CN205976829U

CN205976829U - Guard bar door individual malposed tooth constructs

Info

Publication number: CN205976829U
Application number: CN201620924233.5U
Authority: CN
Inventors: 张功义
Original assignee: WUXI KETONG ENGINEERING MACHINERY MANUFACTURING Co Ltd
Current assignee: WUXI KETONG ENGINEERING MACHINERY MANUFACTURING Co Ltd
Priority date: 2016-08-24
Filing date: 2016-08-24
Publication date: 2017-02-22
Anticipated expiration: 2026-08-24

Abstract

The utility model relates to a lift platform tool to lock technical field specifically is a guard bar door individual malposed tooth constructs, and it can conveniently realize opening and closing of guard bar door, guarantee to use safe and reliable in the time of simple structure, and it includes the lock fixing base, install the limiting plate through fixing bolt on the lock fixing base, it has the draw -in groove to open on the limiting plate, install the round pin axle in the draw -in groove, sell epaxial and install rotatable locking board and reduction torsion spring, locking board lower extreme is provided with the pothook, the terminal surface is the inclined plane under the pothook.

Description

Guardrail door latch structure

Technical field

This utility model is related to hoistable platform lock technology field, specially a kind of guardrail door latch structure.

Background technology

Hoistable platform is most important part in elevator, hoistable platform all can be installed outer guardrail and arrange guardrail Door, in order to ensure the safety of operator in lifting process it is necessary to lock divider gate, existing locking device structure is simple Poor reliability, and the often complex structure of some good reliabilitys, use cost is high.

Content of the invention

In order to solve the above problems, this utility model provides a kind of guardrail door latch structure, and it can conveniently realize shield The opening and closing of hurdle door, ensure safety and reliability while structure is simple.

Its technical scheme is such：A kind of guardrail door latch structure is it is characterised in that it includes door lock fixed seat, described In door lock fixed seat, limiting plate is provided with by fixing bolt, described limiting plate has draw-in groove, in described draw-in groove, pin is installed Axle, described bearing pin is provided with rotatable latch and reduction torsion spring, and described latch lower end is provided with grab, described grab Lower surface is inclined-plane.

It is further characterized by, and described latch is also equipped with L-shaped push and pull bar；

Described reduction torsion spring is both-end torsion spring, two pins of described both-end torsion spring be resisted against described latch, in indirectly Bar is resisted against described door lock fixed seat.

After structure of the present utility model, divider gate by grab lock ensure safety, and when needing to open it is only necessary to Promote latch to make divider gate disengage grab can open, divider gate resets in the presence of reduction torsion spring, and needs to close behaviour When making, divider gate can squeeze grab along the inclined-plane of grab lower end, and latch is subject to the effect of reduction torsion spring to reset makes grab lock Divider gate, ensure that safety and reliability while structure is simple；The setting of L-shaped push and pull bar make divider gate open and Shutoff operation is convenient, and the setting of both-end torsion spring further ensures integrally-built reliability.

Brief description

Fig. 1 is this utility model structural front view；

Fig. 2 is this utility model structure top view；

Fig. 3 is this utility model locking state left view.

Specific embodiment

See Fig. 1, shown in Fig. 2, Fig. 3, a kind of guardrail door latch structure, it includes door lock fixed seat 1, logical in door lock fixed seat 1 Cross fixing bolt 2 and limiting plate 3 is installed, limiting plate 3 has draw-in groove 4, bearing pin 5 is installed in draw-in groove 4, bearing pin 5 is provided with Rotatable latch 6 and reduction torsion spring 7, reduction torsion spring 7 is both-end torsion spring, and two pins 1 of both-end torsion spring are resisted against locking Plate 6, middle extension bar 7-2 are resisted against door lock fixed seat 1, and latch 6 lower end is provided with grab 8, and grab 8 lower surface is inclined-plane；Lock It is also equipped with L-shaped push and pull bar 9 on tight plate 6.In figure 10 is divider gate.

Claims

1. a kind of guardrail door latch structure, it is characterised in that it includes door lock fixed seat, described door lock fixed seat is passed through fixing spiral shell Bolt is provided with limiting plate, and described limiting plate has draw-in groove, is provided with bearing pin in described draw-in groove, described bearing pin is provided with and can turn Dynamic latch and reduction torsion spring, described latch lower end is provided with grab, and described grab lower surface is inclined-plane.

2. a kind of guardrail door latch structure according to claim 1 is it is characterised in that be also equipped with L-shaped on described latch Push and pull bar.

3. a kind of guardrail door latch structure according to claim 1 it is characterised in that described reduction torsion spring be both-end torsion spring, Two pins of described both-end torsion spring are resisted against described latch, middle extension bar is resisted against described door lock fixed seat.