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CN-224228427-U - Guardrail switch lock

CN224228427UCN 224228427 UCN224228427 UCN 224228427UCN-224228427-U

Abstract

The utility model discloses a guardrail switch lock, which comprises a lock body and a third lock piece, wherein one end of the lock body is connected with a tail fixing block, the bottom is connected with a bottom fixing block, the other end of the lock body is provided with a lock head, a switch lock component which is matched with the lock head for locking is arranged in the lock body, the third lock piece is arranged at the bottom of a second lock piece, the first observation area and the second observation area which are arranged on the third lock piece are respectively red and green, and the colors of the first observation area and the second observation area are respectively matched with an observation window on the lock body, so that the unlocking state is clear at a glance, a user can intuitively judge whether the lock is in a correct locking state or an unlocking state, the first lock piece and the second lock piece are driven by a push block to be matched with a locking groove in the lock head, a first firm locking line is formed, and the first lock piece and the second lock piece bear the connecting force between the lock body and the lock head together under the locking state, so that the stress is more uniform, and the guardrail lock is provided with double guarantees through the double locking design.

Inventors

  • LIANG RONGHUA

Assignees

  • 中山升嘉利五金制品有限公司

Dates

Publication Date
20260512
Application Date
20250403

Claims (7)

  1. 1. A guardrail switch lock, comprising: The novel lock comprises a lock body (1), wherein one end of the lock body (1) is connected with a tail fixing block (2), the bottom is connected with a bottom fixing block (3), the other end of the lock body (1) is provided with a lock head (4), a switch lock assembly which is matched and locked with the lock head (4) is arranged in the lock body (1), and a pushing block (5) pushing the switch lock assembly drives a first lock piece (6) to move so that a second lock piece (7) is driven to move when the first lock piece (6) moves; The third locking piece (8), second locking piece (7) bottom is located to third locking piece (8) for when second locking piece (7) drive third locking piece (8) remove, suggestion unlocking condition.
  2. 2. The guardrail switch lock of claim 1, wherein the switch lock assembly comprises a spring (9), the first lock (6), the second lock (7) and the third lock (8) are all connected in the lock body (1) in a sliding mode, the push block (5) is connected to the surface of the lock body (1) in a sliding mode, the bottom of the push block (5) is connected with the first lock (6), and the bottoms of the first lock (6), the second lock (7) and the third lock (8) are all connected with a fixing buckle (10).
  3. 3. The guardrail switch lock according to claim 2, wherein the tops of the second lock piece (7) and the third lock piece (8) are respectively provided with a fixing groove (11), a fixing buckle (10) at the bottom of the first lock piece (6) is inserted into the fixing groove (11) at the top of the second lock piece (7), the fixing buckle (10) at the bottom of the second lock piece (7) is inserted into the fixing groove (11) at the top of the third lock piece (8), and the fixing buckle (10) at the bottom of the third lock piece (8) is in sliding connection with a sliding groove arranged in the lock body (1).
  4. 4. The guardrail switch lock according to claim 2, wherein the springs (9) are provided with three groups, one ends of the three groups of springs (9) are respectively connected with the first lock piece (6), the second lock piece (7) and the third lock piece (8), the other ends of the three groups of springs are connected with the lock body (1), two groups of lock grooves (18) are formed in the lock head (4), and one ends of the first lock piece (6) and the second lock piece (7) are respectively inserted into the two groups of lock grooves (18).
  5. 5. The guardrail switch lock of claim 1, wherein a first observation area (12) and a second observation area (13) are arranged on the surface of the third lock piece (8), and an observation window (14) is arranged on the surface of the lock body (1).
  6. 6. The guardrail switch lock of claim 1, wherein a first limit hook (15) is arranged at one end of the bottom of the lock body (1), and a second limit hook (16) is arranged at one end of the bottom of the lock head (4).
  7. 7. A guardrail switch lock as claimed in claim 1, wherein the surfaces of the lock body (1) and the lock head (4) are provided with a plurality of threaded holes (17).

Description

Guardrail switch lock Technical Field The utility model belongs to the technical field of switch locks, and particularly relates to a guardrail switch lock. Background The child door rail and the fence are all protective rails for protecting the child, the movable range of the child is limited in a safety area after the fence is locked, and the protective rails are widely applied to the protective rails formed by surrounding the bedside, the room door frame or the ground. Currently, the child guardrail locks generally adopt a single locking mechanism, such as a simple latch type or hook type structure, and the locks can meet basic protection requirements to a certain extent, but in actual use, various potential safety hazards still exist, on one hand, the single locking structure is relatively simple, children can easily open the locks by imitating actions of adults or accidental touch, so that the guardrails lose protection, the risk of injury of falling down of the children or entering dangerous areas is increased, on the other hand, the single locks are easy to loosen and abrade locking parts due to actions of frequent climbing, shaking of the guardrails and the like of the children in the long-term use process, and the reliability of the locks is reduced. Disclosure of utility model The utility model aims to provide a guardrail switch lock so as to solve the problems in the background art. In order to achieve the purpose, the utility model provides the following technical scheme that the guardrail switch lock comprises: The lock comprises a lock body, wherein one end of the lock body is connected with a tail fixing block, the bottom of the lock body is connected with a bottom fixing block, the other end of the lock body is provided with a lock head, a switch lock assembly which is matched and locked with the lock head is arranged in the lock body, and a pushing block pushing the switch lock assembly drives a first lock piece to move so that a second lock piece is driven to move when the first lock piece moves; And the third locking piece is arranged at the bottom of the second locking piece and used for prompting an unlocking state when the second locking piece drives the third locking piece to move. Preferably, the switch lock assembly comprises a spring, the first lock piece, the second lock piece and the third lock piece are all in sliding connection in the lock body, the push block is in sliding connection on the surface of the lock body and the bottom of the push block is connected with the first lock piece, and the bottoms of the first lock piece, the second lock piece and the third lock piece are all connected with a fixing buckle. Preferably, the fixing grooves are formed in the tops of the second locking piece and the third locking piece, the fixing buckle at the bottom of the first locking piece is inserted into the fixing groove in the top of the second locking piece, the fixing buckle at the bottom of the second locking piece is inserted into the fixing groove in the top of the third locking piece, and the fixing buckle at the bottom of the third locking piece is in sliding connection with the sliding groove in the lock body. Preferably, the spring is equipped with three groups, and the one end of three group's spring is connected with first latch fitting, second latch fitting, third latch fitting respectively, and the other end is connected with the lock body, be equipped with two sets of locked grooves in the tapered end and the one end of first latch fitting and second latch fitting inserts respectively in two sets of locked grooves. Preferably, the surface of the third lock piece is provided with a first observation area and a second observation area, and the surface of the lock piece is provided with an observation window. Preferably, a first limit hook is arranged at one end of the bottom of the lock body, and a second limit hook is arranged at one end of the bottom of the lock head. Preferably, the surfaces of the lock body and the lock head are provided with a plurality of threaded holes. Compared with the prior art, the utility model has the beneficial effects that: (1) The first locking piece and the second locking piece are driven by the push block to be matched with the locking groove in the lock head, so that a first firm locking line is formed, and in a locking state, the first locking piece and the second locking piece bear the connecting force between the lock body and the lock head together, so that the stress is more uniform, and the guardrail lock is provided with double guarantee through double lock design, so that a reliable safety barrier is provided for the guardrail. (2) The user only needs to promote the ejector pad, can realize opening and closing of tool to lock through link gear, and easy operation is convenient, and the colour of the first observation area that sets up on the third locking member and second observation area is red and green respectively, cooperat