High-strength large hexagonal head bolt for steel structure

Abstract

The utility model relates to the technical field of hexagon-headed bolts, and discloses a high-strength large hexagon-headed bolt for a steel structure, which comprises a stainless steel screw rod and further comprises a supporting disc fixed at the top of the stainless steel screw rod, a hexagonal thread sleeve is arranged at the top of the supporting disc, and a first inner hexagonal hole is formed in the hexagonal thread sleeve; the stainless steel threaded rod, the supporting disc and the threaded sleeve are all made of stainless steel materials, the use strength is improved, when the outer side of the hexagonal threaded sleeve is abraded and the stainless steel threaded rod is inconvenient to disassemble, the stainless steel threaded rod can be disassembled through the first inner hexagonal hole, and the stainless steel threaded rod is convenient to disassemble. According to the screw rod, the hexagonal screw sleeve can be detached, the stainless steel screw rod is detached through the second inner hexagonal hole, the problem that the screw rod is inconvenient to detach due to the fact that the screw sleeve is ground flat is solved, and the reinforcing effect of the screw rod on a steel structure is improved by arranging the reinforcing part.

Description

Technical Field

[0001] The utility model relates to the technical field of hexagon head bolts, in particular to a high-strength large hexagon head bolt for steel structures. Background Technique

[0002] The high-strength large hexagon head bolt for steel structures is a commonly used fastener in the machinery industry. It is a kind of fastener composed of a head and a screw rod, which needs to cooperate with a nut to be used for firmly connecting two parts with through holes.

[0003] During the use of the existing hexagon bolts, since the outer side of the bolts will be ground flat after long-term use, it is not convenient to disassemble the installed bolts, which affects the processing efficiency of steel structures. Moreover, the reinforcement range exerted by a single bolt on the steel structure is small, affecting the reinforcement effect of the steel structure.

[0004] Therefore, it is necessary to provide a new high-strength large hexagon head bolt for steel structures to solve the above technical problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-strength large hexagon head bolt for steel structures to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: A high-strength large hexagon head bolt for steel structures, including a stainless steel screw rod, further comprising: a support plate fixed on the top of the stainless steel screw rod, a hexagon nut sleeve arranged on the top of the support plate, and a first internal hexagon hole arranged inside the hexagon nut sleeve; a reinforcement member arranged outside the stainless steel screw rod to reinforce it; a protective pad arranged at the bottom of the support plate to protect it, and a circular nut sleeve fixedly connected to the top of the support plate.

[0007] Preferably, the reinforcement member includes a reinforcement backing plate arranged outside the stainless steel screw rod to reinforce it, and a first installation hole arranged inside the reinforcement backing plate.

[0008] Preferably, the reinforcement member further includes a second installation hole arranged inside the reinforcement backing plate, and a reinforcement screw rod arranged inside the second installation hole.

[0009] Preferably, a second internal hexagon hole is arranged inside the circular nut sleeve, and a card slot is arranged on the outer side of the circular nut sleeve.

[0010] Preferably, a limiting groove is arranged inside the support plate.

[0011] Preferably, a limiting rod is fixedly connected to the bottom of the hexagon nut sleeve, and the outer side of the limiting rod is clamped with the inner wall of the limiting groove.

[0012] Preferably, an installation groove is provided inside the hexagonal screw sleeve, and a hexagonal limiting block is fixedly connected to the inner wall of the installation groove. The outer side of the hexagonal limiting block is clamped with the second inner hexagonal hole.

[0013] Preferably, a clamping block is fixedly connected to the inner wall of the installation groove, and the outer side of the clamping block is clamped with the inner wall of the clamping groove.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the present utility model, the stainless steel screw rod, the support plate and the screw sleeve are all made of stainless steel materials, which improves the service strength. When it is inconvenient to disassemble the stainless steel screw rod due to wear on the outer side of the hexagonal screw sleeve, the first inner hexagonal hole can be used for disassembly, which can disassemble the hexagonal screw sleeve, and the second inner hexagonal hole can be used to disassemble the stainless steel screw rod, avoiding the problem that it is inconvenient to disassemble the screw rod due to the worn flat screw sleeve. By setting the reinforcement member, the reinforcement effect when the screw rod reinforces the steel structure is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. is a schematic structural diagram of a preferred embodiment of a high-strength large hexagon head bolt for steel structures provided by the present utility model;

[0017] Figure 2 FIG. is a schematic structural diagram of the reinforcement member in the present utility model;

[0018] Figure 3 FIG. is a schematic structural diagram of the support plate in the present utility model;

[0019] Figure 4 FIG. is a schematic bottom structural diagram of the hexagonal screw sleeve in the present utility model.

[0020] In the figure: 1, stainless steel screw rod; 2, support plate; 3, hexagonal screw sleeve; 4, first inner hexagonal hole; 5, reinforcement member; 51, reinforcement backing plate; 52, first mounting hole; 53, second mounting hole; 54, reinforcement screw rod; 6, protective pad; 7, circular screw sleeve; 8, second inner hexagonal hole; 9, clamping groove; 10, limiting groove; 11, limiting rod; 12, installation groove; 13, hexagonal limiting block; 14, clamping block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4As shown in the figure, a high-strength large hexagon head bolt for steel structures includes a stainless steel screw rod 1, and also includes: a support disk 2 fixed to the top of the stainless steel screw rod 1, a hexagon socket 3 is arranged on the top of the support disk 2, and a first internal hexagon hole 4 is arranged inside the hexagon socket 3; a reinforcement member 5 arranged outside the stainless steel screw rod 1 to reinforce it; a protective pad 6 arranged at the bottom of the support disk 2 to protect it, and a circular socket 7 is fixedly connected to the top of the support disk 2; the hexagon socket 3 facilitates the subsequent installation and disassembly of the stainless steel screw rod 1. When the outer side of the hexagon socket 3 is ground flat and inconvenient to rotate, the stainless steel screw rod 1 can be disassembled through the first internal hexagon hole 4. By arranging the protective pad 6 to protect the support disk 2, the wear between the support disk 2 and the steel structure is reduced.

[0023] Reference Figure 1 and Figure 2 As shown in the figure, the reinforcement member 5 includes a reinforcement backing plate 51 arranged outside the stainless steel screw rod 1 to reinforce it, and a first installation hole 52 arranged inside the reinforcement backing plate 51; the reinforcement member 5 also includes a second installation hole 53 arranged inside the reinforcement backing plate 51, and a reinforcement screw rod 54 arranged inside the second installation hole 53; the reinforcement screw rod 54 has the same structure as the stainless steel screw rod 1 and is a reduced-size stainless steel screw rod 1. The reinforcement backing plate 51 is sleeved outside the stainless steel screw rod 1 and the reinforcement screw rod 54. When reinforcing the steel structure, the two groups of reinforcement screw rods 54 and a group of stainless steel screw rods 1 reinforce the steel structure simultaneously through the reinforcement backing plate 51, improving the reinforcement effect and the reinforcement strength of the steel structure.

[0024] Reference Figure 1 、 Figure 3 and Figure 4 As shown in the figure, a second internal hexagon hole 8 is arranged inside the circular socket 7, and a clamping groove 9 is arranged on the outer side of the circular socket 7; a limiting groove 10 is arranged inside the support disk 2; a limiting rod 11 is fixedly connected to the bottom of the hexagon socket 3, and the outer side of the limiting rod 11 is clamped with the inner wall of the limiting groove 10; an installation groove 12 is arranged inside the hexagon socket 3, a hexagon limiting block 13 is fixedly connected to the inner wall of the installation groove 12, and the outer side of the hexagon limiting block 13 is clamped with the second internal hexagon hole 8; a clamping block 14 is fixedly connected to the inner wall of the installation groove 12, and the outer side of the clamping block 14 is clamped with the inner wall of the clamping groove 9; the second internal hexagon hole 8 is arranged at the top of the circular socket 7. The hexagon socket 3 is sleeved on the top of the circular socket 7, so that the hexagon limiting block 13 is clamped with the second internal hexagon hole 8, the clamping block 14 is clamped with the clamping groove 9, and the limiting rod 11 is clamped with the limiting groove 10 to install the hexagon socket 3.

[0025] Working principle: When this device is in use, the hexagonal screw sleeve 3 is sleeved on the top of the circular screw sleeve 7, so that the hexagonal limiting block 13 is clamped with the second hexagonal hole 8, the clamping block 14 is clamped with the clamping groove 9, and the limiting rod 11 is clamped with the limiting groove 10 to install the hexagonal screw sleeve 3. It is convenient to install and disassemble the stainless steel screw rod 1 subsequently through the hexagonal screw sleeve 3. When the outer side of the hexagonal screw sleeve 3 is ground flat and inconvenient to rotate, the stainless steel screw rod 1 can be disassembled through the first hexagonal hole 4. The support plate 2 is protected by setting the protective pad 6, reducing the wear between the support plate 2 and the steel structure. When the outer side of the hexagonal screw sleeve 3 and the inside of the first hexagonal hole 4 are ground flat at the same time, pull the hexagonal screw sleeve 3 to separate the clamping block 14 from the clamping groove 9 and the limiting rod 11 from the limiting groove 10 to disassemble the hexagonal screw sleeve 3, and disassemble the stainless steel screw rod 1 through the second hexagonal hole 8, avoiding the problem that it is inconvenient to disassemble the bolt due to the wear of the screw sleeve after long-term use of the bolt. Moreover, a new hexagonal screw sleeve 3 can be replaced for the intact stainless steel screw rod 1, improving the service life of the stainless steel screw rod 1. The reinforcing screw rod 54 has the same structure as the stainless steel screw rod 1 and is a reduced-size stainless steel screw rod 1. The reinforcing backing plate 51 is sleeved on the outside of the stainless steel screw rod 1 and the reinforcing screw rod 54. When reinforcing the steel structure, the two reinforcing screw rods 54 and a group of stainless steel screw rods 1 reinforce the steel structure simultaneously through the reinforcing backing plate 51, improving the reinforcing effect and the reinforcing strength of the steel structure.

[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0027] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength large hexagon head bolt for steel structure, comprising a stainless steel screw (1), characterized in that: Also includes: A support plate (2) fixed on the top of the stainless steel screw rod (1), wherein a hexagonal screw sleeve (3) is arranged on the top of the support plate (2), and a first inner hexagonal hole (4) is arranged inside the hexagonal screw sleeve (3); A reinforcing member (5) disposed on the outside of the stainless steel screw (1) to reinforce the stainless steel screw; A protective pad (6) is arranged at the bottom of the support plate (2) to protect it, and a circular screw sleeve (7) is fixedly connected to the top of the support plate (2).

2. The high-strength large hexagon head bolt for steel structure according to claim 1, characterized in that: The reinforcement member (5) comprises a reinforcement pad (51) arranged on the outside of the stainless steel screw (1) to reinforce it, and a first mounting hole (52) arranged inside the reinforcement pad (51).

3. The high-strength large hexagon head bolt for steel structure according to claim 2, characterized in that: The reinforcement member (5) further comprises a second mounting hole (53) arranged inside the reinforcement pad (51), and a reinforcement screw rod (54) arranged inside the second mounting hole (53).

4. The high-strength large hexagon head bolt for steel structure according to claim 1, characterized in that: A second hexagonal hole (8) is provided inside the circular screw sleeve (7), and a clamping groove (9) is provided on the outside of the circular screw sleeve (7).

5. The high-strength large hexagon head bolt for steel structure according to claim 1, characterized in that: A limiting groove (10) is provided inside the support plate (2).

6. The high-strength large hexagon head bolt for steel structure according to claim 1, characterized in that: The bottom of the hexagonal screw sleeve (3) is fixedly connected to a limiting rod (11), and the outer side of the limiting rod (11) is clamped with the inner wall of the limiting groove (10).

7. The high-strength large hexagon head bolt for steel structure according to claim 6, characterized in that: The hexagonal screw sleeve (3) is provided with a mounting groove (12) inside, the inner wall of the mounting groove (12) is fixedly connected with a hexagonal stop block (13), and the outer side of the hexagonal stop block (13) is snap-fitted with the second inner hexagonal hole (8).

8. The high-strength large hexagon head bolt for steel structure according to claim 7, characterized in that: A clamping block (14) is fixedly connected to the inner wall of the installation groove (12), and the outer side of the clamping block (14) is clamped to the inner wall of the clamping groove (9).

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