Retractable door for slope road surface

Abstract

The utility model relates to the technical field of retractable doors, in particular to a retractable door for a slope road surface, which comprises a movable frame, a movable door plate is fixedly connected to one side of the back of the movable frame, a fixed plate is fixedly connected to the inside of the movable frame, and a U-shaped plate is arranged at the bottom of the fixed plate. The two sides of the U-shaped plate are installed at the bottom of the fixing plate through connecting plates, the two connecting plates are connected to the bottom of the fixing plate through bolts in a threaded mode, the four shaft seats are installed on the two sides of the bottom of the U-shaped plate and symmetrically arranged on the two sides of the U-shaped plate respectively, and the two ends of the shaft seats are connected with the fixing plate through bolts in a threaded mode. And transmission shafts are respectively mounted on the shaft seats on the two sides. When the retractable door runs on an inclined road surface, the retractable door moves on the road surface through the inclination angle of the two tires by changing the heights of the tires on the transmission shafts 8 on the two sides, and then the retractable door can move at the inclination angle.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic doors, in particular to a telescopic door used for sloped roads. Background Art

[0002] An electric telescopic door is a door whose door body can be extended and moved freely to control the size of the door opening and to control the interception and release of pedestrians or vehicles. The telescopic door relies on the head driving part to drive the entire door body to extend and retract. Usually, the head is driven by a motor and is equipped with an automatic or manual clutch to control the opening and closing of the door during a power outage. Telescopic doors are divided into tracked telescopic doors and trackless telescopic doors.

[0003] When the telescopic door is in use, when it encounters an inclined road surface, the different heights of the tires on both sides affect the operation of the telescopic door. In order to achieve more stable operation of the telescopic door, it is necessary to adjust the height of the tires on both sides to achieve the operation of the telescopic door. Utility Model Content

[0004] The utility model aims to provide a telescopic door for a sloped road surface to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A telescopic door for a sloping road surface comprises: a movable frame, a movable door panel is fixedly connected to one side of the back of the movable frame, a fixed plate is fixedly connected to the inside of the movable frame, a U-shaped plate is arranged at the bottom of the fixed plate, two sides of the U-shaped plate are installed at the bottom of the fixed plate through connecting plates, and two connecting plates are threadedly connected to the bottom of the fixed plate through bolts.

[0007] Preferably, shaft seats are installed on both sides of the bottom of the U-shaped plate. There are four shaft seats, which are symmetrically arranged on both sides of the U-shaped plate, and transmission shafts are installed on the shaft seats on both sides respectively.

[0008] Preferably, a roller is fixedly mounted on one side of each transmission shaft, and the outer wall of the roller is wrapped with rubber.

[0009] Preferably, the fixed sleeve on the other side of the two transmission shafts is provided with gear 1, the bottom of the U-shaped plate is fixedly connected to two mounting rods, a rotating rod is rotatably connected between the two mounting rods, and the outer wall fixed sleeve of the rotating rod is provided with gear 2.

[0010] Preferably, the two gears 1 and 2 are meshed with each other, and a sprocket is provided on the outer wall fixing sleeve of the right transmission shaft.

[0011] Preferably, the tops of the two shaft seats on the left side are fixedly installed at the bottom of the U-shaped plate through a U-shaped seat, and the two shaft seats on the left side are fixedly connected to the U-shaped seat through hexagon socket head cap screws, and the two shaft seats on the right side are fixedly connected to the U-shaped plate through hexagon socket head cap screws.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] When the retractable door runs on an inclined road surface, by changing the heights of the tires on the two drive shafts 8 on both sides, and then moving on the road surface through the inclination angles of the two tires, the retractable door can be moved at an inclined angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the internal structure of the fixing plate of the present utility model;

[0016] Figure 3 is a schematic bottom view of the fixing plate of the present utility model.

[0017] In the figure: 1, movable frame; 2, movable door panel; 3, fixing plate; 4, U-shaped plate; 5, connecting plate; 6, bolt; 7, shaft seat; 8, drive shaft; 9, hexagon socket head cap screw; 10, first gear; 11, roller; 12, mounting rod; 13, rotating rod; 14, second gear; 15, sprocket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "setting" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "several" is two or more unless otherwise specifically and clearly defined.

[0022] As Figures 1-3 shown, a retractable door for a ramp road surface includes: a movable frame 1, a movable door panel 2 is fixedly connected to one side of the back of the movable frame 1, a fixing plate 3 is welded inside the movable frame 1, a U-shaped plate 4 is arranged at the bottom of the fixing plate 3, both sides of the U-shaped plate 4 are installed at the bottom of the fixing plate 3 through connecting plates 5, and the two connecting plates 5 are threadedly connected to the bottom of the fixing plate 3 through bolts 6. Both sides of the bottom of the U-shaped plate 4 are provided with shaft seats 7. The number of shaft seats 7 is four and they are symmetrically arranged on both sides of the U-shaped plate 4 respectively. Transmission shafts 8 are respectively installed on both sides of the shaft seats 7. A roller 11 is fixedly installed on one side of each transmission shaft 8, and the outer wall of the roller 11 is wrapped with rubber. A first gear 10 is fixedly sleeved on the other side of the two transmission shafts 8. Two mounting rods 12 are fixedly connected to the bottom of the U-shaped plate 4. A rotating rod 13 is rotatably connected between the two mounting rods 12. A second gear 14 is fixedly sleeved on the outer wall of the rotating rod 13. The two first gears 10 and the second gear 14 mesh with each other. A sprocket 15 is fixedly sleeved on the outer wall of the right transmission shaft 8. The tops of the two left shaft seats 7 are fixedly installed at the bottom of the U-shaped plate 4 through a U-shaped seat, and the two left shaft seats 7 are fixedly connected to the U-shaped seat through internal hexagonal bolts 9. The two right shaft seats 7 are fixedly connected to the U-shaped plate 4 through internal hexagonal bolts 9.

[0023] The working principle of the present utility model is as follows:

[0024] When this retractable door is in use, by staggering the rotation centers of the transmission shafts 8 in the two shaft seats 7 on the left and right sides, the two first gears 10 are not in contact, and kinetic energy is transmitted through the second gear 14. At the same time, when in use, an external power source is used to drive the chain to rotate by a motor, and the sprocket 15 is driven to rotate through chain transmission, driving the right transmission shaft 8 to rotate. Through the transmission of the second gear 14, the left transmission shaft 8 is driven to rotate, realizing the synchronous rotation of the two transmission shafts 8, and then driving the two rollers 11 to rotate and move on the inclined road surface.

[0025] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the descriptions in the specification are only preferred examples of the present utility model, and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A telescopic door for a sloped road surface, comprising: A movable frame (1), characterized in that a movable door panel (2) is fixedly connected to one side of the back of the movable frame (1), a fixed plate (3) is fixedly connected to the inside of the movable frame (1), a U-shaped plate (4) is arranged at the bottom of the fixed plate (3), both sides of the U-shaped plate (4) are installed at the bottom of the fixed plate (3) through connecting plates (5), and the two connecting plates (5) are threadedly connected to the bottom of the fixed plate (3) through bolts (6).

2. The telescopic door for sloped road surface according to claim 1, characterized in that: Axle seats (7) are installed on both sides of the bottom of the U-shaped plate (4). There are four axle seats (7) which are symmetrically arranged on both sides of the U-shaped plate (4). Transmission shafts (8) are installed on the axle seats (7) on both sides.

3. The telescopic door for sloped road surface according to claim 2, characterized in that: A roller (11) is fixedly mounted on one side of each transmission shaft (8), and the outer wall of the roller (11) is wrapped with rubber.

4. The telescopic door for sloped road surface according to claim 2, characterized in that: A gear 1 (10) is fixedly sleeved on the other side of the two transmission shafts (8); two mounting rods (12) are fixedly connected to the bottom of the U-shaped plate (4); a rotating rod (13) is rotatably connected between the two mounting rods (12); and a gear 2 (14) is fixedly sleeved on the outer wall of the rotating rod (13).

5. The telescopic door for sloped road surface according to claim 4, characterized in that: The two gears 1 (10) and 2 (14) are meshed with each other, and a sprocket (15) is provided on the outer wall fixed sleeve of the right transmission shaft (8).

6. The telescopic door for sloped road surface according to claim 2, characterized in that: The tops of the two shaft seats (7) on the left are fixedly mounted on the bottom of the U-shaped plate (4) via a U-shaped seat, and the two shaft seats (7) on the left are fixedly connected to the U-shaped seat via hexagon socket bolts (9), while the two shaft seats (7) on the right are fixedly connected to the U-shaped plate (4) via hexagon socket bolts (9).

Images