CN218716172U - Self-closing safety door - Google Patents

Abstract

The utility model discloses a self-closing emergency exit, including fixed frame, pivot, torsional spring, connecting block, the emergency exit door body, gyration limiting mechanism and striking buffer gear, the pivot is rotatory to be located on the fixed frame, the torsional spring cup joints in locating the pivot, the pivot is located respectively on fixed frame at the both ends of torsional spring, the connecting block cup joints in locating the pivot, the emergency exit door body is located on the connecting block, gyration limiting mechanism locates on the fixed frame and locates in the pivot, striking buffer gear locates on the emergency exit door body. The utility model relates to an emergency exit technical field specifically provides a need not the staff and applys the effort to the emergency exit for a long time, and is more laborsaving, and the impact when being convenient for carry out the self-closing emergency exit that cushions to emergency exit self-closing.

Description

Self-closing safety door

Technical Field

The utility model relates to an emergency exit technical field specifically indicates a self-closing emergency exit.

Background

The safety door is an important protection measure for ensuring the safety of personnel and property, and is widely applied in the industrial field. At present, the emergency exit that industrial field used adopts modes such as spring folding paper return or eccentric shaft to realize automatic closure mostly, and this kind of emergency exit has certain defect in the use:

1. when a worker needs to pass through the safety door, the worker needs to apply an acting force to the safety door to open the safety door, then the worker can pass through the safety door, but before the worker passes through the safety door, the worker needs to always apply the acting force to the safety door to prevent the safety door from being automatically closed, and the process wastes manpower;

2. when the safety door is automatically closed, the safety door directly impacts a door frame or a wall body, and the safety door body is easy to deform over time, so that the door frame or the wall body is damaged.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a need not the staff and applys the effort to the emergency exit for a long time, laborsaving more, the impact when being convenient for carry out the self-closing emergency exit that cushions to emergency exit self-closing.

The utility model adopts the following technical scheme: the utility model relates to a self-closing emergency exit, including fixed frame, pivot, torsional spring, connecting block, the emergency exit door body, gyration limiting mechanism and striking buffer gear, the pivot is rotatory to be located on the fixed frame, the torsional spring cup joints in locating the pivot, the pivot is located respectively on fixed frame at the both ends of torsional spring, the connecting block cup joints in locating the pivot, the emergency exit door body is located on the connecting block, gyration limiting mechanism locates on the fixed frame and locates in the pivot, striking buffer gear locates on the emergency exit door body.

Further, gyration arrestment mechanism includes the lead screw, cup joints piece, first spring, block piece and ratchet, the lead screw is rotatory to be located on the fixed frame, the cup joints on locating the lead screw through the screw thread to the block, be equipped with the slider on the cup joint piece, be equipped with the spout on the fixed frame, the slider slides and locates in the spout, it is equipped with the cavity in the block to cup joint, first spring is located in the cavity, the block piece is located on the first spring and slides and locate in the cavity, the ratchet cup joints and locates in the pivot, but the block piece is connected with the ratchet block.

Further, striking buffer gear includes second spring and buffer board, the second spring is located on the emergency exit door body, the buffer board is located on the second spring.

Further, there is double-end motor on the fixed frame, the one end of lead screw is located on double-end motor's the output shaft.

Furthermore, a buffer pad is arranged on the buffer plate.

Furthermore, two groups of rotation limiting mechanisms are symmetrically arranged.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: when the safety door body is opened to a proper size, a worker can release the safety door body, the ratchet wheel does not rotate reversely due to the clamping effect of the clamping block on the ratchet wheel, the clamping block cannot rotate reversely, the safety door body cannot be automatically closed, when the safety door body needs to be closed, the double-end motor is started, the double-end motor drives the screw rod to rotate, the screw rod drives the sleeve block to move, the sleeve block drives the first spring and the clamping block to move, and when the clamping block does not clamp the ratchet wheel any more, the safety door body is closed under the action of the torsion spring; this scheme is equipped with striking buffer gear, and the impact when being convenient for to emergency exit door body self-closing cushions through striking buffer gear.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of the present solution;

FIG. 2 is a front view of the present solution;

FIG. 3 is a left side view of the present solution;

FIG. 4 isbase:Sub>A cross-sectional view taken along section A-A of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a plan view of the present solution.

The safety door comprises a fixing frame 1, a fixing frame 2, a rotating shaft 3, a torsion spring 4, a connecting block 5, a safety door body 6, a rotation limiting mechanism 7, an impact buffering mechanism 8, a screw rod 9, a sleeve connecting block 10, a first spring 11, a clamping block 12, a ratchet wheel 13, a sliding block 14, a sliding groove 15, a second spring 16, a buffering plate 17, a double-head motor 18 and a buffering pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-6, the utility model relates to a self-closing safety door, including fixed frame 1, pivot 2, torsional spring 3, connecting block 4, the safety door body 5, gyration limiting mechanism 6 and striking buffer gear 7, pivot 2 is rotatory to be located on fixed frame 1, torsional spring 3 cup joints and locates on pivot 2, the both ends of torsional spring 3 are located on pivot 2 and fixed frame 1 respectively, connecting block 4 cup joints and locates on pivot 2, the safety door body 5 locates on connecting block 4, gyration limiting mechanism 6 locates on fixed frame 1 and locates on pivot 2, striking buffer gear 7 locates on the safety door body 5; the rotation limiting mechanism 6 comprises a screw rod 8, a sleeving block 9, a first spring 10, a clamping block 11 and a ratchet wheel 12, the screw rod 8 is rotatably arranged on the fixed frame 1, the sleeving block 9 is sleeved on the screw rod 8 through threads, a sliding block 13 is arranged on the sleeving block 9, a sliding groove 14 is arranged on the fixed frame 1, the sliding block 13 is slidably arranged in the sliding groove 14, a cavity is arranged in the sleeving block 9, the first spring 10 is arranged in the cavity, the clamping block 11 is arranged on the first spring 10 and slidably arranged in the cavity, the ratchet wheel 12 is sleeved on the rotating shaft 2, and the clamping block 11 and the ratchet wheel 12 can be clamped and connected; the impact buffer mechanism 7 comprises a second spring 15 and a buffer plate 16, the second spring 15 is arranged on the safety door body 5, and the buffer plate 16 is arranged on the second spring 15; a double-head motor 17 is arranged on the fixed frame 1, and one end of a screw rod 8 is arranged on an output shaft of the double-head motor 17; a buffer pad 18 is arranged on the buffer plate 16; two groups of rotation limiting mechanisms 6 are symmetrically arranged.

When the safety door body 5 is required to pass through, the safety door body 5 is pulled to open the safety door body 5, the safety door body 5 drives the rotating shaft 2 to rotate through the connecting block 4, the rotating shaft 2 drives the ratchet 12 to rotate, the torsion spring 3 is twisted, after the safety door body 5 is opened to a proper size, a worker can loosen the safety door body 5, at the moment, the ratchet 12 does not rotate reversely due to the clamping effect of the clamping block 11 on the ratchet 12, the clamping block 11 cannot rotate reversely, the safety door body 5 cannot be automatically closed, when the safety door body 5 is required to be closed, the double-end motor 17 is started, the double-end motor 17 drives the screw rod 8 to rotate, the screw rod 8 drives the sleeving block 9 to move, the sleeving block 9 drives the first spring 10 and the clamping block 11 to move, when the ratchet 12 is not clamped any more by the clamping block 11, the rotating shaft 2 rotates reversely under the action of the torsion spring 3, the rotating shaft 2 drives the safety door body 5 to rotate reversely through the connecting block 4, the safety door body 5 is closed, and the impact force generated when the safety door body 5 is closed through the buffer plate 16, and the impact force can be enhanced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A self-closing safety door is characterized in that: including fixed frame (1), pivot (2), torsional spring (3), connecting block (4), the emergency exit door body (5), gyration guiding mechanism (6) and striking buffer gear (7), pivot (2) rotation is located on fixed frame (1), torsional spring (3) cup joint and are located on pivot (2), the both ends of torsional spring (3) are located respectively on pivot (2) and fixed frame (1), connecting block (4) cup joint and are located on pivot (2), the emergency exit door body (5) are located on connecting block (4), gyration guiding mechanism (6) are located on fixed frame (1) and are located on pivot (2), striking buffer gear (7) are located on the emergency exit door body (5).

2. A self-closing safety door according to claim 1, wherein: gyration arrestment mechanism (6) include lead screw (8), cup joint piece (9), first spring (10), block piece (11) and ratchet (12), lead screw (8) are rotatory to be located on fixed frame (1), cup joint piece (9) are cup jointed through the screw thread and are located on lead screw (8), be equipped with slider (13) on cup joint piece (9), be equipped with spout (14) on fixed frame (1), slider (13) slide and locate in spout (14), be equipped with the cavity in cup joint piece (9), the cavity is located in first spring (10), block piece (11) are located on first spring (10) and are slided and locate in the cavity, ratchet (12) cup joint and are located on pivot (2), block piece (11) and ratchet (12) block are connected.

3. A self-closing safety door according to claim 2, wherein: the impact buffer mechanism (7) comprises a second spring (15) and a buffer plate (16), the second spring (15) is arranged on the safety door body (5), and the buffer plate (16) is arranged on the second spring (15).

4. A self-closing safety door according to claim 3 wherein: there will be double-end motor (17) on fixed frame (1), the one end of lead screw (8) is located on the output shaft of double-end motor (17).

5. A self-closing security door according to claim 4 wherein: the buffer plate (16) is provided with a buffer pad (18).

6. A self-closing safety door according to claim 5, wherein: two groups of rotation limiting mechanisms (6) are symmetrically arranged.

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