High-strength butt-joint metal fastener

Abstract

The utility model discloses a high-strength butt-joint metal fastener, and relates to the technical field of metal fasteners. Positioning plates are fixedly arranged at the two ends of each connecting plate, fixing pieces are fixedly connected to the outer cylindrical surfaces of the middles of the two internal thread sleeves in a sleeved mode, threaded holes are formed in the middles of the two connecting plates, and hexagon socket screws are screwed into the two threaded holes. And rotating rings are fixedly arranged in the middles of the sides, deviating from each other, of the two fixing pieces, one end of each hexagon socket screw is rotationally clamped in the corresponding rotating ring, limiting grooves are formed in the middles of the adjacent ends of the two fixing blocks, and the two round rods evenly rotate in the two limiting grooves. According to the high-strength butt-joint metal fastener, the four positioning plates with the cambered surfaces arranged on one sides are arranged, and then the positions of the four positioning plates are adjusted in cooperation with the internal thread sleeves, the fixing pieces, the rotating rings, the hexagon socket screws, the threaded holes, the round rods and the threads, so that the high-strength butt-joint metal fastener can be used for butt joint of round pipes and square pipes, and the use limitation of the high-strength butt-joint metal fastener is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal fasteners, in particular to a high-strength butt-jointed metal fastener. Background Art

[0002] Butt fasteners are a type of connector that can connect components of different shapes. They are mainly made of steel with high structural strength. They have a strong and stable connection and come in a variety of shapes. They are often used in the fields of construction, machinery, and electrical engineering to connect two components:

[0003] The existing Chinese patent publication number is CN214402716U, which is a high-strength butt metal fastener: "It includes a metal fastener body, four of which are provided, a hinge is installed in the middle of two adjacent metal fastener bodies, and the four metal fastener bodies are movably connected to each other through hinges, a connecting pipe is installed inside the metal fastener body, and both ends of the four metal fastener bodies are provided with limit clamps, and a positioning block is installed between two adjacent limit clamps. A connecting sleeve is installed at the lower end of the positioning block, and a reinforcing pressure ring is installed at the lower end of the connecting sleeve. Four reinforcing pressure rings are provided, and the inner surfaces of the four reinforcing pressure rings are provided with anti-slip pads, and the lower ends of the four reinforcing pressure rings are installed with positioning nails, and the reinforcing pressure rings are clamped with the connecting pipe through the positioning nails, and a fixed sleeve is installed on the inner side of the metal fastener body, and a limit spring is installed inside the fixed sleeve, and a sliding pressure rod is installed at one end of the limit spring, and the sliding pressure rod extends to the outside of the fixed sleeve and is clamped with the positioning block";

[0004] It can only butt-joint circular tubular components, but cannot butt-joint square tubes, which results in high limitations in its use.

[0005] Therefore, the existing butt-jointed metal fasteners cannot meet the needs in actual use, so there is an urgent need for improved technology in the market to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a high-strength butt-jointed metal fastener, which solves the problem that only circular tubular components can be butt-jointed butt-jointed square tubes cannot be butt-jointed, thereby resulting in a high limitation in its use, by arranging four positioning plates with an arc surface on one side, and then cooperating with an internal threaded sleeve, a fixing piece, a rotating ring, an internal hexagonal bolt, a threaded hole, a round rod, and a thread to adjust the positions of the four positioning plates.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses a high-strength butt-jointed metal fastener, comprising a connecting plate with positioning plates fixed at both ends, two internally threaded sleeves with fixing members sleeved and fixed on the middle outer cylindrical surface, two fixing blocks and two round rods, threaded holes are opened in the middle of the two connecting plates, and hexagon socket bolts are screwed in the two threaded holes, and a rotating ring is fixed in the middle of the two fixing members on the opposite sides, one end of the hexagon socket bolt is rotatably clamped in the inside of the rotating ring, and a U-shaped structure is formed by the connection plate and the positioning plate. Compared with the fully surrounded structure, it is easy to operate when the parts are butt-jointed, and the fixing member and the internally threaded sleeve are pushed to move by the threaded hole and the hexagon socket bolt to complete the butt-jointing, and the position of the hexagon socket bolt is limited and fixed by the rotating ring to prevent the hexagon socket bolt from separating from the fixing member;

[0009] A limiting groove is provided in the middle of one adjacent end of the two fixing blocks, and the two round rods rotate evenly inside the two limiting grooves. A thread is provided on the outer cylindrical surface of one adjacent end of the two round rods, and the round rod is screwed into the inner thread sleeve through the thread. The round rod is connected by the fixing block and the limiting groove, and the position of the round rod and the fixing block is adjusted by the thread and the inner thread sleeve.

[0010] Furthermore, two limiting holes are evenly arranged inside the connecting plate, and a plurality of anti-skid grooves are evenly arranged on the top of one side of the fixing block. The anti-skid grooves are convenient for increasing the friction force on the top of one side of the fixing block, so as to facilitate fixing the square tube.

[0011] Furthermore, a plurality of anti-slip rods are evenly fixed on the bottom arc surface of one side of the fixing block, and a reinforcing rod is fixed in the middle of the other side of the fixing block. The anti-slip rods are convenient for increasing the friction force of the bottom arc surface of one side of the fixing block to facilitate fixing of the round tube.

[0012] Furthermore, the reinforcing rod slides inside the limiting hole, and limiting caps are fixedly provided at the opposite ends of the two round rods. The reinforcing rod and the limiting hole are used in combination to increase the movement stability of the fixing block and the strength of the fixing block.

[0013] Furthermore, the limiting cap is rotated inside the limiting groove, and a rubber sleeve is sleeved and fixed on the outer cylindrical surface of the middle part of the round rod, and the rubber sleeve facilitates the user to rotate the round rod.

[0014] Furthermore, a limiting plate is fixedly provided at one end of the reinforcing rod, and the moving position of the reinforcing rod is limited by the cooperation of the limiting plate and the limiting hole.

[0015] The utility model has the following beneficial effects:

[0016] The utility model arranges four positioning plates with an arc surface on one side, and then cooperates with an internal threaded sleeve, a fixing piece, a rotating ring, a hexagon socket bolt, a threaded hole, a round rod, and a thread to adjust the positions of the four positioning plates, so that the high-strength butt-jointing metal fastener can butt-join round tubes and square tubes, reducing its usage limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is an exploded view of the positioning plate structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the docking structure of the utility model.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 101. Connecting plate; 102. Positioning plate; 103. Internally threaded sleeve; 104. Fixing piece; 105. Rotating ring; 106. Hexagon socket bolt; 107. Threaded hole; 108. Limiting hole; 201. Fixing block; 202. Limiting groove; 203. Round rod; 204. Thread; 205. Limiting cap; 206. Rubber sleeve; 207. Anti-skid groove; 208. Anti-skid rod; 209. Reinforcing rod; 210. Limiting plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] See also Figure 1-3 As shown, the utility model is a high-strength butt metal fastener, including a connecting plate 101 with a positioning plate 102 fixed at both ends, two internal threaded sleeves 103 with fixing members 104 sleeved and fixed on the middle outer cylindrical surface, two fixing blocks 201 and two round rods 203, threaded holes 107 are opened in the middle of the two connecting plates 101, and hexagon socket bolts 106 are screwed in the two threaded holes 107, and a rotating ring 105 is fixed in the middle of the two fixing members 104 on the opposite side. One end of the angle bolt 106 is rotatably clamped in the rotating ring 105, and a U-shaped structure is formed by the connection plate 101 and the positioning plate 102. Compared with the fully enclosed structure, it is easier to operate when docking the components. The threaded hole 107 and the hexagon socket bolt 106 are used to push the fixing piece 104 and the internal threaded sleeve 103 to move and complete the docking. The position of the hexagon socket bolt 106 is limited and fixed by the rotating ring 105 to prevent the hexagon socket bolt 106 from separating from the fixing piece 104.

[0024] A limiting groove 202 is provided in the middle of the adjacent ends of the two fixing blocks 201, and the two round rods 203 rotate evenly inside the two limiting grooves 202. A thread 204 is provided on the outer cylindrical surface of the adjacent ends of the two round rods 203. The round rod 203 is screwed into the internal threaded sleeve 103 through the thread 204. The round rod 203 is connected by the fixed block 201 and the limiting groove 202, and the position of the round rod 203 and the fixed block 201 is adjusted by the thread 204 and the internal threaded sleeve 103.

[0025] Among them Figure 2-3 As shown, two limiting holes 108 are evenly arranged inside the connecting plate 101, and a plurality of anti-skid grooves 207 are evenly arranged on the top of one side of the fixing block 201. The anti-skid grooves 207 are convenient for increasing the friction force on the top of one side of the fixing block 201, so as to fix the square tube. A plurality of anti-skid rods 208 are evenly fixed on the arc surface at the bottom of one side of the fixing block 201, and a reinforcing rod 209 is fixed in the middle of the other side of the fixing block 201. The anti-skid rod 208 is convenient for increasing the friction force on the arc surface at the bottom of one side of the fixing block 201, so as to fix the round tube. The reinforcing rod 209 slides inside the limiting hole 108, and the two A limiting cap 205 is fixedly provided at one end of each round rod 203 that is away from each other. The reinforcing rod 209 and the limiting hole 108 are used in conjunction to increase the movement stability of the fixing block 201 while increasing the strength of the fixing block 201. The limiting cap 205 rotates inside the limiting groove 202. A rubber sleeve 206 is sleeved and fixed on the outer cylindrical surface of the middle part of the round rod 203. The rubber sleeve 206 facilitates the user to rotate the round rod 203. A limiting plate 210 is fixedly provided at one end of the reinforcing rod 209. The limiting plate 210 and the limiting hole 108 are used in conjunction to limit the movement position of the reinforcing rod 209.

[0026] Working principle:

[0027] When docking the round tubes, first place the connection of the two round tubes between the two positioning plates 102, then rotate the round rod 203 along the internal threaded sleeve 103 to drive the arc surface of the fixing block 201 to fit the surface of the round tube, and finally rotate the hexagon socket bolt 106 along the threaded hole 107 to push the positioning plate 102 to squeeze and fix the round tube, and the docking and fixing is completed;

[0028] When docking square tubes, first place the connection between the two square tubes between the two positioning plates 102, then rotate the round rod 203 along the internal threaded sleeve 103 to drive the top of the fixing block 201 to fit the surface of the square tube, and finally rotate the hexagon socket bolt 106 along the threaded hole 107 to push the positioning plate 102 to squeeze and fix the square tube to complete the docking and fixing.

[0029] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A high-strength butt metal fastener, characterized in that: It comprises a connecting plate (101) with positioning plates (102) fixed at both ends, two internal threaded sleeves (103) with fixing members (104) sleeved and fixed on the middle outer cylindrical surface, two fixing blocks (201) and two round rods (203), the middle parts of the two connecting plates (101) are each provided with a threaded hole (107), and the insides of the two threaded holes (107) are each screwed with a hexagon socket bolt (106), the middle parts of the two fixing members (104) opposite to each other are each provided with a rotating ring (105), and one end of the hexagon socket bolt (106) is rotatably clamped inside the rotating ring (105); A limiting groove (202) is provided in the middle of one adjacent end of the two fixing blocks (201), and the two round rods (203) rotate evenly inside the two limiting grooves (202). A thread (204) is provided on the outer cylindrical surface of one adjacent end of the two round rods (203), and the round rods (203) are screwed into the interior of the internal thread sleeve (103) through the thread (204).

2. A high-strength butt metal fastener according to claim 1, characterized in that: Two limiting holes (108) are evenly arranged inside the connecting plate (101), and a plurality of anti-slip grooves (207) are evenly arranged on the top of one side of the fixing block (201).

3. A high-strength butt metal fastener according to claim 1, characterized in that: A plurality of anti-slip rods (208) are evenly fixed on the bottom arc surface of one side of the fixing block (201), and a reinforcing rod (209) is fixed in the middle of the other side of the fixing block (201).

4. A high-strength butt metal fastener according to claim 3, characterized in that: The reinforcing rod (209) slides inside the limiting hole (108), and limiting caps (205) are fixedly provided at opposite ends of the two round rods (203).

5. A high-strength butt metal fastener according to claim 4, characterized in that: The limiting cap (205) rotates inside the limiting groove (202), and a rubber sleeve (206) is sleeved and fixed on the outer cylindrical surface in the middle of the round rod (203).

6. A high-strength butt metal fastener according to claim 4, characterized in that: A limiting plate (210) is fixedly provided at one end of the reinforcing rod (209).

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