Prefabricated part steel bar connecting device

Abstract

The utility model relates to the technical field of building construction, and discloses a prefabricated part steel bar connecting device which comprises a steel bar sleeve, a first steel bar and a second steel bar are inserted into the top and the bottom of the steel bar sleeve respectively, and the top and the bottom of the steel bar sleeve are both fixedly connected with mounting fixing plates. A first steel bar mounting hole and a second steel bar mounting hole are formed in the faces, away from each other, of the two mounting fixing plates correspondingly. The reinforcing steel bar sleeve is arranged, the connecting position of the two reinforcing steel bars can be fixed through the reinforcing steel bar sleeve, grouting is conducted in the reinforcing steel bar sleeve, the connecting position of the reinforcing steel bars is reinforced and restrained through grouting and the reinforcing steel bar sleeve, and the stability of the connecting position of the reinforcing steel bars is improved; the adjusting mechanism is arranged in the reinforcing steel bar sleeve, and the distance between the first limiting partition plate and the second limiting partition plate can be adjusted through the adjusting mechanism, so that a worker can conveniently adjust and limit the overlapping length of the two reinforcing steel bars, and the adjustability of the connecting device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and more specifically to a prefabricated steel bar connecting device. Background Art

[0002] Prefabricated components refer to steel, wood or concrete components that are pre-fabricated in a factory or on-site according to design specifications. Prefabricated components require embedded steel bars before pouring. The existing embedded steel bars need to be welded or tied together when connected, and the connection process is relatively laborious and cumbersome.

[0003] According to patent search, the announcement number CN216042184U discloses a connection device for embedded steel bars of prefabricated components, including a first mounting plate, a second mounting plate at the bottom of the first mounting plate, a locking sleeve at the top of the first mounting plate and a locking sleeve at the bottom of the second mounting plate, one end of the locking sleeve is conical, one end of the locking sleeve is provided with a plug hole, the plug hole passes through the other end of the locking sleeve, and a steel bar is provided inside the plug hole. This connection device for embedded steel bars of prefabricated components has a simple and reasonable structure, a novel design, and is simple and convenient to operate, which can effectively facilitate workers to connect steel bars.

[0004] The steel bar connection device proposed in the above patent document uses a locking sleeve to connect and fix two steel bars, but it is inconvenient to adjust the distance between the connection points of the two steel bars, resulting in poor adjustability of the steel bar connection device. In addition, the reinforcement and restraint of the steel bar connection by the steel connection device are too simple, and the wrapping of the steel bar connection is insufficient, which affects the stability of the steel bar connection. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a prefabricated steel bar connection device, which has the advantages of high adjustability and stability, so as to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a prefabricated steel bar connecting device, comprising a steel bar sleeve, wherein a first steel bar and a second steel bar are respectively inserted into the top and the bottom of the steel bar sleeve, and the top and the bottom of the steel bar sleeve are fixedly connected with mounting plates, and a first steel bar mounting hole and a second steel bar mounting hole are respectively opened on one side of the two mounting plates away from each other, and the first steel bar mounting hole and the second steel bar mounting hole are respectively used to insert the first steel bar and the second steel bar.

[0007] By setting the steel sleeve, the connection between two steel bars can be fixed by the steel sleeve, and by grouting inside the steel sleeve, the steel connection can be reinforced and constrained by grouting and the steel sleeve.

[0008] An adjustment mechanism is provided inside the steel bar sleeve, which is used to adjust and limit the connection position of the first steel bar and the second steel bar. Threaded holes are provided on the surfaces of the two mounting and fixing plates. The adjustment mechanism includes a first limiting screw and a second limiting screw threadedly connected to the inner walls of the two threaded holes. The bottom end of the first limiting screw is rotatably connected to a first limiting partition, and the top end of the second limiting screw is rotatably connected to a second limiting partition. The first limiting partition and the second limiting partition are respectively used to limit the ends of the first steel bar and the second steel bar.

[0009] By setting up the adjustment mechanism, the adjustment mechanism can be used to adjust the distance between the first limiting partition and the second limiting partition, so that it is convenient for workers to adjust and limit the overlapping length of the two steel bars, thereby improving the adjustability of the connecting device.

[0010] Furthermore, the sides of the steel sleeve are respectively fixedly connected with a grouting pipe and a grouting discharge pipe, and the sides of the steel sleeve are respectively provided with grouting holes and grouting outlet holes, the positions of the grouting holes correspond to the grouting pipe, and the positions of the grouting holes correspond to the grouting pipe.

[0011] Furthermore, the ports of the grouting pipe and the grouting pipe are both threadedly connected with plugging heads, and the right end of the plugging head is fixedly connected with a nut, and the plugging head is used to plug the ports of the grouting pipe and the grouting pipe.

[0012] Furthermore, the surfaces of the two mounting fixing plates are respectively fixedly connected with a first rubber sleeve and a second rubber sleeve, and the positions of the first rubber sleeve and the second rubber sleeve respectively correspond to the first steel bar mounting hole and the second steel bar mounting hole. By respectively arranging the first rubber sleeve and the second rubber sleeve at the top and the bottom of the steel bar sleeve, the first rubber sleeve and the second rubber sleeve can be used to limit the steel bars inserted into the steel bar sleeve.

[0013] Furthermore, a plurality of first slurry guide holes are provided on the surface of the first limiting partition plate, and a plurality of second slurry guide holes are provided on the surface of the second limiting partition plate. The first slurry guide holes and the second slurry guide holes are used to guide the slurry entering the steel sleeve.

[0014] Furthermore, a first anti-skid pad is fixedly connected to the lower surface of the first limiting partition, and the first anti-skid pad overlaps the top end of the second steel bar. The first anti-skid pad can play an anti-skid role for the second steel bar.

[0015] Furthermore, a second anti-skid pad is fixedly connected to the upper surface of the second limiting partition, and the second anti-skid pad overlaps the bottom end of the first steel bar. The second anti-skid pad can play an anti-skid role for the first steel bar.

[0016] Furthermore, the sizes of the first limiting partition and the second limiting partition are matched with the inner diameter of the steel sleeve, and the first limiting partition and the second limiting partition are slidably connected to the inner wall of the steel sleeve.

[0017] Technical effects and advantages of the utility model:

[0018] 1. The utility model provides a steel bar sleeve, which can be used to fix the connection between two steel bars, and by grouting inside the steel bar sleeve, the steel bar connection is reinforced and constrained by grouting and the steel bar sleeve, thereby improving the stability of the steel bar connection; by providing an adjustment mechanism inside the steel bar sleeve, the adjustment mechanism can be used to adjust the spacing between the first limit partition and the second limit partition, thereby facilitating the staff to adjust and limit the overlapping length of the two steel bars, thereby improving the adjustability of the connecting device.

[0019] 2. The utility model provides the first rubber sleeve and the second rubber sleeve at the top and the bottom of the steel sleeve respectively. The first rubber sleeve and the second rubber sleeve can be used to limit the steel bar inserted into the steel sleeve, and the expansion and contraction effect of the rubber sleeve can be used to close the gap between the steel bar and the steel bar installation hole, so that the staff can use tape to wrap the rubber sleeve and the steel bar, thereby facilitating the grouting of the steel sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional first-view structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional second viewing angle structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the front section structure of the steel bar sleeve of the utility model;

[0023] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0024] The accompanying drawings are marked as follows: 1, steel bar sleeve; 2, first steel bar; 3, second steel bar; 4, mounting plate; 5, first steel bar mounting hole; 6, second steel bar mounting hole; 9, adjustment mechanism; 10, grouting pipe; 11, grouting pipe; 12, grouting hole; 13, grouting hole; 14, plugging head; 15, nut; 16, first rubber sleeve; 17, second rubber sleeve;

[0025] 901, first limiting screw; 902, second limiting screw; 903, first limiting baffle; 905, second limiting baffle; 906, first slurry guiding hole; 907, second slurry guiding hole; 908, first anti-skid pad; 909, second anti-skid pad. DETAILED DESCRIPTION

[0026] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The prefabricated steel bar connection device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0027] Reference Figure 1-4 The utility model provides a prefabricated steel bar connection device, including a steel bar sleeve 1, the top and bottom of the steel bar sleeve 1 are respectively inserted with a first steel bar 2 and a second steel bar 3, the top and bottom of the steel bar sleeve 1 are fixedly connected with a mounting plate 4, and the two mounting plates 4 are respectively provided with a first steel bar mounting hole 5 and a second steel bar mounting hole 6 on one side away from each other, and the first steel bar mounting hole 5 and the second steel bar mounting hole 6 are respectively used to insert the first steel bar 2 and the second steel bar 3.

[0028] The surfaces of the two mounting fixing plates 4 are respectively fixedly connected with a first rubber sleeve 16 and a second rubber sleeve 17 , and the positions of the first rubber sleeve 16 and the second rubber sleeve 17 correspond to the first steel bar mounting hole 5 and the second steel bar mounting hole 6 , respectively.

[0029] It is worth mentioning that by respectively arranging the first rubber sleeve 16 and the second rubber sleeve 17 at the top and the bottom of the steel bar sleeve 1, when installing and connecting the steel bars, first insert the first steel bar 2 from the first rubber sleeve 16 into the first steel bar installation hole 5, and then insert the second steel bar 3 from the second rubber sleeve 17 into the second steel bar installation hole 6, so as to utilize the expansion and contraction effect of the rubber sleeve to close the gap between the steel bar and the steel bar installation hole, and then the staff can use tape to wrap the rubber sleeve and the steel bar, so as to facilitate the grouting of the steel bar sleeve 1.

[0030] A grouting pipe 10 and a grouting pipe 11 are fixedly connected to the sides of the steel sleeve 1, and a grouting hole 12 and a grouting hole 13 are opened on the sides of the steel sleeve 1. The position of the grouting hole 12 corresponds to the grouting pipe 10, and the position of the grouting hole 13 corresponds to the grouting pipe 11.

[0031] The ports of the grouting pipe 10 and the grouting pipe 11 are both threadedly connected with a plugging head 14 , and a nut 15 is fixedly connected to the right end of the plugging head 14 . The plugging head 14 is used to plug the ports of the grouting pipe 10 and the grouting pipe 11 .

[0032] It is worth mentioning that by setting the steel sleeve 1, the connection between the two steel bars can be fixed by the steel sleeve 1, and the inside of the steel sleeve 1 can be grouted through the grouting pipe 10. After the inside of the steel sleeve 1 is filled with grouting, the excess slurry is discharged out by the grouting pipe 11, and then the grouting pipe 10 and the grouting pipe 11 are sealed with the plugging head 14. The connection between the two steel bars is reinforced and constrained by grouting and the steel sleeve 1, thereby improving the stability of the steel connection.

[0033] An adjustment mechanism 9 is provided inside the steel bar sleeve 1, and the adjustment mechanism 9 is used to adjust and limit the connection position of the first steel bar 2 and the second steel bar 3. Threaded holes are provided on the surfaces of the two mounting fixing plates 4. The adjustment mechanism 9 includes a first limiting screw 901 and a second limiting screw 902 threadedly connected to the inner walls of the two threaded holes. The bottom end of the first limiting screw 901 is rotatably connected to a first limiting partition 903. The sizes of the first limiting partition 903 and the second limiting partition 905 are matched with the inner diameter of the steel bar sleeve 1, and the first limiting partition 903 and the second limiting partition 905 are both slidably connected to the inner wall of the steel bar sleeve 1.

[0034] It should be noted that the surfaces of the first limiting partition 903 and the second limiting partition 905 are respectively provided with a first through hole and a second through hole, the position of the first through hole corresponds to the second steel bar 3, and the position of the second through hole corresponds to the first steel bar 2. The first limiting partition 903 moves up and down on the surface of the second steel bar 3 through the second through hole, and the second limiting partition 905 slides on the surface of the first steel bar 2 through the second through hole.

[0035] The top end of the second limiting screw 902 is rotatably connected to the second limiting partition 905 . The first limiting partition 903 and the second limiting partition 905 are used to limit the ends of the first reinforcement 2 and the second reinforcement 3 , respectively.

[0036] It is worth mentioning that by arranging an adjustment mechanism 9 inside the steel bar sleeve 1, after the steel bar is inserted into the steel bar sleeve 1, the first limiting screw 901 and the second limiting screw 902 can be rotated to drive the first limiting partition 903 and the second limiting partition 905 to move up and down, thereby adjusting the distance between the first limiting partition 903 and the second limiting partition 905, and using the first limiting partition 903 to press and limit the end of the second steel bar 3, and using the second limiting partition 905 to press and limit the end of the first steel bar 2, thereby facilitating the staff to adjust and limit the overlapping length of the two steel bars, thereby improving the adjustability of the connecting device.

[0037] A plurality of first slurry guide holes 906 are provided on the surface of the first limiting partition 903, and a plurality of second slurry guide holes 907 are provided on the surface of the second limiting partition 905. The first slurry guide holes 906 and the second slurry guide holes 907 are used to guide the slurry entering the steel sleeve 1.

[0038] The lower surface of the first limiting partition 903 is fixedly connected with a first anti-skid pad 908, which overlaps with the top end of the second steel bar 3, and the first anti-skid pad 908 can prevent the second steel bar 3 from skidding. The upper surface of the second limiting partition 905 is fixedly connected with a second anti-skid pad 909, which overlaps with the bottom end of the first steel bar 2, and the second anti-skid pad 909 can prevent the first steel bar 2 from skidding.

[0039] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A prefabricated steel bar connection device, comprising a steel bar sleeve (1), wherein a first steel bar (2) and a second steel bar (3) are inserted into the top and bottom of the steel bar sleeve (1), respectively, and characterized in that: The top and bottom of the steel bar sleeve (1) are both fixedly connected with mounting plates (4); the two mounting plates (4) are provided with a first steel bar mounting hole (5) and a second steel bar mounting hole (6) on the sides away from each other; the first steel bar mounting hole (5) and the second steel bar mounting hole (6) are used to insert the first steel bar (2) and the second steel bar (3) respectively; an adjusting mechanism (9) is provided inside the steel bar sleeve (1); the adjusting mechanism (9) is used to adjust and limit the connection position of the first steel bar (2) and the second steel bar (3); The surfaces of the two mounting plates (4) are both provided with threaded holes, and the adjustment mechanism (9) comprises a first limiting screw (901) and a second limiting screw (902) which are threadedly connected to the inner walls of the two threaded holes, the bottom end of the first limiting screw (901) is rotatably connected to a first limiting baffle (903), and the top end of the second limiting screw (902) is rotatably connected to a second limiting baffle (905), and the first limiting baffle (903) and the second limiting baffle (905) are respectively used to limit the ends of the first steel bar (2) and the second steel bar (3).

2. A prefabricated steel bar connection device according to claim 1, characterized in that: The side surfaces of the steel sleeve (1) are respectively fixedly connected with a grouting pipe (10) and a grouting discharge pipe (11), and the side surfaces of the steel sleeve (1) are respectively provided with a grouting hole (12) and a grouting discharge hole (13), wherein the position of the grouting hole (12) corresponds to the grouting pipe (10), and the position of the grouting discharge hole (13) corresponds to the grouting discharge pipe (11).

3. A prefabricated steel bar connection device according to claim 2, characterized in that: The ports of the grouting pipe (10) and the grouting pipe (11) are both threadedly connected with a plugging head (14), and a nut (15) is fixedly connected to the right end of the plugging head (14). The plugging head (14) is used to plug the ports of the grouting pipe (10) and the grouting pipe (11).

4. A prefabricated steel bar connection device according to claim 3, characterized in that: A first rubber sleeve (16) and a second rubber sleeve (17) are respectively fixedly connected to the surfaces of the two mounting fixing plates (4); the positions of the first rubber sleeve (16) and the second rubber sleeve (17) respectively correspond to the first steel bar mounting hole (5) and the second steel bar mounting hole (6).

5. A prefabricated steel bar connection device according to claim 4, characterized in that: A plurality of first slurry guide holes (906) are provided on the surface of the first limiting partition (903), and a plurality of second slurry guide holes (907) are provided on the surface of the second limiting partition (905). The first slurry guide holes (906) and the second slurry guide holes (907) are used to guide slurry entering the steel bar sleeve (1).

6. A prefabricated steel bar connection device according to claim 5, characterized in that: A first anti-skid pad (908) is fixedly connected to the lower surface of the first limiting partition (903), and the first anti-skid pad (908) overlaps the top end of the second steel bar (3). The first anti-skid pad (908) can play an anti-skid role for the second steel bar (3).

7. A prefabricated steel bar connection device according to claim 6, characterized in that: A second anti-slip pad (909) is fixedly connected to the upper surface of the second limiting partition (905), and the second anti-slip pad (909) overlaps the bottom end of the first steel bar (2). The second anti-slip pad (909) can play an anti-slip role for the first steel bar (2).

8. A prefabricated steel bar connection device according to claim 7, characterized in that: The sizes of the first limiting partition (903) and the second limiting partition (905) are both matched with the inner diameter of the steel sleeve (1), and the first limiting partition (903) and the second limiting partition (905) are both slidably connected to the inner wall of the steel sleeve (1).

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