Steel bar straight thread connecting structure

Abstract

The utility model discloses a reinforcing steel bar straight thread connection structure which comprises reinforcing steel bars and a sleeve, the number of the reinforcing steel bars is two, the opposite ends of the two reinforcing steel bars are fixedly provided with external thread rods respectively, the sleeve is located between the two reinforcing steel bars, the two sides in the sleeve are fixedly provided with first internal thread ferrules respectively, and the external thread rods are inserted into the first internal thread ferrules in a threaded mode. A limiting mechanism is fixedly arranged at the middle position in the sleeve and comprises a limiting block, the limiting block is vertically and fixedly arranged in the sleeve, limiting screw holes are formed in the two sides of the limiting block correspondingly, the end, away from the reinforcing steel bar, of the external threaded rod is inserted into the limiting screw holes in a threaded mode, a through hole is formed in the limiting block, and the through hole communicates with the limiting screw holes; the high-strength steel bar straight thread connecting structure solves the problems that according to an existing high-strength steel bar straight thread connecting structure, the clamping lengths of two high-strength steel bars are prone to being inconsistent, the high-strength steel bars which are clamped short are prone to disengaging, and the connecting firmness is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar straight thread connection, in particular to a steel bar straight thread connection structure. Background Art

[0002] High-strength steel bar straight thread connection can be widely used in various directions of HRB400, HRB500 steel bars with diameters of 12~50mm, such as horizontal, vertical and circular connections of large diameter and different diameter steel bars, connections of bent steel bars and extra-long horizontal steel bars, butt joints between two or more fixed steel bars, connections between steel structure steel columns and main bars of concrete beams, etc.

[0003] When high-strength steel bars are used, it is often necessary to connect them, and thus it is necessary to use high-strength steel bar straight thread connection equipment. High-strength steel bar straight thread connection equipment basically has the advantages of light weight, firm structure, and long service life, and can meet the use requirements of high-strength steel bar connection work. However, the existing high-strength steel bar straight thread connection structure is prone to inconsistent clamping lengths of two high-strength steel bars, resulting in the shorter clamped high-strength steel bar being easily disengaged, reducing the firmness of the connection. Therefore, the utility model proposes a steel bar straight thread connection structure to solve the above problem. Utility Model Content

[0004] In view of the defects of the above-mentioned prior art, the purpose of the utility model is to provide a steel bar straight thread connection structure.

[0005] To achieve the above-mentioned purpose, the utility model provides a steel bar straight thread connection structure, including a steel bar and a sleeve, wherein two steel bars are provided, and external threaded rods are fixedly provided at opposite ends of the two steel bars, the sleeve is located between the two steel bars, and first internal threaded rings are fixedly provided on both sides of the sleeve, the external threaded rod is threadedly inserted in the first internal threaded ring, and a limiting mechanism is fixedly provided in the middle position of the sleeve, and the limiting mechanism includes a limiting block, the limiting block is vertically fixed in the sleeve, and limiting screw holes are respectively provided on both sides of the limiting block, one end of the external threaded rod away from the steel bar is threadedly inserted in the limiting screw hole, and a through hole is provided inside the limiting block, the through hole is communicated with the limiting screw hole, and the aperture of the through hole is smaller than the aperture of the limiting screw hole.

[0006] Furthermore, second internally threaded collars are fixedly provided at both ends of the sleeve, and the second internally threaded collars are threadedly sleeved on the externally threaded rod.

[0007] Furthermore, the outer wall of the second internally threaded ring is provided with a plurality of positioning and reinforcing mechanisms in an annular shape. The positioning and reinforcing mechanisms include a positioning screw, the positioning screw is threadably matched with the second internally threaded ring, and the externally threaded rod is fixed by tightening the positioning screw.

[0008] Furthermore, a stop block is rotatably provided at the bottom end of the external threaded rod, and a rubber pad is fixedly provided at the bottom of the stop block.

[0009] Furthermore, a rotating block is fixedly provided on the top of the positioning screw, and a cross-shaped rotating clamping hole is opened on the top of the rotating block.

[0010] Furthermore, the positioning and reinforcement mechanism also includes a protective groove, and the rotating block is located in the protective groove.

[0011] Furthermore, a rotating shaft is rotatably provided at the bottom end of the externally threaded rod, and one end of the rotating shaft away from the externally threaded rod is fixedly connected to the stop block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the first internal threaded ring, the limit block and the limit screw hole and other structures, the two are respectively fixed on both sides of the first internal threaded ring, and the opposite ends of the two steel bars are respectively fixed with external threaded rods, which are threadedly inserted in the first internal threaded ring, and at the same time, the end of the external threaded rod away from the steel bar is threadedly inserted in the limit screw hole. The limit screw hole can limit the depth of the high-strength steel bar, ensuring that the clamping length of the two high-strength steel bars is consistent, solving the problem that the existing high-strength steel bar straight thread connection structure is prone to inconsistent clamping lengths of the two high-strength steel bars, resulting in the high-strength steel bar with a shorter clamping being easily disengaged, thereby reducing the connection firmness;

[0014] 2. By setting up the second internally threaded ring, positioning screw, rotating block, rotating shaft, stop block and rubber pad and other structures, the second internally threaded ring is threadedly sleeved on the externally threaded rod, and the rotating block is tightened downward. The rotating block drives the positioning screw to move downward. Under the action of the rubber pad, the positioning screw can fix the externally threaded rod in the second internally threaded ring, which can play a role in limiting and fixing the steel bars, preventing the connection between the two high-strength steel bars from loosening after being connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments of the utility model. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is the front view provided by the utility model;

[0017] Figure 2 It is a cross-sectional view provided by the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the limiting mechanism provided by the utility model;

[0019] Figure 4 yes Figure 2 A magnified view of part A in FIG.

[0020] Description of reference numerals:

[0021] 1. Steel bar; 2. Externally threaded rod; 3. Second internally threaded ferrule; 4. Casing; 5. First internally threaded ferrule; 6. Limiting mechanism; 61. Limiting block; 62. Limiting screw hole; 63. Through hole; 7. Positioning reinforcement mechanism; 71. Protective groove; 72. Rotating block; 73. Positioning screw; 74. Rubber pad; 75. Rotating shaft; 76. Stop block; 8. Cross-shaped rotating clamp hole. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0023] The terms "including" and "having" and any variations thereof in the specification and claims of the present utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present utility model or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order.

[0024] See also Figure 1-4A steel bar straight thread connection structure includes a steel bar 1 and a sleeve 4. The steel bar 1 is provided with two, and the opposite ends of the two steel bars 1 are respectively fixedly provided with external threaded rods 2. The sleeve 4 is located between the two steel bars 1. The sleeve 4 is respectively fixedly provided with first internal threaded rings 5 ​​on both sides. The external threaded rod 2 is threadedly inserted in the first internal threaded ring 5. A limiting mechanism 6 is fixedly provided in the middle position of the sleeve 4. The limiting mechanism 6 includes a limiting block 61. The limiting block 61 is vertically fixedly provided in the sleeve 4. Limited screw holes 62 are respectively provided on both sides of the limiting block 61. One end of the external threaded rod 2 away from the steel bar 1 is threadedly inserted in the limited screw hole 62. A through hole 63 is provided inside the limiting block 61. The through hole 63 is communicated with the limited screw hole 62. The hole of the through hole 63 The diameter is smaller than the aperture of the limiting screw hole 62. Through the first internal threaded ring 5, the limiting block 61 and the limiting screw hole 62 and other structures, the two are respectively fixed on both sides of the first internal threaded ring 5. The opposite ends of the two steel bars 1 are respectively fixed with external threaded rods 2, and the external threaded rods 2 are threadedly inserted in the first internal threaded ring 5. At the same time, the end of the external threaded rod 2 away from the steel bar 1 is threadedly inserted in the limiting screw hole 62. The limiting screw hole 62 can limit the depth of the high-strength steel bar to ensure that the clamping length of the two high-strength steel bars is consistent, which solves the problem that the existing high-strength steel bar straight thread connection structure is prone to inconsistent clamping lengths of the two high-strength steel bars, resulting in the high-strength steel bar with a shorter clamping being easily disengaged, thereby reducing the connection firmness.

[0025] As an improvement of the above technical solution, the two ends of the sleeve 4 are respectively fixed with a second internally threaded ring 3, the second internally threaded ring 3 is threadedly sleeved on the externally threaded rod 2, and the outer wall of the second internally threaded ring 3 is annularly provided with a plurality of positioning reinforcement mechanisms 7, the positioning reinforcement mechanism 7 includes a positioning screw 73, the positioning screw 73 is threadedly matched with the second internally threaded ring 3, the externally threaded rod 2 is fixed by tightening the positioning screw 73, a stop block 76 is rotatably provided at the bottom end of the externally threaded rod 2, a rubber pad 74 is fixedly provided at the bottom of the stop block 76, a rotating block 72 is fixedly provided at the top of the positioning screw 73, a cross-shaped rotating clamping hole 8 is provided at the top of the rotating block 72, and the positioning reinforcement mechanism 7 also includes a protective groove 71, the rotating block 72 is located in the protective groove 71, and a rotating shaft 75 is rotatably set at the bottom end of the externally threaded rod 2. The end of the rotating shaft 75 away from the externally threaded rod 2 is fixedly connected to the stop block 76. Through the second internally threaded ring 3, positioning screw 73, rotating block 72, rotating shaft 75, stop block 76 and rubber pad 74 and other structures, the second internally threaded ring 3 is threadedly sleeved on the externally threaded rod 2, and the rotating block 72 is tightened downward. The rotating block 72 drives the positioning screw 73 to move downward. Under the action of the rubber pad 74, the positioning screw 73 can fix the externally threaded rod 2 in the second internally threaded ring 3, which can play a role in limiting and fixing the steel bar, and prevent the connection between the two high-strength steel bars from loosening after being connected.

[0026] Working principle and usage of the utility model:

[0027] When in use, the two are respectively fixed on both sides of the first internal threaded ring 5, and the opposite ends of the two steel bars 1 are respectively fixed with external threaded rods 2, which are threadedly inserted in the first internal threaded ring 5. At the same time, the end of the external threaded rod 2 away from the steel bar 1 is threadedly inserted in the limiting screw hole 62. The limiting screw hole 62 can limit the depth of the high-strength steel bar to ensure that the clamping lengths of the two high-strength steel bars are consistent. The second internal threaded ring 3 is threadedly sleeved on the external threaded rod 2, and the rotating block 72 is tightened downward. The rotating block 72 drives the positioning screw 73 to move downward. Under the action of the rubber pad 74, the positioning screw 73 can fix the external threaded rod 2 in the second internal threaded ring 3, which can limit and fix the steel bar to prevent the connection between the two high-strength steel bars from loosening after the two high-strength steel bars are connected.

[0028] The above description is only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the utility model, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the utility model.

Claims

1. A steel bar straight thread connection structure, characterized in that: The invention comprises a steel bar (1) and a sleeve (4), wherein two steel bars (1) are provided, and external threaded rods (2) are fixedly provided at opposite ends of the two steel bars (1), and the sleeve (4) is located between the two steel bars (1), and first internal threaded rings (5) are fixedly provided on both sides of the sleeve (4), and the external threaded rod (2) is threadedly inserted in the first internal threaded ring (5), and a limiting mechanism (6) is fixedly provided at the middle position of the sleeve (4), and the limiting mechanism (6) comprises A limit block (61), the limit block (61) is vertically fixed in the sleeve (4), and limit screw holes (62) are respectively provided on both sides of the limit block (61), and one end of the external threaded rod (2) away from the steel bar (1) is threadedly inserted in the limit screw hole (62), and a through hole (63) is provided inside the limit block (61), and the through hole (63) is communicated with the limit screw hole (62), and the aperture of the through hole (63) is smaller than the aperture of the limit screw hole (62).

2. A steel bar straight thread connection structure according to claim 1, characterized in that: Second internal threaded collars (3) are fixedly provided at both ends of the sleeve (4), and the second internal threaded collar (3) is threadedly sleeved on the external threaded rod (2).

3. A steel bar straight thread connection structure according to claim 2, characterized in that: The outer wall of the second internally threaded ring (3) is provided with a plurality of positioning and reinforcing mechanisms (7) in an annular shape. The positioning and reinforcing mechanisms (7) include a positioning screw (73). The positioning screw (73) is threadably matched with the second internally threaded ring (3). The externally threaded rod (2) is fixed by tightening the positioning screw (73).

4. A steel bar straight thread connection structure according to claim 3, characterized in that: A stop block (76) is rotatably provided at the bottom end of the external threaded rod (2), and a rubber pad (74) is fixedly provided at the bottom of the stop block (76).

5. A steel bar straight thread connection structure according to claim 4, characterized in that: A rotating block (72) is fixedly arranged on the top of the positioning screw (73), and a cross-shaped rotating clamping hole (8) is opened on the top of the rotating block (72).

6. A steel bar straight thread connection structure according to claim 5, characterized in that: The positioning and reinforcing mechanism (7) further comprises a protection groove (71), and the rotating block (72) is located in the protection groove (71).

7. A steel bar straight thread connection structure according to claim 6, characterized in that: A rotating shaft (75) is rotatably provided at the bottom end of the externally threaded rod (2), and one end of the rotating shaft (75) away from the externally threaded rod (2) is fixedly connected to the stop block (76).

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