Assembly indicators and quick connects
A quick connection and indicator technology, applied in the direction of couplings, mechanical equipment, etc., can solve the problems of hidden safety hazards, locking strength and reliability decline of pipeline connections, and prevent improper insertion or accidental loosening, operation, etc. Easy, widely applicable effects
Active Publication Date: 2022-03-29
A RAYMOND & CO
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Problems solved by technology
[0004] In practical applications, it was further found that although the quick connector used to assemble the male joint with the annular groove can be made more miniaturized, compared with the male joint with the annular stopper protrusion, the male joint with the annular groove The opening depth of the annular groove on the connector is smaller than the radial extension length of the annular stopper protrusion on the male joint, which leads to a decrease in locking strength and reliability when the annular groove engages with the locking element on the quick connector. Thereby bringing great hidden danger to the safety of pipeline connection
Method used
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[0042] The implementation and use of the embodiments will be discussed in detail below in conjunction with the accompanying drawings. It should be understood, however, that the specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention. The expression of the structural position of each component such as up, down, top, bottom, etc. in the description is not absolute but relative. These directional expressions are appropriate when the various components are arranged as shown in the drawings, but when the positions of the various components in the drawings are changed, these directional expressions are also changed accordingly.
[0043]According to the idea of the present invention, an assembly indicator is designed in order to ensure the reliable connection between the opposite insertion tube and the quick connection device in a compact assembly space, and to give the operator a clear indic...
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The invention provides an assembly indicator and a quick connection device. The assembly indicator is axially sleeved on the butt end of the sleeve part of the quick-connect device for insertion of the opposite plug-in tube, the sleeve part is provided with a locking ring, and the assembly indicator includes an indicator body with a through hole and a slave indicator body. At least one interference foot extending from the device body, the interference foot extends around the through hole toward the inside of the butt end of the socket part; the position of the interference foot inside the socket part is configured so that when the locking ring is When the insertion is deformed, the interference foot and the locking ring form an axial interference. When the locking ring is restored to its natural state due to the insertion of the opposite plug in place, the interference foot moves axially to the butt end until the interference foot and the locking ring radial interference. The assembly indicator of the present invention provides an intuitive indication of the connection state between the opposing plug-in tube and the quick-connect device, and simultaneously prevents accidental unlocking of the opposing plug-in tube.
Description
technical field [0001] The present invention relates generally to the field of quick connectors. More specifically, it relates to an assembly indicator for a quick connection device and a quick connection device having the same. Background technique [0002] Detachable quick connectors that connect one fluid line / equipment to another fluid line / equipment are widely used in the automotive industry, typically to connect one fluid line (e.g. Pipeline connection, or quick connection of one plug-in part to another plug-in part. [0003] Various forms of quick connectors exist in the prior art. Document CN1916474A discloses a connector well known in the art, which is used to assemble an insert or a male joint with an annular stopper protrusion. In order to accommodate such male fittings with enlarged outer diameters, the quick connectors are correspondingly provided with larger dimensions. With the development of technology, the expectation for the miniaturization of joints is...
Claims
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IPC IPC(8): F16L37/084
CPCF16L37/084
Inventor 阙峰
Owner A RAYMOND & CO