Damping structure for automobile driving rear axle

Abstract

The utility model discloses a shock absorption structure for an automobile driving rear axle, which relates to the technical field of automobile driving shock absorption and comprises a main axle body and a connecting frame, fixed seats are fixedly mounted on two sides of the main axle body, the outer surfaces of the fixed seats movably abut against fixed discs, movable rods are movably mounted on the inner side surface of the connecting frame, and the movable rods are movably connected with the fixed discs. A damping mechanism convenient to stabilize is arranged between the fixed seat and the movable rod; buffer springs are fixedly mounted on the outer surface of the main bridge body, fixing seats are fixedly mounted on the outer surfaces of the connecting frames, and positioning mechanisms are arranged between the connecting frames and the buffer springs. After the damping structure for the automobile driving rear axle is collided, the positioning seat is utilized to drive the movable rod to move, the movable rod drives the sliding seat to move, the sliding seat drives the buffer spring to stretch out and draw back, and the sliding seat drives the damping spring to stretch out and draw back, so that impact force and vibration generated by collision are relieved, damage to equipment is reduced, and the service life of the equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile drive damping technical field, concretely is a damping structure for automobile drive rear axle. BACKGROUND

[0002] The automobile is the important traffic tool of modern society, and the automobile drive axle is installed main reducer, differential, half axle, wheel assembly matrix, and its main function is to support and protect main reducer and differential.

[0003] But the existing automobile drive rear axle in use whole axle bears load, and the rear cover and the bridge shell middle segment alternate in the welding seam of the bridge shell middle segment to the bridge shell end extension direction, easy to crack failure.

[0004] In order to solve the above-mentioned defects, the prior art, the publication number CN218986243U discloses an automobile drive axle, including bridge shell, reinforcing ring and rear cover;The bridge shell includes bridge shell middle segment and the bridge shell end of the bridge shell middle segment both sides;The bridge shell middle segment is provided with the fixed hole of through;The fixed hole one side, the reinforcing ring and the rear cover are sequentially fixed connection, the bridge shell and the rear cover of automobile drive axle are added reinforcing ring, through the fixed hole connection of rear cover and reinforcing ring, reinforcing ring and bridge shell, the strength of rear cover connecting place is enhanced;In other some embodiments, the guide bracket is arranged at the reinforcing ring, through the guide pin on the bearing seat of main reducer assembly and the guide hole on the guide bracket cooperation, facilitate the assembly of main reducer, in providing assembly guide, in the operation of main reducer, also can pass through guide bracket transmission to reinforcing ring, improve the stability and life of whole automobile drive axle.

[0005] The above-mentioned device in the use process utilizes reinforcing ring to enhance the strength of rear cover connecting place, but the reinforcing ring in the above-mentioned device only enhances the strength of rear cover connecting place, and the vibration generated after the drive rear axle is collided can damage the internal equipment, thereby causing greater damage, so in actual use process, the vibration generated after the drive rear axle is collided can damage the internal equipment. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a damping structure for automobile drive rear axle to solve the problem that the vibration generated after the drive rear axle is collided can damage the internal equipment in the above-mentioned background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a shock attenuation structure for automobile driving rear axle, including main bridge body and connecting frame, both sides of main bridge body are fixedly installed with fixed seat, the outer surface of fixed seat is swingly contacted with fixed disc, the inner side surface of connecting frame is swingly installed with movable rod, and the fixed seat and movable rod are provided with shock attenuation mechanism convenient for stabilization, the outer surface of main bridge body is fixedly installed with buffer spring, the outer surface of connecting frame is fixedly installed with fixed seat, and the connecting frame and buffer spring are provided with positioning mechanism.

[0008] Further, the inner side surface of the fixed disc is fixedly installed with a rotating rod, the outer surface of the rotating rod is fixedly installed with a connecting shaft, and the outer surface of the connecting shaft is fixedly installed with a shaft coupling.

[0009] Further, the outer surface of the shaft coupling is fixedly installed with a gear one, the outer surface of the gear one is rotatably installed with a gear two, the outer surface of the gear two is fixedly installed with a driving rod, and the gear one and the gear two form a gear meshing structure.

[0010] Further, the outer surface of the gear one is fixedly installed with a connecting rod, the outer surface of the connecting rod is fixedly installed with a transmission rod, the connecting rod is swingly installed at the inner end of the main bridge body, and the connecting rod and the transmission rod form an integrated structure.

[0011] Further, the shock attenuation mechanism comprises a shock attenuation spring, the shock attenuation spring is fixedly installed on the outer surface of the main bridge body, the outer surface of the shock attenuation spring is fixedly installed with a sliding seat, and the shock attenuation spring and the sliding seat form an extension structure.

[0012] Further, the positioning mechanism comprises a positioning seat, the positioning seat is fixedly installed on the outer surface of the movable rod, the movable rod is fixedly installed on the outer surface of the sliding seat, the outer surface of the positioning seat is fixedly installed with a return spring, and the positioning seat and the return spring form an extension structure.

[0013] Further, the positioning seat is swingly installed on the outer surface of the driving rod, the outer surface of the driving rod is fixedly installed with a plug-in rod, the driving rod is swingly installed on the inner side surface of the connecting frame, and the return spring is fixedly installed on the outer surface of the connecting frame.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The shock attenuation structure for automobile driving rear axle has the following specific contents:

[0016] 1, through the driving rod drives gear two to rotate, gear two drives gear one to carry out gear meshing operation, gear one drives shaft coupling to rotate, shaft coupling drives connecting shaft to drive rotating rod to rotate, rotating rod drives fixed disc to rotate, thereby facilitating the stable operation of the equipment;

[0017] Further, the main bridge body and the fixing seat are used to increase the protection of the internal parts, thereby improving the safety of the equipment and reducing the damage of the parts.

[0018] 2. The external driving assembly is connected through the insertion rod to rotate, the insertion rod drives the driving rod to rotate, the driving rod is positioned and supported by the connecting frame, thereby increasing the protection of the driving rod, the reset spring installed on the connecting frame is convenient for the extension and retraction of the positioning seat, thereby relieving the vibration in the collision and improving the stability of the equipment.

[0019] Further, after the collision, the positioning seat drives the movable rod to move, the movable rod drives the sliding seat to move, the sliding seat drives the buffer spring to extend and retract, and the sliding seat drives the damping spring to extend and retract, thereby relieving the impact force and vibration generated in the collision, reducing the damage of the equipment, and thereby increasing the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a main bridge body cross section structure schematic view of the utility model;

[0022] Figure 3 It is a coupling three-dimensional structure schematic view of the utility model;

[0023] Figure 4 It is a fixing seat cross section structure schematic view of the utility model;

[0024] Figure 5 It is a connecting frame three-dimensional structure schematic view of the utility model;

[0025] Figure 6 It is a sliding seat cross section structure schematic view of the utility model.

[0026] In the drawing: 1, main bridge body; 2, connecting frame; 3, fixing seat; 4, fixed disc; 5, rotating rod; 6, connecting shaft; 7, coupling; 8, gear one; 9, connecting rod; 10, transmission rod; 11, gear two; 12, driving rod; 13, damping spring; 14, sliding seat; 15, movable rod; 16, positioning seat; 17, reset spring; 18, insertion rod; 19, buffer spring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Embodiment one: please refer to Figure 1 Figure 6 The utility model provides the following technical scheme: a kind of shock-absorbing structure for automobile driving rear axle, including main axle body 1 and connecting frame 2, the both sides of main axle body 1 are fixedly installed with fixed seat 3, the outer surface of fixed seat 3 is movably contacted with fixed disc 4, the inner side of connecting frame 2 is movably installed with movable rod 15, and shock-absorbing mechanism for facilitating stability is arranged between fixed seat 3 and movable rod 15;The outer surface of main axle body 1 is fixedly installed with buffer spring 19, the outer surface of connecting frame 2 is fixedly installed with fixed seat 3, and positioning mechanism is arranged between connecting frame 2 and buffer spring 19.

[0029] The shock-absorbing mechanism for facilitating stability arranged between fixed seat 3 and movable rod 15 reduces the vibration generated by collision, thereby increasing the stability of the whole, reducing the damage of equipment, and the positioning mechanism arranged between connecting frame 2 and buffer spring 19 supports the shock-absorbing mechanism, thereby improving the overall protection.

[0030] Embodiment two: on the basis of embodiment one, please refer to Figure 1 Figure 6 Also disclosed is main axle body 1, and its specific structure is as follows: the inner side of fixed disc 4 is fixedly installed with rotating rod 5, the outer surface of rotating rod 5 is fixedly installed with connecting shaft 6, and the outer surface of connecting shaft 6 is fixedly installed with shaft coupling 7, the outer surface of shaft coupling 7 is fixedly installed with gear one 8, the outer surface of gear one 8 is rotatably installed with gear two 11, the outer surface of gear two 11 is fixedly installed with driving rod 12, and gear one 8 and gear two 11 form gear meshing structure, the outer surface of gear one 8 is fixedly installed with connecting rod 9, the outer surface of connecting rod 9 is fixedly installed with transmission rod 10, connecting rod 9 is movably installed in the inner end of main axle body 1, and connecting rod 9 and transmission rod 10 form integrated structure.

[0031] Rotating gear two 11 drives gear one 8 to rotate, gear one 8 drives shaft coupling 7 to rotate, shaft coupling 7 drives connecting shaft 6 to drive rotating rod 5 to rotate, rotating rod 5 drives fixed disc 4 to rotate, thereby facilitating the stable operation of equipment, the protection of internal components is increased by main axle body 1 and fixed seat 3, thereby improving the safety of equipment and reducing the damage of components.

[0032] ​​Embodiment three: on the basis of embodiment one, please refer to Figure 1 Figure 6 Further disclosed is the sliding seat 14, which is specifically structured as follows: the damping mechanism comprises a damping spring 13 fixedly installed on the outer surface of the main bridge body 1, the outer surface of the damping spring 13 is fixedly installed with the sliding seat 14, and the damping spring 13 and the sliding seat 14 form an extension structure; the positioning mechanism comprises a positioning seat 16 fixedly installed on the outer surface of the movable rod 15, the movable rod 15 is fixedly installed on the outer surface of the sliding seat 14, and the outer surface of the positioning seat 16 is fixedly installed with a return spring 17, and the positioning seat 16 and the return spring 17 form an extension structure; the positioning seat 16 is movably installed on the outer surface of the driving rod 12, the outer surface of the driving rod 12 is fixedly installed with a plug-in rod 18, the driving rod 12 is movably installed on the inner side surface of the connecting frame 2, and the return spring 17 is fixedly installed on the outer surface of the connecting frame 2.

[0033] The plug-in rod 18 is connected with an external driving assembly for rotation, the plug-in rod 18 drives the driving rod 12 to rotate, the connecting frame 2 is used for positioning and supporting the driving rod 12, so as to increase the protection of the driving rod 12, and the return spring 17 installed on the connecting frame 2 facilitates the resetting of the positioning seat 16 after extension, so as to relieve the vibration in the collision and improve the stability of the equipment; after the collision, the positioning seat 16 drives the movable rod 15 to move, the movable rod 15 drives the sliding seat 14 to move, the sliding seat 14 drives the buffer spring 19 to extend and retract, and the sliding seat 14 drives the damping spring 13 to extend and retract, so as to relieve the impact force and vibration generated in the collision and reduce the damage of the equipment, thereby increasing the service life of the equipment.

[0034] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] Although the present application 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 for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.​

Claims

1. A shock-absorbing structure for a driving rear axle of an automobile, comprising a main axle body (1) and a connecting frame (2), characterized in that: fixed seats (3) are fixedly installed on both sides of the main axle body (1), the outer surfaces of the fixed seats (3) movably abut against fixed discs (4), movable rods (15) are movably installed on the inner side surfaces of the connecting frame (2), and a shock-absorbing mechanism for facilitating stability is arranged between the fixed seats (3) and the movable rods (15); a buffer spring (19) is fixedly installed on the outer surface of the main axle body (1), a fixed seat (3) is fixedly installed on the outer surface of the connecting frame (2), and a positioning mechanism is arranged between the connecting frame (2) and the buffer spring (19). a rotating rod (5) is fixedly installed on the inner side surface of the fixed disc (4), a connecting shaft (6) is fixedly installed on the outer surface of the rotating rod (5), and a shaft coupling (7) is fixedly installed on the outer surface of the connecting shaft (6).

2. The damping structure for a driving rear axle of an automobile according to claim 1, characterized in that: a gear one (8) is fixedly installed on the outer surface of the shaft coupling (7), a gear two (11) is rotatably installed on the outer surface of the gear one (8), a driving rod (12) is fixedly installed on the outer surface of the gear two (11), and the gear one (8) and the gear two (11) form a gear meshing structure.

3. The damping structure for a driving rear axle of an automobile according to claim 2, characterized in that: a connecting rod (9) is fixedly installed on the outer surface of the gear one (8), a transmission rod (10) is fixedly installed on the outer surface of the connecting rod (9), the connecting rod (9) is movably installed at the inner end of the main axle body (1), and the connecting rod (9) and the transmission rod (10) form an integrated structure.

4. The damping structure for a driving rear axle of an automobile according to claim 3, characterized in that: the shock-absorbing mechanism comprises a shock-absorbing spring (13) which is fixedly installed on the outer surface of the main axle body (1), the outer surface of the shock-absorbing spring (13) is fixedly installed with a sliding seat (14), and the shock-absorbing spring (13) and the sliding seat (14) form an extension structure.

5. The damping structure for a driving rear axle of an automobile according to claim 1, characterized in that: the positioning mechanism comprises a positioning seat (16) which is fixedly installed on the outer surface of the movable rod (15), the movable rod (15) is fixedly installed on the outer surface of the sliding seat (14), the outer surface of the positioning seat (16) is fixedly installed with a return spring (17), and the positioning seat (16) and the return spring (17) form an extension structure.

6. The damping structure for a driving rear axle of an automobile according to claim 1, characterized in that: the positioning seat (16) is movably installed on the outer surface of the driving rod (12), the outer surface of the driving rod (12) is fixedly installed with a plug-in rod (18), the driving rod (12) is movably installed on the inner side surface of the connecting frame (2), and the return spring (17) is fixedly installed on the outer surface of the connecting frame (2).

7. The damping structure for a driving rear axle of an automobile according to claim 6, characterized in that: ​

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