CN102655301B - Self-tapping plug and connector assembly using same - Google Patents
Self-tapping plug and connector assembly using same Download PDFInfo
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- CN102655301B CN102655301B CN201210130591.5A CN201210130591A CN102655301B CN 102655301 B CN102655301 B CN 102655301B CN 201210130591 A CN201210130591 A CN 201210130591A CN 102655301 B CN102655301 B CN 102655301B
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Abstract
The invention relates to a self-tapping plug and a connector assembly using the same. The self-tapping plug comprises a plug shell of which the front end is provided with a splicing segment rotatably spliced with an adaptive socket before the plug and the adaptive socket are spliced in place; a connection helmet is sleeved on the plug shell; a nut screw rod mechanism is directly formed between the connection helmet and the plug shell or through a thread bushing matched with one of the connection helmet and the plug shell in a stop rotation way and matched with the other one the connection helmet and the plug shell in a threaded way; the connection helmet is provided with a convex key clamped in an annular groove on the shell of the adaptive socket at the front end of the inner wall face so that the connection helmet and the adaptive socket are matched in an anti-channeling way in the front and rear direction; and the convex key is provided with an outer surface matched with the annular groove bottom or wall in a gliding or clearance manner so that the connection helmet can rotate relative to the adaptive socket. According to the invention, the problem of low locking and unlocking efficiency between the plug and the socket of the connector assembly when the axial dimension of the socket is limited can be solved.
Description
Technical field
The present invention relates to field of connectors, especially a kind of self-tapping type plug and use the connector assembly of this plug.
Background technology
Along with communication, electric the integrated of equipment that wait, modularization development, the connector assembly with the characteristic of inserting soon soon pull out has obtained application more and more widely, especially after optoelectronic composite cable occurs, the application of photoelectric mixed connector assembly is also increasingly extensive, current connector assembly is mostly made up of plug and socket, plug comprises housing and is assemblied in the plug contact in plug casing by pin insulator, socket comprises Socket casing and is assemblied in the socket contact in Socket casing by socket insulator, when work, connect or disconnect corresponding circuit by the plug between plug and socket, in actual application, tend to arrange locking mechanism between plug and socket, and coupling nut is exactly wherein common one, in prior art, nut often rotate be assemblied on plug casing and and plug casing between in grafting direction Anti-moving coordinate, Socket casing is provided with the external screw thread corresponding with internal thread on coupling nut in the outer peripheral face of its inserted terminal, after plug and socket plug together, coordinate to realize the locking between plug and socket with the external screw thread on socket by turn coupling nut.Above-mentioned locking mechanism is widely used in field of connectors, but, at some special occasions, as Socket casing is pegged graft the restriction of the size in direction cannot be opened in the external screw thread that coupling nut coordinates time, just above-mentioned locking mechanism cannot use, in the time running into above-mentioned situation, can only adopt the mode of separately establishing locking device to realize the locking between plug and socket, this locking mode is wasted time and energy, and efficiency is extremely low, disagrees with the characteristic that connector is inserted soon soon pulled out.
Summary of the invention
The object of the present invention is to provide a kind of self-tapping type plug, be subject to locking and the inefficient problem of release in limited time to solve between the plug and socket of connector assembly at socket axial dimension.
Meanwhile, the present invention also aims to provide the connector assembly that uses above-mentioned self-tapping type plug.
In order to address the above problem, self-tapping type plug of the present invention is by the following technical solutions: a kind of self-tapping type plug, comprise plug casing, the front end of described plug casing has for plugging together at plug and adaptive socket before putting in place and only revolves the inserting section of inserting with adaptive socket, on plug casing, be arranged with attachment cap, between described attachment cap and plug casing, directly form screw screw mechanism or by with the two in one only screw and close, form screw screw mechanism with the thread bush of another threaded engagement, the attachment cap in the inner front end place of wall is provided with annular groove on the housing for snapping in adaptive socket so that attachment cap and the adaptive socket protruding key that Anti-moving coordinates on fore-and-aft direction, described protruding key have for the bottom land of described annular groove cell wall is slidably matched or matched in clearance so that the outer surface that attachment cap can rotate with respect to adaptive socket.
In attachment cap, be provided with around plug casing and with plug casing and only screw the elastic pawl of the arc closing, described elastic pawl along fore-and-aft direction and plug casing guiding coordinate and inner wall surface thereof and plug casing between there is the spacing of actuating, the outside wall surface of elastic pawl is provided with ratchet, attachment cap is provided with the locked groove that snaps in or deviate from for described ratchet, in the time that attachment cap drives plug and adaptive socket to plug together, the gradient that ratchet is positioned at the side of a side in front in the direction of rotation of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear.
Described locked groove comprises the separation locked groove that plugs together locked groove and supply ratchet to snap in the time that plug separates with adaptive socket snapping in the time that plug plugs together with adaptive socket for ratchet, plug together locked groove and separate the axis laying of locked groove around attachment cap, walk to while plugging together locked groove from described separation locked groove when turn attachment cap makes ratchet, between plug casing and adaptive socket, plug together and put in place.
Between described attachment cap and plug casing, form screw screw mechanism by described thread bush, described thread bush only revolves and is assembled together and leads and coordinate on fore-and-aft direction with attachment cap with attachment cap, plug casing and thread bush threaded engagement, rear in thread bush in attachment cap is equipped with baffle ring, is top-loaded with ripple spring between the rear end of thread bush and baffle ring.
The support set that is provided with the decrement for limiting ripple spring between the rear end of thread bush and baffle ring, support set is looped around around ripple spring.
Connector assembly of the present invention is by the following technical solutions: a kind of connector assembly, comprise the plug and socket taking front end as inserted terminal separately, plug comprises plug casing, socket comprises Socket casing, plug casing is provided with plug inserting section in front end, Socket casing is provided with for plugging together at plug and socket before putting in place and only revolves the socket inserting section of inserting with plug inserting section in front end, on Socket casing outer surface, offer coaxial with it annular slot and be provided with and extend to from front to back the guiding groove being communicated with described annular slot in front end, on plug casing, be arranged with attachment cap, between described attachment cap and plug casing, directly form screw screw mechanism or by with the two in one only screw and close, form screw screw mechanism with the thread bush of another threaded engagement, the attachment cap in the inner front end place of wall is provided with in the time that plug is pegged graft with socket through guiding groove guiding movement and snaps in annular groove on Socket casing so that the attachment cap protruding key that Anti-moving coordinates on fore-and-aft direction with socket, protruding key have for the bottom land of described annular slot cell wall is slidably matched or matched in clearance so that the outer surface that attachment cap rotates with respect to Socket casing.
In attachment cap, be provided with around plug casing and with plug casing and only screw the elastic pawl of the arc closing, described elastic pawl along fore-and-aft direction and plug casing guiding coordinate and inner wall surface thereof and plug casing between there is the spacing of actuating, the outside wall surface of elastic pawl is provided with ratchet, attachment cap is provided with the locked groove that snaps in or deviate from for described ratchet, in the time that attachment cap drives plug and socket to plug together, the gradient that ratchet is positioned at the side of a side in front in the direction of rotation of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear.
Described locked groove comprises the separation locked groove that plugs together locked groove and supply ratchet to snap in the time that plug separates with socket snapping in the time that plug plugs together with socket for ratchet, plug together locked groove and separate the axis laying of locked groove around attachment cap, walk to while plugging together locked groove from described separation locked groove when turn attachment cap makes ratchet, between plug casing and Socket casing, plug together and put in place.
Between described attachment cap and plug casing, form screw screw mechanism by described thread bush, described thread bush only revolves and is assembled together and leads and coordinate on fore-and-aft direction with attachment cap with attachment cap, plug casing and thread bush threaded engagement, rear in thread bush in attachment cap is equipped with baffle ring, is top-loaded with ripple spring between the rear end of thread bush and baffle ring.
The support set that is provided with the decrement for limiting ripple spring between the rear end of thread bush and baffle ring, support set is looped around around ripple spring.
Because self-tapping type plug of the present invention is provided with described attachment cap on its plug casing, and between attachment cap and plug casing, directly form screw screw mechanism or form screw screw mechanism by described thread bush, attachment cap is provided with described protruding key, therefore, in the process using, can control attachment cap and adaptive socket plugs together and makes described protruding key to snap in the annular groove on adaptive socket, now, due to the effect of described inserting section, plug casing cannot be rotated with respect to adaptive socket, described attachment cap can rotate with respect to the housing of adaptive socket, turn attachment cap just can be pushed ahead plug casing by described screw screw mechanism, thereby make to plug together and put in place between plug and adaptive socket, realize plugging together of plug and socket, under this state, attachment cap is equivalent to coupling nut of the prior art, can realize the locking between plug and adaptive socket, because attachment cap is all shaftless to (fore-and-aft direction) relative displacement in progradation and between adaptive socket, therefore the axial dimension of the housing to adaptive socket is without particular/special requirement, even if the axial dimension at adaptive socket is limited, cannot screw thread be set time, also can realize locking and the release between plug and adaptive socket by the form of threaded engagement, easy to operate, fast, solve between the plug and socket of connector assembly and be subject to locking and the inefficient problem of release in limited time at socket axial dimension.
Further, described elastic pawl is set in attachment cap and described ratchet is set on elastic pawl, described in arranging, actuate spacing between the internal face of ratchet and plug casing, described locked groove is set on the internal face of attachment cap, and in the time that attachment cap drives plug and adaptive socket to plug together, the gradient that ratchet is positioned at the side of a side in front in the direction of rotation of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear, thereby make the resistance of attachment cap in the time driving the resistance of plug casing while plugging together with adaptive socket to be less than it to order about plug casing and separate with adaptive socket, in the time applying in vibration environment, ratchet can make attachment cap produce can order about the rotation trend that plug casing and adaptive socket plug together, prevent getting loose in vibration environment between plug and adaptive socket, because described elastic pawl itself has elasticity, therefore the moment that ratchet falls into locked groove must be sent sound, described in locked groove is divided into, plugs together locked groove and separate locked groove, and the two axis around attachment cap is laid, when making ratchet, turn attachment cap walks to while plugging together locked groove from described separation locked groove, between plug casing and Socket casing, plug together and put in place, thereby by inserting between the position of locked groove and plug and adaptive socket, having divided state correspondence gets up, and then whether the sound producing can fall into corresponding locked groove according to ratchet time to plug together and put in place between indicating plug and adaptive socket, thread bush and attachment cap are only revolved and be assembled together and lead and coordinate on fore-and-aft direction with attachment cap, plug casing and thread bush threaded engagement, described baffle ring is set in attachment cap and top dress ripple spring between the rear end of thread bush and baffle ring, thereby can produce certain pressure on top surface by double thread cover, prevent its free play in attachment cap, prevent that plug and socket from plugging together the generation of situation not in place, make the revolving force of attachment cap soft simultaneously, support set, for limiting the maximum compressibility of ripple spring, avoids ripple spring to produce because deformation is excessive tired.
Because the socket of connector assembly of the present invention offers coaxial with it annular slot and is provided with the guiding groove being communicated with described annular slot in front end on its Socket casing, the plug casing of its plug is provided with described attachment cap, and between attachment cap and plug casing, directly form screw screw mechanism or form screw screw mechanism by described thread bush, attachment cap is provided with described protruding key, therefore, in the process using, can control attachment cap and socket plugs together and make described protruding key to snap in the annular groove on socket, now, due to the effect of described inserting section, plug casing cannot be rotated with respect to socket, described attachment cap can rotate with respect to the housing of socket, turn attachment cap just can be pushed ahead plug casing by described screw screw mechanism, thereby make to plug together and put in place between plug and socket, realize plugging together of plug and socket, under this state, attachment cap is equivalent to coupling nut of the prior art, can realize the locking between plug and socket, because attachment cap is all shaftless to (fore-and-aft direction) relative displacement in progradation and between socket, therefore the axial dimension of the housing to socket is without particular/special requirement, even if the axial dimension at socket is limited, cannot screw thread be set time, also can realize locking and the release between plug and socket by the form of threaded engagement, easy to operate, fast, solve between the plug and socket of connector assembly and be subject to locking and the inefficient problem of release in limited time at socket axial dimension.
Further, described elastic pawl is set in attachment cap and described ratchet is set on elastic pawl, described in arranging, actuate spacing between the internal face of ratchet and plug casing, described locked groove is set on the internal face of attachment cap, and in the time that attachment cap drives plug and socket to plug together, the gradient that ratchet is positioned at the side of a side in front in the direction of rotation of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear, thereby make the resistance of attachment cap in the time driving the resistance of plug casing while plugging together with socket to be less than it to order about plug casing and separate with socket, in the time applying in vibration environment, ratchet can make attachment cap produce can order about the rotation trend that plug casing and socket plug together, prevent getting loose in vibration environment between plug and socket, because described elastic pawl itself has elasticity, therefore the moment that ratchet falls into locked groove must be sent sound, described in locked groove is divided into, plugs together locked groove and separate locked groove, and the two axis around attachment cap is laid, when making ratchet, turn attachment cap walks to while plugging together locked groove from described separation locked groove, between plug casing and Socket casing, plug together and put in place, thereby get up corresponding to inserting between the position of locked groove and plug and socket, point state, and then whether the sound producing can fall into corresponding locked groove according to ratchet time to plug together and put in place between indicating plug and socket, thread bush and attachment cap are only revolved and be assembled together and lead and coordinate on fore-and-aft direction with attachment cap, plug casing and thread bush threaded engagement, described baffle ring is set in attachment cap and top dress ripple spring between the rear end of thread bush and baffle ring, thereby can produce certain pressure on top surface by double thread cover, prevent its free play in attachment cap, prevent that plug and socket from plugging together the generation of situation not in place, make the revolving force of attachment cap soft simultaneously, support set, for limiting the maximum compressibility of ripple spring, avoids ripple spring to produce because deformation is excessive tired.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of self-tapping type plug of the present invention;
Fig. 2 is the structural representation of the plug casing in Fig. 1;
Fig. 3 is the structural representation of the attachment cap in Fig. 1;
Fig. 4 is the stereogram of the attachment cap in Fig. 1;
Fig. 5 is the structural representation of the elastic pawl in Fig. 1;
Fig. 6 is the stereogram of the elastic pawl in Fig. 1;
Fig. 7 is thread bush in Fig. 1 structural representation under a visual angle;
Fig. 8 is thread bush in Fig. 1 structural representation under another visual angle;
Fig. 9 is the structural representation of the socket in the embodiment 1 of connector assembly of the present invention;
Figure 10 is the structural representation of the self-tapping type plug of the embodiment 1 of connector assembly of the present invention;
Figure 11 is the structural representation of the plug casing in Figure 10;
Figure 12 is the structural representation of the attachment cap in Figure 10;
Figure 13 is the stereogram of the attachment cap in Figure 10;
Figure 14 is the structural representation of the elastic pawl in Figure 10;
Figure 15 is the stereogram of the elastic pawl in Figure 10;
Figure 16 is thread bush in Figure 10 structural representation under a visual angle;
Figure 17 is thread bush in Figure 10 structural representation under another visual angle.
Embodiment
The embodiment 1 of self-tapping type plug of the present invention, as shown in Fig. 1-8, comprise plug casing 11, plug casing 11 adopts splines shell, its entirety is cylindrical and have an inserting section that is positioned at front end, the internal face of inserting section is provided with guide-localization key 11-1, in the time plugging together with adaptive socket, guide-localization key 11-1 plays guiding, location and the effect of only revolving, in addition, after the inserting section of plug casing 11, be provided with an external thread section 11-2 and be equipped with attachment cap 12 by external thread section 11-2, attachment cap 12 is ladder axle sleeve shape, comprise the path section that is positioned at front end and the large footpath section that is positioned at rear end, the front end of described path section is provided with protruding key 12-1 in internal face, protruding key 12-1 is used for snapping in the annular groove on adaptive socket in the time of described plug and the grafting of adaptive socket, make between attachment cap 12 and adaptive socket anticreep in the axial direction coordinate, in addition, protruding key 12-1 have for adaptive socket on the be slidably matched outer surface of (or matched in clearance) of bottom land or the cell wall of annular groove, this makes protruding key 12-1 can also realize the rotation of attachment cap 12 with respect to socket realizing in axial anticreep between attachment cap 12 and adaptive socket coordinates, attachment cap 12 is equipped with successively from front to back elastic pawl 13 in the endoporus of its large footpath section, thread bush 14, support set 15 and ripple spring 16 and baffle ring 17, wherein elastic pawl 13 semicirculars in shape be looped around plug casing 11 peripheries, the medial surface of elastic pawl 13 (towards the surface of a side of plug casing) is provided with one and only revolves key 13-1, plug casing 11 is provided with the only spin slot 11-3 corresponding with only revolving key 13-1, only spin slot 11-3 extends along fore-and-aft direction, thereby make cannot relatively rotate between elastic pawl 13 and plug casing 11 on the one hand, make on the other hand on fore-and-aft direction, to lead and coordinate between elastic pawl 13 and plug casing 11, the height that only revolves key 13-1 is greater than the only degree of depth of spin slot 11-3, thereby make to form one between the medial surface of elastic pawl 13 and plug casing 11 and actuate spacing, this actuates spacing and provides space for the elastic actuating of elastic pawl 13, the outside wall surface of elastic pawl 13 is provided with ratchet 13-2, in the present embodiment, the ratchet of each elastic pawl 13 has two and two ratchets to lay respectively at the two ends place of elastic pawl 13, the internal face of attachment cap 12 is provided with the locked groove 12-2 corresponding to ratchet of elastic pawl 13, in the present embodiment, the locked groove of corresponding each ratchet respectively has two, be respectively and plug together locked groove and separate locked groove, the two axis around attachment cap 12 is laid, when two ratchets of an elastic pawl 13 are all arranged in corresponding separation locked groove or are all positioned at corresponding while plugging together locked groove, 13 of this elastic pawls are stuck in attachment cap 12, in the present embodiment, elastic pawl 13 has two, two elastic pawls 13 are one in front and one in back set up in parallel, thread bush 14 has internal thread, its outer peripheral face is provided with feather key 14-1, the internal face of attachment cap 12 is provided with the gathering sill 12-3 extending along fore-and-aft direction, between thread bush 14 and attachment cap 12 by feather key with gathering sill is not relatively turnable is assembled together and coordinates along fore-and-aft direction guiding, in addition, the rear end of thread bush 14 14-2 that turns edge in having, baffle ring 17 is assemblied in attachment cap 12 by the circlip 18 being fastened in attachment cap 12 in its rear place, ripple spring 16 and support set 15 are all located between baffle ring 17 and thread bush 14, wherein ripple spring 16 top be contained in thread bush 14 in turn edge and baffle ring 17 between, thereby make, between thread bush 14 and attachment cap 12, axially relative displacement freely to occur, support set 15 is looped around around ripple spring 16, it is for limiting the decrement of ripple spring 16, thus protection ripple spring 16, so far between attachment cap 12 and plug casing 11, form screw screw mechanism by thread bush 14, be also arranged with sleeve 19 on attachment cap 12, sleeve 19 is for controlling for operator, and it is fixed together by jackscrew and attachment cap 12.In plug casing 11, be equipped with contact by insulator 33, in the present embodiment, contact is divided into light contact 20 and electric contact piece 21, this makes the plug of the present embodiment form photoelectricity mixed plug, wherein light contact 20 coaxially arranges with plug casing 11, and 21 of electric contact pieces are laid in the periphery of light contact 20, plug casing 11 is also one in front and one in back equipped with shielding spring coil 34 and sealing ring 22 by the groove being coaxially opened in inner wall surface thereof, shielding spring coil is for realizing the electric connection between plug casing and the housing of adaptive socket, ensure the shielding properties of plug, sealing ring 22 for being sealed and matched in the time that plug and adaptive socket plug together and between the housing of adaptive socket, the rear end of plug casing 11 is equipped with annex, and annex comprises attachment housings 23, has a cable passage in attachment housings 23, has the angle of 90 ° between the center line of the import and export of cable passage, thereby has realized the radial outgoing wire of plug, the front end of attachment housings 23 is rotatably equipped with coupling nut 25 by jump ring 24, between coupling nut 25 and attachment housings 23, coordinate along fore-and-aft direction anticreep, in addition, the endoporus of coupling nut 25 is pre-small post-large stepped hole, between its path section and large footpath section, form a step surface, between the front end of this step surface and attachment housings 23, be provided with O-ring seal 26, O-ring seal 26 is for realizing being sealed and matched between coupling nut 25 and attachment housings 23, attachment housings 23 its line outlet place have by screw-internal thread fit straight connector 27 and and straight connector 27 between be provided with O type circle 28, O type circle 28 is for realizing being sealed and matched between straight connector 27 and attachment housings 23, in straight connector 27, in the direction away from attachment housings, be equipped with successively shielding ring 29, sealing shroud 30, back-up ring 31 and sealing nut 32, wherein shielding ring 29 is for realizing ground connection or the combined shielding of cable with the screen crimping of cable, sealing shroud 30 is for being sealed and matched with cable, sealing nut 32 turns edge in being provided with near one end of the opening of straight connector, it makes it to occur deformation to compress cable for press seal cover 30, 31 of back-up rings for prevent from turning edge in sealing nut and sealing shroud between directly relative rotation, reduce rotational resistance.
When use, first control sleeve and adaptive socket to inserting, protruding key on attachment cap is snapped in the annular groove on adaptive socket, between the inserting section of plug casing and the housing of adaptive socket plug and socket peg graft put in place before first not relatively turnable grafting, now continue turn attachment cap, plug moves forward under the ordering about of attachment cap, thereby plug together and put in place with adaptive socket, in the process of rotating at attachment cap, the gradient that is positioned at the side of a side in front in the rotation direction of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear, thereby make the resistance of attachment cap in the time driving the resistance of plug casing while plugging together with socket to be less than it to order about plug casing and separate with socket, in the time applying in vibration environment, ratchet can make attachment cap produce can order about the rotation trend that plug casing and socket plug together, prevent getting loose in vibration environment between plug and socket, because described elastic pawl itself has elasticity, therefore the moment that ratchet falls into locked groove must be sent sound, described in locked groove is divided into, plugs together locked groove and separate locked groove, and the two axis around attachment cap is laid, when making ratchet, turn attachment cap walks to while plugging together locked groove from described separation locked groove, between plug casing and Socket casing, plug together and put in place, thereby by inserting between the position of locked groove and plug and socket, having divided state correspondence gets up, and then whether the sound producing can fall into corresponding locked groove according to ratchet time to plug together and put in place between indicating plug and socket.
In other embodiment of self-tapping type plug of the present invention, thread bush described in the embodiment 1 of above-mentioned self-tapping type plug can also omit, in such cases, can on the internal face of attachment cap, offer internal thread, make direct formation screw screw mechanism between attachment cap and plug casing; Described thread bush can also be external thread sleeve, in such cases, can on the internal face of attachment cap, offer internal thread, make thread bush and attachment cap threaded engagement, make thread bush and plug casing only screw and close, thereby make attachment cap and plug casing form screw screw mechanism by thread bush; Described locked groove also can be divided into and plugs together locked groove and separate locked groove, and in such cases, locked groove still possesses antidetonation and loosens function, but does not possess deixis; In order to make the resistance of attachment cap in the time driving the resistance of plug casing while plugging together with socket to be less than it to order about plug casing and separate with socket, the gradient that the two corresponding cell walls of locked groove also can be set realizes, the angle of inclination of two cell walls of locked groove is not waited and can be realized equally, certainly, in such cases, ratchet can replace with fixture block; Described contact can also be all light contact or be all electric contact piece.
The embodiment 1 of connector assembly of the present invention, as shown in Fig. 9-17, is made up of plug 101 and socket 102.
Socket as shown in Figure 9, comprise Socket casing 41, Socket casing is columnar metal shell, its taking front end as inserted terminal and in front end be provided with for plug peg graft socket inserting section, the outside wall surface of socket inserting section is provided with guiding groove and for only screwing with plug the only spin slot closing, in addition, on Socket casing 41, be also provided with at the rear place of described guiding groove the annular slot 41-1 communicating with guiding groove, in plug casing 41, be equipped with socket contact by socket insulator 42, socket contact is divided into socket light contact 43 and socket electric contact piece 44, this makes the socket in the present embodiment form photoelectricity mixing socket.
Plug is as shown in Figure 10-17, comprise plug casing 51, plug casing 51 adopts splines shell, its entirety is cylindrical and have an inserting section that is positioned at front end, the internal face of inserting section is provided with guide-localization key 51-1, in the time plugging together with socket, guide-localization key 51-1 plays guiding, location and the effect of only revolving, in addition, after the inserting section of plug casing 51, be provided with an external thread section 51-2 and be equipped with attachment cap 52 by external thread section 51-2, attachment cap 52 is ladder axle sleeve shape, comprise the path section that is positioned at front end and the large footpath section that is positioned at rear end, the front end of described path section is provided with protruding key 52-1 in internal face, protruding key 52-1 is used for snapping in the annular slot on Socket casing in the time of described plug and socket grafting, make between attachment cap 52 and socket anticreep in the axial direction coordinate, in addition, protruding key 52-1 have for Socket casing on the be slidably matched outer surface of (or matched in clearance) of bottom land or the cell wall of annular slot, this makes protruding key 52-1 can also realize the rotation of attachment cap 52 with respect to socket realizing in axial anticreep between attachment cap 52 and socket coordinates, attachment cap 52 is equipped with successively from front to back elastic pawl 53 in the endoporus of its large footpath section, thread bush 54, support set 55 and ripple spring 56 and baffle ring 57, wherein elastic pawl 53 semicirculars in shape be looped around plug casing 51 peripheries, the medial surface of elastic pawl 53 (towards the surface of a side of plug casing) is provided with one and only revolves key 53-1, plug casing 51 is provided with the only spin slot 51-3 corresponding with only revolving key 53-1, only spin slot 51-3 extends along fore-and-aft direction, thereby make cannot relatively rotate between elastic pawl 53 and plug casing 51 on the one hand, make on the other hand on fore-and-aft direction, to lead and coordinate between elastic pawl 53 and plug casing 51, the height that only revolves key 53-1 is greater than the only degree of depth of spin slot 51-3, thereby make to form one between the medial surface of elastic pawl 53 and plug casing 51 and actuate spacing, this actuates spacing and provides space for the elastic actuating of elastic pawl 53, the outside wall surface of elastic pawl 53 is provided with ratchet 53-2, in the present embodiment, the ratchet of each elastic pawl 53 has two and two ratchets to lay respectively at the two ends place of elastic pawl 53, the internal face of attachment cap 52 is provided with the locked groove 52-2 corresponding to ratchet of elastic pawl 53, in the present embodiment, the locked groove of corresponding each ratchet respectively has two, be respectively and plug together locked groove and separate locked groove, the two axis around attachment cap 52 is laid, when two ratchets of an elastic pawl 53 are all arranged in corresponding separation locked groove or are all positioned at corresponding while plugging together locked groove, 53 of this elastic pawls are stuck in attachment cap 52, in the present embodiment, elastic pawl 53 has two, two elastic pawls 53 are one in front and one in back set up in parallel, thread bush 54 has internal thread, its outer peripheral face is provided with feather key 54-1, the internal face of attachment cap 52 is provided with the gathering sill 52-3 extending along fore-and-aft direction, between thread bush 54 and attachment cap 52 by feather key with gathering sill is not relatively turnable is assembled together and coordinates along fore-and-aft direction guiding, in addition, the rear end of thread bush 54 54-2 that turns edge in having, baffle ring 57 is assemblied in attachment cap 52 by the circlip 58 being fastened in attachment cap 52 in its rear place, ripple spring 56 and support set 55 are all located between baffle ring 57 and thread bush 54, wherein ripple spring 56 top be contained in thread bush 54 in turn edge and baffle ring 57 between, thereby make, between thread bush 54 and attachment cap 52, axially relative displacement freely to occur, support set 55 is looped around around ripple spring 56, it is for limiting the decrement of ripple spring 56, thus protection ripple spring 56, so far between attachment cap 52 and plug casing 51, form screw screw mechanism by thread bush 54, be also arranged with sleeve 59 on attachment cap 52, sleeve 59 is for controlling for operator, and it is fixed together by jackscrew and attachment cap 52.In plug casing 51, be equipped with plug contact by pin insulator 73, in the present embodiment, contact is divided into plug light contact 60 and plug electric contact piece 61, this makes the plug of the present embodiment form photoelectricity mixed plug, wherein plug light contact 60 coaxially arranges with plug casing 51, and 61 of plug electric contact pieces are laid in the periphery of plug light contact 60, plug casing 51 is also one in front and one in back equipped with shielding spring coil 74 and sealing ring 62 by the groove being coaxially opened in inner wall surface thereof, shielding spring coil is for realizing the electric connection between plug casing and Socket casing, ensure the shielding properties of plug, sealing ring 62 for being sealed and matched in the time that plug and socket plug together and between Socket casing, the rear end of plug casing 51 is equipped with annex, and annex comprises attachment housings 63, has a cable passage in attachment housings 63, has the angle of 90 ° between the center line of the import and export of cable passage, thereby has realized the radial outgoing wire of plug, the front end of attachment housings 63 is rotatably equipped with coupling nut 65 by jump ring 64, between coupling nut 65 and attachment housings 63, coordinate along fore-and-aft direction anticreep, in addition, the endoporus of coupling nut 65 is pre-small post-large stepped hole, between its path section and large footpath section, form a step surface, between the front end of this step surface and attachment housings 63, be provided with O-ring seal 66, O-ring seal 66 is for realizing being sealed and matched between coupling nut 65 and attachment housings 63, attachment housings 63 its line outlet place have by screw-internal thread fit straight connector 67 and and straight connector 67 between be provided with O type circle 68, O type circle 68 is for realizing being sealed and matched between straight connector 67 and attachment housings 63, in straight connector 67, in the direction away from attachment housings, be equipped with successively shielding ring 69, sealing shroud 70, back-up ring 71 and sealing nut 72, wherein shielding ring 69 is for realizing ground connection or the combined shielding of cable with the screen crimping of cable, sealing shroud 70 is for being sealed and matched with cable, sealing nut 72 turns edge in being provided with near one end of the opening of straight connector, it makes it to occur deformation to compress cable for press seal cover 70, 71 of back-up rings for prevent from turning edge in sealing nut and sealing shroud between directly relative rotation, reduce rotational resistance.
When use, first control sleeve and socket to inserting, protruding key on attachment cap is snapped in the annular slot on Socket casing, between the inserting section of plug casing and Socket casing plug and socket peg graft put in place before first not relatively turnable grafting, now continue turn attachment cap, plug moves forward under the ordering about of attachment cap, thereby plug together and put in place with socket, in the process of rotating at attachment cap, the gradient that is positioned at the side of a side in front in the rotation direction of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear, thereby make the resistance of attachment cap in the time driving the resistance of plug casing while plugging together with socket to be less than it to order about plug casing and separate with socket, in the time applying in vibration environment, ratchet can make attachment cap produce can order about the rotation trend that plug casing and socket plug together, prevent getting loose in vibration environment between plug and socket, because described elastic pawl itself has elasticity, therefore the moment that ratchet falls into locked groove must be sent sound, described in locked groove is divided into, plugs together locked groove and separate locked groove, and the two axis around attachment cap is laid, when making ratchet, turn attachment cap walks to while plugging together locked groove from described separation locked groove, between plug casing and Socket casing, plug together and put in place, thereby by inserting between the position of locked groove and plug and socket, having divided state correspondence gets up, and then whether the sound producing can fall into corresponding locked groove according to ratchet time to plug together and put in place between indicating plug and socket.
In other embodiment of self-tapping type plug of the present invention, thread bush described in the embodiment 1 of above-mentioned self-tapping type plug can also omit, in such cases, can on the internal face of attachment cap, offer internal thread, make direct formation screw screw mechanism between attachment cap and plug casing; Described thread bush can also be external thread sleeve, in such cases, can on the internal face of attachment cap, offer internal thread, make thread bush and attachment cap threaded engagement, make thread bush and plug casing only screw and close, thereby make attachment cap and plug casing form screw screw mechanism by thread bush; Described locked groove also can be divided into and plugs together locked groove and separate locked groove, and in such cases, locked groove still possesses antidetonation and loosens function, but does not possess deixis; In order to make the resistance of attachment cap in the time driving the resistance of plug casing while plugging together with socket to be less than it to order about plug casing and separate with socket, the gradient that the two corresponding cell walls of locked groove also can be set realizes, the angle of inclination of two cell walls of locked groove is not waited and can be realized equally, certainly, in such cases, ratchet can replace with fixture block; Described contact can also be all plug light contact or be all plug electric contact piece.
Claims (6)
1. a self-tapping type plug, comprise plug casing, the front end of described plug casing has for plugging together at plug and adaptive socket before putting in place and only revolves the inserting section of inserting with adaptive socket, it is characterized in that, the internal face of inserting section is provided with guide-localization key, on plug casing, be arranged with attachment cap, between described attachment cap and plug casing by with the two in one only screw and close, form screw screw mechanism with the thread bush of another threaded engagement, the attachment cap in the inner front end place of wall is provided with annular groove on the housing for snapping in adaptive socket so that attachment cap and the adaptive socket protruding key that Anti-moving coordinates on fore-and-aft direction, described protruding key have for the bottom land of described annular groove cell wall is slidably matched or matched in clearance so that the outer surface that attachment cap can rotate with respect to adaptive socket, described thread bush only revolves and is assembled together and leads and coordinate on fore-and-aft direction with attachment cap with attachment cap, plug casing and thread bush threaded engagement, rear in thread bush in attachment cap is equipped with baffle ring, between the rear end of thread bush and baffle ring, be top-loaded with ripple spring, between the rear end of thread bush and baffle ring, be provided with the support set of the decrement for limiting ripple spring, support set is looped around around ripple spring, in attachment cap, be provided with around plug casing and with plug casing and only screw the elastic pawl of the arc closing, the outside wall surface of elastic pawl is provided with ratchet, attachment cap is provided with the locked groove that snaps in or deviate from for described ratchet, in the time that attachment cap drives plug and adaptive socket to plug together, the gradient that ratchet is positioned at the side of a side in front in the direction of rotation of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear.
2. self-tapping type plug according to claim 1, is characterized in that, described elastic pawl along fore-and-aft direction and plug casing guiding coordinate and inner wall surface thereof and plug casing between there is the spacing of actuating.
3. self-tapping type plug according to claim 2, it is characterized in that, described locked groove comprises the separation locked groove that plugs together locked groove and supply ratchet to snap in the time that plug separates with adaptive socket snapping in the time that plug plugs together with adaptive socket for ratchet, plug together locked groove and separate the axis laying of locked groove around attachment cap, walk to while plugging together locked groove from described separation locked groove when turn attachment cap makes ratchet, between plug casing and adaptive socket, plug together and put in place.
4. a connector assembly, comprise the plug and socket taking front end as inserted terminal separately, plug comprises plug casing, socket comprises Socket casing, plug casing is provided with plug inserting section in front end, Socket casing is provided with for plugging together at plug and socket before putting in place and only revolves the socket inserting section of inserting with plug inserting section in front end, it is characterized in that, the internal face of plug inserting section is provided with guide-localization key, on Socket casing outer surface, offer coaxial with it annular slot and be provided with and extend to from front to back the guiding groove being communicated with described annular slot in front end, on plug casing, be arranged with attachment cap, between described attachment cap and plug casing by with the two in one only screw and close, form screw screw mechanism with the thread bush of another threaded engagement, the attachment cap in the inner front end place of wall is provided with in the time that plug is pegged graft with socket through guiding groove guiding movement and snaps in annular slot on Socket casing so that the attachment cap protruding key that Anti-moving coordinates on fore-and-aft direction with socket, protruding key have for the bottom land of described annular slot cell wall is slidably matched or matched in clearance so that the outer surface that attachment cap rotates with respect to Socket casing, described thread bush only revolves and is assembled together and leads and coordinate on fore-and-aft direction with attachment cap with attachment cap, plug casing and thread bush threaded engagement, rear in thread bush in attachment cap is equipped with baffle ring, between the rear end of thread bush and baffle ring, be top-loaded with ripple spring, between the rear end of thread bush and baffle ring, be provided with the support set of the decrement for limiting ripple spring, support set is looped around around ripple spring, in attachment cap, be provided with around plug casing and with plug casing and only screw the elastic pawl of the arc closing, the outside wall surface of elastic pawl is provided with ratchet, attachment cap is provided with the locked groove that snaps in or deviate from for described ratchet, in the time that attachment cap drives plug and socket to plug together, the gradient that ratchet is positioned at the side of a side in front in the direction of rotation of attachment cap is greater than it and is positioned at the gradient of the side of a side at rear.
5. connector assembly according to claim 4, is characterized in that, described elastic pawl along fore-and-aft direction and plug casing guiding coordinate and inner wall surface thereof and plug casing between there is the spacing of actuating.
6. connector assembly according to claim 4, it is characterized in that, described locked groove comprises the separation locked groove that plugs together locked groove and supply ratchet to snap in the time that plug separates with socket snapping in the time that plug plugs together with socket for ratchet, plug together locked groove and separate the axis laying of locked groove around attachment cap, walk to while plugging together locked groove from described separation locked groove when turn attachment cap makes ratchet, between plug casing and Socket casing, plug together and put in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210130591.5A CN102655301B (en) | 2012-04-28 | 2012-04-28 | Self-tapping plug and connector assembly using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210130591.5A CN102655301B (en) | 2012-04-28 | 2012-04-28 | Self-tapping plug and connector assembly using same |
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| Publication Number | Publication Date |
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| CN102655301A CN102655301A (en) | 2012-09-05 |
| CN102655301B true CN102655301B (en) | 2014-12-10 |
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| CN201210130591.5A Expired - Fee Related CN102655301B (en) | 2012-04-28 | 2012-04-28 | Self-tapping plug and connector assembly using same |
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| CN106252958B (en) * | 2016-07-29 | 2019-10-08 | 中航光电科技股份有限公司 | A kind of connector |
| CN106252957B (en) * | 2016-07-29 | 2019-06-07 | 中航光电科技股份有限公司 | A kind of anti-rotation tensile connector and connector assembly |
| CN107492982A (en) * | 2017-08-28 | 2017-12-19 | 南阳市领驭机械有限公司 | Novel disc-type braking motor |
| CN107707066A (en) * | 2017-08-28 | 2018-02-16 | 南阳市领驭机械有限公司 | Disc-type brake motor cable seal structure |
| DE102018128203A1 (en) * | 2018-04-04 | 2019-10-10 | Phoenix Contact Gmbh & Co. Kg | Electrical connector part and electrical connector system with lock |
| CN112038834B (en) * | 2020-08-31 | 2021-08-24 | 深圳特思嘉工业电子有限公司 | Novel aerial-plug circular connector |
| CN112421280B (en) * | 2020-10-21 | 2022-05-24 | 合肥市深朝电子有限公司 | Motor wire harness terminal structure |
| CN112490700B (en) * | 2020-11-26 | 2022-07-05 | 江南造船(集团)有限责任公司 | Two-section type electric connector with multi-strand core wires and connecting method thereof |
| CN113964556A (en) * | 2021-10-26 | 2022-01-21 | 贵州华烽电器有限公司 | Connecting structure |
| CN116826466A (en) * | 2023-08-30 | 2023-09-29 | 徐州云泰精密技术有限公司 | Single-core high-voltage connector |
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| CA1070792A (en) * | 1976-07-26 | 1980-01-29 | Earl A. Cooper | Electrical connector and frequency shielding means therefor and method of making same |
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| CN102655301A (en) | 2012-09-05 |
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