Adjustable building hardware fastener

By using multi-positioning sleeves and snap-fit ​​structures, the construction hardware fasteners solve the problems of inconvenient adjustment and insufficient stability of traditional fasteners in steel pipe connections, achieving efficient and stable steel pipe fixing, adapting to the needs of steel pipes of different diameters, and improving construction efficiency and connection reliability.

CN223880741UActive Publication Date: 2026-02-06黄春风
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Patent Information

Application Number
CN202520324077.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-06
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

Traditional building hardware fasteners suffer from problems such as inconvenient adjustment, insufficient stability, and low operating efficiency in steel pipe connections, and are prone to loosening or failure, especially under high-strength loads.

Method used

The design employs a multi-positioning sleeve, utilizing the interlocking structure of clamping rings and connecting blocks, combined with the cooperation of a rotating base and compression springs, to achieve synchronous adjustment and uniform clamping of multiple steel pipes. The stable fixing of the steel pipes is ensured by the cooperation of adjusting nuts and guide columns.

Benefits of technology

It improves the stability and load-bearing capacity of steel pipe connections, simplifies the operation process, increases construction efficiency, adapts to the fixing requirements of steel pipes of different diameters, and ensures the uniform distribution of clamping force and the reliability of connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an adjustable building hardware fastener in the field of hardware fasteners, which comprises a fixing seat, a fixing assembly comprises more than two positioning sleeves, each positioning sleeve is composed of two mutually symmetrical clamping rings, one ends of the two clamping rings are rotatably connected through a rotating shaft, and the other ends of the two clamping rings are rotatably connected through a rotating shaft. A rotatable connecting block is arranged at the end, away from the rotating shaft, of the clamping ring, two positioning plates are arranged on the fixing base, a fixed block and a movable block are arranged on the positioning plates, a stud is arranged on the fixed block, a through hole is formed in the movable block, the stud penetrates through the through hole and is in threaded connection with an adjusting nut, and the movable block can be close to or away from the fixed block. The opposite ends of the fixed block and the movable block are provided with clamping grooves, the ends, away from each other, of the two connecting blocks are provided with positioning parts, the two connecting blocks can be matched with the fixed block and the movable block respectively, the positioning parts are clamped with the clamping grooves, and the design of the multiple positioning sleeves enables two adjacent steel pipes to be fixed at the same time through the multiple clamping rings. And the stability and the bearing capacity of steel pipe connection are obviously improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the hardware fastener field, especially a adjustable building hardware fastener. BACKGROUND

[0002] Building hardware fastener is an important component for connecting and fixing various structural members in construction engineering, widely used in scenarios such as scaffolding, formwork support, steel structure connection, etc. Its role is to ensure the stability, safety and load-bearing capacity of building structure. Common building hardware fasteners include bolts, nuts, clamping devices, etc. The performance of these fasteners directly affects the overall quality and construction efficiency of building structure. With the complexity and diversification of construction engineering, higher requirements are put forward for the stability, adjustment convenience and applicability of fasteners.

[0003] In construction engineering, scaffolding is a commonly used temporary support structure, used to support workers and building materials. The erection of scaffolding usually relies on the combination of steel pipes and fasteners, where fasteners are used to connect and fix adjacent steel pipes to ensure the overall stability of the scaffolding. Traditional scaffolding fasteners mostly use bolt connection or simple clamping devices. Although these fasteners can meet the basic connection requirements, they often have problems such as inconvenient adjustment and insufficient stability in actual use, especially when frequent adjustment or heavy load is required, which is prone to looseness or failure.

[0004] The existing scaffolding fasteners have the following defects: first, the traditional fasteners usually adopt a single clamping point design, which is difficult to fix multiple steel pipes at the same time, resulting in insufficient connection stability and inability to meet the demand of high-strength load bearing. Second, the adjustment method of existing fasteners is relatively cumbersome, usually requiring individual adjustment of bolts or clamping devices, which is low in operation efficiency and difficult to ensure uniform distribution of clamping force, easily leading to loosening or deviation of steel pipes during the fixing process. TECHNICAL SOLUTION

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a adjustable building hardware fastener, which can effectively solve the technical problem of inconvenient use.

[0006] The technical scheme adopted by the utility model to solve its technical problems is:

[0007] The utility model provides an adjustable building hardware fastener, which comprises a fixing base, two groups of fixing components arranged on the fixing base, two fixing components for fixing and installing two adjacent steel pipes on the fixing base, the fixing component comprises two or more positioning sleeves, the positioning sleeve is composed of two mutually symmetrical clamping rings, one end of the two clamping rings is rotationally connected through a rotating shaft, the end of the clamping ring away from the rotating shaft is provided with a rotatable connecting block, two positioning plates are arranged on the fixing base, the positioning plate is provided with a fixed block and a movable block, the fixed block is provided with a stud, the movable block is provided with a through hole, the stud passes through the through hole and is screwed with an adjusting nut, the movable block can be close to or away from the fixed block, the end of the fixed block and the movable block opposite to each other is provided with a clamping groove, the end of the two connecting blocks away from each other is provided with a positioning part, the two connecting blocks can be matched with the fixed block and the movable block respectively, the positioning part and the clamping groove are mutually clamped, and the connecting block can slide along the clamping groove.

[0008] Further, the movable block is provided with a guide hole, the fixed block is provided with a guide column, and the end of the guide column close to the movable block passes through the guide hole.

[0009] Further, the outer side of the guide column is provided with a compression spring, the compression spring is located between the movable block and the fixed block, and the two ends of the compression spring are in contact with the ends of the movable block and the fixed block opposite to each other.

[0010] Further, the inner side of the two clamping rings is provided with a convex anti-skid tooth.

[0011] Further, the fixing base is composed of two rotating bases, the two positioning plates are arranged at the ends of the two rotating bases away from each other, and the two rotating bases are rotationally connected.

[0012] Further, the two rotating bases are respectively provided with a positioning groove and a positioning shaft, the positioning shaft is rotationally matched with the positioning ring, the side wall of the positioning groove is provided with a screw hole, and a fixing bolt is further arranged, the fixing bolt can pass through the screw hole to the side wall of the positioning shaft, the end of the fixing bolt close to the positioning shaft is provided with a pressing plate, and the pressing plate and the side wall of the positioning shaft are provided with clamping teeth which can be mutually clamped.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the design of multiple positioning sleeves enables two adjacent steel pipes to be fixed simultaneously through multiple clamping rings, significantly improves the stability and carrying capacity of the steel pipe connection, is suitable for high-strength requirements of steel pipe connection in various construction scenes, the fixed block and the movable block are made close to each other through the adjusting nut, and the two clamping rings are driven to clamp the steel pipe. Simplify the clamping operation, ensure the uniform distribution of clamping force, avoid the loosening or deviation of the steel pipe during the fixing process, further improve the reliability of the connection, enable the user to conveniently and quickly adjust multiple positioning sleeves synchronously, greatly improve the construction efficiency, reduce the operation time, since the clamping ring is connected through the rotating shaft, and the clamping design of the connecting block, the fixed block and the movable block has high flexibility, and can adapt to the fixing requirements of steel pipes of different diameters. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the utility model;

[0015] Figure 2 It is a connecting schematic view of the fixed seat and the positioning sleeve in the utility model;

[0016] Figure 3 It is a connecting schematic view of the fixed block and the movable block in the utility model;

[0017] Figure 4 It is a schematic view of the fixed bolt and the rotating base plate in the utility model;

[0018] Figure 5 It is a connecting schematic view of the rotating base plate in the utility model;

[0019] Marked number in the drawing: 1-fixed seat, 101-rotating base plate, 102-fixed bolt, 103-pressing plate, 104-positioning groove, 105-positioning shaft, 2-positioning sleeve, 201-clamping ring, 202-connecting block, 203-positioning part, 3-positioning plate, 4-fixed block, 401-guiding column, 5-movable block, 501-guiding hole, 502-through hole, 6-clamping groove, 7-compression spring, 8-adjusting nut, 9-stud. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Figures 1-5The adjustable building hardware fastener is described in detail as follows:

[0022] The adjustable building hardware fastener comprises a fixing seat 1, two groups of fixing components are arranged on the fixing seat 1, two fixing components are used for fixing and mounting two adjacent steel pipes on the fixing seat 1, the fixing component comprises two or more than two positioning sleeves 2, the positioning sleeve 2 is composed of two mutually symmetrical clamping rings 201, one end of the two clamping rings 201 is rotationally connected through a rotating shaft, the inner side of the two clamping rings 201 is provided with protruding anti-skid teeth, the anti-skid teeth can increase the friction force between the clamping ring 201 and the surface of the steel pipe, prevent the steel pipe from sliding or loosening after being fixed, and further improve the reliability and carrying capacity of the connection. In addition, the anti-skid teeth can also adapt to steel pipes with different surface roughness, enhance the applicability of the fastener, the end of the clamping ring 201 away from the rotating shaft is provided with a rotatable connecting block 202, the fixing seat 1 is provided with two positioning plates 3, the positioning plate 3 is provided with a fixing block 4 and a movable block 5, the fixing block 4 is provided with a stud 9, the movable block 5 is provided with a through hole 502, the stud 9 passes through the through hole 502 and is screwed with an adjusting nut 8, the movable block 5 can be close to or away from the fixing block 4, the fixing block 4 and the movable block 5 are provided with a clamping groove 6 at the opposite end, the two connecting blocks 202 are provided with a positioning part 203 at the opposite end away from each other, the two connecting blocks 202 can be matched with the fixing block 4 and the movable block 5 respectively, and the positioning part 203 and the clamping groove 6 are clamped with each other.

[0023] The design of the plurality of positioning sleeves 2 enables the two adjacent steel pipes to be fixed by the plurality of clamping rings 201 at the same time, significantly improves the stability and carrying capacity of the steel pipe connection, is suitable for various high-strength requirements of the steel pipe connection in various building scenes, the fixing block 4 and the movable block 5 are made close to each other through the adjusting nut 8, the two clamping rings 201 are driven to clamp the steel pipe. Simplify the clamping operation, ensure the uniform distribution of the clamping force, avoid the loosening or deviation of the steel pipe during the fixing process, further improve the reliability of the connection, so that the user can conveniently and quickly adjust the plurality of positioning sleeves 2 synchronously, greatly improve the construction efficiency, reduce the operation time, since the clamping ring 201 is connected through the rotating shaft, and the clamping design of the connecting block 202 and the fixing block 4 and the movable block 5 has high flexibility, and can adapt to the fixing requirements of steel pipes with different diameters.

[0024] The movable block 5 is provided with a guide hole 501, the fixing block 4 is provided with a guide column 401, one end of the guide column 401 close to the movable block 5 passes through the guide hole 501, through the cooperation of the guide column 401 and the guide hole 501, the straight line movement of the movable block 5 during movement is ensured, the deviation or inclination of the movable block 5 during the adjustment process is avoided, and the stability and accuracy of the clamping operation are further improved.

[0025] The outer side of the guide column 401 is provided with a compression spring 7, which is located between the movable block 5 and the fixed block 4, and the two ends of the compression spring 7 are in contact with the opposite end of the movable block 5 and the fixed block 4 respectively. The design of the compression spring 7 can automatically push the movable block 5 away from the fixed block 4 when the adjusting nut 8 is loosened, so as to quickly release the clamping force, facilitate the installation and disassembly of the steel pipe. At the same time, the compression spring 7 can also provide uniform elastic support during clamping, so as to ensure that the distribution of clamping force is more uniform, further improve the stability of the steel pipe connection, and prevent the adjusting nut 8 from loosening.

[0026] The fixed seat 1 is composed of two rotating bottom plates 101, and the two positioning plates 3 are arranged at the ends away from each other of the two rotating bottom plates 101, and the two rotating bottom plates 101 are rotationally connected, so that the fixed seat 1 can be adjusted at multiple angles according to actual needs, adapt to the connection needs of steel pipes in different directions, and improve the flexibility and applicability of the fastener. The two rotating bottom plates 101 are respectively provided with positioning grooves 104 and positioning shafts 105, the positioning shafts 105 are rotationally matched with the positioning rings, the side wall of the positioning groove 104 is provided with a screw hole, and the fixed bolt 102 is further arranged, the fixed bolt 102 can pass through the screw hole to the side wall of the positioning shaft 105, the end of the fixed bolt 102 close to the positioning shaft 105 is provided with a pressing plate 103, the pressing plate 103 and the side wall of the positioning shaft 105 are provided with clamping teeth that can be clamped with each other, and the relative position of the two rotating bottom plates 101 can be locked through the fixed bolt 102.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An adjustable building hardware fastener, comprising a fixing base, two sets of fixing components are arranged on the fixing base, and the two sets of fixing components are used for fixing and mounting two adjacent steel pipes on the fixing base, characterized in that: The fixing assembly comprises two or more positioning sleeves, each of which is composed of two mutually symmetrical clamping rings, one end of each clamping ring is rotationally connected through a rotating shaft, and the end of each clamping ring away from the rotating shaft is provided with a rotatable connecting block, two positioning plates are arranged on the fixing base, each positioning plate is provided with a fixed block and a movable block, a stud is arranged on the fixed block, a through hole is arranged on the movable block, the stud passes through the through hole and is screwed with an adjusting nut, the movable block can be close to or away from the fixed block, the opposite end of the fixed block and the movable block is provided with a clamping groove, the opposite end of each connecting block is provided with a positioning part, and the two connecting blocks can be matched with the fixed block and the movable block respectively, and the positioning part and the clamping groove are mutually clamped.

2. An adjustable building hardware fastener according to claim 1, wherein: A guide hole is arranged on the movable block, and a guide column is arranged on the fixed block, one end of the guide column close to the movable block passes through the guide hole.

3. An adjustable building hardware fastener according to claim 2, wherein: A compression spring is arranged outside the guide column, and the compression spring is located between the movable block and the fixed block, and the two ends of the compression spring are in contact with the opposite ends of the movable block and the fixed block respectively.

4. An adjustable building hardware fastener according to any one of claims 1-3, wherein: The inner side of each clamping ring is provided with a protruding anti-skid tooth.

5. An adjustable building hardware fastener according to any one of claims 1-3, wherein: The fixing base is composed of two rotating bases, the two positioning plates are arranged at the opposite ends of the two rotating bases away from each other, and the two rotating bases are rotationally connected.

6. An adjustable building hardware fastener according to claim 5, wherein: A positioning groove and a positioning shaft are arranged on each rotating base, the positioning shaft is rotationally matched with the positioning ring, the side wall of the positioning groove is provided with a screw hole, and a fixing bolt is further arranged, the fixing bolt can pass through the screw hole to the side wall of the positioning shaft, one end of the fixing bolt close to the positioning shaft is provided with a pressing plate, and the pressing plate and the side wall of the positioning shaft are provided with clamping teeth which can be mutually clamped.