Ceiling access hole opening fan

Abstract

The utility model discloses a ceiling access hole opening fan which comprises a lead screw fixed on a steel structure transfer layer, the other end of the lead screw is fixedly connected with a group of vertically corresponding additional keels through an upper nut and a lower nut, and the vertically corresponding additional keels are vertically and fixedly connected with a group of limiting keels. The limiting keel on the left side is connected with a rotating hinge through a bolt, one side of the limiting keel on the right side is connected with a spring cotter through a bolt, the limiting keel on the left side is rotationally connected with a metal net plate opening sash through the rotating hinge, and the free end of the metal net plate opening sash is provided with an inserting piece corresponding to the spring cotter; through the optimized and improved design of the product, a user can easily open and close the ceiling access hole opening sash, and the ceiling access hole opening sash is flush with the surface of a ceiling in the closed state, so that the ceiling is kept attractive and uniform, and the service life of the ceiling is prolonged. Therefore, operation convenience is improved, maintenance convenience is improved, attractiveness and neatness are improved, and safety, durability and reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to indoor decoration and building equipment maintenance technical field, concretely, relate to a ceiling access hatch opening fan. BACKGROUND

[0002] At present, there are various opening devices for ceiling access hatches, some of which include the following technologies:

[0003] 1. Manual opening device: a common method is to use a manual tool, such as a screwdriver or wrench, to disassemble or rotate the bolts, nuts or other fixing parts that fix the ceiling access hatch. This method requires manual operation, which may require a lot of strength and time, and is not very convenient.

[0004] 2. Push-pull opening device: another common method is to open the ceiling access hatch by a push-pull device. This device usually includes a slidable fan-shaped plate or door, which is opened or closed by push-pull operation. However, the push-pull device may have problems such as sliding smoothly, being easily damaged, or requiring additional space to accommodate the sliding parts.

[0005] Although there are existing technologies for the above-mentioned access hatch opening fan, there is still room for improvement to provide a more convenient, efficient and reliable ceiling access hatch opening device. SUMMARY

[0006] In view of the above technical problems in the related art, the utility model provides a ceiling access hatch opening fan, which can overcome the above-mentioned shortcomings of the prior art.

[0007] To achieve the above technical purposes, the technical scheme of the utility model is as follows:

[0008] A ceiling access hatch opening fan;

[0009] The ceiling access hatch opening fan includes a lead screw fixed on a steel structure transfer floor, the other end of the lead screw is fixedly connected with a corresponding set of additional keels through upper and lower nuts, a set of limiting keels are vertically fixedly connected on the corresponding set of additional keels, a rotating hinge is connected on the left limiting keel through a bolt, a spring latch is connected on one side of the right limiting keel through a bolt, and a metal mesh opening fan is rotatably connected on the left limiting keel through the rotating hinge, and the free end of the metal mesh opening fan is provided with a plug corresponding to the spring latch.

[0010] Further, the lead screw and the additional keel are fixed by a wind pressure prevention piece.

[0011] Furthermore, the additional keel and the limiting keel are fixed together with anti-loosening bolts, and the additional keel and the limiting keel are arranged in a "well" shape to form a rectangular frame.

[0012] Furthermore, a fall-prevention chain is provided between the metal mesh panel opening fan and the additional keel.

[0013] Furthermore, the rotating hinge is a stainless steel rotating hinge.

[0014] Furthermore, the limiting keel is a C-shaped limiting keel, with the C-shaped opening side of the C-shaped limiting keel facing inward.

[0015] Furthermore, the additional keel is a hot-dip galvanized additional keel, and the cross-sectional dimensions of the hot-dip galvanized additional keel are 40*40mm.

[0016] Furthermore, the lead screw is a galvanized lead screw, and the galvanized lead screw is an M8 galvanized lead screw.

[0017] The beneficial effects of this utility model are as follows: Through the optimized and improved design of this utility model product, users can easily open and close the ceiling access panel, and when closed, it is flush with the ceiling surface, maintaining the aesthetics and uniformity of the ceiling. This improves the ease of operation, increases the convenience of maintenance, enhances the aesthetics and cleanliness, and improves safety, durability and reliability. These benefits can enhance the user experience, simplify maintenance work, and improve the overall quality and appearance of the ceiling. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a ceiling access panel according to an embodiment of the present utility model;

[0020] Figure 2 This is a front view of the overall structure of a ceiling access panel according to an embodiment of the present utility model;

[0021] Figure 3 This is a left view of the overall structure of a ceiling access panel according to an embodiment of the present utility model;

[0022] Figure 4 This is a right view of the overall structure of a ceiling access panel opening fan according to an embodiment of the present utility model;

[0023] In the diagram: 1. Lead screw; 2. Additional keel; 3. Limiting keel; 4. Spring pin; 5. Rotating hinge; 6. Metal mesh panel opening fan; 7. Anti-fall chain. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art are within the protection scope of the present utility model.

[0025] It should be understood that in the description of the embodiments of this utility model, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of the embodiments of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0026] like Figures 1-4 As shown in the embodiment of this utility model, a ceiling access panel opening fan includes a threaded rod 1 fixed on a steel structure transition layer. The other end of the threaded rod 1 is fixedly connected to a set of upper and lower corresponding auxiliary keels 2 by upper and lower nuts. A set of limiting keels 3 is vertically fixedly connected to the set of upper and lower corresponding auxiliary keels 2. A rotating hinge 5 is bolted to the left limiting keel 3. A spring pin 4 is bolted to one side of the right limiting keel 3. A metal mesh opening fan 6 is rotatably connected to the left limiting keel 3 by the rotating hinge 5. The free end of the metal mesh opening fan 6 is provided with a plug corresponding to the spring pin 4.

[0027] According to an embodiment of the present invention, in a specific embodiment of a ceiling access panel, the lead screw 1 and the additional keel 2 are fixed together by a windproof pressure member.

[0028] According to an embodiment of the present utility model, in a specific embodiment, the additional keel 2 and the limiting keel 3 are fixed with anti-loosening bolts, and the additional keel 2 and the limiting keel 3 are arranged in a "well" shape to form a rectangular frame.

[0029] According to an embodiment of the present invention, in a specific embodiment of a ceiling access panel opening fan 6, a fall prevention chain 7 is provided between the metal mesh opening fan 6 and the additional keel 2.

[0030] According to an embodiment of the present invention, in a specific embodiment of a ceiling access panel, the rotating hinge 5 is a stainless steel rotating hinge.

[0031] According to an embodiment of the present utility model, in a specific embodiment of a ceiling access panel, the limiting keel 3 is a C-shaped limiting keel, and the C-shaped opening side of the C-shaped limiting keel faces inward.

[0032] According to an embodiment of the present invention, in a specific embodiment of a ceiling access panel, the additional keel 2 is a hot-dip galvanized additional keel, and the cross-sectional dimensions of the hot-dip galvanized additional keel are 40*40mm.

[0033] According to an embodiment of the present invention, in a specific embodiment of a ceiling access panel opening fan, the lead screw 1 is a galvanized lead screw, and the galvanized lead screw is an M8 galvanized lead screw.

[0034] To facilitate understanding of the above-mentioned technical solutions of this utility model, the following detailed description of the above-mentioned technical solutions of this utility model is provided through specific usage methods.

[0035] In practical use, the ceiling access panel opening fan according to this utility model includes a lead screw 1, an additional keel 2, a limiting keel 3, a metal mesh opening fan 6, a rotating hinge 5, a spring pin 4, a fall prevention chain 7, and several bolts.

[0036] The limiting keels 2 at both ends of the metal mesh opening fan 6 are fixed to the additional keel 2 with anti-loosening bolts. The rotating hinge 5 is bolted to the limiting keel 3 on one side, and the spring pin 4 is bolted to the limiting keel on the other side. The 40*40 hot-dip galvanized additional keel 2 is fixedly connected to the upper and lower nuts of the M8 type screw 1 fixed to the steel structure conversion layer at one end, and fixed with windproof pressure parts. One end of the anti-fall chain 7 is connected to the additional keel 2, and the other end of the anti-fall chain 7 is connected to the back of the metal mesh opening fan 6.

[0037] Among them, the lead screw 1 preferably adopts M8 galvanized lead screw, the additional keel 2 preferably adopts 40*40mm hot-dip galvanized additional keel, and the limiting keel 3 is a C-shaped limiting keel, and the opening side of the C-shaped limiting keel is arranged towards the inside.

[0038] The utility model solves the following technical problems:

[0039] 1. Inconvenient operation: traditional ceiling access opening device may need to use tools or large force to operate, which brings inconvenience to users. This patent aims to provide a more convenient and easy-to-operate opening fan, so that users can easily open and close the ceiling access opening.

[0040] 2. Unsightly appearance: traditional opening device may damage the neat appearance of the ceiling, affecting the interior decoration effect. This patent aims to design an opening fan that perfectly fits the ceiling, so that it is flush with the ceiling surface in the closed state, maintaining the beauty and unity of the ceiling.

[0041] 3. Safety, stability and durability: when operating the ceiling access opening, safety, stability and durability are key considerations. This patent aims to ensure the stability and safety of the opening fan in the case of frequent maintenance, avoiding accidents during operation and protecting the personal safety of users.

[0042] In summary, with the help of the above technical solutions of the utility model, through the optimization and improvement design of the utility model product, the user can easily open and close the ceiling access opening fan, and it is flush with the ceiling surface in the closed state, maintaining the beauty and unity of the ceiling, thereby improving the operation convenience, increasing the maintenance convenience, improving the appearance and cleanliness, and improving the safety, durability and reliability. These benefits can improve the user's experience, simplify maintenance work, and improve the overall quality and appearance of the ceiling.

[0043] The above is only a preferred embodiment of the utility model, and does not limit the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A ceiling-mounted access panel, characterized in that, The system includes a screw rod (1) fixed on the steel structure conversion layer. The other end of the screw rod (1) is fixedly connected to a set of corresponding upper and lower auxiliary keels (2) by upper and lower nuts. A set of limiting keels (3) is vertically fixedly connected to the set of corresponding upper and lower auxiliary keels (2). A rotating hinge (5) is bolted to the left limiting keel (3). A spring pin (4) is bolted to one side of the right limiting keel (3). A metal mesh opening fan (6) is rotatably connected to the left limiting keel (3) by the rotating hinge (5). The free end of the metal mesh opening fan (6) is provided with a plug corresponding to the spring pin (4).

2. The ceiling access panel opening fan according to claim 1, characterized in that, The lead screw (1) and the additional keel (2) are fixed together by a windproof pressure member.

3. A ceiling access panel opening fan according to claim 1, characterized in that, The additional keel (2) and the limiting keel (3) are fixed with anti-loosening bolts. The additional keel (2) and the limiting keel (3) are arranged in a "well" shape and form a rectangular frame.

4. A ceiling access panel opening fan according to claim 1, characterized in that, A fall-prevention chain (7) is provided between the metal mesh panel opening fan (6) and the additional keel (2).

5. A ceiling access panel opening fan according to claim 1, characterized in that, The rotating hinge (5) is a stainless steel rotating hinge.

6. A ceiling access panel opening fan according to claim 1, characterized in that, The limiting keel (3) is a C-type limiting keel, and the C-type opening side of the C-type limiting keel is set to face inward.

7. A ceiling access panel opening fan according to claim 1, characterized in that, The additional keel (2) is a hot-dip galvanized additional keel, and the cross-sectional dimensions of the hot-dip galvanized additional keel are 40*40mm.

8. A ceiling access panel opening fan according to claim 1, characterized in that, The lead screw (1) is a galvanized lead screw, and the galvanized lead screw is an M8 galvanized lead screw.

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