High-strength steel bar straight thread connecting device

Abstract

The utility model relates to the field of steel bar connection, and discloses a high-strength steel bar straight thread connecting device which comprises a fixed round block, elastic clamping plates are fixedly connected to the left side and the right side of the fixed round block, external thread grooves are formed in the periphery of the fixed round block and the peripheries of the elastic clamping plates, and lock catch nuts are in threaded connection with the interiors of the external thread grooves. A baffle is fixedly connected to one end of the outer side of the elastic clamping plate, rotating assemblies are fixedly connected to the left side and the right side of the fixed round block, and threaded sleeves are fixedly connected to the outer sides of the rotating assemblies. According to the device, the elastic clamping plate, the lock catch nut and the rotating round block are arranged, the elastic clamping plate naturally tilts, the hexagonal-prism-shaped threaded sleeve can freely rotate, a reinforcing steel bar is fastened on the threaded sleeve, and then the threaded sleeve is clamped by the elastic clamping plate by rotating the lock catch nut; and therefore, the reinforcing steel bar can be screwed on the threaded sleeve without using a bolt and rotating the reinforcing steel bar, and the use is relatively convenient.

Description

Technical Field

[0001] The utility model relates to the field of steel bar connection, in particular to a high-strength steel bar straight thread connection device. Background Art

[0002] Steel bar straight thread connection is a construction method that connects two steel bars together by straight thread connection. It uses the mechanical bite of the straight thread to firmly connect the two steel bars together. This connection method has high strength, high stability and durability, and is widely used in various construction projects. The current steel bar straight thread connection uses a threaded sleeve to connect two steel bars together. When connecting, it is necessary to first thread the threaded sleeve onto the first steel bar, and then rotate the second steel bar to fix it. However, generally speaking, the steel bars that need to be connected are relatively long, and it is troublesome to directly rotate the steel bars.

[0003] After searching, Chinese patent announcement number: CN218406075U discloses a steel bar straight thread connection device, including a first joint and a second joint, one end of the first joint is provided with a first threaded blind hole, the first threaded blind hole is used to be threadedly connected to the straight thread on one end of one of the steel bars, one end of the second joint is provided with a second threaded blind hole, the second threaded blind hole is used to be threadedly connected to the straight thread on one end of another steel bar; the other end of the first joint is fixed to the other end of the second joint by a fastening structure, and the first threaded blind hole and the second threaded blind hole are coaxially arranged; when using the utility model, the first joint and the second joint located inside the utility model can be threadedly connected to one end of two adjacent steel bars respectively, and then the first joint and the second joint can be fixed by the fastening structure to realize the cascading of the two steel bars, that is, in the above process, there is no need to rotate the steel bars, which can facilitate the cascading of the two adjacent steel bars.

[0004] Although the device can connect two steel bars together without rotating the steel bars, in actual use, after the two sets of joints are connected to the steel bars, they need to be fixed with multiple sets of bolts. Not only is the fixing and installation more troublesome, but also a large number of bolts need to be prepared for secondary connection during the fixing process, which is costly. Therefore, a high-strength steel bar straight thread connection device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a high-strength steel bar straight thread connection device, which aims to improve the problems of directly rotating the steel bar connection thread sleeve in the prior art and being more troublesome to use.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-strength steel bar straight thread connection device, including a fixed round block, elastic clamps are fixedly connected to the left and right sides of the fixed round block, external thread grooves are provided on the outer periphery of the fixed round block and the outer periphery of the elastic clamp, a locking nut is threadedly connected to the inner part of the external thread groove, a baffle is fixedly connected to one end of the outer side of the elastic clamp, rotating components are fixedly connected to the left and right sides of the fixed round block, a threaded sleeve is fixedly connected to the outer side of the rotating component, and an internal thread groove is provided inside the threaded sleeve.

[0007] As a further description of the above technical solution:

[0008] A clamping block is fixedly connected to the inner side of the elastic clamping plate, an outer side of the clamping block is arranged as an inclined surface, and a clamping groove is arranged on the outer periphery of the threaded sleeve.

[0009] As a further description of the above technical solution:

[0010] The rotating assembly comprises a connecting block, a rotating circular groove is provided inside the connecting block, a rotating circular block is rotatably connected inside the rotating circular groove, and the outer side of the rotating circular block is fixedly connected to the inner side of the threaded sleeve.

[0011] As a further description of the above technical solution:

[0012] The connection block and the threaded sleeve are both hexagonal in shape and have the same cross section, and the outer side of the connection block is in contact with the inner side of the threaded sleeve.

[0013] As a further description of the above technical solution:

[0014] The inner side of the elastic clamping plate contacts the outer wall of the connecting block, and the inner side of the elastic clamping plate contacts the outer wall of the threaded sleeve.

[0015] As a further description of the above technical solution:

[0016] The inner side of the baffle is in contact with the outer side of the locking nut.

[0017] As a further description of the above technical solution:

[0018] The outer periphery of the clamping block is clamped in the inner part of the clamping slot.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, by arranging an elastic clamp, a locking nut and a rotating round block, the elastic clamp is naturally tilted, and the hexagonal threaded sleeve can be rotated freely, so that the steel bar is fastened to the threaded sleeve, and then the locking nut is rotated to make the elastic clamp clamp the threaded sleeve, so that the steel bar can be screwed on the threaded sleeve without using bolts and rotating the steel bar, which is more convenient to use.

[0021] 2. In the utility model, by providing a clamping block and a clamping groove, the locking nut is rotated to engage the clamping block and the clamping groove. When the steel bar is subjected to radial pressure, the clamping block increases the connection area with the threaded sleeve, thereby improving the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is an overall front view schematic diagram of a high-strength steel bar straight thread connection device proposed by the utility model;

[0023] Figure 2 This is a front cross-sectional schematic diagram of a fixing round block of a high-strength steel bar straight thread connection device proposed by the utility model;

[0024] Figure 3 The utility model is a schematic diagram of the top cross-section of a threaded sleeve of a high-strength steel bar straight thread connection device.

[0025] Legend:

[0026] 1. Fixed round block; 2. Elastic clamp; 3. External thread groove; 4. Locking nut; 5. Baffle; 6. Connecting block; 7. Rotating round groove; 8. Rotating round block; 9. Threaded sleeve; 10. Internal thread groove; 11. Clamp block; 12. Inclined surface; 13. Clamping groove. 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] Reference Figure 1-Figure 3The utility model provides an embodiment: a high-strength steel bar straight thread connection device, including a fixed round block 1 for connecting and fixing, the left and right sides of the fixed round block 1 are respectively fixedly connected with elastic clamps 2, each side of the elastic clamps 2 is provided with six groups, evenly distributed on the side of the fixed round block 1 to form a ring, the elastic clamps 2 and the fixed round block 1 are integrally formed, but the elastic clamps 2 have a certain elasticity and deformation ability, when not subjected to force, the outer end will bend outward, the outer periphery of the fixed round block 1 and the outer periphery of the elastic clamps 2 are provided with continuous external thread grooves 3, the external thread grooves 3 are provided with two groups, symmetrically arranged on the left and right sides of the fixed round block 1, the external thread A locking nut 4 is threadedly connected to the inner part of the groove 3. When the locking nut 4 is rotated, the locking nut 4 will move left and right on the fixed round block 1 and the elastic splint 2. When the locking nut 4 moves outward along the elastic splint 2, the outer ends of the six groups of elastic splints 2 will be deflected toward the center of the six groups of elastic splints 2 at the same time. At this time, the outer circumference of the six groups of elastic splints 2 is cylindrical, and a hexagonal groove is formed inside. A baffle 5 is fixedly connected to the outer end of the elastic splint 2 to prevent the locking nut 4 from falling out. The inner side of the baffle 5 contacts the outer side of the locking nut 4, so that the locking nut 4 can be tightened. A group of rotating components that are easy to rotate are respectively fixedly connected to the left and right sides of the fixed round block 1.

[0029] Reference Figure 1-Figure 3 The rotating assembly includes a connecting block 6, a rotating circular groove 7 is provided inside the connecting block 6, a rotating circular block 8 is rotatably connected inside the rotating circular groove 7, a threaded sleeve 9 is fixedly connected to the outside of the rotating assembly, the outer side of the rotating circular block 8 is fixedly connected to the inner side of the threaded sleeve 9, the rotating circular block 8 and the threaded sleeve 9 are integrally formed, the connecting block 6 and the threaded sleeve 9 are both hexagonal in shape and have the same cross-section, the hexagonal shape is convenient for rotation using auxiliary tools such as wrenches, and is relatively convenient to use, and the appearance of the connecting block 6 and the threaded sleeve 9 is It is adapted to the hexagonal prism-shaped groove formed after the six groups of elastic splints 2 are fixed by the locking nuts 4. The outer side of the connecting block 6 contacts the inner side of the threaded sleeve 9. The connecting block 6 allows the threaded sleeve 9 to have enough space to rotate when the elastic splint 2 is tilted. The inner side of the elastic splint 2 contacts the outer wall of the connecting block 6. The inner side of the elastic splint 2 contacts the outer wall of the threaded sleeve 9, thereby clamping the threaded sleeve 9 and preventing it from rotating. An internal thread groove 10 is provided inside the threaded sleeve 9 for convenient rotation and tightening of the steel bar.

[0030] Reference Figure 2-Figure 3 A block 11 is fixedly connected to the inner side of the elastic clamp 2, and an inclined surface 12 is arranged on the outer side of the block 11. The inclined surface 12 prevents movement interference when the block 11 is pressed into the slot 13. A slot 13 is opened on the outer periphery of the threaded sleeve 9. The slots 13 are arranged in six groups, which are evenly distributed in an annular shape on the outer periphery of the threaded sleeve 9 and are positioned opposite to the position of the block 11. The outer periphery of the block 11 is clamped in the inner part of the slot 13.

[0031] Working principle: when you want to conveniently fix the steel bars on both sides, first rotate the locking nuts 4 on both sides so that the locking nuts 4 on both sides are on the fixed round block 1, then the elastic splint 2 is not subjected to force, so that the outer end is tilted, and the threaded sleeves 9 on both sides are not clamped at this time, and can be rotated. When the steel bars on both sides are aligned with the internal thread grooves 10, you can use your hands or tools such as wrenches to grasp the hexagonal prism surface on the outside of the threaded sleeve 9, rotate the threaded sleeve 9, so that the threaded sleeve 9 and the steel bars are tightened, and then rotate the fixed round block 1 to adjust the position of the elastic splint 2 so that each elastic splint 2 corresponds to a plane on the outside of the threaded sleeve 9. At this time, rotate the locking nut 4 so that the locking nut 4 is screwed to the baffle 5, then the elastic splint 2 will deflect inward, clamp the threaded sleeve 9, and prevent the threaded sleeve 9 from rotating, then the two sets of steel bars can be connected without using additional bolts without rotating the steel bars. When you want to improve the stability of the connection of the connecting device, turn the locking nut 4, the locking nut 4 causes the elastic clamp 2 to deflect inward, and the elastic clamp 2 drives the block 11 to deflect inward, so that the block 11 is clamped in the inside of the slot 13, the block 11 and the slot 13 make the connecting device more stable when receiving radial pressure, thereby improving the connection performance.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-strength steel bar straight thread connection device, comprising a fixing round block (1), characterized in that: The fixed round block (1) is fixedly connected to elastic clamps (2) on both sides, the outer periphery of the fixed round block (1) and the outer periphery of the elastic clamp (2) are provided with external thread grooves (3), the inner part of the external thread groove (3) is threadedly connected to a locking nut (4), one end of the outer side of the elastic clamp (2) is fixedly connected to a baffle (5), the fixed round block (1) is fixedly connected to rotating components on both sides, the outer side of the rotating component is fixedly connected to a threaded sleeve (9), and the inner part of the threaded sleeve (9) is provided with an internal thread groove (10).

2. A high-strength steel bar straight thread connection device according to claim 1, characterized in that: A clamping block (11) is fixedly connected to the inner side of the elastic clamping plate (2), an outer side of the clamping block (11) is provided with an inclined surface (12), and a clamping groove (13) is provided on the outer periphery of the threaded sleeve (9).

3. A high-strength steel bar straight thread connection device according to claim 1, characterized in that: The rotating assembly comprises a connecting block (6), a rotating circular groove (7) is provided inside the connecting block (6), a rotating circular block (8) is rotatably connected inside the rotating circular groove (7), and the outer side of the rotating circular block (8) is fixedly connected to the inner side of the threaded sleeve (9).

4. A high-strength steel bar straight thread connection device according to claim 3, characterized in that: The connection block (6) and the threaded sleeve (9) are both hexagonal in shape and have the same cross-section, and the outer side of the connection block (6) is in contact with the inner side of the threaded sleeve (9).

5. A high-strength steel bar straight thread connection device according to claim 1, characterized in that: The inner side of the elastic clamping plate (2) contacts the outer wall of the connecting block (6), and the inner side of the elastic clamping plate (2) contacts the outer wall of the threaded sleeve (9).

6. A high-strength steel bar straight thread connection device according to claim 1, characterized in that: The inner side of the baffle (5) contacts the outer side of the lock nut (4).

7. A high-strength steel bar straight thread connection device according to claim 2, characterized in that: The outer periphery of the clamping block (11) is clamped in the interior of the clamping slot (13).

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