Ventilation door with one-lock three-opening flag positioning function

Abstract

The utility model relates to a ventilation door with a one-lock three-opening flag positioning function, which belongs to the field of ventilation doors and comprises a ventilation door, a one-lock three-opening flag positioning device, a ventilation opening and a ventilation net, adjusting mechanisms are arranged on the inner wall and the outer wall of the ventilation door, and each adjusting mechanism comprises mounting plates fixedly mounted on the top outer wall and the bottom outer wall of the ventilation net respectively. Sliding blocks are fixedly mounted on the outer walls of the left side and the right side of the bottom mounting plate correspondingly, a U-shaped adjusting frame is fixedly mounted in the ventilation door, and a push rod is fixedly mounted on the back side of the bottom mounting plate. According to the ventilation door with the one-lock three-opening flag positioning function, the height of a ventilation net is conveniently adjusted under the action of a sliding block, a U-shaped adjusting frame and a push rod, the position of a limiting ring is conveniently adjusted under the action of a threaded rod, an adjusting base, a connecting shaft, a connecting rod and an adjusting rod, and the limiting ring and a mounting column are connected to fix the ventilation net; the ventilation net can be closed or used according to the air quality, and the use convenience of the ventilation door is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation doors, in particular to a ventilation door with one-lock and three-open flag positioning. Background Art

[0002] Ventilation doors are designed to achieve indoor and outdoor air circulation, and usually have ventilation windows on the door. This design helps improve indoor air quality and is particularly suitable for places that require a good ventilation environment, such as warehouses and factories. "One lock" means that the door is equipped with a high-grade lock, such as a C-level lock, which has a long time to prevent technical opening and can provide higher security. "Three-opening flag positioning" is a special positioning method that may involve three different parts of the door or three different opening methods to ensure that the door can be accurately and firmly positioned when closed to prevent it from being blown open or accidentally opened. Ventilation doors with one lock and three-opening flag positioning not only achieve ventilation functions, but also provide higher security and convenience through unique design and high-grade locks. This type of door product is suitable for places that require good ventilation and high security, and can meet customers' multi-faceted needs for indoor environment, air quality and safety.

[0003] At present, ventilation doors are generally provided with dust nets to reduce dust from entering the room and greatly improve the indoor air quality. However, the ventilation doors are generally fixedly installed on the ventilation doors, so the dust net cannot be adjusted. When the outdoor air quality is high, there is no need to use the dust net, which will affect the circulation of indoor and outdoor air. Therefore, a ventilation door with one lock and three open flags is proposed. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a ventilation door with one lock and three opening flags, which has the advantages of improving the convenience of using the ventilation door and solving the problem that the dustproof net cannot be adjusted. When the outdoor air quality is high, there is no need to use the dustproof net, which will affect the circulation of indoor and outdoor air.

[0005] To achieve the above object, the utility model provides the following technical solutions: a ventilation door with one-lock and three-open flag positioning, comprising a ventilation door, a one-lock and three-open flag positioning device, a vent and a ventilation net, wherein the inner and outer walls of the ventilation door are provided with an adjustment mechanism;

[0006] The adjustment mechanism includes mounting plates respectively fixedly mounted on the top outer wall and the bottom outer wall of the ventilation net, sliding blocks are respectively fixedly mounted on the left and right outer walls of the bottom mounting plate, a U-shaped adjustment frame is fixedly mounted inside the ventilation door, a push rod is fixedly mounted on the back side of the bottom mounting plate, two mounting columns are fixedly mounted on the back side of the top mounting plate, a mounting seat is fixedly mounted on the back side of the ventilation door, a threaded rod is rotatably connected inside the mounting seat, an adjustment seat is threadedly connected to the outer peripheral wall of the threaded rod, a connecting shaft is fixedly mounted on the top outer wall of the adjusting seat, a connecting rod is fixedly mounted on the top outer wall of the connecting shaft, two adjusting rods are fixedly mounted on the bottom of the connecting rod, and a limiting ring is fixedly mounted on the bottom of the adjusting rod.

[0007] Furthermore, a closed door is rotatably connected to the back side of the ventilation door, a holder is fixedly installed on the back side of the ventilation door, and the width and height of the closed door are the same as the width and height of the ventilation net.

[0008] Furthermore, the ventilation net is slidably connected between the left and right inner walls of the U-shaped adjustment frame, and the left and right inner walls of the U-shaped adjustment frame are both provided with sliding grooves, and the slider is slidably connected inside the sliding groove and has a matching size.

[0009] Furthermore, the push rod is in a "T" shape, an adjustment groove is provided on the back side of the ventilation door, and the push rod is slidably connected inside the adjustment groove and is adapted in size.

[0010] Furthermore, a threaded hole is provided inside the adjustment seat, the threaded rod is threadedly connected inside the threaded hole and has a matching size, a movable groove is provided on the top of the mounting seat, the connecting shaft is slidably connected inside the movable groove and has a matching size.

[0011] Furthermore, the diameter of the mounting column is the same as the inner diameter of the limiting ring, and the limiting ring is sleeved on the outer peripheral wall of the mounting column.

[0012] Furthermore, there are two ventilation doors, there are two one-lock three-open flag positioning devices and they are respectively installed on the front sides of the two ventilation doors, the ventilation openings are opened inside the ventilation doors, and the ventilation net is slidably connected inside the ventilation doors and located at the ventilation openings.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The ventilation door with one-lock and three-open flag positioning can adjust the height of the ventilation net through the action of a slider, a U-shaped adjustment frame and a push rod, and can adjust the position of a limit ring through the action of a threaded rod, an adjustment seat, a connecting shaft, a connecting rod and an adjustment rod, so that the limit ring is connected to the mounting column to fix the ventilation net, so that the ventilation net can be closed or used according to the quality of air, thereby improving the convenience of using the ventilation door. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the cross-section structure;

[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the dorsal structure;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the mounting seat of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection structure of the installation column and the limiting ring of the utility model.

[0020] In the figure: 1. ventilation door; 2. one-lock three-open flag positioning device; 3. ventilation port; 4. ventilation net; 5. mounting plate; 6. slider; 7. U-shaped adjustment frame; 8. push rod; 9. mounting column; 10. mounting seat; 11. threaded rod; 12. adjustment seat; 13. connecting shaft; 14. connecting rod; 15. adjustment rod; 16. limit ring; 17. closing door; 18. holder. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 In this embodiment, a ventilation door with one-lock and three-open flag positioning includes a ventilation door 1, a one-lock and three-open flag positioning device 2, a vent 3 and a ventilation net 4, and the inner and outer walls of the ventilation door 1 are provided with an adjustment mechanism.

[0023] There are two ventilation doors 1, two one-lock three-open flag positioning devices 2 and they are respectively installed on the front sides of the two ventilation doors 1, the ventilation openings 3 are opened inside the ventilation doors 1, and the ventilation net 4 is slidably connected inside the ventilation doors 1 and is located at the ventilation openings 3.

[0024] The adjustment mechanism includes mounting plates 5 respectively fixedly mounted on the top outer wall and the bottom outer wall of the ventilation net 4, sliders 6 are respectively fixedly mounted on the left and right outer walls of the bottom mounting plate 5, a U-shaped adjustment frame 7 is fixedly mounted inside the ventilation door 1, the ventilation net 4 is slidably connected between the left and right inner walls of the U-shaped adjustment frame 7, and the left and right inner walls of the U-shaped adjustment frame 7 are provided with sliding grooves, the slider 6 is slidably connected inside the sliding groove and is adapted in size, a push rod 8 is fixedly mounted on the back side of the bottom mounting plate 5, the push rod 8 is "T"-shaped, an adjustment groove is provided on the back side of the ventilation door 1, the push rod 8 is slidably connected inside the adjustment groove and is adapted in size.

[0025] Two mounting columns 9 are fixedly installed on the back side of the top mounting plate 5, and a mounting seat 10 is fixedly installed on the back side of the ventilation door 1. A threaded rod 11 is rotatably connected inside the mounting seat 10, and an adjustment seat 12 is threadedly connected to the outer peripheral wall of the threaded rod 11. A threaded hole is provided inside the adjustment seat 12, and the threaded rod 11 is threadedly connected inside the threaded hole and the size is adapted. A movable groove is provided on the top of the mounting seat 10, and a connecting shaft 13 is slidably connected inside the movable groove and the size is adapted.

[0026] A connecting shaft 13 is fixedly installed on the top outer wall of the adjusting seat 12, a connecting rod 14 is fixedly installed on the top outer wall of the connecting shaft 13, two adjusting rods 15 are fixedly installed on the bottom of the connecting rod 14, a limiting ring 16 is fixedly installed on the bottom of the adjusting rod 15, the diameter of the mounting column 9 is the same as the inner diameter of the limiting ring 16, and the limiting ring 16 is sleeved on the outer peripheral wall of the mounting column 9.

[0027] The back side of the ventilation door 1 is rotatably connected with a closed door 17 , and the back side of the ventilation door 1 is fixedly installed with a holder 18 . The width and height of the closed door 17 are the same as the width and height of the ventilation net 4 .

[0028] In this embodiment, the lock part of the one-lock three-open flag positioning device 2 is mainly composed of a lock core, a lock tongue and a lock body. The lock core is the core of controlling the switch of the lock, and usually adopts a high-level anti-theft design, which can resist various technical unlocking methods. The lock tongue is the protruding part of the lock. When the lock is locked, the lock tongue will extend and insert into the lock hole of the door frame to achieve a secure locking of the door. The lock body is the fixed part of the lock, which is responsible for firmly mounting the lock on the door panel. The three-open flag positioning part is composed of three main positioning mechanisms, which are respectively located at the upper, middle and lower parts of the door. Each positioning mechanism includes a retractable positioning flag, which is usually made of wear-resistant and corrosion-resistant materials to ensure its long service life. When the door is closed, the positioning flag will extend and contact the door frame or the ground, thereby achieving precise positioning of the door.

[0029] In this embodiment, when rain or snow occurs, the closed door 17 can be rotated to engage with the holder 18 to prevent outdoor rain or snow from entering the room through the ventilation net 4 .

[0030] The working principle of the above embodiment is:

[0031] When the outdoor air quality is poor, the user holds the push rod 8 by hand to push the mounting plate 5 upward, and the ventilation net 4 will move upward synchronously. When the ventilation net 4 is completely located inside the vent 3, the user rotates the threaded rod 11 to drive the adjustment seat 12 to move. The adjustment seat 12 will drive the connecting shaft 13, the connecting rod 14, the adjustment rod 15 and the limit ring 16 to move toward the back side of the ventilation door 1. At this time, the limit ring 16 will be sleeved on the outer peripheral wall of the mounting column 9. The fixing of the ventilation net 4 is now completed. When the ventilation net 4 is not in use, the limit ring 16 can be separated from the mounting column 9.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation door with one-lock and three-open flag positioning, comprising a ventilation door (1), a one-lock and three-open flag positioning device (2), a ventilation hole (3) and a ventilation net (4), characterized in that: The inner and outer walls of the ventilation door (1) are provided with adjustment mechanisms; The adjustment mechanism comprises mounting plates (5) respectively fixedly mounted on the top outer wall and the bottom outer wall of the ventilation net (4); sliders (6) are respectively fixedly mounted on the left and right outer walls of the bottom mounting plate (5); a U-shaped adjustment frame (7) is fixedly mounted inside the ventilation door (1); a push rod (8) is fixedly mounted on the back side of the bottom mounting plate (5); two mounting columns (9) are fixedly mounted on the back side of the top mounting plate (5); and a mounting plate (1) is fixedly mounted on the back side of the ventilation door (1). A seat (10) is provided, wherein a threaded rod (11) is rotatably connected inside the mounting seat (10), an outer peripheral wall of the threaded rod (11) is threadedly connected to an adjustment seat (12), a connecting shaft (13) is fixedly mounted on the top outer wall of the adjustment seat (12), a connecting rod (14) is fixedly mounted on the top outer wall of the connecting shaft (13), two adjusting rods (15) are fixedly mounted on the bottom of the connecting rod (14), and a limiting ring (16) is fixedly mounted on the bottom of the adjusting rod (15).

2. A ventilation door with one-lock and three-open flag positioning according to claim 1, characterized in that: The back side of the ventilation door (1) is rotatably connected to a closed door (17), the back side of the ventilation door (1) is fixedly mounted with a holder (18), and the width and height of the closed door (17) are the same as the width and height of the ventilation net (4).

3. The ventilation door with one-lock and three-open flag positioning according to claim 1, characterized in that: The ventilation net (4) is slidably connected between the left and right inner walls of the U-shaped adjustment frame (7), and the left and right inner walls of the U-shaped adjustment frame (7) are both provided with sliding grooves, and the sliding block (6) is slidably connected inside the sliding grooves and is of a matching size.

4. The ventilation door with one-lock and three-open flag positioning according to claim 1, characterized in that: The push rod (8) is in a "T" shape, and an adjustment groove is provided on the back side of the ventilation door (1). The push rod (8) is slidably connected inside the adjustment groove and has a matching size.

5. The ventilation door with one-lock and three-open flag positioning according to claim 1, characterized in that: A threaded hole is provided inside the adjusting seat (12), the threaded rod (11) is threadedly connected inside the threaded hole and has a matching size, a movable groove is provided on the top of the mounting seat (10), and the connecting shaft (13) is slidably connected inside the movable groove and has a matching size.

6. The ventilation door with one-lock and three-open flag positioning according to claim 1, characterized in that: The diameter of the installation column (9) is the same as the inner diameter of the limiting ring (16), and the limiting ring (16) is sleeved on the outer peripheral wall of the installation column (9).

7. The ventilation door with one-lock and three-open flag positioning according to claim 1, characterized in that: The number of the ventilation doors (1) is two, the number of the one-lock three-open flag positioning devices (2) is two and they are respectively installed on the front sides of the two ventilation doors (1), the ventilation openings (3) are opened inside the ventilation doors (1), and the ventilation net (4) is slidably connected inside the ventilation doors (1) and is located at the ventilation openings (3).

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