Automobile rear axle housing structure

Abstract

The utility model provides an automobile rear axle housing structure which comprises a rear axle housing body, two rotating hubs are rotatably installed at the two ends of the rear axle housing body respectively, two sliding rails are welded to the two sides of the bottom of the rear axle housing body respectively, sliding grooves are formed in the bottoms of the two sliding rails respectively, and the two sliding rails are welded to the rear axle housing body respectively. Balancing weights sliding in the length direction of the sliding grooves are slidably mounted at the bottoms of the two sliding rails through the two sliding grooves correspondingly. According to the automobile rear axle housing structure, when the rear axle housing body needs to be adjusted to be in a balanced state, the bolts are loosened, the two balancing weights can slide on the two sliding rails in the length direction of the sliding grooves, the balancing weights move to change the positions, located below the rear axle housing body, of the balancing weights, and then the balance adjusting effect is achieved; the balance adjusting device is simple in structure and convenient to adjust, and normal installation of other parts cannot be affected.

Description

Technical Field

[0001] The utility model relates to the field of automobile rear axles, in particular to an automobile rear axle housing structure. Background Art

[0002] The rear axle refers to the rear drive shaft component of the vehicle's power transmission. It consists of two half-bridges and can implement half-bridge differential movement. At the same time, it is also a device used to support the wheels and connect the rear wheels. If it is a front-axle driven vehicle, then the rear axle is merely a tracking axle and only plays a load-bearing role. If the front axle is not a drive axle, then the rear axle is a drive axle. At this time, in addition to the load-bearing function, it also plays a driving, deceleration and differential role.

[0003] However, during use, the rear axle of the automobile in the existing market may have uneven mass distribution during the manufacturing process, resulting in the rear axle housing body being not in a balanced state after installation, or being in an unbalanced state due to the different weights of the accessories during installation, thereby reducing the shock absorbing effect of the rear axle housing body.

[0004] Therefore, it is necessary to provide a kind of automobile rear axle housing structure to solve the above-mentioned technical problems. Utility Model Content

[0005] The utility model provides a rear axle housing structure for an automobile, which solves the problem that in the process of using the automobile rear axle in the existing market, due to the uneven mass distribution in the manufacturing process, the rear axle housing body is not in a balanced state after installation, or the weight of the accessories is different during installation, so it is in an unbalanced state, thereby reducing the shock absorbing effect of the rear axle housing body.

[0006] The utility model provides a rear axle housing structure of an automobile, comprising: a rear axle housing body, both ends of the rear axle housing body are rotatably mounted with rotating hubs, and the number of the rotating hubs is two, both sides of the bottom of the rear axle housing body are welded with slide rails, and the number of the slide rails is two, the bottoms of the two slide rails are provided with slide grooves, the bottoms of the two slide rails are respectively slidably mounted with counterweight blocks sliding along the length direction of the slide grooves through the two slide grooves, the outer sides of the two counterweight blocks are threadedly connected with bolts, and the number of the bolts is four, and the counterweight blocks are fixed to the slide rails by locking bolts.

[0007] Preferably, a fixing sleeve is fixedly installed on the outside of the rear axle housing body and on one side of the two slide rails by screws, and the number of the fixing sleeves is two, and a telescopic rod is fixedly installed at the top center point of the two fixing sleeves by screws.

[0008] Preferably, telescopic sleeves are slidably mounted on the outside of the two telescopic rods, and flanges are fixedly mounted on the tops of the two telescopic sleeves.

[0009] Preferably, a fixing ring is fixedly installed on the outside of the two telescopic rods, and a spring is sleeved on the outside of the two telescopic rods and located between the fixing ring and the telescopic sleeve.

[0010] Preferably, sealing rings are fixedly installed at the top ends of the two telescopic rods and inside the telescopic sleeves.

[0011] Preferably, air holes are formed on the outside of the two telescopic sleeves, and the number of the air holes is multiple.

[0012] Compared with the related art, the automobile rear axle housing structure provided by the utility model has the following beneficial effects:

[0013] The rear axle housing body may have uneven mass distribution during the manufacturing process, resulting in the rear axle housing body not being in a balanced state after installation, or being in an unbalanced state due to the different weights of the accessories during installation, thereby reducing the shock absorption effect of the rear axle housing body. When the rear axle housing body needs to be adjusted to a balanced state, the bolts are loosened. At this time, the two counterweights can slide with the two slide rails along the length direction of the slide groove respectively. The counterweights move and change their positions below the rear axle housing body, thereby playing a role in adjusting the balance. After the balance adjustment is completed, the bolts are tightened. The structure is simple, easy to adjust, and will not affect the normal installation of other parts.

[0014] When vibration occurs during driving, the telescopic rod enters the interior of the telescopic sleeve. At this time, the spring is compressed, which effectively plays a buffering role. Due to the setting of the sealing ring, the air inside the telescopic sleeve can only be discharged or entered through the air holes, thus having an air buffering effect. The double buffering improves the shock absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of a rear axle housing structure of an automobile provided by the utility model;

[0016] Figure 2 for Figure 1 The schematic diagram of the counterweight installation structure is shown;

[0017] Figure 3 for Figure 1 Schematic diagram of the sealing ring installation structure shown.

[0018] In the figure: 1. rear axle housing body; 2. rotating hub; 3. slide rail; 4. slide groove; 5. counterweight; 6. bolt; 7. fixing sleeve; 8. telescopic rod; 9. telescopic sleeve; 10. fixing ring; 11. spring; 12. sealing ring; 13. air hole; 14. flange. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 and Figure 3 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a rear axle housing structure of an automobile provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the counterweight installation structure is shown; Figure 3 for Figure 1 The sealing ring installation structure schematic diagram shown in the figure, a rear axle housing structure of an automobile, comprising: a rear axle housing body 1, both ends of the rear axle housing body 1 are rotatably installed with a rotating hub 2, and the number of the rotating hub 2 is two, both sides of the bottom of the rear axle housing body 1 are welded with slide rails 3, and the number of the slide rails 3 is two, the bottoms of the two slide rails 3 are provided with slide grooves 4, the bottoms of the two slide rails 3 are respectively slidably installed with counterweights 5 sliding along the length direction of the slide grooves 4 through the two slide grooves 4, the outer sides of the two counterweights 5 are threadedly connected with bolts 6, and the number of the bolts 6 is four, the counterweights 5 are fixed to the slide rails 3 by locking bolts 6, and the rear axle housing body 1 is manufactured during Uneven mass distribution may occur during the installation process, resulting in the rear axle housing body 1 being not in a balanced state after installation, or the weight of the accessories being different during the installation process, resulting in an unbalanced state, thereby reducing the shock absorbing effect of the rear axle housing body 1. When the rear axle housing body 1 needs to be adjusted to a balanced state, loosen the bolt 6. At this time, the two counterweights 5 can slide with the two slide rails 3 respectively along the length direction of the slide groove 4. The counterweight 5 moves to change its position under the rear axle housing body 1, thereby playing a role in adjusting the balance. After the balance adjustment is completed, tighten the bolt 6. This structure is simple, easy to adjust, and will not affect the normal installation of other parts.

[0021] A fixing sleeve 7 is fixedly installed on the outside of the rear axle housing body 1 and on one side of the two slide rails 3 by screws, and there are two fixing sleeves 7. A telescopic rod 8 is fixedly installed at the top center point of the two fixing sleeves 7 by screws. The screws on the outside of the fixing sleeve 7 are loosened, and the fixing sleeve 7 can slide on the outside of the rear axle housing body 1, which is convenient for adjustment according to the chassis conditions of the vehicle. After the adjustment is completed, the screws are locked to improve the adaptability of the rear axle housing body 1.

[0022] A telescopic sleeve 9 is slidably installed on the outside of the two telescopic rods 8, a flange 14 is fixedly installed on the top of the two telescopic sleeves 9, a fixing ring 10 is fixedly installed on the outside of the two telescopic rods 8, a spring 11 is sleeved on the outside of the two telescopic rods 8 and located between the fixing ring 10 and the telescopic sleeve 9, a sealing ring 12 is fixedly installed on the top of the two telescopic rods 8 and located inside the telescopic sleeve 9, and air holes 13 are opened on the outside of the two telescopic sleeves 9, and the number of air holes 13 is plural. When vibration occurs during driving, the telescopic rod 8 enters the inside of the telescopic sleeve 9. At this time, the spring 11 is compressed, which effectively plays a buffering role. Due to the setting of the sealing ring 12, the air inside the telescopic sleeve 9 can only be discharged or entered through the air hole 13, thereby having the effect of air buffering. The double buffering improves the shock absorption effect.

[0023] The working principle of a rear axle housing structure of an automobile provided by the utility model is as follows:

[0024] Step 1: During the manufacturing process of the rear axle housing body 1, uneven mass distribution may occur, resulting in the rear axle housing body 1 not being in a balanced state after installation, or being in an unbalanced state due to the different weights of the accessories during the installation process, thereby reducing the shock absorbing effect of the rear axle housing body 1. When the rear axle housing body 1 needs to be adjusted to a balanced state, loosen the bolt 6. At this time, the two counterweights 5 can slide with the two slide rails 3 respectively along the length direction of the slide groove 4. The counterweights 5 move to change their position under the rear axle housing body 1, thereby playing a role in adjusting the balance. After the balance adjustment is completed, tighten the bolt 6. The structure is simple, easy to adjust, and will not affect the normal installation of other components.

[0025] Step 2: Loosen the screws on the outside of the fixing sleeve 7. The fixing sleeve 7 can slide on the outside of the rear axle housing body 1 to facilitate adjustment according to the chassis conditions of the vehicle. After the adjustment, tighten the screws to improve the adaptability of the rear axle housing body 1. When vibration occurs during driving, the telescopic rod 8 enters the inside of the telescopic sleeve 9. At this time, the spring 11 is compressed, which effectively plays a buffering role. Due to the setting of the sealing ring 12, the air inside the telescopic sleeve 9 can only be discharged or entered through the air hole 13, thereby having the effect of air buffering. The double buffering improves the shock absorption effect.

[0026] Compared with the related art, the automobile rear axle housing structure provided by the utility model has the following beneficial effects:

[0027] The rear axle housing body 1 may have uneven mass distribution during the manufacturing process, resulting in the rear axle housing body 1 not being in a balanced state after installation, or being in an unbalanced state due to the different weights of the accessories during the installation process, thereby reducing the shock absorption effect of the rear axle housing body 1. When the rear axle housing body 1 needs to be adjusted to a balanced state, the bolts 6 are loosened. At this time, the two counterweights 5 can slide with the two slide rails 3 along the length direction of the slide slot 4 respectively. The counterweights 5 move and change their positions below the rear axle housing body 1, thereby playing a role in adjusting the balance. After the balance adjustment is completed, the bolts 6 are tightened. This structure is simple, easy to adjust, and will not affect the normal installation of other parts.

[0028] When vibration occurs during driving, the telescopic rod 8 enters the interior of the telescopic sleeve 9. At this time, the spring 11 is compressed, which effectively plays a buffering role. Due to the setting of the sealing ring 12, the air inside the telescopic sleeve 9 can only be discharged or entered through the air hole 13, thereby having an air buffering effect. The double buffering improves the shock absorption effect.

[0029] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A rear axle housing structure for an automobile, comprising: A rear axle housing body (1) is characterized in that: both ends of the rear axle housing body (1) are rotatably mounted with rotating hubs (2), and the number of the rotating hubs (2) is two; both sides of the bottom of the rear axle housing body (1) are welded with slide rails (3), and the number of the slide rails (3) is two; the bottoms of the two slide rails (3) are provided with slide grooves (4); the bottoms of the two slide rails (3) are respectively slidably mounted with counterweights (5) that slide along the length direction of the slide grooves (4) through the two slide grooves (4); the outer sides of the two counterweights (5) are threadedly connected with bolts (6), and the number of the bolts (6) is four; the counterweights (5) are fixed to the slide rails (3) by locking bolts (6).

2. The automobile rear axle housing structure according to claim 1, characterized in that: A fixing sleeve (7) is fixedly installed on the outside of the rear axle housing body (1) and on one side of the two slide rails (3) by means of screws, and the number of the fixing sleeves (7) is two, and a telescopic rod (8) is fixedly installed at the top center point of the two fixing sleeves (7) by means of screws.

3. The automobile rear axle housing structure according to claim 2, characterized in that: A telescopic sleeve (9) is slidably mounted on the outside of the two telescopic rods (8), and a flange plate (14) is fixedly mounted on the top of the two telescopic sleeves (9).

4. The automobile rear axle housing structure according to claim 3, characterized in that: A fixing ring (10) is fixedly mounted on the outside of the two telescopic rods (8), and a spring (11) is sleeved on the outside of the two telescopic rods (8) and between the fixing ring (10) and the telescopic sleeve (9).

5. The automobile rear axle housing structure according to claim 4, characterized in that: Sealing rings (12) are fixedly installed at the top ends of the two telescopic rods (8) and inside the telescopic sleeves (9).

6. The automobile rear axle housing structure according to claim 5, characterized in that: The exteriors of the two telescopic sleeves (9) are both provided with air holes (13), and the number of the air holes (13) is multiple.

Images