Split type straight thread device for reinforcement cage

Abstract

The utility model discloses a split type straight thread device for a reinforcement cage, which comprises two threaded seats in threaded connection with the end part of a reinforcement main body, the outer parts of the two threaded seats are in threaded connection with the same threaded sleeve, one end of each threaded seat is provided with a binding surface, the outer part of each threaded seat is in threaded connection with a limiting seat which is attached to the threaded sleeve, and the limiting seat is provided with a clamping surface. The limiting seat is used for balancing the two threaded seats and the threaded sleeve, the same limiting piece is arranged among the threaded sleeve, the limiting seat and the outer side of the threaded seat, pressing pads are arranged at the two ends of the inner side of the threaded sleeve and used for tightly connecting the threaded seat and the threaded sleeve, and the limiting seat is located between the binding face and the threaded sleeve and used for tightly connecting the limiting seat and the threaded sleeve. The diameter of the limiting base is larger than that of the threaded sleeve and that of the threaded base. According to the split type straight thread device, the connection tightness between the threaded base and the threaded sleeve can be improved, anti-loosening treatment is carried out on all structures, and stable connection between the device and a reinforcing steel bar is achieved.

Description

Technical Field

[0001] The utility model relates to a steel cage connecting device, in particular to a steel cage split type straight thread device. Background Art

[0002] A rebar cage is a circular or square structure made of cast iron or steel, typically used to support concrete columns or walls in buildings, enhancing the strength and stability of the structure. To construct a split rebar cage, the main bars are first welded together on the ground to form a single piece. The main bars are then lowered one by one into the pile holes. Internal and external stirrups are then tied to the main bars in sections on the ground to form a cage-like structure. The cage-like structure is then strung onto the main bars in sequence from bottom to top. When the next rebar cage is inserted, straight threaded sleeves are used to connect the rebar ends of the two cages to secure the cages.

[0003] Currently, most straight thread devices used in steel cages are split structures. During installation, two threaded seats of the same structure are first screwed into two opposite steel bars in the two steel cages. Then, a threaded sleeve is put on the outside of one of the threaded seats, and the end of the threaded sleeve is aligned with the other threaded seat. The other threaded seat is screwed into the threaded sleeve to complete the installation of the device and the steel bar. The straight thread device does not have an anti-loosening structure. The gap between the threaded seat and the threaded sleeve can easily cause the threaded sleeve and the threaded seat to loosen, making the connection between the steel bars loose and affecting the connection stability of the device. Based on the above reasons, it is necessary to design a split straight thread device for steel cages with an anti-loosening structure that can tighten the threaded seat and the threaded sleeve. Utility Model Content

[0004] In view of the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a split straight thread device for a steel cage, which can increase the connection tightness between the threaded seat and the threaded sleeve, thereby achieving the purpose of stable connection between the device and the steel bar.

[0005] To achieve the above purpose, the technical solution of this utility model is as follows:

[0006] A split straight thread device for a steel cage includes two threaded seats threadedly connected to the end portions of a steel bar body, the external threads of the two threaded seats are connected to the same threaded sleeve, one end of the threaded seat is provided with a fitting surface, the external threads of the threaded seat are connected to a limit seat fitted with the threaded sleeve, which is used for balancing the two threaded seats and the threaded sleeve, a same limit piece is provided between the threaded sleeve, the limit seat and the outer side of the threaded seat, and compression pads are provided at both ends of the inner side of the threaded sleeve for tight connection between the threaded seat and the threaded sleeve.

[0007] Preferably, the limiting seat is located between the fitting surface and the threaded sleeve, and the diameter of the limiting seat is larger than the diameters of the threaded sleeve and the threaded seat.

[0008] Preferably, the limiting member includes a clamping strip that is clamped with the two limiting seats, and a fastening block is provided on the inner side of the clamping strip, and the fastening block is a triangular prism structure.

[0009] Preferably, the end of the clamping strip is provided with a fitting end connected to the limiting seat and the threaded seat, and the end of the fitting end extends to the steel bar body.

[0010] Preferably, the compression pad has a conical structure, the wide-mouth end of the compression pad extends to the outside of the threaded sleeve, and the compression pad is made of rubber material.

[0011] Preferably, a pressure-sensitive pad is provided at the end of the threaded sleeve, and the pressure-sensitive pad is located on the outside of the compression pad.

[0012] Preferably, a through hole is formed through the side wall of the threaded sleeve, a through bolt is threadedly connected to the through hole, and a conical cover is sleeved on the outer side of the through bolt and press-fitted with the through hole.

[0013] Compared with the prior art, the split-type straight thread device for a steel cage provided by the present invention can add an anti-loosening structure and improve the connection firmness between the split-type straight thread device structure and the steel bar. Specifically, by setting and using a limit seat between the thread seat and the threaded sleeve, the thread seats on both sides can be screwed into the threaded sleeve with the same length, achieving a balanced connection between the thread seats and the threaded sleeve at both ends, improving the force uniformity of the straight thread device. Subsequently, by pressing the limit seat with the pressure pad and the fitting surface, the deformation of the pressure pad and the pressure difference on the outside can be utilized to increase the connection firmness and sealing between the threaded sleeve and the limit seat, thereby facilitating the fastening connection between the split-type straight thread device and the steel bar.

[0014] In addition, by setting up the threaded sleeve, the limit seat and the same limit piece on the outside of the threaded seat, the limit structure on the outside of the split straight thread device can be added. The clamping strip can clamp the two limit seats, and the fitting end can extend to the steel bar body, connecting the steel bar and the device as an integral whole, preventing the deviation between the various structures in the straight thread device, which is very beneficial for the anti-loosening treatment of the straight thread device.

[0015] It should be understood that the general description and detailed description herein are exemplary and explanatory only and are not intended to restrict the present disclosure.

[0016] This application document provides various implementations or exemplary overviews of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the steel cage split straight thread device of the utility model;

[0018] Figure 2 This is a structural cross-sectional view of the threaded sleeve and the limiting seat in the steel cage split straight thread device of the utility model;

[0019] Figure 3 This is a structural cross-sectional view of the threaded seat and the limiting seat in the steel cage split straight thread device of the utility model;

[0020] Figure 4 This is a structural cross-sectional view of the threaded sleeve, the limiting seat and the threaded seat in the steel cage split straight thread device of the utility model;

[0021] Figure 5 This is a structural diagram of a threaded sleeve and a through-bolt in a split straight thread device for a steel cage of the present invention;

[0022] Figure 6 This is a structural diagram of another structural form of the threaded sleeve and the through-bolt of the split straight thread device of the reinforcement cage of the present invention.

[0023] Main reference numerals:

[0024] 1. Steel bar body; 11. Threaded seat; 12. Threaded sleeve; 111. Fitting surface; 2. Limit seat; 31. Compression pad; 32. Pressure-sensitive pad; 41. Through hole; 42. Through bolt; 43. Conical cover; 5. Limit piece; 51. Card strip; 52. Fastening block; 53. Fitting end. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure more clear, the embodiments of the present disclosure are described in more detail below in conjunction with the drawings of the embodiments. Note: The described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0026] As attached Figure 1 and attached Figure 2As shown, the embodiment of the present invention provides a split-type straight thread device for a steel cage, which is used to achieve a balanced connection between the threaded seat 11 and the threaded pipe in the device, and to prevent loosening of the threaded seat 11 and the threaded pipe, thereby increasing the connection stability of the structure in the device. Using existing installation technology for split-type straight thread devices and steel cages, tooth grooves are first formed at the ends of the steel bars 1 in the two steel cages. Then, two threaded seats 11 are used to facilitate installation on the steel bars 1. A threaded sleeve 12 is then inserted through the outside of the threaded seat 11, and the other threaded seat 11 is screwed into the other end of the threaded sleeve 12 to complete the installation of the split-type straight thread device. The present invention provides a limit and sealing structure for the outside of the threaded seat 11 by setting a fitting surface 111 at one end of the threaded seat 11; the limit seat 2 connected to the outside of the threaded seat 11 by the threaded seat 11, when the threaded sleeve 12 and the threaded seat 11 are installed, the end of the threaded sleeve 12 can fit on the surface of the limit seat 2, so as to achieve the sealing treatment between the threaded seat 11 and the threaded sleeve 12 by the limit seat 2, and the limit seats 2 at both ends of the threaded sleeve 12 are used at the same time, which facilitates the tightening of the threaded seat 11 and the threaded sleeve 12, and standardizes the length of the threaded seat 11 screwed into the threaded sleeve 12, so that the screwing length of the two threaded seats 11 and the threaded sleeve 12 is the same, and the increase of the length of the two threaded seats 11 and the threaded sleeve 12 The connection uniformity is achieved, and the balanced treatment of the two threaded seats 11 and the threaded sleeves 12 is achieved; then, the same limiting member 5 is set between the threaded sleeve 12, the limiting seat 2 and the outer side of the threaded seat 11, and the outer sides of multiple structures can be limited and connected, and the connection status between the structures is marked to prevent loosening between the various structures; finally, compression pads 31 are set at both ends of the inner side of the threaded sleeve 12 for tight connection between the threaded seat 11 and the threaded sleeve 12, and the compression pad 31 is used to fill the gap between the two structures, and the pressure difference between the compression pad 31 and the threaded seat 11 is used to improve the connection firmness and sealing between the threaded seat 11 and the threaded sleeve 12, thereby improving the connection effect between the split straight thread devices.

[0027] In order to improve the connection sealing between the threaded seat 11 and the threaded sleeve 12, as Figure 4 As shown, the limit seat 2 will be set between the fitting surface 111 and the threaded sleeve 12, and the diameter of the limit seat 2 will be set larger than the diameters of the threaded sleeve 12 and the threaded seat 11, so that the surface of the limit seat 2 can be fitted with the ends of the threaded seat 11 and the threaded sleeve 12 to achieve sealing of their ends; then, using the anti-loosening technology of the nut, the height of the limit seat 2 can be made smaller than the height of the steel bar body 1 screwed into the threaded seat 11, and the limit seat 2 is clamped at the position of the threaded seat 11 and the threaded sleeve 12, which can improve the anti-loosening effect of the structures on both sides.

[0028] Among them, it is worth mentioning that Figure 3As shown, the limiting member 5 includes a clamping strip 51 that is clamped with the two limiting seats 2, and a fastening block 52 is provided on the inner side of the clamping strip 51. By using the fastening block 52 on the inner side of the clamping strip 51, the friction between the clamping strip 51 and the limiting seat 2 can be increased, which facilitates the clamping of the limiting member 5 with the two threaded seats 11 and increases the limiting structure on the outer side of the split straight thread device.

[0029] In some embodiments, in order to better facilitate the limiting processing of the split straight thread device by the limiting member 5, a fitting end 53 will be set at the end of the clamping strip 51 to extend the length of the limiting member 5, wherein the fitting end 53 can use solder, plastic, hot melt adhesive and other materials, and the fitting end 53 is connected to the outer side of the limiting seat 2 and the threaded seat 11, and the end of the fitting end 53 extends to the steel bar body 1, connecting the straight thread device with the steel bar body 1, realizing the integrated setting of the straight thread device and the steel bar body 1, improving the stability of the device and the steel bar body 1, and preventing the straight thread device from loosening.

[0030] In order to better improve the anti-loosening effect and sealing between the limit seat 2 and the threaded sleeve 12, as Figure 2 As shown, the compression pad 31 can be set to a conical structure, and its wide-mouth end can extend to the outside of the threaded sleeve 12. The rubber material of the compression pad 31 can be used to facilitate the threaded sleeve 12 and the limit seat 2 to be screwed together. The rubber elasticity of the compression pad 31 is used to compact between the threaded sleeve 12 and the limit seat 2. The wide-mouth end of the conical structure of the compression pad 31 is extended to the outside of the threaded sleeve 12 to facilitate the application of the air pressure characteristics of the suction cup, increase the connection firmness between the limit seat 2 and the threaded sleeve 12, prevent the angular deviation of the limit seat 2, increase the airtightness between the two structures, and thereby improve the connection stability of the structure in the straight thread device.

[0031] Furthermore, if Figure 2 As shown, a pressure-sensitive pad 32 made of pressure-sensitive adhesive material can also be set at the end of the threaded sleeve 12. Its structure is located on the outside of the compression pad 31, expanding the compression area of ​​the compression pad 31 and improving the connection effect between the threaded sleeve 12 and the limit seat 2.

[0032] In some embodiments, the connection firmness between the threaded sleeve 12 and the threaded seat 11 can be increased by adding a transverse limiting structure, such as Figure 5As shown in Figure 6, a through hole 41 is formed in the side wall of the threaded sleeve 12, and a through bolt 42 is threadedly connected to the through hole 41. The outer side of the through bolt 42 is provided with a conical cover 43 that is pressed into the through hole 41. Through the through hole 41 formed in the side wall of the threaded sleeve 12, and the hole is connected to the inner side of the threaded sleeve 12, the operator can fill the gap between the two threaded seats 11 with cooling and solidifying material through the through hole 41, and then use the through bolt 42 to cover the conical cover 43 and screw it into the through groove, so that it fits with the side wall of the threaded sleeve 12, thereby achieving filling and tightening between the threaded seat 11 and the threaded sleeve 12, and increasing the sealing and firmness of the connection between the two threaded seats 11; as shown in Figure 6, Figure 6 As shown, a plurality of through holes 41 can be provided on one side relative to the threaded seat 11. By screwing the through bolt 42 into the through hole 41, the through cover fits the surface of the threaded sleeve 12, so that the through bolt 42 is laterally limited on both sides of the threaded seat 11 after passing through the threaded sleeve 12, thereby realizing the tightening and limiting between the threaded seat 11 and the threaded sleeve 12, providing convenience for the straight-line use of the steel bar body 1.

[0033] Of course, the above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A split-type straight thread device for a steel cage, comprising two threaded seats (11) threadedly connected to the ends of a steel body (1), wherein the outer threads of the two threaded seats (11) are connected to a same threaded sleeve (12), characterized in that: One end of the threaded seat (11) is provided with a fitting surface (111), and the external thread of the threaded seat (11) is connected to a limit seat (2) fitted with the threaded sleeve (12) for balancing the two threaded seats (11) and the threaded sleeve (12). A same limit member (5) is provided between the threaded sleeve (12), the limit seat (2) and the outer side of the threaded seat (11), and compression pads (31) are provided at both ends of the inner side of the threaded sleeve (12) for tightly connecting the threaded seat (11) and the threaded sleeve (12).

2. The steel cage split straight thread device according to claim 1, characterized in that: The limiting seat (2) is located between the fitting surface (111) and the threaded sleeve (12), and the diameter of the limiting seat (2) is larger than the diameters of the threaded sleeve (12) and the threaded seat (11).

3. The steel cage split straight thread device according to claim 1, characterized in that: The limiting member (5) comprises a clamping strip (51) clamped with the two limiting seats (2); a fastening block (52) is provided on the inner side of the clamping strip (51); and the fastening block (52) is a triangular prism structure.

4. The steel cage split straight thread device according to claim 3, characterized in that: The end of the clamping strip (51) is provided with a fitting end (53) connected to the limiting seat (2) and the threaded seat (11), and the end of the fitting end (53) extends to the steel bar body (1).

5. The steel cage split straight thread device according to claim 1, characterized in that: The compression pad (31) has a conical structure, the wide-mouth end of the compression pad (31) extends to the outside of the threaded sleeve (12), and the compression pad (31) is made of rubber material.

6. The steel cage split straight thread device according to claim 1, characterized in that: A pressure-sensitive pad (32) is provided at the end of the threaded sleeve (12), and the pressure-sensitive pad (32) is located outside the compression pad (31).

7. The steel cage split straight thread device according to claim 1, characterized in that: A through hole (41) is formed through the side wall of the threaded sleeve (12), a through bolt (42) is threadedly connected to the through hole (41), and a conical cover (43) is sleeved on the outer side of the through bolt (42) and is pressed into engagement with the through hole (41).

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