CN111430987A - Mistake cartridge prevention device with switchable key positions - Google Patents
Mistake cartridge prevention device with switchable key positions Download PDFInfo
- Publication number
- CN111430987A CN111430987A CN202010377159.0A CN202010377159A CN111430987A CN 111430987 A CN111430987 A CN 111430987A CN 202010377159 A CN202010377159 A CN 202010377159A CN 111430987 A CN111430987 A CN 111430987A
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- China
- Prior art keywords
- key
- shell
- hole
- pin
- hexagonal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Abstract
The invention discloses a misplug prevention device with switchable key positions, which comprises a plug shell, a socket shell, a spring, a nut, key position holes and key position pins, wherein the plug shell is provided with a plug hole; the invention adopts the key seats respectively arranged at the two sides of the plug shell and the socket shell, the key holes and the key pins are arranged in pairs, the key seats at the two sides of the plug shell and the socket shell are respectively arranged in pairs, and by adjusting the relative identification positions of the key holes and the key pins in the first hexagonal counter bores and the second hexagonal counter bores, various plugging key positions can be simply and quickly called out, so as to realize the misplug-proof connection of the connectors of contacts with different specifications of the same shell. The invention ensures the correct matching of the connectors of the contacts with different specifications under the same shell, avoids the problem of misplug, reduces the manufacturing cost of the connector, and has the advantages of simple structure, strong universality and quick and simple adjustment.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a misplug prevention device with switchable key positions, which is used for a connector with multiple specifications of contact elements under the same type of shell.
Background
The misplug-proof key position is a structure design commonly used in the field of connectors for preventing the wrong butt joint of connectors with the same shell and different cores or different functions of the same core. The structure generally adopts connector shells matched with keys at different angles to realize few types of misplug-proof keys, namely, the structure is unchangeable by adopting a special shell before leaving factories. This configuration therefore requires a large number of custom-made parts which are costly and unchangeable once produced, resulting in poor flexibility and a high mis-keying repetition rate. The typical case is that the anti-misplug structure of five keys and three keys on various circular connector heads and socket shells, and the groove anti-misplug structure on the locking claw of the rectangular shell, the realization of the anti-misplug function is realized by anti-misplug parts with customized sizes and angles, and the types of different anti-misplug key positions are limited.
Disclosure of Invention
The invention aims to provide a misplug prevention device with switchable key positions, which aims at overcoming the defects of the prior art. The invention ensures the correct matching of the connectors of the contacts with different specifications under the same shell, avoids the problem of misplug, reduces the manufacturing cost of the connector, and has the advantages of simple structure, strong universality and quick and simple adjustment.
The specific technical scheme for realizing the purpose of the invention is as follows:
a misplug prevention device with switchable key positions is characterized by comprising a plug shell, a socket shell, a spring, a nut, key position holes and key position pins;
the plug comprises a plug shell and is characterized in that two sides of the plug shell are respectively provided with a first key seat, the first key seat is sequentially provided with a first hexagonal counter bore and a first shaft hole along the axial direction, and a first step is arranged between the first shaft hole and the first hexagonal counter bore;
the key hole is a shaft part with a pin hole and a first outer hexagon at one end and an external thread at the other end, and a key groove communicated with the outer wall is formed in the pin hole;
the end, provided with the external thread, of the key hole is arranged in a first shaft hole of the plug shell, a first outer hexagonal hole of the key hole is meshed with a first hexagonal counter bore of the plug shell, and a nut is arranged in the first shaft hole and meshed with the external thread of the key hole;
the spring is wound on the key hole, one end of the spring is contacted with the first step of the plug shell, and the other end of the spring is contacted with the screw cap;
two sides of the socket shell are respectively provided with a second key seat corresponding to the plug shell, the second key seat is sequentially provided with a second hexagonal counter bore and a second shaft hole along the axial direction, and a second step is arranged between the second shaft hole and the second hexagonal counter bore;
the key position pin is a shaft part with one end provided with a pin shaft and a second outer hexagon and the other end provided with an external thread, and the pin shaft is provided with a flat key;
the end, provided with the external thread, of the key pin is arranged in a second shaft hole of the socket shell, a second outer hexagon of the key pin is meshed with a second hexagonal counter bore of the socket shell, and a nut is arranged in the second shaft hole and meshed with the external thread of the key pin;
the spring is wound on the key position pin, one end of the spring is contacted with the second step of the socket shell, and the other end of the spring is contacted with the screw cap;
the plug shell is inserted with the socket shell, key holes of the plug shell are inserted with key pins of the socket shell, and pin holes and key grooves of the key holes are inserted with pin shafts and flat keys of the key pins.
And A, B, C, D, E, F marks are respectively marked on six corners of the first hexagonal counter bore.
And A, B, C, D, E, F marks are respectively marked on six corners of the second hexagonal counter bore.
The invention adopts the key seats respectively arranged at the two sides of the plug shell and the socket shell, the key holes and the key pins are arranged in pairs, the key seats at the two sides of the plug shell and the socket shell are respectively arranged in pairs, and by adjusting the relative identification positions of the key holes and the key pins in the first hexagonal counter bores and the second hexagonal counter bores, various plugging key positions can be simply and quickly called out, so as to realize the misplug-proof connection of the connectors of contacts with different specifications of the same shell. The invention ensures the correct matching of the connectors of the contacts with different specifications under the same shell, avoids the problem of misplug, reduces the manufacturing cost of the connector, and has the advantages of simple structure, strong universality and quick and simple adjustment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B of FIG. 1;
FIG. 4 is a schematic view of the key holes;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view of a key pin;
FIG. 7 is a top view of FIG. 6;
fig. 8 is a partially enlarged view of the direction C of fig. 1.
Fig. 9 is a partial enlarged view of fig. 1 from direction D.
Detailed Description
Referring to the body 1, fig. 2 and fig. 3, the invention comprises a plug shell 1, a socket shell 2, a spring 3, a nut 4, key holes 5 and key pins 6;
referring to the body 1 and fig. 2, two sides of the plug housing 1 are respectively provided with a first key seat, the first key seat is sequentially provided with a first hexagonal counterbore 11 and a first shaft hole 12 along the axial direction, and a first step 13 is arranged between the first shaft hole 12 and the first hexagonal counterbore 11;
referring to fig. 1, 2, 4 and 5, the key hole 5 is a shaft with a pin hole 51 and a first hexagonal socket 52 at one end and an external thread at the other end, and the pin hole 51 is provided with a key slot 511 penetrating through the outer wall;
one end of the key hole 5 provided with the external thread is arranged in the first shaft hole 12 of the plug shell 1, the first hexagonal socket 52 of the key hole 5 is meshed with the first hexagonal counter bore 11 of the plug shell 1, and the nut 4 is arranged in the first shaft hole 12 and meshed with the external thread of the key hole 5;
the spring 3 is wound on the key hole 5, one end of the spring is contacted with the first step 13 of the plug shell 1, and the other end of the spring is contacted with the screw cap 4;
referring to the body 1 and fig. 3, two sides of the socket housing 2 are respectively provided with a second key seat corresponding to the plug housing 1, the second key seat is sequentially provided with a second hexagonal counterbore 21 and a second shaft hole 22 along the axial direction, and a second step 23 is arranged between the second shaft hole 22 and the second hexagonal counterbore 21.
Referring to fig. 1, 3, 6, and 7, the key pin 6 is a shaft having a pin shaft 61 and a second hexagonal pin 62 at one end and an external thread at the other end, and the pin shaft 61 is provided with a flat key 611;
one end of the key position pin 6 provided with the external thread is arranged in the second shaft hole 22 of the socket shell 2, the second hexagonal socket 62 of the key position pin 6 is meshed with the second hexagonal counter bore 21 of the socket shell 2, and the screw cap 4 is arranged in the second shaft hole 22 and meshed with the external thread of the key position pin 6;
the spring 3 is wound on the key position pin 6, one end of the spring is contacted with the second step 23 of the socket shell 2, and the other end of the spring is contacted with the screw cap 4;
referring to fig. 1, 2, 3, 8 and 9, the plug housing 1 is inserted into the socket housing 2, the key holes 5 of the plug housing 1 are inserted into the key pins 6 of the socket housing 2, and the pin holes 51 and the key slots 511 of the key holes 5 are inserted into the pin shafts 61 and the flat keys 611 of the key pins 6.
Six corners of the first hexagonal counterbore 11 are respectively marked with A, B, C, D, E, F marks.
And A, B, C, D, E, F marks are respectively marked on six corners of the second hexagonal counter bore 21.
Examples
Referring to the body 1, fig. 2 and fig. 3, the connector for multiple specifications of contacts under the same type of shell of the invention can simply and quickly call out multiple plugging key positions by adjusting the relative identification positions of the key hole 5 and the key pin 6 in the first hexagonal counterbore 11 and the second hexagonal counterbore 21, so as to realize the misplug-proof connection of the connectors for contacts of different specifications of the same type of shell. The invention ensures the correct matching of the connectors of the contact elements with different specifications under the same shell, avoids the problem of misplugging and reduces the manufacturing cost of the connectors.
The invention works as follows:
referring to fig. 1, 2, 3, 8 and 9, the present invention has the first key seats on two sides of the plug housing 1, the second key seats on two sides of the socket housing 2, the key holes 5 and the key pins 6 in pairs, and the key seats on two sides of the plug housing 1 and the socket housing 2 in pairs.
When in use, the first hexagonal outside 52 and the second hexagonal outside 62 of the key hole 5 and the key pin 6 on one side are respectively aligned with the mark A of the first hexagonal counterbore 11 of the plug housing 1 and the mark A of the second hexagonal counterbore 21 of the socket housing 2;
similarly, the first hexagonal socket 52 and the second hexagonal socket 62 of the key hole 5 and the key pin 6 on the other side are respectively aligned with the B marks of the first hexagonal counterbore 11 of the plug housing 1 and the second hexagonal counterbore 21 of the socket housing 2;
the plug-in labels of the set of plug housing 1 and socket housing 2 are "AB".
By analogy, other various different splicing key positions can be simply and quickly called out.
Referring to fig. 1, 2, 4 and 5, the key hole 5 of the present invention is adjusted as follows, when adjusting, only the nut 4 disposed on the key hole 5 is applied with force, the spring 3 is pressed to separate the first hexagonal socket 52 of the key hole 5 from the first hexagonal counterbore 11 of the plug housing 1, the key hole 5 is rotated by the nut 4, the corresponding mark of the first hexagonal socket 52 and the first hexagonal socket 11 of the plug housing 1 is reselected, then the nut 4 is released, and the key hole is reset under the action of the spring 3.
The adjustment of the key position pin 6 and the adjustment method of the box body are not described again.
Referring to fig. 1, 8 and 9, the six corners of the hexagon are respectively marked with A, B, C, D, E, F marks, and key seats are respectively arranged on the two sides of the plug shell 1 and the socket shell 2, so that the connector can meet 36 types of plug-in key positions under the same shell. The present invention is not limited to designs that employ more than hexagons.
Claims (3)
1. A misplug prevention device with switchable key positions is characterized by comprising a plug shell (1), a socket shell (2), a spring (3), a screw cap (4), key position holes (5) and key position pins (6);
two sides of the plug shell (1) are respectively provided with a first key seat, the first key seats are sequentially provided with a first hexagonal counter bore (11) and a first shaft hole (12) along the axial direction, and a first step (13) is arranged between the first shaft hole (12) and the first hexagonal counter bore (11);
the key hole (5) is a shaft part with a pin hole (51) and a first outer hexagon (52) at one end and an external thread at the other end, and a key groove (511) communicated with the outer wall is arranged on the pin hole (51);
one end of the key hole (5) provided with the external thread is arranged in a first shaft hole (12) of the plug shell (1), a first outer hexagonal hole (52) of the key hole (5) is meshed with a first hexagonal counter bore (11) of the plug shell (1), and a nut (4) is arranged in the first shaft hole (12) and meshed with the external thread of the key hole (5);
the spring (3) is wound on the key hole (5), one end of the spring is contacted with the first step (13) of the plug shell (1), and the other end of the spring is contacted with the screw cap (4);
two sides of the socket shell (2) are respectively provided with a second key seat corresponding to the plug shell (1), the second key seat is sequentially provided with a second hexagonal counter bore (21) and a second shaft hole (22) along the axial direction, and a second step (23) is arranged between the second shaft hole (22) and the second hexagonal counter bore (21);
the key position pin (6) is a shaft part with one end provided with a pin shaft (61) and a second outer hexagon (62) and the other end provided with an external thread, and the pin shaft (61) is provided with a flat key (611);
one end, provided with an external thread, of the key position pin (6) is arranged in a second shaft hole (22) of the socket shell (2), a second hexagonal hole (62) of the key position pin (6) is meshed with a second hexagonal counter bore (21) of the socket shell (2), and a nut (4) is arranged in the second shaft hole (22) and meshed with the external thread of the key position pin (6);
the spring (3) is wound on the key position pin (6), one end of the spring is contacted with the second step (23) of the socket shell (2), and the other end of the spring is contacted with the screw cap (4);
the plug shell (1) is inserted with the socket shell (2), the key hole (5) of the plug shell (1) is inserted with the key pin (6) of the socket shell (2), and the pin hole (51) and the key slot (511) of the key hole (5) are inserted with the pin shaft (61) and the flat key (611) of the key pin (6).
2. The key position switchable anti-misplug device is characterized in that the six corners of the first hexagonal counterbore (11) are respectively marked with A, B, C, D, E, F marks.
3. The key position switchable anti-misplug device is characterized in that the six corners of the second hexagonal counterbore (21) are respectively marked with A, B, C, D, E, F marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377159.0A CN111430987A (en) | 2020-05-07 | 2020-05-07 | Mistake cartridge prevention device with switchable key positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010377159.0A CN111430987A (en) | 2020-05-07 | 2020-05-07 | Mistake cartridge prevention device with switchable key positions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111430987A true CN111430987A (en) | 2020-07-17 |
Family
ID=71550712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010377159.0A Pending CN111430987A (en) | 2020-05-07 | 2020-05-07 | Mistake cartridge prevention device with switchable key positions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111430987A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618172A (en) * | 2013-11-08 | 2014-03-05 | 临沂市海纳电子有限公司 | Micro-rectangular electric connector with misplug-proof and code-locking functions |
| CN207490213U (en) * | 2017-12-06 | 2018-06-12 | 四川永贵科技有限公司 | It is a kind of with direction discernment can blindmate floating mount rectangular connector |
| CN207884008U (en) * | 2018-03-16 | 2018-09-18 | 上海航天科工电器研究院有限公司 | It is a kind of can scene quickly adjustment key mapping Anti-misplugging structure |
-
2020
- 2020-05-07 CN CN202010377159.0A patent/CN111430987A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618172A (en) * | 2013-11-08 | 2014-03-05 | 临沂市海纳电子有限公司 | Micro-rectangular electric connector with misplug-proof and code-locking functions |
| CN207490213U (en) * | 2017-12-06 | 2018-06-12 | 四川永贵科技有限公司 | It is a kind of with direction discernment can blindmate floating mount rectangular connector |
| CN207884008U (en) * | 2018-03-16 | 2018-09-18 | 上海航天科工电器研究院有限公司 | It is a kind of can scene quickly adjustment key mapping Anti-misplugging structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200717 |
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| WD01 | Invention patent application deemed withdrawn after publication |