Compensation type self-sealing head
A compensating, floating head technology, applied in the field of pressure testing machines in glass bottles, can solve problems such as easy leakage between the bottle mouth and the test head, large data errors, and test failures, etc., to achieve ingenious structural design, ensure accuracy, and guarantee The effect of tightness
Active Publication Date: 2017-05-17
DONGGUAN CAM I AUTOMATION EQUIP TECH +1
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Problems solved by technology
[0003] And the principle of the pressure testing machine in the glass bottle that is usually used at present is: adopt compressed air or motor to drive the screw nut to push the pressure cylinder piston to increase the water pressure in the bottle to be tested. The bottle mouth and the test head are very easy to leak, resulting in unstable pressure, large data errors, and even test failure
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[0015] Examples, see Figure 1 to Figure 3 , a compensating self-sealing head provided in this embodiment, which includes a connecting head 1, a water injection head 2, a floating head 3, a lower limit flange 4, a sealing rubber pad 5 and a high-pressure test pipeline 6, and the water injection head 2 is equipped with There is a floating chamber, the floating head 3 is located in the floating chamber, and the upper part of the floating chamber forms a lower pressure chamber 21, the sealing rubber pad 5 is located on the bottom surface of the floating head 3, and the lower limit flange 4 is closed at the lower end of the floating chamber On the opening, there is a test port for the sample bottle 7 to extend into; the connector 1 is connected to the top of the water injection head 2, and one end of the high-pressure test pipeline 6 is located on the outer wall of the connector 1, and the other end is sequentially The diameter d1 of the lower pressure chamber 21 is larger than th...
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The invention discloses a compensation type self-sealing head. The compensation type self-sealing head comprises a connector, a water injection head, a floating head, a lower limiting flange, a sealing gasket and a high-pressure testing pipeline, wherein the water injection head is internally provided with a floating cavity; the floating head is located in the floating cavity, and a pressing-down cavity is formed in the upper part in the floating cavity; the sealing gasket is located on a bottom surface of the floating head; the lower limiting flange is sealed at a lower end opening of the floating cavity, and a testing opening into which a sample bottle stretches is formed; the connector is connected to the upper part of the water injection head; one end of the high-pressure testing pipeline is located on an outer side wall of the connector, and the other end of the high-pressure testing pipeline penetrates through the connector, the pressing-down cavity and the floating head in sequence; and the diameter of the pressing-down cavity is larger than that of the testing opening. The compensation type self-sealing head is ingenious and reasonable in structural design, and the sealing property of a bottleneck in a high-pressure state is effectively guaranteed, so that the tightness in a matching process is further improved and the testing accuracy is greatly improved; and furthermore, the compensation type self-sealing head has a simple structure, is easy to realize and simple and safe to operate, and can be widely popularized and applied.
Description
technical field [0001] The invention relates to the technical field of a glass bottle internal pressure tester, in particular to a compensating self-sealing head used in a glass bottle internal pressure tester. Background technique [0002] At present, beverages sold on the market, such as beer, cola, etc., are mostly packaged in glass bottles and cans. From the perspective of safety, glass bottles and cans need to have a certain performance of internal pressure resistance. Therefore, glass bottles and cans must be packaged before leaving the factory. Sampling test of internal pressure resistance is carried out, especially for beer bottles and beverage bottles, internal pressure resistance is an important technical index. [0003] And the principle of the pressure testing machine in the glass bottle that is usually used at present is: adopt compressed air or motor to drive the screw nut to push the pressure cylinder piston to increase the water pressure in the bottle to be t...
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IPC IPC(8): G01N3/02
CPCG01N3/02
Inventor 李祝斌白仲文
Owner DONGGUAN CAM I AUTOMATION EQUIP TECH