Restriction choke rubber sleeve deliquescent agent dropping device
A technology of dispensing device and dissolving agent, which is applied in the direction of mining fluid, wellbore/well parts, earthwork drilling and mining, etc. It can solve problems such as breaking, fishing failure, and high friction between the well wall and the rubber tube, so as to avoid waste, Convenient construction and efficient dissolution effect
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[0008] Examples:
[0009] Reference figure 1 To further illustrate the embodiments of the present invention:
[0010] This device includes the main connector 1, the axial sealing ring 2, the sealing rubber ring 3, the nut 4, the spring 5, the cylinder 6, the sealing ring 7, the pin 8 and the bottom cover 9;
[0011] The upper end of the connector 1 is connected with a steel wire, and the lower end is externally threaded to the cylinder 6 and is sealed by an axial sealing ring 2. The cylinder wall of the cylinder 6 is provided with an injection wire hole which is connected to the nut 4 and is sealed by the sealing rubber ring 3. The inner wall of the bottom end of the cylinder 6 is connected to the bottom cover 9 by a step. The pin 8 is fixed and sealed by a sealing ring 7. The cylinder 6 is provided with a spring 5, the upper end of the spring 5 is connected to the bottom surface of the connector 1, and the lower end is connected to the bottom cover 9.
[0012] The working process ...
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