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Door handle safety lock

A safety lock and door handle technology, applied in the field of safety locks, can solve the problems of high cost, complex structure, too many parts, etc., and achieve the effect of low cost, simple assembly process and high reliability

Pending Publication Date: 2019-06-25
宁波菲比儿童防护用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the door locks on the market are centrifugally opened in one direction, and the door can be opened by turning the handle of the door lock, which is convenient to use, but for young children at home, there are potential dangers. Its curiosity about the world is getting stronger and stronger. In life, children often open the door to leave the sight of adults. In order to prevent children from opening the door of the house and the entrance door without authorization, they need to use door handle locks for protection. Most of the existing child door locks on the market have the problems of complex structure, too many parts and high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Embodiment 1: The present invention is a door handle safety lock, comprising:

[0059] Button 1, the outer wall of one end of the button 1 is provided with retaining ribs 11, the retaining ribs 11 are arranged along the length direction of the button 1, the number of the retaining ribs 11 is multiple, and the cooperation of multiple retaining ribs 11 makes locking It is stronger and can improve the locking effect.

[0060] Base 2, the base 2 can be fixed on the door body by screws, preferably, the bottom of the base 2 is provided with stickers 24, and the base 2 is fixed on the door body by stickers 24, which can avoid damaging the door body , to facilitate the fixing of the present invention. The top of the base 2 is provided with an insertion portion 21, and an integrated structure is adopted between the insertion portion 21 and the base 2. The insertion portion 21 is provided with a first mounting hole 22 adapted to the button 1, and a second mounting hole 22 is pro...

Embodiment 2

[0071] Embodiment 2: Except for the number of plug-in parts 21, this embodiment is the same as Embodiment 1. In order to be suitable for a door lock that is opened bidirectionally and centrifugally, the number of said plug-in parts 21 is two, and each plug-in part 21 The limit support arm 3 and the button 1 are installed on the top, one of the limit support arms 3 is located on the upper side of the door lock handle 5, and the other is located on the lower side of the door lock handle 5, which can prevent the door lock handle 5 from rotating and can lock the two-way Door lock that opens centrifugally.

Embodiment 3

[0072]Embodiment 3: On the basis of Embodiment 1, the ribs 11 are divided into two types of ribs with different sizes. The ribs 11 include a first rib 111 and several second ribs 112. The width of a retaining rib 111 is greater than the width of the second retaining rib 112, the quantity of the first chute 23 and the quantity of the second chute 33 are all the same as the quantity of the retaining rib 11, and several of the first chute 23 There are three third sliding grooves 231 adapted to the first retaining rib 111, the distance between adjacent third sliding grooves 231 corresponds to a quarter of the circumference of the first mounting hole 22, several of the The second chute 33 includes a fourth chute 331 that is compatible with the first rib 111. Only when the first rib 111 enters the fourth chute 331 and one of the third chute 231 at the same time, the safety The lock is in the locked state and can only be positioned at 90 degrees. This design purpose is to prevent the...

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Abstract

The invention discloses a door handle safety lock, and mainly relates to the technical field of safety locks. The door handle safety lock comprises a button, a base, a limiting supporting arm and a spring, wherein stopping ribs are arranged on the outer wall of one end of the button; an inserting part is arranged on the top part of the base; a first mounting hole which fits the button is formed inthe inserting part; a first chute is formed in the inner wall of the first mounting hole; an inserting groove which fits the inserting part is formed in one end, close to the base, of the limiting supporting arm; a second mounting hole which fits the button is formed in the outer wall of one end, close to the base, of the limiting supporting arm; a second chute is formed in the inner wall of thesecond mounting hole; and the spring is mounted between the button and the bottom of the second mounting hole. The door handle safety lock has the beneficial effects that a door lock handle can be locked; children can be prevented from opening a room door and an access door, so that potential risk can be reduced; and the door handle safety lock has the characteristics of being low in cost, simplein assembling technology, high in reliability, quick to mount, and convenient to use.

Description

technical field [0001] The invention relates to the technical field of safety locks, in particular to a door handle safety lock. Background technique [0002] At present, most of the door locks on the market are centrifugally opened in one direction, and the door can be opened by turning the handle of the door lock, which is convenient to use, but for young children at home, there are potential dangers. Its curiosity about the world is getting stronger and stronger. In life, children often open the door to leave the sight of adults. In order to prevent children from opening the door of the house and the entrance door without authorization, they need to use door handle locks for protection. Most of the existing child door locks on the market have the problems of complex structure, too many parts and high cost. Contents of the invention [0003] The purpose of the present invention is to solve the problems existing in the prior art, to provide a door handle safety lock with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B13/00E05B3/00
CPCE05B13/002
Inventor 徐健董力王新军
Owner 宁波菲比儿童防护用品有限公司
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