Pneumatic automatic glue valve and doser

By employing a metal-to-metal contact sealing structure with a clearance fit between the valve stem and the valve sleeve, along with a double sealing ring design, the problem of easy corrosion of the sealing ring is solved in the pneumatic automatic glue valve. This improves the sealing effect, reduces maintenance costs, and ensures the stable operation of the equipment.

CN224358772UActive Publication Date: 2026-06-16TECOS (JIANGSU) AUTOMATION TECH CO LTD
0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TECOS (JIANGSU) AUTOMATION TECH CO LTD
Filing Date
2025-07-02
Publication Date
2026-06-16

AI Technical Summary

⚠Technical Problem

The sealing rings of existing pneumatic automatic glue valves are susceptible to corrosion and damage, resulting in poor sealing performance, frequent and costly maintenance, and affecting the stability of equipment operation and production efficiency.

⚗Method used

The valve stem and valve sleeve are fitted with a metal-to-metal contact seal structure, combined with a double sealing ring design and lubrication channel, to ensure sealing performance and wear resistance and prevent rubber leakage.

🎯Benefits of technology

It extends the service life of equipment, reduces maintenance frequency and costs, and improves the stability and production efficiency of equipment operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The utility model relates to a kind of pneumatic automatic glue valve and the dosing machine comprising pneumatic automatic glue valve, the pneumatic automatic glue valve, including valve body, cylinder, needle valve assembly and valve seat, the inside of valve body is equipped with through rubber material passage, cylinder is set in the top of the valve body, needle valve assembly includes the valve stem slidable setting along axial direction and the valve sleeve fixedly installed in the valve body, valve stem upper end is connected with the piston rod of cylinder, lower end extends into rubber material passage, valve stem and valve sleeve are metal components, metal contact seal is formed by gap cooperation between the two, for preventing rubber material leakage. The valve seat is connected to the bottom of valve body, inside is equipped with conical hole, valve stem lower end is equipped with needle head part matched with conical hole. The utility model passes through metal contact seal structure, while ensuring the smooth sliding of valve stem, effectively prevents rubber material from seeping into sealing area, saves the use of sealing ring, avoids the failure caused by sealing failure, prolongs service life, reduces maintenance frequency and replacement cost.
Need to check novelty before this filing date? Find Prior Art