CN215409722U

CN215409722U - High-strength bolt for steel structure frame joint

Info

Publication number: CN215409722U
Application number: CN202121488323.1U
Authority: CN
Inventors: 甘建国
Original assignee: Zhejiang Chaobol Hardware Co ltd
Current assignee: Zhejiang Chaobol Hardware Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-04
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a high-strength bolt for a steel structure frame node, which comprises a screw head, a screw rod, mounting sleeves, an anti-abrasion mechanism, sliding grooves, sliding blocks, nuts, anti-skidding blocks, clamping blocks, a first anti-skidding mechanism and a second anti-skidding mechanism, wherein the bottom of the screw head is fixedly connected with the screw rod, two mounting sleeves are sleeved outside the screw rod, the anti-abrasion mechanism is sleeved between the two mounting sleeves outside the screw rod, a plurality of sliding grooves distributed along the length direction of the screw rod are uniformly formed in the outer side part of the screw rod, the length of each sliding groove is the same as that of the screw rod, a plurality of sliding blocks matched with the sliding grooves are fixedly arranged on the inner side wall of each mounting sleeve, the sliding blocks can be slidably mounted in the sliding grooves, the nuts are connected on the screw rod in a threaded manner, compared with the prior art, the wear of the threads of the bolt can be effectively prevented, the service life of the bolt is prolonged, effectively prevent that the bolt is not hard up, promoted the security of bolt, simple structure, convenient to use, facilitate promotion and application.

Description

High-strength bolt for steel structure frame joint

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of fasteners, in particular to a high-strength bolt for a steel structure frame node.

[ background of the utility model ]

The high-strength bolt is suitable for a steel structure frame structure beam, column connection, solid web beam connection, heavy crane beam connection of an industrial factory building, a brake system and connection of an important structure bearing dynamic load, because steel structure frame node connection needs to bear larger gravity, the traditional bolt stress point is mostly in the threaded connection position, the connection position is weak in stress and easy to wear threads, the problem of connection looseness and fracture is caused, and the fastened bolt head slightly has a gap with the steel structure connection position to slide to cause abrasion, influence is caused to the stability of the steel structure frame, innovation is needed to be carried out on the existing basis, and the high-strength bolt for the steel structure frame node is provided.

[ Utility model ] content

The utility model aims to solve the problems in the prior art and provides a high-strength bolt for a steel structure frame node.

In order to achieve the purpose, the utility model provides a high-strength bolt for a steel structure frame node, which comprises a screw head, a screw rod, mounting sleeves, an anti-abrasion mechanism, a sliding groove, a sliding block, a nut, an anti-skidding block, a clamping block, a first anti-skidding mechanism and a second anti-skidding mechanism, wherein the bottom of the screw head is fixedly connected with the screw rod, the outer side of the screw rod is sleeved with two mounting sleeves, the anti-abrasion mechanism is sleeved between the two mounting sleeves at the outer side of the screw rod, a plurality of sliding grooves distributed along the length direction of the screw rod are uniformly formed in the outer side part of the screw rod, the length of each sliding groove is the same as that of the screw rod, a plurality of sliding blocks matched with the sliding grooves are fixedly arranged on the inner side wall of each mounting sleeve, the sliding blocks can be slidably mounted in the sliding grooves, the screw rod is in threaded connection with the nut, the nut is positioned below the two mounting sleeves, the anti-skidding block is sleeved at the outer side of the nut, the anti-skidding nut is characterized in that a plurality of clamping blocks matched with the sliding grooves are fixedly arranged on the inner side wall of each anti-skidding block, the clamping blocks are slidably mounted in the sliding grooves, a plurality of first anti-skidding mechanisms distributed in an annular mode are integrally formed at the bottom of the nut, a plurality of second anti-skidding mechanisms distributed in an annular mode are integrally formed at the upper portion of each anti-skidding block, and the first anti-skidding mechanisms and the second anti-skidding mechanisms are meshed in a one-to-one corresponding mode.

Preferably, the mounting sleeve is of annular configuration.

As preferred, abrasionproof mechanism includes abrasionproof cover, installing port, extension piece, spacing groove and stopper, the one end of abrasionproof cover and the tip fixed connection of one of them installation cover, a plurality of installing ports that distribute along the axis direction of abrasionproof cover are evenly seted up to the other end of abrasionproof cover, every all insert in the installing port and be equipped with the extension piece, the outer end of extension piece and the tip fixed connection of another installation cover, every the spacing groove that the length direction of following the installing port distributes is all seted up to the both sides wall of installing port, every the both sides portion of extension piece all fixes and is equipped with the stopper, but stopper slidable card is established at the spacing inslot.

Preferably, the cross section of the anti-abrasion sleeve is circular, and the diameter of the anti-abrasion sleeve is the same as that of the installation sleeve.

Preferably, a magnet block is embedded in one end, facing the nut, of the anti-slip block.

Preferably, the first anti-skid mechanism and the second anti-skid mechanism are both right-angled wedge-shaped teeth.

Preferably, the inner wall of the wear-resistant sleeve is fixedly provided with a plurality of bearing blocks which are uniformly distributed, the number of the bearing blocks is the same as that of the sliding grooves, the positions of the bearing blocks correspond to those of the sliding grooves one by one, and the bearing blocks are slidably clamped in the sliding grooves.

The utility model has the beneficial effects that: according to the anti-loosening screw bolt, the two mounting sleeves are sleeved on the outer side of the screw bolt, the anti-wear mechanism is sleeved between the two mounting sleeves on the outer side of the screw bolt, the anti-wear mechanism can prevent a connected object from directly contacting with threads of the screw bolt, the threads of the screw bolt are effectively prevented from being worn, the service life of the screw bolt is prolonged, in addition, the extending block can slide along the length direction of the mounting opening, the axial length of the anti-wear sleeve can be adjusted, the anti-loosening screw bolt can adapt to steel frames with different thicknesses, the first anti-slip mechanism is arranged at the bottom of the nut, the second anti-slip mechanism is arranged at the upper part of the anti-slip block, the first anti-slip mechanism and the second anti-slip mechanism are correspondingly meshed one by one to one, and the clamping blocks on the anti-slip block are clamped in the sliding grooves, so that the anti-slip block cannot freely rotate, the nut cannot freely rotate, and the bolt can be effectively prevented from being loosened due to vibration. Compared with the prior art, can effectively prevent that the screw thread of bolt from receiving wearing and tearing, prolong the life of bolt, prevent effectively that the bolt is not hard up, promote the security of bolt, simple structure, convenient to use, facilitate promotion is used.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a structural sectional view of a high-strength bolt for a steel structural frame node according to the present invention.

Fig. 2 is a schematic structural diagram of an anti-wear mechanism of a high-strength bolt for a steel structural frame joint according to the present invention.

In the figure: 1-screw head, 2-screw rod, 3-mounting sleeve, 4-anti-wear mechanism, 41-anti-wear sleeve, 411-bearing block, 42-mounting opening, 43-extending block, 44-limiting groove, 45-limiting block, 5-sliding groove, 6-sliding block, 7-nut, 8-anti-slip block, 9-clamping block, 10-first anti-slip mechanism, 11-second anti-slip mechanism and 12-magnet block.

[ detailed description ] embodiments

Referring to fig. 1 and 2, the high-strength bolt for a steel structure frame node of the utility model comprises a screw head 1, a screw rod 2, mounting sleeves 3, an anti-abrasion mechanism 4, sliding grooves 5, sliding blocks 6, nuts 7, anti-skidding blocks 8, clamping blocks 9, a first anti-skidding mechanism 10 and a second anti-skidding mechanism 11, wherein the screw rod 2 is fixedly connected to the bottom of the screw head 1, two mounting sleeves 3 are sleeved on the outer side of the screw rod 2, the anti-abrasion mechanism 4 is sleeved on the outer side of the screw rod 2 between the two mounting sleeves 3, a plurality of sliding grooves 5 distributed along the length direction of the screw rod 2 are uniformly arranged on the outer side of the screw rod 2, the length of the sliding grooves 5 is the same as that of the screw rod 2, a plurality of sliding blocks 6 matched with the sliding grooves 5 are fixedly arranged on the inner side wall of each mounting sleeve 3, the sliding blocks 6 are slidably mounted in the sliding grooves 5, the nuts 7 are threadedly connected to the screw rod 2, the nut 7 is positioned below the two mounting sleeves 3, the outer side of the screw rod 2 is positioned below the nut 7 and sleeved with an anti-slip block 8, the inner side wall of the anti-slip block 8 is fixedly provided with a plurality of clamping blocks 9 matched with the sliding grooves 5, the clamping blocks 9 are slidably mounted in the sliding grooves 5, the bottom of the nut 7 is integrally formed with a plurality of first anti-slip mechanisms 10 distributed annularly, the upper part of the anti-slip block 8 is integrally formed with a plurality of second anti-slip mechanisms 11 distributed annularly, the first anti-slip mechanisms 10 and the second anti-slip mechanisms 11 are meshed in one-to-one correspondence, the mounting sleeves 3 are annular structures, the anti-wear mechanisms 4 comprise anti-wear sleeves 41, mounting openings 42, extension blocks 43, limiting grooves 44 and limiting blocks 45, one end of each anti-wear sleeve 41 is fixedly connected with the end part of one of the mounting sleeve 3, the other end of each anti-wear sleeve 41 is uniformly provided with a plurality of mounting openings 42 distributed along the axial direction of each anti-wear sleeve 41, an extension block 43 is inserted into each mounting opening 42, the outer end of the extension block 43 is fixedly connected with the end part of the other mounting sleeve 3, two side walls of each mounting opening 42 are respectively provided with a limit groove 44 distributed along the length direction of the mounting opening 42, two side parts of each extension block 43 are respectively and fixedly provided with a limit block 45, the limiting block 45 is slidably clamped in the limiting groove 44, the cross section of the wear-resistant sleeve 41 is circular, the diameter of the anti-wear sleeve 41 is the same as that of the mounting sleeve 3, a magnet block 12 is embedded at one end of the anti-slip block 8 facing the nut 7, the first anti-skid mechanism 10 and the second anti-skid mechanism 11 are both right-angled wedge-shaped teeth, the inner wall of the anti-wear sleeve 41 is fixedly provided with a plurality of bearing blocks 411 which are uniformly distributed, the number of the bearing blocks 411 is the same as that of the sliding grooves 5, the positions of the bearing blocks 411 correspond to one another, and the bearing blocks 411 can be slidably clamped in the sliding grooves 5.

The working process of the utility model is as follows: inserting the screw rod 2 into the preformed hole of the steel structure frame, enabling the two mounting sleeves 3 and the anti-abrasion mechanism 4 to be positioned on the inner side of the preformed hole of the steel structure frame, then screwing the nut 7, then installing the anti-skid block 8 on the screw rod 2 to enable the upper part of the anti-skid block 8 to be attached to the bottom of the nut 7, enabling the first anti-skid mechanism 10 and the second anti-skid mechanism 11 to be correspondingly meshed and connected one by one, embedding the magnet block 12 on the upper part of the anti-skid block 8, enabling the magnet block 12 to adsorb the nut 7, so as to prevent skidding, enabling the anti-skid block 8 not to be separated from the nut 7 easily, ensuring the reliability of connection of the anti-skid block 8 and the nut 7, adjusting the axial length of the anti-abrasion mechanism 4 according to the depth of the preformed hole of the steel structure frame, pulling the extension block 43 out of the mounting hole 42, sliding the limiting blocks 45 on two sides of the extension block 43 in the limiting groove 44 at the moment, increasing the distance between the two mounting sleeves 3, otherwise, pushing the extension block 43 into the mounting hole 42, the interval between two installation cover 3 will diminish for wear prevention mechanism 4 can adapt to the preformed hole of the steel structure frame of the different degree of depth, owing to be equipped with bearing block 411 at the fixed inner wall of abrasionproof cover 41, but bearing block 411 slidable mounting is in spout 5, and when the lateral part of abrasionproof cover 41 received the pressure of steel structure frame, abrasionproof cover 41 can transmit pressure through bearing block 411 for spout 5 on the screw rod 2, effectively prevents that abrasionproof cover 41 from being pressed and warp. Compared with the prior art, can effectively prevent that the screw thread of bolt from receiving wearing and tearing, prolong the life of bolt, prevent effectively that the bolt is not hard up, promote the security of bolt, simple structure, convenient to use, facilitate promotion is used.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a high strength bolt that steel structure frame node was used which characterized in that: comprises a screw head (1), a screw rod (2), mounting sleeves (3), an anti-abrasion mechanism (4), a sliding groove (5), sliding blocks (6), a nut (7), an anti-slip block (8), a clamping block (9), a first anti-slip mechanism (10) and a second anti-slip mechanism (11), wherein the screw rod (2) is fixedly connected to the bottom of the screw head (1), two mounting sleeves (3) are sleeved on the outer side of the screw rod (2), the anti-abrasion mechanism (4) is sleeved between the two mounting sleeves (3) on the outer side of the screw rod (2), a plurality of sliding grooves (5) distributed along the length direction of the screw rod (2) are uniformly arranged on the outer side of the screw rod (2), the length of each sliding groove (5) is the same as that of the screw rod (2), a plurality of sliding blocks (6) matched with the sliding grooves (5) are fixedly arranged on the inner side wall of each mounting sleeve (3), and the sliding blocks (6) are slidably mounted in the sliding grooves (5), threaded connection has nut (7) on screw rod (2), nut (7) are located the below of two installation cover (3), the outside of screw rod (2) is located the below cover of nut (7) and is equipped with non slipping spur (8), the fixed fixture block (9) that are equipped with a plurality of and spout (5) matched with of inside wall of non slipping spur (8), but fixture block (9) slidable mounting is in spout (5), the bottom integrated into one piece of nut (7) has a plurality of first non-slip mechanism (10) that are the annular distribution, the upper portion integrated into one piece of non slipping spur (8) has a plurality of second non-slip mechanism (11) that are the annular distribution, first non-slip mechanism (10) are connected with second non-slip mechanism (11) one-to-one meshing.

2. The high strength bolt for a steel structural frame joint of claim 1, wherein: the mounting sleeve (3) is of an annular structure.

3. The high strength bolt for a steel structural frame joint of claim 1, wherein: the anti-wear mechanism (4) comprises an anti-wear sleeve (41), a mounting opening (42), an extension block (43), a limiting groove (44) and a limiting block (45), one end of the wear-proof sleeve (41) is fixedly connected with the end part of one of the mounting sleeves (3), the other end of the wear-resistant sleeve (41) is uniformly provided with a plurality of mounting openings (42) distributed along the axial direction of the wear-resistant sleeve (41), each mounting opening (42) is internally inserted with an extension block (43), the outer end of extension piece (43) and the tip fixed connection of another installation cover (3), every spacing groove (44) that the length direction that follows installing port (42) distributes are all seted up to the both sides wall of installing port (42), every both sides portion of extension piece (43) all is fixed and is equipped with stopper (45), stopper (45) slidable card is established in spacing groove (44).

4. A high strength bolt for a steel structural frame joint as defined in claim 3, wherein: the cross section of the anti-abrasion sleeve (41) is circular, and the diameter of the anti-abrasion sleeve (41) is the same as that of the installation sleeve (3).

5. The high strength bolt for a steel structural frame joint of claim 1, wherein: and a magnet block (12) is embedded at one end of the antiskid block (8) facing the nut (7).

6. The high strength bolt for a steel structural frame joint of claim 1, wherein: the first anti-skid mechanism (10) and the second anti-skid mechanism (11) are both right-angle wedge-shaped teeth.

7. A high strength bolt for a steel structural frame joint as defined in claim 3, wherein: the inner wall of abrasionproof cover (41) is fixed and is equipped with a plurality of evenly distributed's bearing block (411), the same and position one-to-one of quantity and the quantity of spout (5) of bearing block (411), bearing block (411) slidable card is established in spout (5).