CN1762074A - Contact plug with means for facilitating disengagement from a socket - Google Patents
Contact plug with means for facilitating disengagement from a socket Download PDFInfo
- Publication number
- CN1762074A CN1762074A CNA2004800076344A CN200480007634A CN1762074A CN 1762074 A CN1762074 A CN 1762074A CN A2004800076344 A CNA2004800076344 A CN A2004800076344A CN 200480007634 A CN200480007634 A CN 200480007634A CN 1762074 A CN1762074 A CN 1762074A
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- contact plug
- relieving attachment
- housing
- relieving
- attachment
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Abstract
A contact plug (1;20;32) mounted on an electric wire (7) and comprising a casing (4;21;33), at least two contact pins (5,6;22,23) projecting from the casing (4;21;33) for detachably engaging a complementarily shaped female connector (2), a dismounting device (13;24;36) having a first (14;26;38) - and a second end part (15;27;37) and mounted in the casing (4;21;33) displaceably between a first position in which the second end part (15;27;37) is at least mainly located in the casing (4;21;33) and a second position in which the second end part (15;27;37) is pushed out of the casing (4;21;33) to the same side as the contact pins (5,6;22,23), an actuator (9;25;34) for displacing the dismounting device (13;24;35) from the first to the second position by means of an application of force on the first end part (14;26;36) of the dismounting device (13;24;35), in said second position at least the greater part of the actuator (9;25;34) is received in a hollowing (8;19;41) in the casing (4;21) and the dismounting device (13;24;35) is extending a distance into the hollowing (8;19;41) in the first position of the dismounting device (13;24;35). The contact plug (1;20;32) is easy to disengage with little strength without pulling the wire (7).
Description
Technical field
The present invention relates to such contact plug: it for example is suitable for being installed on the electric wire, and this plug comprises: a housing; At least two contact plugs, they outwards stretch out from housing, are used for detachably engaging with the recessed connector of shape complementarity; One relieving attachment, it has the first end section and second end section, this relieving attachment is installed in the housing, and can between a primary importance and a second place, move, wherein, on primary importance, the second end section is received within the housing at least substantially, on the second place, the second end section is released from housing, thereby is positioned at a side identical with contact plug; And an actuator, it makes relieving attachment move to the second place from primary importance by apply active force on the first end section of relieving attachment.
Background technology
In order to satisfy internal and international standard, present manyly electrically contact plug and all adopted circular and thicker contact plug relatively.Thereby, especially in the equipment of old type, contact plug to patch cooperation very tight usually, reason is what old equipment normally designed for insertion flat or carefully thin contact plug.
Thereby in many cases, the operation of extracting contact plug (for example extracting) from outlet is inconvenient.Outlet can be worn, and it is loosening to become in wall brick gradually, and makes the circuit connection become insecure.Loosening outlet can increase the risk of short circuit and electric shock.
Suffer from rheumatismal personnel of hand or hand-power amount because other personnel former thereby that weaken find following action is unusual difficulty: for example catch a contact plug and it is extracted from socket or outlet.Especially the contact plug on the small household appliance (for example vacuum cleaner or electric iron) must often be inserted in socket or the outlet or from socket/outlet and pull out.By the drawing electric wire plug is pulled out often, the consequence of making is exactly to exist the stube cable that makes contact plug, socket or outlet and connected that the risk of overload or damage takes place like this.
In addition, also be to be difficult to throw off fastening circuit connecting relation between this protruding connector and the recessed connector only with a hand.
German patent document DE 19832648A1 discloses the trial scheme that solves these defectives by a kind of contact plug.Described contact plug is configured to have an actuator, and it securely is connected with a relieving attachment.Under all scenario, the actuator of this existing contact plug all will stretch out from housing.If it is rolled-up or around rising, just being got around during up to next wiring to have the electric wire of this contact plug, then exist electric wire to take place to tangle and hook is lived the risk of actuator.If the user is unaware of this point, then being fastenedly connected between actuator and the relieving attachment just has ruined possibility.When each contact plug will be extracted, be connected the effect that will be subjected to very big load between actuator and the relieving attachment from socket or outlet, its result exist exactly ruined may.
German patent document DE 19513170A1 discloses a kind of contact plug, and it has the relieving attachment and an actuator that pivots and install of a T shape.Relieving attachment has one and is used for pushing contact plug so that its pressing plate of deviating from from the socket at place.The active force that is loaded on the actuator is distributed on the whole pressing plate, thereby must uses relatively large active force to push contact plug so that its disengaging.In addition, in use pressing plate has occupied the part in space between contact plug and socket or the outlet, thereby, the shaped design of contact plug must be become contact plug have king-sized length, to guarantee to form necessary electrically contacting.Contact plug extends through the impurity that deposits on hole on the pressing plate and the pressing plate, is installed into when being connected with the socket holding circuit at contact plug, and the housing of contact plug and contact plug will stop relieving attachment to reset on the contact plug.
Summary of the invention
Utilization tries hard to overcome above-mentioned defective according to contact plug of the present invention.
According to first aspect, the invention provides a kind of contact plug, it just can be extracted this contact plug by means of very little strength from the recessed connector of the moon.
According to a second aspect of the invention, a kind of contact plug is provided, can under the situation that connector or electric equipment is not caused damage, contact plug be extracted the recessed connector from the moon.
According to the present invention, unique feature is achieved above-mentioned purpose by a novelty, this is characterised in that: make a recess in housing, it is positioned on the side relative with contact plug, be used for holding when relieving attachment is in the second place at least a portion of actuator, this concave depth allows the first end section of relieving attachment to extend to when relieving attachment is in primary importance in this recess.
Relieving attachment extends to distance in the recess actuator that will advantageously raise, and the degree that raises is enough to make actuator to detach from recess, thereby, if when contact plug thrown off from the recessed connector of the moon, can manually operate to actuator.
If relieving attachment its first parts when primary importance extend in the recess length corresponding to or greater than concave depth, then can separate contact plug and cloudy recessed connector according to being easy to mode especially.
In first execution mode of the present invention, recess can be the groove that transversely extends in relieving attachment.
But this execution mode does not also mean that limitation of the invention, and reason is that recess also can be formed on the length direction of relieving attachment.
Advantageously, according to a kind of simple mode, when relieving attachment is in the second place, the actuator of making arm spare form can completely or partially be received in the groove, wherein, arm spare comprises first end and second end, and first end of arm spare is installed in the groove pivotally, and when relieving attachment was in primary importance, second end of arm spare was positioned at the outside of groove.
Advantageously, first end of arm spare is suspended in the recess pivotly, and be in the plane, relieving attachment and the Plane intersects parallel with the relieving attachment longitudinal axis are passed with one in this plane, thereby when arm spare is pivoted in the groove, it will strike relieving attachment, and influence this relieving attachment with enough big active force, to overcome the joint between the connector.
When relieving attachment is in primary importance, second end of arm spare will break away from groove, for example can manually operate this second end by means of pointing, thereby, by means of the conversion of power, pushing force can be delivered to the point of application place between arm spare and the relieving attachment.
The point of application is big more apart from the ratio between the distance of arm spare axis of rotation apart from the distance of arm spare second end and its, the active force that acts on arm spare second end is more little, and this active force is meant in order to obtain the active force that enough big pushing force must manually apply to throw off the engagement relationship between contact plug and the cloudy recessed connector.
In second preferred implementation according to contact plug of the present invention, described recess can be made into the form of passage, its from an opening extend to the housing-direction is passed this housing along a straight line, preferably, the horizontal direction of relieving attachment, the shape of actuator then is designed to a slide block, and it is installed in this passage movably.
By utilizing finger at the exert pressure active force of form of slide block first end that stretches out from passage, make slide block move to an enable position, can easily operate this slide block thus, wherein, on described enable position, slide block is pushed a segment distance and enters into passage, and in this process, relieving attachment is moved on its second place.
In the contact plug of design in this manner, the active force that is applied on sliding the determining can be transferred in the relieving attachment simply.
Advantageously, relieving attachment is parallel to contact plug extends, and by only triggering actuator with a hand, just can start this relieving attachment.Under the situation between the contact plug, these contact plugs will have such effect in relieving attachment: during projection, can protect relieving attachment to prevent its bending in relieving attachment between contact plug.But relieving attachment can be disposed on the arbitrary plane in the housing, as long as can obtain sufficiently long arm on this plane, so that can apply the active force of necessity, thus relieving attachment is moved to the second place from its primary importance.
Such fit form has been adopted in the relieving attachment that is installed in movably in the housing: frictional force or chucking power can remain on unloaded state with relieving attachment.If contact plug will be used as common contact plug, then relieving attachment can be removed from contact plug.Said circumstances for example is such situation: contact plug will be used on the fixed installation, rather than is used on the provisional equipment.
Be alternatively, the second end section of relieving attachment has a pressure base, and when being in primary importance, this pedestal is received within the depression of housing.Advantageously, pressure base can have certain yardstick, and this yardstick is no more than the distance between the contact plug.
In a preferred embodiment, can obtain relieving attachment is especially effectively driven by means of following measure: with the contacted zone of relieving attachment in, be shaped on an inclined-plane on the slide block, it becomes the angle of non-self-locking with the longitudinal direction of relieving attachment.This angle can be between 30 ° to 60 °, but preferably between 40 ° to 50 °.
Except the first end section of relieving attachment being designed to have the inclined-plane of equal angular substantially with slide block, active force can pass to relieving attachment through bigger contact-making surface from actuator, can guarantee the useful effect of unloading mechanism thus, and reduce the wearing and tearing on its working position.
Description of drawings
Hereinafter introduce the present invention with reference to the accompanying drawings in more detail, but execution mode described below only is exemplary, in the accompanying drawings:
Axonometric drawing among Fig. 1 has been represented first execution mode according to contact plug of the present invention, the relieving attachment among the figure is in the second place, and the figure shows out the part of the socket that contact plug will connect;
Fig. 2 has represented the contact plug among Fig. 1, but in the figure, relieving attachment is in primary importance, and meanwhile, contact plug is coupled on the socket;
Fig. 3 is the show in schematic partial sections of being done along the III-III line among Fig. 1;
Fig. 4 is the show in schematic partial sections of being done along the IV-IV line among Fig. 2;
Axonometric drawing among Fig. 5 has been represented second execution mode according to contact plug of the present invention, the relieving attachment among the figure is in the second place, and the figure shows out the part of the socket that contact plug will connect;
Fig. 6 has represented the contact plug among Fig. 5, but in the figure, relieving attachment is in primary importance, and on this position, contact plug is coupled on the socket;
Fig. 7 is the show in schematic partial sections of being done along the VII-VII line among Fig. 5;
Fig. 8 is the show in schematic partial sections of being done along the VIII-VIII line among Fig. 6;
Schematic partial sectional view has represented to be in the 3rd execution mode of the second place among Fig. 9; And
Figure 10 is the schematic diagram of execution mode shown in Figure 9 when being in primary importance.
Embodiment
Fig. 1,2 has represented first execution mode according to contact plug of the present invention, and this contact plug is referred to by number designation 1 in the drawings generally.Guided on the direction of contact plug arrow a in Fig. 1, engaged with cloudy recessed connector 2 in the common socket (referring to by number designation 3 generally).In Fig. 2, contact plug connects together with socket 3.This part content does not belong to scope of the present invention in itself, thereby hereinafter is not described in detail to this.
Contact plug 1 has: a housing 4; Two contact plugs 5,6; One electric wire 7, it is installed in the housing 4; Recess on housing 4, it is the form of groove 8, and is positioned at a side opposite with contact plug 5,6; And an actuator arm spare 9, it is positioned at described groove 8.Arm spare 9 is installed into and can pivots around the axis of rotation 10 that is positioned at its first end 11, and arm spare 9 also has one second end 12, and in Fig. 1, this second end is received in the groove 8 fully.In addition, contact plug 1 has an elongated relieving attachment 13, and it has a first end section 14 and a second end section 15, and second end section 15 has a pressure base 16, and in Fig. 2, this pedestal 16 is received within on housing 4 contact-making surfaces 18 one depression 17.Contact plug stretches out from this contact-making surface.
Can be clear that the most that from Fig. 3 the relieving attachment 13 between contact plug 5,6 is extended a distance x and is in the second place shown in Figure 1 from housing 4.Can be clear that the most that from Fig. 4 this is apart from x lifts arm spare 9 corresponding to relieving attachment 13 first end sections 14 from groove 8 maximum lift, in the case, relieving attachment 13 is in primary importance shown in Figure 2.
By utilizing a directed force F that contact plug is become state shown in Figure 3 from state shown in Figure 4, arm spare 9 can be pressed downward in the groove 8, thus, utilize the conversion of power force transmission to be given the first end section 14 of relieving attachment 13.This conversion of power is corresponding to the ratio between two distances, one of them distance be from application point between arm spare 9 and the relieving attachment 13 to the distance arm spare 9 second ends 12, another is apart from being to the distance the arm spare axis of rotation 10 from described application point.
Fig. 5,6 has represented second execution mode according to contact plug 20 of the present invention, and this plug is installed in the contact wire, and is used for connecting with a socket 2.Contact plug 20 is by constituting as lower member: a housing 21, two contact plugs 22 and 23, one relieving attachment 24 and a slide block 25.Relieving attachment 24 has one first end 26 and one second end 28, and first end 26 wherein has an inclined-plane 27 that is about 45 °.Relieving attachment 24 and is extended with these contact plugs between contact plug 22,23 abreast.Slide block has one first free end 29 and one second end 30, and second end wherein is received within the passage 31.Fig. 7,8 has at length represented the structure of contact plug 20, contact plug 20 is installed in the cloudy recessed connector 3 of socket 2 according to the direction of arrow b, in this process, relieving attachment 24 is pushed in the housing 21, and the free end 29 of slide block 25 is released in the passage from housing 24 31.
Fig. 7 has represented when relieving attachment 24 is in the second place, how interactional slide block 25 is with relieving attachment 24.Second end 30 of slide block 25 has an inclined-plane that is about 45 °, and this angle is corresponding to the angle of relieving attachment 24 ramps 27.
In order to make relieving attachment 24 be in the second place shown in Figure 7, utilize a directed force F that first end 29 of slide block 25 is applied effect, make inclined-plane on slide block 25 second ends 30 27 slide along the inclined-plane on relieving attachment 24 first ends 26.Make relieving attachment on the direction of contact plug 22,23, from housing 21, outwards moving a segment distance thus, in this process, with contact plug 22,23 from the recessed connector 3 of the moon at least in part drawing go out.
Fig. 8 has represented when relieving attachment 24 is in primary importance, how interactional slide block 25 is with relieving attachment 24.
When relieving attachment was in primary importance, the active force of 3 pairs of relieving attachment 24 second ends 28 of cloudy recessed connector was N.In this process, the inclined-plane 27 of relieving attachment 24 first ends 26 is designed to slide to the inclined-plane of slide block 25 second ends 30, and this will release first end of slide block 25 from housing 21.
Fig. 9 and Figure 10 have represented the 3rd execution mode according to contact plug 32 of the present invention.Contact plug 32 is remodeling forms of contact plug 1 shown in Fig. 3,4.Same parts will refer to similar label.
Contact plug 32 has rotation arm spare 34, a relieving attachment 35 and two contact plugs 5 and 6 of a housing 33, a hollow.Relieving attachment has a first end section 36 and a second end section 37, and the second end section has a pressure base 16, and when relieving attachment 35 was in primary importance, pedestal was received within the depression 17.
One section silk thread 7 passes the rotation arm spare 34 of hollow.This arm spare has first end 38 and second end 39 that is used for this actuator of manual operation that is used to drive relieving attachment 35, utilizes an active force that manually applies relieving attachment can be pressed to the second place from a primary importance.But rotation arm spare around one be arranged in recess 41 axis of rotation 40 rotations be installed with, recess 41 is positioned on the housing 33 side opposite with contact plug 5,6.When relieving attachment 35 was in primary importance shown in Figure 10, the rotation arm spare 34 that has silk thread section 7 was received within the recess 41.If utilize active force-F ' tractive silk thread, then rotation arm spare 34 will vert, thus relieving attachment is pressed to the second place shown in Figure 9 from primary importance shown in Figure 10, on this second place, contact plug is extracted from socket 2, perhaps is easy to extract from socket 2.
Extend through at silk thread 7 under the situation of rotation arm spare 34, silk thread 7 becomes the useful prolongation of arm spare, makes that the arm of force between center of rotation 40 and rotation arm spare 34 second ends 39 reaches z.Thereby silk thread 7 can be used to advantageously increase the conversion of power, by means of the conversion of power, the manual force that acts on the actuator can be delivered in the relieving attachment.
If cloudy recessed connector is positioned at an extremely difficult approaching position, then this execution mode is especially favourable.
Thrown off fully so that easily they are separated in order to ensure contact plug and cloudy recessed connector, the length that the relieving attachment second end section stretches out from housing should be 0.2 times to 1.2 times of contact plug length, between 0.6 to 1.1 times, particularly advantageously be between 0.8 to 1.0 times preferably.
Within the scope of the invention, as alternative, contact plug 1 shown in Fig. 1,2 also can have actuator shown in Fig. 7,8 and relieving attachment, and the contact plug shown in Fig. 5,6 can be shaped on the actuator of rotation arm spare form, and this rotation arm spare is received within the housing.
Claims (11)
1. contact plug (1; 20; 32), it for example is suitable for being installed on the electric wire (7), and this plug comprises:
-housing (4; 21; 33);
-at least two contact plugs (5,6; 22,23), they are from housing (4; 21; 33) outwards stretch out, be used for detachably engaging with the cloudy recessed connector (2) of shape complementarity;
-relieving attachment (13; 24; 35), it has first end section (14; 26; 36) and second end section (15; 28; 37), this relieving attachment is installed in housing (4; 21; 33) in, and can between a primary importance and a second place, move, wherein, on primary importance, second end section (15; 28; 37) be received within housing (4 at least substantially; 21; 33) in, on the second place, second end section (15; 28; 37) by from housing (4; 21; 33) release in and contact plug (5,6; 22, a 23) identical side;
-actuator (9; 25; 34), it passes through in relieving attachment (13; 24; 35) first end section (14; 26; 36) apply active force on and make relieving attachment (13; 24; 35) move to the second place from primary importance;
-built in housing (4; 21; 33) recess (8 in; 31; 41), it is positioned at and contact plug (5,6; 22, a 23) opposite side is used in relieving attachment (13; 24; Hold actuator (9 when 35) being in the second place; 25; 34) at least a portion, this concave depth allows relieving attachment (13; 24; 35) first end section (14; 26; 37) in relieving attachment (13; 24; Extend to this recess (8 when 35) being in primary importance; 31; 41) in.
2. contact plug according to claim 1 (1) is characterized in that:
Described recess is formed in the groove (8) that relieving attachment (13) is transversely extended; And
Actuator (9) has arm spare, and first end (11) of arm spare is pivotably mounted in the groove (8), and arm spare also has second end (12), and when being in primary importance, second end (12) is positioned at the outside of groove (8) in relieving attachment (13).
3. contact plug according to claim 1 (32) is characterized in that:
Described recess is formed in the groove (41) that relieving attachment (35) is transversely extended; And
Actuator (34) has arm spare, and first end (38) of arm spare is pivotably mounted in the groove (41), and arm spare also has one second end (39), and when being in primary importance, second end (39) is arranged in groove (41) in relieving attachment (35).
4. contact plug according to claim 1 (20), it is characterized in that: recess is made into the form of passage (31), passage extends to the housing (21) from the horizontal direction of an opening edge and relieving attachment (24), actuator is a slide block (25), it is movably mounted in passage (31), and can move between primary importance and the enable position freely one, on primary importance, slide block stretches out from passage (31), on enable position, slide block (25) is pushed into a segment distance in the passage (31), and relieving attachment (24) is moved on its second place.
5. contact plug according to claim 4 (20) is characterized in that: passage (31) passes housing (21) along straight-line extension.
6. according to claim 4 or 5 described contact plugs (20), it is characterized in that: with the contacted zone of relieving attachment (24) in, slide block (25) is shaped on an inclined-plane, its longitudinal direction with relieving attachment (24) becomes the oblique angle of non-self-locking.
7. according to the described contact plug (1 of one of claim 1 to 6; 20; 32), it is characterized in that: relieving attachment (13; 24; 35) be parallel to contact plug (5,6; 22,23) extend.
8. according to the described contact plug (1 of one of claim 1 to 7; 20; 32), it is characterized in that: relieving attachment (13; 24; 35) be arranged on housing (4 movably with certain fit system; 21; 33) in, fit system wherein makes housing (4; 21; 33) relieving attachment is applied a frictional force.
9. according to the described contact plug (1 of one of claim 1 to 8; 20; 32), it is characterized in that: relieving attachment (13; 24; 35) second end section (15; 28; 37) has pressure base (16), in relieving attachment (13; 24; When 35) being in primary importance, this pressure base is received within housing (4; 21; 33) in the depression (17).
10. according to the described contact plug of one of claim 6 to 9 (20), it is characterized in that: the first end section of relieving attachment (26) tilt at least substantially and the identical angle of slide block (25).
11. according to the described contact plug (1 of one of claim 1 to 10; 20; 32), it is characterized in that: in relieving attachment (13; 24; When 35) being in its second place, relieving attachment (13; 24; 35) second end section (15; 28; 37) from housing (4; 21; 33) length that stretches out is contact plug (5,6; 22,23) between 0.2 of length times to 1.2 times, preferably between 0.6 to 1.1 times, particularly advantageous is between 0.8 to 1.0 times.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200300246 | 2003-02-18 | ||
DKPA200300246 | 2003-02-18 | ||
DKPA200400106 | 2004-01-27 |
Publications (1)
Publication Number | Publication Date |
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CN1762074A true CN1762074A (en) | 2006-04-19 |
Family
ID=36707399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2004800076344A Pending CN1762074A (en) | 2003-02-18 | 2004-02-10 | Contact plug with means for facilitating disengagement from a socket |
Country Status (1)
Country | Link |
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CN (1) | CN1762074A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107749536A (en) * | 2017-11-16 | 2018-03-02 | 江门市高盟电业有限公司 | One kind is with tagged wire and plug |
CN110235315A (en) * | 2017-08-17 | 2019-09-13 | 东山电子株式会社 | Plug |
-
2004
- 2004-02-10 CN CNA2004800076344A patent/CN1762074A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110235315A (en) * | 2017-08-17 | 2019-09-13 | 东山电子株式会社 | Plug |
CN107749536A (en) * | 2017-11-16 | 2018-03-02 | 江门市高盟电业有限公司 | One kind is with tagged wire and plug |
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