CN-224229052-U - High-strength bolt for steel mesh frame bolt ball node

Abstract

The utility model discloses a high-strength bolt for a steel mesh frame bolt ball joint, which relates to the technical field of steel mesh frame bolts and comprises a bolt head, a cylindrical part, a screw rod part, a protection structure, a reinforcing structure, a supporting ring, a supporting spring, a protection sleeve, a sealing rubber ring and a covering rubber sleeve, wherein the protection structure and the reinforcing structure are sequentially connected, the protection structure comprises the supporting ring, the supporting spring, the protection sleeve, the sealing rubber ring and the covering rubber sleeve, the supporting ring is fixedly sleeved on the outer peripheral surface of the cylindrical part, the reinforcing structure comprises a reinforcing strip, a rectangular groove is formed in the edge of the bolt head, which is close to the cylindrical part, of the bolt head, the covering rubber sleeve is pushed by the supporting spring to compress to help the covering rubber sleeve to tightly prop against a bolt ball, the joint of the screw rod part and the bolt ball is sealed to prevent external rainwater from entering, the sealing rubber ring fixedly arranged on the inner wall of the protection sleeve is tightly attached to the outer peripheral surface of the cylindrical part, and the protection part prevents the rainwater from loosening due to corrosion.

Inventors

• SUN BO
• SUN YUANYUAN
• WANG QING
• CHEN GANG
• SUN MINGYU

Assignees

• 徐州市汇力高强标准件有限公司

Dates

Publication Date

20260512

Application Date

20250527

Claims (6)

1. 1. The high-strength bolt for the steel mesh frame bolt ball joint comprises a bolt head (1), a cylindrical part (2) and a screw part (3) which are sequentially connected, and is characterized by further comprising a protection structure (4) and a reinforcing structure (5) which are arranged on the cylindrical part (2); The protection structure (4) comprises a supporting circular ring (401), a supporting spring (402), a protection sleeve (403), a sealing rubber ring (404) and a covering rubber sleeve (405), wherein the supporting circular ring (401) is fixedly sleeved on the outer peripheral surface of the cylindrical part (2), the supporting spring (402) is fixedly arranged on the side surface of the supporting circular ring (401), the protection sleeve (403) is fixedly arranged on the end surface of the supporting spring (402) and surrounds the outer peripheral surface of the cylindrical part (2), the sealing rubber ring (404) is fixedly arranged on the inner wall of one end, close to the supporting circular ring (401), of the protection sleeve (403), and the covering rubber sleeve (405) is in a hollow circular table shape and is fixedly arranged at the other end of the protection sleeve (403); The reinforced structure (5) comprises a reinforced strip (503), a rectangular groove (501) is formed in the edge of one end of the bolt head (1) close to the cylindrical part (2), a rectangular inserting groove (502) parallel to the rectangular groove (501) is formed in the outer peripheral surface of the end of the cylindrical part (2), one end of the reinforced strip (503) is inserted into and welded to the rectangular groove (501), the other end of the reinforced strip (503) is inserted into and welded to the rectangular inserting groove (502), and the reinforced strip (503) is in an L-shaped shape.
2. 2. The high-strength bolt for a steel mesh frame bolt ball joint according to claim 1, wherein the supporting springs (402) are four in number and distributed in an equidistant circumferential array on the side surface of the supporting circular ring (401).
3. 3. The high-strength bolt for the steel mesh frame bolt ball joint according to claim 1, wherein the bolt head (1), the cylindrical part (2), the screw part (3), the supporting circular ring (401), the protective sleeve (403), the sealing rubber ring (404) and the covering rubber sleeve (405) are all positioned on the same transverse central shaft.
4. 4. The high-strength bolt for the steel mesh frame bolt ball joint according to claim 1, wherein a plurality of rectangular grooves (501) are arranged at the end part of the bolt head (1) in a mode of equidistant circumferential array, and the reinforcing strips (503) and the rectangular inserting grooves (502) are arranged in a one-to-one correspondence with the rectangular grooves (501).
5. 5. A high strength bolt for a steel mesh frame bolt ball joint according to claim 1, wherein said support spring (402) and said cylindrical portion (2) are disposed parallel to each other.
6. 6. The high-strength bolt for the steel mesh frame bolt ball joint is characterized in that a stirring groove (6) in a regular hexagon shape is formed in the center of the end face of the bolt head (1) far away from the cylindrical part (2).

Description

High-strength bolt for steel mesh frame bolt ball node Technical Field The utility model relates to the technical field of steel mesh frame bolts, in particular to a high-strength bolt for a steel mesh frame bolt ball joint. Background At present, each member bar has one end only provided with one high-strength bolt connected with the bolt ball node, most of the bolt balls are used for a grid structure, the strength of the high-strength bolts for the existing part of steel grid bolt ball nodes is insufficient, and screw columns are easy to twist and break during installation, so that the use of the device is affected, and the problem that the installation of the high-strength bolts for the existing steel grid bolt ball nodes is inconvenient is solved, so that the problem is not solved, and the high-strength bolts for the steel grid bolt ball nodes are provided. The utility model discloses (bulletin) number is CN217734370U, discloses a high strength bolt for steel mesh frame bolt ball node, relates to the steel mesh frame field, and the intensity of high strength bolt for current partial steel mesh frame bolt ball node is insufficient, and the screw thread post takes place the distortion fracture easily when the installation to influence the use of device, and current high strength bolt for steel mesh frame bolt ball node has the inconvenient problem of installation, proposes following scheme, and it includes the installation base, the top of installation base is provided with the screw thread post, the surface of screw thread post is provided with the lag, the mounting groove has been seted up to the lower surface of installation base, the locating hole has been seted up to the inside bottom of mounting groove. The device can avoid the screw thread post to install the in-process because of torsion too big and the fracture risk that produces, has promoted the intensity of device itself simultaneously through many dead levers and the stiffener that set up, and can provide the protection to the screw thread post to increase the intensity of screw thread post, make the installation of device more convenient simultaneously. Although the scheme can provide protection for the threaded column and increase the strength of the threaded column, the contact surface of the reinforcing part is small, so that the reinforcing effect is general, and the protecting part is difficult to block rainwater, so that the bolt is easy to loosen due to corrosion. Disclosure of utility model The utility model mainly aims to provide a high-strength bolt for a steel mesh frame bolt ball node, which solves the problems that the reinforcing effect is general due to the fact that the contact surface of a reinforcing part is small, and the bolt is easy to loosen due to corrosion due to the fact that the protective part is difficult to block rainwater through the arranged protective structure and reinforcing structure. In order to solve the technical problems, the utility model is realized by the following technical scheme that the high-strength bolt for the steel mesh frame bolt ball node comprises a bolt head, a cylindrical part, a screw part, a protection structure and a reinforcing structure, wherein the bolt head, the cylindrical part and the screw part are sequentially connected; The protection structure comprises a supporting circular ring, a supporting spring, a protection sleeve, a sealing rubber ring and a covering rubber sleeve, wherein the supporting circular ring is fixedly sleeved on the outer peripheral surface of the cylindrical part, the supporting spring is fixedly arranged on the side surface of the supporting circular ring, the protection sleeve is fixedly arranged on the end surface of the supporting spring and surrounds the outer peripheral surface of the cylindrical part, the sealing rubber ring is fixedly arranged on the inner wall of one end, close to the supporting circular ring, of the protection sleeve, and the covering rubber sleeve is hollow in a round table shape and is fixedly arranged at the other end of the protection sleeve; The reinforcing structure comprises a reinforcing strip, a rectangular groove is formed in the edge of one end of the bolt head, close to the cylindrical part, of the end portion of the cylindrical part, a rectangular inserting groove parallel to the rectangular groove is formed in the outer peripheral surface of the end portion of the cylindrical part, one end of the reinforcing strip is inserted into and welded in the rectangular groove, the other end of the reinforcing strip is inserted into and welded in the rectangular inserting groove, and the reinforcing strip is in an L-shaped shape. Preferably, the four supporting springs are arranged in total and distributed in an equidistant circumferential array on the side surface of the supporting circular ring. Preferably, the bolt head, the cylindrical part, the screw part, the supporting ring, the protective sleeve, the sealing rubber r