CN215292305U - Two-stage sliding door - Google Patents

Abstract

The invention relates to a two-translation door which comprises a fixing piece, a power device, a gate, a swing arm, a transmission connecting rod, a fixing connecting rod, a sliding block and a rotating shaft for connecting the swing arm and the transmission connecting rod. The power device is connected with the swing arm, and the swing arm is connected with the transmission connecting rod. The invention comprises a two-stage opening and closing door, which realizes opening and closing of the door to a greater extent through a multi-stage door structure in a limited space; the structure is guaranteed to be more stable and reliable, in addition, synchronous actions of doors at all levels are achieved, synchronous contraction and synchronous expansion are achieved, the structure is simple, the efficiency is high, and the structure is novel and reliable.

Description

Two-stage sliding door

Technical Field

The invention relates to the technical field of gates, in particular to a two-stage sliding door.

Background

In the prior art, the opening and closing door is widely applied to occasions such as airports, ports, passenger transport docks, subway stations, community entrance guards and the like, and is particularly matched with self-service passages, security inspection doors, gates and the like. The opening and closing door used in the market generally has various forms such as a translation form, a swing gate form, a stick gate form, a push-pull type, a folding type and the like. The channel width and the door width are directly related by adopting the mode. Thus if it is desired to widen the passage, the doors must be widened simultaneously in order to ensure effective closure of the doors. The corresponding translating gate, and the folding gate, increase the width of the channel carrier itself. The swing gate, the rolling gate and the like are not beautiful, and the load is increased. Meanwhile, the existing door is poor in stability, and the upper end and the lower end of the gate cannot be on a horizontal line when the existing door is completely opened or closed.

Disclosure of Invention

The invention aims to provide a multistage translation telescopic door, which adopts a multistage translation door mode in a limited space to maximize the extending size of the door and minimize the retracting size of the door, and can increase the door stages according to different requirements to meet different size requirements.

The invention is realized by the following steps: a two-translation door comprises a fixing piece, a power device, a gate, a swing arm, a transmission connecting rod, a sliding block and a rotating shaft for connecting the swing arm and the transmission connecting rod. Wherein the gate comprises a primary gate and a secondary gate; the swing arms comprise a primary swing arm and a secondary swing arm; the rotating shafts comprise a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft; the mounting is equipped with first fretwork part and second fretwork part, the one-level swing arm is fixed on the mounting, its one end with first fretwork part block, the middle-end with first pivot is connected, and the other end passes through first pivot with the middle-end of drive connecting rod is connected, drive connecting rod one end is passed through the second pivot with the slider is connected, the other end pass through the third pivot with the second swing arm is connected. The slider is fixed second fretwork part, second grade swing arm one end pass through the third pivot with the transmission connecting rod is connected, and the other end passes through the fourth pivot is connected with the second grade door.

Preferably, the secondary translation door further comprises another group of swing arms, a transmission connecting rod, a fixed connecting rod, a sliding block and a rotating shaft for connecting the swing arms and the transmission connecting rod, wherein one group of the swing arms is located at the upper part of the fixed part, and the other group of the swing arms is located at the lower part of the fixed part.

Preferably, the second-level sliding door further comprises a first fixing rod and a second fixing rod, the first fixing rod is fixed on the fixing piece and fixedly connected with the upper and lower groups of first swing arms, and the second fixing rod is fixed on the second-level door and fixedly connected with the upper and lower groups of second swing arms.

Preferably, the power device comprises a motor, a transmission gear and a belt, and the power device is arranged at the middle end of the fixing piece and connected with the first fixing rod.

Preferably, the first hollowed-out part is fan-shaped and is vertically symmetrical by taking the center of the first rotating shaft as an axis.

Preferably, the fixing piece is a side fixing box, and the primary door is hidden in the fixing box when retracted.

Preferably, the primary door is a two-layer mechanism, a containing space is arranged in the primary door, the secondary swing arm is arranged in the containing space, and the secondary door is hidden in the containing space when retracted.

Preferably, the left side and the right side of the fixing piece are respectively provided with at least two limiting blocks for limiting the displacement range of the primary door.

The invention has the beneficial effects that: the multistage translation telescopic door comprises a two-stage opening and closing door, and the opening and closing actions of the multistage translation telescopic door are completed by transmitting force to a driving device through a swing arm and a transmission connecting rod, so that a large enough opening and closing degree is ensured, the width of a gate is reduced, or the opening and closing door with a larger limit is realized through a multistage door structure in a limited space, the requirements of the door stage number can be increased according to different door opening and closing requirements, and the multistage translation telescopic door is obviously superior to various door opening modes in the prior art; in addition, the power device drives the first-stage swing arm to rotate through the first rotating shaft, the first-stage swing arm drives the first-stage transmission connecting rod and the first-stage door to move horizontally through the rotating shaft, meanwhile, the first-stage door moves to drive the second-stage swing arm, the second-stage transmission connecting rod moves horizontally to further drive the second-stage door horizontal belt, synchronous action of all stages of doors is achieved, synchronous contraction and synchronous expansion are achieved, the structure is simple, the efficiency is high, and the structure is novel and reliable.

Drawings

FIG. 1 is a front view of a closed state of an embodiment of a two-stage sliding retractable door according to the present invention;

FIG. 2 is a front view of an open state of an embodiment of the two-stage sliding retractable door according to the present invention;

FIG. 3 is a front view of an embodiment of a two-stage translating and telescoping door of the present invention with a hidden primary door;

FIG. 4 is a rear view of a two-level sliding retractable door embodiment of the present invention with the primary door hidden;

wherein, 1, fixing parts; 2. a power plant; 31. a primary door; 32. a secondary door; 4. swinging arms; 41 level of swing arm; 42 two-stage swing arm; 6: a slider; 81. a first fixing lever; 82. a second fixing bar; 11. A first hollowed-out portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As an embodiment of the multi-stage sliding retractable door of the present invention, as shown in fig. 1 to 4, the present invention is implemented as follows: a two-translation door comprises a fixing piece 1, a power device 2, a gate, a swing arm 4, a transmission connecting rod, a sliding block 6 and a rotating shaft for connecting the swing arm and the transmission connecting rod. Wherein the gate comprises a primary door 31 and a secondary door 32; the swing arm 4 comprises a primary swing arm 41 and a secondary swing arm 42; the rotating shafts comprise a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft; the mounting is equipped with first fretwork part 11 and second fretwork part 12, one-level swing arm 41 is fixed on mounting 1, its one end with 11 block of first fretwork part, the middle-end with first pivot is connected, and the other end passes through first pivot with the middle-end of drive connecting rod is connected, drive connecting rod one end is passed through the second pivot with slider 6 is connected, the other end pass through the third pivot with second swing arm 42 is connected. The slide block 6 is fixed on the second hollow part 12, one end of the second-stage swing arm 42 is connected with the transmission connecting rod through the third rotating shaft, and the other end of the second-stage swing arm is connected with the second-stage door 32 through the fourth rotating shaft.

The concrete embodiment also comprises another group of swing arms 4, a transmission connecting rod, a slide block 6 and a rotating shaft for connecting the swing arms and the transmission connecting rod, wherein one group is positioned at the upper part of the fixing piece 1, and the other group is positioned at the lower part of the fixing piece 1.

Further, the door further comprises a first fixing rod 81 and a second fixing rod 82, wherein the first fixing rod 81 is fixed on the fixing member 1 and fixedly connected with the upper and lower groups of first swing arms 41, and the second fixing rod 82 is fixed on the second-stage door 32 and fixedly connected with the upper and lower groups of second swing arms 42. In the embodiment, the motor is only connected with the lower group of first swing arms 41, the force of the motor is transmitted to the upper group of first swing arms 41 through the first fixing rod 81, the second fixing piece 82 is connected with the upper and lower second swing arms 42 of the secondary door 32, the uniform stress on the upper side and the lower side of the secondary door 32 is fully ensured, the sliding door is ensured to be stably and synchronously retracted and unfolded, and the service life is prolonged.

In a specific embodiment, in order to reduce the thickness of the whole mechanism, the fixing member 1 is provided with a second hollow part 12, and the sliding block 6 is fixed in the fixing member 1 and penetrates through the fixing member, so as to reduce the thickness of the whole device.

Through the practice of the inventor, if the thickness of the whole device is not required, the second hollow part can also be omitted, and the sliding block is directly fixed on the fixing piece, so that the same synchronous contraction effect of the two-stage door is achieved.

Preferably, the power device comprises a motor, a transmission gear and a belt, and is arranged at the middle end of the fixing member 1 and connected with the first fixing rod 81 and the first swing arm 41 below the fixing member.

In an embodiment, the first hollow portion 11 is fan-shaped and is vertically symmetrical with the first rotation axis center as an axis. The up-and-down symmetry guarantees that the translation door is opened and the closed displacement volume is equal, ensures the stability of translation door.

In a specific embodiment, the fixing member 1 is a side fixing box, and the primary door is hidden in the fixing box when retracted.

In a specific embodiment, the primary door 31 is a two-layer mechanism, and has a storage space therein, the secondary swing arm is disposed in the storage space, and the secondary door 32 is hidden in the storage space when retracted.

In a specific embodiment, the left side and the right side of the fixing part 1 are respectively provided with at least two limiting blocks for limiting the displacement range of the primary door. The limiting block mainly aims at limiting the displacement amplitude and reducing impact damage in the opening and closing process of the sliding door mechanism, so that the limiting device is made of softer materials such as rubber and plastic.

According to the specific implementation mode of the door closing device, when the door is closed, the first swing arm and the first fixing rod are driven to move through the belt under the action of the motor, the second swing arm keeps synchronous horizontal movement with the first swing arm under the action of the first fixing rod, the first-stage door is driven to horizontally move through the transmission connecting rod, the first-stage door horizontally moves to drive the second-stage swing arm to rotate, the second-stage swing arm drives the second-stage door to move under the action of the second-stage swing arm, and the second-stage door is perfectly accommodated in the accommodating space of the first-stage door due to the fact that the second-stage swing arm rotates. The rotational motion of synchronous first swing arm combines the limiting action of slider, and the one-level door is accomodate in mounting top and slider link. And opening the secondary door and repeating the opposite actions.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. Second grade translation door, including mounting, power device, gate, swing arm, transmission connecting rod, slider and the pivot of connecting swing arm and transmission connecting rod:

wherein the gate comprises a primary gate and a secondary gate;

the swing arms comprise a primary swing arm and a secondary swing arm;

the rotating shafts comprise a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft;

its characterized in that, the mounting is equipped with first fretwork part and second fretwork part, the one-level swing arm is fixed on the mounting, its one end with first fretwork part block, the middle-end with first pivot is connected, and the other end passes through first pivot with transmission connecting rod's middle-end is connected, transmission connecting rod one end is passed through the second pivot with the slider is connected, the other end pass through the third pivot with the second grade swing arm is connected, the slider is fixed second fretwork part, second grade swing arm one end is passed through the third pivot with transmission connecting rod connects, the other end passes through the fourth pivot with the second grade door is connected.

2. The two-stage sliding door according to claim 1 further comprising another set of swing arms, transmission links, fixed links, sliders and rotating shafts connecting the swing arms and the transmission links, wherein one set is located at the upper part of the fixed member and the other set is located at the lower part of the fixed member.

3. The two-stage sliding door according to claim 1, further comprising a first fixing rod and a second fixing rod, wherein the first fixing rod is fixed on the fixing member and fixedly connects the upper and lower sets of first swing arms, and the second fixing rod is fixed on the two-stage sliding door and fixedly connects the upper and lower sets of second swing arms.

4. The two-stage sliding door according to claim 3, wherein the power device comprises a motor, a transmission gear and a belt, and the power device is arranged at the middle end of the fixing member and connected with the first fixing rod.

5. The two-stage sliding door according to claim 1, wherein the hollow parts of the fixing part are vertically symmetrical with respect to the first rotating shaft center.

6. The two-stage sliding door according to claim 1, wherein the fixing member is a side fixing box, the first-stage door is hidden in the fixing box when retracted, a containing space is also arranged in the first-stage door, and the second-stage door is hidden in the first-stage door when retracted.

7. The two-stage sliding door according to claim 1, wherein at least two limiting blocks are respectively arranged on the left side and the right side of the fixing member for limiting the displacement range of the one-stage door.

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