Tensioned reinforcement connector

Abstract

The application provides a tensile steel bar connector, belonging to the technical field of steel bar connection, comprising two threaded sleeves and a connecting piece; each threaded sleeve has an internal thread at one end; the interior of each threaded sleeve is provided with a rotating groove at a position close to the other end; each threaded sleeve has an avoiding hole in communication with the rotating groove at the other end, and the diameter of the avoiding hole is smaller than that of the rotating groove; the two ends of the connecting piece are connected with stop parts; one of the stop parts is located in the rotating groove of one of the threaded sleeves, and the other stop part is located in the rotating groove of the other threaded sleeve; the diameter of the stop part is larger than that of the avoiding hole, and the diameter of the connecting piece is smaller than that of the avoiding hole, so that the connecting piece swings relative to the threaded sleeve; the above arrangement can connect two steel bars arranged on different axes, facilitating subsequent construction; the threaded sleeve is provided with an adjusting section, which can be adjusted in the axial direction of the steel bar, facilitating the threaded sleeve to be screwed with the steel bar.

Description

Technical Field

[0001] This application belongs to the field of steel bar connection technology, specifically relating to a tension steel bar connector. Background Technology

[0002] During project construction, before concrete is poured, the reinforcing bars can rotate freely and move axially. Therefore, the centering and tightening of the reinforcing bars are completed using traditional sleeve straight thread connectors. However, when reinforcing existing buildings, since the main structure of the existing building has already been poured, it is necessary to first install the reinforcing bars and then connect them.

[0003] The basic operation process of post-rebar installation is as follows: First, the rebar is divided into two parts, then holes are drilled at the corresponding positions of the main structural components on both sides, structural adhesive is injected into the holes, and then the rebar is rotated into the drilled holes after the adhesive is injected. After cooling, the rebar is formed. Finally, the two rebars are connected by welding. However, the heat generated by welding affects the effect of the rebar adhesive, and the welding quality is not easy to guarantee.

[0004] Using a traditional threaded sleeve to connect two steel bars in the middle can easily lead to misalignment of the steel bars on both sides due to construction errors. In addition, the sum of the length of the steel bars at both ends and the length of the sleeve in the reinforcement project is greater than the final required length. The steel bars are too rigid to be bent, which makes it impossible to connect them using a traditional sleeve. Utility Model Content

[0005] This application provides a tension rebar connector, which aims to solve the problems in the prior art that two rebars with different axes cannot be connected when reinforcing the main body of an existing building, and that traditional sleeves have no operating space in the direction of the rebar axis.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows: A tension steel bar connector is provided, comprising: Two threaded sleeves, each with an internal thread at one end for mating with a reinforcing bar thread; each threaded sleeve has a rotating groove near the other end inside, and the other end of each threaded sleeve has a clearance hole communicating with the rotating groove, the diameter of the clearance hole being smaller than the diameter of the rotating groove; the internal thread of each threaded sleeve is divided into a connecting section and an adjusting section. The connector has stop components at both ends; one stop component is located in the rotation groove of one of the threaded sleeves, and the other stop component is located in the rotation groove of the other threaded sleeve. The diameter of the stop component is larger than the diameter of the clearance hole, and the diameter of the connector is smaller than the diameter of the clearance hole, so that the connector and the threaded sleeve can swing relative to each other.

[0007] In one possible implementation, the connector is divided into two sections, which are connected by a connecting sleeve, and the connector is threadedly connected to the connecting sleeve. The connecting member is axially movable in the adjusting section of the threaded sleeve, so that there is space between the two connecting members for placing the connecting sleeve.

[0008] In one possible implementation, the rotating groove is a hemispherical groove, and the stop member has a spherical surface that contacts the hemispherical groove; The clearance hole has a flared structure, and the diameter of the small end of the clearance hole is larger than the diameter of the connector, so that the connector and the threaded sleeve can swing relative to each other.

[0009] In one possible implementation, the stop component is a spherical structure, and the side of the stop component facing away from the connector is a plane.

[0010] In one possible implementation, when the connection between the reinforcing bar and the threaded sleeve is threaded, the reinforcing bar still has external threads on the outside of the threaded sleeve, so as to facilitate the threaded connection between the adjusting section and the reinforcing bar.

[0011] In one possible implementation, the connecting sleeve has an internal thread, one end of each connecting member is fixed to a stop component, and the other end of each connecting member has an external thread; wherein the connecting sleeve is threadedly engaged with two connecting members respectively.

[0012] In one possible implementation, the diameter of the stop member is smaller than the minor diameter of the internal thread of the threaded sleeve, so that the stop member can be inserted into the threaded sleeve.

[0013] In one possible implementation, the threaded sleeve, the connecting sleeve, the connector, and the stop component are all made of high-strength alloy steel, and the strength of the threaded sleeve, the connecting sleeve, the connector, and the stop component is greater than the strength of the reinforcing steel.

[0014] This application provides a tension rebar connector. Compared with the prior art, when connecting two rebars, one threaded sleeve is threaded with one rebar and the other threaded sleeve is threaded with the other rebar. Since the two threaded sleeves are connected by a connector and a stop component, the connector can also connect the two threaded sleeves even when they are not on the same axis. Therefore, the above-mentioned configuration of this application can connect two rebars with different axes, which is convenient for subsequent construction. The threaded sleeve is provided with an adjustment section, which can be adjusted in the direction of the rebar axis to facilitate the threaded sleeve and the rebar thread engagement. Attached Figure Description

[0015] Figure 1An exploded view of the threaded sleeve and connecting sleeve of a tension steel bar connector provided in an embodiment of this application; Figure 2 A schematic diagram of a tension steel bar connector provided in an embodiment of this application; Figure 3 for Figure 2 Enlarged diagram of section A in the middle; Figure 4 This is a schematic diagram of the threaded sleeve portion of a tension steel bar connector provided in an embodiment of this application.

[0016] Explanation of reference numerals in the attached drawings: 1. Threaded sleeve; 11. Rotary groove; 12. Clearance hole; 13. Connecting section; 14. Adjusting section; 2. Connecting piece; 3. Reinforcing bar; 4. Stopping component; 5. Connecting sleeve. Detailed Implementation

[0017] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0018] Please refer to the following: Figures 1 to 4 This application describes a tension rebar connector. The tension rebar connector includes two threaded sleeves 1 and a connector 2. Each threaded sleeve 1 has an internal thread at one end for threaded engagement with a rebar 3. Each threaded sleeve 1 has a rotating groove 11 near its other end, and each threaded sleeve 1 has a clearance hole 12 communicating with the rotating groove 11 at its other end. The diameter of the clearance hole 12 is smaller than the diameter of the rotating groove 11. The internal thread of each threaded sleeve 1 is divided into a connecting section 13 and an adjusting section 14. Both ends of the connector 2 are connected to stop components 4. One stop component 4 is located within the rotating groove 11 of one threaded sleeve 1, and the other stop component 4 is located within the rotating groove 11 of the other threaded sleeve 1. The diameter of the stop component 4 is larger than the diameter of the clearance hole 12, and the diameter of the connector 2 is smaller than the diameter of the clearance hole 12, allowing the connector 2 to swing relative to the threaded sleeve 1.

[0019] This application provides a tension rebar connector. Compared with the prior art, when connecting two rebars 3, one threaded sleeve 1 is threadedly engaged with one rebar 3, and the other threaded sleeve 1 is threadedly engaged with the other rebar 3. Since the two threaded sleeves 1 are connected by a connector 2 and a stop component 4, the connector 2 can also connect the two threaded sleeves 1 even when they are not on the same axis. Therefore, the above-mentioned configuration of this application can connect two rebars 3 with different axes, which is convenient for subsequent construction. An adjustment section 14 is provided on the threaded sleeve 1, which can be adjusted in the direction of the rebar axis to facilitate the threaded engagement between the threaded sleeve 1 and the rebar 3.

[0020] By providing a rotating groove 11 on the threaded sleeve 1, and by cooperating with the stop component 4 in the rotating groove 11, the stop component 4 can be limited, so that the stop component 4 can only move within the rotating groove 11.

[0021] By setting the diameter of the clearance hole 12 to be larger than that of the connector 2, clearance space can be provided for the swing of the connector 2, which facilitates the adjustment of the angular deviation between the two threaded sleeves 1, so that the two threaded sleeves 1 can respectively engage with the corresponding reinforcing bars 3.

[0022] When the steel bar 3 is tightened by rotating the two threaded sleeves 1, each stop component 4 abuts against the inner circumferential wall of the rotating groove 11 of the threaded sleeve 1.

[0023] It should be noted that although there is an angular deviation between the two reinforcing bars 3, the deviation is not significant. The structure of this application can connect the two reinforcing bars 3, thereby facilitating the tightening of the two reinforcing bars 3 with angular deviation.

[0024] By setting the diameter of the clearance hole 12 to be larger than the diameter of the connector 2, and the diameter of the clearance hole 12 to be smaller than the diameter of the stop member 4, the connector 2 can swing within the clearance hole 12, and the connector 2 will not separate from the threaded sleeve 1 due to the limiting effect of the stop member 4.

[0025] In some embodiments, such as Figures 1 to 4 As shown, the connector 2 is divided into two sections, and the two sections of connector 2 are connected by a connecting sleeve 5. The connector 2 is threadedly connected to the connecting sleeve 5. The connector 2 can move axially in the adjusting section 14 of the threaded sleeve 1 so that there is space between the two connectors 2 for placing the connecting sleeve 5.

[0026] In the process of connecting two sections of reinforcing bar 3, the two connecting parts 2 can be connected first through the connecting sleeve 5, and then the two threaded sleeves 1 can be threaded into the corresponding reinforcing bars 3 respectively; or the two threaded sleeves 1 can be threaded into the corresponding reinforcing bars 3 respectively, and then the two connecting parts 2 can be connected through the connecting sleeve 5.

[0027] When connecting in the first way, the total length of the connector 2, the stop component 4 and the connecting sleeve 5 is less than the distance between the two reinforcing bars 3. The stop component 4 can slide in the threaded sleeve 1 along the axial direction. After one of the threaded sleeves 1 is threadedly engaged with one of the reinforcing bars 3, the other threaded sleeve 1 is slid towards the threaded sleeve 1 so that the threaded end of the other threaded sleeve 1 can be threadedly engaged with the other reinforcing bar 3. Finally, the two sections of reinforcing bars 3 are tensioned by the threaded engagement of the two threaded sleeves 1 with the corresponding reinforcing bars 3.

[0028] When connecting in the second way, first thread the two threaded sleeves 1 to the corresponding steel bars 3 respectively. At this time, there is a certain distance between the free end of the steel bar 3 and the stop part 4. The stop part 4 can slide in the threaded sleeve 1 along the axial direction so that there is space between the two connecting parts 2 for placing the connecting sleeve 5. Then it is convenient for the connecting sleeve 5 to be threadedly engaged with the connecting part 2.

[0029] In some embodiments, such as Figures 1 to 4 As shown, the rotating groove 11 is a hemispherical groove, and the stop component 4 has a spherical surface that contacts the hemispherical groove; wherein, the clearance hole 12 is a trumpet-shaped structure, the diameter of the small end of the clearance hole 12 is larger than the diameter of the connector 2, so that the connector 2 and the threaded sleeve 1 can swing relative to each other; the diameter of the small end of the clearance hole 12 is smaller than the diameter of the stop component 4, so as to prevent the stop component 4 from sliding out of the clearance hole 12; the stop component 4 is a spherical structure, and the side of the stop component 4 away from the connector 2 is a plane, so as to minimize the space occupied by the stop component 4 inside the threaded sleeve 1 while ensuring the connection between the stop component 4 and the threaded sleeve 1.

[0030] By setting the rotating groove 11 as a hemispherical groove and setting the stop member 4 as a spherical surface that contacts the hemispherical groove, the spherical surface on the stop member 4 can contact the hemispherical groove when the reinforcing bar 3 is tightened, thereby increasing the contact area between the stop member 4 and the rotating groove 11 and improving the connection strength between the stop member 4 and the threaded sleeve 1.

[0031] By setting the clearance hole 12 into a trumpet-shaped structure, the space outside the clearance hole 12 can be increased, thereby increasing the swing angle of the connector 2 and thus increasing the angle range of the connector 2.

[0032] In some embodiments, such as Figures 1 to 4As shown, the internal thread of each threaded sleeve 1 is divided into a connecting section 13 and an adjusting section 14. When the reinforcing bar 3 is threadedly engaged with the connecting section 13 of the threaded sleeve 1, the reinforcing bar 3 still has external threads on the outside of the threaded sleeve 1, so that the adjusting section 14 can be threadedly engaged with the reinforcing bar 3.

[0033] With the above-mentioned configuration of this application, the thread length of the threaded sleeve 1, in addition to meeting the connection length required for the reinforcing bar to fully exert its tensile strength, also has a certain length as an adjustment length to provide a margin for adjusting the position of the threaded sleeve 1 in the axial direction of the reinforcing bar 3.

[0034] When threaded sleeve 1 is threaded with rebar 3, first threaded sleeve 1 is threaded with the corresponding rebar 3 respectively. Specifically, after the connecting section 13 on one threaded sleeve 1 is threaded with rebar 3, the other threaded sleeve 1 is threaded with another rebar 3. After the connecting section 13 of the two threaded sleeves 1 is threaded, the connector 2 is in a straightened state. Then, by rotating the threaded sleeve 1, the tension is transmitted through the connector 2, which can achieve the purpose of tightening the rebar 3.

[0035] After the connecting section 13 is threaded into the reinforcing bar 3, the outer side of the reinforcing bar 3 still has external threads, which makes it easy to rotate the threaded sleeve 1 to tighten the two reinforcing bars 3.

[0036] The connector 2 is divided into two sections, which are connected by a connecting sleeve 5. The connecting sleeve 5 has an internal thread, one end of each connector 2 is fixed to the stop component 4, and the other end of each connector 2 is provided with an external thread. The connecting sleeve 5 is threadedly engaged with the two connector 2 sections respectively.

[0037] The connector 2 is divided into two sections to facilitate insertion of the connector 2 into the threaded sleeve 1; after the threaded end of the connector 2 passes through the threaded sleeve 1, the threaded end of the connector 2 engages with the threaded sleeve 5; the connecting sleeve 5 can connect the threaded ends of the two connectors 2; with the above-mentioned configuration of this application, it is easy to install the connector 2 onto the threaded sleeve 1, and the installation is simple.

[0038] In some embodiments, such as Figures 1 to 4 As shown, the diameter of the stop component 4 is smaller than the minor diameter of the internal thread of the threaded sleeve 1, so that the stop component 4 and the threaded sleeve 1 can be inserted and fitted together.

[0039] With the above settings, as the threaded end of the connector 2 passes through the threaded sleeve 1, the stop component 4 can also enter the threaded sleeve 1 and eventually move into the rotating groove 11 of the threaded sleeve 1; the threaded end of the connector 2 is threadedly engaged with the connecting sleeve 5.

[0040] Since the diameter of the stop component 4 is smaller than the minor diameter of the internal thread of the threaded sleeve 1, the threads of the threaded sleeve 1 will not interfere with the stop component 4 during the process of inserting the stop component 4 into the threaded sleeve 1, which makes it easy for the stop component 4 to pass through the threaded part of the threaded sleeve 1 and finally move to the position of the rotating groove 11.

[0041] In some embodiments, such as Figures 1 to 4 As shown, the threaded sleeve 1, connecting sleeve 5, connecting piece 2, and stop component 4 are all made of high-strength alloy steel, and the strength of the threaded sleeve 1, connecting sleeve 5, connecting piece 2, and stop component 4 is greater than the strength of the reinforcing bar 3.

[0042] With the above settings, the strength of the threaded sleeve 1, connecting sleeve 5, connecting piece 2 and stop part 4 can be greater than the strength of the reinforcing bar 3, thus meeting the requirement of "strong anchorage and weak reinforcing bar 3".

[0043] After connecting the reinforcing bars 3 through the structure described in this application, the strength of the connection node is higher than that of the reinforcing bars 3, avoiding "strength reduction" due to insufficient node strength and ensuring that the structural design bearing capacity meets the standards.

[0044] The aforementioned mechanism of this application provides a connecting section 13 and an adjusting section 14 on the threaded sleeve 1, and allows for axial displacement between the threaded sleeve 1 and the connecting member 2. This solves the problem that the middle sleeve cannot be threadedly fitted after the two ends of the traditional reinforcing bar 3 are fixed by planting reinforcing bars. By providing the adjusting section 14 on the threaded sleeve 1, it is possible to ensure that the reinforcing bar 3 is fully tensioned and in a taut state. At this time, the connecting member 2 can transmit the tension, ensuring that both reinforcing bars 3 are in a taut state.

[0045] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A tension steel bar connector, characterized in that, include: Two threaded sleeves, each with an internal thread at one end for mating with a reinforcing bar thread; each threaded sleeve has a rotating groove near the other end inside, and the other end of each threaded sleeve has a clearance hole communicating with the rotating groove, the diameter of the clearance hole being smaller than the diameter of the rotating groove; the internal thread of each threaded sleeve is divided into a connecting section and an adjusting section. The connector has stop components at both ends; one stop component is located in the rotation groove of one of the threaded sleeves, and the other stop component is located in the rotation groove of the other threaded sleeve. The diameter of the stop component is larger than the diameter of the clearance hole, and the diameter of the connector is smaller than the diameter of the clearance hole, so that the connector and the threaded sleeve can swing relative to each other.

2. The tension steel bar connector as described in claim 1, characterized in that, The connector is divided into two sections, which are connected by a connecting sleeve, and the connector is threadedly connected to the connecting sleeve. The connecting member is axially movable in the adjusting section of the threaded sleeve, so that there is space between the two connecting members for placing the connecting sleeve.

3. A tension steel bar connector as described in claim 1, characterized in that, The rotating groove is a hemispherical groove, and the stop component has a spherical surface that contacts the hemispherical groove; The clearance hole has a flared structure, and the diameter of the small end of the clearance hole is larger than the diameter of the connector, so that the connector and the threaded sleeve can swing relative to each other.

4. A tension steel bar connector as described in claim 3, characterized in that, The stop component has a spherical structure, and the side of the stop component opposite to the connector is a plane.

5. A tension steel bar connector as described in claim 1, characterized in that, When the connection between the reinforcing bar and the threaded sleeve is threaded, the reinforcing bar still has external threads on the outside of the threaded sleeve, so as to facilitate the threaded connection between the adjustment section and the reinforcing bar.

6. A tension steel bar connector as described in claim 2, characterized in that, The connecting sleeve has an internal thread, one end of each connecting member is fixed to a stop component, and the other end of each connecting member has an external thread; wherein, the connecting sleeve is threadedly engaged with two connecting members respectively.

7. A tension steel bar connector as described in claim 6, characterized in that, The diameter of the stop component is smaller than the minor diameter of the internal thread of the threaded sleeve, so that the stop component can be inserted into the threaded sleeve.

8. A tension steel bar connector as described in claim 2, characterized in that, The threaded sleeve, the connecting sleeve, the connecting member, and the stop component are all made of high-strength alloy steel, and the strength of the threaded sleeve, the connecting sleeve, the connecting member, and the stop component is greater than the strength of the reinforcing steel.

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