Quick mounting device for bottom beam of roller shutter door

By designing a bottom beam installation device for fast rolling shutter doors, the automatic plug-in between the bottom beam and the rolling shutter door is realized by combining the T-shaped slide chute and the slider, the safety hazards existing in the installation of the existing middle-level bottom beams are solved and the installation safety is improved.

CN223018533UActive Publication Date: 2025-06-24ZHEJIANG DAJING CONSTR GRP CO LTD
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Patent Information

Application Number
CN202421614276.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-06-24
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

When installing the existing fast rolling shutter bottom beam, it is necessary to manually break open the wedge groove and then insert the bottom beam, which poses safety hazards and can easily lead to hand clamping.

Method used

A quick roller shutter door bottom beam installation device is designed, including a U-shaped bottom beam, a cylinder, a sliding plate, a connecting rod, a limiting plate, a spring and an insertion rod. Through the cooperation of the T-shaped slide groove and a slider, the functions of the spring and the insertion rod are used to realize the automatic plug-in between the bottom beam and the rolling shutter door, avoiding the use of wedge grooves.

Benefits of technology

The device can reliably connect the bottom beam and the roller shutter door without a wedge groove, avoiding the risk of hand clamping by staff and improving installation safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick mounting device for a bottom beam of a roller shutter door, which belongs to the technical field of roller shutter doors and comprises the roller shutter door and the bottom beam, the bottom beam is U-shaped, and mounting structures are arranged on two sides of the bottom beam. The mounting structure comprises a barrel, a sliding plate located in the barrel, a connecting rod connected with the sliding plate, a limiting plate located at the end, extending out of the barrel, of the connecting rod, a spring connected to the connecting rod in a sleeving mode and an inserting rod connected with the limiting plate, and the two ends of the spring are connected with the limiting plate and the barrel correspondingly. When the roller shutter door is installed, the bottom beam slides to be flush with the roller shutter door, at the moment, the inserting holes in the roller shutter door correspond to the inserting rods on the bottom beam in position, the pull rods are pushed to be inserted into the inserting grooves under the action of the springs, and the connecting rods are still located in the barrel, so that the roller shutter door is matched with the bottom beam in an inserted mode, and installation is completed. According to the structure, the bottom beam and the roller shutter door can be reliably connected without arranging a wedge-shaped groove, and the wedge-shaped groove is prevented from pinching workers.
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Description

Technical Field

[0001] The utility model relates to the technical field of rolling doors, in particular to an installation device for the bottom beam of a rapid rolling door. Background Technique

[0002] A rapid rolling door refers to a door with a running speed exceeding 0.6 meters per second. It is a barrier-free isolation door with rapid lifting and lowering. Its main function is rapid isolation, so as to ensure the dust-free level of the air quality in the workshop. It has multiple functions such as heat preservation, cold preservation, insect prevention, wind prevention, dust prevention, sound insulation, fire prevention, odor prevention, and daylighting, and is widely used in various places such as food, chemical, textile, electronics, supermarket, freezing, logistics, and warehousing. It can highly meet the requirements of high-performance logistics and clean places, and has the advantages of saving energy, automatically closing at high speed, improving operation efficiency, and creating a better operation environment.

[0003] However, when installing the bottom beam of the existing rapid rolling door, it is necessary for the staff to hold the I-shaped installation strip and open the wedge-shaped inner groove of the I-shaped installation strip, so that another staff can insert the bottom beam into the I-shaped installation strip through the inner groove, so that the wedge-shaped groove can clamp the bottom beam for firm connection. However, this method has certain safety hazards, and the hands of the staff are easily pinched. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is that when installing the existing bottom beam, it is necessary to manually open the wedge-shaped groove and then insert the bottom beam into the wedge-shaped groove, which has certain safety hazards.

[0005] To solve the above technical problems, the technical solution provided by the utility model is: an installation device for the bottom beam of a rapid rolling door, including a rolling door and a bottom beam. The bottom beam is U-shaped, and installation structures are provided on both sides of the bottom beam. The installation structure includes a cylinder body, a sliding plate located inside the cylinder body, a connecting rod connected to the sliding plate, a limiting plate located at one end of the connecting rod extending out of the cylinder body, a spring sleeved on the connecting rod, and an insertion rod connected to the limiting plate. The two ends of the spring are respectively connected to the limiting plate and the cylinder body.

[0006] As a further solution of the utility model, the sliding plate is slidably connected to the inner wall of the cylinder body. A pull rod is connected to the sliding plate. The shape of the pull rod is U-shaped, and the two ends of the pull rod are respectively rotatably connected to both sides of the sliding plate.

[0007] As a further solution of the utility model, a jack corresponding to the position of the insertion rod is provided on the rolling door.

[0008] As a further solution of the utility model, a T-shaped slider is provided under the rolling door, and a T-shaped sliding groove is provided inside the bottom beam. The T-shaped slider is slidably matched with the T-shaped sliding groove.

[0009] As a further solution of the utility model, through holes enabling the insertion rods to pass through are provided on the bottom beam.

[0010] As a further solution of the utility model, strip-shaped holes enabling the U-shaped pull rods to move are provided on the cylinder body.

[0011] The advantages of the utility model compared with the prior art are as follows: By providing an installation structure, the T-shaped sliding groove including the bottom beam is in sliding fit with the T-shaped sliding block under the rolling shutter door. The bottom beam is slid to be flush with the rolling shutter door. At this time, the insertion holes on the rolling shutter door correspond to the positions of the insertion rods on the bottom beam. Under the action of the spring, the pull rod is pushed into the insertion slot. And since the connecting rod is still inside the cylinder body, the rolling shutter door and the bottom beam are plugged and matched to complete the installation. This structure can reliably connect the bottom beam and the rolling shutter door without setting a wedge-shaped groove, avoiding pinching the staff by the wedge-shaped groove. Description of the Drawings

[0012] Figure 1 is a three-dimensional view of an installation device for the bottom beam of a fast rolling shutter door of the utility model.

[0013] Figure 2 is an exploded structural schematic diagram of an installation device for the bottom beam of a fast rolling shutter door of the utility model.

[0014] Figure 3 is an installation structural schematic diagram of an installation device for the bottom beam of a fast rolling shutter door of the utility model.

[0015] Figure 4 is a cross-sectional schematic diagram of the bottom beam of an installation device for the bottom beam of a fast rolling shutter door of the utility model.

[0016] As shown in the figure: 1. Rolling shutter door; 2. Bottom beam; 3. Cylinder body; 4. Sliding plate; 5. Connecting rod; 6. Limiting plate; 7. Spring; 8. Insertion rod; 9. Pull rod; 10. Insertion hole; 11. T-shaped sliding groove; 12. T-shaped sliding block; 13. Strip-shaped hole. Detailed Embodiment

[0017] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.

[0018] In the description of the utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "equipped with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific situations.

[0019] Combined with the attached Figure 1 、 Figure 2 Figure, a mounting device for the bottom beam 2 of a fast rolling shutter door 1, comprising a rolling shutter door 1 and a bottom beam 2. The bottom beam 2 is U-shaped. A T-shaped slider 12 is provided below the rolling shutter door 1, and a T-shaped chute 11 is provided inside the bottom beam 2. The T-shaped slider 12 is slidably engaged with the T-shaped chute 11.

[0020] Combined with the attached Figure 2 、 Figure 3 Figure, mounting structures are provided on both sides of the bottom beam 2. The mounting structure includes a cylinder body 3, a sliding plate 4 located inside the cylinder body 3, a connecting rod 5 connected to the sliding plate 4, a limiting plate 6 located at one end of the connecting rod 5 extending out of the cylinder body 3, a spring 7 sleeved on the connecting rod 5, and a plug rod 8 connected to the limiting plate 6. The two ends of the spring 7 are respectively connected to the limiting plate 6 and the cylinder body 3. A jack 10 corresponding to the position of the plug rod 8 is provided on the rolling shutter door 1, and a through hole through which the plug rod 8 can pass is provided on the bottom beam 2.

[0021] Combined with the attached Figure 2 Figure, the sliding plate 4 is slidably connected to the inner wall of the cylinder body 3. A pull rod 9 is connected to the sliding plate 4. The shape of the pull rod 9 is U-shaped. The two ends of the pull rod 9 are respectively rotatably connected to both sides of the sliding plate 4. A strip-shaped hole 13 through which the U-shaped pull rod 9 can move is provided on the cylinder body 3.

[0022] When the present utility model is specifically implemented, first align the bottom beam with the T-shaped slider provided below the rolling shutter door through the T-shaped chute provided inside it, and then push the bottom beam. At this time, the staff needs to pull the pull rod on the pushed-in side outwards to prevent the pull rod from automatically extending into the first jack. After the first jack passes, the pull rod can be released. At this time, the spring is always in a compressed state until the bottom beam moves to be flush with both sides of the rolling shutter door, that is, the two plug rods are respectively corresponding to the positions of the two slots. The spring in the compressed state resumes, driving the plug rods to insert into the slots. And since the connecting rod is still inside the cylinder body, the rolling shutter door and the bottom beam are plugged and matched to complete the installation. This structure can reliably connect the bottom beam and the rolling shutter door without setting a wedge-shaped groove, avoiding pinching the staff by the wedge-shaped groove. After the installation is completed, rotate the pull rod to a position at the same horizontal angle as the bottom beam to avoid accidental touch.

[0023] The above description of the present utility model and its implementation manners is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. In general, if those of ordinary skill in the art are inspired by it and design, without creative efforts, structural manners and embodiments similar to the technical solution without departing from the gist of the creation of the present utility model, they shall fall within the protection scope of the present utility model.

Claims

1. A fast rolling door bottom beam installation device, comprising a rolling door (1) and a bottom beam (2), wherein the bottom beam (2) is U-shaped, and is characterized in that: Both sides of the bottom beam (2) are provided with mounting structures, the mounting structures comprising a cylinder (3), a sliding plate (4) located in the cylinder (3), a connecting rod (5) connected to the sliding plate (4), a limiting plate (6) located at one end of the connecting rod (5) extending outside the cylinder (3), a spring (7) sleeved on the connecting rod (5), and an insertion rod (8) connected to the limiting plate (6), wherein the two ends of the spring (7) are respectively connected to the limiting plate (6) and the cylinder (3).

2. A fast rolling door bottom beam installation device according to claim 1, characterized in that: The sliding plate (4) is slidably connected to the inner wall of the cylinder (3), and a pull rod (9) is connected to the sliding plate (4). The pull rod (9) is U-shaped, and the two ends of the pull rod (9) are rotatably connected to the two sides of the sliding plate (4).

3. The fast rolling door bottom beam installation device according to claim 1, characterized in that: The rolling shutter door (1) is provided with an insertion hole (10) corresponding to the position of the insertion rod (8).

4. The fast rolling door bottom beam installation device according to claim 1, characterized in that: A T-shaped sliding block (12) is provided below the rolling door (1), a T-shaped sliding groove (11) is provided inside the bottom beam (2), and the T-shaped sliding block (12) is slidably matched with the T-shaped sliding groove (11).

5. The fast rolling door bottom beam installation device according to claim 1, characterized in that: The bottom beam (2) is provided with a through hole through which the insertion rod (8) can pass.

6. A fast rolling door bottom beam installation device according to claim 2, characterized in that: The cylinder (3) is provided with a strip-shaped hole (13) capable of moving the U-shaped pull rod (9).