Civil air defense door frame anchoring mechanism

Abstract

The utility model relates to a civil air defense door frame anchoring mechanism, and belongs to the technical field of civil air defense doors, the civil air defense door frame anchoring mechanism comprises an anchoring rib fixedly arranged on a door frame, and the anchoring rib comprises an anchoring body and a hook part rotationally arranged at the end of the anchoring body; the hook part comprises a rotating part rotationally connected with the anchoring body and a hinge part hinged to the end of the rotating part, the rotating part and the hinge part are linear, and the hinge axis of the hinge part is perpendicular to the length direction of the anchoring body. The anchoring mechanism further comprises a first fixing piece used for fixing the hinge part after the hinge part and the rotating part are arranged in a zigzag mode. The installation structure has the effect of facilitating installation of the anchoring ribs.

Description

Technical Field

[0001] The present application relates to the technical field of civil air defense doors, and in particular to a civil air defense door frame anchoring mechanism. Background Art

[0002] The frame around the door frame of the civil air defense door at the entrance of the civil air defense project is made of angle steel as raw material. After passing the inspection, the door frame and the civil air defense wall are grouted at one time. In order to ensure the integrity of the door frame and the civil air defense wall, a certain number of steel bars must be welded on the door frame of the civil air defense door as anchor bars. The anchor bars are usually bent into a hook shape on the side away from the door frame.

[0003] However, when the door frame is installed, the anchor bars welded on the door frame may interfere with the many criss-crossing main bars and stirrups in the wall, resulting in the anchor bars being unable to be installed to the designed position. Utility Model Content

[0004] In order to facilitate the installation of anchor bars at the designed location, the present application provides a civil air defense door frame anchoring mechanism.

[0005] The present application provides a civil air defense door frame anchoring mechanism that adopts the following technical solution:

[0006] A civil defense door frame anchoring mechanism includes an anchoring rib fixedly arranged on the door frame, the anchoring rib includes an anchoring body and a hook portion rotatably arranged at the end of the anchoring body, the hook portion includes a rotating portion rotatably connected to the anchoring body and a hinged portion hingedly arranged at the end of the rotating portion, the rotating portion and the hinged portion are both linear, the hinge axis of the hinged portion is perpendicular to the length direction of the anchoring body, and the anchoring mechanism also includes a first fixing member for fixing the hinged portion after the hinged portion and the rotating portion are arranged in a folded shape.

[0007] Optionally, the first fixing member includes a worm wheel coaxially arranged on the mounting shaft of the hinge part, and a worm screw meshing with the worm wheel is rotatably arranged on the rotating part.

[0008] Optionally, the first fixing member includes a fixing rod rotatably arranged on the side wall of the hinge part, the hinge axis of the fixing rod is perpendicular to the length direction of the hinge part, the end of the fixing rod facing away from the hinge part is fixedly arranged on the rotating part, and the first fixing member also includes a second fixing member for fixing the end of the rod to the rotating part.

[0009] Optionally, the second fixing member includes a fixing groove provided on the rotating part, the fixing rod is inserted into the fixing groove, and the second fixing member also includes a fixing pin slidably provided on the rotating part, and the fixing rod is provided with an inserting groove for inserting the fixing pin.

[0010] Optionally, two fixing rods are provided on the hinged portion, and the two fixing rods are symmetrically arranged along the axis of the hinged portion.

[0011] Optionally, a spring is sleeved on the fixing pin, one end of the spring is fixedly arranged on the fixing pin, and the other end of the spring is fixedly arranged on the rotating part.

[0012] Optionally, the installation seam sleeve of the anchor body and the rotating part is provided with a sleeve, and the outer walls of the anchor body and the rotating part are fixedly provided with a limiting ring, and the inner wall of the sleeve is concavely formed with a limiting groove for the limiting ring to rotate, and the limiting groove is connected end to end to form a ring shape.

[0013] Optionally, the anchoring body, the rotating part and the hinged part are all made of threaded steel bars.

[0014] In summary, the present application includes at least one of the following beneficial technical effects:

[0015] 1. When installing the civil air defense door frame, first weld the anchor bar on the civil air defense door frame, then hoist the civil air defense door frame to the designed location, then simply fix the civil air defense door frame, and then rotate the hinge part so that the hinge part and the rotating part are in a straight line, so that the straight anchor bar can easily enter the steel frame. Then rotate the hinge part so that there is a certain angle between the hinge part and the rotating part, and then fix the hinge part at the above angle through the first fixing part, and then use tying wire or welding to fix the anchor bar to the steel frame. The operation is simple and convenient.

[0016] 2. The rotating part rotates to adjust the direction of the hinged part, so that the bending part between the rotating part and the hinged part can be hooked on the steel frame, thereby facilitating the fixing of the civil air defense door frame on the steel frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of Example 1;

[0018] Figure 2 yes Figure 1 A magnified schematic diagram of part A;

[0019] Figure 3 is a schematic structural diagram of the first fixing member in Example 2;

[0020] Figure 4 yes Figure 3 Schematic diagram of the enlarged portion B.

[0021] Description of reference numerals: 1, door frame; 2, anchoring rib; 21, anchoring body; 22, hook portion; 221, rotating portion; 222, hinged portion;

[0022] 3. First fixing member; 31. Worm wheel; 32. Worm; 33. Fixing rod; 34. Fixing pin; 35. Fixing slot; 36. Spring;

[0023] 4. Sleeve. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-4 This application is described in further detail.

[0025] Example 1

[0026] Reference Figure 1 and Figure 2 The civil air defense door frame anchoring mechanism includes an anchoring rib 2 fixedly arranged on the door frame 1, the anchoring rib 2 includes an anchoring body 21 and a hook portion 22 rotatably arranged at the end of the anchoring body 21, the anchoring body 21 is welded to the civil air defense door frame 1, the hook portion 22 includes a rotating portion 221 rotatably connected to the anchoring body 21 and a hinged portion 222 hingedly arranged at the end of the rotating portion 221, the rotating axis of the rotating portion 221 is parallel to the length direction of the anchoring body 21, the rotating portion 221 and the hinged portion 222 are both linear, the hinged axis of the hinged portion 222 is perpendicular to the length direction of the anchoring body 21, and the anchoring mechanism also includes a first fixing member 3 for fixing the hinged portion 222 after the hinged portion 222 and the rotating portion 221 are arranged in a folded shape.

[0027] When installing the civil defense door frame 1, first weld the anchor bar 2 to the civil defense door frame 1, then hoist the civil defense door frame 1 to the designed location, then simply fix the civil defense door frame 1, and then rotate the hinge 222 so that the hinge 222 and the rotating part 221 are located in a straight line, and the straight anchor bar 2 is convenient for entering the steel frame. Then rotate the hinge 222 so that there is a certain angle between the hinge 222 and the rotating part 221, and then fix the hinge 222 at the above angle through the first fixing member 3, and then use binding wire or welding to fix the anchor bar 2 to the steel frame. The operation is simple and convenient.

[0028] Reference Figure 1 and Figure 2 In the embodiment of the present application, the first fixing member 3 includes a worm wheel 31 coaxially arranged on the mounting shaft of the hinged portion 222, and a worm 32 meshing with the worm wheel 31 is rotatably arranged on the rotating portion 221. Furthermore, the length direction of the worm 32 and the hinge axis are parallel to the length direction of the rotating portion 221; when adjusting the direction of the hinged portion 222, the worm 32 is rotated, and the rotation of the worm 32 drives the worm wheel 31 to rotate, and the rotation of the worm wheel 31 drives the mounting shaft to rotate, and the rotation of the mounting shaft drives the hinged portion 222 to rotate, which is simple and convenient to operate; and under the action of the worm wheel 31 and the worm 32, the hinged portion 222 is fixed at the above-mentioned angle.

[0029] Reference Figure 1 and Figure 2In order to improve the anti-pullout effect between the anchor body 21 and the rotating part 221, the installation seam of the anchor body 21 and the rotating part 221 is provided with a sleeve 4, and the sleeve 4 covers the installation seam of the anchor body 21 and the rotating part 221. The outer walls of the anchor body 21 and the rotating part 221 are fixedly provided with a limiting ring, and the limiting ring is continuous. The inner wall of the sleeve 4 is concavely formed with a limiting groove for the limiting ring to rotate, and the limiting groove is connected from end to end in a ring shape; under the action of the limiting block and the limiting groove, the anchor body 21 and the rotating part 221 are connected as a whole, thereby improving the anti-pullout effect between the anchor body 21 and the rotating part 221.

[0030] Reference Figure 1 and Figure 2 In the implementation of the present application, the anchor body 21, the rotating part 221 and the hinged part 222 are all made of threaded steel bars, and ribs are generated on the outer wall of the threaded steel bars, thereby increasing the friction between the concrete and further providing the pull-out resistance of the anchor bar 2.

[0031] The implementation principle of Example 1 is:

[0032] When installing the civil air defense door frame 1, first weld the anchor bar 2 to the civil air defense door frame 1, then hoist the civil air defense door frame 1 to the designed location, then simply fix the civil air defense door frame 1, and then rotate the hinge 222 so that the hinge 222 and the rotating part 221 are located in a straight line, and the straight anchor bar 2 is convenient to enter the steel frame. Then rotate the hinge 222 so that there is a certain angle between the hinge 222 and the rotating part 221, and then use binding wire or welding to fix the anchor bar 2 to the steel frame. The operation is simple and convenient.

[0033] Example 2

[0034] The difference between Example 2 and Example 1 is that, referring to Figure 3 and Figure 4 The first fixing member 3 includes a fixing rod 33 rotatably set on the side wall of the hinge part 222, the fixing rod 33 is located on the side of the hinge part 222 facing the rotating part 221, the hinge axis of the fixing rod 33 is perpendicular to the length direction of the hinge part 222, and the end of the fixing rod 33 away from the hinge part 222 is fixedly set on the rotating part 221. The first fixing member 3 also includes a second fixing member for fixing the end of the rod 33 to the rotating part 221, the second fixing member includes a fixing groove 34 opened on the rotating part 221, and the fixing rod 33 is inserted into the fixing groove 34. The second fixing member also includes a fixing pin 35 slidably set on the rotating part 221, and the fixing rod 33 is provided with an insertion groove for the fixing pin 35 to be inserted.

[0035] After the hinge part 222 is placed at the designed position, and the position of the civil air defense door frame 1 is adjusted so that the main reinforcement or stirrups of the steel skeleton are close to the rotation axis of the hinge part 222, then the hinge part 222 is rotated so that the main reinforcement or stirrups of the steel skeleton are located between the hinge part 222 and the rotating part 221, and then the fixing rod 33 is rotated, the fixing rod 33 is inserted into the fixing groove 34, and then the fixing pin 35 is slid and the fixing pin 35 is inserted into the insertion groove to fix the relative position of the hinge part 222 and the rotating part 221. The operation is simple and convenient; and the main reinforcement or stirrups of the steel skeleton are located in the space surrounded by the rotating part 221, the hinge part 222 and the fixing rod 33, which further improves the fixing effect of the civil air defense door frame 1.

[0036] Reference Figure 3 and Figure 4 In order to facilitate the hinged part 222 to approach the adjacent main reinforcement or stirrups of the steel skeleton, two fixing rods 33 are provided on the hinged part 222, and the two fixing rods 33 are symmetrically arranged along the axis of the hinged part 222; the fixing rods 33 on both sides facilitate the hinged part 222 to rotate toward the main reinforcement or stirrups, thereby facilitating the main reinforcement or stirrups to enter the space surrounded by the rotating part 221, the hinged part 222 and the fixing rods 33.

[0037] Reference Figure 3 and Figure 4 In order to reduce the possibility of the fixing rod 33 falling off from the fixing groove 34, a spring 36 is sleeved on the fixing pin 35, one end of the spring 36 is fixedly set on the fixing pin 35, and the other end is fixedly set on the rotating part 221; under the action of the elastic force of the spring 36, the fixing rod 33 is inserted into the insertion groove, reducing the possibility of the fixing rod 33 falling off from the rotating part 221.

[0038] The implementation principle of Example 2 is:

[0039] After the hinge part 222 is placed at the designed position, and the position of the civil air defense door frame 1 is adjusted so that the main reinforcement or stirrups of the steel skeleton are close to the rotation axis of the hinge part 222, then the hinge part 222 is rotated so that the main reinforcement or stirrups of the steel skeleton are located between the hinge part 222 and the rotating part 221, and then the fixing rod 33 is rotated, the fixing rod 33 is inserted into the fixing groove 34, and then the fixing pin 35 is slid and the fixing pin 35 is inserted into the insertion groove to fix the relative position of the hinge part 222 and the rotating part 221. The operation is simple and convenient; and the main reinforcement or stirrups of the steel skeleton are located in the space surrounded by the rotating part 221, the hinge part 222 and the fixing rod 33, which further improves the fixing effect of the civil air defense door frame 1.

[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A civil air defense door frame anchoring mechanism, characterized in that: The invention comprises an anchoring rib (2) fixedly arranged on a door frame (1), wherein the anchoring rib (2) comprises an anchoring body (21) and a hook portion (22) rotatably arranged at the end of the anchoring body (21), wherein the hook portion (22) comprises a rotating portion (221) rotatably connected to the anchoring body (21) and a hinge portion (222) hingedly arranged at the end of the rotating portion (221), wherein the rotating portion (221) and the hinge portion (222) are both linear, and the hinge axis of the hinge portion (222) is perpendicular to the length direction of the anchoring body (21), and the anchoring mechanism further comprises a first fixing member (3) for fixing the hinge portion (222) after the hinge portion (222) and the rotating portion (221) are arranged in a folded shape.

2. The civil air defense door frame anchoring mechanism according to claim 1, characterized in that: The first fixing member (3) comprises a worm wheel (31) coaxially arranged on the mounting shaft of the hinged portion (222), and a worm (32) meshing with the worm wheel (31) is rotatably arranged on the rotating portion (221).

3. The civil air defense door frame anchoring mechanism according to claim 1, characterized in that: The first fixing member (3) comprises a fixing rod (33) rotatably arranged on the side wall of the hinged portion (222); the hinge axis of the fixing rod (33) is perpendicular to the length direction of the hinged portion (222); the end of the fixing rod (33) facing away from the hinged portion (222) is fixedly arranged on the rotating portion (221); and the first fixing member (3) further comprises a second fixing member for fixing the end of the fixing rod (33) to the rotating portion (221).

4. The civil air defense door frame anchoring mechanism according to claim 3, characterized in that: The second fixing member comprises a fixing groove (34) provided on the rotating part (221), the fixing rod (33) being inserted into the fixing groove (34), and the second fixing member further comprises a fixing pin (35) slidably arranged on the rotating part (221), and the fixing rod (33) is provided with an inserting groove for inserting the fixing pin (35).

5. The civil air defense door frame anchoring mechanism according to claim 3, characterized in that: Two fixing rods (33) are provided on the hinged portion (222), and the two fixing rods (33) are symmetrically arranged along the axis of the hinged portion (222).

6. The civil air defense door frame anchoring mechanism according to claim 4, characterized in that: A spring (36) is sleeved on the fixing pin (35), one end of the spring (36) is fixedly arranged on the fixing pin (35), and the other end of the spring (36) is fixedly arranged on the rotating part (221).

7. The civil air defense door frame anchoring mechanism according to claim 1, characterized in that: The installation seams of the anchor body (21) and the rotating part (221) are provided with sleeves (4); the outer walls of the anchor body (21) and the rotating part (221) are both fixedly provided with limit rings; the inner wall of the sleeve (4) is concavely formed with a limit groove for the limit ring to rotate; the limit groove is connected end to end to form a ring shape.

8. The civil air defense door frame anchoring mechanism according to claim 1, characterized in that: The anchoring body (21), the rotating part (221) and the hinged part (222) are all made of threaded steel bars.

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