Automatic positioning anti-falling electric door

Abstract

The utility model provides an automatic positioning anti-falling type electric door which comprises a top seat, a fixing sleeve and a lower positioning plate, the top seat is installed at the top of a door frame, side hanging plates are fixed to the left end and the right end of the top seat, and a left installation plate is fixed to the lower ends of a set of side hanging plates on the left side of the top seat. A right mounting plate is fixed to the lower ends of the set of side hanging plates on the right side of the top base, fixing sleeves are installed in the left mounting plate and the right mounting plate, a motor is fixed to the middle of the fixing sleeve in the right mounting plate, a rotating shaft is installed at the front end of the motor, and an electric door is wound in the middle of the rotating shaft; and the left and right parts of the rotating shaft are respectively sleeved in the left shaft sleeve and the right shaft sleeve. The upper side of the completely rolled electric door is firstly stably extruded to prevent the electric door from loosing and sliding down, then the lower anti-falling top plate penetrates through the positioning holes to accurately block the lower side of the completely rolled electric door through the positioning structures on the left side and the right side of the door frame, the electric door is prevented from falling down, and use is safe, stable and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of electric doors, and particularly relates to an automatically positioned anti-falling electric door. Background Art

[0002] At present, lifting electric doors are commonly used in houses such as factory workshops, stores or garages that require large-span doors, which is convenient for business or vehicle entry and exit. After the lifting electric door is opened, the movable door panel rises to a certain height, and people or vehicles enter and exit from under it. Once the steel wire rope of the lifting electric door in use is damaged and broken, a safety accident of the movable door panel of the electric lifting door falling and hurting people will occur.

[0003] In the specification of a falling prevention device for a lifting electric door in the prior art (publication number CN110905384A), it is mentioned that "a U-shaped bracket is fixed inside the fixed frame, round holes are respectively opened at the upper and lower ends of the U-shaped bracket, and a first bolt passes through the two round holes and is tightened by a nut; the baffle is connected to the first bolt and surrounds the first bolt, and extends to the left; perforated bolts are respectively connected to the inner sides of the baffle and the fixed frame, and a long spring is connected between the two perforated bolts; a support rod is installed on the upper side of the fixed frame, a double-headed bolt is horizontally connected to the top of the support rod, and an upper push plate, a lower push plate and a short spring are respectively sleeved on the double-headed bolt and locked with nuts", but the other end of the baffle in the prior art is unstable in the flipping movement through the short spring, and is easily damaged due to excessive reverse pressure, so that it cannot block the falling of the electric door, and the use is not safe and reliable. Content of the Utility Model

[0004] In order to overcome the defects existing in the prior art, the present utility model provides an automatically positioned anti-falling electric door to solve the problem that the other end of the baffle in the prior art is unstable in the flipping movement through the short spring, and is easily damaged due to excessive reverse pressure, so that it cannot block the falling of the electric door, and the use is not safe and reliable.

[0005] To achieve the above object, an automatically positioned anti-falling electric door is provided, which includes a top seat, a fixed sleeve and a lower positioning plate. The top seat is installed at the top of the door frame, and side hanging plates are fixed at both the left and right ends of the top seat. A left mounting plate is fixed at the lower end of a set of side hanging plates on the left side of the top seat, and a right mounting plate is fixed at the lower end of a set of side hanging plates on the right side of the top seat. Fixed sleeves are installed inside both the left mounting plate and the right mounting plate. Two middle fixed rods are fixed in the middle of the top seat, and a middle limiting plate is fixed at the lower end of the middle fixed rod. The middle limiting plate just contacts the middle part of the upper surface of the fully wound electric door. A lower telescopic cylinder is sleeved on the lower part of the fixed sleeve. The front end of the lower telescopic cylinder is fixed inside the first side fixing plate, and the first side fixing plate is fixed at the front side of the lower anti-falling top plate. The lower anti-falling top plate passes through the lower positioning hole, and a plurality of anti-slip protrusions are arranged on the upper surface of the lower anti-falling top plate. The lower anti-falling top plate just contacts the lower side of the fully wound electric door.

[0006] Further, a motor is fixed in the middle of the fixed sleeve inside the right mounting plate, a rotating shaft is installed at the front end of the motor, the electric door is wound around the middle of the rotating shaft, and the left and right parts of the rotating shaft are respectively sleeved in the left shaft sleeve and the right shaft sleeve.

[0007] Further, upper positioning plates and lower positioning plates are fixed on the upper parts of the left and right side surfaces of the door frame. The upper positioning plates and the lower positioning plates are arranged vertically aligned. An upper positioning hole is opened at the lower part of the upper positioning plate, and a lower positioning hole is opened at the lower part of the lower positioning plate.

[0008] Further, an upper telescopic cylinder is sleeved on the upper part of the fixed sleeve. The front end of the upper telescopic cylinder is fixed inside the second side fixing plate, and the second side fixing plate is fixed at the front side of the side limiting plate. The side limiting plate passes through the upper positioning hole, and the side limiting plate just contacts the upper side of the fully wound electric door.

[0009] The beneficial effects of the present utility model are as follows:

[0010] 1. In the present utility model, the middle limiting plate is provided to stably press the middle part of the upper side of the fully wound electric door, so as to prevent the upper part of the fully wound electric door from being unstable.

[0011] 2. The upper positioning plates and the lower positioning plates provided on the upper parts of the left and right sides of the door frame in the present utility model are used for positioning, so that the side limiting plate and the lower anti-falling top plate are aligned and pass through the perforations, which is convenient for stabilizing the upper and lower sides of the fully wound electric door, and the positioning is accurate and reliable.

[0012] 3. When the upper telescopic cylinder in the present utility model extends, it will push the side limiting plate to pass through the upper positioning hole and stably lie on the upper side of the fully wound electric door, so that the upper edge thereof remains stable, preventing shaking or disorder.

[0013] 4. When the lower telescopic cylinder extends in the present utility model, it will push the lower anti-falling top plate through the lower positioning hole. Thus, the lower anti-falling top plate can be stably placed horizontally on the lower side of the electric door after being completely wound up, enabling the lower edge of the electric door to remain stable, so as to prevent it from falling, making the use safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view schematic diagram of an embodiment of the present utility model;

[0015] Figure 2 It is an effect diagram of the top seat of an embodiment of the present utility model;

[0016] Figure 3 It is a front view schematic diagram of the structural arrangement on the fixed sleeve of an embodiment of the present utility model;

[0017] Figure 4 It is a top view schematic diagram of the lower anti-falling top plate of an embodiment of the present utility model.

[0018] In the figure: 1. Top seat; 10. Side suspension plate; 11. Middle fixing rod; 12. Middle limiting plate; 13. Left mounting plate; 14. Right mounting plate; 15. Motor; 16. Rotating shaft; 17. Electric door; 18. Right shaft sleeve; 19. Left shaft sleeve; 2. Fixed sleeve; 20. Lower telescopic cylinder; 21. Lower anti-falling top plate; 22. Upper telescopic cylinder; 23. Side limiting plate; 24. First side fixing plate; 25. Anti-slip protrusion; 26. Second side fixing plate; 3. Upper positioning plate; 30. Upper positioning hole; 4. Lower positioning plate; 40. Lower positioning hole; 5. Door frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present disclosure.

[0020] The following will describe the specific embodiments of the present utility model in detail with reference to the accompanying drawings.

[0021] Figure 1 It is a front view schematic diagram of an embodiment of the present utility model, Figure 2 It is an effect diagram of the top seat of an embodiment of the present utility model, Figure 3Front view schematic diagram of the structure on the fixed sleeve in the embodiment of the present utility model and Figure 4 Top view schematic diagram of the lower anti-falling top plate in the embodiment of the present utility model.

[0022] Refer to Figures 1 to 4 As shown, the present utility model provides an automatically positioned anti-falling electric door, including a top seat 1, a fixed sleeve 2 and a lower positioning plate 4. The top seat 1 is installed at the top of the door frame 5, and side hanging plates 10 are fixed at both the left and right ends of the top seat 1. A left mounting plate 13 is fixed at the lower end of a group of side hanging plates 10 on the left side of the top seat 1, and a right mounting plate 14 is fixed at the lower end of a group of side hanging plates 10 on the right side of the top seat 1. And the fixed sleeve 2 is installed in both the left mounting plate 13 and the right mounting plate 14.

[0023] In this embodiment, a motor 15 is fixed in the middle of the fixed sleeve 2 in the right mounting plate 14, and a rotating shaft 16 is installed at the front end of the motor 15. An electric door 17 is wound around the middle of the rotating shaft 16, and the left and right parts of the rotating shaft 16 are respectively sleeved in a left shaft sleeve 19 and a right shaft sleeve 18; two middle fixing rods 11 are fixed in the middle of the top seat 1, a middle limiting plate 12 is fixed at the lower end of the middle fixing rod 11, and the middle limiting plate 12 just contacts the middle part of the upper surface of the completely wound electric door 17.

[0024] As a preferred implementation manner, the middle limiting plate 12 in the present utility model is provided to stably press the upper middle part of the completely wound electric door 17, so as to prevent the upper part of the completely wound electric door 17 from being unstable.

[0025] In this embodiment, upper positioning plates 3 and lower positioning plates 4 are fixed on the upper parts of the left and right side surfaces of the door frame 5, and the upper positioning plates 3 and the lower positioning plates 4 are arranged up and down in alignment. And an upper positioning hole 30 is opened in the lower part of the upper positioning plate 3, and a lower positioning hole 40 is opened in the lower part of the lower positioning plate 4.

[0026] As a preferred implementation manner, the upper positioning plates 3 and the lower positioning plates 4 provided on the upper parts of the left and right sides of the door frame 5 in the present utility model are used for positioning, so that the side limiting plates 23 and the lower anti-falling top plates 21 pass through the perforations in alignment, which is convenient for stabilizing the upper and lower sides of the completely wound electric door 17, and the positioning is accurate and reliable.

[0027] In this embodiment, an upper telescopic cylinder 22 is sleeved on the upper part of the fixed sleeve 2. The front end of the upper telescopic cylinder 22 is fixed in the second side fixing plate 26, and the second side fixing plate 26 is fixed at the front side surface of the side limiting plate 23. And the side limiting plate 23 passes through the upper positioning hole 30 and just contacts the upper side surface of the completely wound electric door 17.

[0028] As a preferred embodiment, when the upper telescopic cylinder 22 of the present utility model extends, it will push the side limiting plate 23 through the upper positioning hole 30 and stably place it horizontally on the upper side of the fully retracted electric door 17, so as to keep the upper edge thereof stable and prevent shaking or disorder.

[0029] In this embodiment, a lower telescopic cylinder 20 is sleeved on the lower part of the fixed sleeve 2. The front end of the lower telescopic cylinder 20 is fixed inside the first side fixing plate 24, and the first side fixing plate 24 is fixed at the front side of the lower anti-falling top plate 21. The lower anti-falling top plate 21 passes through the lower positioning hole 40, and multiple groups of anti-slip protrusions 25 are arranged on the upper surface of the lower anti-falling top plate 21. The lower anti-falling top plate 21 just contacts the lower side of the fully retracted electric door 17.

[0030] As a preferred embodiment, when the lower telescopic cylinder 20 of the present utility model extends, it will push the lower anti-falling top plate 21 through the lower positioning hole 40, so that the lower anti-falling top plate 21 can be stably placed horizontally on the lower side of the fully retracted electric door 17, keeping the lower edge of the electric door 17 stable to prevent it from falling, making it safer and more reliable to use.

[0031] The present utility model can effectively solve the problem in the prior art that the other end of the baffle plate flips through a short spring unstably and is easily damaged due to excessive reverse pressure, thus unable to block the fall of the electric door and being unsafe and unreliable to use. The present utility model first stably presses the upper side of the fully retracted electric door to prevent the electric door from loosening and sliding down, and then through the positioning structures on the left and right sides of the door frame, the lower anti-falling top plate passes through the positioning hole and can accurately block the lower side of the fully retracted electric door to prevent the electric door from falling, making it safe, stable and reliable to use.

[0032] The above embodiments are used to explain the present utility model rather than limit the utility model. Any modification and change made to the present utility model within the spirit of the present utility model and the scope of the claimed rights shall be included in the protection scope of the present utility model.

Claims

1. An automatic positioning anti-falling electric door, characterized in that: The invention comprises a top seat (1), a fixing sleeve (2) and a lower positioning plate (4), wherein the top seat (1) is installed on the top of a door frame (5), and side hanging plates (10) are fixed to both left and right ends of the top seat (1), a left mounting plate (13) is fixed to the lower end of a group of side hanging plates (10) on the left side of the top seat (1), and a right mounting plate (14) is fixed to the lower end of a group of side hanging plates (10) on the right side of the top seat (1), and the fixing sleeve (2) is installed in the left mounting plate (13) and the right mounting plate (14), and two groups of middle fixing rods (11) are fixed to the middle of the top seat (1), and a middle limiting plate (13) is fixed to the lower end of the middle fixing rod (11). 12), and the middle limit plate (12) just contacts the middle part of the upper surface of the electric door (17) after it is completely retracted, the lower part of the fixed sleeve (2) is sleeved with a lower telescopic cylinder (20), the front end of the lower telescopic cylinder (20) is fixed in the first side fixing plate (24), and the first side fixing plate (24) is fixed to the front side of the lower anti-falling top plate (21), and the lower anti-falling top plate (21) is arranged through the lower positioning hole (40), and the upper surface of the lower anti-falling top plate (21) is provided with a plurality of groups of anti-slip protrusions (25), and the lower anti-falling top plate (21) just contacts the lower side of the electric door (17) after it is completely retracted.

2. The automatic positioning anti-falling electric door according to claim 1, characterized in that: A motor (15) is fixed in the middle of the fixed sleeve (2) in the right mounting plate (14), and a rotating shaft (16) is installed at the front end of the motor (15). An electric door (17) is rolled up in the middle of the rotating shaft (16), and the left and right parts of the rotating shaft (16) are respectively sleeved in a left shaft sleeve (19) and a right shaft sleeve (18).

3. The automatic positioning anti-falling electric door according to claim 1, characterized in that: An upper positioning plate (3) and a lower positioning plate (4) are fixed to the upper parts of the left and right side surfaces of the door frame (5), and the upper positioning plate (3) and the lower positioning plate (4) are aligned vertically, and an upper positioning hole (30) is opened at the lower part of the upper positioning plate (3), and a lower positioning hole (40) is opened at the lower part of the lower positioning plate (4).

4. The automatic positioning anti-falling electric door according to claim 1, characterized in that: An upper telescopic cylinder (22) is sleeved on the upper part of the fixing sleeve (2), the front end of the upper telescopic cylinder (22) is fixed in the second side fixing plate (26), and the second side fixing plate (26) is fixed to the front side of the side limit plate (23), and the side limit plate (23) is arranged through the upper positioning hole (30), and the side limit plate (23) just contacts the upper side of the electric door (17) after it is completely retracted.

Images