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CN-224214555-U - Rust-proof automobile hub bolt

CN224214555UCN 224214555 UCN224214555 UCN 224214555UCN-224214555-U

Abstract

The utility model discloses an anti-rust automobile hub bolt, which relates to the technical field of automobile hub bolts and comprises a rim, wherein spokes which are radially distributed are fixedly connected to the inner side of the rim, a mounting block is fixedly connected to one end, away from the rim, of each spoke, a fixing cover is mounted on each mounting block, a mounting groove with an annular structure is arranged in the middle of each fixing cover, anode metal is embedded in each mounting groove, a sealing cover is mounted on the outer side of each mounting groove, and the sealing cover and each mounting groove are buckled and matched to form a sealing structure. According to the rust-proof automobile hub bolt, a closed-loop circuit is formed by high-activity anode metal through a lead, an elastic electrode and a contact electrode and the hub bolt, the anode metal is corroded preferentially, the bolt is used as a cathode to avoid corrosion, the spring pushes the contact electrode to always press the end face of the bolt, the elastic electrode is flexibly attached to the anode metal, and the anode metal is still kept stable and conductive even under vibration or thermal deformation, so that protection failure is avoided.

Inventors

  • JI CHUNHONG

Assignees

  • 常州市隽天汽车配件有限公司

Dates

Publication Date
20260508
Application Date
20251124

Claims (7)

  1. 1. The rust-proof automobile hub bolt comprises a hub bolt (6) and a rim (1) arranged on the outer side of the hub bolt (6), wherein spokes (2) which are radially distributed are fixedly connected on the inner side of the rim (1), and a mounting block (3) is fixedly connected at one end, far away from the rim (1), of each spoke (2); The novel solar cell is characterized in that the mounting block (3) is provided with a fixed cover (9), a mounting groove (11) with an annular structure is arranged in the middle of the fixed cover (9), anode metal (12) is embedded in the mounting groove (11), a sealing cover (13) is arranged on the outer side of the mounting groove (11), and the sealing cover (13) and the mounting groove (11) are in buckling fit to form a sealing structure.
  2. 2. The antirust automobile hub bolt according to claim 1, wherein annular equidistant mounting holes (4) are formed in the mounting block (3), sealing grooves (5) of annular structures are formed in the mounting holes (4), and hub bolts (6) are mounted in the mounting holes (4).
  3. 3. The anti-rust automobile hub bolt according to claim 2, wherein a gasket (7) is sleeved outside the hub bolt (6), a sealing ring (8) with an annular structure is arranged on one side of the gasket (7), and the sealing ring (8) is installed in a sealing groove (5) inside the installation hole (4).
  4. 4. The anti-rust automobile hub bolt according to claim 1, wherein positioning sleeves (10) distributed at equal intervals are fixedly connected to the outer side of the fixed cover (9), each positioning sleeve (10) is slidably connected to the inside of the mounting hole (4), a fixed bolt (14) is mounted in the middle of the fixed cover (9), and the fixed bolt (14) penetrates through the sealing cover (13) and the fixed cover (9) and then is connected to the center of the mounting block (3) through threads.
  5. 5. The anti-rust automobile hub bolt according to claim 4, wherein a contact electrode (15) is connected inside the positioning sleeve (10) in a sliding mode, the end portion of the contact electrode (15) is attached to the end portion of the hub bolt (6), and a spring (16) is fixedly connected between one end, away from the hub bolt (6), of the contact electrode (15) and the inside of the positioning sleeve (10).
  6. 6. The anti-rust automobile hub bolt according to claim 5, wherein a wire (17) is fixedly connected inside the fixed cover (9), one end of the wire (17) is electrically connected with the contact electrode (15), and one end of the wire (17) away from the contact electrode (15) is fixedly connected with an elastic electrode (18).
  7. 7. The antirust automobile hub bolt according to claim 6, wherein the elastic electrode (18) extends into the mounting groove (11) and is placed in contact with the anode metal (12), the anode metal (12) is electrically connected with the hub bolt (6) through a passage formed by the elastic electrode (18), the lead wire (17) and the contact electrode (15), and the electrochemical activity of the anode metal (12) is higher than that of the hub bolt (6).

Description

Rust-proof automobile hub bolt Technical Field The utility model relates to the technical field of automobile hub bolts, in particular to an anti-rust automobile hub bolt. Background The automobile hub bolts are fasteners for connecting the wheels with the axle heads or the brake drums and the brake discs of the automobile, and are responsible for firmly fixing the wheels on the automobile, so that the running safety is ensured, and the automobile hub bolts are easy to rust when used for a long time. In order to overcome the defects, the Chinese patent publication No. CN207212894U discloses an anti-corrosion and rust-proof hub bolt which comprises a hub bolt body, wherein one end of the hub bolt body is provided with a bolt head, the other end of the hub bolt body is provided with a bolt tail, the surface of the bolt head is provided with a hub bolt stainless steel cap, the bolt head and the hub bolt stainless steel cap are riveted through a punching press bed, the lower edge of the bolt head is provided with a stainless steel pressing buckle, one end of the bolt tail, which is far away from the bolt head, is internally provided with a zinc block mounting hole, after the head of the hub bolt is riveted with a layer of stainless steel in a punching manner, the anti-corrosion and rust-proof effect is achieved, the whole hub bolt is manufactured through cold forging, the manufacturing process is the same as that of the traditional process, so the stress condition of the bolt is the same, but the head is riveted with a layer of rust-proof stainless steel, a small hole is formed in the bolt tail, a zinc block is screwed into the small hole, and the zinc block is utilized to react with cast iron to protect the bolt from being corroded. Although the prior art can overcome the defects, other problems exist in the operation process of the prior art, namely, the hub bolts are exposed in corrosive environments such as rainwater, salt fog, snow melting agent and the like, rust corrosion is easy to occur, disassembly is difficult and even the prior art is broken, the common gasket or sealing structure is easy to seal poorly due to vibration and aging, and moisture infiltration accelerates the corrosion of the bolts. Disclosure of utility model The utility model aims to provide an anti-rust automobile hub bolt, which solves the problems that in the prior art, the hub bolt is exposed to corrosive environments such as rainwater, salt fog, snow melt agent and the like, is easy to rust and corrode, and is difficult to detach and even breaks. In order to achieve the aim, the utility model provides the technical scheme that the anti-rust automobile hub bolt comprises a rim, wherein spokes which are radially distributed are fixedly connected to the inner side of the rim, and a mounting block is fixedly connected to one end of each spoke, which is far away from the rim; The mounting block is provided with a fixed cover, a mounting groove with an annular structure is arranged in the middle of the fixed cover, anode metal is embedded in the mounting groove, a sealing cover is arranged on the outer side of the mounting groove, and the sealing cover and the mounting groove are buckled and matched to form a sealing structure. Preferably, the inside mounting hole that is equipped with annular equidistance and distributes of installation piece, the inside seal groove that is equipped with annular structure of mounting hole, every the wheel hub bolt is all installed to the inside hub bolt of all installing the hole. Preferably, a gasket is sleeved outside the hub bolt, one side of the gasket is provided with a sealing ring with an annular structure, and the sealing ring is arranged in a sealing groove in the mounting hole. Preferably, the fixed cover outside fixedly connected with annular equidistance distribution's spacer bush, and every spacer bush all sliding connection is inside the mounting hole, install fixing bolt in the middle of the fixed cover, and screw thread connection is in the installation piece center behind fixing bolt runs through sealed lid and the fixed cover. Preferably, the inside sliding connection of spacer sleeve has the contact electrode, the tip of contact electrode and hub bolt tip laminating each other, and the contact electrode keeps away from the one end of hub bolt and the inside fixedly connected with spring of spacer sleeve. Preferably, a wire is fixedly connected inside the fixed cover, one end of the wire is electrically connected with the contact electrode, and one end of the wire, which is far away from the contact electrode, is fixedly connected with the elastic electrode. Preferably, the elastic electrode extends into and is arranged in the mounting groove, the elastic electrode is in contact with the anode metal, the anode metal is electrically connected with the hub bolt through a passage formed by the elastic electrode, the lead and the contact electrode, and the electrochemical activity of the