Valve assembly

By employing a pivotable lever linear motion and spring-guided design in the valve assembly, the problems of insufficient separation force and inconvenient replacement in the prior art are solved, realizing the transmission of large separation force and safe and reliable nozzle component replacement.

CN116018213BActive Publication Date: 2026-05-26FOCKE & CO (GMBH & CO KG)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FOCKE & CO (GMBH & CO KG)
Filing Date
2021-07-02
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

When using hot melt adhesive, the existing valve assembly has insufficient lever separation force transmission and the fixing screw is close to the hot lever, posing a risk of burns. In addition, the nozzle component is inconvenient to replace.

Method used

A pivotable lever is used to apply separation force during the linear motion phase, and the pivoting motion is guided by a spring plate. The clamping and pushing surfaces of the lever and nozzle components are designed to achieve large separation force transmission and long-distance operation. The nozzle components are designed to be detachable.

Benefits of technology

It achieves the transmission of large separation force, reduces the risk of burns, improves the convenience and safety of nozzle component replacement, and adapts to material expansion changes.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN116018213B_ABST
    Figure CN116018213B_ABST
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Abstract

The present invention relates to a valve assembly for applying a flowable medium, particularly a hot melt adhesive, to a substrate, comprising a valve base (13) having at least one media channel for the flowable medium that can be closed by a movable closing mechanism, wherein at least one nozzle component (11) of the valve assembly having a nozzle opening is connected to the media channel, the nozzle component being detachably fixed to the valve base (13) and capable of dispensing a portion of the flowable medium onto the substrate through the nozzle component, wherein, for detachably fixing the nozzle component (11) to the valve base (13), the valve assembly has, in particular, a pivotable lever (23) fixed to the valve base (13), particularly a fixing device fixed to the valve base (13). The lever allows the nozzle component (11) to be pressed against the valve base (13) under a clamping force in a fixed position. The pivotable lever (23) can move from the fixed position to a release position, in which no clamping force is applied and the nozzle component (11) can be removed from the valve base (13). The fixing device, especially the pivotable lever (23) and the nozzle component (11), are configured and cooperate with each other such that the pivotable lever (23) applies a separation force away from the valve base (13) to the nozzle component (11) during the movement from the fixed position to the release position, thereby assisting in the separation of the nozzle component (11) from the valve base (13). The invention is characterized in that the lever (23) can move linearly during the first phase of its movement from the fixed position to the release position and simultaneously apply a separation force to the nozzle component (11), especially to the push-opening surface of the nozzle component (11), and drive the nozzle component (11) to move.
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