High-strength building steel pipe connecting piece
By using a cross-shaped slot and insert structure, combined with a U-shaped positioning rod and fixing plate, the accuracy and stability issues of steel pipe connectors during positioning are solved, achieving high-strength steel pipe connections.
Patent Information
- Application Number
- CN202520401339.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing steel pipe connectors require drilling during positioning, which affects the fixing strength of the steel pipe, and the positioning is difficult to calibrate, making it easy to loosen and resulting in poor structural stability.
It adopts a cross-shaped slot and plug structure, combined with a U-shaped positioning rod and fixing plate, to achieve precise positioning and secondary fixation of steel pipe through insertion and welding, thereby enhancing connection strength.
It improves the precision and fixing strength of steel pipe connections, ensuring that the steel pipes are not easily loosened during connection, and enhances the stability and operability of the structure.
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Figure CN223907840U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to steel pipe connecting technical field, concretely is a kind of high-strength building steel pipe connecting piece. BACKGROUND
[0002] Steel pipe is the steel material with hollow section, its length is far greater than diameter or perimeter, is divided into circular pipe, square tube and special-shaped steel pipe according to section shape, and steel pipe is connected by connecting piece and clamp or welding mode in the field of construction between steel pipe;
[0003] The steel pipe connecting piece with the patent number CN221664236U is disclosed, the fixing mechanism is set, two articulated clamps and the cross steel pipe are fixed in the premise of clamping, two articulated clamps and the clamping plate are driven to be close to each other, so that the close contact of longitudinal steel pipe and cross steel pipe can be realized while being fixed respectively, and the fixed connection between longitudinal steel pipe and cross steel pipe is effectively guaranteed, but the following defects still exist when the device is actually used:
[0004] The above-mentioned patent mainly fixes longitudinal steel pipe and cross steel pipe by the close of clamp and clamping plate, but when steel pipe connecting combination is carried out, steel pipe needs to be sleeved into connecting hole for positioning, and steel pipe positioning usually needs to punch steel pipe, which affects the comprehensive strength of steel pipe fixation, at the same time, the positioning of steel pipe is difficult to position calibration, increases the difficulty and inconvenience of steel pipe clamping connection, and the fixed steel pipe is easy to shake and loosen when fixed by clamp, thereby affecting the stability of structure fixation. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of high-strength building steel pipe connecting piece to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-strength building steel pipe connecting piece, including connecting piece main body and steel pipe main body, the both sides of connecting piece main body are equipped with mounting plate, and the inner side of mounting plate and connecting piece main body is equipped with steel pipe connecting hole, the inner side of two groups of mounting plate and connecting piece main body is respectively equipped with four groups of clamping slots, and same side four groups of clamping slots are cross-shaped structure and are equipped in the outer side of steel pipe connecting hole.
[0007] The steel pipe body is two groups, two groups of the steel pipe body are inserted in the inner side of the steel pipe connecting hole, the four corners of the outer wall of two groups of the steel pipe body are welded with the plug, and the plug is matched with the clamping groove, the inside of two groups of the plug is provided with the fixed clamping hole, the inside of another two groups of the plug is provided with the positioning clamping hole, the both sides of the inside bottom of the connecting piece body are respectively sleeved with the U-shaped positioning rod and the spring elastically connected with the U-shaped positioning rod, the U-shaped positioning rod is inserted and positioned with two groups of the positioning clamping hole, the top of the inside of the connecting piece body is sleeved with the U-shaped fixed plate, and the U-shaped fixed plate is inserted and fixed with the fixed clamping hole, the inside of the U-shaped fixed plate is sleeved with the fixed bolt, and the fixed bolt is screwed with the connecting piece body, and the top of two groups of the mounting plate is provided with the steel pipe fixing mechanism.
[0008] Preferably, the steel pipe fixing mechanism comprises a movable plate, the movable plate is two groups, the top of two groups of the mounting plate is sleeved with the movable plate, and the bottom of two groups of the movable plate is provided with a steel pipe fastener, and the steel pipe fastener is clamped and fixed with the steel pipe body.
[0009] Preferably, the top of the inside of the connecting piece body is provided with a threaded hole, and the threaded hole is screwed with the fixed bolt, so that the U-shaped fixed plate can be fixed.
[0010] Preferably, the inside of the U-shaped positioning rod is provided with a through hole, and the inside of the through hole is provided with a rubber sleeve, so that the U-shaped positioning rod can be pulled and moved conveniently by the provision of the through hole, and the operability of the structure is increased.
[0011] Preferably, the top of the side away from each other of two groups of the mounting plate is provided with a limiting plate, and the limiting plate is positioned with the movable plate, so that the folding angle of the movable plate is limited by the provision of the limiting plate.
[0012] Preferably, the four groups of plugs on the outer side of two groups of the steel pipe body are welded in a cross-shaped structure and are inserted and spliced with the clamping groove and the steel pipe connecting hole, so that the splicing and positioning of the steel pipe structure are facilitated, and the fixing strength of the connection is increased.
[0013] Preferably, the U-shaped fixed plate extends to the inside of the connecting piece body and one group of the fixed clamping hole respectively, the U-shaped positioning rod extends to the inside of the connecting piece body and another group of the clamping groove respectively, the inside of the U-shaped fixed plate is provided with a positioning screw hole, and the fixed bolt is fixedly matched with the positioning screw hole, so that the inserted steel pipe can be accurately fixed, and loosening is avoided.
[0014] Preferably, the steel pipe fastener is composed of two groups of arc-shaped clamping plates, and the arc-shaped clamping plates are movably arranged at the bottom of the movable plate and are fixedly attached to the outer wall of the steel pipe body, so that the steel pipe can be fixed again by the provision of the steel pipe fastener.
[0015] The high-strength building steel pipe connecting piece disclosed by the utility model has at least the following beneficial effects:
[0016] 1、Through the cross-shaped card slot which is symmetrically opened in the connecting piece body and the mounting plate matches with the cross-shaped plug-in block structure which is pre-welded on the outer wall of the steel pipe body, it is easy to quickly insert and position during the steel pipe connecting operation, increase the calibration function during the steel pipe connecting, and through the clamping splicing of the four groups of card slots and plug-in blocks on the two sides, the stress area of the connected steel pipe is expanded, and the precision and fixing strength of the steel pipe insertion connection are improved.
[0017] 2、Through the positioning card hole and the fixed card hole which are pre-set in the plug-in block for positioning, when the steel pipe is completely inserted into the inside of the connecting piece body, the steel pipe is pre-positioned through the U-shaped positioning rod, and the two groups of connected steel pipes are fixedly connected through the U-shaped fixed plate, so that the steel pipe connecting and fixing work is realized, and after the two groups of steel pipes are fixed once, the steel pipe fastener is clamped into the outer wall of the connected steel pipe through the folding adjustment of the movable plate, the steel pipe is positioned for the second time, and the fixing effect of the steel pipe connection is further increased. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the perspective view of the utility model;
[0019] Figure 2 It is the front view of the utility model;
[0020] Figure 3 It is the first side view of the mounting plate of the utility model;
[0021] Figure 4 It is the second side view of the mounting plate of the utility model.
[0022] In the drawing: 1, connecting piece body; 2, mounting plate; 3, card slot; 4, plug-in block; 5, steel pipe body; 6, steel pipe fastener; 7, movable plate; 8, U-shaped fixed plate; 9, U-shaped positioning rod; 10, spring; 11, positioning card hole; 12, fixed bolt; 13, fixed card hole. DETAILED DESCRIPTION
[0023] The technical scheme 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] Please refer to Figures 1-4The utility model provides an embodiment: a high strength building steel pipe connecting piece, connecting piece main part 1 and steel pipe main body 5 are included to the both sides of connecting piece main part 1 are installed mounting panel 2, and the inside of mounting panel 2 and connecting piece main part 1 is equipped with steel pipe connecting hole, and the inside of two groups of mounting panel 2 and connecting piece main part 1 is equipped with four groups of clamping slot 3 respectively, and four groups of clamping slot 3 of same side are cross -shaped structure and are equipped in the outside of steel pipe connecting hole,
[0025] Steel pipe main body 5 is two groups, and two groups of steel pipe main body 5 are inserted in the inside of steel pipe connecting hole, and four corners of the outer wall of two groups of steel pipe main body 5 are welded with the insertion block 4, and the insertion block 4 is inserted with the clamping slot 3 and adapts, and four groups of insertion block 4 of the outside of two groups of steel pipe main body 5 are cross -shaped structure and are welded with clamping slot 3 and steel pipe connecting hole and are inserted with splicing, and the splicing and positioning of steel pipe structure are convenient, and the fixed strength of connection is increased, and the inside of two groups of insertion block 4 is equipped with fixed clamping hole 13, and the inside of another two groups of insertion block 4 is equipped with positioning clamping hole 11, and the both sides of the inside bottom of connecting piece main part 1 are respectively equipped with U type positioning rod 9 and the spring 10 of the elastic connection with U type positioning rod 9, and U type positioning rod 9 is inserted with two groups of positioning clamping hole 11 and is positioned, and the top of the inside of connecting piece main part 1 is equipped with U type fixed plate 8, and U type fixed plate 8 is inserted with fixed clamping hole 13 and is fixed, and the inside of U type fixed plate 8 is equipped with fixed bolt 12, and fixed bolt 12 is screwed with connecting piece main part 1, and the top of two groups of mounting panel 2 is equipped with steel pipe fixing mechanism, and the top of the inside of connecting piece main part 1 is equipped with threaded hole, and threaded hole is screwed with fixed bolt 12, and it is convenient to fixed U type fixed plate 8 is fixed;
[0026] The inside of U type positioning rod 9 is equipped with through -opening, and the inside of through -opening is equipped with rubber sleeve, and it is convenient to utilize the setting of through -opening, and it is convenient to pull U type positioning rod 9 and move, and the operability of structure is increased;
[0027] Steel pipe fixing mechanism includes movable plate 7, movable plate 7 is two groups, and the top of two groups of mounting panel 2 is equipped with movable plate 7, and the bottom of two groups of movable plate 7 is equipped with steel pipe fastener 6, and steel pipe fastener 6 is clamped with steel pipe main body 5, and the top of the side of mutual distance of two groups of mounting panel 2 is equipped with limit plate, and limit plate is positioned with movable plate 7, and through the setting of limit plate, the folding angle of movable plate 7 is positioned, and steel pipe fastener 6 is composed of two groups of arc clamps, and arc clamps are movably arranged at the bottom of movable plate 7 and are fixed with the outer wall of steel pipe main body 5, and it is convenient to utilize the setting of steel pipe fastener 6, and the steel pipe is fixed secondly.
[0028] Embodiment 1, as Figures 1-4As shown, the steel pipe fixing mechanism includes movable plates 7, the movable plates 7 are two groups, the top of the two groups of mounting plates 2 is sleeved with the movable plates 7, the bottom of the two groups of movable plates 7 is provided with steel pipe fasteners 6, and the steel pipe fasteners 6 are clamped and fixed with the steel pipe body 5. By overturning adjustment of the two groups of movable plates 7, it is convenient to overturn the movable plates 7 to 90° after the steel pipe body 5 is inserted and connected with the connector body 1 and the mounting plate 2, and then the steel pipe body 5 is clamped by the steel pipe fastener 6 below the movable plate 7, so as to fix the steel pipe for the second time, and further improve the fixing effect of the steel pipe connection.
[0029] As shown in Embodiment 2, Figures 1-2 As shown, the U-shaped fixing plate 8 extends into the connector body 1 and one group of fixed clamping holes 13 respectively, the U-shaped positioning rod 9 extends into the connector body 1 and the other group of clamping grooves 3 respectively, the inside of the U-shaped fixing plate 8 is provided with a positioning screw hole, the fixed bolt 12 is fixedly matched with the positioning screw hole, the U-shaped positioning rod 9 is used for pre-positioning the positioning clamping hole 11 in the connector body 1 and the two groups of insertion blocks 4 respectively, so as to ensure that the connection of the two groups of steel pipes is fixed, then the U-shaped fixing plate 8 is used for inserting and fixing the connector body 1 and the other two groups of insertion blocks 4 in the fixed clamping hole 13 respectively, and the U-shaped fixing plate 8 is fixed by the fixed bolt 12, so as to fixedly connect the two groups of steel pipes.
[0030] Working principle: in the high-strength building steel pipe connector,
[0031] When the steel pipe connection combination operation is performed, four groups of insertion blocks 4 are pre-welded on the outer wall of the steel pipe, and when splicing, the four groups of insertion blocks 4 are clamped into the four groups of clamping grooves 3 matched with each other, and then a cross-shaped clamping structure is arranged on the outer wall of the steel pipe body 5 to assist splicing, during which the U-shaped positioning rod 9 is pulled to drive the spring 10 to elastically stretch and contract, when the two groups of steel pipe bodies 5 drive the insertion blocks 4 below to be clamped into the clamping grooves 3 and inserted and positioned, the stretching of the U-shaped positioning rod 9 can be cancelled, the elastic restoring force of the spring 10 is used to reset the U-shaped positioning rod 9, and the U-shaped positioning rod 9 is clamped into the positioning clamping hole 11 in the two groups of insertion blocks 4, so as to pre-position the steel pipe structure, then the U-shaped fixing plate 8 is clamped into the fixed clamping hole 13 in the top of the other two groups of insertion blocks 4, and the U-shaped fixing plate 8 is fixed by the fixed bolt 12, so as to realize accurate fixing operation of the connection of the two groups of steel pipe bodies 5, and cooperate with the cross-shaped structure of the clamping groove 3 and the insertion block 4 and the U-shaped fixing structure of the U-shaped positioning rod 9 and the U-shaped fixing plate 8 on the upper and lower surfaces, so as to greatly improve the connection strength of the steel pipe fixing, and the insertion splicing and the fixing structure welded on the outer wall of the steel pipe not only will not damage the steel pipe itself, but also will improve the tightness and stress area of the steel pipe connection, and further improve the fixing effect.
[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that the present application can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.
[0033] In the description of the present application, unless otherwise specified and limited, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.
[0034] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For a person skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
Claims
1. A high-strength building steel pipe connector, comprising a connector body (1) and a steel pipe body (5), characterized in that: Mounting plates (2) are installed on both sides of the main body (1) of the connector, and steel pipe connection holes are opened on the inner side of the mounting plates (2) and the main body (1) of the connector. Four sets of slots (3) are opened in the interior of the two sets of mounting plates (2) and the main body (1) of the connector respectively, and the four sets of slots (3) on the same side are opened in a cross shape on the outside of the steel pipe connection holes. The steel pipe body (5) consists of two sets, which are inserted into the inner side of the steel pipe connecting hole. Insert blocks (4) are welded to the four corners of the outer wall of the two sets of steel pipe bodies (5), and the insert blocks (4) fit into the slots (3). Fixing holes (13) are opened inside the two sets of insert blocks (4), and positioning holes (11) are opened inside the other two sets of insert blocks (4). U-shaped positioning rods (9) and U-shaped... The positioning rod (9) is elastically connected to the spring (10). The U-shaped positioning rod (9) is inserted into two sets of positioning holes (11) for positioning. The top of the connector body (1) is fitted with a U-shaped fixing plate (8), and the U-shaped fixing plate (8) is inserted into the fixing hole (13) for fixing. The inside of the U-shaped fixing plate (8) is fitted with a fixing bolt (12), and the fixing bolt (12) is threadedly connected to the connector body (1). The top of the two sets of mounting plates (2) is provided with a steel pipe fixing mechanism.
2. The high-strength building steel pipe connector according to claim 1, characterized in that: The steel pipe fixing mechanism includes a movable plate (7), which consists of two sets. The top of the two sets of mounting plates (2) is fitted with the movable plate (7), and the bottom of the two sets of movable plates (7) is provided with steel pipe fasteners (6), which are clamped and fixed to the steel pipe body (5).
3. A high-strength building steel pipe connector according to claim 1, characterized in that: The top of the connector body (1) is provided with a threaded hole, and the threaded hole is threadedly connected to the fixing bolt (12).
4. A high-strength building steel pipe connector according to claim 1, characterized in that: The U-shaped positioning rod (9) has an opening inside, and a rubber sleeve is provided on the inner side of the opening.
5. A high-strength building steel pipe connector according to claim 1, characterized in that: Limiting plates are installed on the top of the two sets of mounting plates (2) on opposite sides, and the limiting plates are fitted and positioned with the movable plate (7).
6. A high-strength building steel pipe connector according to claim 1, characterized in that: The four sets of insert blocks (4) on the outside of the two sets of steel pipe bodies (5) are welded in a cross shape and are inserted and spliced with the slot (3) and the steel pipe connection hole.
7. A high-strength building steel pipe connector according to claim 2, characterized in that: The U-shaped fixing plate (8) extends into the interior of the connector body (1) and a set of fixing holes (13), the U-shaped positioning rod (9) extends into the interior of the connector body (1) and another set of slots (3), the U-shaped fixing plate (8) has a positioning screw hole inside, and the fixing bolt (12) is fixedly engaged with the positioning screw hole.
8. A high-strength building steel pipe connector according to claim 2, characterized in that: The steel pipe fastener (6) consists of two sets of arc-shaped clamps, and the arc-shaped clamps are movably set at the bottom of the movable plate (7) and are attached and fixed to the outer wall of the steel pipe body (5).
Citation Information
Patent Citations
Steel pipe connecting piece
CN221664236U