Noise reduction type double-row ball hub unit

Abstract

The utility model discloses a noise reduction type double-row ball hub unit which comprises a hub base body, an inner flange plate base body installed on the left side of the hub base body, an outer flange plate base body connected to the outer side of the left portion of the inner flange plate base body, a sound absorption sponge pad and a driving disc. The sound absorption sponge pad is fixedly connected with the inner flange plate base body, the steel balls are installed on the inner side of the outer flange plate base body, the steel balls are arranged on the left side and the right side of the outer flange plate base body, the driving disc is installed on the inner side of the right portion of the outer flange plate base body, and the left end of the driving disc is fixedly connected with second bevel teeth. A moving block is arranged on the right side of the driving disc. According to the noise reduction type double-row ball hub unit, the sound absorption sponges are installed on the inner sides of the installation grooves of the steel balls, sound generated by rotation of the steel balls is effectively absorbed, the driving experience of a driver is prevented from being affected, the installation structures of the inner flange plate and the outer flange plate are simple and stable, disassembly and assembly of the inner flange plate and the outer flange plate can be conveniently and rapidly completed, and work time and work energy are saved.

Description

Technical Field

[0001] The utility model relates to the technical field related to wheel hubs, in particular to a noise reduction type double-row ball wheel hub unit. Background Art

[0002] The wheel hub is one of the components of the car tire. It is installed on the inner contour of the tire to support the tire. The wheel hub is connected to the car through a flange to achieve coaxial rotation between the wheel hub and the car tire. The wheel hub with double-sided steel balls installed inside is called a double-row ball hub.

[0003] However, during the use of the wheel hub, as the inner flange rotates, the steel balls continue to roll and make noise, causing discomfort to the driver when the car is driving. In addition, the disassembly and assembly process of the inner and outer flanges is complicated, which requires more working time and energy. Therefore, we propose a noise-reducing double-row ball hub unit to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a noise-reducing double-row ball hub unit to solve the problem raised in the above-mentioned background technology that during use of the current hub, as the inner flange rotates, the steel balls continuously roll and make noise, causing discomfort to the driver when the car is driving, and the disassembly and assembly process of the inner flange and the outer flange is complicated, which requires more working time and energy.

[0005] To achieve the above object, the utility model provides the following technical solution: a noise reduction type double-row ball hub unit, comprising: a hub base, an inner flange base installed on the left side of the hub base and an outer flange base connected to the outer side of the left part of the inner flange base;

[0006] Also includes:

[0007] A sound-absorbing sponge pad, which is arranged on the outside of the steel ball and fixedly connected to the inner flange base, and the steel ball is installed on the inner side of the outer flange base, and the steel ball is arranged on both the left and right sides of the outer flange base;

[0008] A driving disc, wherein the driving disc is mounted on the inner side of the right part of the outer flange base, and a second bevel gear is fixedly connected to the left end of the driving disc, and a moving block is arranged on the right side of the driving disc, and the upper side of the second bevel gear is connected to the first bevel gear;

[0009] A clamping block, wherein the clamping block is fixedly mounted on the inner side of the connecting block, and the left end of the connecting block is fixedly connected to the moving block, and the left and right sections of the connecting block are respectively mounted on the inner sides of the outer flange base and the inner flange base;

[0010] The limit block is installed inside the installation frame, and the right end of the limit block is fixedly connected to the sleeve, and a threaded rod is arranged on the inner side of the sleeve. The installation frame is fixedly connected to the upper end of the outer flange base.

[0011] Preferably, the inner flange base is fixedly connected to the hub base by bolts, and the outer flange base is slidably connected to the left outer side of the inner flange base, and the bolts are arranged in an equiangular ring along the center point of the hub base.

[0012] Preferably, the steel ball is rotatably connected in an arc-shaped groove opened on the inner side of the outer flange base, and the steel ball rolls through the rotation of the inner flange base, and the steel ball is arranged at equal angles along the center point of the outer flange base, and the sound-absorbing sponge pad is arranged at equal angles along the center point of the steel ball.

[0013] Preferably, the upper end of the central axis of the first bevel gear is fixedly connected to the lower end of the rotating shaft, and the rotating shaft is rotatably connected to the inner side of the left portion of the mounting frame, the first bevel gear is meshed with the second bevel gear for transmission, and the second bevel gear drives the driving disk to be rotatably connected to the inner side of the outer flange base.

[0014] Preferably, a spiral groove is formed at the right end of the driving disk, and the moving block is meshedly connected to the driving disk, a sawtooth is fixedly mounted at the left end of the moving block, and the moving block drives the left part of the connecting block to slide and connect to the inner side of the outer flange base.

[0015] Preferably, the right part of the connecting block is slidably connected in a groove opened on the inner side of the left part of the inner flange base, and the clamping block is clamped and connected to the inner side of the inner flange base through the connecting block, the inner end of the clamping block is a conical structure, and the distance between two adjacent clamping blocks is the same.

[0016] Preferably, the threaded rod is rotatably connected to the inner side of the mounting frame, and the outer side of the left portion of the threaded rod is rotatably connected to a sleeve, a protrusion fixedly mounted on the outer side of the sleeve is slidably connected to a groove formed on the inner wall of the mounting frame, and the limit block is engaged with a through groove formed on the inner side of the upper portion of the rotating shaft in an active state through the sleeve.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the noise reduction type double-row ball hub unit has a sound-absorbing sponge installed inside the installation groove of the steel ball, which effectively absorbs the sound made by the rotation of the steel ball to avoid affecting the driving experience of the driver, and the installation structure of the inner and outer flanges is simple and stable, which is convenient for quickly completing the disassembly and assembly of the two, saving work time and energy;

[0018] 1. A sound-absorbing sponge pad is provided and installed inside the installation groove of the steel ball. When the steel ball rotates and rubs against the inner flange matrix and the outer flange matrix, the sound-absorbing sponge pad absorbs the noise at a close distance to prevent the noise from continuing to spread, avoid the driver from being affected by the noise, and protect the driver's driving experience;

[0019] 2. A driving disk, a moving block and a clamping block are provided. The driving disk is driven to rotate by the rotation of the second bevel gear. The moving block is engaged with the driving disk to control the connection block and the clamping block to move toward the inner side of the inner flange base. The clamping connection of the clamping block and the inner flange base fixed at equal angles along the center point of the inner flange base is used to improve the installation stability of the inner flange base and the outer flange base. The method for releasing the connection between the clamping block and the inner flange base is simple, which is convenient for quickly completing the disassembly and assembly of the inner flange base and the outer flange base, saving time and energy.

[0020] 3. A first bevel tooth, a threaded rod and a limit block are provided. After the first bevel tooth is driven to rotate by rotating the rotating shaft, the second bevel tooth engages with the first bevel tooth to control the rotation of the drive plate. The driving method is simple, and the rotating threaded rod pushes the limit block through the sleeve to snap into the through groove of the rotating shaft, thereby fixing the position of the rotating shaft and the first bevel tooth, ensuring the stability of the connecting block and the clamping block on the inside of the inner flange base, improving the stability of the installation of the inner flange base and the outer flange base, and avoiding the separation of the inner flange base and the outer flange base due to vehicle vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 2 It is a side view structural schematic diagram of the inner flange base of the utility model;

[0023] Figure 3 It is a side view structural diagram of the drive disk of the utility model;

[0024] Figure 4 This is a schematic diagram of the overall structure of the mobile block of the utility model;

[0025] Figure 5 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 6 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0027] In the figure: 1. hub base; 2. inner flange base; 3. outer flange base; 4. bolt; 5. steel ball; 6. sound-absorbing sponge pad; 7. mounting frame; 8. rotating shaft; 9. first bevel gear; 10. second bevel gear; 11. driving plate; 12. moving block; 13. connecting block; 14. clamping block; 15. threaded rod; 16. sleeve; 17. limit block. 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] See also Figure 1-6 The utility model provides a technical solution: a noise reduction type double-row ball hub unit, comprising: a hub base 1, an inner flange base 2, an outer flange base 3, bolts 4, steel balls 5, a sound-absorbing sponge pad 6, a mounting frame 7, a rotating shaft 8, a first bevel gear 9, a second bevel gear 10, a driving disc 11, a moving block 12, a connecting block 13, a clamping block 14, a threaded rod 15, a sleeve 16 and a limit block 17.

[0030] When using the noise reduction double row ball hub unit, first Figure 1 , Figure 2 and Figure 6 As shown, the hub base 1 is fixedly mounted on the right end outer side of the inner flange base 2 by bolts 4, and the outer flange base 3 is slidably connected to the left outer side of the inner flange base 2, the steel ball 5 is rotatably connected to the inner side of the outer flange base 3, and the steel ball 5 is arranged on both the left and right sides of the outer flange base 3, and the steel ball 5 is arranged at equal angles along the center point of the outer flange base 3, the sound-absorbing sponge pad 6 is fixedly mounted on the inner side of the rotating groove of the steel ball 5, and the sound-absorbing sponge pad 6 is arranged at equal angles along the center point of the steel ball 5, and the steel ball 5 rolls on the left outer side of the inner flange base 2;

[0031] The hub base 1 is installed on the right end of the inner flange base 2, and the installation of the hub base 1 and the inner flange base 2 is completed by the cooperation of the bolts 4 and the nuts. During the use of the hub base 1, the inner flange base 2 drives the hub base 1 to rotate. At this time, the steel ball 5 starts to rotate, and the noise generated during the rotation is absorbed and eliminated by the sound-absorbing sponge pad 6, so as to avoid the sound-absorbing sponge pad 6 from continuing to spread and causing adverse effects on the driver, thereby protecting the driver's driving experience.

[0032] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the mounting frame 7 is fixedly mounted on the upper end of the outer flange base 3, the rotating shaft 8 is rotatably connected to the inner side of the left part of the mounting frame 7, the lower end of the rotating shaft 8 is fixedly connected to the central axis of the first bevel gear 9, the lower side of the first bevel gear 9 is connected to the second bevel gear 10, and the first bevel gear 9 and the second bevel gear 10 are meshed for transmission, the right end of the second bevel gear 10 is fixedly mounted with a driving disk 11, and the right end of the driving disk 11 is provided with a spiral groove, the left end of the moving block 12 is fixed with a sawtooth, and the moving block 12 is meshed for transmission with the driving disk 11, the moving block 12 is arranged in an annular manner at equal angles along the center point of the outer flange base 3, the right end of the moving block 12 is fixedly mounted with a connecting block 13, and the inner end of the connecting block 13 is fixed with a clamping block 14, the inner section of the clamping block 14 is arranged in a conical structure, and the clamping block 14 is clamped and connected in the groove provided inside the inner flange base 2;

[0033] The outer flange base 3 is installed on the outer side of the inner flange base 2, the connecting block 13 and the clamping block 14 slide into the groove at the left end of the inner flange base 2, and the rotating shaft 8 is rotated to make the first bevel gear 9 rotate and mesh with the second bevel gear 10 for transmission, and the second bevel gear 10 drives the driving disc 11 to rotate inside the outer flange base 3, and the moving block 12 drives the connecting block 13 and the clamping block 14 to move toward the inner side of the inner flange base 2 as the driving disc 11 rotates, until the clamping block 14 is clamped into the groove provided inside the inner flange base 2, and the rotating shaft 8 is stopped to complete the position fixing of the clamping block 14, thereby improving the stability of the installation of the inner flange base 2 and the outer flange base 3 and preventing the two from being separated during the driving process of the car;

[0034] The threaded rod 15 is rotatably connected to the inner side of the mounting frame 7, and the outer side of the left portion of the threaded rod 15 is rotatably connected to a sleeve 16, and a protrusion fixed on the outer side of the sleeve 16 is slidably connected to the inner wall groove of the mounting frame 7, and a limit block 17 is fixedly installed on the left end of the sleeve 16, and the limit block 17 is engaged and connected to the through groove opened on the inner side of the upper portion of the rotating shaft 8;

[0035] When the rotating shaft 8 stops rotating, the through slot opening inside the rotating shaft 8 is aligned with the limit block 17, and the threaded rod 15 is rotated to make the sleeve 16 move smoothly to the left in the horizontal direction. The limit block 17 is pushed by the sleeve 16 to be inserted into the interior of the rotating shaft 8, and the limit block 17 is used to penetrate the rotating shaft 8 to complete the fixation of the first bevel gear 9. The self-locking function of the threaded rod 15 ensures the stability of the connection, avoids the movement of the rotating shaft 8, ensures safety during driving, and facilitates quick contact with the limit of the rotating shaft 8, saving time.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. In addition, the directional terms such as up, down, left, right, front, and back in the text only represent their relative positions rather than absolute positions.

[0037] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0038] 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 noise reduction double-row ball hub unit, comprising: A wheel hub base (1), an inner flange base (2) mounted on the left side of the wheel hub base (1), and an outer flange base (3) connected to the outer side of the left portion of the inner flange base (2); It is characterized by further comprising: A sound-absorbing sponge pad (6), wherein the sound-absorbing sponge pad (6) is arranged on the outside of the steel ball (5), and the sound-absorbing sponge pad (6) is fixedly connected to the inner flange base (2), and the steel ball (5) is installed on the inner side of the outer flange base (3), and the steel ball (5) is arranged on both the left and right sides of the outer flange base (3); A driving disc (11), the driving disc (11) being mounted on the inner side of the right portion of the outer flange base (3), and the left end of the driving disc (11) being fixedly connected to a second bevel gear (10), and a moving block (12) being arranged on the right side of the driving disc (11), and the upper side of the second bevel gear (10) being connected to the first bevel gear (9); A clamping block (14), wherein the clamping block (14) is fixedly mounted on the inner side of the connecting block (13), and the left end of the connecting block (13) is fixedly connected to the moving block (12), and the left and right sections of the connecting block (13) are respectively mounted on the inner sides of the outer flange base (3) and the inner flange base (2); A limit block (17), the limit block (17) is installed inside the installation frame (7), and the right end of the limit block (17) is fixedly connected to the sleeve (16), and a threaded rod (15) is arranged on the inner side of the sleeve (16), and the installation frame (7) is fixedly connected to the upper end of the outer flange base (3).

2. A noise reduction double-row ball hub unit according to claim 1, characterized in that: The inner flange base (2) is fixedly connected to the hub base (1) by bolts (4), and the outer flange base (3) is slidably connected to the left outer side of the inner flange base (2), and the bolts (4) are arranged in a ring at equal angles along the center point of the hub base (1).

3. The noise reduction double-row ball hub unit according to claim 1, characterized in that: The steel ball (5) is rotatably connected to an arc-shaped groove opened on the inner side of the outer flange base (3), and the steel ball (5) rolls through the rotation of the inner flange base (2), and the steel ball (5) is arranged at an equal angle along the center point of the outer flange base (3), and the sound-absorbing sponge pad (6) is arranged at an equal angle along the center point of the steel ball (5).

4. The noise reduction double-row ball hub unit according to claim 1, characterized in that: The upper end of the central axis of the first bevel gear (9) is fixedly connected to the lower end of the rotating shaft (8), and the rotating shaft (8) is rotatably connected to the inner side of the left part of the installation frame (7). The first bevel gear (9) and the second bevel gear (10) are meshed and transmitted, and the second bevel gear (10) drives the driving disk (11) to be rotatably connected to the inner side of the outer flange base (3).

5. The noise reduction double-row ball hub unit according to claim 4, characterized in that: The right end of the driving disk (11) is provided with a spiral groove, and the moving block (12) is meshedly connected with the driving disk (11), the left end of the moving block (12) is fixedly mounted with a sawtooth, and the moving block (12) drives the left part of the connecting block (13) to be slidably connected to the inner side of the outer flange base (3).

6. The noise reduction double-row ball hub unit according to claim 5, characterized in that: The right part of the connecting block (13) is slidably connected to a groove opened on the inner side of the left part of the inner flange base (2), and the clamping block (14) is clamped and connected to the inner side of the inner flange base (2) through the connecting block (13), the inner end of the clamping block (14) is in a conical structure, and the distance between two adjacent clamping blocks (14) is the same.

7. The noise reduction double-row ball hub unit according to claim 1, characterized in that: The threaded rod (15) is rotatably connected to the inner side of the installation frame (7), and the outer side of the left part of the threaded rod (15) is rotatably connected to a sleeve (16), a protrusion fixedly installed on the outer side of the sleeve (16) is slidably connected to a groove provided on the inner wall of the installation frame (7), and the limit block (17) is engaged with a through groove provided on the inner side of the upper part of the rotating shaft (8) in an active state through the sleeve (16).

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