CN221220077U - Double door leaf lockset - Google Patents

Abstract

The utility model discloses a double door leaf lockset which comprises a lockset main body and a rotary drive with an output shaft arranged vertically, wherein a lockset main body is respectively fixed between the top of each door leaf and a door frame; the lock body comprises a fixed seat, a push rod, a claw, a torsion spring and a lock rod. The advantages are that: simple structure, convenient to use, when the door leaf is closed, through the jack catch with the locking lever lock in the locked groove, can alleviate the rocking of door leaf, and then reduce the influence to the cylinder, guarantee the life of cylinder, but the life of extension air door.

Description

Double door leaf lockset

Technical field:

the utility model relates to the technical field of air doors, in particular to a double door leaf lockset.

The background technology is as follows:

On the premise of ensuring the stable operation of the mine ventilation system, in order to facilitate the passing of pedestrians, an air door is usually arranged in a main underground air inlet and return tunnel. The air door is usually of a double-door design, an air cylinder fixing seat is fixed on the door leaf, an air cylinder is hinged between the air cylinder fixing seat and the door frame, and the door leaf is opened through the air cylinder; when the door leaf is closed, the closed state is kept by the cooperation of the air cylinder and the air cylinder fixing seat, but because tunnel wind has certain pressure and unstable pressure, the wind pressure continuously acts on the door leaf, the door leaf can be caused to shake, the air cylinder acts on, and the service life of the air cylinder is reduced.

The utility model comprises the following steps:

the utility model aims to provide a double door leaf lock for a throttle.

The utility model is implemented by the following technical scheme: the double door leaf lockset comprises a lockset main body and a rotation drive with an output shaft arranged vertically, wherein one lockset main body is respectively fixed between the top of each door leaf and the door frame; the lock body comprises a fixing seat, a push rod, a claw, a torsion spring and a lock rod, wherein the fixing seat is horizontally fixed on the inner side of the door frame, and a locking groove is formed in the side edge, adjacent to the opening direction of the door leaf, of the fixing seat; the tail parts of the clamping claws are hinged with the fixing seat at the inner side of the locking groove through rotating shafts, torsion springs are fixed between the rotating shafts and the fixing seat, and the head parts of the clamping claws are movably arranged in the notch of the locking groove; the top of the inner side of the door leaf is fixedly provided with the lock rod, the lock rod is in sliding contact with the outer side of the head of the claw, and the lock rod is movably clamped in the lock groove; the middle part of jack catch is fixed with spacing post, push rod one end seted up with spacing post matched chute, two the other end of push rod respectively with rotary drive's output shaft's both sides are articulated.

Further, the claw is arranged below the fixing seat, the push rod is arranged above the fixing seat, a strip-shaped hole which is correspondingly arranged with the limit column is formed in the fixing seat, and the limit column is arranged in the strip-shaped hole in a sliding manner.

Further, the rotary driving comprises a rotary cylinder which is vertically arranged, the cylinder body of the rotary cylinder is fixedly connected with the door frame, a rotary table is fixed on an output shaft of the rotary cylinder, and the other end of the push rod is hinged with the rotary table.

Further, the hinge points at the other ends of the two push rods are centrosymmetric with respect to the output shaft of the rotary drive.

The utility model has the advantages that: simple structure, convenient to use, when the door leaf is closed, through the jack catch with the locking lever lock in the locked groove, can alleviate the rocking of door leaf, and then reduce the influence to the cylinder, guarantee the life of cylinder, but the life of extension air door.

Description of the drawings:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a top view of fig. 1.

The lock comprises a lock body 1, a fixed seat 11, a push rod 12, a claw 13, a torsion spring 14, a lock rod 15, a lock groove 16, a rotating shaft 17, a limit post 18, a sliding groove 19, a bar-shaped hole 120, a rotary drive 2, a rotary cylinder 21, a rotary table 22, a door leaf 3 and a door frame 4.

The specific embodiment is as follows:

In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

As shown in fig. 1 and 2, the double door leaf lock comprises a lock body 1 and a rotary drive 2 with an output shaft arranged vertically, wherein a lock body 1 is respectively fixed between the top of each door leaf 3 and a door frame 4; the lockset main body 1 comprises a fixed seat 11, a push rod 12, a claw 13, a torsion spring 14 and a lock rod 15, wherein the fixed seat 11 is horizontally fixed on the inner side of the door frame 4, and a locking groove 16 is formed on the side edge of the fixed seat 11 adjacent to the opening direction of the door leaf 3; the tail of the claw 13 is hinged with the fixed seat 11 at the inner side of the locking groove 16 through a rotating shaft 17, a torsion spring 14 is fixed between the rotating shaft 17 and the fixed seat 11, and the head of the claw 13 is movably arranged in the notch of the locking groove 16; the torsional spring 14 is clamped in the notch of the locking groove 16 under the natural state, and when the clamping jaw rotates outwards, the torsional spring stores force; a lock rod 15 is fixed at the top of the inner side of the door leaf 3, the lock rod 15 is in sliding contact with the outer side of the head of the claw 13, and the lock rod 15 is movably clamped in the lock groove 16; when the door leaf 3 is closed, the lock rod 15 at the top of the door leaf and the outer side of the head of the claw 13 are in sliding contact with the torsion spring 14 to store force, then the lock rod 15 slides into the lock groove 16, the claw 13 resets, and the lock rod 15 is locked in the lock groove 16;

A limiting column 18 is fixed in the middle of the claw 13, a chute 19 matched with the limiting column 18 is formed at one end of the push rod 12, the other ends of the two push rods 12 are respectively hinged with two sides of the output shaft of the rotary drive 2, and the hinge points at the other ends of the two push rods 12 are symmetrical about the center of the output shaft of the rotary drive 2; when the door leaf 3 needs to be opened, when the rotary drive is anticlockwise rotated, the two push rods 12 can be driven to outwards move, and then the clamping claws 13 are outwards pushed through the limiting posts 18, so that the heads of the clamping claws 13 are separated from the locking grooves 16, at the moment, the locking rod 15 can slide out of the locking grooves 16, and the door leaf 3 can be smoothly opened; the rotary drive 2 comprises a rotary cylinder 21 which is vertically arranged, the cylinder body of the rotary cylinder 21 is fixedly connected with the door frame 4, a rotary table 22 is fixed on the output shaft of the rotary cylinder 21, the other end of the push rod 12 is hinged with the rotary table 22, and the rotary cylinder 21 drives the rotary table 22 to rotate so as to control the movement of the push rod 12;

preferably, the claw 13 is arranged below the fixed seat 11, the push rod 12 is arranged above the fixed seat 11, a bar-shaped hole 120 which is arranged corresponding to the limit post 18 is arranged on the fixed seat 11, and the limit post 18 is arranged in the bar-shaped hole 120 in a sliding way; when the push rod 12 pushes the limit post 18 to rotate to open the clamping jaw 13, the limit post 18 can slide along the sliding groove 19.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (3)

1. The double door leaf lockset is characterized by comprising a lockset main body and a rotation drive with an output shaft arranged vertically, wherein the lockset main body is respectively fixed between the top of each door leaf and a door frame; the lock body comprises a fixing seat, a push rod, a claw, a torsion spring and a lock rod, wherein the fixing seat is horizontally fixed on the inner side of the door frame, and a locking groove is formed in the side edge, adjacent to the opening direction of the door leaf, of the fixing seat; the tail parts of the clamping claws are hinged with the fixing seat at the inner side of the locking groove through rotating shafts, torsion springs are fixed between the rotating shafts and the fixing seat, and the head parts of the clamping claws are movably arranged in the notch of the locking groove; the top of the inner side of the door leaf is fixedly provided with the lock rod, the lock rod is in sliding contact with the outer side of the head of the claw, and the lock rod is movably clamped in the lock groove; a limiting column is fixed in the middle of the clamping jaw, a sliding groove matched with the limiting column is formed in one end of the push rod, and the other ends of the two push rods are respectively hinged with two sides of the output shaft driven by rotation; the hinge point at the other end of the two push rods is centrosymmetric relative to the rotation driving output shaft.

2. The lock of claim 1, wherein the claw is disposed below the fixing seat, the push rod is disposed above the fixing seat, a bar-shaped hole corresponding to the limit post is formed in the fixing seat, and the limit post is slidably inserted into the bar-shaped hole.

3. The lock of two door leaves according to claim 1 or 2, wherein the rotary drive comprises a rotary cylinder arranged vertically, the cylinder body of the rotary cylinder is fixedly connected with the door frame, a rotary disc is fixed on an output shaft of the rotary cylinder, and the other end of the push rod is hinged with the rotary disc.