Shock-resistant and pressure-resistant driving rear axle

Abstract

The utility model provides a shock-resistant and compression-resistant driving rear axle, which belongs to the technical field of automobile parts, aims to solve the problem that lubricating oil is easy to leak to the ground due to incomplete oil drainage before maintenance in the prior art, and comprises a driving rear axle main body, a plate spring support, a plate spring piece, a leakage-proof collecting box, a leakage-proof connecting magnetic block, a shock-resistant and compression-resistant mechanism and a leakage-proof collecting mechanism, the plate spring supports are welded to the left side and the right side of the upper portion of the driving rear axle body respectively. The leakage-proof collecting box is fixedly connected to the lower portion of the driving rear axle body. The leakage-proof connecting magnetic block is arranged in front of the leakage-proof collecting box, and the upper end of the leakage-proof connecting magnetic block is connected with the driving rear axle body in a magnetic attraction mode. The number of the anti-seismic and anti-compression mechanisms is two, and the two anti-seismic and anti-compression mechanisms are arranged in the plate spring support correspondingly. And the leakage-proof collecting mechanism is arranged in the leakage-proof collecting box, so that the lubricating oil is collected and treated, and the cleanliness of the maintenance environment is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, and more specifically, particularly relates to a shock-resistant and pressure-resistant driving rear axle. Background Art

[0002] The rear axle is a component of the rear drive shaft for vehicle power transmission. It consists of two half-bridges and can implement half-bridge differential movement. It is also a device used to support the wheels and connect the rear wheels. The rear axle plays a differential role in vehicle driving, that is, to achieve different speeds of the left and right wheels to adapt to vehicle turning, changing direction and other operations. In order to improve the anti-seismic and anti-compression capabilities of the rear axle, leaf spring suspension is generally used to connect the rear axle.

[0003] The existing application number is: CN201710860844.7. The present invention discloses a rear drive axle assembly of an automobile, including a rear drive axle housing assembly, a half shaft and a main reducer assembly including a connecting flange, a main reducer housing, a main gear arranged in the main reducer housing, a gear, and a differential assembly. The connecting flange is fixed to the main gear, and the gear is meshed with the main gear. The differential assembly includes a differential housing, a half shaft gear and four planetary gears, each planetary gear is respectively meshed and connected with two half shaft gears, and the outer end of the half shaft passes through the left and right ends of the rear drive axle housing assembly and is removably fixed to the tire. The gear is removably fixed to the differential housing, the connecting flange and the main gear are located at the upper center of the rear drive axle housing, and the gear and the differential assembly are located in the middle of the rear drive axle housing. The rear drive axle assembly of an automobile of the present invention has a simple structure, effectively reduces the howling during the driving process of the automobile, effectively improves the service life of the planetary gear, transmits torque smoothly, avoids resonance, and effectively improves the NVH performance and ride comfort of the whole vehicle.

[0004] Based on the above, when repairing the existing drive rear axle, workers are generally required to remove the rear axle housing. However, since there is a large amount of lubricating oil in the rear axle, if the workers do not drain the oil thoroughly before repair, it is easy to cause the lubricating oil to leak onto the ground, causing pollution to the repair site. Summary of the invention

[0005] In order to solve the above technical problems, the utility model provides a shock-resistant and pressure-resistant driving rear axle to solve the problem that when the existing driving rear axle is repaired, workers are generally required to remove the rear axle housing. However, since there is a large amount of lubricating oil in the rear axle, if the workers do not drain the oil thoroughly before maintenance, it is easy to cause the lubricating oil to leak onto the ground, causing pollution to the maintenance site.

[0006] The purpose and effect of the shock-resistant and pressure-resistant driving rear axle of the utility model are achieved by the following specific technical means:

[0007] A seismic and pressure-resistant driving rear axle, comprising a driving rear axle body, a leaf spring support, a leaf spring member, a seismic locking member, a leak-proof collection box, a leak-proof connecting magnetic block, a seismic and pressure-resistant mechanism and a leak-proof collection mechanism;

[0008] There are two groups of leaf spring supports, which are welded to the left and right sides above the driving rear axle body respectively;

[0009] The leaf spring members are provided in multiple groups, and the multiple groups of leaf spring members are respectively arranged above the leaf spring supports;

[0010] The anti-seismic locking members are provided in four groups, and the four groups of anti-seismic locking members are respectively fixedly connected to the upper part of the leaf spring support by bolts;

[0011] The leakproof collection box is fixedly connected below the driving rear axle body;

[0012] The anti-leakage connection magnetic block is arranged in front of the anti-leakage collection box, and the upper end of the anti-leakage connection magnetic block is magnetically connected to the driving rear axle body;

[0013] The anti-seismic and anti-compression mechanisms are provided in two groups, and the two groups of anti-seismic and anti-compression mechanisms are respectively arranged inside the leaf spring support;

[0014] The leak-proof collection mechanism is arranged inside the leak-proof collection box.

[0015] Further, the anti-seismic and anti-compression mechanism includes: a silent and anti-compression pad;

[0016] There are two groups of silent and anti-compression pads in total, both of which are rectangular rubber pad structures. Both groups of silent and anti-compression pads are slidably connected to the inner upper end of the leaf spring support. Both sides of the two groups of silent and anti-compression pads are provided with slot structures, and the upper ends of the two groups of silent and anti-compression pads are in friction contact with the leaf spring parts.

[0017] Furthermore, the anti-seismic and anti-compression mechanism also includes: an installation limit block and an installation limit spring;

[0018] The installation limit block is provided with two groups in total, and the two groups of installation limit block are respectively slidably connected to the inside of the leaf spring support;

[0019] The installation limit springs are provided in two groups, and the two groups of installation limit springs are respectively fixedly connected to the outer sides of the installation limit clamping blocks, and the outer sides of the two groups of installation limit springs are fixedly connected to the leaf spring supports.

[0020] Furthermore, the anti-leakage collection mechanism includes: an oil leakage tank and a temporary oil receiving piece;

[0021] The oil leakage groove is arranged below the leak-proof collection box;

[0022] The temporary oil receiving piece is slidably connected inside the leak-proof collecting box, a rectangular groove structure is arranged behind the lower end of the temporary oil receiving piece, and the temporary oil receiving piece is fixedly connected to the rear end of the leak-proof connecting magnetic block.

[0023] Furthermore, the leak-proof collection mechanism also includes: a leak-proof driving rack, a leak-proof driving gear, a first leak-proof gear and a second leak-proof gear;

[0024] There are two sets of leak-proof driving racks, which are fixedly connected to the left and right sides of the leak-proof collecting box respectively;

[0025] There are two sets of anti-leakage drive gears, which are rotatably connected to the left and right sides of the rear of the temporary oil receiving piece, and the two sets of anti-leakage drive gears are meshed with the anti-leakage drive racks;

[0026] The first leakage-proof gear is coaxially fixedly connected between the two sets of leakage-proof driving gears;

[0027] The second leakage-proof gear is rotatably connected to the rear end of the temporary oil receiving piece, and the second leakage-proof gear is meshed with the first leakage-proof gear.

[0028] Furthermore, the leak-proof collection mechanism also includes: a leak-proof driving ratchet and a conveying screw;

[0029] The leakage-proof driving ratchet is coaxially fixedly connected to the front end of the second leakage-proof gear;

[0030] The conveying screw is rotatably connected to the interior of the temporary oil receiving piece, and the rear end of the conveying screw is coaxially and fixedly connected to the anti-leakage driving ratchet.

[0031] Compared with the prior art, the utility model has the following beneficial effects:

[0032] The utility model provides an anti-seismic and anti-compression mechanism, and before installing the leaf spring component, the silent anti-compression pad is first inserted into the interior of the leaf spring support, and at this time the installation limit card block is inserted into the card slot of the silent anti-compression pad under the action of the installation limit spring, and the silent anti-compression pad is fixed at this time, and the silent anti-compression pad realizes buffering of the installed leaf spring component, avoids the connection of the installed leaf spring component being too rigid, ensures the anti-seismic and anti-compression function of the installed leaf spring component during vehicle driving, reduces the abnormal noise when driving the rear axle when the vehicle is running, and ensures the comfort of vehicle use.

[0033] The utility model is provided with the anti-seismic and anti-pressure mechanism, when the driving rear axle needs to be disassembled and repaired, the anti-leakage connecting magnetic block moves forward, and the anti-leakage connecting magnetic block moves forward to drive the temporary oil receiving piece to move forward. At this time, the lubricating oil that has not been discharged from the inside of the driving rear axle main body falls into the inside of the temporary oil receiving piece. After the maintenance is completed, the temporary oil receiving piece moves backward to drive the anti-leakage driving gear to move backward, and the anti-leakage driving gear moves backward to contact and rotate with the anti-leakage driving rack. The rotation of the anti-leakage driving gear drives the second anti-leakage gear to rotate, and the rotation of the second anti-leakage gear drives the conveying screw to rotate. The conveying screw rotates to drive the collected lubricating oil backward inside the temporary oil receiving piece, and when the rectangular groove of the temporary oil receiving piece is aligned with the oil leakage groove, the lubricating oil inside the temporary oil receiving piece is discharged, thereby realizing the collection and treatment of the lubricating oil, avoiding the lubricating oil flowing to the ground and polluting the ground, facilitating the maintenance operation of the maintenance personnel, avoiding the lubricating oil from soiling the clothes of the maintenance personnel, and ensuring the cleanliness of the maintenance environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0035] Figure 2 It is a structural schematic diagram of a temporary oil receiving piece of the utility model.

[0036] Figure 3 It is a structural schematic diagram of the anti-seismic and anti-compression mechanism of the utility model.

[0037] Figure 4 It is a schematic diagram of the cross-sectional structure of the leak-proof collection box of the utility model.

[0038] Figure 5 It is a schematic diagram of the structure of the leak-proof collection mechanism of the utility model.

[0039] Figure 6 It is a schematic diagram of the conveying screw structure of the utility model.

[0040] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0041] 1. Driving rear axle body; 2. Leaf spring support; 201. Silent anti-pressure pad; 202. Installing limit block; 203. Installing limit spring; 3. Leaf spring member; 4. Anti-vibration locking member; 5. Leak-proof collection box; 501. Oil leakage trough; 502. Temporary oil receiving member; 503. Leak-proof driving rack; 504. Leak-proof driving gear; 505. First leak-proof gear; 506. Second leak-proof gear; 507. Leak-proof driving ratchet; 508. Conveying screw; 6. Leak-proof connecting magnetic block. DETAILED DESCRIPTION

[0042] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples. Example

[0043] As attached Figure 1 To Attachment Figure 6 As shown:

[0044] The utility model provides a seismic and pressure-resistant driving rear axle, comprising a driving rear axle body 1, a leaf spring support 2, a leaf spring member 3, a seismic locking member 4, a leak-proof collecting box 5, a leak-proof connecting magnetic block 6 and a seismic and pressure-resistant mechanism;

[0045] There are two sets of leaf spring supports 2, which are welded to the upper left and right sides of the driving rear axle body 1 respectively;

[0046] There are multiple groups of leaf spring members 3, and the multiple groups of leaf spring members 3 are respectively arranged above the leaf spring support 2;

[0047] There are four groups of anti-seismic locking members 4, and the four groups of anti-seismic locking members 4 are respectively fixedly connected to the upper part of the leaf spring support 2 by bolts;

[0048] The leakproof collection box 5 is fixedly connected below the driving rear axle body 1;

[0049] The leak-proof connection magnetic block 6 is arranged in front of the leak-proof collection box 5, and the upper end of the leak-proof connection magnetic block 6 is magnetically connected to the driving rear axle body 1;

[0050] There are two groups of anti-seismic and anti-compression mechanisms, which are respectively arranged inside the leaf spring support 2;

[0051] The leak-proof collection mechanism is arranged inside the leak-proof collection box 5 .

[0052] The anti-vibration and anti-compression mechanism includes: a silent and anti-compression pad 201;

[0053] There are two groups of silent anti-compression pads 201 in total. Both groups of silent anti-compression pads 201 are rectangular rubber pad structures. Both groups of silent anti-compression pads 201 are slidably connected to the inner upper end of the leaf spring support 2. Both sides of the two groups of silent anti-compression pads 201 are provided with slot structures. The upper ends of the two groups of silent anti-compression pads 201 are in friction contact with the leaf spring part 3.

[0054] The anti-seismic and anti-compression mechanism further includes: an installation limit block 202 and an installation limit spring 203;

[0055] There are two sets of installation limit blocks 202, and the two sets of installation limit blocks 202 are respectively slidably connected to the inside of the leaf spring support 2;

[0056] There are two groups of installation limit springs 203, and the two groups of installation limit springs 203 are respectively fixedly connected to the outer sides of the installation limit blocks 202. The outer sides of the two groups of installation limit springs 203 are fixedly connected to the leaf spring support 2. In use, before installing the leaf spring component 3, first insert the silent anti-pressure pad 201 into the interior of the leaf spring support 2. At this time, the installation limit block 202 is inserted into the slot of the silent anti-pressure pad 201 under the action of the installation limit spring 203. At this time, the silent anti-pressure pad 201 is fixed, and the silent anti-pressure pad 201 realizes the buffering of the installation leaf spring component 3, avoids the connection of the installation leaf spring component 3 being too rigid, and ensures the anti-seismic and anti-pressure function of the installation leaf spring component 3 during vehicle driving.

[0057] The anti-leakage collection mechanism includes: an oil leakage tank 501 and a temporary oil receiving piece 502;

[0058] The oil leakage groove 501 is provided below the leak-proof collection box 5;

[0059] The temporary oil receiving piece 502 is slidably connected to the inside of the leak-proof collecting box 5 , a rectangular groove structure is provided at the rear of the lower end of the temporary oil receiving piece 502 , and the temporary oil receiving piece 502 is fixedly connected to the rear end of the leak-proof connecting magnetic block 6 .

[0060] The leak-proof collection mechanism further includes: a leak-proof driving rack 503, a leak-proof driving gear 504, a first leak-proof gear 505 and a second leak-proof gear 506;

[0061] There are two sets of leak-proof driving racks 503, and the two sets of leak-proof driving racks 503 are fixedly connected to the left and right sides of the inside of the leak-proof collecting box 5 respectively;

[0062] There are two sets of anti-leakage driving gears 504, which are rotatably connected to the left and right sides of the rear of the temporary oil receiving member 502, and both sets of anti-leakage driving gears 504 are meshed with the anti-leakage driving rack 503;

[0063] The first leakage-proof gear 505 is coaxially fixedly connected between the two sets of leakage-proof driving gears 504;

[0064] The second leakage-proof gear 506 is rotatably connected to the rear end of the temporary oil receiving member 502 , and the second leakage-proof gear 506 is meshed with the first leakage-proof gear 505 .

[0065] The leak-proof collection mechanism further includes: a leak-proof driving ratchet 507 and a conveying screw 508;

[0066] The leakage-proof driving ratchet 507 is coaxially fixedly connected to the front end of the second leakage-proof gear 506;

[0067] The delivery screw 508 is rotatably connected to the interior of the temporary oil receiving part 502, and the rear end of the delivery screw 508 is coaxially fixedly connected to the leak-proof driving ratchet 507. During use, when the drive rear axle needs to be disassembled and repaired, the shell of the drive rear axle main body 1 is disassembled. At this time, the shell of the drive rear axle main body 1 drives the leak-proof connecting magnetic block 6 to move forward, and the leak-proof connecting magnetic block 6 moves forward to drive the temporary oil receiving part 502 to move forward. At this time, the lubricating oil that has not been discharged from the drive rear axle main body 1 falls into the interior of the temporary oil receiving part 502, which prevents the lubricating oil from flowing to the ground and polluting the ground. At the same time, when the drive rear axle is repaired, the temporary oil receiving part 502 is moved backward to temporarily receive the oil. The leak-proof drive gear 504 moves backward and moves backward. The leak-proof drive gear 504 moves backward and contacts the leak-proof drive rack 503 to rotate. The leak-proof drive gear 504 rotates and drives the first leak-proof gear 505 to rotate. The first leak-proof gear 505 rotates and drives the second leak-proof gear 506 to rotate. The second leak-proof gear 506 rotates and drives the leak-proof drive ratchet 507 to rotate. The leak-proof drive ratchet 507 rotates and drives the conveying screw 508 to rotate. The conveying screw 508 rotates to drive the collected lubricating oil inside the temporary oil receiving part 502 backward. When the rectangular groove of the temporary oil receiving part 502 is aligned with the oil leakage groove 501, the lubricating oil inside the temporary oil receiving part 502 is discharged.

Claims

1. A seismic and pressure-resistant driving rear axle, comprising a driving rear axle body (1), a leaf spring support (2), a leaf spring member (3), a seismic locking member (4), a leak-proof collection box (5), a leak-proof connecting magnetic block (6), a seismic and pressure-resistant mechanism and a leak-proof collection mechanism; characterized in that: The leaf spring supports (2) are provided in two groups, and the two groups of leaf spring supports (2) are respectively welded to the left and right sides above the driving rear axle body (1); the leaf spring members (3) are provided in multiple groups, and the multiple groups of leaf spring members (3) are respectively provided above the leaf spring supports (2); the anti-vibration locking members (4) are provided in four groups, and the four groups of anti-vibration locking members (4) are respectively fixedly connected to the top of the leaf spring supports (2) by bolts; the anti-leakage collection box (5) is fixedly connected to the bottom of the driving rear axle body (1); the anti-leakage connection magnetic block (6) is provided in front of the anti-leakage collection box (5), and the upper end of the anti-leakage connection magnetic block (6) is magnetically connected to the driving rear axle body (1); the anti-vibration and anti-pressure mechanisms are provided in two groups, and the two groups of anti-vibration and anti-pressure mechanisms are respectively provided inside the leaf spring supports (2); the anti-leakage collection mechanism is provided inside the anti-leakage collection box (5).

2. The shock-resistant and pressure-resistant driving rear axle according to claim 1, characterized in that: The anti-seismic and anti-compression mechanism comprises: a silent anti-compression pad (201); two groups of the silent anti-compression pad (201) are provided, both groups of the silent anti-compression pad (201) are rectangular rubber pad structures, both groups of the silent anti-compression pad (201) are slidably connected to the inner upper end of the leaf spring support (2), both left and right sides of the two groups of the silent anti-compression pad (201) are provided with a slot structure, and the upper ends of the two groups of the silent anti-compression pad (201) are in frictional contact with the leaf spring member (3).

3. The shock-resistant and pressure-resistant driving rear axle according to claim 2, characterized in that: The anti-seismic and anti-compression mechanism further comprises: an installation limit block (202) and an installation limit spring (203); two groups of the installation limit blocks (202) are provided, and the two groups of installation limit blocks (202) are respectively slidably connected to the inside of the leaf spring support (2); two groups of the installation limit springs (203) are provided, and the two groups of installation limit springs (203) are respectively fixedly connected to the outside of the installation limit blocks (202), and the outsides of the two groups of installation limit springs (203) are both fixedly connected to the leaf spring support (2).

4. The shock-resistant and pressure-resistant driving rear axle according to claim 1, characterized in that: The leak-proof collection mechanism comprises: an oil leakage groove (501) and a temporary oil receiving piece (502); the oil leakage groove (501) is arranged below the leak-proof collection box (5); the temporary oil receiving piece (502) is slidably connected inside the leak-proof collection box (5); a rectangular groove structure is arranged behind the lower end of the temporary oil receiving piece (502); and the temporary oil receiving piece (502) is fixedly connected to the rear end of the leak-proof connection magnetic block (6).

5. The shock-resistant and pressure-resistant driving rear axle according to claim 4, characterized in that: The leak-proof collection mechanism further comprises: a leak-proof drive rack (503), a leak-proof drive gear (504), a first leak-proof gear (505) and a second leak-proof gear (506); two sets of the leak-proof drive rack (503) are provided, and the two sets of leak-proof drive racks (503) are respectively fixedly connected to the left and right sides of the inside of the leak-proof collection box (5); two sets of the leak-proof drive gear (504) are provided, and the two sets of leak-proof drive gears (504) are respectively rotatably connected to the left and right sides of the rear of the temporary oil receiving piece (502), and the two sets of leak-proof drive gears (504) are meshed with the leak-proof drive rack (503); the first leak-proof gear (505) is coaxially fixedly connected between the two sets of leak-proof drive gears (504); the second leak-proof gear (506) is rotatably connected to the rear end of the temporary oil receiving piece (502), and the second leak-proof gear (506) is meshed with the first leak-proof gear (505).

6. The shock-resistant and pressure-resistant driving rear axle according to claim 5, characterized in that: The leak-proof collection mechanism further comprises: a leak-proof driving ratchet (507) and a conveying screw (508); the leak-proof driving ratchet (507) is coaxially fixedly connected to the front end of the second leak-proof gear (506); the conveying screw (508) is rotatably connected to the interior of the temporary oil receiving piece (502), and the rear end of the conveying screw (508) is coaxially fixedly connected to the leak-proof driving ratchet (507).

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