CN209838119U - Safety door structure - Google Patents

Abstract

The utility model provides an emergency exit structure, move door and link gear including door frame, first door, second that move, first move door and second move door and follow linear motion under first guiding mechanism and second guiding mechanism's guide, have both overlapping open the position and both parallel adjacent closed position. The linkage mechanism is connected with the first sliding door and the second sliding door and comprises a pulley block structure and a traction rope, and under the driving of the linkage device, the first sliding door and the second sliding door synchronously move linearly between an opening position and a closing position, so that the first sliding door and the second sliding door simultaneously reach the opening position or the closing position, the two sliding doors are opened or closed simultaneously, the opening and closing of the safety door are simple, convenient and quick, and the safety of equipment is improved.

Description

Safety door structure

Technical Field

The utility model relates to a linkage door technical field, concretely relates to emergency exit structure.

Background

When some automatic devices are used for processing operation, certain dangerousness exists or certain protective measures need to be set, and safety doors need to be set for operation protection; one end of the linkage plate is fixed with the bottom surface of the other door leaf, the other end of the linkage plate forms a sliding part in sliding fit with the first sliding groove, and the length of the sliding part is smaller than that of the first sliding groove; the second sliding groove is in sliding fit with the guide rail, the length of the guide rail is smaller than that of the second sliding groove, the position of the guide rail and the position of the sliding part are staggered, and when the first door leaf slides to the position blocked by the groove wall of the first sliding groove, the second door leaf is driven to move, so that linkage of the two door leaves is realized.

However, the linked sliding door cannot realize simultaneous linked opening or closing of the two door leaves, and only external force can be applied to each door leaf, so that the sliding door is inconvenient to use and not high enough in safety.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that two door leafs of the emergency exit among the prior art can not be opened or closed in the linkage simultaneously to an emergency exit structure that can open or close simultaneously is provided.

The utility model provides a safety door structure, which comprises a door frame;

the first sliding door and the second sliding door are respectively connected to a first guide mechanism and a second guide mechanism which are arranged on the door frame in parallel in a sliding mode, move along a straight line under the guide of the first guide mechanism and the second guide mechanism, and have an opening position where the first sliding door and the second sliding door are overlapped and a closing position where the first sliding door and the second sliding door are adjacent in parallel;

the linkage mechanism is connected with the first sliding door and the second sliding door and comprises a pulley block structure and a traction rope, the first sliding door is fixedly connected with the pulley block structure, the second sliding door is fixedly connected with the traction rope, and the first sliding door and the second sliding door synchronously move linearly between the opening position and the closing position under the driving of the linkage device, so that the first sliding door and the second sliding door simultaneously reach the opening position or the closing position; the moving speed of the second sliding door is twice of the moving speed of the first sliding door.

The pulley block structure comprises

The movable pulley is fixedly connected to the first movable door, comprises a first movable pulley and a second movable pulley which are independent of each other, and is used for changing the moving speed of the first movable door into one half of the moving speed of the second movable door;

the fixed pulley is fixedly connected with the door frame and used for changing the direction of the traction rope and comprises a first fixed pulley and a second fixed pulley, the first fixed pulley is fixedly arranged on the door frame close to the opening position, and the second fixed pulley is fixedly arranged on the door frame far away from the opening position.

After the traction rope sequentially winds the first movable pulley, the first fixed pulley, the second fixed pulley and the second movable pulley, two ends of the traction rope are fixedly connected with the door frame.

After the traction rope enters the pulley block structure and changes direction, each rope segment is parallel to the first guide mechanism or the second guide mechanism.

In the closed position, the first sliding door is located between the open position and the second sliding door.

The second sliding door is fixedly connected to the first rope section of the traction rope between the second movable pulley and the second fixed pulley through a locking piece, and the moving speed of the second sliding door is the same as the linear speed of the traction rope.

The linkage device further comprises a linear driving device which is fixedly arranged on a second rope section of the traction rope connected with the first fixed pulley and the second fixed pulley, and the linear driving device drives the second rope section to do linear reciprocating motion to drive the first sliding door and the second sliding door to do synchronous linear motion between the opening position and the closing position.

And a handle is arranged on the second sliding door.

The first guide structure and the second guide structure are linear guide rails and sliders, and the first sliding door and the second sliding door are connected with the guide rails in a sliding mode through the sliders.

And a buckling device is further arranged between the first sliding door and the second sliding door and comprises buckling plates which are respectively arranged on the first sliding door and the second sliding door, and when the first sliding door and the second sliding door are positioned at the closed position, the two buckling plates are buckled.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an emergency exit structure, move door and link gear including door frame, first door, second that move, first move door and second move door and follow linear motion under first guiding mechanism and second guiding mechanism's guide, have both overlapping open position and both parallel adjacent closed position. The linkage mechanism is connected with the first sliding door and the second sliding door and comprises a pulley block structure and a traction rope, and under the driving of the linkage device, the first sliding door and the second sliding door synchronously move linearly between an opening position and a closing position, so that the first sliding door and the second sliding door simultaneously reach the opening position or the closing position, the two sliding doors are opened or closed simultaneously, the opening and closing of the safety door are simple, convenient and quick, and the safety of equipment is improved. And the second moves the door and haulage rope fixed connection, consequently can just realize opening simultaneously and closing first moving door and second move the door through only applying opposite direction's power to haulage rope or second and move the door, has reduced drive arrangement's quantity of setting, has reduced equipment cost, has also simplified the operation degree of difficulty of opening and shutting the door.

2. The utility model provides an emergency exit structure, assembly pulley structure include movable pulley and fixed pulley, and after the haulage rope walked around the movable pulley, according to the principle of movable pulley change speed, the first removal door's that moves that is connected with the movable pulley removal speed becomes the half of haulage rope linear velocity for first move door and second move the door and reach the travel used time of opening the position from the closed position respectively the same, realized two and opened or close when moving the door.

3. The utility model provides an emergency exit structure, movable pulley include independent first movable pulley and second movable pulley each other, and first fixed pulley is fixed to be set up on being close to the door frame of opening the position, and the second fixed pulley is fixed to be set up on keeping away from the opposite side door frame of opening the position, and after first movable pulley, first fixed pulley, second fixed pulley, the second movable pulley were walked around in proper order to haulage rope, both ends with door frame fixed connection through each movable pulley of haulage rope linkage and fixed pulley, connects the arbitrary rope segment removal between each movable pulley and the fixed pulley through the drive, can drive the first door and the second of moving of being connected with it and move a concerted movement. And set up two movable pulleys on first moving the door, can realize can drive first opening or closing motion when moving door and second and moving the door after the drive power of opposite direction is applyed to same rope segment, compare and set up a plurality of drive arrangement and apply the pulling force to the haulage rope from a plurality of positions in prior art and be used for driving a plurality of doors that move, the utility model discloses required drive arrangement quantity still less has reduced the cost of equipment.

4. The utility model provides an emergency exit structure, the second move the door pass through locking piece fixed connection in the second movable pulley with between the second fixed pulley on the first rope segment of haulage rope, the second move the moving speed of door with the haulage rope linear velocity is the same, consequently only need to move the door to the second and apply arbitrary direction's power along guiding mechanism and can realize two concerted motions that move the door, provide the manual operation emergency exit mode of opening and shutting.

5. The utility model provides an emergency exit structure, aggregate unit still includes linear drive device, fixed setting is on the second rope segment of the haulage rope of connecting first fixed pulley and second fixed pulley, linear drive device drive second rope segment is straight reciprocating motion, it moves the door and do synchronous linear motion with the second between opening the position and closing the position to drive first, through the state of controlling linear drive device, the programmable control system of cooperation, can cooperate with equipment production process, realize the function that automated control emergency exit opened and shut.

6. The utility model provides an emergency exit structure, first move the door with the second moves and still is equipped with lock device between the door, including set up respectively in first move the door with the second moves the buckle board on the door, first move the door with the second moves the door and is located during the closed position, two the buckle board looks lock can move the door and reach when closed position through setting up lock device at first moving the door and second, restricts both further separation to fill the space between the two, improve the leakproofness of protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a safety door structure in embodiment 1;

FIG. 2 is a schematic view showing the construction of a linkage mechanism in an internal view of the apparatus according to embodiment 1;

FIG. 3 is a schematic view of a linkage mechanism from the external perspective of the apparatus in example 1;

FIG. 4 is a schematic configuration diagram of an open position in embodiment 1;

FIG. 5 is a schematic view of a fastening device according to embodiment 1;

description of reference numerals:

1-a first sliding door; 2-a second sliding door; 3-a linkage mechanism; 4-open position; 5 a closed position; 6-a first guiding mechanism; 7-a second guiding mechanism; 8-a fastening device; 11-a first fixing plate; 21-a second fixing plate; 22-a handle; 23-a locking element; 31-a hauling rope; 32-a pulley block structure; 61-a first guide rail; 62-a first slider; 71-a second slide rail; 72-a second slide; 81-fastening plate; 311-a first rope segment; 312-a second rope segment; 313-a third rope segment; 314-fixing the rope portion; 321-a first movable pulley; 322-a second movable pulley; 323-a first fixed pulley; 324-a second fixed pulley; 325-mounting block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply 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 limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment provides a safety door structure, which is installed on an outer shell of a processing device and used for protecting components inside the device, and the structure of the safety door structure is shown in fig. 1, and comprises a door frame (not shown in the figure), a first sliding door 1, a second sliding door 2 and a linkage mechanism 3, wherein the first sliding door 1 and the second sliding door 2 move linearly under the guidance of a first guide mechanism 6 and a second guide mechanism 7, and the safety door structure has an opening position 4 overlapped with the first sliding door and a closing position 5 adjacent to the second sliding door in parallel. The linkage mechanism 3 is connected with the first sliding door 1 and the second sliding door 2 and comprises a pulley block structure 32 and a traction rope 31, and under the driving of the linkage device, the first sliding door 1 and the second sliding door 2 synchronously move linearly between an opening position 4 and a closing position 5, so that the first sliding door 1 and the second sliding door 2 simultaneously reach the opening position 4 or the closing position 5, the opening or closing of the two sliding doors is realized, the opening and closing of the safety door are simple, convenient and quick, and the safety of equipment is also improved. And the second sliding door 2 is fixedly connected with the pulling rope 31, so that the first sliding door 1 and the second sliding door 2 can be opened and closed simultaneously only by applying force in the opposite direction to the pulling rope 31 or the second sliding door 2, the arrangement number of driving devices is reduced, the equipment cost is reduced, and the operation difficulty of opening and closing the doors is also simplified.

As shown in fig. 1 and 4, the first sliding door 1 and the second sliding door 2 in the present embodiment have the same width, are arranged in parallel with each other with a shift, and when in the open position 4, the first sliding door 1 and the second sliding door 2 are overlapped on the left side of the guide mechanism in fig. 4. When in the closed position 5, the first sliding door 1 is positioned between the open position 4 and the second sliding door 2, and the first sliding door 1 and the second sliding door 2 are connected end to end. Therefore, the second sliding door 2 travels twice as long as the first sliding door 1 during the opening or closing process.

As shown in fig. 1 and 2, the pulley block structure 32 in this embodiment includes a movable pulley and a fixed pulley, after the pulling rope 31 passes around the movable pulley, according to the principle that the speed of the movable pulley is changed, the moving speed of the first sliding door 1 connected with the movable pulley is changed to be half of the linear speed of the pulling rope 31, so that the time taken by the strokes of the first sliding door 1 and the second sliding door 2 from the closed position 5 to the open position 4 respectively is the same, and the simultaneous opening or closing of the two sliding doors is realized.

Specifically, as shown in fig. 2, the movable pulley in this embodiment includes a first movable pulley 321 and a second movable pulley 322 which are independent from each other, the first movable pulley 321 and the second movable pulley 322 are distributed on the first sliding door 1 along the moving direction of the first sliding door 1, both of them move along with the first sliding door 1, the pulling rope 31 is divided into two rope segments on both sides of the first movable pulley 321 or the second movable pulley 322, and therefore, the moving speed of the first sliding door 1 is half of the linear speed of the pulling rope 31. As shown in fig. 3, the second sliding door 2 is fixedly connected to the first rope portion 311 of the pulling rope 31 between the second movable pulley 322 and the second fixed pulley 324 through the locking member 23, so that the moving speed of the second sliding door 2 is the same as the linear speed of the pulling rope 31, and therefore the moving speed of the first sliding door 1 is twice the moving speed of the second sliding door 2, and according to the relationship between the travel distances of the first sliding door 1 and the second sliding door 2, it can be found that the first sliding door 1 and the second sliding door 2 can be opened and closed simultaneously.

As shown in fig. 2, a first fixed pulley 323 is fixedly provided on the door frame near the open position 4, and a second fixed pulley 324 is fixedly provided on the other side of the door frame far from the open position 4, for changing the direction of the traction rope 31 and the direction of the driving force applied to the second sliding door 2 or the traction rope 31. The two ends of the traction rope 31 are fixedly connected with the door frame after sequentially passing through the first movable pulley 321, the first fixed pulley 323, the second fixed pulley 324 and the second movable pulley 322.

Each movable pulley and the fixed pulley under the linkage of the traction rope 31 can drive the first sliding door 1 and the second sliding door 2 connected with the movable pulleys and the fixed pulley to move in coordination by driving any rope section (not including the fixed rope section 314 fixedly connected with the door frame at two ends) connected between the movable pulleys and the fixed pulley. And set up two movable pulleys on first sliding door 1, can realize can driving first sliding door 1 and the second sliding door 2 open or close the motion simultaneously after applying the drive power of opposite direction to same rope segment, compare and set up a plurality of drive arrangement and exert pulling force to haulage rope 31 from a plurality of positions in prior art and be used for driving a plurality of sliding doors, required drive arrangement quantity is still less, has reduced the cost of equipment.

For example, a pulling force in a closing direction (indicated by an arrow D2 in fig. 2) is applied to the first rope segment 311 connected to the second sliding door 2, and forces on the first rope segment 311 and the fixed rope segment 314 on both sides of the second movable pulley 322 are unbalanced, so that the second movable pulley 322 is forced to rotate, and the second movable pulley 322 drives the first sliding door 1 to move to the closing position 5; on the contrary, a pulling force in an opening direction (indicated by an arrow D1 in fig. 2) is applied to the first rope segment 311, and the direction of the pulling force is changed by the first fixed pulley 323 and the second fixed pulley 324, and the pulling force is transmitted to the third rope segment 313 between the first movable pulley 321 and the first fixed pulley 323, so that the forces on the third rope segment 313 and the fixed rope segment 314 at both sides of the first movable pulley 321 are unbalanced, and the first movable pulley 321 is forced to rotate, so that the first movable pulley 321 drives the first sliding door 1 to move in the opening direction. Therefore, the cooperative motion of the two sliding doors can be realized only by applying force in any direction to the second sliding door 2 along the guide mechanism through the handle 22, and a manual operation safety door opening and closing mode is provided.

Similarly, when the driving force is applied to the second rope portion 312 between the first fixed pulley 323 and the second fixed pulley 324, the direction of the driving force by the fixed pulleys is changed, so that the tension in the closing direction is changed to the tension in the opening direction of the first movable pulley 321, and the tension in the opening direction is changed to the tension in the closing direction of the second movable pulley 322. Therefore, the linkage device in this embodiment further includes a linear driving device (not shown in the figure), which is fixedly disposed on the second rope portion 312 of the traction rope 31 connecting the first fixed pulley 323 and the second fixed pulley 324, and the linear driving device drives the second rope portion 312 to perform a linear reciprocating motion, so as to drive the first sliding door 1 and the second sliding door 2 to perform a synchronous linear motion between the open position 4 and the closed position 5.

Specifically, the linear driving device in this embodiment may be a driving structure of a servo motor and a lead screw, or may be driven by an air cylinder, which is not limited herein.

As shown in fig. 2, in the embodiment, after the pulling rope 31 passes through the pulley block structure 32 to change the direction, each rope segment is parallel to the first guiding mechanism 6 or the second guiding mechanism 7, so that the speed relationship between the first sliding door 1 and the second sliding door 2 can be ensured to be stable.

In this embodiment, the first guide structure and the second guide structure 7 are both linear guide rails and sliders, and the first sliding door 1 and the second sliding door 2 are both connected to the guide rails through the sliders in a sliding manner. As shown in fig. 3, the first guide mechanism 6 includes a first guide rail 61 and a first slider 62, and the second guide mechanism 7 includes a second guide rail 71 and a second slider 72.

As shown in fig. 2 and 3, the tops of the first sliding door 1 and the second sliding door 2 in the present embodiment are bent inward to form a first fixing plate 11 and a second fixing plate 21 which are parallel to each other, and the first fixing plate 11 is higher than the second fixing plate 21. The interlocking structure is provided in a gap between the first fixing plate 11 and the second fixing plate 21. The first movable pulley 321 and the second movable pulley 322 are fixed to the back surface (the side facing the inside of the apparatus) of the first fixed plate 11 by a mounting block 325. The locking member 23 is fixed to the outside of the second fixing plate 21. The first slider 62 and the second slider 72 are also fixed to the outer sides of the first fixed plate 11 and the second fixed plate 21, respectively.

As shown in fig. 5, a fastening device 8 is further disposed between the first sliding door 1 and the second sliding door 2, and includes fastening plates 81 respectively disposed on the first sliding door 1 and the second sliding door 2, when the first sliding door 1 and the second sliding door 2 are located at the closing position 5, the two fastening plates 81 are fastened together, and by disposing the fastening device 8, when the first sliding door 1 and the second sliding door 2 reach the closing position 5, the first sliding door 1 and the second sliding door 2 are prevented from further separating, and a gap between the first sliding door 1 and the second sliding door 2 is filled, so that the protection tightness is improved.

Alternatively, in this embodiment, the linear driving device is not provided, and the second sliding door 2 directly drives the opening and closing of the safety door.

As an alternative embodiment, the first movable pulley 321 and the second movable pulley 322 in this embodiment may also be arranged on the first fixed part along a direction perpendicular to the moving direction of the first sliding door 1, and there is no limitation on the relative arrangement position of the first movable pulley 321 and the second movable pulley 322.

As an alternative, the pulling rope 31 and the pulley block structure 32 in this embodiment may be replaced by a synchronous belt and a synchronous pulley, or may be replaced by a gear and a chain.

Example 2

The embodiment provides a safety door structure, and the winding manner of the pulling rope 31 is the same as that of embodiment 1, except that the two ends of the pulling rope 31 close to the opening position 4 and the closing position 5 are respectively an opening end and a closing end, the two ends are not fixed on a door frame, and the second sliding door 2 is fixedly connected with the rope section where the closing end is located. The first sliding door 1 and the second sliding door 2 at the opening ends are pulled to move to the opening position 4, and the first sliding door 1 and the second sliding door 2 at the closing ends are pulled to move to the positions.

The winding devices are respectively connected to the opening end and the closing end of the traction rope 31, when the winding device on one side receives the traction rope 31, the winding device on the other side releases the traction rope 31, and the rotating speeds of the winding devices on the two sides are the same.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A safety door structure is characterized by comprising a door frame;

the sliding door comprises a first sliding door (1) and a second sliding door (2), wherein the first sliding door (1) and the second sliding door (2) are respectively connected to a first guide mechanism (6) and a second guide mechanism (7) which are arranged on the door frame in parallel in a sliding mode, move along a straight line under the guide of the first guide mechanism (6) and the second guide mechanism (7), and have an opening position (4) where the first sliding door and the second sliding door are overlapped and a closing position (5) where the first sliding door and the second sliding door are adjacent in parallel;

the linkage mechanism (3) is used for connecting the first sliding door (1) and the second sliding door (2) and comprises a pulley block structure (32) and a traction rope (31), the first sliding door (1) is fixedly connected with the pulley block structure (32), the second sliding door (2) is fixedly connected with the traction rope (31), and the first sliding door (1) and the second sliding door (2) synchronously and linearly move between the opening position (4) and the closing position (5) under the driving of the linkage mechanism (3), so that the first sliding door (1) and the second sliding door (2) simultaneously reach the opening position (4) or the closing position (5); the moving speed of the second sliding door (2) is twice of the moving speed of the first sliding door (1).

2. A safety door structure according to claim 1, characterized in that the pulley block structure (32) comprises

The movable pulley is fixedly connected to the first sliding door (1), comprises a first movable pulley (321) and a second movable pulley (322) which are independent of each other and is used for changing the moving speed of the first sliding door (1) into one half of the moving speed of the second sliding door (2);

the fixed pulley is fixedly connected with the door frame and used for changing the direction of the traction rope (31), and comprises a first fixed pulley (323) and a second fixed pulley (324), the first fixed pulley (323) is fixedly arranged on the door frame close to the opening position (4), and the second fixed pulley (324) is fixedly arranged on the door frame far away from the opening position (4).

3. The safety door structure according to claim 2, wherein both ends of the traction rope (31) are fixedly connected to the door frame after passing through the first movable pulley (321), the first fixed pulley (323), the second fixed pulley (324), and the second movable pulley (322) in this order.

4. A safety door structure according to claim 3, characterized in that the rope segments are parallel to the first guide means (6) or the second guide means (7) after the direction of the pulling rope (31) is changed by a pulley block structure (32).

5. The safety door structure according to claim 4, characterized in that the first sliding door (1) is located between the open position (4) and the second sliding door (2) in the closed position (5).

6. The safety door structure according to claim 5, wherein the second sliding door (2) is fixedly connected to the first rope segment (311) of the traction rope (31) between the second movable pulley (322) and the second fixed pulley (324) through a locking member (23), and the moving speed of the second sliding door (2) is the same as the linear speed of the traction rope (31).

7. The safety door structure according to claim 6, wherein the linkage mechanism further comprises a linear driving device fixedly disposed on a second rope portion (312) of the pulling rope (31) connecting the first fixed pulley (323) and the second fixed pulley (324), the linear driving device driving the second rope portion (312) to linearly reciprocate to drive the first sliding door (1) and the second sliding door (2) to linearly move synchronously between the open position (4) and the closed position (5).

8. A safety door structure according to claim 7, characterized in that the second sliding door (2) is provided with a handle (22).

9. The safety door structure according to claim 8, characterized in that the first guide mechanism and the second guide mechanism (7) are both linear guide rails and sliding blocks, and the first sliding door (1) and the second sliding door (2) are both connected with the guide rails in a sliding manner through the sliding blocks.

10. The safety door structure according to claim 9, wherein a fastening device (8) is further disposed between the first sliding door (1) and the second sliding door (2), and comprises fastening plates (81) respectively disposed on the first sliding door (1) and the second sliding door (2), and when the first sliding door (1) and the second sliding door (2) are located at the closed position (5), the two fastening plates (81) are fastened together.