CN109935478A - A kind of mechanical switch with contact isolation insurance - Google Patents
A kind of mechanical switch with contact isolation insurance Download PDFInfo
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- CN109935478A CN109935478A CN201910007742.XA CN201910007742A CN109935478A CN 109935478 A CN109935478 A CN 109935478A CN 201910007742 A CN201910007742 A CN 201910007742A CN 109935478 A CN109935478 A CN 109935478A
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- 238000007906 compression Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The invention discloses a kind of mechanical switch with contact isolation insurance, and the gantry on the both sides including catch bar, the moving direction configured by elastic slice connection in catch bar, the contact bridge being connected on two gantries, the movable contact that contact bridge both ends are arranged in and configuration are in the quiet spring for corresponding to movable contact position;In two gantries, recess opening out in the horizontal direction is respectively equipped in opposite outside, isolation boss is equipped in the outer space of groove location for corresponding to gantry, make the gantry of another side under the effect of another elastic slice in the horizontal direction towards when the movement of another side lateral direction when being broken occurs in the elastic slice that the gantry on wherein one side is connected, enter the isolation boss of another side in the groove of another side gantry, and by the mutual limit between isolation boss and groove, allows and keep isolation between movable contact corresponding to the gantry of another side and corresponding quiet spring.With this structure, when can effectively ensure that the fracture of one of elastic slice, being effectively isolated between movable contact and quiet spring is realized.
Description
Technical field
The present invention relates to switching technique fields, more particularly to a kind of mechanical switch with contact isolation insurance.
Background technique
Mechanical switch is the device for making contact disconnecting circuit by mechanically actuated, connecting circuit or conversion circuit.Existing skill
A kind of mechanical switch of art, as shown in Figure 1 to Figure 3, state signal when Fig. 1 is the mechanical switch normal-closed end work of the prior art
Figure, status diagram when Fig. 2 is the mechanical switch normally open end work of the prior art, Fig. 3 is the mechanical switch bullet of the prior art
Status diagram when piece is broken, the mechanical switch include shell and are mounted on intracorporal two, shell normally closed quiet springs 101,102, two
Normally opened 401,402, two gantries 501 of movable contact of the normally opened quiet spring 301,302, two of a normally closed movable contact 201,202, two,
502, two elastic slices, 601,602, catch bars 700 and two contact bridges 801,802;Contact bridge 801 be connected to two it is normally closed
Between movable contact 201,202, contact bridge 802 is connected between two normally opened movable contacts 401,402;Catch bar 700 is substantially in perpendicular
To setting, two contact bridges 801,802 substantially in laterally setting, two gantries 501,502 respectively with two contact bridges 801,802
It mutually fixes and divides the both sides for being in catch bar 700, an elastic slice 601 is connected between catch bar 700 and gantry 501, another
Elastic slice 602 is connected between catch bar 700 and gantry 502, to form mechanical switch.When catch bar 700 is mobile, catch bar
700 drive gantry 501,502 mobile by elastic slice 601,602, and gantry 501,502 drives contact bridge 801,802 and again by connecing
Touching bridge 801,802 drives normally closed movable contact 201,202 and normally opened movable contact 401,402 mobile, contact change-over is realized, when machinery is opened
It is normal by the normally closed movable contact 202- of the normally closed quiet normally closed movable contact 201- contact bridge 801- of spring 101- when closing in normal-closed end working condition
The line conduction (as shown in Figure 1) that quiet spring 102 is constituted is closed, when mechanical switch is in normally open end working condition, by normally opened quiet spring
The line conduction that the normally opened quiet spring 302 of the normally opened movable contact 402- of the normally opened movable contact 401- contact bridge 802- of 301- is constituted is (such as Fig. 2 institute
Show), when elastic slice (elastic slice 602 in such as Fig. 3) is broken, break gantry balance, the contact sets of connection are (as shown in figure 1
Normally closed movable contact 201,202, normally closed quiet spring 101,102) will be unable to implement to influence and be isolated by catch bar 700, thus also
It not can avoid and switch long logical and caused to external control adverse effect.In order to avoid gantry balance is broken caused disadvantage
It holds, in existing technology, is then to use a kind of spacing contact structure to avoid above-mentioned influence, is in gantry by the way of
501, wedge block is designed on 502, then design slide ramp on the shell, as shown in figure 3, working as one of them of elastic slice 601,602
When elastic slice 602 is broken, another elastic slice 601 will push the wedge block of gantry 501 along laterally (i.e. perpendicular to catch bar 700
The direction of motion) sliding, form normally closed movable contact 201 with normally closed quiet spring 101 and misplace, gantry 501,502 and contact bridge 801,
When black box composed by 802 is fallen down, normally closed movable contact 201 will not be in contact with normally closed quiet spring 101, reach make it is normally closed quiet
The purpose that normally closed quiet 102 route of spring of the normally closed movable contact 202- of the normally closed movable contact 201- contact bridge 801- of spring 101- is not turned on.But
The spacing contact structure of this mechanical switch is then needed due to needing to realize that normally closed movable contact 201 is separated with normally closed quiet spring 101
Gantry 501,502 slides relatively long distance, and the long elastic slice 601 that may result in of sliding distance takes off between gantry 501 and catch bar 700
Fall, the wedge block for falling off and will lead to the gantry 501 that it is connected of elastic slice 601 can not achieve normally closed movable contact 201 with it is normally closed
It is normal to can not achieve the normally closed movable contact 202- of the normally closed normally closed movable contact 201- contact bridge 801- of quiet spring 101- for the isolation of quiet spring 101
Being not turned on for quiet 102 route of spring is closed, to affect the normal use of mechanical switch.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provide it is a kind of with contact isolation insurance machinery open
It closes, is improved by structure, can effectively ensure that when gantry balance is broken namely one of elastic slice fracture, realize dynamic
Being effectively isolated between contact and quiet spring simultaneously plays safety effect.
The technical solution adopted by the present invention to solve the technical problems is: it is a kind of with contact isolation insurance machinery open
It closes, vertically movable catch bar, connects to configure by corresponding elastic slice and pushing away including that can be controlled by external mechanical actions
The contact bridge being laterally connected on two gantries, the dynamic of contact bridge both ends is arranged in the gantry on the both sides of the moving direction of lever
Contact and configuration are in the quiet spring for corresponding to movable contact position;In described two gantries, it is respectively equipped in opposite outside along level
The groove of the outwardly open pass-through type in direction is equipped with isolation boss in the outer space of groove location for corresponding to gantry, when
Being broken and making the gantry of another side horizontal in another elastic slice effect lower edge occur in the elastic slice that wherein gantry on one side is connected
Direction towards another side lateral direction move when, enter the isolation boss of another side in the groove of another side gantry, and by every
From the mutual limit between boss and groove, allow between movable contact corresponding to the gantry of another side and corresponding quiet spring keep every
From.
The contact bridge is two, and two contact bridges are connected to described two gantries with being generally parallel to each other;The quiet spring
Including two normally closed quiet springs and two normally opened quiet springs, the movable contact includes two normally closed movable contacts and two normally opened movable contacts;
Described two normally closed movable contacts, two normally opened movable contacts are connected to the both ends of two contact bridges, and are distributed in upside one
Below the upper surface of contact bridge and the contact bridge of downside one, the normally closed quiet spring is located at the position opposite with normally closed movable contact, institute
It states normally opened quiet spring and is located at the position opposite with normally opened movable contact;It is described isolation boss be arranged in same one side normally closed movable contact and often
It starts between contact.
Described two gantries respectively include upper clamping part for assembling one contact bridge in upside and for assembling downside one
The lower clamping part of a contact bridge;The groove is located between clamping part and lower clamping part.
In the isolation boss, equipped with the arcwall face or inclined-plane convenient for being directed into corresponding groove.
Described two gantries are being respectively equipped with a groove corresponding to the both sides for moving horizontally direction, and each groove is right respectively
Answer an isolation boss;In the groove corresponding to the both sides for moving horizontally direction of the gantry, it is additionally provided with to corresponding sides pass-out
Opening so that allow the isolation boss of corresponding sides along it is described opening move;In the isolation boss of the corresponding sides, towards described right
The face for answering the opening of side pass-out is arcwall face or inclined-plane.
The cross sectional shape of the cross-sectional direction corresponding to contact bridge of the isolation boss is triangle or circle or ellipse
Shape.
Further, further include that the gantry, contact bridge, movable contact and quiet spring are contained in intracavitary shell, be configured at
Integrally it is located at two opposite side-walls of shell respectively with two isolation boss of the gantry on one side.
It further, further include the stop block being arranged in except the opposite exterior lateral sides of described two gantries, and stop block is located at
At the upper clamping part of gantry and/or the position of lower clamping part, to be used to limit gantry in the horizontal direction towards lateral direction
Overexercise, to keep elastic slice in preset compression zone.
The stop block and the isolation boss link into an integrated entity.
In the upper clamping part of the gantry and lower clamping part, on the both sides for the center line that the horizontal direction along gantry moves
It is set to inclined-plane, each inclined-plane respectively corresponds a stop block.
Two stop blocks for being configured at the upper clamping part of same one side gantry and/or the both sides of lower clamping part are integrally located at respectively
Two opposite side-walls of shell, and stop block is less than the edge of upper clamping part or lower clamping part to the distance of the center line
To the distance of the center line.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is outwardly open logical in the horizontal direction due to being respectively equipped with using the opposite exterior lateral sides in two gantries
The groove of saturating formula is equipped with isolation boss in the outer space of groove location for corresponding to gantry, when the gantry institute on wherein one side
The elastic slice of connection occurs being broken and makes the gantry of another side under the effect of another elastic slice in the horizontal direction towards on the outside of another side
When direction moves, enter the isolation boss of another side in the groove of another side gantry, and by between isolation boss and groove
Mutual limit, allow between movable contact corresponding to the gantry of another side and corresponding quiet spring keep isolation.This knot of the invention
Structure is to be matched so that the groove of boss and gantry is isolated as spacing contact structure, can be when one side elastic slice is broken, using another
One side elastic slice enters the isolation boss of another side in the groove of another side gantry under the drive that catch bar moves, by every
From the mutual limit between boss and groove, allow between movable contact corresponding to the gantry of another side and corresponding quiet spring keep every
From so as to which the isolation in elastic slice fracture between realization movable contact and quiet spring is effectively ensured and plays safety effect.
2, the present invention is additionally provided with stop block due to using except the opposite exterior lateral sides of gantry, and stop block is located at correspondence
It is excessive towards lateral direction in the horizontal direction to be used to limit gantry at the upper clamping part of gantry and/or the position of lower clamping part
Movement, to keep elastic slice in preset compression zone.This structure of the invention is the upper clamping with stop block and gantry
The supplementing structure of portion and/or lower clamping part as spacing contact can limit gantry and excessively transport towards lateral direction in the horizontal direction
It moves and elastic slice is caused to fall off between gantry and catch bar, realize dynamic touching in elastic slice fracture so as to further be effectively ensured
Point quiet spring between isolation and play safety effect.
Invention is further described in detail with reference to the accompanying drawings and embodiments;But one kind of the invention have contact every
Mechanical switch from insurance is not limited to the embodiment.
Detailed description of the invention
Status diagram when Fig. 1 is the mechanical switch normal-closed end work of the prior art;
Status diagram when Fig. 2 is the mechanical switch normally open end work of the prior art;
Status diagram when Fig. 3 is the mechanical switch elastic slice fracture of the prior art;
Fig. 4 is the normally closed working state schematic representation of the present invention;
Fig. 5 is the cross-sectional view of the line A-A in Fig. 4;
Fig. 6 is the cross-sectional view of the line B-B in Fig. 4;
Fig. 7 is the normally closed working condition elastic slice fracture moment schematic diagram of the present invention;
Fig. 8 is the cross-sectional view of the line C-C in Fig. 7;
Fig. 9 is the D structure schematic diagram of gantry of the invention;
Figure 10 (a) is the portion the D enlarged diagram (isolation boss and groove process one) in Fig. 8;
Figure 10 (b) is the portion the D enlarged diagram (isolation boss and groove process two) in Fig. 8;
Figure 10 (c) is the portion the D enlarged diagram (isolation boss and groove process three) in Fig. 8;
Figure 10 (d) is the portion the D enlarged diagram (isolation boss and groove process four) in Fig. 8;
Figure 11 is the normally closed working condition elastic slice breaking state schematic diagram of the present invention;
Figure 12 is the cross-sectional view of the E-E line in Figure 11;
Figure 13 is the cross-sectional view of the F-F line in Figure 11;
Figure 14 is the normally opened working state schematic representation of the present invention;
Figure 15 is the cross-sectional view of the G-G line in Figure 14;
Figure 16 is the normally opened working condition elastic slice breaking state schematic diagram of the present invention;
Figure 17 is the cross-sectional view of the H-H line in Figure 16;
Figure 18 is (including shell) normally closed working state schematic representation of the invention.
Specific embodiment
Embodiment
Referring to fig. 4 to shown in Figure 18, a kind of mechanical switch with contact isolation insurance of the invention, including can be by outer
The control of portion's mechanical action and vertically movable catch bar 1 by corresponding elastic slice connect the moving direction configured in catch bar
Both sides gantry 21,22, the contact bridge that is laterally connected on two gantries 21,22 31,32, the dynamic of contact bridge both ends is set
Contact and configuration are in the quiet spring for corresponding to movable contact position;In the present embodiment, elastic slice 61 be connected to catch bar 1 and gantry 21 it
Between, elastic slice 62 is connected between catch bar 1 and gantry 22, and contact bridge is two i.e. contact bridge 31 and contact bridge 32, contact bridge 31
In upside, contact bridge 32 is in downside, two contact bridges 31,32 be connected to being generally parallel to each other described two gantries 21,
22;The quiet spring includes two normally closed quiet springs 411,412 and two normally opened quiet springs 421,422, and the movable contact includes two normal
Close movable contact 511,512 and two normally opened movable contacts 521,522;Two normally closed movable contacts 511,512 are connected to down and flank
The both ends of bridge 32 are touched, and are distributed below one contact bridge 32 in downside, two normally opened movable contacts 521,522 are connected to upside
The upper surface of the both ends of contact bridge 31, and be distributed in one contact bridge 31 in upside, normally closed quiet spring 411 is located at and normally closed movable contact 511
Opposite position, that is, be located at the lower section of normally closed movable contact 511, and normally closed quiet spring 412 is located at the position opposite with normally closed movable contact 512
It sets, that is, is located at the lower section of normally closed movable contact 512, normally opened quiet spring 421 is located at the position opposite with normally opened movable contact 521, that is, is located at
The top of normally opened movable contact 521, normally opened quiet spring 422 are located at the position opposite with normally opened movable contact 522, that is, are located at normally opened movable contact
522 top.When mechanical switch is in normal-closed end working condition, the normally closed quiet normally closed movable contact 511- contact bridge of spring 411- in circuit
(as shown in Figure 4) is connected in the normally closed quiet spring 412 of the normally closed movable contact 512- of 32-, when mechanical switch is in normally open end working condition, returns
The normally opened movable contact 522- of the normally opened quiet normally opened movable contact 521- contact bridge 31- of the spring 421- normally opened quiet conducting of spring 422 in road is (such as Figure 14 institute
Show);In described two gantries 21,22, the groove of outwardly open pass-through type in the horizontal direction is respectively equipped in opposite outside
71,72, isolation boss 81,82 is equipped in the outer space of groove location for corresponding to gantry, when the gantry 22 on wherein one side
There is the gantry 21 for being broken and making another side under the effect of another elastic slice 61 in the horizontal direction towards another in the elastic slice 62 connected
When one side lateral direction moves, enter the isolation boss 81 of another side in the groove 71 of another side gantry 21 (such as Figure 10 institute
Show), and by isolation boss 81 and groove 71 between mutual limit, allow movable contact corresponding to another side gantry 21 with it is corresponding
Quiet spring between keep isolation.That is, normally closed movable contact 511 is isolated with normally closed quiet spring 411 holding, normally opened movable contact 521 with it is normally opened
Quiet spring 421 keeps isolation (as shown in figure 11), the then normally closed dynamic touching of the normally closed quiet normally closed movable contact 511- contact bridge 32- of spring 411- in circuit
The normally closed quiet spring 412 of point 512- is obstructed, the circuit normally opened movable contact 522- of the normally opened quiet normally opened movable contact 521- contact bridge 31- of spring 421- is normal
It is obstructed to open quiet spring 422.
In the present embodiment, normally closed movable contact 511,512 is individual part, and normally opened movable contact 521,522 is also individual
Part, root Ju need the both ends of contact bridge 32 can also be directly set as normally closed movable contact, the both ends of contact bridge 31 are directly set
For normally opened movable contact.
In the present embodiment, the isolation boss is arranged between the normally closed movable contact on same one side and normally opened movable contact.That is, every
It is arranged between the normally closed movable contact 511 on same one side and normally opened dynamic 521 points of touching from boss 81, isolation boss 82 is arranged on same one side
Normally closed movable contact 512 and it is normally opened it is dynamic touching 522 points between.
In the present embodiment, described two gantries respectively include for assemble upside one contact bridge upper clamping part and
For assembling the lower clamping part of one contact bridge in downside;By taking gantry 21 as an example, gantry 21 includes being used to assemble the contact of upside one
The upper clamping part 211 of bridge 31 and for assembling the lower clamping part 212 of one contact bridge 32 in downside, the groove 71 of gantry 21 is located at
Between clamping part 211 and lower clamping part 212.22 structure of gantry is mutually similar.
In the present embodiment, described two gantries 21,22 correspond to move horizontally direction both sides be respectively equipped with one it is recessed
Slot, by taking gantry 21 as an example, gantry 21 is being respectively equipped with a groove 71 corresponding to the both sides for moving horizontally direction, in this way, groove
71 altogether there are two, each groove 71 respectively corresponds an isolation boss 81, and isolation boss 81 is also two;Pair of the gantry 21
Ying Yu is moved horizontally in the groove 71 on the both sides in direction, is additionally provided with the opening 711 to corresponding sides pass-out so that allow corresponding sides every
It is moved from boss 81 along the opening, in the present embodiment, two grooves 71 of gantry 21 are actually to lead to together;It is described right
It answers in the isolation boss 81 on side, the face towards the opening 711 of the corresponding sides pass-out is arcwall face or inclined-plane, and the present embodiment is oblique
The purpose in face 811, setting inclined-plane 811 is for the ease of being directed into corresponding groove 71.Gantry 22 and isolation boss 82
Structure is mutually similar.
In the present embodiment, the cross sectional shape of the cross-sectional direction corresponding to contact bridge of the isolation boss 81 is triangle
Shape, it is of course also possible to be round or oval.
It further, further include that the gantry 21,22, contact bridge 31,32, movable contact and quiet spring are contained in intracavitary shell
Body 9, two isolation boss for being configured at the gantry on same one side are integrally located at two opposite side-walls of shell respectively, that is, bridge
Two isolation boss 81 on 21 this one side of frame are integrally located at two opposite side-walls of shell 9, this one side of gantry 22 respectively
Two isolation boss 82 be also integrally located at two opposite side-walls of shell 9 respectively.
It further, further include the stop block 91,92 being arranged in except the opposite exterior lateral sides of described two gantries 21,22, and
Stop block 91,92 is located at corresponding at the upper clamping part of gantry and the position of lower clamping part, to be used to limit gantry 21,22 along water
Square to towards lateral direction overexercise, to keep elastic slice 61,62 in preset compression zone.
In the present embodiment, in the upper clamping part of the gantry and lower clamping part, moved in the horizontal direction along gantry
The both sides of center line are set to inclined-plane, and each inclined-plane respectively corresponds a stop block.In this case, for gantry 21,
Upper clamping part 211 is corresponding there are two stop block 91, and lower clamping part 212 is also corresponding there are two stop block 91, gantry 21 this on one side altogether
There are four stop blocks 91 to match.
Two stop blocks for being configured at the upper clamping part of same one side gantry and the both sides of lower clamping part are integrally located at shell respectively
Two opposite side-walls of body, and stop block is less than the both sides side of upper clamping part or lower clamping part to the distance of the center line
Distance of the edge to the center line.By taking gantry 21 as an example, it is configured at the upper clamping part 211 and lower clamping part of same one side gantry 21
Two stop blocks on 212 both sides are integrally located at two opposite side-walls of shell respectively, that is, four difference of stop block 91 one
Body is located at two opposite side-walls of shell 9, and the distance L1 of stop block 91 to the center line be less than upper clamping part or under
Distance L2 (as shown in Figure 6) of the edge of clamping part to the center line.
In the present embodiment, the stop block and isolation boss design are into a single integrated structure, of course, can also be by backstop
Block and the isolation boss are set as individual part.
A kind of mechanical switch with contact isolation insurance of the invention, elastic slice 61,62 are connected to bridge after having appropriate compression
Between frame 21,22 and catch bar 1;The catch bar 1 can be such that elastic slice 61,62 drives after being pressed by influencing elastic slice 61,62
The connection of normally-closed contact group and normally closed quiet spring group switches to the connection of normally opened contact group Yu normally opened quiet spring group;The catch bar 1 takes
Disappear after being pressed, the on-state of normally-closed contact group Yu normally closed quiet spring group is returned to by return spring.When unilateral elastic slice 62 is disconnected
It splits, unbroken elastic slice 61 will push gantry 21,22 mobile toward that side for the elastic slice 61 not being broken, and stop tab 91 limits bridge
The lateral distance of frame 21 makes elastic slice 61 keep certain compression, avoids elastic slice 61 from falling off from gantry 21, catch bar 1, bridge
The groove 71 of frame 21 is in contact with boss 81 is isolated, and is still continuing pressing catch bar 1 due to external, penetrator ram 1 will pass through influence
Elastic slice 61 drives gantry 21 to slide in turn, and gantry 21 is isolated boss 81 and limits, and the present embodiment is equivalent to isolation boss 81 will
Gantry 21 is lifted, normally closed movable contact 511,512 is isolated with normally closed quiet spring 411,412, normally opened movable contact 521,522 and often
It opens quiet spring 421,422 to be isolated, i.e., the normally closed movable contact 512- of the normally closed quiet normally closed movable contact 511- contact bridge 32- of spring 411- in circuit is normally closed
Quiet spring 412 is obstructed, the normally opened quiet spring 422 of the normally opened movable contact 522- of the normally opened quiet normally opened movable contact 521- contact bridge 31- of spring 421- in circuit
It is obstructed;No matter how catch bar 1 presses, and contact can be made to be isolated and play (such as normally closed quiet spring 411, normally closed movable contact 511)
Safety effect.
A kind of mechanical switch with contact isolation insurance of the invention, using in the relatively outer of two gantries 21,22
Side is respectively equipped with the groove 71,72 of outwardly open pass-through type in the horizontal direction, in the outside for the groove location for corresponding to gantry
It is equipped with isolation boss 81,82 in space, makes another side when being broken occurs in the elastic slice 62 that the gantry 22 on wherein one side is connected
Gantry 21 another elastic slice 61 effect under in the horizontal direction towards another side lateral direction move when, keep the isolation of another side convex
Platform 81 enters in the groove 71 of another side gantry, and by the mutual limit between isolation boss 81 and groove 71, allows another side
Isolation is kept between movable contact corresponding to gantry 21 and corresponding quiet spring.This structure of the invention, be be isolated boss 81,
82 and the groove 71,72 of gantry match as spacing contact structure, another side bullet can be utilized when one side elastic slice 62 is broken
Piece 61 enters the isolation boss 81 of another side in the groove 71 of another side gantry 21, passes through under the drive that catch bar 1 moves
The mutual limit between boss and groove is isolated, allow between movable contact corresponding to the gantry of another side and corresponding quiet spring keep every
From so as to which the isolation in elastic slice fracture between realization movable contact and quiet spring is effectively ensured and plays safety effect.
A kind of mechanical switch with contact isolation insurance of the invention, using gantry 21,22 opposite exterior lateral sides it
It is additionally provided with stop block 91,92 outside, and stop block 91,92 is located at the position of upper clamping part and/or lower clamping part corresponding to gantry
Place is set, to be used to limit gantry 21,22 in the horizontal direction towards lateral direction overexercise, to keep elastic slice 61,62 preset
Compression zone in.This structure of the invention is that the upper clamping part and/or lower clamping part with stop block 91,92 and gantry are made
For the supplementing structure of spacing contact, gantry 21,22 can be limited and cause elastic slice towards lateral direction overexercise in the horizontal direction
61,62 fall off between gantry 21,22 and catch bar 1, realize dynamic touching in elastic slice fracture so as to further be effectively ensured
Point quiet spring between isolation and play safety effect.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (11)
1. a kind of mechanical switch with contact isolation insurance, vertically movable pushes away including that can be controlled by external mechanical actions
Lever, connected by corresponding elastic slice the moving direction configured in catch bar both sides gantry, be laterally connected in two bridges
Contact bridge on frame, the movable contact that contact bridge both ends are arranged in and configuration are in the quiet spring for corresponding to movable contact position;Its feature exists
In: in described two gantries, it is respectively equipped with recess opening out in the horizontal direction in opposite outside, is corresponding to gantry
It is equipped with isolation boss in the outer space of groove location, makes another when being broken occurs in the elastic slice that the gantry on wherein one side is connected
When the gantry on one side is moved towards another side lateral direction in the horizontal direction under the effect of another elastic slice, keep the isolation of another side convex
Platform enters in the groove of another side gantry, and by the mutual limit between isolation boss and groove, makes another side gantry institute right
Isolation is kept between the movable contact answered and corresponding quiet spring.
2. the mechanical switch according to claim 1 with contact isolation insurance, it is characterised in that: the contact bridge is two
A, two contact bridges are connected to described two gantries with being generally parallel to each other;The quiet spring includes two normally closed quiet springs and two
Normally opened quiet spring, the movable contact include two normally closed movable contacts and two normally opened movable contacts;Described two normally closed movable contacts, two
Normally opened movable contact is connected to the both ends of two contact bridges, and is distributed in upside the upper surface of one contact bridge and downside one connects
It touches below bridge, the normally closed quiet spring is located at the position opposite with normally closed movable contact, and the normally opened quiet spring is located at and normally opened dynamic touching
The opposite position of point;The isolation boss is arranged between the normally closed movable contact on same one side and normally opened movable contact.
3. the mechanical switch according to claim 2 with contact isolation insurance, it is characterised in that: described two gantries point
It does not include upper clamping part for assembling one contact bridge in upside and for assembling the lower clamping part of one contact bridge in downside;It is described
Groove is located between clamping part and lower clamping part.
4. the mechanical switch according to claim 1 or 2 or 3 with contact isolation insurance, it is characterised in that: the isolation
In boss, equipped with the arcwall face or inclined-plane convenient for being directed into corresponding groove.
5. the mechanical switch according to claim 3 with contact isolation insurance, it is characterised in that: described two gantries exist
It is respectively equipped with a groove corresponding to the both sides for moving horizontally direction, each groove respectively corresponds an isolation boss;The bridge
In the groove corresponding to the both sides for moving horizontally direction of frame, it is additionally provided with the opening to corresponding sides pass-out, so as to allow corresponding sides
Isolation boss is moved along the opening;In the isolation boss of the corresponding sides, the face towards the opening of the corresponding sides pass-out is
Arcwall face or inclined-plane.
6. the mechanical switch according to claim 5 with contact isolation insurance, it is characterised in that: the isolation boss
The cross sectional shape of cross-sectional direction corresponding to contact bridge is triangle or round or ellipse.
7. the mechanical switch according to claim 5 with contact isolation insurance, it is characterised in that: it is further, also wrap
It includes and the gantry, contact bridge, movable contact and quiet spring is contained in intracavitary shell, be configured at two isolation of the gantry on same one side
Boss is integrally located at two opposite side-walls of shell respectively.
8. the mechanical switch according to claim 7 with contact isolation insurance, it is characterised in that: it is further, also wrap
The stop block being arranged in except the opposite exterior lateral sides of described two gantries is included, and stop block is located at the upper clamping part corresponding to gantry
And/or at the position of lower clamping part, to be used to limit gantry in the horizontal direction towards lateral direction overexercise, to keep elastic slice
In preset compression zone.
9. the mechanical switch according to claim 8 with contact isolation insurance, it is characterised in that: the stop block and institute
Isolation boss is stated to link into an integrated entity.
10. it is according to claim 8 with contact isolation insurance mechanical switch, it is characterised in that: the gantry it is upper
In clamping part and lower clamping part, it is set to inclined-plane on the both sides for the center line that the horizontal direction along gantry moves, it is each oblique
Face respectively corresponds a stop block.
11. the mechanical switch according to claim 10 with contact isolation insurance, it is characterised in that: be configured at same one side
Two stop blocks on the both sides of the upper clamping part and/or lower clamping part of gantry are integrally located at two opposite side walls of shell respectively
Place, and the distance of stop block to the center line is less than the edge of upper clamping part or lower clamping part to the distance of the center line.
Priority Applications (1)
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US5875884A (en) * | 1996-10-30 | 1999-03-02 | Niles Parts Co., Ltd. | Slide switch apparatus |
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