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.
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
The locks on the existing cattle shed fence gates are prone to damage, resulting in high maintenance costs.
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.
The system improves the security and ease of use of the gate's latches, and reduces maintenance costs.
Smart Images

Figure CN224514956U_ABST
Abstract
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°.