Falling connector
阅读说明:本技术 一种脱落连接器 (Falling connector ) 是由 庞卓 白浩雨 曹德胜 陈继利 于 2019-09-29 设计创作,主要内容包括:本发明涉及一种脱落连接器,包括插头和与插头适配的插座,插头包括插头壳体及安装在插头壳体内的锁紧机构,插座包括插座壳体、设于插座壳体内并与锁紧机构配合实现锁止的锁紧圈,插头壳体上还设有锁紧识别装置,锁紧机构中的芯轴穿出插头壳体并设有用于在锁紧机构锁紧时将绝缘滑套压下并使短路插针插入插孔中的盖板,则本发明可以在插头、插座插合后借由锁紧机构带动锁紧识别装置提供识别信号,以此明确判断锁紧与解锁两个状态;本发明还设有便于实现插头径向及轴向进行浮动的浮动安装组件,不仅适应安装误差、适用于高频震动环境下工作,还便于实现插头、插座的自动分离,适用于隐蔽场合中连接器的自动化操作。(The invention relates to a drop connector, which comprises a plug and a socket matched with the plug, wherein the plug comprises a plug shell and a locking mechanism arranged in the plug shell, the socket comprises a socket shell and a locking ring which is arranged in the socket shell and matched with the locking mechanism to realize locking, the plug shell is also provided with a locking identification device, a core shaft in the locking mechanism penetrates out of the plug shell and is provided with a cover plate which is used for pressing an insulating sliding sleeve down and inserting a short-circuit contact pin into a jack when the locking mechanism is locked, and then the locking identification device can be driven by the locking mechanism to provide an identification signal after the plug and the socket are plugged, so that two states of locking and unlocking are definitely judged; the invention is also provided with a floating installation component which is convenient for realizing the radial and axial floating of the plug, thereby not only adapting to the installation error and being suitable for working in a high-frequency vibration environment, but also being convenient for realizing the automatic separation of the plug and the socket and being suitable for the automatic operation of the connector in a hidden occasion.)
1. The utility model provides a connector drops, including the plug and with the socket of plug adaptation, the plug includes plug housing and installs the locking mechanism in plug housing, locking mechanism is including installing the dabber sleeve pipe in plug housing, the direction is slided and is assembled the pressure section of thick bamboo outside the dabber sleeve pipe, the direction slides the dabber of assembly in the dabber sleeve pipe, be equipped with in the dabber sleeve pipe through pressing a section of thick bamboo and the radial spacing unblock steel ball of dabber, the socket includes socket housing, locate the lock ring in the socket housing and locate in the lock ring and with unblock steel ball locking complex locking groove, its characterized in that:
the plug shell is also provided with a locking recognition device, the locking recognition device comprises a fixed outer sleeve, an insulating sliding sleeve which is assembled at the top end inside the fixed outer sleeve in a guiding and sliding manner, and an insulator which is fixedly arranged at the bottom end inside the fixed outer sleeve, two short circuit contact pins which are short-circuited are arranged in the insulating sliding sleeve in parallel, and jacks which are correspondingly inserted with the short circuit contact pins are arranged in the insulator; the top end of the mandrel penetrates out of the plug shell and is provided with a cover plate which is used for pressing down the insulating sliding sleeve and inserting the short circuit contact pin into the jack when the locking mechanism is locked.
2. The breakaway connector of claim 1, wherein: the plug further comprises a floating installation component which is used for fixedly assembling the plug shell and achieving the floating function.
3. The breakaway connector of claim 2, wherein: the floating installation assembly comprises a floating plate and an installation plate, the floating plate is connected with the plug shell through a first floating screw, the installation plate is connected with the floating plate through a second floating screw, and the floating plate is arranged between the cover plate and the plug shell.
4. The breakaway connector of claim 3, wherein: the floating plate is characterized in that spring cylinders for mounting floating springs are arranged on two sides of the floating plate, supporting cylinders sleeved on the floating springs are assembled in the spring cylinders in a guiding sliding mode, and the mounting plates are arranged above the spring cylinders and elastically abutted to the supporting cylinders.
5. The breakaway connector of claim 4, wherein: the bottom end of the jack is a signal connection hole electrically connected with a corresponding signal receiving system.
6. The breakaway connector of any one of claims 1-5, wherein: the bottom end of the insulating sliding sleeve is provided with a guide hole, the top end of the insulating sliding sleeve is provided with a mounting groove, a short circuit plate connected with the top ends of the two short circuit contact pins is arranged in the mounting groove, and the bottom ends of the short circuit contact pins extend to the bottom of the guide hole; the cover is equipped with the insulating sliding sleeve butt and for the insulating sliding sleeve provide by the spring of the reset force of locking state conversion to unblock state.
7. The breakaway connector of claim 6, wherein: the insulator comprises an insulating seat and an insulating pressing plate which are buckled with each other to fix the jack.
8. The breakaway connector of claim 7, wherein: the insulating seat is of a stepped structure consisting of two sections of cylinders with different outer diameters, wherein the small outer diameter cylinder extends upwards to the inside of the guide hole and is used for sleeving the spring, a straight hole communicated with the jack is formed in the top end of the small outer diameter cylinder, and the straight hole is connected with the short circuit contact pin in an inserted mode when the locking mechanism is in an unlocked state, so that a pre-guiding effect is achieved; the inner wall of the fixed outer sleeve is provided with a retaining shoulder matched with the large-diameter cylinder in a retaining way, the retaining shoulder is abutted against the outer wall of the small-diameter cylinder, and the insulating pressing plate is arranged in the fixed outer sleeve through a retaining ring so as to be buckled with the insulating base to realize fixation.
9. The breakaway connector of claim 1, wherein: guide sleeves are arranged on two sides of the socket shell, and guide pins which are in plug-in fit with the guide sleeves and play a role in guiding the socket and the plug in the plugging process are arranged on two sides of the plug shell.
10. The breakaway connector of claim 9, wherein: the bottom end of the guide pin is provided with a guide conical surface which is convenient for being inserted and guided with the guide sleeve.
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a shedding connector.
Background
The existing falling connector is composed of a plug and a socket which are matched, the falling connector adopts socket fixed mounting, the plug is a free end connecting cable, the plug is inserted into the socket by hands during the insertion and the closing to realize the insertion and the closing, a mandrel is pulled during the separation to realize the automatic separation, and a central pull rod locking mechanism is adopted to realize the locking and the positioning between the plug and the socket, and the structural principle is shown in figure 1 and figure 2: the central pull rod locking mechanism mainly comprises a
When the connector is locked, the locking in place can be confirmed only by visual inspection of the position of the mandrel or by the insertion hand feeling, and whether the connector is locked in place can not be confirmed after insertion in an invisible area with narrow space or an area which cannot realize hand feeling by mechanical automatic butt joint. If the connector is not locked, the circuit is easily interrupted due to incorrect separation. When the plug is manually pushed to realize the plugging and locking with the socket, the plugging and the locking become very difficult in the environment that the number of cores of the connector is large, the plugging resistance is large or the space is narrow and the hand can not touch.
Disclosure of Invention
The invention aims to provide a drop-out connector which can provide an identification signal after a plug and a socket are inserted in place so as to prevent circuit interruption caused by error separation, does not need human intervention in the insertion or separation process, and is suitable for automatic operation of the connector in a hidden place.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The invention provides a drop-out connector, which comprises a plug and a socket matched with the plug, wherein the plug comprises a plug shell and a locking mechanism arranged in the plug shell, the locking mechanism comprises a mandrel sleeve arranged in the plug shell, a pressing cylinder assembled outside the mandrel sleeve in a guiding and sliding manner, and a mandrel assembled in the mandrel sleeve in a guiding and sliding manner, an unlocking steel ball for limiting the position in the radial direction through the pressing cylinder and the mandrel is arranged in the mandrel sleeve, the socket comprises a socket shell, a locking ring arranged in the socket shell and a locking groove arranged in the locking ring and matched with the unlocking steel ball in a locking manner, a locking identification device is also arranged on the plug shell, the locking identification device comprises a fixed outer sleeve, an insulating sliding sleeve assembled at the top end in the fixed outer sleeve in a guiding and sliding manner, and an insulator fixedly arranged at the bottom end in the fixed outer sleeve, two short circuit contact pins which, jacks used for being correspondingly inserted with the short circuit contact pins are arranged in the insulator; the top end of the mandrel penetrates out of the plug shell and is provided with a cover plate which is used for pressing down the insulating sliding sleeve and inserting the short circuit contact pin into the jack when the locking mechanism is locked.
The invention is further realized by adopting the following technical scheme.
In the drop connector, the plug further includes a floating mounting assembly for fixedly assembling the plug housing and realizing a floating function.
The connector that drops wherein the installation component that floats includes floating plate, mounting panel, and the floating plate is connected with plug housing through first floating screw, and the mounting panel passes through the second floating screw to be connected with the floating plate, and the floating plate is located between apron and the plug housing.
In the drop connector, the two sides of the floating plate are provided with the spring barrels for mounting the floating springs, the supporting barrels sleeved on the floating springs are assembled in the spring barrels in a guiding and sliding manner, and the mounting plates are arranged above the spring barrels and elastically abutted to the supporting barrels.
In the above drop-out connector, the bottom end of the insertion hole is a signal connection hole electrically connected to the corresponding signal receiving system.
In the drop connector, the bottom end of the insulating sliding sleeve is provided with a guide hole, the top end of the insulating sliding sleeve is provided with a mounting groove, a short circuit plate connected with the top ends of the two short circuit contact pins is arranged in the mounting groove, and the bottom ends of the short circuit contact pins extend to the bottom of the guide hole; the cover is equipped with the insulating sliding sleeve butt and for the insulating sliding sleeve provide by the spring of the reset force of locking state conversion to unblock state.
In the drop connector, the insulator includes an insulating base and an insulating pressing plate which are fastened to fix the socket.
In the drop connector, the insulating base is a stepped structure formed by two sections of cylinders with different outer diameters, wherein the small-outer-diameter cylinder extends upwards into the guide hole and is used for sleeving the spring, the top end of the small-outer-diameter cylinder is provided with a straight hole communicated with the jack, and the straight hole is inserted into the short-circuit contact pin when the locking mechanism is in an unlocked state, so that a pre-guiding effect is achieved; the inner wall of the fixed outer sleeve is provided with a retaining shoulder matched with the large-diameter cylinder in a retaining way, the retaining shoulder is abutted against the outer wall of the small-diameter cylinder, and the insulating pressing plate is arranged in the fixed outer sleeve through a retaining ring so as to be buckled with the insulating base to realize fixation.
In the dropping connector, the guide sleeves are arranged on two sides of the socket shell, and the guide pins which are in splicing fit with the guide sleeves and play a role in guiding the socket and the plug in the plugging process are arranged on two sides of the plug shell.
In the above-mentioned drop connector, the bottom end of the guide pin is provided with a guiding conical surface convenient for inserting and guiding with the guide sleeve.
Compared with the prior art, the drop-off connector provided by the invention at least has the following beneficial effects:
1. the locking mechanism in the drop connector is provided with the locking identification device, the locking identification device gives clear signals of two states of locking and unlocking through the insertion and combination or separation of the short circuit contact pin and the jack, and the state of the locking mechanism is identified through electric signals, so that an operator can clearly judge whether the locking mechanism is in place or not, and circuit interruption caused by mistaken separation due to the fact that the connector works in an unlocked state is prevented.
2. The falling connector can realize the guiding before the plug and the socket are plugged and the floating after the plug and the socket are plugged, can realize the floating in three directions, adapts to the installation error and is extremely suitable for working in a high-frequency vibration environment.
3. The shedding connector solves the automatic plugging and separating problems of a multi-core separation shedding connector (namely the number of contacts arranged in a plug or a socket is large), manual intervention is not needed in the plugging and separating operation process, the socket is driven by a conventional mechanical structure or an electric structure, the core shaft of the plug part can be driven by the floating plate to unlock the locking mechanism, the automatic separation of the plug and the socket is finally realized, the core shaft is not needed to be pulled by hands in the whole separation process, the shedding connector is suitable for the automatic operation of the connector in a hidden occasion, and the automation level of the whole equipment can be obviously improved.
Drawings
Fig. 1 is a schematic structural diagram of a locking mechanism in a conventional drop connector in a state where a plug and a receptacle are separated from each other.
Fig. 2 is a schematic structural diagram of a locking mechanism in a conventional drop connector in a plug and socket mating state.
Fig. 3 is a schematic perspective view illustrating a plug not being inserted into a socket according to an embodiment of the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a sectional view a-a in fig. 4.
Fig. 6 is a perspective view of a receptacle in an embodiment of the invention.
Fig. 7 is a schematic cross-sectional view of a socket in an embodiment of the invention.
Fig. 8 is a schematic structural view of a lock recognition device in an embodiment of the present invention.
Fig. 9 is a schematic view of the plug and the plug after completion of insertion and mating in the present invention.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
A specific embodiment of a drop connector according to the present invention, as shown in fig. 3 to 9, includes a plug and a socket which are adapted to each other, the plug includes a floating installation component, a
The locking mechanism comprises a
The
In this embodiment, the
The socket comprises a socket shell 601 and a
In this embodiment, a plug contact (not shown) is further installed in the plug housing, a socket contact (not shown) adapted to the plug contact is installed in the socket housing, for example, the plug contact is installed in the
Preferably, a
Preferably, a plurality of floating springs can be arranged in parallel at intervals in each spring barrel; the number of the first floating screws is four, and the unilateral gap L1 between each first floating screw and the corresponding mounting hole on the floating plate is 3mm, so that the plug shell can float for 3mm in the radial direction relative to the floating plate; after the plug and the socket are plugged, the gap L2 between the head of the second floating screw and the mounting plate is 3mm, and the gap L3 between the two sides of the floating plate and the bottom of the mounting plate is 3mm, so that the floating plate axially floats +/-3 mm relative to the mounting plate; it should be noted that the present invention does not limit the size of the above-mentioned gaps for floating.
The working process of the invention is as follows:
the plug is fixedly assembled inside the equipment by the mounting plate, and the socket is used as a free end and is driven to move upwards by a mechanical structure or an electric structure to be close to the plug and be plugged with the plug. The plug shown in fig. 3 and 5 is in a state of not being inserted into the socket, and at this time, the locking mechanism is in an unlocked state, and the two shorting
With reference to fig. 9, in the process of inserting the plug into the socket, the guide pin is guided and matched with the guide sleeve to realize radial floating of the plug and automatic alignment of the plug, and a radial gap L1 between the first floating screw and the floating plate provides a structural basis for the automatic alignment of the plug, so that the phenomenon of insufficient insertion due to interference caused by installation errors is avoided; then the locking ring of the socket pushes the pressing cylinder, when the locking
In the process of upward movement of the socket and insertion of the plug, the plug is pushed upwards, so that the plug shell moves upwards to abut against the lower surface of the floating plate, and the floating springs on the two sides of the floating plate are elastically pushed by the supporting cylinder and the mounting plate to play a role in buffering during insertion. The plug and the socket are completely inserted in place to form a state as shown in fig. 9, at the moment, the plug shell can realize radial floating relative to the floating plate, the plug shell and the floating plate can float up and down relative to the mounting plate along the axial direction, and the floating spring is further compressed when floating upwards, so that the connector can be ensured to work under the high-frequency vibration environment after being locked, and can also adapt to mounting errors.
When the plug and the socket are required to be separated, the socket is driven to move downwards by a mechanical structure or an electric structure, the socket can also drive the plug to move downwards for a short distance, but the cover plate is firstly contacted with the floating plate and is in blocking fit with the floating plate, the cover plate pulls the mandrel to move upwards relative to the plug shell under the blocking action of the floating plate until the locking steel balls are extruded into the radial through holes of the mandrel sleeve, the locking mechanism completes unlocking, the plug returns to the state shown in fig. 5, the insulating sliding
In other embodiments, the locking mechanism can also be installed at the socket end, and then the locking identification device is also installed at the socket end, and the locking ring is installed at the plug end; the locking identification device is not limited to be applied to the field of falling-off connectors, and the insulating sliding sleeve can be directly or connected with action or execution components (such as a pull rod, a mandrel, a locking pin and the like) of a locking mechanism in other types of connectors to realize synchronous motion, so that the locking state of the connector can be definitely judged.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.
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