Hub unit capable of being rapidly installed

Abstract

The utility model relates to the technical field of hub units, and discloses a hub unit capable of being rapidly installed, a plurality of grooves used for reducing weight are arranged on the surface of a hub, an axle is installed at the center of the hub, a plurality of conical grooves used for installation are arranged on the upper surface of the hub corresponding to the center of the axle, and the conical grooves are arranged in the grooves. The lower end of the axle is fixedly provided with a positioning column, the lower end of the positioning column is installed in a conical groove, through rapid alignment and clamping connection of a trapezoidal positioning block and the positioning groove, preliminary positioning of the axle and a hub in the horizontal direction is achieved, the time for aligning the position during installation is shortened, and the fixing ring restrains the trapezoidal positioning block; and through auxiliary positioning of the semicircular blocks and the semicircular grooves in the vertical direction, the accuracy and stability of connection of the axle and the hub are guaranteed in multiple dimensions, the installation deviation is reduced, and the overall assembly precision of the hub unit is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheel hub unit, concretely to a wheel hub unit of quick installation. BACKGROUND

[0002] In the modern automobile industry, as the key component connecting the wheel and the axle, the performance and installation convenience of the wheel hub unit directly affect the overall performance of the vehicle and the production and maintenance efficiency. The traditional wheel hub unit installation process is often relatively complex, which needs to consume a lot of time and manpower. For example, the common bolt connection type wheel hub unit needs to align and tighten multiple bolts one by one during installation, which is not only cumbersome to operate, but also requires a high degree of skill of the installer. A slight mistake may lead to uneven tightening torque of the bolts, thereby affecting the installation accuracy and connection stability of the wheel hub unit.

[0003] With the growing scale of automobile production and the increasing demand for timeliness of maintenance in after-sales service, this complex installation method highlights its drawbacks. On the automobile production line, the long wheel hub unit installation time reduces the overall production efficiency and increases the production cost. In the automobile maintenance scene, the complex installation process prolongs the vehicle maintenance time and reduces customer satisfaction. In addition, the traditional wheel hub unit has certain limitations in positioning method, which makes it difficult to quickly and accurately realize the butt joint of the axle and the wheel hub, leading to the occurrence of installation deviation. This not only affects the stability of vehicle driving, but also may accelerate the wear of the wheel hub unit and related components, shortening their service life.

[0004] To solve the above problems, we propose a wheel hub unit of quick installation. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the utility model provides a wheel hub unit of quick installation, which solves the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a wheel hub unit of quick installation, comprising a wheel hub, a plurality of grooves for weight reduction are arranged on the surface of the wheel hub, an axle is installed at the center of the wheel hub, a plurality of conical grooves for installation are arranged on the upper surface of the wheel hub corresponding to the center of the axle, a positioning column is fixedly installed at the lower end of the axle, and the lower end of the positioning column is installed in the conical groove.

[0007] A positioning assembly is installed at the upper end of the wheel hub, which is a structure for positioning the axle and the wheel hub when they are connected, and realizes the preliminary positioning of the axle and the wheel hub in the horizontal direction through the quick alignment clamping of the trapezoidal positioning block and the positioning groove.

[0008] Preferably, the positioning assembly comprises trapezoidal positioning blocks, positioning grooves, ring grooves and fixing rings, the upper end of the hub is fixedly installed with a plurality of trapezoidal positioning blocks for clamping on the outer side of the axle, the surface of the axle is correspondingly provided with a plurality of positioning grooves matched with the trapezoidal positioning blocks, the trapezoidal positioning blocks are installed in the positioning grooves, and ring grooves are arranged at the outer side center of the plurality of trapezoidal positioning blocks.

[0009] Preferably, the connecting part of the hub and the axle is provided with a mounting seat, the mounting seat is installed around the side end of the axle, and a plurality of square grooves are arranged on the surface of the mounting seat and correspond to the positions of the trapezoidal positioning blocks.

[0010] Preferably, the surface of the axle is fixedly installed with a semicircular block for assisting between the two positioning grooves, and a semicircular groove is arranged on the upper surface of the mounting seat and corresponds to the position of the semicircular block.

[0011] Preferably, a plurality of horizontal bolts for fixing are uniformly installed on the side end of the mounting seat and correspond to the positions of the trapezoidal positioning blocks, and one end of the horizontal bolt extends to the inside of the axle through the surface of the mounting seat and the trapezoidal positioning block.

[0012] Preferably, a vertical bolt for fixing is installed on the upper surface of the mounting seat and corresponds to the positions of the two trapezoidal positioning blocks, and the lower end of the vertical bolt extends to the outside of the hub.

[0013] Preferably, a reinforcing column for supporting is installed on the inside of the hub and corresponds to the side end of the recess.

[0014] Compared with the prior art, the hub unit provided by the utility model has the following beneficial effects:

[0015] 1. The hub unit is quickly aligned and clamped through the trapezoidal positioning blocks and the positioning grooves, the axle and the hub are preliminarily positioned in the horizontal direction, the time for finding the position during installation is shortened, the fixing ring restricts the trapezoidal positioning blocks, the semicircular block and the semicircular groove are used for auxiliary positioning in the vertical direction, the accuracy and stability of the connection between the axle and the hub are ensured in multiple dimensions, the installation deviation is reduced, and the assembly precision of the hub unit as a whole is improved.

[0016] 2. The hub unit is tightly connected with the axle through the horizontal bolt, and the hub is further fastened with the mounting seat through the vertical bolt, the two cooperate with each other, the firmness of the connection between the axle and the hub is enhanced in all directions, various vibrations, impacts and other external forces in the process of vehicle driving are effectively resisted, the connection is prevented from loosening, the safety hidden danger is reduced, and the service life of the hub unit is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1The utility model discloses a structure schematic diagram.

[0018] Fig. 2 The utility model discloses a wheel shaft decomposition schematic diagram.

[0019] Fig. 3 The utility model discloses a wheel hub schematic diagram.

[0020] In the drawing: 1, wheel hub;2, wheel shaft;3, recess;4, mounting seat;5, square groove;6, semicircle groove;7, positioning groove;8, semicircle block;9, positioning column;10, trapezoidal positioning block;11, ring groove;12, conical groove;13, horizontal bolt;14, vertical bolt;15, fixed ring;16, reinforcing column. Specific implementation

[0021] The utility model discloses an embodiment of the utility model will be clearly and completely described below with the drawings in the embodiment of the utility model to the technical scheme in the embodiment of the utility model, obviously, the described embodiment only is a part of embodiment of the utility model, but not all the embodiment, based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figs. 1-3 A quick installation wheel hub unit, including wheel hub 1, the surface of wheel hub 1 is provided with multiple recesses 3 for reducing weight, the center of wheel hub 1 installs wheel shaft 2, the upper surface of wheel hub 1 is provided with multiple conical grooves 12 for installation corresponding the center of wheel shaft 2, the lower end of wheel shaft 2 is fixedly installed positioning column 9, the lower end of positioning column 9 is installed in the inside of conical groove 12, still include: positioning assembly, install in the upper end of wheel hub 1, for the structure that positioning when wheel shaft 2 and wheel hub 1 are connected, through the quick alignment of trapezoidal positioning block 10 and positioning groove 7 and connect, realize the preliminary positioning of wheel shaft 2 and wheel hub 1 in horizontal direction, through the cooperation between semicircle block 8 and semicircle groove 6, the vertical positioning of wheel shaft 2 is carried out.

[0023] Further, the positioning assembly includes trapezoidal positioning blocks 10, positioning grooves 7, ring grooves 11 and fixed rings 15, the upper end of the wheel hub 1 is fixedly installed with a plurality of trapezoidal positioning blocks 10 corresponding to the outer side of the wheel shaft 2 for clamping, the surface of the wheel shaft 2 is provided with a plurality of positioning grooves 7 corresponding to the trapezoidal positioning blocks 10, the trapezoidal positioning blocks 10 are installed in the inside of the positioning grooves 7, the outer side center of the plurality of trapezoidal positioning blocks 10 is provided with a ring groove 11, the ring groove 11 is installed with a fixed ring 15 in the inside, the preliminary positioning between the wheel hub 1 and the wheel shaft 2 is realized through the cooperation between the trapezoidal positioning blocks 10 and the positioning grooves 7, and the fixed ring 15 is installed on the outer side of the trapezoidal positioning blocks 10 to fix the trapezoidal positioning blocks 10.

[0024] Further, the connecting part of the hub 1 and the axle 2 is provided with a mounting seat 4, which is mounted around the side end of the axle 2. The surface of the mounting seat 4 is provided with a plurality of square grooves 5 corresponding to the position of the trapezoidal positioning block 10, and the trapezoidal positioning block 10 is mounted inside the square groove 5.

[0025] Further, the surface of the axle 2 is fixedly mounted with a semicircular block 8 for assisting between the two positioning grooves 7. The upper surface of the mounting seat 4 is provided with a semicircular groove 6 corresponding to the position of the semicircular block 8, and the semicircular block 8 is mounted inside the semicircular groove 6. The semicircular block 8 assists in positioning, and the vertical positioning of the axle 2 and the mounting seat 4 is achieved through the matching between the semicircular block 8 and the semicircular groove 6.

[0026] Further, a plurality of fixing horizontal bolts 13 are uniformly mounted on the side end of the mounting seat 4 corresponding to the position of the trapezoidal positioning block 10. One end of the horizontal bolt 13 extends to the inside of the axle 2 through the surface of the mounting seat 4 and the trapezoidal positioning block 10. By tightening the horizontal bolt 13, the mounting seat 4, the trapezoidal positioning block 10 and the axle 2 are tightly connected as a whole.

[0027] Further, a vertical bolt 14 for fixing is mounted on the upper surface of the mounting seat 4 corresponding to the two trapezoidal positioning blocks 10. The lower end of the vertical bolt 14 extends to the outside of the hub 1, and the vertical bolt 14 fixes the hub 1 and the mounting seat 4.

[0028] Further, a reinforcing column 16 for supporting is mounted inside the hub 1 corresponding to the side end of the groove 3. The reinforcing column 16 strengthens the support inside the hub 1 mechanism.

[0029] Structure description:

[0030] 1. Hub: The hub is the main bearing structure of the quick mounting hub unit, which is in the shape of a disc as a whole, used for mounting wheels and connecting with axles. The central part is provided with a specific structure for precise docking and connection with the axle, becoming the key hub of the whole hub unit connecting the wheels and the axle, and bearing important functions such as transmitting power and supporting the weight of the vehicle body during driving;

[0031] 2. Axle: The axle is the core component connecting the hub and the vehicle transmission system, which is in the shape of a long shaft. One end of the axle is connected with the hub through a specific positioning and fastening method to ensure close combination with the hub, transmit the power of the vehicle transmission system to the hub, and then drive the wheels to rotate, which is the key channel of power transmission for vehicle driving;

[0032] 3. Groove: The groove is a weight-reducing structure provided inside the hub, which is regularly distributed at a specific position of the hub. Its shape and size are carefully designed to effectively reduce the weight of the hub without affecting the overall structural strength of the hub, improve the fuel economy or power performance of the vehicle, and also provide space for the installation of structures such as reinforcing columns.

[0033] 4. Mounting seat: The mounting seat is an auxiliary connecting structure located at the connection between the wheel hub and the axle, which is installed around the side end of the axle. It is closely connected with the wheel hub and the axle through a specific connecting method. Its surface is provided with a plurality of square grooves for cooperating with the trapezoidal positioning blocks to play the role of auxiliary positioning and reinforcing connection. It is an important component for enhancing the stability of the connection between the wheel hub and the axle.

[0034] 5. Square groove: The square groove is a positioning structure opened on the surface of the mounting seat. Its shape is square, its position corresponds to the trapezoidal positioning block, and its size is adapted to the trapezoidal positioning block. During installation, the trapezoidal positioning block can be embedded in the square groove to further position and constrain the connection between the axle and the wheel hub from the side, ensuring the accuracy and stability of the installation.

[0035] 6. Semi-circular groove: The semi-circular groove is an auxiliary positioning structure provided on the upper surface of the mounting seat. Its shape is semi-circular, and its position corresponds to the semi-circular block on the axle. During the installation of the axle and the wheel hub, the semi-circular block can be embedded in the semi-circular groove to assist in positioning in the vertical direction, further ensuring the accurate docking of the axle and the wheel hub and reducing installation deviation.

[0036] 7. Positioning groove: The positioning groove is a positioning structure opened on the surface of the axle. Its shape matches the trapezoidal positioning block. During installation, the trapezoidal positioning block can be quickly aligned and clamped into the positioning groove to achieve preliminary positioning of the axle and the wheel hub in the horizontal direction, limiting the circumferential displacement of the two, providing a basis for subsequent accurate installation and connection.

[0037] 8. Semi-circular block: The semi-circular block is an auxiliary positioning structure fixedly installed on the surface of the axle. It is semi-circular in shape and its position corresponds to the semi-circular groove on the mounting seat. During the installation of the axle and the wheel hub, it is embedded in the semi-circular groove to assist in positioning in the vertical direction, improving the accuracy of the connection between the axle and the wheel hub and enhancing the reliability of the connection.

[0038] 9. Positioning column: The positioning column is a positioning structure fixedly installed at the lower end of the axle. It is column-shaped and its size is adapted to the tapered groove on the wheel hub. During installation, the positioning column can be inserted into the tapered groove to further position the connection between the axle and the wheel hub, ensuring the accurate docking of the axle and the wheel hub in the axial and radial directions and improving installation precision.

[0039] 10. Trapezoidal positioning block: The trapezoidal positioning block is a positioning structure installed on the upper end of the wheel hub corresponding to the outer side of the axle. Its shape is trapezoidal and it matches the positioning groove on the axle. During installation, it can be quickly aligned and clamped into the positioning groove to achieve preliminary positioning of the axle and the wheel hub in the horizontal direction. It can also be embedded in the square groove on the mounting seat to assist in positioning and reinforcing connection from multiple dimensions. It is one of the key structures for achieving fast installation and stable connection.

[0040] 11. Ring groove: The ring groove is a structure arranged at the center of the outer side of the plurality of trapezoidal positioning blocks, in the shape of a ring, which is used to install a fixing ring. The fixing ring is installed in the ring groove to further constrain the trapezoidal positioning blocks, prevent them from shaking in the positioning groove, enhance the positioning stability, and ensure the connection accuracy of the axle and the hub;

[0041] 12. Conical groove: The conical groove is a positioning structure arranged on the upper surface of the hub corresponding to the center of the axle, in the shape of a cone, which is matched in size with the positioning column. During installation, the positioning column can be inserted into the conical groove to position and guide the connection of the axle and the hub, which helps to accurately butt joint the axle and the hub;

[0042] 13. Transverse bolt: The transverse bolt is a fastening structure installed on the side end of the mounting seat corresponding to the position of the trapezoidal positioning block, in the shape of a bolt. One end of the transverse bolt extends to the inside of the axle through the surface of the mounting seat and the trapezoidal positioning block. By tightening the transverse bolt, the mounting seat, trapezoidal positioning block and axle can be tightly connected as a whole, enhancing the firmness of the connection between the axle and the hub, and preventing loosening during vehicle driving;

[0043] 14. Vertical bolt: The vertical bolt is a fastening structure installed on the upper surface of the mounting seat corresponding to the position between the two trapezoidal positioning blocks, in the shape of a bolt. The lower end of the vertical bolt extends to the outside of the hub. By tightening the vertical bolt, the mounting seat and the hub can be further fastened, and pressure is applied from above, which cooperates with the transverse bolt to reinforce the connection between the axle and the hub in all directions;

[0044] 15. Fixing ring: The fixing ring is a constraint structure installed in the ring groove on the outer side of the plurality of trapezoidal positioning blocks, in the shape of a ring. The fixing ring is installed in the ring groove to further constrain the trapezoidal positioning blocks, prevent them from shaking in the positioning groove, enhance the positioning stability, and ensure the connection accuracy of the axle and the hub, which plays an important role in ensuring the installation quality of the entire hub unit;

[0045] 16. Reinforcing column: The reinforcing column is a support structure installed in the hub corresponding to the side end of the recess, in the shape of a column. It is used to support the hub structure. Although the recess reduces the weight of the hub, the reinforcing column can effectively compensate for the possible decrease in structural strength caused by the existence of the recess, ensuring that the hub can maintain good structural integrity when subjected to various stresses during vehicle driving, and ensuring the safety of vehicle driving.

[0046] Usage instructions

[0047] Working principle: when installing, the mounting seat 4 is installed around the side end of the axle 2, a plurality of square grooves 5 are arranged on the surface of the mounting seat 4 corresponding to the position of the trapezoidal positioning block 10, the trapezoidal positioning block 10 can be embedded in the square groove 5, the axle 2 is close to the hub 1, the trapezoidal positioning block 10 can be quickly aligned and clamped into the positioning groove 7, the preliminary positioning of the axle 2 and the hub 1 in the horizontal direction is realized, the circumferential displacement of the two is limited, the fixing ring 15 is installed in the ring groove 11 outside the plurality of trapezoidal positioning blocks, the fixing ring 15 can further constrain the trapezoidal positioning block 10, prevent it from shaking in the positioning groove 7, enhance the positioning stability, ensure the connection accuracy of the axle 2 and the hub 1, when the axle 2 and the hub 1 are installed, the semicircle block 8 can be embedded in the semicircle groove 6, which assists in positioning in the vertical direction, further ensures the accurate butt joint of the axle 2 and the hub 1, reduces the deviation amount in the installation process, the transverse bolt 13 is installed to the side end of the mounting seat 4, the mounting seat 4, the trapezoidal positioning block 10 and the axle 2 are tightly connected as a whole by tightening the transverse bolt 13, the firmness of the connection of the axle 2 and the hub 1 is enhanced, and loosening during vehicle driving is prevented, at the same time, the vertical bolt 14 is installed on the mounting seat 4, the mounting seat 4 and the hub 1 are further fastened by tightening the vertical bolt 14, pressure is applied from above, and the transverse bolt 13 cooperates to further reinforce the connection of the axle 2 and the hub 1.

[0048] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick installation wheel hub unit comprising a wheel hub (1), the surface of the wheel hub (1) is provided with a plurality of grooves (3) for weight reduction, the center of the wheel hub (1) is provided with a plurality of tapered slots (12) for installation corresponding to the center of the axle (2), the lower end of the axle (2) is fixedly installed with a positioning column (9), the lower end of the positioning column (9) is installed inside the tapered slot (12), characterized in that, Also include: Positioning assembly, installed in the upper end of the hub (1), for the structure of the axle (2) and the hub (1) when connected to the positioning.

2. A quick-mounting wheel hub unit according to claim 1, characterized in that: The positioning assembly comprises a trapezoidal positioning block (10), a positioning groove (7), a ring groove (11) and a fixed ring (15), the upper end of the hub (1) is fixedly installed with a plurality of trapezoidal positioning blocks (10) corresponding to the outer side of the axle (2) for clamping, the surface of the axle (2) is provided with a plurality of positioning grooves (7) matched with the trapezoidal positioning block (10), the trapezoidal positioning block (10) is installed in the inside of the positioning groove (7), a plurality of ring grooves (11) are arranged at the center of the outer side of the trapezoidal positioning block (10), and a fixed ring (15) is installed in the inside of the ring groove (11).

3. A quick-mounting wheel hub unit according to claim 2, characterized in that: The connecting part of the hub (1) and the axle (2) is provided with a mounting seat (4), the mounting seat (4) is installed around the side end of the axle (2), and a plurality of square grooves (5) are arranged on the surface of the mounting seat (4) corresponding to the position of the trapezoidal positioning block (10), and the trapezoidal positioning block (10) is installed in the inside of the square groove (5).

4. A quick-mounting wheel hub unit according to claim 3, characterized in that: The surface of the axle (2) is fixedly installed with a semicircular block (8) for assisting between two positioning grooves (7), and the upper surface of the mounting seat (4) is provided with a semicircular groove (6) corresponding to the position of the semicircular block (8), and the semicircular block (8) is installed in the inside of the semicircular groove (6).

5. A quick-mounting wheel hub unit according to claim 3, characterized in that: The side end of the mounting seat (4) is uniformly installed with a plurality of horizontal bolts (13) for fixing corresponding to the position of the trapezoidal positioning block (10), one end of the horizontal bolt (13) extends to the inside of the axle (2) through the surface of the mounting seat (4) and the trapezoidal positioning block (10).

6. A quick-mounting wheel hub unit according to claim 3, characterized in that: The upper surface of the mounting seat (4) is provided with a vertical bolt (14) for fixing installed between two trapezoidal positioning blocks (10), and the lower end of the vertical bolt (14) extends to the outside of the hub (1).

7. A quick-mounting wheel hub unit according to claim 1, characterized in that: The inside of the hub (1) is provided with a reinforcing column (16) for supporting corresponding to the side end of the recess (3).

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