Linkage door

Abstract

The utility model discloses a linkage door which comprises a driving door, a driven door, a first fixing piece, a second fixing piece, a power mechanism and a linkage assembly, the first fixing piece and the second fixing piece are arranged on the left side and the right side of the driving door respectively, the power mechanism is used for driving the driving door to slide, and the linkage assembly is arranged between the driving door and the driven door. The flexible cable is provided with a first end and a second end, the first end is fixedly connected with the first fixing piece, the second end is fixedly connected with the second fixing piece, the flexible cable is wound on the movable pulley, and the driven door is fixedly connected with the flexible cable; the linkage door is provided with a passing part and comprises a closed state and an open state, when the linkage door is in the closed state, the driving door and the driven door seal the passing part, when the linkage door is in the open state, at least part of the driven door is overlapped with the driving door, and the passing part is exposed, and when the linkage door is switched from the closed state to the open state, the power mechanism enables the driving door to slide in the first direction. The driven door slides towards the first direction at the speed twice that of the driving door under the action of the linkage assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to sliding door technical field, concretely relates to a linkage door. BACKGROUND

[0002] The linkage door is a common door, which is mainly characterized by realizing the coordinated opening and closing of multiple doors through a linkage mechanism, and is widely used in public places such as shopping malls, hotels and office buildings. With the continuous development of architectural design, higher requirements are put forward for the opening area, structure simplification and operation convenience of the door.

[0003] However, the existing linkage door still has some technical problems. First, the linkage mechanism of the existing linkage door is usually complex in structure and has many parts, which not only increases the manufacturing cost but also reduces the use reliability.

[0004] Secondly, the linkage assembly of the existing linkage door is often unstable, and linkage failure or unstable movement is prone to occur. Therefore, there is an urgent need for a linkage door that is simple in structure, stable in linkage, large in opening area and labor-saving in operation. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the defects in the prior art and provides a novel linkage door.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0007] A linkage door, comprising a driving door, a driven door, first and second fixing members arranged on the left and right sides, a power mechanism for driving the driving door to slide in the left-right direction, and a linkage assembly arranged between the driving door and the driven door, the linkage assembly comprising:

[0008] A moving pulley, which is installed on the driving door;

[0009] A flexible cable, which has a first end and a second end, the first end is fixedly connected with the first fixing member, the second end is fixedly connected with the second fixing member, the flexible cable is arranged around the moving pulley, and the driven door is fixedly connected with the flexible cable;

[0010] The linkage door has a passage part, and comprises a closed state and an open state, when in the closed state, the driving door and the driven door close the passage part, when in the open state, the driven door at least partially overlaps with the driving door, and the passage part is exposed, when converting from the closed state to the open state, the power mechanism makes the driving door slide in a first direction, and the driven door slides in the first direction at twice the speed of the driving door under the action of the linkage assembly.

[0011] In an embodiment, the linkage assembly further comprises a fixed pulley, the fixed pulley comprises a first fixed pulley arranged on the first fixing member and a second fixed pulley arranged on the second fixing member, and the flexible cable is arranged around the first fixed pulley and the second fixed pulley.

[0012] In an embodiment, the movable pulley comprises a first movable pulley and a second movable pulley arranged in the front-rear direction.

[0013] In an embodiment, the flexible cable is arranged around the first movable pulley, the first fixed pulley, the second movable pulley and the second fixed pulley in sequence from the first end to the second end.

[0014] In an embodiment, when in the closed state, the distance between the first fixed pulley and the first movable pulley in the left-right direction is equal to the distance between the second fixed pulley and the second movable pulley in the left-right direction.

[0015] In an embodiment, the power mechanism is a cylinder assembly comprising a cylinder barrel and a piston rod, the piston rod is slidable relative to the cylinder barrel in the left-right direction, the cylinder barrel is fixedly arranged relative to the second fixing member, and the piston rod is connected with the active door.

[0016] In an embodiment, the active door comprises an active door body and a protrusion, the piston rod is fixedly connected with the protrusion, and a clearance is arranged between the protrusion and the active door body, and the flexible cable is arranged through the clearance.

[0017] In an embodiment, the width of the active door is equal to the sliding distance of the active door in the left-right direction when the active door is converted from the closed state to the open state, and when converted from the closed state to the open state, the active door and the driven door simultaneously reach one end portion in the left-right direction in an overlapping manner.

[0018] In an embodiment, the linkage door comprises a door frame, the active door and the driven door are arranged to slide relative to the door frame, and the door frame has a fixed portion, at least part of the active door and at least part of the driven door are located behind the fixed portion when in the open state.

[0019] In an embodiment, the driven door has a handle portion, the handle portion is exposed in front of the fixed portion when in the open state.

[0020] Thanks to the use of the above technical solutions, the linkage door of the present application has the following advantages compared with the prior art:

[0021] 1. The linkage door of the present application, by specifically arranging the linkage assembly, makes the driven door move at twice the speed of the active door, realizes large-area opening of the door, and facilitates personnel and goods to pass through;

[0022] 2. The linkage door structure is simple, only one power mechanism is needed to drive two doors to move simultaneously, the number of components is reduced, and the manufacturing cost and failure rate are reduced;

[0023] 3. In the manual operation case, due to the action of the linkage assembly, the force required for opening and closing the door is reduced by half compared with the power mechanism driving, and the use is more convenient;

[0024] 4. The opening and closing actions of the main door and the driven door are coordinated and consistent, the movement is stable, and it is rich in scientific and technological sense; when the door is completely opened, the driven door can partially overlap with the main door, and the space occupation is saved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a front view of the linkage door in the closed state in an embodiment of the utility model;

[0026] Figure 2 is a front view of the linkage door in the closed state in an embodiment of the utility model; Figure One ;

[0027] Figure 3 is an enlarged view of part A in the figure; Figure 2

[0028] Figure 4 is a front view of the linkage door in the closed state in an embodiment of the utility model; Figure Two ;

[0029] Figure 5 is a front view of the linkage door in the closed state in an embodiment of the utility model; Figure One ;

[0030] Figure 6 is an enlarged view of part B in the figure; Figure 5

[0031] Figure 7 is a front view of the linkage door in the closed state in an embodiment of the utility model; Figure Two ;

[0032] Reference numerals in the figure are:

[0033] 1 - door frame; 11 - fixed part; 2 - main door; 21 - main door body; 22 - protruding block; 23 - avoiding groove; 3 - driven door; 31 - handle part; 4 - first fixed part; 5 - second fixed part; 61 - first movable pulley; 62 - second movable pulley; 63 - first fixed pulley; 64 - second fixed pulley; 65 - flexible cable; 651 - first end; 652 - second end; 71 - cylinder barrel; 72 - piston rod; 8 - passing part. DETAILED DESCRIPTION

[0034] ​​The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0035] In the description of the utility model, the directions such as ''front'', ''back'', ''left'', ''right'', ''up'', ''down'' and the like involved are as follows: Figure 1 As shown in the figure, the left direction in the figure is ''left'', the right direction in the figure is ''right'', the upper direction in the figure is ''up'', the lower direction in the figure is ''down'', the direction perpendicular to the viewing angle in the figure is ''front'' and ''back'', the definition of the above-mentioned directions is merely for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0036] As shown in the figure, the utility model discloses some embodiments, the linkage door includes door frame 1, initiative door 2, driven door 3, first fixed part 4 and second fixed part 5 separately arranged on the left and right sides of door frame 1, power mechanism for driving initiative door 2 to slide in left and right directions, and linkage assembly arranged between initiative door 2 and driven door 3. Figures 1-7 Door frame 1 is a hollow closed frame body, in an embodiment, it has a fixed part 11 arranged on the left side, initiative door 2 is a left door, driven door 3 is a right door, the upper portion of door frame 1 is provided with a slide rail (not shown in the figure), and the upper portions of initiative door 2 and driven door 3 are respectively provided with sliding blocks (not shown in the figure) capable of sliding in the slide rail, so that initiative door 2 and driven door 3 can slide in the left and right directions relative to door frame 1, and the fixed part 11 is arranged in front of initiative door 2 and driven door 3 in the front and back directions, so that when initiative door 2 and driven door 3 slide to the left side, at least part of initiative door 2 and at least part of driven door 3 are located behind the fixed part 11, making the whole linkage door more concise. In an embodiment, driven door 3 has a handle part 31, which is exposed in front of the fixed part 11 when initiative door 2 and driven door 3 slide to the left side, for being pulled by a user to drive door 3.

[0037] In an embodiment, the linkage assembly includes a first movable pulley 61, a second movable pulley 62, a first fixed pulley 63, a second fixed pulley 64 and a flexible cable 65, the first movable pulley 61 and the second movable pulley 62 are installed on initiative door 2 and are separately arranged in the front and back directions of initiative door 2, the first fixed pulley 63 is arranged on the first fixed part 4, the second fixed pulley 64 is arranged on the second fixed part 5, and the first fixed part 4 and the second fixed part 5 are both fixedly arranged relative to the door frame.

[0038]

[0039] ​The flexible cable 65 is a flexible rope or steel cable with sufficient strength and flexibility, having a first end 651 and a second end 652, the first end 651 is fixedly connected with the first fixing member 4, and the second end 652 is fixedly connected with the second fixing member 5, the flexible cable 65 is sequentially arranged through the first movable pulley 61, the first fixed pulley 63, the second movable pulley 62 and the second fixed pulley 64 from the first end 651 to the second end 652, forming a complete transmission path, the driven door 3 is fixedly connected with the flexible cable 65, specifically, the driven door 3 and a section of the flexible cable 65 are fixedly connected together through a connecting member.

[0040] In an embodiment, the power mechanism is a cylinder assembly, including a cylinder barrel 71 and a piston rod 72, the piston rod 72 can slide relative to the cylinder barrel 71 in the left-right direction, the cylinder barrel 71 is fixedly arranged relative to the second fixing member 5, and the free end of the piston rod 72 is connected with the driving door 2, thereby pushing or pulling the driving door 2. In an embodiment, the driving door 2 includes a driving door body 21 and a protrusion 22 arranged above the driving door body 21, the piston rod 72 is fixedly connected with the protrusion 22, and a clearance groove 23 is arranged between the protrusion 22 and the driving door body 21, the clearance groove 23 is a long and narrow channel, the flexible cable 65 is arranged through the clearance groove 23 to avoid interference between the flexible cable 65 and the driving door body 21. In other embodiments, the power mechanism can also be an electric mechanism (not shown in the figure), including a motor, a speed reducer and a transmission mechanism, when the motor operates, the rotational motion is converted into the linear motion of the driving door through the speed reducer and the transmission mechanism, thereby driving the driving door 2 to slide in the left-right direction.

[0041] The linkage door has a passage 8, and includes a closed state and an open state, as shown in Figures 1-4 When in the closed state, the driving door 2 and the driven door 3 close the passage 8, the fixed part 11, the driving door 2 and the driven door 3 are sequentially arranged from left to right, at this time, the distance between the first fixed pulley 63 and the first movable pulley 61 in the left-right direction is equal to the distance between the second fixed pulley 64 and the second movable pulley 62 in the left-right direction, as shown in Figures 5-7As shown, when in the open state, the driven door 3 partially overlaps the active door 2, and the passage 8 is exposed, when converting from the closed state to the open state, the power mechanism makes the active door 2 slide in the first direction, in this embodiment, to the left, the driven door 3 slides to the left at twice the speed of the active door 2 under the action of the linkage assembly, when the width of the active door 2 is set to be equal to the sliding distance of the active door 2 in the left-right direction when converting from the closed state to the open state, the active door 2 and the driven door 3 reach the left end at the same time in an overlapping manner, that is, the left end of the active door 2 and the left end of the driven door 3 overlap, thereby realizing large-area opening of the door, when converting from the open state to the closed state, the power mechanism makes the active door 2 slide to the right, the driven door 3 slides to the right at twice the speed of the active door 2 under the action of the linkage assembly, and finally the right side of the driven door 3 contacts the door frame 1 to close, and the right side of the active door 2 closes with the left side of the driven door 3.

[0042] When converting between the closed state and the open state, the user can also not use the power mechanism and directly operate the handle portion 31 of the driven door 3 by hand to realize linkage opening of the active door 2 and the driven door 3, and in the manual case, due to the arrangement of the linkage assembly, the force of the user opening and closing the door is reduced by half compared to driving with the power mechanism, and the use is more convenient.

[0043] The above embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable persons skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A linkage door, characterized by The linkage door comprises a driving door, a driven door, first and second fixing members arranged on left and right sides, a power mechanism for driving the driving door to slide in left and right directions, and a linkage assembly arranged between the driving door and the driven door, wherein the linkage assembly comprises: a movable pulley mounted on the driving door; a flexible cable having a first end fixedly connected with the first fixing member and a second end fixedly connected with the second fixing member, the flexible cable being wound around the movable pulley, and the driven door being fixedly connected with the flexible cable; the linkage door has a passing part and comprises a closed state and an open state, when in the closed state, the driving door and the driven door close the passing part, when in the open state, the driven door at least partially overlaps with the driving door, and the passing part is exposed, when switching from the closed state to the open state, the power mechanism drives the driving door to slide in a first direction, and the driven door slides in the first direction at a speed twice that of the driving door under the action of the linkage assembly.

2. The group door according to claim 1, characterized in that: the linkage assembly further comprises a fixed pulley, the fixed pulley comprises a first fixed pulley arranged on the first fixing member and a second fixed pulley arranged on the second fixing member, and the flexible cable is wound around the first fixed pulley and the second fixed pulley.

3. The group door according to claim 2, characterized in that: the movable pulley comprises a first movable pulley and a second movable pulley arranged in front and back directions.

4. The group door according to claim 3, characterized in that: the flexible cable is sequentially wound around the first movable pulley, the first fixed pulley, the second movable pulley, and the second fixed pulley from the first end to the second end.

5. The group door according to claim 4, characterized in that: when in the closed state, the distance between the first fixed pulley and the first movable pulley in the left and right directions is equal to the distance between the second fixed pulley and the second movable pulley in the left and right directions.

6. The group door according to claim 1, characterized in that: the power mechanism is a cylinder assembly comprising a cylinder barrel and a piston rod, the piston rod being capable of sliding in left and right directions relative to the cylinder barrel, the cylinder barrel being fixedly arranged relative to the second fixing member, and the piston rod being connected with the driving door.

7. The group door according to claim 6, characterized in that: the driving door comprises a driving door body and a protruding block, the piston rod is fixedly connected with the protruding block, an avoiding groove is arranged between the protruding block and the driving door body, and the flexible cable is arranged through the avoiding groove.

8. The group door according to claim 1, characterized in that: the width of the driving door is equal to the sliding distance of the driving door in the left and right directions when switching from the closed state to the open state, and when switching from the closed state to the open state, the driving door and the driven door simultaneously reach an end portion in the left and right directions in an overlapping manner.

9. A linkage door according to any one of claims 1 to 8 wherein: the linkage door comprises a door frame, the driving door and the driven door are arranged to slide relative to the door frame, and the door frame has a fixed portion, when in the open state, at least part of the driving door and at least part of the driven door are located behind the fixed portion.

10. The group door according to claim 9, characterized in that: the driven door has a handle portion, when in the open state, the handle portion is exposed in front of the fixed portion.

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