阅读说明：本技术 一种用于汽车轮毂的防盗结构 (Anti-theft structure for automobile hub ) 是由 陆人定 于 2020-06-05 设计创作，主要内容包括：本发明公开了一种用于汽车轮毂的防盗结构,涉及汽车轮毂相关领域,为解决目前汽车轮毂所采用的防盗螺栓进行防盗的防盗措施较为单一,不够有效的问题。所述轮毂主体上设置有轮毂固定座,所述轮毂固定座的后端设置有后防盗盘,所述后防盗盘包括防盗环,所述防盗环前端面上设置有第一圆形贯穿孔、弧形连接孔和第二圆形贯穿孔,第一圆形贯穿孔、弧形连接孔和第二圆形贯穿孔连通,第二圆形贯穿孔的直径大于弧形连接孔和第一圆形贯穿孔的直径,弧形连接孔和第一圆形贯穿孔的直径相等,所述轮毂固定座与后防盗盘通过第二防盗螺栓固定连接,所述第二防盗螺栓由螺栓头、光圆杆、圆形外凸出部和第三螺杆构成。(The invention discloses an anti-theft structure for an automobile hub, relates to the field of automobile hub correlation, and aims to solve the problems that an anti-theft bolt adopted by the existing automobile hub is single in anti-theft measure and not effective enough. The anti-theft device is characterized in that a hub fixing seat is arranged on the hub main body, a rear anti-theft disc is arranged at the rear end of the hub fixing seat and comprises an anti-theft ring, a first circular through hole, an arc-shaped connecting hole and a second circular through hole are formed in the front end face of the anti-theft ring and communicated, the diameter of the second circular through hole is larger than that of the arc-shaped connecting hole and the first circular through hole, the diameter of the arc-shaped connecting hole is equal to that of the first circular through hole, the hub fixing seat is fixedly connected with the rear anti-theft disc through a second anti-theft bolt, and the second anti-theft bolt is composed of a bolt head, a smooth round rod, a circular outer protruding portion and a third screw rod.)

1. The utility model provides an theftproof structure for automobile wheel hub, includes wheel hub main part (1), its characterized in that: the anti-theft hub is characterized in that a hub fixing seat (2) is arranged on the hub main body (1), a rear anti-theft disc (4) is arranged at the rear end of the hub fixing seat (2), the rear anti-theft disc (4) comprises an anti-theft ring (21), a first circular through hole (24), an arc-shaped connecting hole (25) and a second circular through hole (26) are formed in the front end face of the anti-theft ring (21), the first circular through hole (24), the arc-shaped connecting hole (25) and the second circular through hole (26) are communicated, the diameter of the second circular through hole (26) is larger than that of the arc-shaped connecting hole (25) and the first circular through hole (24), the diameters of the arc-shaped connecting hole (25) and the first circular through hole (24) are equal, the hub fixing seat (2) and the rear anti-theft disc (4) are fixedly connected through a second anti-theft bolt (10), and the, The polishing rod (28), the circular outward protruding portion (29) and the third screw (30) are integrally formed, the bolt head (27), the polishing rod (28), the circular outward protruding portion (29) and the third screw (30) are located on one side of the polishing rod (28), the circular outward protruding portion (29) is located on one side of the polishing rod (28), the third screw (30) is located on one side of the circular outward protruding portion (29), the polishing rod (28) and the third screw (30) are identical in diameter, the diameter of the third screw (30) is identical to the diameter of the arc-shaped connecting hole (25) and the diameter of the second circular through hole (26), the diameter of the circular outward protruding portion (29) is larger than the diameter of the arc-shaped connecting hole (25) and the diameter of the first circular through hole (24), and the diameter of the circular outward protruding portion (29) is smaller than the diameter of the second circular through hole (26).

2. The anti-theft structure for the automobile hub according to claim 1, characterized in that: an installation inclined hole (9) is formed in the position, used for installing the second anti-theft bolt (10), on the hub fixing seat (2), the diameter of the installation inclined hole (9) is larger than that of the circular outer protruding portion (29), and the diameter of the installation inclined hole (9) is smaller than that of the bolt head (27).

3. The anti-theft structure for the automobile hub according to claim 1, characterized in that: the hub main body (1) further comprises spokes (3), the anti-theft ring (21) is fixedly connected with the spokes (3) through first anti-theft bolts (5), and fixing holes (22) are formed in the anti-theft ring (21) at positions used for installing the first anti-theft bolts (5).

4. The anti-theft structure for the automobile hub according to claim 3, characterized in that: the front end of wheel hub fixing base (2) is provided with preceding anti-theft dish (6), spoke (3) and wheel hub fixing base (2) form semiellipse circular slot (11), be provided with solid fixed ring (15) on preceding anti-theft dish (6), the outside of solid fixed ring (15) one side is provided with semiellipse inner baffle (13), the outside of semiellipse inner baffle (13) is provided with outer baffle of arc (14), outer baffle of arc (14) and semiellipse inner baffle (13) integrated into one piece, form dead slot (16) between solid fixed ring (15), outer baffle of arc (14) and semiellipse inner baffle (13).

5. The anti-theft structure for the automobile hub according to claim 4, characterized in that: the middle of arc outer baffle (14) one side is provided with fixed bulge (17), correspond the position with fixed bulge (17) on wheel hub fixing base (2) and be provided with embedded groove (12), the shape and the size of embedded groove (12) coincide with the shape and the size of fixed bulge (17).

6. The anti-theft structure for the automobile hub according to claim 4, characterized in that: the front end of preceding anti-theft dish (6) is provided with middle fixing base (7), middle fixing base (7) comprise outer disc (18), first screw rod (19) and second screw rod (20), outer disc (18), first screw rod (19) and second screw rod (20) integrated into one piece, outer disc (18) are located one side of first screw rod (19), second screw rod (20) are located the opposite side of first screw rod (19), the diameter of first screw rod (19) is greater than the diameter of second screw rod (20), the diameter of first screw rod (19) is the same with the diameter of preceding anti-theft dish (6) centre bore, the diameter of second screw rod (20) is the same with the diameter of wheel hub fixing base (2) centre bore.

7. The anti-theft structure for the automobile hub according to claim 6, characterized in that: the middle of middle fixing base (7), first theftproof bolt (5) and second theftproof bolt (10) terminal surface all is provided with fixed theftproof groove (8), and the medial surface of fixed theftproof groove (8) all sets up to the arc, and fixed theftproof groove (8) are formed by outer semicircle and interior semicircle circular array in turn, and the quantity of outer semicircle and interior semicircle all sets up to the singular.

8. The anti-theft structure for the automobile hub according to claim 1, characterized in that: the middle of the anti-theft ring (21) is provided with a middle fixing part (23), the middle fixing part (23) is fixedly connected with the hub main body (1), and the middle fixing part (23) is rotatably connected with the anti-theft ring (21) through a bearing.

9. The anti-theft structure for automobile hubs according to any one of claims 1 to 8, characterized in that the correct disassembly of the automobile hubs is as follows:

the method comprises the following steps: the middle fixing seat (7) is screwed down by inserting a special dismounting tool into a fixing anti-theft groove (8) of the middle fixing seat (7);

step two: an external thread rod with the same diameter as the central hole of the front anti-theft disk (6) is screwed into the central hole of the front anti-theft disk (6), and then the front anti-theft disk (6) is pulled out through external force;

step three: the special disassembling tool is inserted into the fixed anti-theft groove (8) of the second anti-theft bolt (10), and the second anti-theft bolt (10) is slightly rotated to loosen the second anti-theft bolt (10);

step four: the special disassembling tool is inserted into a fixed anti-theft groove (8) of the first anti-theft bolt (5), and the first anti-theft bolt (5) is screwed off;

step five: and (3) rotating the rear anti-theft disc (4), enabling the third screw (30) to enter the second circular through hole (26) along the arc-shaped connecting hole (25), and continuously screwing the second anti-theft bolt (10) outwards to finish the disassembly.

Technical Field

The invention relates to the field of automobile hub correlation, in particular to an anti-theft structure for an automobile hub.

Background

Hub, english name: the wheel hub in the market can be divided into a steel hub and an alloy hub according to the material. The steel hub has the main advantages of simple manufacturing process, relatively low cost and strong metal fatigue resistance; however, steel hubs are aesthetically unpleasing, are heavy (the same hub steel material is much heavier than the aluminum alloy material), have high inertial resistance, have poor heat dissipation, and are prone to rusting. The alloy hub can exactly solve the problems, has light weight, small inertia resistance, high manufacturing precision, small deformation during high-speed rotation and small inertia resistance, is beneficial to improving the straight-line driving performance of an automobile and reducing the rolling resistance of a tire, thereby reducing the oil consumption; the alloy material has heat conductivity about three times that of steel, good heat dissipation performance and certain effect on the thermal attenuation of a braking system, a tire and the braking system of a vehicle. Alloy hubs of original factory vehicles in the market are mainly made of aluminum alloy, and elements such as chromium and jigging can be selected as basic materials for achieving certain special requirements and improving vision of a plurality of modified hubs. However, alloy hubs are expensive compared to steel hubs, so that steel hubs appear in low-end-grade original trucks, and alloy hubs are standard-grade-standard-grade-.

Because the automobile hub has a certain economic value, for some illegal persons, some components outside the automobile can be stolen and detached to sell to obtain benefits, the automobile hub is generally prevented from being stolen by adopting anti-theft bolts and other modes, but the anti-theft bolts are single in anti-theft mode, and more automobile hub stealing behaviors can be caused due to insufficient anti-theft measures; therefore, the market urgently needs to develop an anti-theft structure for automobile hubs to help people solve the existing problems.

Disclosure of Invention

The invention aims to provide an anti-theft structure for an automobile hub, and aims to solve the problems that the anti-theft measures for preventing theft of the anti-theft bolts adopted by the existing automobile hub in the background technology are single and not effective enough.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-theft structure for an automobile hub comprises a hub main body, wherein a hub fixing seat is arranged on the hub main body, a rear anti-theft disc is arranged at the rear end of the hub fixing seat and comprises an anti-theft ring, a first circular through hole, an arc-shaped connecting hole and a second circular through hole are formed in the front end face of the anti-theft ring, the first circular through hole, the arc-shaped connecting hole and the second circular through hole are communicated, the diameter of the second circular through hole is larger than that of the arc-shaped connecting hole and that of the first circular through hole, the arc-shaped connecting hole and the first circular through hole are equal in diameter, the hub fixing seat and the rear anti-theft disc are fixedly connected through a second anti-theft bolt, the second anti-theft bolt is composed of a bolt head, a smooth round rod, a circular convex portion and a third screw rod, the bolt head, the smooth round rod, the circular convex portion and the third, the circular outer protruding portion is located one side of smooth round rod, and the third screw rod is located one side of circular outer protruding portion, and smooth round rod and third screw rod diameter are the same, and the diameter of third screw rod is the same with the diameter of arc connecting hole and the circular through hole of second, and the diameter of circular outer protruding portion is greater than the diameter of arc connecting hole and first circular through hole, and the diameter of circular outer protruding portion is less than the diameter of the circular through hole of second.

Preferably, the hub fixing seat is provided with a mounting inclined hole at a position for mounting the second anti-theft bolt, the diameter of the mounting inclined hole is larger than that of the circular outer protruding part, and the diameter of the mounting inclined hole is smaller than that of the bolt head.

Preferably, the hub main part still includes the spoke, the theftproof ring passes through first theftproof bolt fixed connection with the spoke, and the position that is used for installing first theftproof bolt on the theftproof ring is provided with the fixed orifices.

Preferably, the front end of wheel hub fixing base is provided with preceding anti-theft dish, spoke and wheel hub fixing base form half oval groove, be provided with solid fixed ring on the preceding anti-theft dish, the outside of solid fixed ring one side is provided with baffle in the half oval, the outside of baffle in the half oval is provided with the outer baffle of arc, baffle integrated into one piece in outer baffle of arc and the half oval, gu form the dead slot between fixed ring, the outer baffle of arc and the half oval interior baffle.

Preferably, the middle of one side of the arc-shaped outer baffle is provided with a fixed protruding part, an embedded groove is arranged on the hub fixing seat corresponding to the fixed protruding part, and the shape and size of the embedded groove are matched with those of the fixed protruding part.

Preferably, the front end of preceding anti-theft dish is provided with middle fixing base, middle fixing base comprises outer disc, first screw rod and second screw rod, and outer disc, first screw rod and second screw rod integrated into one piece, and the outer disc is located one side of first screw rod, and the second screw rod is located the opposite side of first screw rod, and the diameter of first screw rod is greater than the diameter of second screw rod, and the diameter of first screw rod is the same with the diameter of preceding anti-theft dish centre bore, and the diameter of second screw rod is the same with the diameter of wheel hub fixing base centre bore.

Preferably, the middle of middle fixing base, first theftproof bolt and second theftproof bolt terminal surface all is provided with fixed theftproof groove, and the medial surface in fixed theftproof groove all sets up to the arc, and fixed theftproof groove is formed by outer semicircle and interior semicircle circular array in turn, and the quantity of outer semicircle and interior semicircle all sets up to the singular.

Preferably, the middle of the anti-theft ring is provided with a middle fixing part, the middle fixing part is fixedly connected with the hub main body, and the middle fixing part is rotatably connected with the anti-theft ring through a bearing.

Preferably, the step of correctly disassembling the automobile hub is as follows:

the method comprises the following steps: inserting a special disassembling tool into the fixed anti-theft groove of the middle fixed seat, and unscrewing the middle fixed seat;

step two: an external thread rod with the same diameter as the central hole of the front anti-theft disk is screwed into the central hole of the front anti-theft disk, and then the front anti-theft disk is pulled out through external force;

step three: inserting a special disassembling tool into the fixed anti-theft groove of the second anti-theft bolt, and slightly rotating the second anti-theft bolt to loosen the second anti-theft bolt;

step four: inserting the first anti-theft bolt into the fixed anti-theft groove of the first anti-theft bolt through a special disassembling tool, and screwing off the first anti-theft bolt;

step five: and rotating the rear anti-theft disc to enable the third screw rod to enter the second round through hole along the arc-shaped connecting hole, and continuously screwing the second anti-theft bolt outwards to finish the disassembly.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, when an illegal person does not know the anti-theft structure of the hub, the visible first anti-theft bolt and the visible middle fixing seat are firstly disassembled, but fixed anti-theft grooves are respectively arranged on the first anti-theft bolt and the middle fixing seat, the fixed anti-theft grooves are formed by inner semicircles and outer semicircles in an alternating mode, the inner semicircles and the outer semicircles are respectively arranged in a singular mode, namely, the diagonal positions are that the inner semicircles correspond to the outer semicircles, a common screwdriver cannot be disassembled, the inner parts of the fixed anti-theft grooves are all arc-shaped, the flat screwdriver for the automobile can slip when rotating, a special disassembling tool is required for disassembling, and therefore, the first-step anti-theft is carried out;

2. in the invention, even if an illegal person detaches the first anti-theft bolt and the middle fixed seat, the illegal person can see the front anti-theft disk immediately, because the front anti-theft disk is tightly clamped in a semi-elliptical groove formed by the spoke and the hub fixed seat, an external threaded rod with special size is required to be screwed into the front anti-theft disk, and the front anti-theft disk is pulled out by external force;

3. in the invention, a rear anti-theft disk is added at the rear end of a traditional hub fixing seat, the rear anti-theft disk is fixedly connected with spokes of a hub main body through first anti-theft screws, and the rear end of the rear anti-theft disk is rotatably connected with the hub main body through a bearing; when the rear anti-theft disk is installed, the rear anti-theft disk is rotated firstly, so that the position of the second circular through hole corresponds to the position of an installation inclined hole on the hub fixing seat, the second anti-theft bolt is inserted, the circular outer protruding part passes through the position of the second circular through hole and is in threaded fixation with the automobile hub main body through the third screw rod, the rear anti-theft disk is rotated before locking, so that the third screw rod enters the position of the first circular through hole along the arc-shaped connecting hole, then the second anti-theft bolt is locked, the rear anti-theft disk is fixed through the first anti-theft bolt, when the rear anti-theft disk is disassembled, the second anti-theft bolt cannot be rotated normally due to the blocking of the anti-theft ring on the circular outer protruding part when the second anti-theft bolt is rotated to a certain degree, but the second anti-theft bolt is slightly rotated, so that the second anti-theft bolt is slightly loosened, the first anti-theft bolt is unscrewed, the second anti-theft bolt can be screwed outwards continuously to finish the disassembly work; the third step of anti-theft work is completed through the linkage effect of the rear anti-theft disc and the second anti-theft bolt, and the second anti-theft bolt is also provided with a fixed anti-theft groove which needs to be disassembled by a special tool, so that the special disassembling principle and the special tool need to be understood, and the most important anti-theft ring is formed;

4. according to the automobile hub anti-theft device, multiple anti-theft measures are arranged for anti-theft, the anti-theft measures are taken through linkage, the anti-theft measures can be detached only through special tools, multiple anti-theft measures are used in combination, and the problems that the anti-theft measures for anti-theft through anti-theft bolts adopted by the existing automobile hub are single and not effective are solved.

Drawings

FIG. 1 is a front view of an anti-theft structure for an automobile hub according to the present invention;

FIG. 2 is a front view of the anti-theft structure for an automobile hub of the present invention with the front anti-theft disk and the intermediate fixing seat removed;

FIG. 3 is a schematic structural view of a front anti-theft disk of the present invention;

FIG. 4 is a schematic structural view of the intermediate fixing base of the present invention;

FIG. 5 is a front view of the rear anti-theft disk of the present invention;

fig. 6 is a schematic structural view of a second anti-theft bolt according to the present invention.

In the figure: 1. a hub body; 2. a hub fixing seat; 3. spokes; 4. a rear anti-theft disk; 5. a first anti-theft bolt; 6. a front anti-theft disk; 7. a middle fixed seat; 8. fixing the anti-theft slot; 9. installing an inclined hole; 10. a second anti-theft bolt; 11. a semi-elliptical trough; 12. a groove is embedded; 13. a semi-elliptical inner baffle; 14. an arc-shaped outer baffle; 15. a fixing ring; 16. an empty groove; 17. a fixing projection; 18. an outer disc; 19. a first screw; 20. a second screw; 21. an anti-theft ring; 22. a fixing hole; 23. an intermediate fixing portion; 24. a first circular through hole; 25. an arc-shaped connecting hole; 26. a second circular through hole; 27. a bolt head; 28. a smooth round bar; 29. a circular outer protrusion; 30. and a third screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: an anti-theft structure for an automobile hub comprises a hub main body 1, wherein a hub fixing seat 2 is arranged on the hub main body 1, a rear anti-theft disc 4 is arranged at the rear end of the hub fixing seat 2, the rear anti-theft disc 4 comprises an anti-theft ring 21, a first circular through hole 24, an arc-shaped connecting hole 25 and a second circular through hole 26 are arranged on the front end face of the anti-theft ring 21, the first circular through hole 24, the arc-shaped connecting hole 25 and the second circular through hole 26 are communicated, the diameter of the second circular through hole 26 is larger than that of the arc-shaped connecting hole 25 and the first circular through hole 24, the diameters of the arc-shaped connecting hole 25 and the first circular through hole 24 are equal, the hub fixing seat 2 and the rear anti-theft disc 4 are fixedly connected through a second anti-theft bolt 10, the second anti-theft bolt 10 is composed of a bolt head 27, a light circular rod 28, a circular outer protruding portion 29 and a third screw rod 30, the bolt head 27 is located on one side of the smooth round rod 28, the round outer protruding part 29 is located on one side of the smooth round rod 28, the third screw rod 30 is located on one side of the round outer protruding part 29, the diameters of the smooth round rod 28 and the third screw rod 30 are the same, the diameter of the third screw rod 30 is the same as the diameters of the arc-shaped connecting hole 25 and the second round through hole 26, and therefore the clamping relation is achieved, the anti-theft disc 4 needs to have external force after rotating, the diameter of the round outer protruding part 29 is larger than the diameters of the arc-shaped connecting hole 25 and the first round through hole 24, the diameter of the round outer protruding part 29 is smaller than the diameter of the second round through hole 26, the round outer protruding part 29 plays a limiting role for the second anti-theft bolt 10, when the rear anti-theft disc 4 does not rotate, two sides of the arc-theft disc 4 abut against the round outer protruding part 29, and the round outer protruding part.

Further, an installation inclined hole 9 is formed in the position, used for installing the second anti-theft bolt 10, on the hub fixing seat 2, the diameter of the installation inclined hole 9 is larger than that of the circular outer protruding portion 29, the circular outer protruding portion 29 can be fixed normally, and the diameter of the installation inclined hole 9 is smaller than that of the bolt head 27, so that the effect of pressing and fixing is achieved.

Further, the hub main body 1 further comprises a spoke 3, the anti-theft ring 21 is fixedly connected with the spoke 3 through a first anti-theft bolt 5, and a fixing hole 22 is formed in the position, used for mounting the first anti-theft bolt 5, on the anti-theft ring 21.

Further, wheel hub fixing base 2's front end is provided with preceding anti-theft dish 6, spoke 3 and wheel hub fixing base 2 form semiellipse circular slot 11, be provided with solid fixed ring 15 on the preceding anti-theft dish 6, the outside of solid fixed ring 15 one side is provided with semiellipse inner baffle 13, semiellipse inner baffle 13 coincide with semiellipse circular slot 11, just block in semiellipse circular slot 11, the outside of semiellipse inner baffle 13 is provided with arc outer baffle 14, arc outer baffle 14 and semiellipse inner baffle 13 integrated into one piece, gu fixed ring 15, form dead slot 16 between arc outer baffle 14 and the semiellipse inner baffle 13, preceding anti-theft dish 6 covers at wheel hub fixing base 2 front end under the normal condition, gu fixed ring 15 and arc outer baffle 14 shelter from second anti-theft bolt 10, preceding anti-theft dish 6 is installed when, gu fixed ring 15 and the setting of arc outer baffle 14 make second anti-theft bolt 10 invisible.

Further, the middle of one side of the arc-shaped outer baffle plate 14 is provided with a fixed protruding part 17, an embedded groove 12 is arranged on the hub fixing seat 2 corresponding to the fixed protruding part 17, the shape and size of the embedded groove 12 are matched with those of the fixed protruding part 17, and the installation stability of the front anti-theft disk 6 is further improved through the embedding relation between the fixed protruding part 17 and the embedded groove 12.

Further, the front end of the front anti-theft disk 6 is provided with an intermediate fixed seat 7, the intermediate fixed seat 7 is composed of an outer disk 18, a first screw rod 19 and a second screw rod 20, the outer disk 18, the first screw rod 19 and the second screw rod 20 are integrally formed, the outer disk 18 is located on one side of the first screw rod 19, the second screw rod 20 is located on the other side of the first screw rod 19, the diameter of the first screw rod 19 is larger than that of the second screw rod 20, the diameter of the first screw rod 19 is the same as that of a central hole of the front anti-theft disk 6, and the diameter of the second screw rod 20 is the same as that of a central hole of the hub fixed seat 2.

Further, middle fixing base 7, the centre of first theftproof bolt 5 and second theftproof bolt 10 terminal surfaces all is provided with fixed theftproof groove 8, the medial surface of fixed theftproof groove 8 all sets up to the arc, the condition of skidding can appear when the flat screwdriver rotates for the car, fixed theftproof groove 8 is formed by outer semicircle and interior semicircle circular array in turn, outer semicircle and interior semicircle quantity all set up to the singular, it corresponds to interior semicircle and outer semicircle to represent the diagonal position promptly, ordinary screwdriver does not have the way to dismantle, need have special extracting tool to dismantle, carry out first theftproof with this.

Further, the middle of the anti-theft ring 21 is provided with a middle fixing part 23, the middle fixing part 23 is fixedly connected with the hub body 1, and the middle fixing part 23 is rotatably connected with the anti-theft ring 21 through a bearing, so that the anti-theft ring 21 is required to be rotatable due to the fact that the anti-theft measure of the anti-theft device comprises a step of rotating the anti-theft ring 21, but the anti-theft device is fixed by the first anti-theft bolt 5 under normal conditions, so that the anti-theft device can be rotated only after the first anti-theft bolt 5.

Further, the automobile hub is correctly disassembled in the following steps:

the method comprises the following steps: the middle fixing seat 7 is screwed down by inserting a special dismounting tool into the fixed anti-theft slot 8 of the middle fixing seat 7;

step two: an external thread rod with the same diameter as the central hole of the front anti-theft disk 6 is screwed into the central hole of the front anti-theft disk 6, and then the front anti-theft disk 6 is pulled out through external force;

step three: the special disassembling tool is inserted into the fixed anti-theft slot 8 of the second anti-theft bolt 10, and the second anti-theft bolt 10 is slightly rotated to loosen the second anti-theft bolt 10;

step four: the first anti-theft bolt 5 is screwed down by inserting a special disassembling tool into the fixed anti-theft slot 8 of the first anti-theft bolt 5;

step five: and rotating the rear anti-theft disc 4 to enable the third screw 30 to enter the second circular through hole 26 along the arc-shaped connecting hole 25, and continuously screwing the second anti-theft bolt 10 outwards to finish the disassembly.

The working principle is as follows: during installation, the rear anti-theft disk 4 is rotated firstly, so that the position of the second circular through hole 26 corresponds to the position of the inclined mounting hole 9 on the hub fixing seat 2, the second anti-theft bolt 10 is inserted, the circular outer protruding part 29 passes through the position of the second circular through hole 26 and is in threaded fixation with the automobile hub main body 1 through the third screw 30, the rear anti-theft disk 4 is rotated before locking, so that the third screw 30 enters the position of the first circular through hole 24 along the arc-shaped connecting hole 25, the second anti-theft bolt 10 is locked, and the rear anti-theft disk is fixed through the first anti-theft bolt 5; mounting the front anti-theft disk 6 at the back, aligning the semi-elliptical inner baffle 13 of the front anti-theft disk 6 with the semi-elliptical groove 11 formed by the spoke 3 and the hub fixing seat 2, pressing the front anti-theft disk 6 in, and embedding the fixing bulge 17 into the embedded groove 12 to complete the mounting of the front anti-theft disk 6; and finally, the middle fixing seat 7 is installed, so that the first screw 19 of the middle fixing seat 7 is fixed with the front anti-theft disk 6, and the second screw 20 is fixed with the hub fixing seat 2, and all installation work is completed. During disassembly, the middle fixing seat 7 is firstly unscrewed through a special disassembling tool, then an external threaded rod with special size is screwed into a hole in the center of the front anti-theft disk 6, the anti-theft disk is pulled out through external force, finally the second anti-theft bolt is slightly rotated, the first anti-theft bolt 5 is unscrewed after the second anti-theft bolt 10 is slightly loosened, the rear anti-theft disk 4 is rotated, the third screw 30 enters the position of the second circular through hole 26 along the arc-shaped connecting hole 25, and the second anti-theft bolt 10 is continuously screwed outwards to finish the disassembly work.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.