一种用于牛舍栅栏门的锁扣装置

The locking device, consisting of a chain and a chain hanger, solves the problem of easily damaged locks on cattle shed gates, achieving both sturdiness and convenience, and reducing maintenance costs.

CN224514956UActive Publication Date: 2026-07-17GUANGDONG YANTANG DAIRY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG YANTANG DAIRY
Filing Date
2025-08-08
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The locks on the existing cattle shed fence gates are prone to damage, resulting in high maintenance costs.

Method used

A locking device consisting of a chain and a chain hanger is used to restrict the movement of the iron ring through a chain storage groove, thereby locking the gate and avoiding the need for locks.

Benefits of technology

The system improves the security and ease of use of the gate's latches, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型公开了一种用于牛舍栅栏门的锁扣装置,包括链条和至少一个链条挂板;链条挂板竖立设置,链条挂板设有链条收纳槽;链条收纳槽沿水平方向贯穿链条挂板的板面,链条收纳槽的上端贯穿链条挂板的顶面并形成槽口;链条包括多个铁环,多个铁环首尾套接;链条挂板用于固定安装于栅栏门;槽口用于置放链条的一端;链条收纳槽用于收纳链条中的一铁环,并用于限制铁环沿水平方向穿过链条收纳槽。不需要使用锁具,可降低维修成本。
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Claims

1. A locking device for a cattle shed gate, characterized in that, Includes a chain and at least one chain plate; The chain hanger is erected vertically and has a chain storage groove. The chain storage groove extends horizontally through the surface of the chain hanger and its upper end extends through the top surface of the chain hanger to form an opening. The chain includes multiple iron rings, which are connected end to end; The chain mounting plate is used for fixed installation on the fence gate; the slot is used to place one end of the chain; the chain storage slot is used to store an iron ring in the chain and to restrict the iron ring from passing through the chain storage slot in the horizontal direction.

2. A latch arrangement for a barn gate according to claim 1, characterised in that, The chain storage groove includes a longitudinal extension section and a transverse extension section; The upper end of the longitudinal extension section is connected to the slot, the lower end of the longitudinal extension section extends obliquely downward and connects to the middle of the transverse extension section, and the transverse extension section extends in the horizontal direction. The lateral extension is used to accommodate and restrain one of the iron rings in the chain.

3. A latch arrangement for a barn gate according to claim 2, characterised in that, The slot is a V-shaped opening that is wider at the top and narrower at the bottom; The width of the top opening of the groove is greater than the width of the iron ring.

4. The latch assembly for a barn gate according to claim 2, wherein, The distance between the two walls of the chain storage groove is greater than the thickness of the iron ring and less than the width of the iron ring.

5. The locking device for a cattle shed gate according to claim 1, characterized in that, The bottom surface and at least one side surface of the chain hanger are used for welding to the fence gate.

6. The latch assembly for a barn gate according to claim 4, wherein, The iron ring has two arc-shaped segments; The two arc-shaped segments protrude outwards from both ends of the iron ring, respectively; The iron rings are respectively connected to two adjacent iron rings through two arc segments, and the two adjacent iron rings are perpendicular to each other.

7. A latch arrangement for a barn gate according to claim 6, characterised in that, Along the length of the chain, the iron ring can swing around the corresponding arc segment at an angle of 30°-120°.