Swing arm mechanism for automobile

Abstract

The utility model discloses a swing arm mechanism for an automobile, which comprises two groups of swing arms which are symmetrically arranged to form a V-shaped structure, and one end of each swing arm is provided with a semi-open fixing hole; the shaft hole is integrally connected with the other end of the swing arm; the fixing pieces are arranged in the fixing holes in one ends of the two sets of swing arms; the connecting piece is of a V-shaped structure and is fixedly connected with the two sets of swing arms and the fixing piece. According to the swing arm mechanism, the swing arm mechanism is composed of the two sets of split swing arms, the connecting pieces and the fixing pieces, all the parts can be simply assembled and disassembled, use is not affected by the structural strength after assembly, disassembly and replacement can be conveniently carried out when problems occur in the follow-up process, and the practicability is high. And resource waste caused by the fact that an existing integrated upper swing arm needs to be integrally replaced when damaged is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, especially relates to a swing arm mechanism for automobile. BACKGROUND

[0002] The swing arm assembly has the guiding and supporting effect of the suspension and is a very important safety part in the automobile suspension, the shape of the swing arm is usually composed of two cross integrated arm bodies, shaft holes are arranged at the free ends of the two arm bodies and spindles are installed, a bushing is arranged between the two ends of the spindle and the shaft hole, an oil nozzle is arranged on the bushing, lubricating oil is filled into the space between the two ends of the spindle and the bushing through the oil nozzle, and an oil seal ring is further arranged at the two ends of the spindle.

[0003] The patent "automobile rear swing arm" with the publication number CN205661272U discloses "an automobile rear swing arm; the swing arm body is integrally formed in a V shape, a mounting hole is arranged at the middle part of the swing arm body, and a bushing assembly is arranged at the two free ends; the left and right parts of the swing arm body are curved to the two sides and the front side with the central axis as the reference." However, the automobile rear swing arm adopts an integrated structure, when a part of the swing arm is broken or damaged, the swing arm needs to be replaced as a whole, which not only increases the maintenance cost but also causes the waste of resources. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the technical problems mentioned in the background art and provides a swing arm mechanism for automobile.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A swing arm mechanism for automobile, comprising:

[0007] Two groups of swing arms, the two groups of swing arms are symmetrically arranged in a V shape structure, and a half-open fixing hole is arranged at one end of the swing arm;

[0008] A shaft hole is integrally connected with the other end of the swing arm;

[0009] A fixing part is arranged in the fixing hole at one end of the two groups of swing arms;

[0010] A connecting part is fixedly connected with the two groups of swing arms and the fixing part in a V shape structure.

[0011] Further description of the above technical scheme:

[0012] The connecting part comprises:

[0013] Two groups of first connecting rods are matched with first grooves arranged at the top of the swing arm;

[0014] Second connecting rod, with one end top fixed connection of two groups of first connecting rod;

[0015] Second stud, fixed connection in the other end bottom of first connecting rod, the first recess is close to the waist hole of one end of shaft hole, second stud passes through the waist hole.

[0016] As the further description of the above technical scheme:

[0017] The fixed part comprises:

[0018] Connecting column, set in the fixed hole, connecting column fixedly connected with positioning rod around, the swing arm one end is provided with the positioning hole matched with the positioning rod;

[0019] Fixed column, fixedly connected in the bottom of connecting column, fixed column passes through the fixed hole;

[0020] First stud, fixedly connected in the top of connecting column, first stud passes through the stepped hole on the second connecting rod.

[0021] As the further description of the above technical scheme:

[0022] The fixed part further comprises:

[0023] Second recess, for the split ring groove set in the swing arm, coaxially arranged with the fixed hole, the radius of second recess is greater than the radius of fixed hole, connecting column is matched with second recess, and the positioning hole is set on the inner wall of second recess.

[0024] As the further description of the above technical scheme:

[0025] It further comprises a nut, which is threadedly connected with the first stud and the second stud.

[0026] As the further description of the above technical scheme:

[0027] The bottom of the swing arm is provided with a mounting groove for accommodating the nut.

[0028] As described above, due to the adoption of the above technical scheme, the beneficial effects of the present application are: aligning the positioning column and the positioning hole, placing the fixed part between the two groups of swing arms, then aligning the first connecting rod and the first recess, and the first stud and the stepped hole, then fixing the first stud and the two groups of second studs through the nut, three-point positioning connection between the swing arm and the connecting piece, ensuring the structural strength of the split swing arm mechanism, after assembling the swing arm mechanism, fixing the swing arm mechanism on the automobile suspension through the connecting column, each part can be simply assembled and disassembled, and the structural strength after assembly does not affect the use, facilitating disassembly and replacement when problems occur subsequently, avoiding the resource waste of the existing integral upper swing arm damage. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 An explosion schematic view of a swing arm mechanism for a car is shown according to an embodiment of the present application;

[0030] Fig. 2 A structure schematic view of a swing arm mechanism for a car is shown according to an embodiment of the present application;

[0031] Fig. 3 A first structure schematic view of a swing arm is shown according to an embodiment of the present application;

[0032] Fig. 4 A second structure schematic view of a swing arm is shown according to an embodiment of the present application;

[0033] Fig. 5 A structure schematic view of a fixing member is shown according to an embodiment of the present application;

[0034] Fig. 6 A structure schematic view of a connecting member is shown according to an embodiment of the present application.

[0035] Legend:

[0036] 1, swing arm; 101, first groove; 102, waist-shaped hole; 103, fixing hole; 104, second groove; 105, positioning hole; 106, mounting groove; 2, shaft hole; 3, fixing member; 31, connecting column; 32, fixing column; 33, first stud; 34, positioning rod; 4, connecting member; 41, first connecting rod; 42, second connecting rod; 4201, stepped hole; 43, second stud; 5, nut. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] Please refer to Figs. 1-6This utility model provides a technical solution: a swing arm mechanism for automobiles, comprising two sets of symmetrically arranged swing arms 1 in a "V" shape. One end of each swing arm 1 has a semi-open fixing hole 103, and a shaft hole 2 is integrally connected to the other end of the swing arm 1. A fixing member 3 is disposed within the fixing hole 103 at one end of each set of swing arms 1. A "V"-shaped connecting member 4 is fixedly connected to the two sets of swing arms 1 and the fixing member 3. The swing arm mechanism consists of two sets of separate swing arms 1, connecting member 4, and fixing member 3. Each part can be easily assembled and disassembled, and the structural strength after assembly does not affect its use. This facilitates disassembly and replacement in case of subsequent problems, avoiding the resource waste of replacing the entire existing one-piece upper swing arm when it is damaged.

[0039] Specifically, such as Figs. 1-4 As shown, the connecting component 4 includes two sets of first connecting rods 41 that mate with the first groove 101 at the top of the swing arm 1. A second connecting rod 42 is fixedly connected to the top of one end of each of the two sets of first connecting rods 41. A second stud 43 is fixedly connected to the bottom of the other end of each of the first connecting rods 41. A waist-shaped hole 102 is provided at the end of the first groove 101 near the shaft hole 2. The second stud 43 passes through the waist-shaped hole 102, and a nut 5 is threadedly engaged with the second stud 43. A mounting groove 106 for accommodating the nut 5 is provided at the bottom of the swing arm 1. The two sets of first connecting rods 41 are fixed to the swing arm 1 respectively, and the second connecting rod 42 is connected to the split ends of the two sets of swing arms 1, thereby fixing the two sets of swing arms 1. A three-point positioning connection is established between the swing arm 1 and the connecting component 4 to ensure the structural strength of the split-type swing arm mechanism.

[0040] Specifically, such as Figs. 3-5 As shown, the fixing component 3 includes a connecting post 31 disposed in the fixing hole 103, a positioning rod 34 fixedly connected around the connecting post 31, a positioning hole 105 that mates with the positioning rod 34 at one end of the swing arm 1, a fixing post 32 fixedly connected to the bottom of the connecting post 31, the fixing post 32 passing through the fixing hole 103, a first stud 33 fixedly connected to the top of the connecting post 31, the first stud 33 passing through the stepped hole 4201 on the second connecting rod 42, a nut 5 threadedly engaged with the first stud 43, the stepped hole 4201 accommodating the nut 5, a second groove 104 being a split annular groove opened on the swing arm 1, coaxially arranged with the fixing hole 103, the radius of the second groove 104 being larger than the radius of the fixing hole 103, the connecting post 31 mates with the second groove 104, and the positioning hole 105 being opened on the inner wall of the second groove 104. The connecting post 31 is used to fix the swing arm mechanism to the vehicle suspension, and the first stud 33 is used to fix the swing arm 1 to the second connecting rod 4, thereby improving the connection strength between the parts and between the swing arm mechanism and the vehicle suspension.

[0041] Working principle: when using, align the positioning column 34 and the positioning hole 105, place the fixing part 3 between the two groups of swing arms 1 and the fixing hole 103, then align the first connecting rod 41 and the first groove 101 and the first stud 33 and the stepped hole 4201, then fix the first stud 33 and the two groups of second studs 43 through the nut 5, three-point positioning connection between the swing arm 1 and the connecting part 4, ensure the structural strength of the split swing arm mechanism, after assembling the swing arm mechanism, fix the swing arm mechanism on the automobile suspension through the connecting column 31, each part can be simply assembled and disassembled, and the structural strength after assembly does not affect the use, and it is convenient to disassemble and replace when problems occur subsequently, avoiding the resource waste of the integral upper swing arm which needs to be replaced as a whole when damaged.

[0042] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A swing arm mechanism for a vehicle, characterized by comprising: The utility model relates to a kind of swing arm structures, including: Two groups of swing arms (1), two groups of swing arms (1) are symmetrically arranged in "V” shape structure, swing arm (1) one end is provided with half-open type fixed hole (103); Shaft hole (2), and the other end of swing arm (1) is integrally connected; Fixing part (3), it is arranged in the fixed hole (103) of two groups of swing arms (1) one end; Connecting piece (4), it is "V” shape structure, and is fixedly connected with two groups of swing arms (1) and fixing part (3).

2. The swing arm mechanism for a vehicle according to claim 1, characterized by The connecting piece (4) includes: Two groups of first connecting rods (41), with the first recess (101) of swing arm (1) top cooperation; Second connecting rod (42), with one end top of two groups of first connecting rods (41) fixed connection; Second stud (43), fixed connection is in the other end bottom of first connecting rod (41), the first recess (101) is provided with waist hole (102) close to one end of shaft hole (2), second stud (43) passes through waist hole (102).

3. The swing arm mechanism for a vehicle according to claim 2, characterized by The fixing part (3) includes: Connecting column (31), it is arranged in fixed hole (103), connecting column (31) is fixedly connected with positioning rod (34) around, the one end of swing arm (1) is provided with the positioning hole (105) cooperation with positioning rod (34); Fixed column (32), fixedly connected in the bottom of connecting column (31), fixed column (32) passes through fixed hole (103); First stud (33), fixedly connected in the top of connecting column (31), first stud (33) passes through the stepped hole (4201) on second connecting rod (42).

4. The swing arm mechanism for a vehicle according to claim 3, characterized by The fixing part (3) further includes: Second recess (104), it is provided on swing arm (1) on the split type annular groove, and second recess (104) is coaxially arranged with fixed hole (103), the radius of second recess (104) is greater than the radius of fixed hole (103), connecting column (31) cooperates with second recess (104), positioning hole (105) is provided on the inner wall of second recess (104).

5. The swing arm mechanism for a vehicle according to claim 4, characterized by It further includes nut (5), nut (5) is threadedly connected with first stud (33) and second stud (43).

6. The swing arm mechanism for a vehicle according to claim 5, characterized by The bottom of swing arm (1) is provided with mounting groove (106) containing nut (5).

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