Anti-deformation three-section integrated automobile dust cover

By using threaded connection of screw and fixing ring in the dust cover, limit clamping of clamping plate and buffer pads, lubrication of oil storage blocks and sealing design of sealing rings, the limit instability of the three-ball pin assembly is solved The problem of this paper improves the installation stability of the dust cover and the transmission performance of the universal shaft.

CN222360927UActive Publication Date: 2025-01-17ZHEJIANG XIANCHENG NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202420910664.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-01-17
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing three-ball pin assembly can only limit one side of the shaft, causing the shaft to easily tilt when the pressing limit, affecting the installation stability of the dust cover.

Method used

The screw rod is threaded to the fixing ring, and the universal shaft is limitedly clamped through the clamping plate and buffer pad, and lubricating oil is provided through the oil storage block to improve rotational stability, combining the sealing ring to enhance connection stability and sealing sex.

Benefits of technology

It improves the installation stability of the dust cover and resists periodic alternating stress, avoids dust, rainwater, and silt into the universal shaft, and enhances transmission performance and sealing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-deformation three-section integrated automobile dust cover which comprises a dust cover body, the dust cover body is arranged in a stacked rectangle mode and is made of TPEE materials, and a universal shaft is arranged on the inner side of the dust cover body in a penetrating mode. A fixing ring is fixedly installed on the lower portion of the inner side of the dust cover body, the inner side of the fixing ring is in equal-angle threaded connection with a lead screw, and the outer side of the lead screw is rotationally connected with the dust cover body. A clamping plate is rotationally connected to one end of the lead screw, a buffering pad is fixedly connected to the inner side of the clamping plate, and the buffering pad is arranged on the outer side of the universal shaft; the other end of the lead screw penetrates through the dust cover body, and one end of the lead screw is fixedly connected with a rotating block. According to the three-section integrated automobile dust cover capable of resisting deformation, the lead screw is rotationally arranged on the inner side of the fixing ring, so that the lead screw can drive the clamping plate to limit and clamp the universal shaft, and the mounting stability of the automobile dust cover is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile dust covers, in particular to a three-petal integrated automobile dust cover which is resistant to deformation. Background Art

[0002] With the continuous development of my country's economy, cars have become the preferred means of transportation for more and more people. The automobile industry, especially new energy vehicles, has achieved unprecedented development. Lightweight and environmental protection of automobiles have become the development theme of the automobile industry. Automobile dust covers came into being with such historical opportunities and are widely used in various sealing structures of automobile parts.

[0003] Publication number "CN217002772U" is a three-petal integrated dust cover, which relates to the field of dust covers, including a large-mouth end, a small-mouth end and a cover body connected therebetween, a plane limiting structure is arranged on the side wall of the large-mouth end, and the plane limiting structure and the cover body are connected by an arc-shaped limiting structure; the shaft rod of the constant-speed drive shaft is axially inserted from the small-mouth end, and the telescopic end of the shaft rod is mounted on the three-slot shell through a three-ball pin assembly, and the large-mouth end is mounted on the three-slot shell through a clamp sleeve, so that the large end surface support of the three-slot shell is positioned on the plane limiting structure; the dust cover eliminates the three groove structures and adopts a full circle limiting structure, and the required limiting function can be achieved through a simple structure; the rib-like structure is eliminated and replaced by a plane structure that cooperates with the metal shell of the ball cage. Through the overall calculation optimization of the limiting structure and the plane structure, the mold cost is saved, the process is simple, the production efficiency is accelerated, and the product cost is reduced;

[0004] The dust cover can be connected to the outside of the shaft by a tripod assembly, but the tripod assembly can only limit one side of the shaft. Therefore, the shaft is prone to tilt when it is squeezed and limited by the tripod assembly, which is not conducive to improving the stability of the dust cover installation. Therefore, we propose a deformation-resistant three-petal integrated automobile dust cover that can well solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a deformation-resistant three-petal integrated automobile dust cover to solve the problem raised in the above-mentioned background technology that the dust cover on the current market can be connected to the outside of the shaft rod by a tripod assembly, but the tripod assembly can only limit one side of the shaft rod. Therefore, the shaft rod is prone to tilt when it is squeezed and limited by the tripod assembly, which is not conducive to improving the stability of the dust cover installation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-petal integrated automobile dust cover that can resist deformation, comprising a dust cover body, the dust cover body is arranged in a stacked rectangular shape, and the dust cover body is arranged with a TPEE material, and a universal shaft is arranged through the inner side of the dust cover body;

[0007] It also includes: a fixing ring is fixedly installed at the lower inner side of the dust cover body, and a screw rod is threaded at an equal angle on the inner side of the fixing ring, and the outer side of the screw rod is rotatably connected to the dust cover body; one end of the screw rod is rotatably connected to a clamping plate, and a buffer pad is fixedly connected to the inner side of the clamping plate, and the buffer pad is arranged on the outer side of the universal shaft.

[0008] Preferably, the other end of the screw rod is arranged to penetrate the dust cover body, and one end of the screw rod is fixedly connected to a rotating block.

[0009] Preferably, the buffer pad is made of rubber material, and the buffer pad and the clamping plate are both arranged in an arc-shaped structure in a top-sectional view, and the universal shaft can be limitedly clamped by the clamping plate.

[0010] Preferably, one side of the clamping plate is fixedly connected to a limiting rod, and the limiting rod is slidably connected to the fixing ring, so that the clamping plate can be prevented from rotating along with the screw rod through the limiting rod.

[0011] Preferably, oil storage blocks are fixedly installed at equal angles on the inner side of the fixed ring, and three groups of oil storage blocks are provided. Oil outlets are opened on the oil storage blocks, and a one-way oil filling valve is provided below the oil storage blocks.

[0012] Preferably, limiting flaps are fixedly installed at equal angles on the inner side of the lower side of the dust cover body, and there are three groups of limiting flaps, and the limiting flaps are made of elastic plastic material.

[0013] Preferably, a movable disk is slidably connected to the outer side above the universal shaft, and a sealing ring is fixedly installed below the movable disk, and the connection between the protective sleeve and the universal shaft can be secured through the sealing ring.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the three-petal integrated automobile dust cover which is resistant to deformation is arranged so that the screw rod can drive the clamping plate to limit the universal shaft by rotating the screw rod inside the fixed ring, which is beneficial to improve the stability of the automobile dust cover installation. The specific contents are as follows:

[0015] (1) A clamping plate is provided, and the three groups of rotating blocks are manually rotated in sequence, so that the rotating blocks can drive the screw rod to rotate inside the dust cover body. Since the screw rod and the fixing ring are threadedly connected, the screw rod will drive the clamping plate to move. At this time, the clamping plate will drive the buffer pad fixedly installed inside it to contact the universal shaft. The universal shaft can be limited and clamped by the cooperation of the three groups of clamping plates, so that the dust cover body can be stably installed on the outside of the universal shaft, which improves the resistance of the dust cover body to periodic alternating stress during use;

[0016] (2) A dust cover body is provided, and the dust cover body is provided in a stacked rectangular structure, thereby improving the anti-deformation ability of the dust cover body, avoiding damage to the dust cover body, and preventing dust, rainwater, and mud from entering the universal shaft, thereby improving the transmission performance of the universal shaft;

[0017] (3) A sealing ring is provided, and the movable disk is manually installed through the outer side of the universal shaft. The movable disk is manually pressed so that the movable disk drives the sealing ring to move to the connection between the protective sleeve and the universal shaft 3. The sealing ring can improve the stability and sealing of the connection between the protective sleeve and the universal shaft;

[0018] (4) A limit rod is provided. When the clamping plate moves, the limit rod will be driven to slide inside the fixing ring. The limit rod can prevent the clamping plate from rotating along with the screw rod, thereby facilitating the stability of the movement of the clamping plate.

[0019] (5) An oil storage block is provided. When the universal joint is working, the universal joint will drive the dust cover body to rotate. The rotation of the dust cover body will drive the fixed ring installed inside it to rotate. The rotation of the fixed ring will drive the three groups of oil storage blocks to rotate. At this time, the oil storage block will inject the lubricating oil inside into the outside of the universal joint under the action of centrifugal force, so that the rotation of the universal joint is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the front section structure of the dust cover body of the utility model;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the sealing ring of the utility model when viewed from above;

[0023] Figure 4 This is a schematic diagram of the bottom-up section structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the movable structure of the clamping plate of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the utility model when viewed from above;

[0026] Figure 7 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0027] In the figure: 1. Dust cover body; 2. Protective sleeve; 3. Universal joint; 4. Moving plate; 5. Sealing ring; 6. Fixed ring; 7. Screw; 8. Rotating block; 9. Clamping plate; 10. Buffer pad; 11. Limit rod; 12. Oil storage block; 13. One-way oil filling valve; 14. Limit flap. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1: The problem of poor anti-deformation ability of the dust cover body 1 is solved. Figure 1-Figure 7 The utility model provides a technical solution: a three-petal integrated automobile dust cover that can resist deformation, comprising a dust cover body 1, the dust cover body 1 is a stacked rectangular arrangement, and the dust cover body 1 is made of TPEE material, and a universal shaft 3 is penetrated through the inner side of the dust cover body 1;

[0030] The dust cover body 1 also includes: a fixing ring 6 is fixedly installed at the lower inner side of the dust cover body 1, and a screw rod 7 is threadedly connected to the inner side of the fixing ring 6 at an equal angle, and the outer side of the screw rod 7 is rotatably connected to the dust cover body 1; one end of the screw rod 7 is rotatably connected to a clamping plate 9, and a buffer pad 10 is fixedly connected to the inner side of the clamping plate 9, and the buffer pad 10 is arranged on the outer side of the universal shaft 3;

[0031] First, manually install the dust cover body 1 through the outside of the universal shaft 3, and set the stacked rectangular structure of the dust cover body 1 to improve the anti-deformation ability of the dust cover body 1, avoid damage to the dust cover body 1, and prevent dust, rainwater, and mud from entering the universal shaft 3, so as to avoid affecting the transmission performance of the universal shaft 3;

[0032] Embodiment 2: In this embodiment, if Figure 1-Figure 4 As shown, based on the first embodiment, a structure in which the clamping plate 9 can limit and clamp the universal shaft 3 is also disclosed, and the specific contents are as follows;

[0033] The other end of the screw rod 7 is set to penetrate the dust cover body 1, and one end of the screw rod 7 is fixedly connected to a rotating block 8; the buffer pad 10 is made of rubber material, and the buffer pad 10 and the clamping plate 9 are both arc-shaped structures in top section, and the universal shaft 3 can be limited and clamped by the clamping plate 9; a limit rod 11 is fixedly connected to one side of the clamping plate 9, and the limit rod 11 is slidably connected to the fixing ring 6, and the clamping plate 9 can be prevented from rotating with the screw rod 7 by the limit rod 11; a moving disk 4 is slidably connected to the outer side above the universal shaft 3, and a sealing ring 5 is fixedly installed below the moving disk 4, and the connection between the protective sleeve 2 and the universal shaft 3 can be performed by the sealing ring 5;

[0034] Then manually install the movable plate 4 through the outside of the universal shaft 3, and manually press the movable plate 4, so that the movable plate 4 drives the sealing ring 5 to move to the connection between the protective sleeve 2 and the universal shaft 3. The sealing ring 5 can improve the stability and sealing of the connection between the protective sleeve 2 and the universal shaft 3, which is conducive to improving the periodic alternating stress that the dust cover body 1 resists during use;

[0035] Manually rotate the three groups of rotating blocks 8 in sequence, so that the rotating blocks 8 can drive the screw rod 7 to rotate inside the dust cover body 1. Since the screw rod 7 and the fixing ring 6 are threadedly connected, the screw rod 7 will drive the clamping plate 9 to move. At this time, the clamping plate 9 will drive the buffer pad 10 fixedly installed inside thereof to contact the universal shaft 3. The universal shaft 3 can be limitedly clamped by the cooperation of the three groups of clamping plates 9, so that the dust cover body 1 can be stably installed on the outside of the universal shaft 3, which improves the resistance of the dust cover body 1 to periodic alternating stress during use.

[0036] When the clamping plate 9 moves, it will also drive the limiting rod 11 to slide inside the fixing ring 6. The limiting rod 11 can prevent the clamping plate 9 from rotating along with the screw rod 7, which is beneficial to improve the stability of the movement of the clamping plate 9.

[0037] Embodiment 3: In this embodiment, if Figure 1-Figure 6 As shown, based on the second embodiment, a structure in which the oil storage block 12 injects lubricating oil into the outer side of the universal shaft 3 is also disclosed, and its specific contents are as follows;

[0038] An oil storage block 12 is fixedly installed at equal angles on the inner side of the fixing ring 6, and the oil storage block 12 is provided with three groups, and an oil outlet is opened on the oil storage block 12, and a one-way oil filling valve 13 is provided below the oil storage block 12; a limit flap 14 is fixedly installed at equal angles on the inner side below the dust cover body 1, and the limit flap 14 is provided with three groups, and the limit flap 14 is provided with an elastic plastic material;

[0039] When the universal shaft 3 is working, the universal shaft 3 will drive the dust cover body 1 to rotate, and the rotation of the dust cover body 1 will drive the fixed ring 6 fixedly installed inside it to rotate, and the rotation of the fixed ring 6 will drive the three groups of oil storage blocks 12 to rotate. At this time, the oil storage block 12 will inject the lubricating oil inside it into the outside of the universal shaft 3 under the action of centrifugal force, so that the rotation of the universal shaft 3 is more stable, and the lubricating oil can be injected into the oil storage block 12 through the one-way oil injection valve 13 arranged below the oil storage block 12, which is conducive to the reuse of the dust cover body 1 and improves the use effect of the dust cover body 1;

[0040] The three groups of limiting petals 14 arranged below the dust cover body 1 can improve the installation stability of the dust cover body 1 and increase the tensile and compressive stresses of the dust cover body 1;

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A three-flap integrated automobile dust cover capable of resisting deformation, comprising a dust cover body (1), wherein the dust cover body (1) is arranged in a stacked rectangular shape, and the dust cover body (1) is made of TPEE material, and a universal shaft (3) is arranged through the inner side of the dust cover body (1); It is characterized in that Also includes: A fixing ring (6) is fixedly installed at the lower inner side of the dust cover body (1), and a screw rod (7) is equi-angledly threadedly connected to the inner side of the fixing ring (6), and the outer side of the screw rod (7) is rotatably connected to the dust cover body (1); One end of the screw rod (7) is rotatably connected to a clamping plate (9), and a buffer pad (10) is fixedly connected to the inner side of the clamping plate (9), and the buffer pad (10) is arranged on the outer side of the universal shaft (3).

2. The anti-deformation three-petal integrated automobile dust cover according to claim 1, characterized in that: The other end of the screw rod (7) is arranged to penetrate the dust cover body (1), and one end of the screw rod (7) is fixedly connected to a rotating block (8).

3. The anti-deformation three-petal integrated automobile dust cover according to claim 2, characterized in that: The buffer pad (10) is made of rubber material, and the buffer pad (10) and the clamping plate (9) are both arranged in an arc-shaped structure in a top-sectional view, and the universal shaft (3) can be limitedly clamped by the clamping plate (9).

4. The anti-deformation three-petal integrated automobile dust cover according to claim 3, characterized in that: One side of the clamping plate (9) is fixedly connected to a limiting rod (11), and the limiting rod (11) is slidably connected to the fixing ring (6). The limiting rod (11) can prevent the clamping plate (9) from rotating along with the screw rod (7).

5. The anti-deformation three-petal integrated automobile dust cover according to claim 4, characterized in that: An oil storage block (12) is fixedly mounted at an equal angle on the inner side of the fixing ring (6), and three groups of the oil storage blocks (12) are provided. The oil storage blocks (12) are provided with oil outlets, and a one-way oil injection valve (13) is provided below the oil storage blocks (12).

6. The anti-deformation three-petal integrated automobile dust cover according to claim 5, characterized in that: Limiting flaps (14) are fixedly installed at equal angles on the inner side of the lower side of the dust cover body (1), and there are three groups of limiting flaps (14), and the limiting flaps (14) are made of elastic plastic material.

7. The anti-deformation three-petal integrated automobile dust cover according to claim 6, characterized in that: A movable disk (4) is slidably connected to the outer side of the upper side of the universal shaft (3), and a sealing ring (5) is fixedly installed below the movable disk (4). The connection between the protective sleeve (2) and the universal shaft (3) can be secured via the sealing ring (5).

Citation Information

Patent Citations

  • Three-section integrated dust cover

    CN217002772U