CN-115224556-B - Multistage rotation is to preventing slow-witted connector that inserts

Abstract

The invention discloses a multistage rotary opposite-plug fool-proof connector which comprises a plug and a socket, wherein the plug comprises an annular rotary shell and a first contact piece arranged in the annular rotary shell, a first annular plug-in cavity is formed between the annular rotary shell and the first contact piece, a plurality of vertical key position grooves and transverse key position grooves which are sequentially and alternately communicated from top to bottom are formed in the inner wall of the annular rotary shell, the socket comprises an annular shell and a second contact piece which is arranged in the annular shell and matched with the first contact piece, the annular shell is plugged in the first annular plug-in cavity, a plurality of plug-in keys which are distributed from top to bottom are sequentially arranged on the outer wall of the annular shell along the circumferential direction of the annular shell, and the plug-in keys are matched with the vertical key position grooves and the transverse key position grooves. The multistage rotary opposite-plug fool-proof connector provided by the invention can enable the plug to be plugged into the socket in a multistage rotary mode, is convenient to assemble, cannot be misplaced, and can play an effective fool-proof role.

Inventors

• ZHOU WENZHONG

Assignees

• 深圳市康奈特电子有限公司

Dates

Publication Date

20260512

Application Date

20220725

Claims (8)

1. 1. A multistage rotary butt-plug fool-proof connector, comprising The plug comprises an annular rotary shell and a first contact piece arranged in the annular rotary shell, a first annular inserting cavity is formed between the annular rotary shell and the first contact piece, and a plurality of vertical key position grooves and transverse key position grooves which are alternately communicated from top to bottom are formed in the inner wall of the annular rotary shell; The socket comprises an annular shell and a second contact piece which is arranged in the annular shell and matched with the first contact piece, the annular shell is inserted into the first annular insertion cavity, a plurality of insertion keys which are distributed from top to bottom are sequentially arranged on the outer wall of the annular shell along the circumferential direction of the annular shell, and the insertion keys are matched with the vertical key position grooves and the transverse key position grooves; The inner wall of the annular rotary shell is provided with a first vertical key position groove, a first transverse key position groove, a second vertical key position groove and a second transverse key position groove which are alternately communicated from top to bottom in sequence, and the outer wall of the annular shell is provided with a first inserting key, a second inserting key and a third inserting key which are distributed from top to bottom in sequence along the circumferential direction of the outer wall of the annular shell; The projection arc length of the first inserting key and the second inserting key at the bottom of the annular shell is equal to the arc length of the first transverse key position groove and smaller than the arc length of the second transverse key position groove, the projection arc length of the second inserting key and the third inserting key at the bottom of the annular shell is equal to the arc length of the first transverse key position groove, the vertical distance between the top end of the first inserting key and the top end of the second inserting key is not larger than the height of the first vertical key position groove, the vertical distance between the top end of the second inserting key and the top end of the third inserting key is not larger than the height of the first vertical key position groove, the vertical distance between the top end of the first inserting key and the bottom end of the second inserting key is larger than the height of the second transverse key position groove, the heights of the first inserting key and the second inserting key are not larger than the height of the first transverse key position groove, and the first inserting key and the second inserting key are not larger than the vertical key position groove; the plug further comprises a plug shell, the upper end of the plug shell is arranged in the annular rotary shell, the first contact piece is a contact plug cylinder, the second contact piece is a contact plug pin, the plug shell is provided with a first hollow cavity body which is vertically communicated, and the contact plug cylinder is arranged in the first hollow cavity body.
2. 2. The multi-stage rotary counter-insert fool-proof connector of claim 1, wherein a height of the third insert key is less than a height of the first vertical key position slot and greater than a height of the second lateral key position slot, and a width of the third insert key is less than an arc length of the first vertical key position slot.
3. 3. The multi-stage rotary counter-insert fool-proof connector of claim 1, wherein the annular housing and the contact pin form a second annular insert cavity, and an upper end of the plug housing is inserted into the second annular insert cavity.
4. 4. The multistage rotary opposite-plug fool-proof connector according to claim 1, wherein a circle of rotary shell limiting groove is formed in the middle outer wall of the plug shell, the edge of the bottom inner wall of the annular rotary shell is sleeved in the rotary shell limiting groove, the annular rotary shell can rotate along the central axis of the plug shell and move up and down along the rotary shell limiting groove, and a spring gasket is arranged between the edge of the bottom inner wall of the annular rotary shell and the upper inner wall of the rotary shell limiting groove.
5. 5. The multistage rotary butt plug fool-proof connector according to claim 1, wherein a first fixing cover for fixing the contact plug is provided at a lower end bottom of the first hollow cavity.
6. 6. The multi-stage rotary opposite-plug fool-proof connector according to claim 5, wherein first clamping blocks are arranged on two sides of the outer wall of the first fixed cover, and first clamping grooves which are clamped with the first clamping blocks are arranged on two sides of the inner wall of the bottom of the lower end of the first hollow cavity.
7. 7. The multi-stage rotary counter-plug fool-proof connector of claim 1, wherein the socket further comprises a socket housing, the socket housing is disposed at the bottom of the annular housing, the socket housing is provided with a second hollow cavity penetrating up and down, and the upper end of the second contact member extends into the annular housing through the second hollow cavity.
8. 8. The multi-stage rotary counter-plug fool-proof connector of claim 7, further comprising a socket base, the socket being secured to the socket base by the socket housing.

Description

Multistage rotation is to preventing slow-witted connector that inserts Technical Field The invention relates to the technical field of connectors, in particular to a multistage rotary opposite-plug fool-proof connector. Background A connector is a piece that is often contacted by electronic engineering technicians. The circuit has very simple function, and a bridge for communication is erected between the blocked or isolated circuits in the circuit, so that current flows, and the circuit realizes the preset function. Connectors are an indispensable component in electronic devices, and connector forms and structures are diversified, and there are various types of connectors according to application objects, frequencies, power, application environments, and the like. At present, most of connectors on the market adopt a plug pin multi-key position foolproof, the plug pin multi-key position foolproof is unfavorable for staff assembly, the plug pin is easy to misplace, and the plug pin is distinguished by different colors, so that the quantity is required to be increased in material category. The above disadvantages are to be improved. Disclosure of Invention In order to overcome the defects of the prior art, the invention provides a multistage rotary opposite-plug fool-proof connector. The technical scheme of the invention is as follows: A multistage rotary opposite-plug fool-proof connector comprises The plug comprises an annular rotary shell and a first contact piece arranged in the annular rotary shell, a first annular inserting cavity is formed between the annular rotary shell and the first contact piece, and a plurality of vertical key position grooves and transverse key position grooves which are alternately communicated from top to bottom are formed in the inner wall of the annular rotary shell; the socket comprises an annular shell and a second contact piece which is arranged inside the annular shell and matched with the first contact piece, the annular shell is inserted into the first annular insertion cavity, a plurality of insertion keys which are distributed downwards from top to bottom are sequentially arranged on the outer wall of the annular shell along the circumferential direction of the annular shell, and the insertion keys are matched with the vertical key position grooves and the transverse key position grooves. According to the invention of the scheme, the inner wall of the annular rotary shell is provided with a first vertical key position groove, a first transverse key position groove, a second vertical key position groove and a second transverse key position groove which are alternately communicated in turn from top to bottom, and the outer wall of the annular shell is provided with a first inserting key, a second inserting key and a third inserting key which are distributed from top to bottom in turn along the circumferential direction of the annular shell; The projection arc length of the first inserting key and the second inserting key at the bottom of the annular shell is equal to the arc length of the first transverse key position groove and smaller than the arc length of the second transverse key position groove, the projection arc length of the second inserting key and the third inserting key at the bottom of the annular shell is equal to the arc length of the first transverse key position groove, the vertical distance between the top end of the first inserting key and the top end of the second inserting key is not larger than the height of the first vertical key position groove, the vertical distance between the top end of the second inserting key and the top end of the third inserting key is not larger than the height of the first vertical key position groove, the vertical distance between the top end of the first inserting key and the bottom end of the second inserting key is larger than the height of the second transverse key position groove, and the vertical distance between the top end of the first inserting key and the bottom end of the second inserting key is not larger than the height of the first transverse key position groove. Further, the height of the third insertion key is smaller than the height of the first vertical key position groove and larger than the height of the second horizontal key position groove, and the width of the third insertion key is smaller than the arc length of the first vertical key position groove. Further, the first insertion key, the second insertion key and the third insertion key are all elongated. Furthermore, guide inclined planes are arranged on two sides of the top ends of the first insertion key, the second insertion key and the third insertion key. According to the invention of the scheme, the plug further comprises a plug shell, the upper end of the plug shell is arranged in the annular rotary shell, the first contact piece is a contact plug cylinder, the second contact piece is a contact plug pin, the plug shell is provided with a