Novel bolt group for steel structure building
By adopting the design of thread structure and degree of freedom adjustment in the bolt group, the problems of corrosion and fatigue in complex environments of traditional bolt groups are solved, and higher fixity and stability are achieved, meeting the high-quality connection needs of modern engineering.
Patent Information
- Application Number
- CN202422037625.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-22
AI Technical Summary
Traditional bolt groups are prone to corrosion, fatigue cracks and other problems under complex environmental conditions, resulting in shortening of service life and easily causing nesting deformation when impacted by objects, resulting in bolts being disengaged or unable to be removed.
A new bolt group for steel structure buildings was designed, and the installation was carried out using a threaded structure. The circular nut, hexagonal screw barrel and hexagonal pull cap was connected by thread, allowing the degree of freedom to be adjusted, the overall fixation was enhanced, and misaligned by a fixing ring.
It improves the overall fixation and stability of the bolt set, enhances corrosion resistance and fatigue resistance, meets the needs of modern engineering for high-quality connections, and simplifies the installation process.
Smart Images

Figure CN222880067U_ABST
Abstract
Description
Technical Field
[0001] The utility model specifically relates to the technical field of novel bolt groups, in particular to a novel bolt group used for steel structure buildings. Background Art
[0002] The new bolt group is a bolt product that has been innovated and improved in design, materials, manufacturing process or function compared to traditional bolts. When the new bolt group is used, compared with the traditional bolt group, the performance of the traditional bolt group will be greatly affected under complex environmental conditions such as high temperature, high humidity, corrosive media, etc. Bolts may have problems such as corrosion and fatigue cracks, which shortens their service life. The research and development of the new bolt group aims to solve these shortcomings of the traditional bolt group. Through innovative design, material selection and manufacturing process, the bolt group's tightening force retention ability, fatigue resistance, corrosion resistance, etc. are improved to meet the needs of modern engineering for high-quality connections.
[0003] Chinese patent publication number CN 205559486 U discloses a novel bolt group, a bolt assembly, which includes a bolt and a nest, wherein the bolt includes a screw head and a screw rod connected to each other, the nest is sleeved on the screw rod of the bolt and the front end face abuts the screw head, wherein the outer peripheral portion of the nested sleeve includes a plurality of groove portions arranged at intervals along the circumferential direction and radially recessed inwardly and a plurality of convex ridge portions formed between any two adjacent groove portions and protruding radially outwardly, and the convex ridge portions and the groove portions extend axially.
[0004] The above-mentioned new bolt group does not have a threaded structure. When encountering an impact or collision with an object, it is easy to cause the nesting to deform. After the deformation, the bolts will be out of the nest or the bolts cannot be removed. Utility Model Content
[0005] The purpose of the utility model is to provide a new bolt group for steel structure buildings, which is installed through the threaded structure on the bolt group. The new bolt group has adjustable degrees of freedom, simple structure and convenient installation, so as to solve the technical problems raised in the above-mentioned background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A new bolt group for steel structure buildings, comprising
[0008] A circular nut, wherein an outer clamping plate is provided in front of the circular nut, the outer clamping plate is in plane contact with the hexagonal screw barrel, and the circular nut is connected to the outer clamping plate and the hexagonal screw barrel in sequence through a threaded connection; a hexagonal pull cap is provided in front of the hexagonal screw barrel, the hexagonal pull cap is movably connected to the inner clamping plate, and the hexagonal screw barrel is connected to the hexagonal pull cap and the inner clamping plate in sequence through a threaded connection.
[0009] As a further technical solution of the utility model, the circular nut includes a nut thread column and a nut; a groove is provided between the nut and the nut thread column, and the nut thread column and the nut are integrally arranged.
[0010] As a further technical solution of the utility model, the outer clamping plate and the inner clamping plate are respectively connected with a circular nut, a hexagonal screw barrel and a hexagonal pull nut at the front and back; and the outer clamping plate and the inner clamping plate are composed of the same structure.
[0011] As a further technical solution of the utility model, the hexagonal screw barrel comprises a screw barrel body and an internal thread, and the hexagonal screw barrel is arranged in an integrated manner; the threaded body is threadedly connected to the internal thread of the pull cap.
[0012] As a further technical solution of the utility model, the hexagonal pull nut includes an internal thread of the pull nut, a pull nut barrel, and a fixing ring, wherein the internal thread of the pull nut is inside the pull nut barrel, and the fixing ring is at one end of the pull nut barrel; after the round nut and the hexagonal screw barrel are tightened, they are threadedly connected in the internal thread of the pull nut.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. When the utility model is used, firstly, the inner thread of the hexagonal pull nut is threadedly moved outward by an electric drill, and the pull nut barrel is stretched outward so as to be close to the inner clamping plate; then the hexagonal screw barrel is threadedly connected with the hexagonal pull nut, an outer clamping plate is placed outside the hexagonal screw barrel, and an inner thread is arranged inside the hexagonal screw barrel; then the round nut is threadedly connected with the hexagonal screw barrel through the outer clamping plate; the two threaded connection structures greatly improve the overall fixity;
[0015] 2. In the utility model, the circular nut, the hexagonal screw barrel and the hexagonal pull cap are connected by threaded connection, so that the installation of the circular nut, the hexagonal screw barrel and the hexagonal pull cap has multiple degrees of freedom as a whole. The relative positions can be adjusted according to the bolt installation through the outer clamping plate and the inner clamping plate, so as to meet the installation of bolt groups with different surfaces;
[0016] 3. During installation, the utility model passes the hexagonal screw barrel through the hexagonal pull nut and the inner clamping plate, and then is fixed to the fixing ring of the hexagonal pull nut; the fixing ring contacts the inner clamping plate to prevent the hexagonal screw barrel from being misaligned when connected to the inner clamping plate; and the fixing ring is arranged in a circular ring, which has a better fit with the hexagonal screw barrel, thereby ensuring the stability of the hexagonal screw barrel during installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0018] Figure 2 This utility model Figure 1 Right view of .
[0019] Figure 3 This utility model Figure 2 A cross-sectional perspective diagram of .
[0020] Figure 4 This utility model Figure 1 Top view of the .
[0021] Figure 5 This utility model Figure 1 Schematic diagram of the rear structure.
[0022] Figure 6 This utility model Figure 1 Schematic diagram of the front structure.
[0023] In the figure: 1-round nut, 2-external clamping plate, 3-hexagonal screw barrel, 4-hexagonal pull cap, 5-inner clamping plate;
[0024] 11-nut threaded column, 12-nut;
[0025] 31-screw barrel body, 32-internal thread;
[0026] 41-pull cap internal thread, 42-pull cap cylinder, 43-fixing ring. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1-6 In the embodiment of the utility model, a new bolt group for steel structure buildings includes a circular nut 1, an outer clamping plate 2 is provided in front of the circular nut 1, the outer clamping plate 2 is in plane contact with the hexagonal screw barrel 3, and the circular nut 1 is connected to the outer clamping plate 2 and the hexagonal screw barrel 3 in sequence through a threaded connection; a hexagonal pull nut 4 is provided in front of the hexagonal screw barrel 3, the hexagonal pull nut 4 is movably connected to the inner clamping plate 5, and the hexagonal screw barrel 3 is connected to the hexagonal pull nut 4 and the inner clamping plate 5 in sequence through a threaded connection.
[0029] By adopting the above technical solution, when in use, first the internal thread 41 of the hexagonal pull nut 4 is threadedly moved outward by an electric drill, and the pull nut tube 42 is stretched outward so as to be close to the inner clamping plate 5; then the hexagonal screw barrel 3 is threadedly connected with the hexagonal pull nut 4, an outer clamping plate 2 is placed on the outside of the hexagonal screw barrel 3, and an internal thread 32 is arranged inside the hexagonal screw barrel 3; then the circular nut 1 is threadedly connected with the hexagonal screw barrel 3 through the outer clamping plate 2; the two threaded connection structures greatly improve the overall fixity.
[0030] In this embodiment, the circular nut 1 includes a nut threaded column 11 and a nut 12; a groove is provided between the nut 12 and the nut threaded column 11, and the nut threaded column 11 and the nut 12 are integrally arranged; the outer clamping plate 2 and the inner clamping plate 5 are respectively connected with the circular nut 1, the hexagonal screw barrel 3, and the hexagonal pull cap 4 at the front and back; and the outer clamping plate 2 and the inner clamping plate 5 adopt the same structure; the hexagonal screw barrel 3 includes a screw barrel body 31 and an internal thread 32, and the hexagonal screw barrel 3 is integrally arranged; the threaded body 31 is threadedly connected to the internal thread 41 of the pull cap.
[0031] By adopting the above technical solution, a threaded connection is adopted between the circular nut 1, the hexagonal screw barrel 3 and the hexagonal pull nut 4, so that the installation of the circular nut 1, the hexagonal screw barrel 3 and the hexagonal pull nut 4 has multiple degrees of freedom as a whole. The relative positions can be adjusted according to the bolt installation through the outer clamping plate 2 and the inner clamping plate 5, thereby meeting the installation requirements of bolt groups on different surfaces.
[0032] In this embodiment, the hexagonal pull nut 4 includes a pull nut internal thread 41, a pull nut cylinder 42, and a fixing ring 43, wherein the pull nut internal thread 41 is inside the pull nut cylinder 42, and the fixing ring 43 is at one end of the pull nut cylinder 42; after the circular nut 1 is tightened with the hexagonal screw cylinder 3, it is threadedly connected in the pull nut internal thread 41.
[0033] By adopting the above technical solution, during installation, the hexagonal screw barrel 3 is passed through the hexagonal pull nut 4 and the inner clamping plate 5, and then fixed to the fixing ring 43 of the hexagonal pull nut 4; the fixing ring 43 contacts the inner clamping plate 5 to prevent the hexagonal screw barrel 3 from being misaligned when connected to the inner clamping plate 5; and the fixing ring 43 is set as a circular ring, which has a better fit with the hexagonal screw barrel 3, thereby ensuring the stability of the hexagonal screw barrel 3 during installation.
[0034] The working principle of the utility model is as follows: when in use, firstly, the inner thread 41 of the hexagonal pull nut 4 is threadedly moved outward by an electric drill, and the pull nut barrel 42 is stretched outward, so as to be close to the inner clamping plate 5; then the hexagonal screw barrel 3 is threadedly connected with the hexagonal pull nut 4, an outer clamping plate 2 is placed outside the hexagonal screw barrel 3, and an inner thread 32 is arranged inside the hexagonal screw barrel 3; then the round nut 1 is threadedly connected with the hexagonal screw barrel 3 through the outer clamping plate 2; the two threaded connection structures greatly improve the overall fixity;
[0035] The circular nut 1, the hexagonal screw barrel 3, and the hexagonal pull cap 4 are connected by a threaded connection, so that the installation of the circular nut 1, the hexagonal screw barrel 3, and the hexagonal pull cap 4 has multiple degrees of freedom as a whole. The relative positions can be adjusted according to the bolt installation through the outer clamping plate 2 and the inner clamping plate 5, so as to meet the installation of bolt groups on different surfaces;
[0036] During installation, the hexagonal screw barrel 3 is passed through the hexagonal pull nut 4 and the inner clamping plate 5, and then fixed with the fixing ring 43 of the hexagonal pull nut 4; the fixing ring 43 contacts the inner clamping plate 5 to prevent the hexagonal screw barrel 3 from being misaligned when connected to the inner clamping plate 5; and the fixing ring 43 is set as a circular ring, which has a better fit with the hexagonal screw barrel 3, thereby ensuring the stability of the hexagonal screw barrel 3 during installation.
[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0038] In addition, it should be understood that although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Technicians with this skill should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A new type of bolt group for steel structure buildings, characterized by: include A circular nut (1) is provided with an outer clamping plate (2) in front of the circular nut (1), the outer clamping plate (2) is in plane contact with a hexagonal screw barrel (3), and the circular nut (1) is connected to the outer clamping plate (2) and the hexagonal screw barrel (3) in sequence through a threaded connection; a hexagonal pull nut (4) is provided in front of the hexagonal screw barrel (3), the hexagonal pull nut (4) is movably connected to an inner clamping plate (5), and the hexagonal screw barrel (3) is connected to the hexagonal pull nut (4) and the inner clamping plate (5) in sequence through a threaded connection.
2. The new bolt group for steel structure buildings according to claim 1 is characterized in that: The circular nut (1) comprises a nut thread column (11) and a nut (12); a groove is provided between the nut (12) and the nut thread column (11), and the nut thread column (11) and the nut (12) are integrally arranged.
3. The new bolt group for steel structure buildings according to claim 1 is characterized in that: The outer clamping plate (2) and the inner clamping plate (5) are respectively connected with a circular nut (1), a hexagonal screw barrel (3), and a hexagonal pull cap (4) at the front and rear; and the outer clamping plate (2) and the inner clamping plate (5) are composed of the same structure.
4. The new bolt group for steel structure buildings according to claim 1 is characterized in that: The hexagonal screw barrel (3) comprises a screw barrel body (31) and an internal thread (32), and the hexagonal screw barrel (3) is arranged in an integrated manner; the screw barrel body (31) is threadedly connected to the internal thread (41) of the pull cap.
5. The new bolt group for steel structure buildings according to claim 1 is characterized in that: The hexagonal pull nut (4) comprises a pull nut internal thread (41), a pull nut cylinder (42), and a fixing ring (43), wherein the pull nut internal thread (41) is inside the pull nut cylinder (42), and the fixing ring (43) is at one end of the pull nut cylinder (42); after the circular nut (1) and the hexagonal screw cylinder (3) are tightened, they are threadedly connected in the pull nut internal thread (41).
Citation Information
Patent Citations
Bolt component
CN205559486U