Building wall expansion chemical anchor bolt

Abstract

The utility model discloses a building wall expansion chemical anchor bolt in the technical field of chemical anchor bolts, which comprises a wall body, a mounting groove is arranged on the wall body, an anchor rod is arranged in the mounting groove, a fixing plate is movably sleeved on the outer wall of the anchor rod, a nut is screwed on the outer wall of the anchor rod, and the nut is positioned on the right side of the fixing plate. A screw rod is inserted into the anchor rod, the left end of the screw rod is connected with a mounting plate through a bearing, a reinforcing assembly is arranged between the screw rod and the mounting plate, a plurality of through holes are formed in the side, close to the mounting plate, of the screw rod, a rotating disc is installed at the right end of the screw rod, a liquid injection hole is formed in the middle of the rotating disc, and a flow guide channel is formed in the screw rod. And the flow guide channel is communicated with the liquid injection hole. According to the anchor bolt, the mounting plate, the reinforcing assemblies, the screw rod and the anchor rod are arranged in a matched mode, when the screw rod rotates, the reinforcing assemblies and the inner wall of the mounting groove are squeezed, a groove opening matched with the reinforcing assemblies can be squeezed out, and therefore the anchoring effect of the anchor bolt is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical anchor bolts, in particular to an expansion chemical anchor bolt for building walls. Background Technique

[0002] A chemical anchor bolt is a high-strength anchor bolt with vinyl resin as the main raw material, formerly known as a chemical medicine bolt. A chemical anchor bolt is a new type of anchor bolt that emerged after expansion anchor bolts. It is a composite part that fixes the screw rod in the drilled hole of the concrete base material through a special chemical adhesive to achieve the anchoring of the fixing part, mainly used for the installation of post-embedded parts in various curtain walls and marble dry-hanging constructions.

[0003] The patent publication number CN210106334U discloses an expansion chemical anchor bolt for building walls, including an anchor bolt, a nut, a spring washer, a flat washer, a chemical layer, and a fixing device. The surface of the anchor bolt is movably connected with a nut, a spring washer is arranged on the left side of the nut, a flat washer is arranged on the left side of the spring washer, a chemical layer is arranged on the surface of the anchor bolt, and the surface of the anchor bolt is movably connected with a fixing device. For this expansion chemical anchor bolt for building walls, through the arranged fixing device, the anchor bolt will not tilt or fall off during use, greatly improving the practicability of the anchor bolt. At the same time, it also saves the trouble of manual stabilization, saves time and effort, and improves the working efficiency of workers. When the above chemical anchor bolt is used, first drill a hole in the building wall, place the chemical agent in the hole, and then screw the chemical anchor bolt into the hole so that the glue and stones in the chemical agent are both bonded to the thread. However, the connection force between the chemical anchor bolt and the chemical agent is very small, the anchoring force effect is poor, and the connection with the building wall is not particularly firm. Content of the Utility Model

[0004] In order to improve the problem that the connection force between the existing chemical anchor bolt and the chemical agent is very small, the anchoring force effect is poor, and the connection with the building wall is not particularly firm as mentioned above, the utility model provides an expansion chemical anchor bolt for building walls.

[0005] The utility model provides an expansion chemical anchor bolt for building walls, adopting the following technical scheme:

[0006] An expansion chemical anchor bolt for building walls includes a wall body. An installation groove is opened on the wall body. An anchor rod is arranged inside the installation groove. A fixing plate is movably sleeved on the outer wall of the anchor rod. A nut is screwed on the outer wall of the anchor rod, and the nut is located on the right side of the fixing plate. A screw rod is inserted into the anchor rod. The left end of the screw rod is connected with an installation plate through a bearing. A reinforcement assembly is arranged between the screw rod and the installation plate. A plurality of through holes are opened on the side of the screw rod close to the installation plate. A turntable is installed at the right end of the screw rod. A liquid injection hole is opened in the middle of the turntable. A diversion channel is arranged inside the screw rod, and the diversion channel is communicated with the liquid injection hole.

[0007] By adopting the above technical solution, during use, first make an installation groove on the wall body. Insert the anchor rod and the mounting plate on one side of the screw through the notch of the installation groove into the interior of the installation groove. Then rotate the nut to press and fix the fixing plate on the surface of the wall body. Next, push the screw to the left so that the mounting plate abuts against the inner wall of the installation groove. Then rotate the turntable. The rotation of the turntable drives the rotation of the screw, and the rotation of the screw drives the movement of multiple reinforcement components, so that the reinforcement components are pressed against the inner wall of the installation groove, thereby improving the anchoring effect of the anchor bolt.

[0008] Optionally, a sealing plug is inserted into the interior of the liquid injection hole.

[0009] By adopting the above technical solution, the liquid injection hole can be blocked by the sealing plug.

[0010] Optionally, a gasket is connected to the end of the fixing plate facing away from the nut.

[0011] By adopting the above technical solution, the use sealing performance of the chemical anchor bolt can be guaranteed, and the leakage of the chemical agent inside the installation groove when it is not hardened can be avoided.

[0012] Optionally, the reinforcement component includes a threaded sleeve, the threaded sleeve is threadedly connected to the outer wall of the screw, a second connecting block is connected to the left side of the threaded sleeve, one end of the second connecting block facing away from the threaded sleeve is hinged with a connecting rod, one end of the connecting rod far away from the second connecting block is hinged with a first connecting block, and a movable seat is installed at the end of the first connecting block far away from the second connecting block.

[0013] By adopting the above technical solution, when the screw rotates, it drives the threaded sleeve to move to the left. When the threaded sleeve moves, it drives the movable seat to move through the connecting rod, so that the movable seat presses against the inner wall of the installation groove, improving the anchoring force.

[0014] Optionally, a plurality of convex teeth are connected to the side of the movable seat away from the center of the screw.

[0015] By adopting the above technical solution, the convex teeth are pressed against the inner wall of the installation groove, and a matching notch can be extruded. Through the cooperation of the convex teeth and the notch, the anchoring effect of the anchor bolt is improved.

[0016] Optionally, a slider is connected to the side of the movable seat away from the connecting rod, and a sliding groove is formed on the right side of the mounting plate. The sliding groove is slidably connected to the slider.

[0017] By adopting the above technical solution, when the movable seat moves, it can drive the slider to slide inside the sliding groove, so that the threaded sleeve can be limited by the connecting rod to prevent the threaded sleeve from rotating.

[0018] In summary, the present utility model has at least one of the following beneficial effects:

[0019] By matching the mounting plate, the reinforcement assembly, the screw rod and the anchor rod, when the screw rod rotates, the multiple reinforcement assemblies are squeezed with the inner wall of the mounting groove, and matching grooves are squeezed out, thereby improving the anchoring effect of the anchor bolt.

[0020] The coordinated arrangement of the fixing plate, the nut and the gasket can ensure the sealing performance of the chemical anchor bolt, and prevent the chemical agent inside the installation groove from leaking out before hardening, so the chemical anchor bolt is safer to use and has higher reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0024] Figure 3 For the utility model Figure 1 Schematic diagram of the structure at point A in the middle.

[0025] In the figure: 1. wall body; 2. through hole; 3. mounting plate; 301. slide groove; 4. reinforcement assembly; 401. movable seat; 4011. convex tooth; 4012. slider; 402. first connecting block; 403. connecting rod; 404. second connecting block; 405. threaded sleeve; 5. mounting groove; 6. fixing plate; 7. screw; 8. sealing plug; 9. injection hole; 10. turntable; 11. anchor rod; 12. nut; 13. gasket; 14. guide channel. DETAILED DESCRIPTION

[0026] The following is combined with Figures 1 - 3 The utility model is described in further detail.

[0027] Please refer to the attached figure in the instruction manual Figure 1 and Figure 2 The utility model provides an embodiment: a building wall expansion chemical anchor bolt, comprising a wall body 1, a mounting groove 5 is provided on the wall body 1, an anchor rod 11 is arranged inside the mounting groove 5, a fixing plate 6 is movably sleeved on the outer wall of the anchor rod 11, a nut 12 is screwed on the outer wall of the anchor rod 11, and a gasket 13 is fixedly connected to one end of the fixing plate 6 away from the nut 12. The sealing performance of the chemical anchor bolt can be ensured to prevent the chemical agent inside the mounting groove 5 from leaking out when it is not hardened.

[0028] Please refer to the attached drawings of the specification Figure 1 , and the nut 12 is located on the right side of the fixing plate 6. A screw rod 7 is inserted into the interior of the anchor rod 11. The left end of the screw rod 7 is connected to a mounting plate 3 through a bearing. A reinforcement assembly 4 is arranged between the screw rod 7 and the mounting plate 3. The reinforcement assembly 4 includes a threaded sleeve 405 which is threadedly connected to the outer wall of the screw rod 7. A plurality of second connection blocks 404 are connected to the left side of the threaded sleeve 405. One end of each of the plurality of second connection blocks 404 away from the threaded sleeve 405 is hinged to a connecting rod 403. One end of the connecting rod 403 away from the second connection block 404 is hinged to a first connection block 402. A movable seat 401 is installed at one end of the first connection block 402 away from the second connection block 404. When the screw rod 7 rotates, it drives the threaded sleeve 405 to move leftward. When the threaded sleeve 405 moves, it drives the movable seat 401 to move through the connecting rod 403, so that the movable seat 401 presses against the inner wall of the mounting groove 5, improving the anchoring force.

[0029] Please refer to the attached drawings of the specification Figure 1 and Figure 3 , and a plurality of convex teeth 4011 are fixedly connected to one side of the movable seat 401 away from the center of the screw rod 7. By pressing the convex teeth 4011 against the inner wall of the mounting groove 5, a matching notch can be extruded. Through the cooperation of the convex teeth 4011 and the notch, the anchoring effect of the anchor bolt is improved.

[0030] Please refer to the attached drawings of the specification Figure 1 and Figure 3 , and a slider 4012 is fixedly connected to one side of the movable seat 401 away from the connecting rod 403. A sliding groove 301 is opened on the right side of the mounting plate 3, and the sliding groove 301 is slidably connected to the slider 4012. When the movable seat 401 moves, it can drive the slider 4012 to slide inside the sliding groove 301, so as to limit the threaded sleeve 405 through the connecting rod 403 and prevent the threaded sleeve 405 from rotating.

[0031] Please refer to the attached drawings of the specification Figure 1 and Figure 2 , and a plurality of through holes 2 are opened on one side of the screw rod 7 close to the mounting plate 3. A turntable 10 is installed at the right end of the screw rod 7. A liquid injection hole 9 is opened in the middle of the turntable 10, and a sealing plug 8 is inserted into the liquid injection hole 9. Thus, the liquid injection hole 9 can be blocked by the sealing plug 8. A diversion channel 14 is arranged inside the screw rod 7, and the diversion channel 14 is communicated with the liquid injection hole 9.

[0032] Working principle: When in use, first make an installation groove 5 on the wall body 1, insert the anchor rod 11 and the mounting plate 3 on one side of the screw rod 7 into the inside of the installation groove 5 through the notch of the installation groove 5, and then rotate the nut 12 to press and fix the fixing plate 6 on the surface of the wall body 1. At this time, the gasket 13 is in direct contact with the surface of the wall body 1, increasing the sealing performance of the installation groove 5.

[0033] Then push the screw rod 7 to the left so that the mounting plate 3 abuts against the inner wall of the installation groove 5. Then rotate the turntable 10. The rotation of the turntable 10 drives the screw rod 7 to rotate. The rotation of the screw rod 7 drives the threaded sleeve 405 to move to the left. When the threaded sleeve 405 moves, it pushes the movable seat 401 to move through the connecting rod 403, gradually opening multiple movable seats 401, so that the convex teeth 4011 are pressed against the inner wall of the installation groove 5, and a matching notch can be extruded. Through the cooperation of the convex teeth 4011 and the notch, the anchoring effect of the anchor bolt can be improved.

[0034] Finally, take out the sealing plug 8, inject the chemical agent through the liquid injection hole 9. The chemical agent gradually enters the inside of the installation groove 5 through the diversion channel 14 and the through hole 2, flows in the installation groove 5 and fills the entire installation groove 5. After filling, plug the sealing plug 8, and the chemical agent gradually hardens inside, so that the anchor bolt is fixed on the wall body 1.

[0035] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A building wall expansion chemical anchor bolt, comprising a wall body (1), wherein the wall body (1) is provided with a mounting groove (5), characterized in that: An anchor rod (11) is arranged inside the mounting groove (5), and a fixing plate (6) is movably sleeved on the outer wall of the anchor rod (11). A nut (12) is screwed on the outer wall of the anchor rod (11), and the nut (12) is located on the right side of the fixing plate (6). A screw rod (7) is inserted inside the anchor rod (11), and the left end of the screw rod (7) is connected to the mounting plate (3) through a bearing. A reinforcement component (4) is arranged between the screw rod (7) and the mounting plate (3). A plurality of through holes (2) are provided on a side of the screw rod (7) close to the mounting plate (3). A turntable (10) is installed at the right end of the screw rod (7), and a liquid injection hole (9) is provided in the middle of the turntable (10). A flow guide channel (14) is arranged inside the screw rod (7), and the flow guide channel (14) and the liquid injection hole (9) are communicated.

2. The building wall expansion chemical anchor according to claim 1, characterized in that: A sealing plug (8) is inserted into the interior of the liquid injection hole (9).

3. The building wall expansion chemical anchor according to claim 1, characterized in that: A gasket (13) is connected to one end of the fixing plate (6) that is away from the nut (12).

4. The building wall expansion chemical anchor according to claim 1, characterized in that: The reinforcement component (4) comprises a threaded sleeve (405), wherein the threaded sleeve (405) is threadedly connected to the outer wall of the screw rod (7), a second connecting block (404) is connected to the left side of the threaded sleeve (405), a connecting rod (403) is hingedly connected to one end of the second connecting block (404) away from the threaded sleeve (405), a first connecting block (402) is hingedly connected to one end of the connecting rod (403) away from the second connecting block (404), and a movable seat (401) is installed at one end of the first connecting block (402) away from the second connecting block (404).

5. The building wall expansion chemical anchor according to claim 4, characterized in that: A plurality of convex teeth (4011) are connected to a side of the movable seat (401) away from the center of the screw rod (7).

6. The building wall expansion chemical anchor according to claim 4, characterized in that: A sliding block (4012) is connected to a side of the movable seat (401) away from the connecting rod (403), and a sliding groove (301) is provided on the right side of the mounting plate (3), and the sliding groove (301) is slidably connected to the sliding block (4012).

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