Self-adaptive filling head structure of leak-proof pneumatic filling machine

By incorporating an adaptive structure with a support cover and sealing beads inside the filling head of the pneumatic filling machine, the problem of dripping caused by insufficient sealing performance is solved, achieving an anti-drip effect and improving assembly efficiency and maintenance convenience.

CN224146249UActive Publication Date: 2026-04-21FUJIAN FENGSHENG SHUIQI BEE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN FENGSHENG SHUIQI BEE IND CO LTD
Filing Date
2025-04-29
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The filling head structure of existing pneumatic filling machines has poor sealing performance, resulting in frequent dripping, which affects product quality and increases cleaning and maintenance costs.

Method used

An adaptive filling head structure for an anti-drip pneumatic filling machine was designed. By setting a support cover and a sealing bead inside the filling end, the elasticity of the compression spring is used to seal the filling channel opening with the sealing bead. Threaded grooves are designed on the outer wall of the filling end to facilitate the splicing of various components, thereby improving assembly efficiency and facilitating maintenance.

Benefits of technology

It effectively prevents product leakage, improves assembly efficiency, facilitates parts replacement and maintenance, and reduces cleaning and maintenance costs.

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Abstract

The utility model relates to the technical field of filling equipment, and discloses a self-adaptive filling head structure of a drip-proof pneumatic filling machine, which comprises a filling end head, the lower end of the middle part of the filling end head is in threaded connection with a filling pipe, and the upper end of the inner side wall of the filling pipe is provided with a plugging assembly; and the plugging assembly comprises a supporting cover, the supporting cover is fixedly connected to the upper end of the inner side wall of the filling pipe, and a pressure spring is fixedly connected to the top end of the supporting cover. According to the utility model, the supporting cover is arranged in the filling pipe, and the upper end of the supporting cover is connected with the supporting cup filled with the sealing bead through the pressure spring. The lower end of the supporting cup is connected with a positioning column which penetrates through the middle of the supporting cover. And by utilizing the elasticity of the pressure spring, the sealing bead can block the filling channel opening in the filling end head, so that the product is effectively prevented from leaking. Along with the increase of the amount of liquid in the filling end, the sealing bead moves downwards under the gravity action of the liquid, so that the sealing bead is separated from the filling channel opening, and the liquid is allowed to flow into the filling pipe.
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