Combined anti-loosening suspension bolt for engine compartment

Abstract

A combined anti-loosening suspension bolt for an engine compartment, characterized in that it comprises a pull nail, a threaded sleeve, a positioning nut and an external hexagonal nut, one end of the threaded sleeve is connected to the pull nail, and the other end is provided with an external hexagonal nut, and the positioning nut is arranged on the threaded sleeve and located between the pull nail and the external hexagonal nut; it can reduce the processing cost of parts, reduce the disassembly of parts, has strong flexibility and adjustability, can work in a small space, and reduce the difficulty of installation.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile engine compartment assembly, and specifically relates to a combined anti-loosening suspension bolt for an engine compartment. Background Art

[0002] With current technology, the suspension bolts of a car engine compartment are generally welded or riveted. The positions of the suspension bolts are usually designed in advance, but if additional positions are needed or there are minor changes, the parts need to be redesigned and manufactured, which not only prolongs the construction period but also increases the production cost. Rivet nuts with similar functions require the use of corresponding tools, so they are not suitable for some narrow spaces. Utility Model Content

[0003] The purpose of the utility model is to provide a combined anti-loosening suspension bolt for the engine compartment in order to solve the technical problems existing in the suspension bolts of the automobile engine compartment in the above-mentioned prior art, which can reduce the processing cost of parts, reduce the disassembly of parts, has strong flexibility and adjustability, can work in a small space, and reduces the difficulty of installation.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] A combined anti-loosening suspension bolt for an engine compartment, characterized in that it comprises a pull nail, a threaded sleeve, a positioning nut and an external hexagonal nut, one end of the threaded sleeve is connected to the pull nail, and the other end is provided with an external hexagonal nut, and the positioning nut is arranged on the threaded sleeve and located between the pull nail and the external hexagonal nut;

[0006] The pull nail comprises a first cylindrical surface, a first conical surface and a first connecting rod, the first connecting rod is provided with a first connecting rod external thread, the first cylindrical surface, the first conical surface and the first connecting rod are sequentially combined to form the pull nail, the inner hole at the end of the first connecting rod external thread is provided with a first internal hexagon, and the inner hole at the end of the first cylindrical surface is provided with a second internal hexagon;

[0007] The outer surface of the threaded sleeve is provided with a second external thread, the inner hole surface of one end of the threaded sleeve is provided with a second internal thread, the outer surface of the other end is provided with a second long groove, and the inner hole port of the other end of the threaded sleeve is provided with a second countersunk hole;

[0008] The outer surface of the positioning nut is provided with a third outer knurling, the inner hole surface of the positioning nut is provided with a third inner thread, and one end of the positioning nut is provided with a third boss.

[0009] Beneficial Effects

[0010] The utility model provides a combined anti-loosening suspension bolt for an engine compartment, which comprises a pull nail, a threaded sleeve, a positioning nut and an external hexagonal nut. One end of the threaded sleeve is connected to the pull nail, and the other end is provided with an external hexagonal nut. The positioning nut is arranged on the threaded sleeve and is located between the pull nail and the external hexagonal nut. The utility model can reduce the processing cost of parts and reduce the disassembly of parts. It is highly flexible and adjustable, can work in a small space, and reduces the difficulty of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a product diagram in an embodiment of the present utility model.

[0012] Figure 2 It is an exploded view of an embodiment of the utility model.

[0013] Figure 3a The pull nail in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 3b The pull nail in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 4a The threaded sleeve in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 4b The threaded sleeve in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 5a The positioning nut in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 5b The positioning nut in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 6 This is a schematic diagram of the installation of the suspension bolts of the embodiment of the utility model; DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0023] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, a first feature being “above”, “above” or “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” or “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.

[0024] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more related listed items.

[0025] Example

[0026] As attached Figure 1 and 2 As shown, a combined anti-loosening suspension bolt for an engine compartment comprises a pull nail 1, a threaded sleeve 2, a positioning nut 3 and an external hexagonal nut 4. One end of the threaded sleeve 2 is connected to the pull nail 1, and the other end is provided with the external hexagonal nut 4. The positioning nut 3 is arranged on the threaded sleeve 2 and located between the pull nail 1 and the external hexagonal nut 4.

[0027] As attached Figure 3a and 3bAs shown, the pull nail 1 includes a first cylindrical surface 101, a first conical surface 102 and a first connecting rod 103, the first connecting rod 103 is provided with a first connecting rod external thread 103a, the first cylindrical surface 101, the first conical surface 102 and the first connecting rod 103 are sequentially combined to form the pull nail 1, the inner hole at the end of the first connecting rod external thread 103a is provided with a first internal hexagon 104, and the inner hole at the end of the first cylindrical surface 101 is provided with a second internal hexagon 105;

[0028] As attached Figure 4a and 4b As shown, the outer surface of the threaded sleeve 2 is provided with a second external thread 201, the inner hole surface of one end of the threaded sleeve 2 is provided with a second internal thread 202, the outer surface of the other end is provided with a second long groove 203, and the inner hole port of the other end of the threaded sleeve 2 is provided with a second countersunk hole 204;

[0029] As attached Figure 5a and 5b As shown, the outer surface of the positioning nut 3 is provided with a third outer knurling 301 , the inner hole surface of the positioning nut 3 is provided with a third inner thread 302 , and one end of the positioning nut 3 is provided with a third boss 303 .

[0030] The utility model is a combined anti-loosening suspension bolt for an engine compartment. Figure 6 The specific usage is as follows:

[0031] First, the combined anti-loosening suspension bolts are as follows Figure 6 As shown in ①, according to the thickness of the plate 100, adjust the position of the positioning nut 3 on the threaded sleeve 2. After the adjustment is completed; Figure 6 ② Insert the third boss 303 of the positioning nut 3 into the sheet metal hole 100a; Figure 6 As shown in ③, use an inner hexagon wrench to rotate the second inner hexagon 105 in the pull nail 1 clockwise. During the rotation, the pull nail 1 moves forward, so that the first cone surface 102 on the pull nail 1 squeezes the second countersunk hole 204 in the threaded sleeve 2, forcing the second external thread 201 of the threaded sleeve 2 to open. Finally, the second external thread 201 and the positioning nut 3 are clamped on the side wall of the sheet metal, thereby achieving fixation; as shown in the attached figure Figure 6 As shown in ④, the wire harness bracket 200 is inserted into the front end of the threaded sleeve 2, and the external hexagonal nut 4 is locked to fix the wire harness bracket or other parts.

[0032] The utility model is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various variations of the utility model according to the above description. Therefore, some details in the embodiments should not constitute a limitation of the utility model, and the utility model shall be protected within the scope defined by the attached claims.

Claims

1. A combined anti-loosening suspension bolt for an engine compartment, characterized in that: It comprises a pull stud (1), a threaded sleeve (2), a positioning nut (3) and an external hexagonal nut (4); one end of the threaded sleeve (2) is connected to the pull stud (1), and the other end is provided with the external hexagonal nut (4); the positioning nut (3) is arranged on the threaded sleeve (2) and is located between the pull stud (1) and the external hexagonal nut (4); The pull stud (1) comprises a first cylindrical surface (101), a first conical surface (102) and a first connecting rod (103); the first connecting rod (103) is provided with a first connecting rod external thread (103a); the first cylindrical surface (101), the first conical surface (102) and the first connecting rod (103) are sequentially combined to form the pull stud (1); the inner hole at the end of the first connecting rod external thread (103a) is provided with a first internal hexagon (104); and the inner hole at the end of the first cylindrical surface (101) is provided with a second internal hexagon (105); The outer surface of the threaded sleeve (2) is provided with a second external thread (201), the inner hole surface of one end of the threaded sleeve (2) is provided with a second internal thread (202), the outer surface of the other end is provided with a second long groove (203), and the inner hole port of the other end of the threaded sleeve (2) is provided with a second countersunk hole (204); The outer surface of the positioning nut (3) is provided with a third outer knurling (301), the inner hole surface of the positioning nut (3) is provided with a third inner thread (302), and one end of the positioning nut (3) is provided with a third boss (303).

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