Electric push rod
A technology of electric push rods and screw rods, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of small push rods with small working strokes, large electric push rods, and inconvenient practical applications, etc. Load capacity and effect of improving control accuracy
Pending Publication Date: 2021-12-07
湖北文理学院理工学院
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0002] In small mechanical products, it is often necessary to use a structure with reciprocating motion such as a push rod. The traditional electric push rod has a large volume, and the small push rod has a small working stroke, which is inconvenient in practical applications.
Method used
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Embodiment Construction
[0011] The electric push rod of the present invention will be further described below with reference to the accompanying drawings.
[0012] Figure 1 to Figure 4 Shown: the outer shell 2 is set on the base 1, the top of the inner base 1 has a stepping motor 8, the output shaft of the stepping motor 8 is fixed in the planetary reducer 9, and there is a stop ring 4 behind the stepping motor 8, and the stop ring 4 When the inner spring pin 7 is ejected, it can be inserted into the screw rod 6 to lock the screw rod 6 to rotate. When working, the shell 2 reciprocates along the guide post 3 on the base 1, and the Figure 4 The hollow hole in the middle base 1 supplies power to the inner stepping motor 8 and the spring pin 7 . The rotating shaft of the stepping motor 8 is connected in the planetary reducer 9, the planetary carrier 10 of the planetary reducer 9 is fixed on the base 1, the rotation of the outer casing 2 of the planetary reducer 9 drives the rotation of the screw 6, a...
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The invention relates to an electric push rod which is a reciprocating motion structure used in a mechanical product, and solves the problem that the working stroke of an existing small-size electric push rod is short. The electric push rod mainly comprises a base, a shell with threads on the inner wall, a check ring, a stepping motor, a planetary reducer, a screw rod and a sealing ring. The electric push rod is characterized in that a stepping motor is fixed at the top end of the base, the check ring is arranged at the lower end of the stepping motor, and a spring pin is arranged in the check ring; an output shaft of the stepping motor is fixedly connected with the planetary reducer, the planetary reducer is fixed in the lead screw, and the stepping motor drives the lead screw to rotate and pushes the shell to move through the planetary reducer during working; and when the stepping motor reversely rotates, the direction of the shell is reverse, so that the size is reduced and a larger working stroke is reserved.
Description
technical field [0001] The invention relates to a mechanical structure, in particular to an electric push rod with reciprocating motion capability. Background technique [0002] In small mechanical products, structures with reciprocating motion functions such as push rods are often used. The traditional electric push rods are large in size and small in working strokes, which have many inconveniences in practical applications. In order to reduce the volume and retain a large working stroke, we designed an electric actuator with a self-locking structure. SUMMARY OF THE INVENTION [0003] Aiming at the deficiencies of the existing electric push rod, the present invention provides an electric push rod which can obtain a larger working stroke while reducing the volume. [0004] The technical scheme adopted by the present invention is as follows: the stepping motor is fixed on the base inside the push rod, a stop ring behind the stepping motor is fixed on the base, and there ar...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02K7/06H02K7/10F16H37/12F16H57/023F16H57/08
CPCH02K7/06H02K7/10F16H37/124F16H57/023F16H57/082
Inventor 夏庆国刘呈呈钱晨阳梅小云刘若坚褚立忠张素香
Owner 湖北文理学院理工学院