CN103050827A - Dust-proof plug and electrical connector assembly applying same - Google Patents
Dust-proof plug and electrical connector assembly applying same Download PDFInfo
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- CN103050827A CN103050827A CN2012105154473A CN201210515447A CN103050827A CN 103050827 A CN103050827 A CN 103050827A CN 2012105154473 A CN2012105154473 A CN 2012105154473A CN 201210515447 A CN201210515447 A CN 201210515447A CN 103050827 A CN103050827 A CN 103050827A
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Abstract
The invention relates to the field of the electrical connector, in particular to a dust-proof plug and an electrical connector assembly applying the same. The front end of the dust-proof plug is a splicing end. The dust-proof plug comprises a plug shell and a connection nut, wherein the inside of the plug shell is provided with a plug contact element by a plug insulator; an anti-regression mechanism is arranged between the connection nut and the plug shell; the front part of the plug shell is provided with a splicing channel; the inner wall surface of the splicing channel is provided with a guide slot; the guide slot is used to be in front and back guide cooperation with a guide key on an adaption socket; the front end of the connection nut is provided with an inner turning edge hooked with the guide key on the adaption socket; the inner turning edge is used for shading the front end surface of the plug shell; a front end sealing gasket is pressed between the inner turning edge and the front end surface of the plug shell; the inner turning edge is also provided with a guide hole corresponding to the guide slot; and the guide hole penetrates through the inner turning edge along the front and back direction and is communicated with the corresponding guide slot. According to the invention, the problem that the traditional electrical connector assembly which adopts a connection nut locking mechanism can not be used for preventing dust is solved.
Description
Technical field
The present invention relates to electric connector field, especially a kind of plug of anti-sand and dust and use the electric coupler component of this plug.
Background technology
The plug of present electric coupler component and socket be not when plugging together, the extremely difficult removing if the small-sized foreign matter of sand and dust class enters its inside, and be easy to cause thus the syndeton of electric coupler component or the inefficacy of contact mechanism, this kind situation is particularly outstanding for the electric coupler component that adopts the coupling nut retaining mechanism, trace it to its cause, then most importantly because its coupling nut retaining mechanism mainly is by the rotation between each part or the mobile locking that realizes between plug and the socket, and part is more, just be easy to cause the catching phenomenon of retaining mechanism after allowing foreign matter enter, causing can't be sealed between plug and the socket.
Take the Chinese patent of application number as 2010101314737 as example, the electric coupler component of existing employing coupling nut retaining mechanism is normally coaxial on the plug casing of its plug to be equipped with rotating coupling nut, Socket casing at its socket arranges the external screw thread corresponding with described coupling nut, when plug and socket plug together, by coupling nut and described externally threaded the cooperation plug and socket being locked together.But, because described coupling nut is to cooperate with external screw thread on the Socket casing, therefore, must between the outside wall surface of coupling nut and plug casing, reserve the gap that enters for Socket casing, and form a socket between the outside wall surface of the front end of coupling nut (inserted terminal of plug) and plug casing, so that plug casing can insert in the Socket casing when plug and socket plug together, simultaneously, in order to prevent that plug and socket from relatively rotating after plugging together, one in the internal face of Socket casing and the outside wall surface of plug casing is provided with the guiding key, another is provided with the guiding groove corresponding with described guiding key, rear owing to the factors such as vibrations cause plug and socket to get loose with respect to the plug casing rotation automatically at plug and socket locking in order to prevent coupling nut, being provided with Anti-backup mechanism toward contact between coupling nut and the plug casing, is the internal tooth packing ring in 2011103634359 the Chinese patent such as application number, application number is the arc anti-loosing slice in 2010101040845 the Chinese patent, application number is that elasticity ratchet ring in 2010101314737 the Chinese patent and application number are spring in 2012100956016 the Chinese patent and steel ball etc.
Owing to leave the gap that enters for Socket casing between the coupling nut of above-mentioned electric coupler component and the outside wall surface of plug casing, therefore, the impurity such as the sand and dust in the environment very easily enter into the matching part of coupling nut and plug casing by this gap, and then cause the mutual clamping stagnation between coupling nut and the plug casing; In addition, because the needs of sealing and processing tend to be provided with seal groove or escape on the internal face of plug casing or Socket casing, and arranging of these grooves directly provide the hiding-place for impurity such as sand and dust, very easily causes the inefficacy between the contact mechanism.
Generally speaking, the problem that the existence of the electric coupler component of present employing coupling nut retaining mechanism can not be anti-dust then can't used with open-air the grade in the Sand Dust Environment.
Summary of the invention
The object of the present invention is to provide a kind of plug of anti-sand and dust, with the electric coupler component that solves existing employing coupling nut retaining mechanism can't be anti-dust problem.
The present invention also aims to simultaneously provide the electric coupler component that uses above-mentioned plug.
In order to address the above problem, the plug of anti-sand and dust of the present invention is by the following technical solutions: a kind of plug of anti-sand and dust, this plug is take front end as inserted terminal, comprise plug casing and be assemblied in coupling nut on the plug casing, fixedly be equipped with the plug contact by pin insulator in the plug casing, be provided with Anti-backup mechanism between coupling nut and the plug casing, the front portion of plug casing is provided with the grafting passage and the internal face at grafting passage place is provided with guiding groove, guiding groove be used for adaptive socket on the guiding key before and after guiding cooperate, the front end of coupling nut be provided with for adaptive socket on the guiding key articulate in turn edge, should in turn edge the front end face that covers plug casing and and the front end face of plug casing between be pressed with the forward end seal packing ring, in also offer the guiding port corresponding with described guiding groove on turning edge, this guiding port is along turning edge in fore-and-aft direction runs through and communicating with corresponding guiding port.
Be provided with the end seal packing ring between the rear end of coupling nut and the plug casing.
Described plug contact is string of a hat hole contact.
Described plug casing has escape at the internal face at its grafting passage place, and the rear end of described guiding groove is connected with this escape.
Place, rear at escape in the described plug casing is provided with sealing ring.
Electric coupler component of the present invention is by the following technical solutions: electric coupler component, comprise the separately plug and socket take front end as inserted terminal, plug comprises plug casing and is assemblied in coupling nut on the plug casing, fixedly be equipped with the plug contact by pin insulator in the plug casing, be provided with Anti-backup mechanism between coupling nut and the plug casing, socket comprises Socket casing and fixedly is assemblied in socket contact in the Socket casing by the socket insulator, the front portion of Socket casing has the Plug Division, the guiding key that extends before and after the outside wall surface of Plug Division is provided with, the front portion of plug casing is provided with the grafting passage and the internal face at grafting passage place is provided with guiding groove, guiding groove is used for cooperating with guiding before and after the described guiding key, the front end of coupling nut be provided with for the rear end with described guiding key articulate in turn edge, should in turn edge the front end face that covers plug casing and and the front end face of plug casing between be pressed with the forward end seal packing ring, in also offer the guiding port corresponding with described guiding groove on turning edge, this guiding port is along turning edge in fore-and-aft direction runs through and communicating with corresponding guiding port.
Be provided with the end seal packing ring between the rear end of coupling nut and the plug casing.
Described plug contact is string of a hat hole contact.
Described plug casing has escape at the internal face at its grafting passage place, and the rear end of described guiding groove is connected with this escape.
Be fixedly installed the interface sealing body on the front end face of socket insulator.
Because the internal face of plug casing at its grafting passage place of the plug of anti-sand and dust of the present invention is provided with guiding groove, and the front end of coupling nut be provided with for adaptive socket on the guiding key articulate in turn edge, should in turn edge the front end face that covers plug casing and and the front end face of plug casing between be pressed with the forward end seal packing ring, in also offer the guiding port corresponding with described guiding groove on turning edge, this guiding port is along turning edge in fore-and-aft direction runs through and communicating with corresponding guiding port; Therefore, in the process of using, when plug and socket plug together put in place after, only need be rotationally connected nut makes the described guiding port corresponding guiding key that staggers can realize locking between plug and the socket, can be connected with adaptive socket by turning edge in the coupling nut front end, thereby the form that can adopt socket to insert plug casing realizes docking between plug and the socket, by described forward end seal packing ring the impurity such as sand and dust are entered path blocking-up between plug casing and the coupling nut, solve the problem that the electric coupler component of existing employing coupling nut retaining mechanism can't be anti-dust.
Further, the end seal packing ring is set between the rear end of coupling nut and plug casing the impurity such as sand and dust can be entered path blocking-up between coupling nut and the plug casing from the coupling nut rear end, realization is hermetically sealed to the cooperation place of coupling nut and plug casing, thereby prevents that further the impurity such as sand and dust from entering between coupling nut and the plug casing; Because string of a hat hole contact piece structure is simple, enter inner foreign matter and remove easily, and insensitive to the foreign matter that enters in the jack, adopt this kind contact can prevent that as the plug contact contact mechanism of plug from being damaged inefficacy by impurity; Escape is the accessory structure that is difficult to avoid that produces in the plug casing course of processing, the rear end of guiding groove is connected with this escape can discharges easily the foreign material of collection in escape, makes guiding groove play the effect of dust discharging grooves; The sealing ring that place, escape rear arranges can cooperate with adaptive socket the sealing that realizes the two cooperation place.
Description of drawings
Fig. 1 is the structural representation of plug of the embodiment 1 of electric coupler component of the present invention;
Fig. 2 is the structural representation of socket of the embodiment 1 of electric coupler component of the present invention;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the structural representation of the embodiment 1 of the plug of anti-sand and dust of the present invention.
Embodiment
The embodiment 1 of electric coupler component of the present invention as Figure 1-3, comprises plug 101 and socket 102.
Plug 101 is take front end as inserted terminal, comprise plug casing 11 and fixedly be assemblied in plug contact 13 in the plug casing 11 by pin insulator 12, in the present embodiment, plug contact 13 adopts string of a hat hole contact, the front end of plug casing 11 has the grafting passage, the grafting passage is used for inserting for socket 102, in addition, plug casing 11 is provided with guiding groove 111 at the internal face at grafting passage place, guiding groove 111 extends along fore-and-aft direction, and the rear end at guiding groove 111 on the internal face of plug casing 11 has escape 112, the rear end of guiding groove 111 extends to the position that the front side cell wall with escape 112 connects, when accumulating the impurity such as sand and dust are arranged in the escape 112, the impurity that wherein accumulates can be poured out by guiding groove 111, place, rear at escape 112 in the grafting passage also is provided with seal groove, is equipped with O RunddichtringO 14 in the seal groove; Be equipped with coupling nut 15 on the plug casing 11, coupling nut 15 rotating being enclosed within on the plug casing 11 and by jump ring 16 cooperate with plug casing 11 front and back anticreeps, in addition, be provided with Anti-backup mechanism 17 between coupling nut 15 and the plug casing 11, in being provided with, the front end of coupling nut 15 turns edge, should in turn edge the front end face that covers plug casing 11 and and the front end face of plug casing 11 between be pressed with forward end seal packing ring 18, in the present embodiment, forward end seal circle 18 adopts plastic spacer, in offer the guiding port corresponding with described guiding groove 151 on turning edge, this guiding port 151 is along turning edge in fore-and-aft direction runs through and communicating with corresponding guiding groove, in addition, be provided with end seal packing ring 19 between the rear end of coupling nut 15 and the plug casing 11.
The plug of present embodiment and socket are when plugging together, insert in the grafting passage of plug casing the Plug Division of Socket casing, insert in the process of described grafting passage in the Plug Division of Socket casing, in the guiding groove of described guiding key by corresponding guiding port and insertion correspondence, when plug and socket peg graft put in place after, the O RunddichtringO cooperates with the forward end seal of Socket casing, turn edge in the while coupling nut and move to the rear end of guiding key, nut is rotatably connected this moment, then stagger mutually between guiding port and the guiding key, plug just is locked in socket, because the effect of described Anti-backup mechanism, coupling nut automatic rollback not after the locking of plug and socket, thus automatically getting loose between plug and the socket can be avoided.
In other embodiment of electric coupler component of the present invention, also can the interface sealing body be set at the front end place of pin insulator.
The embodiment 1 of the plug of anti-sand and dust of the present invention, as shown in Figure 4, the structure of the plug in the structure of the plug of anti-sand and dust in the present embodiment and the above-mentioned electric coupler component is identical, and it will not go into details herein.
Claims (10)
1. plug of anti-sand and dust, this plug is take front end as inserted terminal, comprise plug casing and be assemblied in coupling nut on the plug casing, fixedly be equipped with the plug contact by pin insulator in the plug casing, be provided with Anti-backup mechanism between coupling nut and the plug casing, it is characterized in that, the front portion of plug casing is provided with the grafting passage and the internal face at grafting passage place is provided with guiding groove, guiding groove be used for adaptive socket on the guiding key before and after guiding cooperate, the front end of coupling nut be provided with for adaptive socket on the guiding key articulate in turn edge, should in turn edge the front end face that covers plug casing and and the front end face of plug casing between be pressed with the forward end seal packing ring, in also offer the guiding port corresponding with described guiding groove on turning edge, this guiding port is along turning edge in fore-and-aft direction runs through and communicating with corresponding guiding port.
2. the plug of anti-sand and dust according to claim 1 is characterized in that, is provided with the end seal packing ring between the rear end of coupling nut and the plug casing.
3. the plug of anti-sand and dust according to claim 1 is characterized in that, described plug contact is string of a hat hole contact.
4. each described plug of anti-sand and dust is characterized in that according to claim 1-3, and described plug casing has escape at the internal face at its grafting passage place, and the rear end of described guiding groove is connected with this escape.
5. the according to claim 4 described plug of anti-sand and dust is characterized in that, the place, rear at escape in the described plug casing is provided with sealing ring.
6. electric coupler component, comprise the separately plug and socket take front end as inserted terminal, plug comprises plug casing and is assemblied in coupling nut on the plug casing, fixedly be equipped with the plug contact by pin insulator in the plug casing, be provided with Anti-backup mechanism between coupling nut and the plug casing, socket comprises Socket casing and fixedly is assemblied in socket contact in the Socket casing by the socket insulator, it is characterized in that, the front portion of Socket casing has the Plug Division, the guiding key that extends before and after the outside wall surface of Plug Division is provided with, the front portion of plug casing is provided with the grafting passage and the internal face at grafting passage place is provided with guiding groove, guiding groove is used for cooperating with guiding before and after the described guiding key, the front end of coupling nut be provided with for the rear end with described guiding key articulate in turn edge, should in turn edge the front end face that covers plug casing and and the front end face of plug casing between be pressed with the forward end seal packing ring, in also offer the guiding port corresponding with described guiding groove on turning edge, this guiding port is along turning edge in fore-and-aft direction runs through and communicating with corresponding guiding port.
7. electric coupler component according to claim 6 is characterized in that, is provided with the end seal packing ring between the rear end of coupling nut and the plug casing.
8. electric coupler component according to claim 6 is characterized in that, described plug contact is string of a hat hole contact.
9. each described electric coupler component is characterized in that according to claim 6-8, and described plug casing has escape at the internal face at its grafting passage place, and the rear end of described guiding groove is connected with this escape.
10. electric coupler component according to claim 6 is characterized in that, is fixedly installed the interface sealing body on the front end face of socket insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515447.3A CN103050827B (en) | 2012-12-05 | 2012-12-05 | Dust-proof plug and electrical connector assembly applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515447.3A CN103050827B (en) | 2012-12-05 | 2012-12-05 | Dust-proof plug and electrical connector assembly applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103050827A true CN103050827A (en) | 2013-04-17 |
| CN103050827B CN103050827B (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210515447.3A Expired - Fee Related CN103050827B (en) | 2012-12-05 | 2012-12-05 | Dust-proof plug and electrical connector assembly applying same |
Country Status (1)
| Country | Link |
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| CN (1) | CN103050827B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635075A (en) * | 2019-01-31 | 2019-12-31 | 中航光电科技股份有限公司 | Quick-change battery and battery shell |
| CN114744446A (en) * | 2022-04-23 | 2022-07-12 | 江苏上诚电缆有限公司 | Monitoring power adapter for field high-power high-definition camera |
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| JPH11162554A (en) * | 1997-11-28 | 1999-06-18 | Toshiba Lighting & Technology Corp | Waterproof structure of wire connecting part |
| US20030017734A1 (en) * | 2001-07-05 | 2003-01-23 | Roberto Pogliani | Circular electrical connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110635075A (en) * | 2019-01-31 | 2019-12-31 | 中航光电科技股份有限公司 | Quick-change battery and battery shell |
| CN114744446A (en) * | 2022-04-23 | 2022-07-12 | 江苏上诚电缆有限公司 | Monitoring power adapter for field high-power high-definition camera |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103050827B (en) | 2015-04-08 |
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Granted publication date: 20150408 Termination date: 20181205 |