 14 at the bottom of the base 1, because the limiting ribs 14 are designed with inclined surfaces, the side surface of the square bottom 23 can smoothly push away the limiting ribs 14, under the elastic deformation of the limiting ribs 14, the square bottom 23 is clamped into the upper end of the third inner groove 13, the length and width of the square bottom 23 are adapted to the size of the upper end of the third inner groove 13, realizing anti-rotation positioning, at the same time, the middle cylindrical part 22 enters the second inner groove 12, and the threaded outer cylindrical part 21 extends out of the upper end of the base 1, for subsequent connection with other parts. Then, the sealing ring 3 is installed on the base 1, when installing, the four sets of clamping grooves 33 on the inner wall of the lower end of the sealing ring 3 are aligned with the four sets of clamping blocks 111 in the first inner groove 11, the sealing ring 3 is pressed in until the clamping blocks 111 are completely embedded in the clamping grooves 33, realizing positioning and fixing of the sealing ring 3, at the same time, the lower end of the sealing ring 3 is sleeved on the outer side of the upper end of the middle cylindrical part 22, the inner top surface of the sealing ring 3 is in contact with the top surface of the middle cylindrical part 22, forming the first sealing. The outer diameter of the sealing ring 3 is adapted to the inner diameter of the first inner groove 11, and the first protruding ring 31 and the second protruding ring 32 at the top form double sealing protection. Finally, after the entire tolerance compensation piece is installed, the threaded outer cylindrical part 21 is connected with the corresponding parts, realizing installation of the automobile tail lamp. Referring to the drawings in the specification Figures 8-9 The opponent piece can be sleeved on the outer side of the threaded outer cylindrical part 21, the opponent piece is placed on the top of the base 1 and the sealing ring 3 at this time, and the nut is screwed on the threaded outer cylindrical part 21, because the nut presses the opponent piece tightly, the first protruding ring 31 and the second protruding ring 32 are extruded at the same time, the second protruding ring 32 is deformed to seal the gap joint of the inner wall of the first inner groove 11, and the first protruding ring 31 is deformed to seal the connection between the threaded outer cylindrical part 21 and the sealing ring 3, in this way, the installation and connection of the tolerance compensation piece and the opponent piece are realized. In the installation process, because the split type design is adopted, the position can be adjusted in the X direction and the Y direction, and the installation tolerance is effectively compensated.

[0065] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A connecting fitting for use between automotive parts, characterized by, The utility model relates to a base (1) is from top to bottom in turn and is provided with first inner groove (11), second inner groove (12) and third inner groove (13) in sequence, and first inner groove (11), second inner groove (12) and third inner groove (13) are connected in sequence, Bolt assembly (2) is connected on base (1), Sealing ring (3) is connected on base (1). The base (1) adopts double-color injection molding process.

2. The connecting assembly for connecting between automobile parts according to claim 1, wherein, The bolt assembly (2) comprises:

3. The connecting assembly for connecting automobile parts as claimed in claim 1 wherein, Threaded outer cylindrical portion (21), Intermediate cylindrical portion (22) is integrally connected to the bottom of threaded outer cylindrical portion (21), and intermediate cylindrical portion (22) is connected in second inner groove (12), Square bottom (23) is integrally connected to the bottom of intermediate cylindrical portion (22), and square bottom (23) is connected to the upper end of third inner groove (13). The diameter length of intermediate cylindrical portion (22) is matched with the inner diameter length of second inner groove (12) and the lower end inner diameter length of sealing ring (3), the lower end of sealing ring (3) is sleeved on the outer side of the upper end of intermediate cylindrical portion (22), and the inner top surface of sealing ring (3) is connected to the top surface of intermediate cylindrical portion (22).

4. The connecting assembly for connecting automobile parts as claimed in claim 3 wherein, The length and width of square bottom (23) are matched with the length and width of the upper end of third inner groove (13).

5. The connecting assembly for connecting automobile parts as claimed in claim 3 wherein, The outer diameter length of sealing ring (3) is matched with the inner diameter length of first inner groove (11), the upper end of sealing ring (3) is sleeved on the outer side of threaded outer cylindrical portion (21), and the top of sealing ring (3) is integrally connected with first convex ring (31) and second convex ring (32).

6. The connecting assembly for connecting automobile parts as claimed in claim 3 wherein, The bottom inner wall of base (1) is integrally connected with four groups of limiting ribs (14), four groups of limiting ribs (14) are symmetrically arranged, and one end of limiting rib (14) extends to the lower end of third inner groove (13).

7. The connecting assembly for connecting automobile parts as claimed in claim 1 wherein, The end of limiting rib (14) away from the inner wall of third inner groove (13) is provided with a slope.

8. The connecting assembly for connecting automobile parts as claimed in claim 7 wherein, Four groups of clamping blocks (111) are integrally connected in regular annular array in first inner groove (11), four groups of clamping grooves (33) are provided in regular annular array on the lower end inner wall of sealing ring (3), and four groups of clamping blocks (111) are matched and connected in four groups of clamping grooves (33).

9. The connecting assembly for connecting automobile parts as claimed in claim 1 wherein, ​

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