CN103556877B - A kind of solenoid locking mechanism with state feedback function - Google Patents
A kind of solenoid locking mechanism with state feedback function Download PDFInfo
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- CN103556877B CN103556877B CN201310486135.9A CN201310486135A CN103556877B CN 103556877 B CN103556877 B CN 103556877B CN 201310486135 A CN201310486135 A CN 201310486135A CN 103556877 B CN103556877 B CN 103556877B
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Abstract
The invention provides a kind of solenoid locking mechanism with state feedback function, it comprises body, pressure spiral shell, stop pin, spring, shell, coil, iron core and status switch; Pressure spiral shell is assemblied on body threaded one end hole; Stop pin and spring are assemblied in body installing hole, and stop pin one end is pressed spiral shell spacing, the other end by spring retainer, both ends of the spring respectively locked pin step surface and body installing hole bottom surface spacing; Shell is assemblied on the screwed hole of the body other end; Coil is assemblied in shell endoporus, and two ends are spacing by shell step surface; One end of iron core is connected with stop pin by screw thread, and the other end is positioned at coil cavity; Former and later two status switches, are assemblied on the screwed hole of body side.Structure of the present invention is simple, and volume is little, and driving force is large, and can feedback lock mechanism status, in automation main equipment, there is certain application prospect, and the driving force of locking mechanism can be adjusted by change spring and solenoid parameter, has certain compliance.
Description
Technical field
The invention belongs to plant equipment locking mechanism field, specifically a kind of solenoid locking mechanism with state feedback function being applied to automation equipment.
Background technology
Locking mechanism has in modern electronic product to be applied extremely widely.Conventional locking mechanism has manually and automatic two large classes.Manual locking mechanism has the reliable advantage of locking, but higher to the requirement of operating personnel, does not lock when usually there will be ask for something locking, and needs situation about whether discharging when discharging, and thus very easily occurs operating accident.Although the Manual locking mechanism had at present is arranged to electro-mechanical interlock, but still the drawback of complicated operation can not be overcome.
Along with the development of modern industry, automatic technology has been widely used in the aspects such as industry, agricultural, military affairs, scientific research, communications and transportation.Adopt automatic technology not only people can be freed from heavy manual labor, well-behaved mental labour and severe, dangerous working environment, and can greatly raise labour productivity.Therefore, in modernization plant equipment, its locking mechanism many employings the Automation Design.
Automatic locking mechanism Application comparison mainly contains hydraulic locking mechanism, Pneumatic locking mechanism and electromagnetic locking mechanism widely.Hydraulic locking mechanism and Pneumatic locking mechanism must have hydraulic cylinder or pneumatic cylinder, and the corollary system that flap valve, hydraulic pump or pneumatic supply, solenoid operated directional valve etc. are more complicated, application scenario is subject to certain restrictions, and electromagnetic locking mechanism power source is electric energy, corollary system is simple, and range of application is more extensive.
In electromagnetic locking mechanism, solenoid is very important element, can be rectilinear motion by power conversion.Evenly be coiled into solenoid coil by wire in solenoid, its length is much larger than its diameter.When direct current is by producing magnetic field during wire, induction coil becomes an electromagnet, in plunger inspiration solenoid.The motion of plunger is usually used in driving switch, relay or other devices.Owing to directly can control with control circuit, the solenoidal reaction time is very quick.
At present, solenoid is used widely, is common in electronics Pin Ball, dot matrix printer, fuel injection device etc.But the structural strength of solenoid own limits the locking mechanism that it directly cannot be used as automation equipment, general only as driving element.Therefore need to design a kind of solenoid locking mechanism, utilize solenoid to make driving force, experience the signal realization of automation equipment control system to the locking of movement parts in equipment and unblock, the state of feedback lock mechanism, realizes control signal closed loop simultaneously.
Summary of the invention
Based on the problems referred to above, the present invention proposes a kind of solenoid locking mechanism with state feedback function, utilize spring force and solenoidal electromagnetic force as the original power of locking mechanism, in order to solving the locking of automation equipment movement parts, unlock and the problem of feedback states signal.
Technical scheme of the present invention is as follows:
A kind of solenoid locking mechanism with state feedback function, it comprises body, pressure spiral shell, stop pin, spring, shell, coil, iron core and status switch, wherein said body is used for installation and the location of above-mentioned each component, and has locking mechanism and outside Assembly interface; Described pressure spiral shell is assemblied on the screwed hole of described body one end; Described stop pin and spring are assemblied in the installing hole of described body, wherein said stop pin one end is spacing by described pressure spiral shell, the other end by described spring retainer, described both ends of the spring respectively by described stop pin step surface and described body installing hole bottom surface spacing, be in compressive state; Described shell is assemblied on the screwed hole of the described body other end; Described coil is assemblied in shell endoporus, and two ends are spacing by shell step surface; One end of described iron core is connected with described stop pin by screw thread, and the other end is positioned at coil cavity; Described status switch is assemblied on the screwed hole of described body side.
Preferably, described stop pin has annular boss, and the periphery of boss coordinates with body installing hole inner headed face, for the motion of stop pin in body installing hole is led;
Preferably, described body side screwed hole is equipped with former and later two status switches, is respectively used to the locking and unlocking state of feedback lock mechanism.
Preferably, status switch comprises insulation shell, switch spring, electric conductor, felt pad, steel ball and conduction plunger.
Preferably, described insulation shell is provided with counterbore, described counterbore opening part is conical structure, and counterbore bottom surface is provided with two through holes, and it is for assembling described conduction plunger.
Preferably, described switch spring is contained in the described counterbore of described insulation shell, and its one end abuts with described counterbore bottom surface, and the other end abuts with the step surface of electric conductor, is in compressive state.
Operating principle of the present invention is as follows:
Solenoid locking mechanism of the present invention is assemblied in automation equipment by the mechanical interface on body, and the unlocking signal of direct feeling apparatus control system carries out action.
When lock-out state, no current in coil of the present invention, without magnetic field in coil cavity, iron core is not by magneticaction, for free state, both ends of the spring respectively locked pin step surface and body installing hole bottom surface spacing, be in compressive state, storage elasticity potential energy, stop pin one end is pressed spiral shell spacing, the other end is by spring retainer, be in latched position, by the movement parts positive lock on equipment, the boss of stop pin and the contact of anterior status switch simultaneously, anterior status switch closes, and is the lock-out state of apparatus control system feedback lock mechanism.
After the control system of equipment sends unlock command, live stream taken advantage of by coil of the present invention, magnetic field is produced in coil cavity, electromagnetic force is applied to iron core, iron core moves under electromagnetic force in coil cavity, and drive stop pin to overcome spring resistance to move backward, until iron core contacts with shell, now stop pin is in the unlocked position, movement parts on equipment is reliably discharged, the boss of stop pin and the contact of rear portion status switch simultaneously, rear portion status switch closes, and is the released state of apparatus control system feedback lock mechanism.
The present invention's at present successful Application in the rotary table of certain model main equipment, and by the checking of a large amount of engineering tests, indicates its structural strength and Reliability of Microprocessor all can meet design requirement.Structure of the present invention is simple, and volume is little, and reliability is high, successfully solves the locking of equipment moving part, unlocks and the problem of feedback states signal, achieve the automation of equipment locking mechanism.Driving force of the present invention can be adjusted by the parameter changing spring and coil and iron core simultaneously, has certain compliance, has application prospect more widely in automation equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of solenoid locking mechanism when safety position;
Fig. 2 is the structural representation of solenoid locking mechanism when separating guarantor position;
Fig. 3 is solenoid locking mechanism status switch off-state structural representation;
Fig. 4 is solenoid locking mechanism status switch conducting state structural representation.
Mark in figure: 1-stop pin, 2-presses spiral shell, 3-body, 4-spring, 5-iron core, 6-coil, 7-shell, 8-status switch, 801-insulation shell, 802-switch spring, 803-electric conductor, 804-felt pad, 805-steel ball, and 806-conducts electricity plunger.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, the solenoid locking mechanism in the present embodiment comprises stop pin 1, pressure spiral shell 2, body 3, spring 4, iron core 5, coil 6, shell 7 and status switch 8.
Body 3 is provided with installing hole, and installing hole head is provided with screw thread, for installing pressure spiral shell 2; Body 3 bottom centre is provided with screwed hole, and for installing shell 7, body 3 sidewall is provided with two screwed holes, for installment state switch 8, body 3 is provided with external mounting interface, for locking mechanism and external mounting simultaneously.Stop pin 1 is contained in the installing hole of body 3, its one end is bulb, for locking external movement part, the other end is guide peg, and its end face is provided with screwed hole, for installing iron core 5, middle part has annular boss simultaneously, and boss one end end face abuts with pressure spiral shell 2, and other end end face abuts with spring 4, thus making stop pin 1 limited, boss periphery is used for trigger state switch 8.Pressure spiral shell 2 is assemblied in body 3 installing hole head, and one end is by spacing for stop pin 1.Spring 4 is arranged on the guide peg of stop pin 1, and its two ends are connected on stop pin 1 step surface and body 3 installing hole bottom surface respectively.Iron core 5 one end is provided with screw thread, and by Screw assembly on stop pin 1, the other end stretches in the cavity of coil 6.Coil 6 is contained in shell 7 installing hole, and is provided with internal cavities, for accommodating iron core 5.Shell 7 one end is provided with screw thread, and for being connected with body 3, the other end is blind end, and inside is provided with containing hole, for accommodating coil 6 simultaneously.Status switch 8 is assemblied on the screwed hole of body 3 side, is wherein provided with former and later two status switches 8, is respectively used to feedback lock and released state.
Status switch 8 comprises insulation shell 801, switch spring 802, electric conductor 803, felt pad 804, steel ball 805 and conduction plunger 806.Insulation shell 801 is provided with counterbore, and counterbore opening part is conical structure, and counterbore bottom surface is provided with two through holes, for assembling conduction plunger 806.Switch spring 802 is contained in the counterbore of insulation shell 801, and one end abuts with counterbore bottom surface, and the other end abuts with the step surface of electric conductor 803, is in compressive state.Electric conductor 803 is " convex " font structure, and taper end stretches into for guiding in spring, and step surface is connected on switch spring 802, and butt end has counterbore, for accommodating felt pad 804.Felt pad 804 is arranged between electric conductor 803 and steel ball 805, is contained in the counterbore of electric conductor 803 butt end, for insulating between electric conductor 803 and steel ball 805.Steel ball 805 is contained in the counterbore of insulation shell 801, simultaneously spacing by the conical structure of felt pad 804 and insulation shell 801 counterbore opening part, and some volume protrudes from outside counterbore.Two conduction plungers 806 are arranged in two through holes of insulation shell 801 bottom surface.When steel ball 805 be extruded move in counterbore time, the thrust that felt pad 804 and electric conductor 803 can be driven to overcome switch spring 802 is moved to counterbore bottom surface.When electric conductor 803 move to conduct electricity with two plunger 806 contact time, the conducting of two conduction plungers 806, now status switch 8 completion status conversion, transfers conducting state to by off-state.
During assembling, first coil 6 is loaded in shell 7 containing hole, then shell 7 is installed on the body 3 by screw thread, again spring 4 is loaded in body 3 installing hole, by iron core 5 by Screw assembly on stop pin 1, and be coated with moderate lubrication fat at the fitting face place of stop pin 1 and body 3, complete the assembling of stop pin 1 and pressure spiral shell 2 subsequently successively, finally complete the installation of two status switches 8.After mechanism's assembling, anterior status switch 8 is in conducting state, and rear portion status switch is in off-state.
The above; be only the present invention's preferably detailed description of the invention, but the scope of protection of the invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (3)
1. one kind has the solenoid locking mechanism of state feedback function, comprise body (3), pressure spiral shell (2), stop pin (1), spring (4), shell (7), coil (6), iron core (5) and status switch (8), it is characterized in that: described body (3) for the installation of each component and location, and has locking mechanism and outside Assembly interface; Described pressure spiral shell (2) is assemblied on the screwed hole of described body (3) one end; Described stop pin (1) and spring (4) are assemblied in the installing hole of described body (3), wherein said stop pin (1) one end is spacing by described pressure spiral shell (2), the other end is spacing by described spring (4), and described spring (4) two ends respectively by described stop pin (1) step surface and described body (3) installing hole bottom surface spacing, be in compressive state; Described shell (7) is assemblied on the screwed hole of described body (3) other end; Described coil (6) is assemblied in described shell (7) endoporus, and its two ends are spacing by described shell (7) step surface; One end of described iron core (5) is connected with described stop pin (1) by screw thread, and the other end is positioned at described coil cavity; Described status switch is assemblied on the screwed hole of described body side;
Wherein, described status switch (8) comprises insulation shell (801), switch spring (802), electric conductor (803), felt pad (804), steel ball (805) and conduction plunger (806), (801) are provided with counterbore to described insulation shell, described counterbore opening part is conical structure, steel ball (805) is contained in the counterbore of insulation shell (801), counterbore bottom surface is provided with two through holes, two conductions plunger (806) are arranged in two through holes of insulation shell (801) bottom surface, described switch spring (802) is contained in the described counterbore of described insulation shell (801), its one end abuts with described counterbore bottom surface, the other end abuts with the step surface of electric conductor (803), be in compressive state,
Electric conductor (803) is " convex " font structure, taper end stretches in spring for guiding, step surface is connected on switch spring (802), butt end has counterbore, for accommodating felt pad (804), felt pad (804) is arranged between electric conductor (803) and steel ball (805), for insulating between electric conductor (803) and steel ball (805).
2. solenoid locking mechanism according to claim 1, it is characterized in that: described stop pin (1) has annular boss, boss periphery coordinates with described body installing hole inner headed face, for stop pin (1) motion in body installing hole is led.
3. solenoid locking mechanism according to claim 1 and 2, it is characterized in that: described body (3) side screwed hole is equipped with former and later two status switches (8), be respectively used to lock-out state and the released state of feedback lock mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310486135.9A CN103556877B (en) | 2013-10-16 | 2013-10-16 | A kind of solenoid locking mechanism with state feedback function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310486135.9A CN103556877B (en) | 2013-10-16 | 2013-10-16 | A kind of solenoid locking mechanism with state feedback function |
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| Publication Number | Publication Date |
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| CN103556877A CN103556877A (en) | 2014-02-05 |
| CN103556877B true CN103556877B (en) | 2016-01-20 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104921652A (en) * | 2014-03-17 | 2015-09-23 | 科沃斯机器人科技(苏州)有限公司 | Automatic movement device with clamping mechanism |
| CN105185612A (en) * | 2015-11-03 | 2015-12-23 | 贵州华阳电工有限公司 | Reliable and elastic push switch |
| CN105953665A (en) * | 2016-05-30 | 2016-09-21 | 湖北三江航天红林探控有限公司 | Control mechanism |
| CN106836995B (en) * | 2016-12-28 | 2019-04-02 | 重庆市鹏舟机械厂 | A kind of electromagnetism fixator |
| CN109403734A (en) * | 2017-08-15 | 2019-03-01 | 北京市器材厂 | One kind is bolted the door mechanism |
| US20210230905A1 (en) * | 2018-06-11 | 2021-07-29 | Loon Technologies Pte Ltd | Electric drive mechanism for operating a lock |
| CN109950080A (en) * | 2019-04-01 | 2019-06-28 | 西北工业大学 | A kind of location switch for aviation class mechanical lock |
| CN112361874B (en) * | 2020-10-30 | 2022-06-07 | 湖北三江航天红林探控有限公司 | Self-generating device and method |
| CN113581418A (en) * | 2021-09-06 | 2021-11-02 | 四川简达金属构件有限公司 | Dock system of full-water-area self-propelled intelligent oxygenating device |
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| DE102010031697A1 (en) * | 2010-06-23 | 2011-12-29 | Liebherr-Hausgeräte Lienz Gmbh | Cooling and/or freezing apparatus locking and/or unlocking system for protecting cool and frozen food against unauthorized access, has remote controller moved by shut-off unit from locking position to unlocking position |
| CN102456489A (en) * | 2010-10-15 | 2012-05-16 | Ls产电株式会社 | Electromagnetic switching apparatus |
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| CN2152858Y (en) * | 1992-07-11 | 1994-01-12 | 刘国锋 | Integrated electromagnetic lock |
| CN2185775Y (en) * | 1993-04-08 | 1994-12-21 | 陶小京 | Electromagnetic unlocking mechanism for electric lock |
| CN2470479Y (en) * | 2001-04-03 | 2002-01-09 | 蔡小如 | Magnetic-suction electric controlled door-lock |
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| CN103556877A (en) | 2014-02-05 |
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