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Bolt device capable of being locked and contracted

A bolt and telescopic box technology is applied in the field of lockable and retractable bolt devices, which can solve the problems of high cost, damage, complex structure, etc., and achieve the effects of convenient installation and operation, meeting market demands, and being beneficial to aesthetics.

Active Publication Date: 2021-06-29
JIANGXI RASSON BILLIARDS MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Latch is a widely used locking device, and is also widely used in the field of folding tables and chairs, especially in folding table tennis tables. Most of the existing latch devices for folding table tennis tables have complicated structures and are not easy to install and unfold. Operation, unable to achieve synchronization, resulting in damage, high cost, and unfavorable to aesthetics, unable to meet market demand

Method used

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  • Bolt device capable of being locked and contracted
  • Bolt device capable of being locked and contracted
  • Bolt device capable of being locked and contracted

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Embodiment Construction

[0023] The invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0024] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, a lockable and retractable latch device includes a telescopic box body 1, which is respectively connected to the first pull rod 2, the second pull rod 3 and the third pull rod 4 of the telescopic box body 1, and the first pull rod 2 Connected to the telescopic box body 1 through the first connecting rod 6, the second pull rod 3 and the third pull rod 4 are respectively connected to the telescopic box body 1 through the second connecting rod 5, and the telescopic box body 1 includes respectively The first accommodating groove 10, the second accommodating groove 11, the third accommodating groove 9, and the upper box body 101 and the lower box body 101, which are fixedly connected up and down, are used for the first connecting rod...

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Abstract

The invention relates to the technical field of bolt devices, in particular to a lockable retractable bolt device which comprises a retractable box body, a first pull rod, a second pull rod and a third pull rod, the first pull rod is connected to the retractable box body through a first connecting rod, and the second pull rod and the third pull rod are connected to the retractable box body through second connecting rods. The telescopic box body comprises a first containing groove, a second containing groove, a third containing groove, an upper box body and a lower box body, the first containing groove, the second containing groove and the third containing groove are used for limiting installation of the first connecting rod and the two second connecting rods respectively, and the upper box body and the lower box body are fixedly connected in an up-down corresponding mode. The lower box body is fixedly provided with positioning rods which are arranged on the two sides of the first containing groove in a mirroring manner; the positioning rods are movably connected with rotating pieces arranged in a mirror image mode respectively, ends of the rotating pieces are connected to the first connecting rod in a clamped mode respectively, the other ends of the rotating pieces are connected to the second connecting rods located on the two sides of the first connecting rod in a clamped mode respectively, and the first connecting rod is further sleeved with a spring. And the market requirements can be met.

Description

technical field [0001] The invention relates to the technical field of latch devices, in particular to a lockable and retractable latch device. Background technique [0002] Latch is a widely used locking device, and is also widely used in the field of folding tables and chairs, especially in folding table tennis tables. Most of the existing latch devices for folding table tennis tables have complex structures and are not easy to install and unfold. The operation cannot be synchronized, resulting in damage, which requires high costs, is not conducive to aesthetics, and cannot meet market demand. Contents of the invention [0003] In order to overcome the above-mentioned technical defects, the purpose of the present invention is to provide a lockable and shrinkable lockable and shrinkable device that is simple in structure, easy to install and operate, can realize the synchronization of deployment, ensure its safe use, is low in cost, is good for appearance, and can meet ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47B13/00A47B25/00A47B3/00
CPCA47B13/00A47B25/003A47B3/00A47B2003/0835A47B3/0818A47B3/083A47B3/002A47C4/00F16B12/40
Inventor 宋进
Owner JIANGXI RASSON BILLIARDS MFG CO LTD
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