Tightening type deformed steel bar connecting sleeve

Abstract

The utility model discloses a fastening type deformed steel bar connecting sleeve, which relates to the technical field of deformed steel bars and comprises a fastening connecting sleeve main body, deformed steel bars are arranged on the left side and the right side of the fastening connecting sleeve main body, and the fastening connecting sleeve main body comprises a connecting sleeve shell. Mounting holes are formed in the left side and the right side of the connecting sleeve shell correspondingly, bearings are arranged on the inner walls of the two mounting holes correspondingly, deformed steel bar inserting cylinders are fixedly mounted on inner rings of the two bearings correspondingly, clamping grooves are formed in the lower portions of the closest sides of the inner walls of the two mounting holes correspondingly, and positioning mechanisms are fixedly mounted in the clamping grooves correspondingly. And a protective cover is movably mounted at the top of the fastening connection sleeve main body. The connecting sleeve shell, the deformed steel bar inserting barrel and the bearing are matched with one another, so that two deformed steel bars can be quickly fastened and locked by a single person, meanwhile, a plurality of deformed steel bars can be sequentially tightened one by one through the connecting sleeve, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of threaded steel, in particular to a tight-fitting threaded steel connecting sleeve. Background Art

[0002] The threaded steel connecting sleeve is used to connect two sections of threaded steel bars with the same diameter (the threads of the threaded section at the end of the threaded steel bar are formed by tapping with a tapping sleeve). A single threaded connecting sleeve is used to connect the two sections of threaded steel bars. A through hole in the threaded connecting sleeve has an internal thread. When connecting, the threaded connecting sleeve is rotated by a tool to connect and fix the threaded end of one threaded steel bar. When the threaded end of the other threaded steel bar is connected to the internal thread in the through hole, the steel bar needs to be rotated for threaded connection. The existing technology has the following problems:

[0003] Due to the heavy weight of steel bars, when the length of threaded steel bars is long, it is difficult for one worker to carry out the butt-jointing installation. Therefore, at least two or more workers are required to rotate the steel bars at the same time for the installation and butt-jointing. Due to the heavy weight of the steel bars, the workers rotate the steel bars slowly. In large-scale construction, it not only increases the labor intensity, but also greatly affects the construction efficiency. Utility Model Content

[0004] The utility model provides a tightening threaded steel connecting sleeve to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A tightening threaded steel connecting sleeve comprises a tightening connecting sleeve body, threaded steel is arranged on the left and right sides of the tightening connecting sleeve body, the tightening connecting sleeve body comprises a connecting sleeve shell, mounting holes are provided on the left and right sides of the connecting sleeve shell, bearings are provided on the inner walls of the two mounting holes, threaded steel insertion tubes are fixedly installed on the inner rings of the two bearings, slots are provided below the sides of the inner walls of the two mounting holes that are closest to each other, and positioning mechanisms are fixedly installed in the slots, and a protective cover is movably installed on the top of the tightening connecting sleeve body.

[0007] A further improvement of the technical solution of the utility model lies in that: a positioning card plate is fixedly installed on the bottom front side of the protective cover, rubber strips are fixedly installed on the front and rear sides of the positioning card plate, a positioning slot is opened in the middle of the top front side of the connecting sleeve shell, the positioning card plate is engaged with the positioning slot, threaded rods are threadedly installed on the left and right sides of the top of the connecting sleeve shell, tightening knobs are fixedly installed on the tops of the two threaded rods, and the bottom ends of the two threaded rods respectively penetrate into the inner cavities of the two mounting holes.

[0008] A further improvement of the technical solution of the utility model is that: positioning threaded holes are provided on the tops of the two threaded steel insertion tubes, the bottom ends of the two threaded rods are respectively threadedly connected with the two positioning threaded holes, positioning buckle grooves are provided on the sides of the two threaded steel insertion tubes close to the positioning mechanism, threaded inner walls are provided on the sides of the inner walls of the two threaded steel insertion tubes close to the positioning buckle grooves, the two threaded inner walls are respectively threadedly connected with one end of the two threaded steels close to the fastening sleeve body, and rubber rings are fixedly installed on the sides of the inner walls of the two threaded steel insertion tubes away from the positioning buckle grooves.

[0009] A further improvement of the technical solution of the utility model lies in that: the two positioning mechanisms each include a positioning box, the two positioning boxes are fixedly installed in the card slot, the inner cavities of the two positioning boxes are fixedly installed with compression springs, the two compression springs are fixedly installed with buckle base plates at one end close to the threaded steel insertion tube, the two buckle base plates are fixedly installed with semicircular buckles on the side away from the compression spring, the two semicircular buckles penetrate to the side of the positioning box close to the threaded steel insertion tube, and the two semicircular buckles are snapped into the two positioning buckle slots.

[0010] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0011] The utility model provides a tightening threaded steel connecting sleeve. Through the mutual cooperation among the connecting sleeve shell, the threaded steel inserting tube and the bearing, a single person can quickly tighten and lock two threaded steels. At the same time, the connecting sleeve can be used to tighten multiple threaded steels one by one in sequence, thereby improving construction efficiency.

[0012] The utility model provides a tightening threaded steel connecting sleeve. Through the cooperation of a protective cover, a positioning clamping plate and a rubber strip, the tightening knob can be well protected after use, preventing water ingress and rust corrosion of threaded rods and other parts caused by harsh outdoor environments, thereby increasing service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an overall schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of the connecting sleeve housing of the utility model structure;

[0015] Figure 3 This is a schematic diagram of the opening of the protective cover of the utility model structure;

[0016] Figure 4 This is a cross-sectional schematic diagram of the threaded steel insert tube of the utility model structure;

[0017] Figure 5 It is a cross-sectional schematic diagram of the positioning box of the utility model structure.

[0018] In the figure: 1. Fastening connecting sleeve body; 11. Connecting sleeve shell; 111. Positioning card slot; 112. Threaded rod; 113. Fastening knob; 12. Mounting hole; 13. Bearing; 14. Threaded steel insert tube; 141. Positioning threaded hole; 142. Threaded inner wall; 143. Rubber ring; 144. Positioning card slot; 15. Positioning mechanism; 151. Positioning box; 152. Compression spring; 153. Card bottom plate; 154. Semicircular card; 16. Protective cover; 161. Positioning card plate; 162. Rubber strip; 2. Threaded steel. DETAILED DESCRIPTION

[0019] To make the technical means, creative features, objectives and effects of the utility model easy to understand

[0020] Understand, the utility model is further described below in conjunction with specific implementation methods.

[0021] like Figure 1 , Figure 2 As shown, the utility model provides a tightening threaded steel connection sleeve, including a tightening connection sleeve body 1, threaded steel 2 is arranged on both sides of the tightening connection sleeve body 1, the tightening connection sleeve body 1 includes a connection sleeve shell 11, installation holes 12 are opened on both sides of the connection sleeve shell 11, bearings 13 are arranged on the inner walls of the two installation holes 12, threaded steel insertion tubes 14 are fixedly installed on the inner rings of the two bearings 13, and slots are opened at the bottom of the inner walls of the two installation holes 12 closest to each other, and positioning mechanisms 15 are fixedly installed in the slots, and a protective cover 16 is movably installed on the top of the tightening connection sleeve body 1;

[0022] When connecting two threaded steel bars 2, the opposite ends of the two threaded steel bars 2 are respectively inserted into the threaded steel bar insertion tubes 14 on the left and right sides of the connecting sleeve housing 11, and the threaded steel bar insertion tubes 14 are in a fixed state at this time. Then the threaded steel bars 2 on both sides remain stationary, and the connecting sleeve housing 11 is directly rotated to make the opposite ends of the two threaded steel bars 2 respectively connected to the threads of the inner wall of the threaded steel bar insertion tube 14 until they completely enter the inner cavity of the threaded steel bar insertion tube 14.

[0023] like Figure 3 , Figure 4As shown, a positioning card plate 161 is fixedly installed on the bottom front side of the protective cover 16, and rubber strips 162 are fixedly installed on the front and rear sides of the positioning card plate 161. A positioning card slot 111 is opened in the middle of the top front side of the connecting sleeve housing 11, and the positioning card plate 161 is clamped with the positioning card slot 111. Threaded rods 112 are threadedly installed on the left and right sides of the top of the connecting sleeve housing 11, and the tops of the two threaded rods 112 are fixedly installed with tightening knobs 113. The bottom ends of the two threaded rods 112 respectively penetrate into the inner cavities of the two mounting holes 12, and the two threaded steel bars are inserted into the top of the cylinder 14. Both are provided with positioning threaded holes 141, and the bottom ends of the two threaded rods 112 are respectively threadedly connected with the two positioning threaded holes 141, and the two threaded steel insert cylinders 14 are provided with positioning buckle grooves 144 on one side close to the positioning buckle grooves 144, and the inner walls of the two threaded steel insert cylinders 14 are provided with threaded inner walls 142 on one side close to the positioning buckle grooves 144, and the two threaded inner walls 142 are respectively threadedly connected with one end of the two threaded steels 2 close to the fastening sleeve body 1, and the inner walls of the two threaded steel insert cylinders 14 are fixedly installed with rubber rings 143 on one side away from the positioning buckle grooves 144;

[0024] After the threaded steel bar 2 is inserted into the threaded steel bar insertion tube 14, it will be threadedly connected with the threaded inner wall 142 of its inner wall until it completely enters the inner cavity of the threaded steel bar insertion tube 14, and the rubber ring 143 is used to tightly adhere to the outer wall of the threaded steel bar 2 to maintain the sealing. When it is necessary to continue to dock and install the connecting sleeve housing 11 again at the end of one of the threaded steel bars 2 away from the connecting sleeve housing 11, the threaded rod 112 can be driven to rotate by rotating the tightening knob 113 on that side of the top of the connecting sleeve housing 11, so that the threaded rod 112 and the positioning threaded hole 141 are released from the limit. When the threaded steel bar 2 on one side is rotated, the bearing 13 can be directly used to rotate the threaded steel insertion tube 14, and the other end of the threaded steel bar 2 can continue to rotate and connect with the connecting sleeve housing 11. When the tightening knob 113 is not in use, the protective cover 16 can be rotated and closed, and the positioning card plate 161 can be tightly clamped into the positioning card groove 111 and fixed using the front and rear rubber strips 162, thereby protecting the two tightening knobs 113.

[0025] like Figure 5 As shown, the two positioning mechanisms 15 each include a positioning box 151, and the two positioning boxes 151 are fixedly installed in the card slot, and the inner cavity of the two positioning boxes 151 is fixedly installed with a compression spring 152, and the two compression springs 152 are fixedly installed with a buckle base plate 153 at one end close to the threaded steel insertion tube 14, and the two buckle base plates 153 are fixedly installed with a semicircular buckle 154 on the side away from the compression spring 152, and the two semicircular buckles 154 penetrate to the side of the positioning box 151 close to the threaded steel insertion tube 14, and the two semicircular buckles 154 are snapped with the two positioning buckle grooves 144.

[0026] The following is a detailed description of the working principle of the tight-fitting threaded steel connecting sleeve.

[0027] like Figure 1-5 As shown, when connecting two threaded steel bars 2, the opposite ends of the two threaded steel bars 2 are respectively inserted into the threaded steel bar insertion tubes 14 on the left and right sides of the connecting sleeve housing 11, and the threaded steel bar insertion tubes 14 at this time are kept in a fixed state by the threaded connection between the threaded rod 112 and the positioning threaded hole 141, and then the threaded steel bars 2 on both sides remain stationary, and the connecting sleeve housing 11 is directly rotated to make the opposite ends of the two threaded steel bars 2 threadedly connected to the threaded inner wall 142 of the inner wall of the threaded steel bar insertion tube 14, until they completely enter the inner cavity of the threaded steel bar insertion tube 14, and the rubber ring 143 is used to cling to the outer wall of the threaded steel bar 2 to maintain sealing. When it is necessary to continue to dock and install the connecting sleeve housing 11 again at the end of one of the threaded steel bars 2 away from the connecting sleeve housing 11, the threaded rod 112 can be driven by rotating the tightening knob 113 on the top side of the connecting sleeve housing 11. Rotate, so that the threaded rod 112 and the positioning threaded hole 141 are released from the limit, so that when the threaded steel 2 on one side is rotated, the bearing 13 can be directly used to rotate the threaded steel insertion tube 14, and the other end of the threaded steel 2 can continue to rotate and connect with the connecting sleeve housing 11. When the other side is rotated and tightened, the threaded steel 2 can be rotated to drive the threaded steel insertion tube 14 to rotate until the positioning buckle groove 144 is aligned with the semicircular buckle 154 extending from the front side of the positioning box 151. The semicircular buckle 154 can be inserted into the positioning buckle groove 144 under the elastic action of the compression spring 152 squeezing the buckle bottom plate 153. At this time, the positioning threaded hole 141 is just aligned with the bottom of the threaded rod 112, and the tightening knob 113 can be directly rotated to drive the threaded rod 112 to rotate and install the thread into the positioning threaded hole 141 to complete the tightening and locking of the threaded steel insertion tube 14.

[0028] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A tightening threaded steel connection sleeve, comprising a tightening connection sleeve body (1), characterized in that: Threaded steel bars (2) are provided on both sides of the fastening sleeve body (1). The fastening sleeve body (1) comprises a connecting sleeve shell (11). Mounting holes (12) are provided on both sides of the connecting sleeve shell (11). The inner walls of the two mounting holes (12) are provided with bearings (13). The inner rings of the two bearings (13) are fixedly mounted with threaded steel inserting tubes (14). A slot is provided at the bottom of the inner walls of the two mounting holes (12) closest to each other, and a positioning mechanism (15) is fixedly mounted in the slot. A protective cover (16) is movably mounted on the top of the fastening sleeve body (1).

2. A tightening threaded steel connection sleeve according to claim 1, characterized in that: A positioning card plate (161) is fixedly mounted on the front side of the bottom of the protective cover (16), and rubber strips (162) are fixedly mounted on both the front and rear sides of the positioning card plate (161). A positioning card slot (111) is provided in the middle of the top front side of the connecting sleeve housing (11), and the positioning card plate (161) is snap-fitted with the positioning card slot (111). Threaded rods (112) are threadedly mounted on both the left and right sides of the top of the connecting sleeve housing (11), and tightening knobs (113) are fixedly mounted on the top ends of the two threaded rods (112), and the bottom ends of the two threaded rods (112) respectively penetrate into the inner cavities of the two mounting holes (12).

3. A tightening threaded steel connection sleeve according to claim 2, characterized in that: The tops of the two threaded steel insertion tubes (14) are each provided with a positioning threaded hole (141), the bottom ends of the two threaded rods (112) are respectively threadedly connected to the two positioning threaded holes (141), the sides of the two threaded steel insertion tubes (14) close to the positioning mechanism (15) are each provided with a positioning buckle groove (144), the inner walls of the two threaded steel insertion tubes (14) close to the positioning buckle groove (144) are each provided with a threaded inner wall (142), the two threaded inner walls (142) are respectively threadedly connected to one end of the two threaded steels (2) close to the fastening sleeve body (1), and the inner walls of the two threaded steel insertion tubes (14) away from the positioning buckle groove (144) are each fixedly mounted with a rubber ring (143).

4. The tightening threaded steel connection sleeve according to claim 1, characterized in that: The two positioning mechanisms (15) each include a positioning box (151), the two positioning boxes (151) are fixedly installed in a slot, the inner cavities of the two positioning boxes (151) are fixedly installed with a compression spring (152), the ends of the two compression springs (152) close to the threaded steel insertion tube (14) are fixedly installed with a buckle base plate (153), the sides of the two buckle base plates (153) away from the compression spring (152) are fixedly installed with a semicircular buckle (154), the two semicircular buckles (154) are penetrated to the side of the positioning box (151) close to the threaded steel insertion tube (14), and the two semicircular buckles (154) are buckled with the two positioning buckle grooves (144).

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