CN214532427U

CN214532427U - Pin rod self-locking mechanism and pin lock

Info

Publication number: CN214532427U
Application number: CN202023208358.3U
Authority: CN
Inventors: 杜浩
Original assignee: Yinke Gate Control Zhuhai Free Trade Zone Co ltd
Current assignee: Yinke Gate Control Zhuhai Free Trade Zone Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-29
Anticipated expiration: 2030-12-28

Abstract

The utility model aims at providing a can realize pin rod self-locking mechanism and round pin lock of automatic door locking function, only need the staff to push away and can leave after opening the door when using, the door body can realize closing the door automatically and locking, has saved the action of staff rotatory door handle or lock subassembly once more. The utility model discloses a pin rod, cover are established the spring bolt of pin rod upper end, the top of spring bolt sets up to inclined plane and cover and establishes location shell on the spring bolt, be equipped with spacing ring and the spring that the slant cover was established on the pin rod, the upper end of spacing ring with the bottom of spring bolt contacts the lower extreme of spacing ring with spring looks butt.

Description

Pin rod self-locking mechanism and pin lock

Technical Field

The utility model relates to a building door and window field especially relates to a round pin pole self-locking mechanism and round pin lock.

Background

At present, the entrance and exit doors of a plurality of shopping malls, office buildings or residential buildings are all provided with vertical hinged doors, and most of the doors are double-opening doors. In order to rapidly evacuate crowds in case of emergency, the side hung door can enable large-flow crowds to pass through in a short time when being completely opened. However, under normal conditions, in order to prevent strong wind from entering the room, the vertical hinged door does not need to be completely opened, one of the two double-opening doors is required to be used as a normal-open door, and the normal-open door is opened when needed.

Chinese patent CN211229921U discloses and provides a bolt lock and door leaf of linkage from top to bottom, it can pull open last bolt and lower bolt simultaneously fast to realize opening the door fast, convenient operation, it is laborsaving, though this patent technique has realized opening fast of the door body, still need to rotate the door handle when closing the door, push the door into the door frame and aim at upper and lower bolt then accomplish the action of closing the door, so then lead to the operation more loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

For solving one of the technical problem that exists among the prior art, the utility model provides a simple structure, convenient to use can realize automatic lock door function's round pin pole self-locking mechanism and round pin lock.

The utility model discloses the technical scheme that pin rod self-locking mechanism adopted is: the pin rod self-locking mechanism comprises a pin rod, a spring bolt sleeved on the pin rod, a positioning shell sleeved on the spring bolt, a limiting ring and a spring, wherein the limiting ring and the spring are arranged in the positioning shell and are positioned below the spring bolt, the spring bolt can be movably arranged in the positioning shell up and down, the top of the spring bolt is arranged to be an inclined plane, the limiting ring is used for clamping the pin rod in an inclined mode under the action of spring elasticity, when the door is closed, the inclined plane of the spring bolt is pressed downwards under stress to enable the limiting ring to be gradually parallel and then the locking state of the pin rod is released, so that the reset spring at the lower end of the pin rod releases the elastic force, and the pin rod is upwards ejected out of the spring bolt and a doorframe to realize self-locking.

Furthermore, the top of spring bolt is provided with the backstop and protrudingly, the top of location shell is provided with the spacing groove, the backstop is protruding with spacing groove looks adaptation.

Furthermore, the two corresponding sides of the positioning shell are provided with short clamping grooves and long clamping grooves which are staggered in height, the two sides of the limiting ring are provided with limiting blocks which are positioned in the short clamping grooves and the long clamping grooves, and the limiting ring is inclined under the action of the springs under the limitation of the short clamping grooves and the long clamping grooves.

Furthermore, a limiting pawl protruding outwards is arranged on the side face of the lock tongue, the limiting pawl is arranged in the long clamping groove in a matched mode and presses the limiting block, and the upper end of the limiting pawl is in contact with the positioning shell.

Furthermore, the positioning shell is also provided with a yielding groove for the limiting ring to be arranged in.

The utility model discloses the technical scheme that the round pin lock adopted is: the round pin is locked contains foretell round pin pole self-locking mechanism, the round pin is locked still includes lock body and slidable mounting and goes up bolt subassembly and lower bolt subassembly in the lock body, pull rod and driving lever are installed to the lock body internal rotation, the both ends of driving lever are rotated respectively and are connected bolt subassembly and lower bolt subassembly, the pull rod is direct or indirect to rotate and connect or the butt go up bolt subassembly, driving lever or bolt subassembly down, work as when the pull rod rotates along the first direction, can drive bolt subassembly lapse, can make simultaneously bolt subassembly lapse down, still be provided with the reset piece that is used for restoring to the throne and goes up bolt subassembly and bolt subassembly down in the lock.

The utility model has the advantages that: the pin rod self-locking mechanism of the utility model comprises a pin rod, a spring bolt sleeved on the pin rod, a positioning shell sleeved on the spring bolt, a limiting ring and a spring which are arranged in the positioning shell and are positioned below the spring bolt, the lock tongue can be movably arranged in the positioning shell up and down, the top of the lock tongue is provided with an inclined plane, the limit ring slantways clamps the pin rod under the action of the elastic force of the spring, when the door is closed, the inclined plane of the lock tongue is pressed downwards under the stress to ensure that the limit ring is gradually parallel and then the locking state of the pin rod is released, thereby the reset spring at the lower end of the pin rod releases the elastic force, the pin rod is pushed out of the lock tongue and the door frame to realize self-locking, the pin rod moves upwards and is inserted into the door frame or the wall body, when the door is used, the door can be separated after being pushed by hands, the door body can be automatically closed and locked, and the action that the hands rotate the door handle or the door lock assembly again is omitted.

Drawings

FIG. 1 is a schematic perspective view of a latch according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a pin self-locking mechanism in an embodiment of the present invention;

fig. 3 is an exploded view of a pin self-locking mechanism in an embodiment of the present invention;

fig. 4 is a sectional view of the pin self-locking mechanism according to the embodiment of the present invention.

Detailed Description

As shown in fig. 1, the utility model discloses a round pin lock, the major structure of this round pin lock is as the patent in the background art, this round pin lock mainly includes lock body and slidable mounting last bolt subassembly and lower bolt subassembly in the lock body, pull rod and driving lever are installed to the lock body internal rotation, the both ends of driving lever are rotated respectively and are connected bolt subassembly and lower bolt subassembly, pin subassembly, driving lever or lower bolt subassembly on the pull rod direct or indirect rotation connection or butt, work as when the pull rod rotates along first direction, can drive bolt subassembly lapse, can make bolt subassembly lapse down simultaneously, still be provided with the reset spring who is used for restoring to the throne to go up bolt subassembly and bolt subassembly down in the lock body. The difference is that the pin lock in the application is additionally provided with a pin rod self-locking mechanism on the basis of the prior art, and the applicant further improves and optimizes the technical scheme;

the specific improvement scheme is as follows: as shown in fig. 2, 3 and 4, in this embodiment, the pin rod self-locking mechanism includes a pin rod 1, a bolt 2 sleeved on the pin rod 1, a positioning shell 3 sleeved on the bolt 2, and a position-limiting ring 4 and a spring 5 which are arranged in the positioning shell 3 and located below the bolt 2, the bolt 2 is movably arranged in the positioning shell 3 up and down, the top of the bolt 2 is arranged as an inclined surface, the position-limiting ring 4 is inclined and clamped on the pin rod 1 under the action of the spring 5, when the door is closed, the inclined surface of the bolt 2 is pressed by a force to make the position-limiting ring 4 gradually parallel and then release the locking state of the pin rod 1, so that the return spring at the lower end of the pin rod 1 releases the elastic force, and the pin rod 1 is ejected out of the bolt 2 upward to realize self-locking with the door frame; when the door lock is opened, the lock tongue 2 is separated from the limit of the door frame along with the movement of the door body, the lock tongue 2 moves upwards through the thrust of the spring 5, the limit ring 4 is in an inclined state, the lock tongue 2 pops out of the positioning shell 3 and moves to the upper part of the pin rod 1 to keep locking and limiting the pin rod 1, the pin rod 1 moves downwards and extrudes the reset spring, and finally the lock tongue is separated from the door frame or a wall body to complete the door opening action. When the door lock is used, the user can leave the door after pushing the door, the door body can be automatically closed and locked, the action that the user rotates the door handle or the door lock assembly again is omitted, and convenience and experience of the user are further improved.

In this embodiment, the top of the lock tongue 2 is provided with a stop protrusion 6, the top of the positioning shell 3 is provided with a limit groove 7, the stop protrusion 6 is matched with the limit groove 7, and the limit groove 7 and the stop protrusion 6 enable the lock tongue 2 to move in the positioning shell 3 only along an upper and a lower track.

Short clamping grooves 31 and long clamping grooves 32 which are staggered in height are formed in two corresponding sides of the positioning shell 3, limiting blocks 41 which are located in the short clamping grooves 31 and the long clamping grooves 32 are arranged on two sides of the limiting ring 4, the limiting ring 4 is arranged in an inclined mode under the limiting effect of the springs 5 under the limiting effect of the short clamping grooves 31 and the long clamping grooves 32, when the door body is in a closed locking state, the limiting ring 4 and the springs 5 are pushed to move downwards by utilizing the extrusion force exerted by a door frame on the lock tongue 2, the lock tongue 2 moves into the positioning shell 3, and the limiting ring 4 is in a horizontal state; when the door lock is opened, the lock tongue 2 is separated from the limit of the door frame along with the movement of the door body, and the limit ring 4 is in an inclined state by the upward movement of the thrust of the spring 5, namely, the limit blocks 41 on the two sides are at different heights, so that the limit ring 4 is in an inclined state, and the pin rod 1 is locked by the inner edge position of the limit ring 4.

In addition, the side surface of the lock tongue 2 is provided with a limiting pawl 8 protruding outwards, the limiting pawl 8 is arranged in the long clamping groove 32 in a matching way and presses the limiting block 41, the upper end of the limit pawl 8 is in contact with the positioning shell 3, the limit pawl 8 is used for limiting the bolt 2 to move only in the positioning shell 3 on one hand, without coming out of the positioning shell 3, on the other hand, for contacting the stop collar 4, and, in addition, for the structural simplicity of the stop collar 4, the positioning shell 3 is also provided with a yielding groove 33 for the limiting ring 4 to be arranged in, and the yielding groove 33 is intersected with the long clamping groove 32, so that the limiting ring 4 can be directly and integrally arranged, without complicating the structure of the stop collar 4, for example by screwing a small projection on both sides after the collar is inserted.

The utility model is suitable for a door lock technical field.

Claims

1. The utility model provides a pin rod self-locking mechanism which characterized in that: the pin rod self-locking mechanism comprises a pin rod (1), a lock tongue (2) sleeved on the pin rod (1), a positioning shell (3) sleeved on the lock tongue (2), a limiting ring (4) and a spring (5) which are arranged in the positioning shell (3) and positioned below the lock tongue (2), the lock tongue (2) is movably arranged in the positioning shell (3) up and down, the top of the lock tongue (2) is arranged to be an inclined plane, the limit ring (4) is inclined under the action of the elastic force of the spring (5) to clamp the pin rod (1), when the door is closed, the inclined plane of the lock tongue (2) is pressed downwards under stress to ensure that the limit ring (4) is gradually parallel and then the locking state of the pin rod (1) is released, thereby, the return spring at the lower end of the pin rod (1) releases the elastic force, and the pin rod (1) is ejected out of the lock tongue (2) and the door frame to realize self-locking.

2. The pin rod self-locking mechanism of claim 1, wherein: the top of spring bolt (2) is provided with backstop protrudingly (6), the top of location shell (3) is provided with spacing groove (7), backstop protrudingly (6) with spacing groove (7) looks adaptation.

3. The pin rod self-locking mechanism of claim 1, wherein: short clamping grooves (31) and long clamping grooves (32) which are staggered in height are formed in two corresponding sides of the positioning shell (3), limiting blocks (41) which are located in the short clamping grooves (31) and the long clamping grooves (32) are arranged on two sides of the limiting ring (4), and the limiting ring (4) is limited by the short clamping grooves (31) and the long clamping grooves (32) and is arranged in an inclined mode under the action of the springs (5).

4. The pin rod self-locking mechanism of claim 3, wherein: the side of the lock tongue (2) is provided with a limiting pawl (8) protruding outwards, the limiting pawl (8) is arranged in the long clamping groove (32) in a matched mode and presses the limiting block (41), and the upper end of the limiting pawl (8) is in contact with the positioning shell (3).

5. The pin rod self-locking mechanism of claim 3, wherein: the positioning shell (3) is further provided with a yielding groove (33) for the limiting ring (4) to be installed.

6. A pin lock comprising the pin self-locking mechanism of claim 1, wherein: the round pin is locked including lock body and slidable mounting last bolt subassembly and lower bolt subassembly in the lock body, pull rod and driving lever are installed to the lock body internal rotation, the both ends of driving lever are rotated respectively and are connected bolt subassembly and lower bolt subassembly, the pull rod directly or indirectly rotates bolt subassembly, driving lever or lower bolt subassembly on connection or butt, works as when the pull rod rotates along the first direction, can drive bolt subassembly lapse, can make bolt subassembly lapse down simultaneously, still be provided with the piece that resets that is used for resetting last bolt subassembly and lower bolt subassembly in the lock body.