Anti-prying structure of grating roller shutter door

Abstract

The utility model discloses an anti-prying structure of a grating roller shutter door, which comprises channel steel, the front surface of the channel steel is rotatably connected with a gear through a bearing, the front surface of the channel steel is provided with a mounting frame, the front surface of the mounting frame is bolted with a motor, and the output end of the motor is bolted with the gear through a coupler. Toothed plates are meshed with the top and the bottom of the gear through teeth, and a user can install channel steel on the roller shutter door through a third bolt and then install a limiting sleeve on a door frame through a fourth bolt. And by arranging the channel steel, the strength of the device can be effectively improved, and therefore the device can be effectively prevented from being pried to be bent. A user can start a motor to drive a gear to rotate, so that the gear drives a toothed plate to slide in a sliding rail. And then the toothed plate drives the inserting rod to slide in the sliding sleeve through the connecting block, one end of the inserting rod moves in the limiting sleeve, and therefore reinforced locking can be effectively and conveniently conducted on the grating roller shutter door.

Description

Technical Field

[0001] The utility model belongs to the technical field of rolling doors, and particularly relates to an anti-prying structure of a grille rolling door. Background Art

[0002] A rolling door is a common type of door and window, with a unique working principle and diverse application scenarios.

[0003] At present, Chinese utility model with the publication number of CN215565621U discloses an anti-prying structure of a rolling door, including a fixing piece and a base. The fixing piece includes a cover body and a hook, the hook is arranged at the bottom of the cover body, the base includes a base plate, a first groove is arranged on the surface of the base plate, a second groove is arranged at the bottom of the first groove, a concave hole is arranged on one side of the second groove, a first spring is arranged at the inner bottom of the concave hole, one end of the first spring is fixed with a first ejector rod, a wedge block is fixed at one end of the first ejector rod, a second ejector rod is arranged on one side of the second groove, the hook is clamped and fixed with the first ejector rod and the second ejector rod. When closing the rolling door, the hook is clamped between the first ejector rod and the second ejector rod, and the cover body and the base plate are closely attached, so as to improve the airtight effect between the rolling door and the ground, making it not easy to pry the bottom of the rolling door, and improving the anti-theft effect of the rolling door.

[0004] However, the existing anti-prying structure of the grille rolling door cannot effectively prevent it from being pried and bent, and at the same time, it cannot effectively facilitate the enhanced locking of the grille rolling door. To solve the above problems, we provide an anti-prying structure of a grille rolling door. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an anti-prying structure of a grille rolling door to solve the problems raised in the above background art.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: an anti-prying structure of a grille rolling door, including a channel steel, a gear is rotatably connected to the front surface of the channel steel through a bearing, an installation frame is arranged on the front surface of the channel steel, a motor is bolted to the front surface of the installation frame, an output end of the motor is bolted to the gear through a coupling, tooth plates are engaged with the top and bottom of the gear through teeth, a connecting block is bolted to one end of the tooth plate, a plug rod is bolted to one side of the connecting block, a sliding sleeve is sleeved on the surface of the plug rod, and a limiting sleeve is sleeved on one end of the plug rod.

[0007] Adopting the above technical solution: The user can install the channel steel on the rolling shutter door through bolt three, and then install the limit sleeve on the door frame through bolt four. By setting the channel steel, the strength of the device can be effectively improved, thereby effectively preventing the device from being pried and bent. The user can start the motor to drive the gear to rotate, so that the gear drives the toothed plate to slide inside the slide rail. Subsequently, the toothed plate drives the insertion rod to slide inside the sliding sleeve through the connecting block, so that one end of the insertion rod moves in the limit sleeve, thereby effectively facilitating the strengthening and locking of the grille rolling shutter door.

[0008] The present utility model is further configured such that a slide rail is slidably connected to the surface of the toothed plate, and the inside of the channel steel is bolted to the slide rail.

[0009] Adopting the above technical solution: By setting the slide rail, it can effectively cooperate with the toothed plate for stable sliding.

[0010] The present utility model is further configured such that bolts one are sleeved on both the top and bottom of the mounting bracket, and through holes adapted to the bolts one are provided inside the mounting bracket.

[0011] Adopting the above technical solution: By setting the through holes, it can effectively cooperate with the bolts one for use.

[0012] The present utility model is further configured such that one end of the bolt one is threadedly connected to the channel steel, and a threaded hole one adapted to the bolt one is provided inside the channel steel.

[0013] Adopting the above technical solution: By setting the threaded hole one, it can effectively cooperate with the bolt one for use.

[0014] The present utility model is further configured such that a bolt two is sleeved inside the sliding sleeve, and one end of the bolt two is threadedly connected to the channel steel.

[0015] Adopting the above technical solution: By setting the bolt two, it can effectively install the sliding sleeve.

[0016] The present utility model is further configured such that a round hole one adapted to the bolt two is provided inside the sliding sleeve, and a threaded hole two adapted to the bolt two is provided inside the channel steel.

[0017] Adopting the above technical solution: By setting the threaded hole two, it can effectively cooperate with the bolt two for use.

[0018] The present utility model is further configured such that a bolt three is sleeved inside the channel steel.

[0019] Adopting the above technical solution: By setting the bolt three, it can effectively install the channel steel.

[0020] The present utility model is further configured such that a round hole two adapted to the bolt three is provided inside the channel steel.

[0021] Adopt the above technical solution: By setting the second round hole, it can effectively cooperate with the third bolt for use.

[0022] The present utility model is further configured such that a fourth bolt is sleeved inside the limit sleeve.

[0023] Adopt the above technical solution: By setting the fourth bolt, the limit sleeve can be effectively installed.

[0024] The present utility model is further configured such that a third round hole adapted to the fourth bolt is formed inside the limit sleeve.

[0025] Adopt the above technical solution: By setting the third round hole, it can effectively cooperate with the fourth bolt for use.

[0026] To sum up, the present utility model has the following beneficial effects:

[0027] 1. The user can install the channel steel on the rolling shutter door through the third bolt, and then install the limit sleeve on the door frame through the fourth bolt. By setting the channel steel, the strength of the device can be effectively improved, thereby effectively preventing the device from being pried and bent;

[0028] 2. The user can start the motor to drive the gear to rotate, so that the gear drives the toothed plate to slide inside the slide rail. Subsequently, the toothed plate drives the insertion rod to slide inside the sliding sleeve through the connecting block, so that one end of the insertion rod moves in the limit sleeve, thereby effectively facilitating the enhanced locking of the grille rolling shutter door. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a three-dimensional schematic diagram of the structure of the present utility model;

[0030] Figure 2 is an exploded schematic diagram of the structure of the present utility model;

[0031] Figure 3 is the present utility model Figure 2 partial enlarged view at A in.

[0032] Reference numerals: 1, channel steel; 2, gear; 3, mounting bracket; 4, motor; 5, toothed plate; 6, connecting block; 7, insertion rod; 8, fourth bolt; 9, sliding sleeve; 10, limit sleeve; 11, slide rail; 12, first bolt; 13, through hole; 14, first threaded hole; 15, second bolt; 16, third bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The following further describes the present utility model in detail with reference to the drawings.

[0034] Embodiment 1:

[0035] Refer toFigure 1 , Figure 2 and Figure 3 , an anti-prying structure for a grille rolling door, comprising a channel steel 1. A gear 2 is rotatably connected to the front of the channel steel 1 through a bearing. An installation frame 3 is arranged on the front of the channel steel 1. The user can install the channel steel 1 on the rolling door through a bolt three 16, and then install a limit sleeve 10 on the door frame through a bolt four 8. By providing the channel steel 1, the strength of the device can be effectively improved, thereby effectively preventing the device from being pried and bent.

[0036] Reference Figure 1 , a slide rail 11 is slidably connected to the surface of a toothed plate 5, and the inside of the channel steel 1 is bolted to the slide rail 11. By providing the slide rail 11, it can effectively cooperate with the toothed plate 5 for stable sliding.

[0037] Reference Figure 1 , bolts one 12 are sleeved on both the top and bottom of the installation frame 3, and through holes 13 adapted to the bolts one 12 are provided inside the installation frame 3. By providing the through holes 13, it can effectively cooperate with the bolts one 12 for use.

[0038] Reference Figure 1 , one end of the bolt one 12 is threadedly connected to the channel steel 1, and a threaded hole one 14 adapted to the bolt one 12 is provided inside the channel steel 1. By providing the threaded hole one 14, it can effectively cooperate with the bolt one 12 for use.

[0039] Reference Figure 1 , a bolt two 15 is sleeved inside a sliding sleeve 9, and one end of the bolt two 15 is threadedly connected to the channel steel 1. By providing the bolt two 15, the sliding sleeve 9 can be effectively installed.

[0040] Reference Figure 1 , a round hole one adapted to the bolt two 15 is provided inside the sliding sleeve 9, and a threaded hole two adapted to the bolt two 15 is provided inside the channel steel 1. By providing the threaded hole two, it can effectively cooperate with the bolt two 15 for use.

[0041] Brief description of the usage process: The user can install the channel steel 1 on the rolling door through a bolt three 16, and then install the limit sleeve 10 on the door frame through a bolt four 8. By providing the channel steel 1, the strength of the device can be effectively improved, thereby effectively preventing the device from being pried and bent.

[0042] Example 2:

[0043] Reference Figure 1 , Figure 2 and Figure 3, a motor 4 is bolted to the front of the mounting bracket 3. The output end of the motor 4 is bolted to the gear 2 through a coupling. Tooth plates 5 are engaged with the top and bottom of the gear 2 through teeth. One end of the tooth plate 5 is bolted to a connecting block 6. A plug rod 7 is bolted to one side of the connecting block 6. A sliding sleeve 9 is sleeved on the surface of the plug rod 7. A limiting sleeve 10 is sleeved on one end of the plug rod 7. The user can start the motor 4 to drive the gear 2 to rotate, so that the gear 2 drives the tooth plate 5 to slide inside the slide rail 11. Subsequently, the tooth plate 5 drives the plug rod 7 to slide inside the sliding sleeve 9 through the connecting block 6, so that one end of the plug rod 7 moves in the limiting sleeve 10, thereby effectively facilitating the enhanced locking of the grille rolling door.

[0044] Reference Figure 1 , a bolt three 16 is sleeved inside the channel steel 1. By providing the bolt three 16, the installation of the channel steel 1 can be effectively carried out.

[0045] Reference Figure 1 , a round hole two adapted to the bolt three 16 is opened inside the channel steel 1. By providing the round hole two, it can effectively cooperate with the bolt three 16 for use.

[0046] Reference Figure 1 , a bolt four 8 is sleeved inside the limiting sleeve 10. By providing the bolt four 8, the installation of the limiting sleeve 10 can be effectively carried out.

[0047] Reference Figure 1 , a round hole three adapted to the bolt four 8 is opened inside the limiting sleeve 10. By providing the round hole three, it can effectively cooperate with the bolt four 8 for use.

[0048] Brief description of the usage process: The user can start the motor 4 to drive the gear 2 to rotate, so that the gear 2 drives the tooth plate 5 to slide inside the slide rail 11. Subsequently, the tooth plate 5 drives the plug rod 7 to slide inside the sliding sleeve 9 through the connecting block 6, so that one end of the plug rod 7 moves in the limiting sleeve 10, thereby effectively facilitating the enhanced locking of the grille rolling door.

[0049] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contributions to this embodiment after reading this specification, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. An anti-prying structure for a grille rolling door, comprising a channel steel (1), characterized in that: On the front side of the channel steel (1), a gear (2) is rotatably connected through a bearing. An installation frame (3) is arranged on the front side of the channel steel (1). A motor (4) is bolted to the front side of the installation frame (3). The output end of the motor (4) is bolted to the gear (2) through a coupling. Tooth plates (5) are engaged with the top and bottom of the gear (2) through teeth. A connecting block (6) is bolted to one end of the tooth plate (5). A plug rod (7) is bolted to one side of the connecting block (6). A sliding sleeve (9) is sleeved on the surface of the plug rod (7). A limiting sleeve (10) is sleeved on one end of the plug rod (7).

2. The anti-prying structure of a grille rolling door according to claim 1, wherein: A sliding rail (11) is slidably connected to the surface of the tooth plate (5). The sliding rail (11) is bolted to the inside of the channel steel (1).

3. The anti-prying structure of a grille rolling door according to claim 1, characterized in that: Bolts one (12) are sleeved on the top and bottom of the installation frame (3). Through holes (13) adapted to the bolts one (12) are formed in the inside of the installation frame (3).

4. The anti-prying structure of a grille rolling door according to claim 3, characterized in that: One end of the bolt one (12) is threadedly connected to the channel steel (1). A threaded hole one (14) adapted to the bolt one (12) is formed in the inside of the channel steel (1).

5. The anti-prying structure of a grille rolling door according to claim 1, characterized in that: A bolt two (15) is sleeved in the inside of the sliding sleeve (9). One end of the bolt two (15) is threadedly connected to the channel steel (1).

6. The anti-prying structure of a grille rolling door according to claim 5, characterized in that: A round hole one adapted to the bolt two (15) is formed in the inside of the sliding sleeve (9). A threaded hole two adapted to the bolt two (15) is formed in the inside of the channel steel (1).

7. The anti-prying structure of a grille rolling door according to claim 1, characterized in that: A bolt three (16) is sleeved in the inside of the channel steel (1).

8. The anti-prying structure of a grille rolling door according to claim 7, characterized in that: A round hole two adapted to the bolt three (16) is formed in the inside of the channel steel (1).

9. The anti-prying structure of a grille rolling door according to claim 1, characterized in that: A bolt four (8) is sleeved in the inside of the limiting sleeve (10).

10. The anti-prying structure of a grille rolling door according to claim 9, characterized in that: A round hole three adapted to the bolt four (8) is formed in the inside of the limiting sleeve (10).

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