Locking type fire fighting truck roller shutter door

Abstract

The utility model discloses a locking type fire fighting truck roller shutter door, which relates to the technical field of roller shutter doors and comprises a roller shutter door main body, two sides of the roller shutter door main body are connected with side rails of side frames in a sliding manner, a bottom frame is fixedly arranged at the bottoms of the two side frames, side cavities are arranged on the side frames at two sides of the bottom frame, and limiting blocks are arranged in the side cavities in a sliding manner. A spring for supporting the limiting block is fixedly arranged in the side cavity, a first inclined sliding surface is arranged on the upper side, located in the side rail, of the limiting block, a second inclined sliding surface is arranged on the lower side of the limiting block, side blocks are fixedly arranged on the two sides of the edge strip, limiting grooves are formed in the side blocks, a bottom cavity is formed in the bottom frame, an ejector rod is erected in the bottom cavity through a tilting mechanism, and a through frame is arranged in the middle of the bottom frame; and a top frame is slidably arranged at the through frame. The roller shutter door locking device is simple in structure, the roller shutter door can be locked and limited when being pulled down, the locking position can be jacked up when a pedal mechanism needs to be opened, and the roller shutter door locking device is rapid, convenient, high in practicability and suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rolling shutter door, concretely relates to a locking type fire engine rolling shutter door. BACKGROUND

[0002] The rolling shutter door is a kind of door that is made of multiple jointed door pieces, which are connected in series and rotate up and down in the fixed slide, with the reel on the door as the center. The fire engine can transport firefighters to the disaster site and provide various tools for their disaster relief tasks. Because the rolling shutter door does not occupy external and internal space when it is opened, some fire engines are equipped with rolling shutter doors. However, compared with the commonly used vehicle swing door, the rolling shutter door is inconvenient to lock and open. As an emergency rescue vehicle, the existing rolling shutter door locking and opening mechanism is not convenient enough. SUMMARY

[0003] The utility model discloses a kind of locking type fire engine rolling shutter doors, structure is simple, when rolling shutter door is pulled down, it can be locked and positioned, need to open and step on mechanism, the locking place can be lifted, it is quickly convenient, practicality is strong, it is suitable for promotion.

[0004] The utility model provides the following technical scheme: a kind of locking type fire engine rolling shutter door, including side frame, rolling shutter door main body, the side rail sliding connection of two sides of rolling shutter door main body with side frame, two the bottom of side frame is fixed with bottom frame, side frame is located at the side cavity of bottom frame both sides, the side cavity is slidably equipped with limiting block;

[0005] The spring that supports limiting block is fixed in the side cavity, the limiting block is penetrated into the side rail, the first inclined sliding surface is arranged on the upper side of the limiting block in the side rail, and the second inclined sliding surface is arranged on the lower side, the bottom of rolling shutter door main body is fixed with edge strip, the side block is fixed on the both sides of edge strip, the side block is equipped with the limiting slot matched with the shape of side block;

[0006] The bottom frame is provided with a bottom cavity, the top rod is arranged in the bottom cavity through the lifting mechanism, the through frame is arranged in the middle of the bottom frame, the top frame is slidably arranged in the through frame, the top plate is fixed on the bottom of the top frame, and the lower surface of the top plate is slidably connected with the top rod.

[0007] Preferably, the side frame, the rolling shutter door main body and the bottom frame are embedded in the fire engine, one side of the side frame is provided with an inner groove, the inner groove is provided with a lifting rod through a rotating shaft, and one end of the lifting rod extends to the bottom cavity and is fixedly connected with the top rod.

[0008] Preferably, the rotating shaft is penetrated in the middle of the lifting rod, the side, away from the top rod, of the lifting rod is provided with a receiving groove, and the pressing rod is rotatably arranged in the receiving groove through a shaft rod.

[0009] Preferably, the first inclined sliding surface has a smaller inclination angle relative to the vertical plane than the second inclined sliding surface.

[0010] The utility model discloses the beneficial effect: simple structure, when pulling down the roller shutter door, can lock and limit it, need to open the foot lever and can lift the locking place, quick and convenient, practicality is strong, specific as follows:

[0011] (1), the utility model discloses the limiting block is set, when the roller shutter door main part is pulled down, the side block of its upper and lower side extrudes the first inclined sliding surface of the upper side of limiting block, and the first inclined sliding surface has a smaller inclination angle relative to the side block, and is easily extruded into the side cavity, after the side block passes, the position of limiting block is opposite to the limiting groove, and the limiting block is bounced into the limiting groove, at this time, the roller shutter door main part is closed, and the second inclined sliding surface of the lower side of limiting block has a larger inclination angle relative to the side block, and is not easily pressed into the side cavity when being extruded, and provides locking effect.

[0012] (2), the utility model discloses the lever is set, and the lever is collected in the recessed groove, and does not cause the obstruction in the carriage when being idle, when needing to open the roller shutter door main part, the press bar is buckled from the storage groove, and is pressed under the foot, under the action of lever, the top rod of the other end rises, pushes and squeezes the top plate, makes it push the top frame and rises, extrudes the edge strip below the roller shutter door main part, makes the side block extrude the second inclined sliding surface, provides greater lifting force through the lever, and extrudes the limiting block under the action of external force and makes it retract into the side cavity, and the side block is lifted through the limiting block, and the roller shutter door main part can be opened quickly. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0014] Figure 1 It is the overall schematic view of the utility model;

[0015] Figure 2 It is the sectional view of the utility model;

[0016] Figure 3 It is the sectional view of the side cavity of the utility model;

[0017] Figure 4 It is the enlarged view of A in the utility model;

[0018] Marked in the figure: 1, side frame; 2, roller shutter door body; 3, edge strip; 4, bottom frame; 5, side cavity; 6, bottom cavity; 7, top rod; 8, top frame; 9, side rail; 10, inner groove; 11, curved rod; 12, rotating shaft; 13, side block; 14, pressing rod; 15, top plate; 16, through frame; 17, limiting block; 18, first inclined sliding surface; 19, second inclined sliding surface; 20, spring; 21, storage groove; 22, limiting groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms 'upper', 'lower', 'inner', 'outer', 'top / bottom end' and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model in indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation. In addition, the terms 'first','second' are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms'mounting', 'provided with','sleeved / connected', 'connected' and the like should be understood broadly, for example, 'connected' can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] The structural features of the utility model will be described in detail in combination with the drawings in the specification.

[0023] Referring to Figures 1-2 A locking type fire truck roller shutter door, comprising side frames 1 and a roller shutter door body 2, the roller shutter door body 2 is slidably connected with the side rails 9 of the side frames 1 at both sides, two bottom frames 4 are fixedly arranged at the bottom of the side frames 1, the side frames 1, the roller shutter door body 2 and the bottom frames 4 are embedded in the fire truck, side cavities 5 are arranged at both sides of the bottom frames 4, limiting blocks 17 are slidably arranged in the side cavities 5, and the roller shutter door body 2 is locked through the limiting blocks 17.

[0024] Referring to Figure 1 , 3 , the spring 20 is arranged in the side cavity 5 and used for fixing the limiting block 17, the limiting block 17 penetrates into the side rail 9, the upper side of the limiting block 17 arranged in the side rail 9 is provided with the first inclined sliding surface 18, and the lower side of the limiting block 17 is provided with the second inclined sliding surface 19, the inclination angle of the first inclined sliding surface 18 relative to the vertical plane is smaller than that of the second inclined sliding surface 19, and the inclination angle of the first inclined sliding surface 18 relative to the side block 13 is small, so that the first inclined sliding surface 18 is easily pressed into the side cavity 5, while the inclination angle of the second inclined sliding surface 19 relative to the side block 13 is large, so that the second inclined sliding surface 19 is not easily pressed into the side cavity 5 when being pressed, the bottom of the roller shutter door body 2 is fixedly provided with the edge strip 3, the side blocks 13 are fixedly arranged on the two sides of the edge strip 3, the limiting block 17 is clamped in the limiting groove 22 to fix the roller shutter door body 2, and when the edge strip 3 is lifted by external force, the second inclined sliding surface 19 is squeezed to release the roller shutter door body 2.

[0025] Referring to Figure 1 , 2 , 4, the bottom cavity 6 is arranged in the bottom frame 4 and used for arranging the top rod 7 through the lifting mechanism, one side of the side frame 1 is provided with the inner groove 10, the lifting rod 11 is arranged in the inner groove 10 and fixedly connected with the top rod 7 through the rotating shaft 12, one end of the lifting rod 11 extends to the bottom cavity 6, the rotating shaft 12 penetrates the middle part of the lifting rod 11, the top rod 7 is lifted by pressing the lifting rod 11, the storage groove 21 is arranged on the side of the lifting rod 11 away from the top rod 7, the pressing rod 14 is rotatably arranged in the storage groove 21 through the shaft rod, so that the pressing rod 14 is stored in the storage groove 21 when not being used, and the pressing rod 14 does not block the vehicle compartment, the through frame 16 is arranged in the middle part of the bottom frame 4, the top frame 8 is slidably arranged in the through frame 16, the top plate 15 is fixedly arranged on the bottom of the top frame 8, the lower surface of the top plate 15 is slidably connected with the top rod 7, and the top rod 7 is rotated and lifted to push the top frame 8 to lift the edge strip 3.

[0026] The locking type fire fighting vehicle roller shutter door has the advantages of simple structure, rapid locking and releasing, high practicability and suitability for promotion.

[0027] Specifically, in use, referring to Figure 1 , 3 , when the roller shutter door body 2 is pulled down, the side blocks 13 on the upper and lower sides of the roller shutter door body 2 press the first inclined sliding surface 18 on the upper side of the limiting block 17, the inclination angle of the first inclined sliding surface 18 relative to the side block 13 is small, so that the first inclined sliding surface 18 is easily pressed into the side cavity 5, after the side block 13 passes through, the position of the limiting block 17 is opposite to the limiting groove 22, the limiting block 17 is elastically arranged in the limiting groove 22, at this time, the roller shutter door body 2 is closed, and the inclination angle of the second inclined sliding surface 19 on the lower side of the limiting block 17 relative to the side block 13 is large, so that the second inclined sliding surface 19 is not easily pressed into the side cavity 5 when being pressed;

[0028] Reference Figures 1-4 When the roller shutter door body 2 needs to be opened, the pressing rod 14 is buckled out of the receiving groove 21, and is pressed down, under the action of the lever 11, the top rod 7 at the other end rises, pushes the top plate 15, makes it push the top frame 8 to rise, extrudes the side strip 3 below the roller shutter door body 2, makes the side block 13 extrude the second inclined sliding surface 19, provides a larger lifting force through the lever 11, extrudes the limiting block 17 under the action of the external force, makes it shrink into the side cavity 5, lifts the side block 13 through the limiting block 17, and the roller shutter door body 2 is opened.

[0029] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A locking type fire truck rolling shutter door comprising side frames (1), a rolling shutter door body (2) which is slidably connected to the side edge rails (9) of the side frames (1) on both sides, characterized in that, Two said side frame (1) bottom fixed bottom frame (4) is equipped with, the side frame (1) is located in the bottom frame (4) both sides are equipped with side cavity (5), the side cavity (5) is equipped with limiting block (17) slidingly; The side cavity (5) is fixedly provided with a spring (20) supporting the limiting block (17), the limiting block (17) penetrates into the side rail (9), the limiting block (17) is provided with a first inclined sliding surface (18) on the upper side in the side rail (9), and a second inclined sliding surface (19) is provided on the lower side, the bottom of the roller shutter door body (2) is fixedly provided with a side strip (3), the side strip (3) is fixedly provided with a side block (13) on both sides, the side block (13) is provided with a limiting groove (22) matched with the shape of the side block (13); The bottom frame (4) is provided with a bottom cavity (6), the top rod (7) is arranged in the bottom cavity (6) through the lifting mechanism, the through frame (16) is arranged in the middle of the bottom frame (4), the top frame (8) is slidingly arranged in the through frame (16), the top plate (15) is fixedly arranged at the bottom of the top frame (8), and the lower surface of the top plate (15) is slidingly connected with the top rod (7).

2. A lockable fire truck roll-up door according to claim 1, wherein, The side frame (1), the roller shutter door body (2) and the bottom frame (4) are embedded in the fire truck, one side of the side frame (1) is provided with an inner groove (10), the inner groove (10) is provided with a lifting rod (11) through a rotating shaft (12), one end of the lifting rod (11) extends to the bottom cavity (6) and is fixedly connected with the top rod (7).

3. A lockable fire apparatus rollup door according to claim 2 wherein, The rotating shaft (12) penetrates the middle of the lifting rod (11), the lifting rod (11) is provided with a receiving groove (21) away from the top rod (7), and the receiving groove (21) is rotatably provided with a pressing rod (14) through a shaft rod.

4. The locking fire apparatus roll-up door according to claim 1, wherein, The inclination angle of the first inclined sliding surface (18) relative to the vertical plane is smaller than that of the second inclined sliding surface (19).

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