Fixing structure of rolling door

Abstract

The utility model discloses a fixing structure of a rolling door, the rolling door comprises a fixed door frame, a rolling drum and a rolling door, the fixing structure comprises a shielding assembly, the shielding assembly comprises a fixed plate fixed with the fixed door frame through screws, a shielding plate welded with the fixed plate and an elastic plate fixed with the shielding plate through screws, and a groove is formed in the inner surface of the shielding plate; the pressing assembly comprises a fixing frame fixed to the roller shutter door through bolts, a pressing block, a pressing rod and a fixing shaft installed in the fixing frame, wherein the pressing block and the pressing rod are fixedly connected. The manual rolling door has the design of assisting in fixing the rolling door, a shielding assembly, an extrusion assembly and a reset piece are designed, a limiting protrusion is embedded into a groove, and a shielding plate limits the end of a tilting rod, so that the tilting rod, a connecting rod and a fixing frame are kept in a stable state, and the rolling door can be in a fixed state; the roller shutter door can be kept in a fixed state when not completely opened or completely pulled to the bottom to be closed or not correctly locked.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of roll-up door, and particularly relates to a fixing structure of roll-up door. BACKGROUND

[0002] Roll-up door, namely roll-up door, is mainly composed of a door body, a driver and a control system, the door body is made of high-quality stainless steel and aluminum alloy special section, the rotation movement principle of a roller is used, when being opened, the center rotating shaft of the roll-up door at the upper part of a door hole is rotated to roll up the leaf plate, the door leaf is rotated to the upper part of the door hole to save the floor area of the door, and the roll-up door is opened by being rolled up upward and is closed by being pulled down to the ground, and the rotation method of the center rotating shaft of the roll-up door mainly includes a manual roll-up door and an electric roll-up door, the electric roll-up door is driven by a motor to rotate the center shaft of the roll-up door.

[0003] When the manual roll-up door is used, a handle on the roll-up door is manually held to open the roll-up door by lifting up or to close the roll-up door by pulling down, but when the roll-up door is not completely opened or completely closed or is not correctly locked, the roll-up door is automatically moved upward under the influence of slight external force or unbalanced self-gravity, and there is no design for assisting in fixing the roll-up door, so there is a deficiency.

[0004] The existing manual roll-up door has the problem of no design for assisting in fixing the roll-up door when being used, and therefore the fixing structure of the roll-up door is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a fixing structure of roll-up door to solve the problem of no design for assisting in fixing the roll-up door of the manual roll-up door in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a fixing structure of roll-up door, the roll-up door comprises a fixed door frame, a winding drum and a roll-up door, and comprises

[0007] The shielding assembly comprises a fixed plate fixed to the fixed door frame through screws, a shielding plate welded to the fixed plate, and a baffle plate fixed to the shielding plate through screws, and a groove is formed in the inner surface of the shielding plate;

[0008] The pressing assembly comprises a fixed frame fixed to the roll-up door through bolts, a pressing block and a pressing rod fixedly connected, a fixed shaft installed in the fixed frame, a connecting rod in rotational connection with the fixed shaft, and a lever plate welded to one end of the connecting rod, one end of the pressing rod is attached to the end of the connecting rod, and a limiting protrusion is welded to one end of the lever plate;

[0009] The reset member installed in the fixed frame comprises a fixed cylinder connected to the inner wall of the fixed frame, a sliding cylinder in sliding connection with the fixed cylinder, a fixed hemisphere in threadedly connected with the sliding cylinder, and a reset spring installed in the fixed cylinder.

[0010] Preferably, the shielding plate is of a "U" structure, the elastic plate is of a curved shape, the surface of the end of the elastic plate away from the shielding plate is of a circular arc shape, and the curved end of the elastic plate is tangent to the surface of the lever.

[0011] Preferably, the groove in the shielding plate is of an inner recessed right triangle shape, the limiting protrusion is of a right triangle solid block structure, and the limiting protrusion cooperates with the groove.

[0012] Preferably, the connecting rod comprises a rotating part connected with the lever and a horizontal part in contact with the pressing rod, the fixed shaft penetrates through the rotating part, and the side surface of the fixed frame is provided with a movable slot for rotation of the rotating part, and the normal projection of the movable slot is of a rectangular shape.

[0013] Preferably, the outer surface of the fixed hemisphere is tangent to the surface of the horizontal part of the connecting rod.

[0014] Preferably, the horizontal part of the connecting rod is provided with an inner recessed limiting groove, and the end of the pressing rod cooperates with the limiting groove.

[0015] Preferably, the pressing rod is of a "T" structure, the pressing rod is slidingly penetrated through the fixed frame, the fixed frame is of a frame structure, and the fixed shaft is fixed with the fixed frame through a screw.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] In the utility model, the hand-operated rolling door is provided with a design of auxiliary fixing of the rolling door, the shielding assembly, the extruding assembly and the reset member are designed, the limiting protrusion is embedded in the groove, the shielding plate limits the end part of the lever, so that the lever, the connecting rod and the fixed frame are kept in a stable state, the rolling shutter door can be kept in a fixed state, and the rolling shutter door can be kept in a fixed state when the rolling shutter door is not completely opened or completely pulled to the bottom to be closed or not correctly locked. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a sectional structural schematic view of the fixed door frame and the shielding plate of the utility model;

[0020] Figure 3 It is a sectional structural schematic view of the fixed door frame and the shielding plate of the utility model; Figure 2 It is an enlarged structural schematic view of A part of the utility model;

[0021] Figure 4 It is an enlarged structural schematic view of B part of the utility model; Figure 2 It is an enlarged structural schematic view of B part of the utility model;

[0022] Figure 5The utility model discloses a fixed frame's three-dimensional structure schematic diagram;

[0023] Figure 6 The utility model discloses a Figure 3 The structure schematic diagram of C-C direction of the shielding plate in the middle is shown.

[0024] In the drawing: 2, fixed plate; 3, shielding plate; 4, elastic plate; 6, fixed frame; 7, press block; 8, reset piece; 11, fixed door frame; 12, winding drum; 13, roller shutter door; 31, recess; 51, crooked rod; 52, connecting rod; 61, fixed shaft; 71, press rod; 81, fixed cylinder; 82, reset spring; 83, sliding cylinder; 84, fixed hemisphere; 511, limiting protrusion. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0026] Please refer to Figures 1 to 6The utility model provides a technical scheme: a fixed structure of roll -up door, roll -up door includes fixed door frame 11 and winding drum 12 and roll -up door 13, the structure and principle of manual roll -up door are prior art, this application does not make detailed elaboration, including shielding subassembly, including with fixed door frame 11 through screw fixed fixed plate 2, with fixed plate 2 welded shielding plate 3, with shielding plate 3 through screw fixed elastic plate 4, the recess 31 is set up on the inner surface of this shielding plate 3, roll -up door 13 and fixed door frame 11 have gap, fixed plate 2 and shielding plate 3 and elastic plate 4 shield above -mentioned gap, avoid external dust impurity from the gap and enter, thereby increase frictional resistance, cause obstruction, influence roll -up door 13 and pull down close, the limiting protrusion 511 of one end of warped rod 51 can embed recess 31, shielding plate 3 limits the end of warped rod 51, elastic plate 4 is made of spring steel material, when warped rod 51 warps elastic plate 4, elastic plate 4 changes shape, elastic plate 4 generates the restoring force of warped rod 51;Pressing subassembly, including with roll -up door 13 through bolt fixed fixed frame 6, fixedly connected pressing block 7 and pressing rod 71, install in fixed frame 6 inside fixed shaft 61, with fixed shaft 61 rotatory joint connecting rod 52, with connecting rod 52 one end welded warped rod 51, when roll -up door 13 moves up, grips fixed frame 6 and presses and holds pressing block 7, pressing block 7 and pressing rod 71 move in the same direction, pressing rod 71 extrudes connecting rod 52, connecting rod 52 rotates with fixed shaft 61 as the axle, warped rod 51 rotates with connecting rod 52, warped rod 51 warps elastic plate 4, limiting protrusion 511 leaves shielding plate 3, will roll -up door 13 move up, one end of pressing rod 71 and the end of connecting rod 52 are pasted, one end of this warped rod 51 is welded with limiting protrusion 511, when limiting protrusion 511 embeds recess 31, shielding plate 3 limits the end of warped rod 51, thereby make warped rod 51 and connecting rod 52 and fixed frame 6 keep stable state;Install in fixed frame 6 inside reset piece 8, reset piece 8 plays the role of reset pressing rod 71, including with fixed frame 6 inner wall connection fixed cylinder 81, with fixed cylinder 81 sliding connection sliding cylinder 83, with sliding cylinder 83 through screw thread combination connection fixed hemisphere 84, install in fixed cylinder 81 inside reset spring 82, when pressing rod 71 extrudes connecting rod 52, connecting rod 52 acts on fixed hemisphere 84, fixed hemisphere 84 and sliding cylinder 83 move, sliding cylinder 83 extrudes reset spring 82, reset spring 82 generates reset elastic force, when pressing block 7 and pressing rod 71 are not under external force, under the reset elastic force of reset spring 82, make fixed hemisphere 84 and sliding cylinder 83 reverse move, thereby make connecting rod 52 reset.

[0027] In the embodiment, the shielding plate 3 is in the shape of "U", the elastic plate 4 is in the shape of bending, the surface of the end of the elastic plate 4 away from the shielding plate 3 is in the shape of arc, the bending end of the elastic plate 4 is tangent to the surface of the warped rod 51, the friction between the warped rod 51 and the elastic plate 4 is small, the sliding contact between the warped rod 51 and the elastic plate 4 does not affect the vertical upward movement of the warped rod 51.

[0028] In the embodiment, the groove 31 in the shielding plate 3 is a concave right triangle shape, the limiting protrusion 511 is a right triangle solid block structure, the limiting protrusion 511 cooperates with the groove 31, when the limiting protrusion 511 is embedded in the groove 31, the shielding plate 3 limits the end of the lever 51, so that the lever 51 and the connecting rod 52 and the fixed frame 6 remain in a stable state.

[0029] In the embodiment, the connecting rod 52 includes a rotating part connected with the lever 51 and a horizontal part in contact with the pressing rod 71, the fixed shaft 61 penetrates the rotating part, the side surface of the fixed frame 6 is provided with a movable slot for the rotating part to rotate, the connecting rod 52 rotates around the fixed shaft 61, the orthographic projection of the movable slot is a rectangular shape, the connecting rod 52 penetrates the movable slot, the outer surface of the fixed hemisphere 84 is tangent to the surface of the horizontal part of the connecting rod 52, the connecting rod 52 is in sliding contact with the fixed hemisphere 84, when the connecting rod 52 rotates, the connecting rod 52 presses the fixed hemisphere 84, the horizontal part of the connecting rod 52 is provided with a concave limiting slot, one end of the pressing rod 71 cooperates with the limiting slot, the pressing rod 71 is clamped and connected with the connecting rod 52, and the pressing rod 71 is limited by the connecting rod 52.

[0030] In the embodiment, the pressing rod 71 is a T-shaped structure, the pressing rod 71 slides and penetrates the fixed frame 6, the position of the pressing rod 71 can be changed, the fixed frame 6 is a frame structure, the fixed shaft 61 is fixed with the fixed frame 6 through screws, and the fixed shaft 61 is stably connected with the fixed frame 6.

[0031] The working principle and use process of the utility model are as follows:

[0032] The roller shutter door 13 is moved up or down to an incomplete opening or closing state at a certain height,

[0033] When the roller shutter door 13 is moved up, the fixed frame 6 is gripped and the pressing block 7 is pressed, and the pressing block 7 moves in the same direction with the pressing rod 71.

[0034] The pressing rod 71 presses the connecting rod 52, the connecting rod 52 rotates around the fixed shaft 61, the lever 51 rotates with the connecting rod 52, the lever 51 is opened and the elastic plate 4 is opened, and the limiting protrusion 511 is separated from the shielding plate 3.

[0035] The connecting rod 52 acts on the fixed hemisphere 84, the fixed hemisphere 84 and the sliding cylinder 83 move, the sliding cylinder 83 presses the reset spring 82, and the reset spring 82 generates a reset elastic force.

[0036] The fixed frame 6 is gripped and the roller shutter door 13 is moved up, the lever 51 is in sliding contact with the elastic plate 4, and the lever 51 is not affected to be vertically moved up to a suitable height position.

[0037] When the pressing block 7 and the pressing rod 71 are not subjected to external force, the fixed hemisphere 84 and the sliding cylinder 83 are reversely moved under the restoring elastic force of the restoring spring 82, so as to reset the connecting rod 52;

[0038] The connecting rod 52 and the lever 51 are reset, the limiting protrusion 511 is embedded into the groove 31, the shielding plate 3 limits the end of the lever 51, so that the lever 51 and the connecting rod 52 and the fixed frame 6 are kept in a stable state, and further the rolling shutter door 13 is kept in a fixed state;

[0039] The rolling shutter door 13 is lowered in the same way as above, the fixed frame 6 is gripped and the pressing block 7 is pressed, the limiting protrusion 511 is separated from the groove 31, and then the fixed frame 6 and the rolling shutter door 13 are lowered;

[0040] In summary, the manual rolling shutter door has a design of auxiliary fixing of the rolling shutter door, the limiting protrusion 511 is embedded into the groove 31 through the shielding assembly, the extrusion assembly and the restoring piece 8, the shielding plate 3 limits the end of the lever 51, so that the lever 51 and the connecting rod 52 and the fixed frame 6 are kept in a stable state, the rolling shutter door 13 can be kept in a fixed state, and the rolling shutter door 13 can be kept in a fixed state when not completely opened or completely closed or not correctly locked.

[0041] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixing structure of a roll door comprising a fixed door frame (11) and a winding drum (12) and a roll shutter door (13), characterized in that: The utility model relates to a kind of curtain door, including fixed frame (11), fixed plate (2), shielding plate (3) and elastic plate (4) of fixed plate (2) and shielding plate (3). Pressing assembly, including fixed frame (6) with roller shutter door (13) by bolt fixed, fixedly connected pressing block (7) and pressing rod (71), fixed shaft (61) installed in fixed frame (6), connecting rod (52) rotationally connected with fixed shaft (61), one end of connecting rod (52) is welded with lever (51), one end of pressing rod (71) is attached with the end of connecting rod (52), one end of the lever (51) is welded with limit protrusion (511). Resetting piece (8) installed in fixed frame (6), including fixed cylinder (81) connected with the inner wall of fixed frame (6), sliding cylinder (83) slidingly connected with fixed cylinder (81), fixed hemisphere (84) threadedly combined with sliding cylinder (83), resetting spring (82) installed in fixed cylinder (81). The shielding plate (3) is "U" structure, the elastic plate (4) is curved shape, the surface of the end of the elastic plate (4) away from the shielding plate (3) is circular arc shape, the curved end of the elastic plate (4) is tangent to the surface of the lever (51).

2. A door roll fixing structure according to claim 1, characterized in that: The recess (31) in the shielding plate (3) is concave right triangle shape, the limit protrusion (511) is right triangle solid block structure, the limit protrusion (511) cooperates with the recess (31).

3. The door fixing structure according to claim 1, wherein: The connecting rod (52) includes rotating part connected with the lever (51) and horizontal part in contact with the pressing rod (71), the fixed shaft (61) penetrates the rotating part, the side surface of the fixed frame (6) is provided with movable slot for rotating the rotating part, and the orthographic projection of the movable slot is rectangular shape.

4. The door fixing structure according to claim 1, wherein: The outer surface of the fixed hemisphere (84) is tangent to the surface of the horizontal part of the connecting rod (52).

5. A door roll fixing structure according to claim 4, characterized in that: The horizontal part of the connecting rod (52) is provided with concave limit slot, and one end of the pressing rod (71) cooperates with the limit slot.

6. A door roll fixing structure according to claim 5, characterized in that: The pressing rod (71) is "T" structure, the pressing rod (71) slidingly penetrates the fixed frame (6), the fixed frame (6) is frame structure, and the fixed shaft (61) is fixed with the fixed frame (6) by screw.

7. The door roll fixing structure according to claim 1, characterized in that: ​

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