一种具有缓冲功能的大推力电动缸

By introducing a buffer assembly and a protective housing into the high-thrust electric cylinder, the problem of easy damage to the piston rod is solved, achieving effective buffering and convenient maintenance.

CN224520856UActive Publication Date: 2026-07-17DONGGUAN KELETUO AUTOMATION TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN KELETUO AUTOMATION TECHNOLOGY CO LTD
Filing Date
2025-08-19
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing high-thrust electric cylinders lack buffering capabilities, making the piston rod susceptible to damage due to the inertia of heavier objects.

Method used

An electric cylinder comprising an electric cylinder body and a buffer assembly is designed. The buffer assembly consists of a first fixed plate at the top of the piston rod, a limiting rod, a spring, a second fixed plate, a telescopic rod, and a spring, providing a dual buffering effect, and is equipped with front and rear protective shells to protect the electric cylinder body.

Benefits of technology

It effectively cushions heavier objects, protects the piston rod, extends the service life of the electric cylinder, and its detachable design facilitates repair and maintenance.

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Abstract

本实用新型公开了一种具有缓冲功能的大推力电动缸,本实用新型包括电动缸主体和缓冲组件,电动缸主体上设置有活塞杆,缓冲组件包括设置在活塞杆顶端的第一固定板、开设在第一固定板上的限位孔、贯穿限位孔的限位杆、套接在限位杆上的第一弹簧、设置在限位杆顶端的第二固定板、开设在第二固定板上的圆孔、贯穿圆孔上的伸缩杆和套接在伸缩杆上的第二弹簧。在本实用新型中,设置的第二弹簧使得伸缩杆具有一定的缓冲效果,可缓冲较重的物体,而设置的若干个第一弹簧使得第二固定板具有一定的缓冲效果,可进一步地缓冲较重的物体,双重缓冲效果俱佳,而设置的螺母可旋转,旋转后可脱离限位杆,脱离后可直接分离限位杆和第一固定板,以便更换维修。
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Claims

1. A high-thrust electric cylinder with a buffer function, characterized in that, include: An electric cylinder body (100) is provided with a piston rod (110); The buffer assembly (400) includes a first fixing plate (410) disposed at the top end of the piston rod (110), a limiting hole (411) opened on the first fixing plate (410), a limiting rod (430) passing through the limiting hole (411), a first spring (440) sleeved on the limiting rod (430), a second fixing plate (420) disposed at the top end of the limiting rod (430), a circular hole (421) opened on the second fixing plate (420), a telescopic rod (470) passing through the circular hole (421), and a second spring (480) sleeved on the telescopic rod (470).

2. The large thrust electric cylinder having a buffering function according to claim 1, characterized in that, A first gasket (120) is provided on the lower rear side of the electric cylinder body (100), and a second gasket (130) is provided on the upper rear side of the electric cylinder body (100). Mounting holes are provided on both the first gasket (120) and the second gasket (130).

3. The large thrust electric cylinder having a buffering function according to claim 1, characterized in that, It also includes a front protective shell (200) and a rear protective shell (300), which are fixedly connected by screws.

4. The large thrust electric cylinder having a buffering function according to claim 3, characterized by, The front protective shell (200) and the rear protective shell (300) are provided with heat dissipation holes (310) on their sides, and the front protective shell (200) and the rear protective shell (300) are both L-shaped.

5. The large thrust force electric cylinder having a buffering function according to claim 1, wherein The buffer assembly (400) further includes a buffer pad (450) sleeved on the limiting rod (430) and a nut (460) threadedly connected to the limiting rod (430). The buffer pad (450) and the adjacent nut (460) form a group, and several groups are arranged at equal intervals.

6. The large thrust force electric cylinder having a buffering function according to claim 1, wherein The top end of the first fixing plate (410) is provided with a groove (412).

7. The large thrust force electric cylinder having a buffering function according to claim 1, wherein The limiting rod (430) and the adjacent first spring (440) form a group, and several groups are arranged at equal intervals.

8. A high-thrust electric cylinder with a buffer function according to claim 1, characterized in that, The bottom end of the telescopic rod (470) is provided with a stop (471).