CN104916479B - A kind of safety switch used for electric vehicle - Google Patents
A kind of safety switch used for electric vehicle Download PDFInfo
- Publication number
- CN104916479B CN104916479B CN201510371798.5A CN201510371798A CN104916479B CN 104916479 B CN104916479 B CN 104916479B CN 201510371798 A CN201510371798 A CN 201510371798A CN 104916479 B CN104916479 B CN 104916479B
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- China
- Prior art keywords
- contact
- housing
- arc
- safety switch
- handleset
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
- H01H21/40—Driving mechanisms having snap action
- H01H21/42—Driving mechanisms having snap action produced by compression or extension of coil spring
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Tumbler Switches (AREA)
Abstract
This application discloses a kind of safety switch used for electric vehicle, including：Housing；Support；First line bank, is fixed on housing；Handleset, is rotatably connected on support, and can be swung around pivot center in housing；Contact metal rocking arm, one end is rotatably connected on support, and the other end is provided with contact, and angle is respectively provided with two positions of on and off between the reverse extending line and Handleset of contact metal rocking arm, and the first line bank is conductively connected with contact metal rocking arm；Extension spring, its two ends difference connecting terminal metal rocker arm and the Handleset, for applying to opening or closing the tightening forces that two positions rotate to contact metal rocking arm；Second line bank, is fixed on housing, is provided with the contact for the contact conducting with contact metal rocking arm.The safety switch only has a pair of contact of contact metal rocking arm and the second line bank, therefore can not can effectively contact conducting, improve stability and reliability because of discontinuity equalization, contact.
Description
Technical field
The present invention relates to electric automobile automobile technical field, more particularly to a kind of safety switch used for electric vehicle.
Background technology
Safety switch is a kind of conventional manual handling equipment in electric automobile, for making electric automobile emergency power off, from
And vehicle is repaired.
Prior art provides a kind of safety switch, as shown in figure 1, the safety switch mainly includes：Switch housing 101,
Handle 102, handle back-moving spring 103, spring support 104, contact metal piece 105, connection terminal 106, line ball lock 107, line ball
Lock bolt 108.Wherein, handle 102 has " ON " and " OFF " two states, by pulling the switching state of handle 102, handle 102
One end is contacted with spring support 104, and the two ends of handle back-moving spring 103 are connected on spring support 104 and switch housing 101,
For back-moving spring support 104, the two ends of contact metal piece 105 have two contacts, and the centre of contact metal piece 105 is fixed on
On spring support 104, moved with spring support 104, two contacts are respectively used to be contacted with the binding post 106 of both sides leads
Electricity, binding post 106 is placed in line ball lock 107, and bolt 108 is locked by tightening line ball, line ball is locked 107 and is locked bolt along line ball
Moved in 108 axial direction, binding post 106 is compressed with extraneous conductor and is connected in line ball lock 107.
During work, handle 102 to " ON " position is pulled, one end of handle 102 acts on spring support 104, makes spring branch
Frame 104 is moved down, and this process handle back-moving spring 103 is compressed, and contact metal piece 105 is moved down with spring support 104, and two
The contact at end contacts conducting with the binding post 106 of both sides；Handle 102 to " OFF " position is pulled, one end of handle 102 is left
Spring support 104, spring support 104 resets under the elastic force effect of handle back-moving spring 103, that is, move up, contact metal
Piece 105 is moved on, and the contact at two ends separates with the binding post of both sides, reaches the purpose of power-off.
Although above-mentioned existing safety switch can realize the function of turning on and power off, due to contact metal piece 105
Both sides termination You Liangge contacts, touched with the pressure of left and right connection terminal 106 respectively, middle the stress of contact metal piece 105, as same
Individual " seesaw " structure, if the two ends discontinuity equalization of contact metal piece 105, certainly will cause contact metal piece 105 to incline toward one end
Tiltedly, two contacts form angle with the contact plane of the connection terminal 106 at two ends, and contact effect is undesirable, it is impossible to effectively conducting.
Additionally, when safety switch is closed or is disconnected, contact metal piece 105 easily produces electric arc, contact endurance is had a greatly reduced quality；Connection
Terminal 106 is connected using line ball lock 107 with the external world, and line ball lock bolt 108 easily loosens in vibration processes, locks line ball
107 cannot effectively by binding post 106 and extraneous conductor connection, and the job stability of safety switch is poor；In addition, in maintenance
When, it is necessary to by switch circuit breaking, at " ON " and " OFF " position be symmetrical structure due to handle 102, maloperation, nothing are caused unavoidably
Method meets electric automobile safe design requirement.
The content of the invention
In view of this, it is an object of the invention to provide a kind of safety switch used for electric vehicle, to ensure safety switch
Effectively conducting, improves functional reliability and stability.
To reach above-mentioned purpose, the present invention provides following technical scheme：
A kind of safety switch used for electric vehicle, including：
Housing；
Support, installed in the enclosure interior；
First line bank, fixes on the housing；
Handleset, is rotatably connected on the support, and can be swung around pivot center in the housing；
Contact metal rocking arm, one end is rotatably connected on the support, and the other end is provided with contact, the contact gold
Angle, first wiring are respectively provided with two positions of on and off between the reverse extending line and the Handleset that belong to rocking arm
Row is conductively connected with the contact metal rocking arm；
Extension spring, its two ends difference connecting terminal metal rocker arm and the Handleset, for the contact metal rocking arm
Apply to opening or closing the tightening forces that two positions rotate；
Second line bank, fixes on the housing, is provided with and is connect for the contact with the contact metal rocking arm
Touch the contact of conducting.
Preferably, in above-mentioned safety switch used for electric vehicle, protruding shaft is provided with the support；The Handleset
One end to be provided with and be connected to the first draw-in groove in the protruding shaft for rotating；One end of the contact metal rocking arm is provided with use
The second draw-in groove in the protruding shaft is connected in rotation.
Preferably, in above-mentioned safety switch used for electric vehicle, also including the arc extinguishing component in the housing,
The contact that the arc extinguishing component has arc-chutes, second line bank is located in the arc-chutes, the contact metal rocking arm
Rotation path be located at the arc-chutes in.
Preferably, in above-mentioned safety switch used for electric vehicle, the arc extinguishing component includes：
Yoke, is provided with the arc-chutes；
Permanent magnet, is arranged on the outer wall of the yoke, and positioned at the both sides of the arc-chutes；
Arc-extinguish chamber, is fastened in the yoke, and the permanent magnet is contained in by the arc-extinguish chamber and the yoke
In the interlayer of formation.
Preferably, in above-mentioned safety switch used for electric vehicle, the Handleset includes：
The hull outside is stretched out in handspike, one end, is rotated for pulling the Handleset；
Rotating lever, one end is fixedly mounted on the other end of the handspike, and described is provided with the rotating lever
One draw-in groove, one end of the extension spring is connected on the rotating lever.
Preferably, in above-mentioned safety switch used for electric vehicle, the handspike positioned at the one of the enclosure interior
End is provided with arc；Also include switch lock-in component, the switch lock-in component includes：
Locking plate, is provided with the rotary shaft for being rotationally connected with the enclosure interior, and one end of the locking plate is
For stopping the stop end that the arc is moved to the position opened, the other end is provided with guide pad；
The hull outside is stretched out in block push button, one end, and the other end is provided with the gathering sill coordinated with the guide pad, uses
In when the block push button is pressed to enclosure interior, the gathering sill is oriented to the guide pad, makes the locking plate
Stop end to away from the arc side rotate；
Compression return unit, two ends are connected to the block push button and the enclosure interior respectively, for being pressed to the interlocking
Button applies the reset force moved to hull outside.
Preferably, in above-mentioned safety switch used for electric vehicle, the compression return unit is compression spring or compression rubber
Glue.
Preferably, in above-mentioned safety switch used for electric vehicle, on first line bank and second line bank
Bolt hole is provided with, and is connected with extraneous conductor by screw bolt and nut.
Preferably, in above-mentioned safety switch used for electric vehicle, first line bank and the contact metal rocking arm
It is conductively connected by soft braiding copper strips.
Preferably, in above-mentioned safety switch used for electric vehicle, the housing includes coordinating fixed shell and cover plate.
Compared with prior art, the beneficial effects of the invention are as follows：
In the safety switch used for electric vehicle that the present invention is provided, support, the first line bank and second are installed in housing and are connect
Line is arranged, and Handleset is rotatably connected on support, and the pivot center that Handleset can be around Handleset in housing swings,
In two position switchings of on and off；One end of contact metal rocking arm is rotatably connected on support, and the other end is provided with contact,
For the contact conducting with the second line bank, and between the reverse extending line and Handleset of contact metal rocking arm opening and
When closing two positions, angle is respectively provided between the two, i.e., at two positions of on and off, Handleset is located at contact metal respectively
The both sides of the reverse extending line of rocking arm, both not point-blank, and certain centre position between the two positions, contact
The reverse extending line and Handleset of metal rocker arm are in straight line, and the extension spring for connecting Handleset and electric shock metal rocker arm is being opened
Tensile elongation during with off position is not most long in the transfer process of position.Then pull process of the Handleset by Guan Xiangkai
In, Handleset is rotated to the position opened, and extension spring stretching, extension spring applies tightening force to contact metal rocking arm, when Handleset turns
When moving the centre position on and off, the potential energy of extension spring is maximum, and when handle reaches the position opened, extension spring pulls contact metal to shake
Arm turns to the position that conducting is contacted with the second line bank, meanwhile, extension spring is shunk and is recovered.And work as Handleset and changed by being opened to concern
When, action is conversely, contact metal rocking arm is pulled the position for turning to and being disengaged with the second line bank by extension spring.Realize safety
The on and off of switch is operated, and the safety switch is in the state opened, only the one of contact metal rocking arm and the second line bank
To contact, therefore, in the absence of existing safety switch because of discontinuity equalization, the both sides contact of contact metal piece can not effectively contact
The defect of conducting, improves the job stability and reliability of safety switch.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of internal structure schematic diagram of safety switch that Fig. 1 is provided for prior art；
Fig. 2 is a kind of internal structure schematic diagram of safety switch used for electric vehicle provided in an embodiment of the present invention；
Fig. 3 is a kind of decomposition texture schematic diagram of safety switch used for electric vehicle provided in an embodiment of the present invention；
Fig. 4 is a kind of work on and off two states of safety switch used for electric vehicle provided in an embodiment of the present invention
Make principle schematic；
Fig. 5 is a kind of operating diagram of the arc extinguishing component of safety switch used for electric vehicle provided in an embodiment of the present invention；
Fig. 6 is a kind of decomposing schematic representation of the arc extinguishing component of safety switch used for electric vehicle provided in an embodiment of the present invention；
Fig. 7 is that a kind of switch lock-in component of safety switch used for electric vehicle provided in an embodiment of the present invention is in sealed shape
Structural representation during state；
Fig. 8 is that a kind of switch lock-in component of safety switch used for electric vehicle provided in an embodiment of the present invention is in unblock shape
Structural representation during state；
Fig. 9 is a kind of block push button of the switch lock-in component of safety switch used for electric vehicle provided in an embodiment of the present invention
Structural representation.
Wherein, 101 it is switch housing, 102 be handle, 103 be handle back-moving spring, 104 be spring support, 105 is tactile
Point sheet metal, 106 be connection terminal, 107 be line ball lock, 108 be line ball lock bolt；
1 is Handleset, 101 is handspike, 102 is rotating lever, 103 is arc, 2 is the first line bank, 3 is drawing
Spring, 4 be support, 401 be limiting section, 5 be contact metal rocking arm, 6 be housing, 601 be shell, 602 be cover plate, 7 be arc extinguishing group
Part, 701 be yoke, 702 be permanent magnet, 703 be arc-extinguish chamber, 704 be arc-chutes, 8 be the second line bank, 9 be switch lock it is charge-coupled
Part, 901 be block push button, 902 be locking plate, 903 for compression return unit, 10 be fixing bolt.
Specific embodiment
Core of the invention there is provided a kind of safety switch used for electric vehicle, ensure that the contact of safety switch and has
Effect contact conducting, improves functional reliability and stability.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 2-Fig. 4, the embodiment of the invention provides a kind of safety switch used for electric vehicle, hereinafter referred to as pacify
Full switch, including housing 6, support 4, the first line bank 2, the second line bank 8, Handleset 1, contact metal Rocker arm 5 and extension spring
3.Wherein, housing 6 is used to house other each parts, plays a part of to protect and insulate.Support 4 is arranged on inside housing 6, is
The rotation of Handleset 1 and electric shock metal rocker arm 5 provides support；First line bank 2 is fixed on housing 6, preferably extends through shell
Outside body 6, for connecting extraneous conductor；Handleset 1 is rotatably connected on support 4, and housing is stretched out in the part of Handleset 1
Outside 6, for pulling Handleset 1 manually, Handleset 1 is rotated around it axis and swung in housing 6, complete on and off two
The switching of individual state；Contact metal Rocker arm 5 is string configuration, and its one end is rotatably connected on support 4, and the other end is set
There is a contact, the pivot center of the pivot center of contact metal Rocker arm 5 preferably with Handleset 1 overlaps, and both relatively rotate axle
Line near symmetrical arrangement, and it is equal at two positions of on and off between the reverse extending line and Handleset 1 of contact metal Rocker arm 5
It is located at the both sides of the reverse extending line of contact metal Rocker arm 5 respectively in two positions of on and off with angle, i.e. Handleset 1,
First line bank 2 is conductively connected with contact metal Rocker arm 5；Distinguish connecting terminal metal rocker arm 5 and Handleset in the two ends of extension spring 3
1, the two ends of extension spring 3 are preferably coupled to the position away from pivot center of Handleset 1 and electric shock metal rocker arm 5, for giving
Contact metal Rocker arm 5 applies to opening or closing the tightening forces that two positions rotate；Second line bank 8 is fixed on housing 6, is set thereon
It is equipped with the contact for the contact conducting with contact metal Rocker arm 5, it is preferable that a part for the second line bank 8 stretches out shell
It is convenient to be connected with extraneous conductor outside body 6.
The operation principle and the course of work of above-mentioned safety switch are as follows, and with reference to Fig. 4, the bold portion in Fig. 4 is safety open
The state being not turned in closing is closed, dotted portion opens conducting state for safety switch is in.Due in two positions of on and off
When putting, Handleset 1 is respectively provided with angle with the reverse extending line of contact metal Rocker arm 5, and Handleset 1 is located at contact gold respectively
Belong to the both sides of the reverse extending line of Rocker arm 5, therefore, elastic potential energy of the extension spring at two positions of on and off is not maximum,
But when Handleset 1 turns to a certain centre position between on and off, i.e. 5 turns of Handleset 1 and electric shock metal rocker arm
Move during in straight line, the tensile elongation of extension spring 3 is most long, tightening force is maximum, elastic potential energy is maximum.Then switch in safety switch
During state, it is switched to as a example by the process of " ON " from " OFF " by safety switch and is illustrated, when safety switch is in the state closed
When, Handleset 1 and electric shock metal rocker arm 5 are respectively positioned on the position of pass, afterwards, pull manual component 1 and are rotated to the position opened, when
Manual component 1 is turned to contact metal Rocker arm 5 when being in straight line, and the potential energy of extension spring 3 is maximum, and manual component 1 is rotated further,
Manual component 1 turns over the reverse extending line of contact metal Rocker arm 5, and extension spring 3 pulls contact metal Rocker arm 5 near the second line bank
8 side rotates, when the position that manual component 1 reaches out, the contact of the contact of contact metal Rocker arm 5 and the second line bank 8
Contact, at the same time, the relative maximum tensile elongation of extension spring 3 is shunk, and potential energy diminishes, because the first line bank 2 and contact metal shake
Arm 5 is conductively connected, therefore, the first line bank 2 and the second line bank 8 are turned on, and are completed safety switch and are opened operation.Work as safety switch
When being switched to the state of " OFF " by " ON ", Handleset 1 is reversely pulled, principle is identical with opening process, contact metal Rocker arm 5
Pulled by extension spring 3, rotated to the side away from the second line bank 8, disengaged, disconnect conducting.
By said process as can be seen that the safety switch in the present invention only passes through contact metal Rocker arm 5 when conducting is opened
Conducting is contacted with a pair of contact on the second line bank 8, the contact of contact metal Rocker arm 5 is pressed on second using extension spring 3 and is connect
On contact on line row 8, thus be not in existing safety switch the both sides of contact metal piece 105 two contacts because stress
Imbalance, causes both sides contact effectively to contact the problem of conducting, improves the functional reliability and stability of safety switch.
As shown in Figure 3 and Figure 4, the rotation between Handleset 1 and support 4 and contact metal Rocker arm 5 and support 4 is connected
Connect and optimize, in the present embodiment, protruding shaft is provided with support 4, one end of Handleset 1 is provided with and is connected to for rotation
The first draw-in groove in protruding shaft, during installation, the first draw-in groove of Handleset is connected in protruding shaft, and the first draw-in groove coordinates with protruding shaft,
Can be rotated around protruding shaft；One end of contact metal Rocker arm 5 is provided with for rotating the second draw-in groove being connected in protruding shaft, the second card
The catenation principle of groove and the first draw-in groove is identical, and contact metal Rocker arm 5 is tensed by extension spring 3, the second draw-in groove is connected in protruding shaft,
Rotated around protruding shaft.It is highly preferred that in order to reduce pivoting friction, bearing is set in protruding shaft, the first draw-in groove and the second draw-in groove are equal
It is connected on bearing.Certainly, Handleset 1 and contact metal Rocker arm 5 can also set the axis hole coordinated with protruding shaft, by shaft hole sleeve
It is connected in protruding shaft, can equally realizes both rotations, simply the first draw-in groove and the second draw-in groove is installed more due to being hatch frame
Plus it is convenient.
As shown in figure 4, further, limiting section 401 is provided with support 4, when contact metal Rocker arm 5 turns to pass
Position when, in order to prevent contact metal Rocker arm 5 from being rotated further under the pulling of extension spring 3, will be touched by the limiting section 401 of support 4
Point metal rocker arm 5 is stopped, it is to avoid contact metal Rocker arm 5 touches miscellaneous part or housing 6.It is of course also possible to be not provided with limit
Position portion 401, it is preferred scheme simply to set limiting section 401.
As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, the safety switch in the present embodiment also includes the arc extinguishing in housing 6
Component 7, the contact that arc extinguishing component 7 has arc-chutes 704, the second line bank 8 is located in arc-chutes 704, contact metal Rocker arm 5
Rotation path is located in arc-chutes 704.Setting the effect of arc extinguishing component 7 is, when contact and second wiring of contact metal Rocker arm 5
The contact separation of row 8 or the moment of contact, electric arc can be produced between two contacts, increase the contact resistance at contact, produce compared with
Big caloric value, service life and security to safety switch have undesirable effect, therefore, changed by arc extinguishing component 7 and produced
The track of raw electric arc, makes the distance of electric arc track elongated, weakens influence of the electric arc to contact, reaches raising contact endurance, protects
Card safety switch safe and stable operation.
Specifically, as shown in Figure 5 and Figure 6, arc extinguishing component 7 includes yoke 701, permanent magnet 702 and arc-extinguish chamber 703.Wherein,
Yoke 701 has the arc-chutes 704 of the contact for allowing contact metal Rocker arm 5 to pass in and out and can house the second line bank 8；Permanent magnet
702 is laminated structure, and quantity is preferably two, is arranged on the outer wall of yoke 701, and respectively positioned at the both sides of arc-chutes 704,
Permanent magnet 702 can carry out magnetic force to electric arc and inhale arc, change electric arc track；Arc-extinguish chamber 703 is cover body structure, is fastened in yoke
On 701, and permanent magnet 702 is contained in the interlayer formed by arc-extinguish chamber 703 and yoke 701, arc-extinguish chamber 703 and yoke 701
Outer wall forms the interlayer positioned at the both sides of arc-chutes 704, and permanent magnet 702 is fixed in yoke 701 using interlayer.Such split
Structure, ease of assembly.Certainly, arc extinguishing component 7 can also only include yoke 701 and permanent magnet 702, in the arc-chutes of yoke 701
704 both sides open up interlayer, and permanent magnet 702 is fixed in interlayer, as long as arc extinguishing can be realized.It is not limited to this implementation
Structure type cited by example.
As shown in Figure 3 and Figure 4, a kind of specific Handleset 1, including handspike 101 and rotation are present embodiments provided
Lever 102.Wherein, one end of handspike 101 is stretched out outside housing 6, is rotated for pulling manual component 1；Rotating lever 102 is excellent
U-board structure is elected as, but be not limited to that U-board structure, the first card is offered on open one end biside plate of U-board
Groove, one end of extension spring 3 is placed in U-board, and is connected with the blind end of U-board, and U-board is convenient to install extension spring 3, rotating lever
102 one end is fixedly mounted on the other end of handspike 101, can be embedded in buckle and fix, and dismounting can be assembled.Certainly, handspike
101 and rotating lever 102 can also be integrative-structure, as long as can realize around support 4 protruding shaft rotate.
As shown in Fig. 3, Fig. 7-Fig. 9, to the further optimization of safety switch, in the present embodiment, safety switch also includes opening
Seaming element 9 is shut, one end inside housing 6 of handspike 101 is provided with arc 103, and arc 103 is with handspike
101 swing inside housing 6.Switch lock-in component 9 includes locking plate 902, block push button 901 and compression return unit 903, its
In, rotary shaft 9021 is provided with locking plate 902, it is rotationally connected with inside housing 6, rotary shaft 9021 is located at locking plate 902
Medium position, the two ends of locking plate 902 can make lever and swing around rotary shaft 9021, one end of locking plate 902 to stop end,
For stopping that arc 103 is moved to the position opened, the other end is provided with guide pad；Housing 6 is stretched out in one end of block push button 901
Outside, for pressing operation, the other end is provided with the gathering sill 9011 coordinated with guide pad, for when block push button 901 is to shell
When being pressed inside body 6, gathering sill 9011 is oriented to guide pad, makes the stop end of locking plate 902 to away from arc 103
Side rotates；The two ends for compressing return unit 903 are connected to inside block push button 901 and housing 6 respectively, for block push button
901 apply to the reset force moved outside housing 6.
The effect for switching lock-in component 9 is to avoid pulling the safety switch that be in off-position by mistake in maintenance
The position opened, prevents maloperation, it is ensured that personal security.Its operation principle and the course of work are as follows：As shown in fig. 7, now, hand push
Bar 101 is in the position closed, and the stop end of locking plate 901 is located on path of the arc 103 to the position movement opened, and stops arc
Shape plate 103 is moved to the position opened, and switch lock-in component 9 is in locked state, and so, staff can not pull to the position opened
Start push rod 101, so as to prevent maloperation, endanger personal security., it is necessary to when opening safety switch after maintenance is finished, such as Fig. 8
It is shown, describe for convenience, it is described with the orientation in Fig. 8, press down on block push button 901, the lower end of block push button 901
Extruding compression return unit 903, meanwhile, the gathering sill 9011 on block push button 901 is moved down, because gathering sill 9011 is along parallel
Have in the axis upwardly direction of block push button 901 and turn bent bend near the axis side of block push button 901, work as interlocking
During button 901 is constantly moved down, gathering sill 9011 drives the guide pad on locking plate 902 near block push button
901 side shifting of axis one, using lever principle, locking plate 902 is rotated around rotary shaft 9021, stops end to away from block push button
The side deflection of 901 axis, so that stopping that the paths traversed of arc 103 is left at end, no longer stops arc 103,
Now, pull handspike 101 to be rotated to the position opened, open safety switch.When needing repairing again, directly by handspike
101 rotate to the position closed, and after reaching the position closed, away from the stop end of locking plate 902, block push button 901 exists arc 103
Set back upwards under the elastic force effect for compressing return unit 903, gathering sill 9011 is moved up therewith, and gathering sill 9011 drives connection
The guide pad of locking plate 902 is rotated to the axis side away from block push button 901, so that the stop end of locking plate 902 returns to
On the rotation path of arc 103, continue to play a part of to stop that arc 103 is moved to the position opened, prevent maloperation.
Used as optimization, the compression return unit 903 in the present embodiment is compression spring or compressing rubber, if can make interlocking by
Button 901 resets upwards.
As shown in Fig. 2 in the present embodiment, bolt hole is provided with the first line bank 2 and the second line bank 8, and
It is connected with extraneous conductor by screw bolt and nut.Terminal 106 is fixedly connected with existing line ball lock 107 and line ball lock bolt 108
Compared with extraneous conductor, screw bolt and nut is fixed more firm, it is not easy to occur loosening because of vibration, further increase peace
The job stability and reliability of full switch.
In the present embodiment, the first line bank 2 and contact metal Rocker arm 5 are conductively connected by soft braiding copper strips, specially
Welding, because soft braiding copper strips is soft material, will not produce influence, it is of course also possible to logical to the swing of contact metal Rocker arm 5
Wire welding is crossed to be conductively connected.
As shown in figure 3, in the present embodiment, housing 6 includes coordinating fixed shell 601 and cover plate 602, and both can pass through
Fixing bolt 10 is fixedly connected, and, certainly, shell 601 and cover plate 602 can also be by fastening structures by each portions house wherein
Realize fixing.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (9)
1. a kind of safety switch used for electric vehicle, it is characterised in that including：
Housing (6)；
Support (4), it is internal installed in the housing (6), it is provided with protruding shaft on the support (4)；
First line bank (2), is fixed on the housing (6)；
Handleset (1), is rotatably connected on the support (4), and can be in the housing (6) around pivot center pendulum
Dynamic, one end of the Handleset (1) is provided with for rotating the first draw-in groove being connected in the protruding shaft；
Contact metal rocking arm (5), one end is rotatably connected on the support (4), and the other end is provided with contact, the contact
Angle is respectively provided with two positions of on and off between the reverse extending line of metal rocker arm (5) and the Handleset (1), it is described
First line bank (2) is conductively connected with the contact metal rocking arm (5), and one end of the contact metal rocking arm (5) is provided with use
The second draw-in groove in the protruding shaft is connected in rotation；
Connecting terminal metal rocker arm (5) and the Handleset (1) are distinguished in extension spring (3), its two ends, for the contact metal
Rocking arm (5) applies to opening or closing the tightening forces that two positions rotate；
Second line bank (8), is fixed on the housing (6), is provided with for tactile with the contact metal rocking arm (5)
The contact of point contact conducting.
2. safety switch used for electric vehicle according to claim 1, it is characterised in that also including installed in the housing
(6) the arc extinguishing component (7) in, the arc extinguishing component (7) is located at arc-chutes (704), the contact of second line bank (8)
In the arc-chutes (704), the rotation path of the contact metal rocking arm (5) is located in the arc-chutes (704).
3. safety switch used for electric vehicle according to claim 2, it is characterised in that the arc extinguishing component (7) includes：
Yoke (701), is provided with the arc-chutes (704)；
Permanent magnet (702), is arranged on the outer wall of the yoke (701), and positioned at the both sides of the arc-chutes (704)；
Arc-extinguish chamber (703), is fastened in the yoke (701), and the permanent magnet (702) is contained in by the arc-extinguish chamber
(703) and in the interlayer of the yoke (701) formation.
4. safety switch used for electric vehicle according to claim 1, it is characterised in that the Handleset (1) includes：
The housing (6) outside is stretched out in handspike (101), one end, is rotated for pulling the Handleset (1)；
Rotating lever (102), one end is fixedly mounted on the other end of the handspike (101), is set on the rotating lever (102)
First draw-in groove is equipped with, one end of the extension spring is connected on the rotating lever (102).
5. safety switch used for electric vehicle according to claim 4, it is characterised in that handspike (101) are located at
The internal one end of the housing (6) is provided with arc (103)；Also include switch lock-in component (9), the switch lock-in component
(9) include：
Locking plate (902), is provided with and is rotationally connected with the internal rotary shaft (9021) of the housing (6), the interlocking
One end of piece (902) is that, for stopping the stop end that the arc (103) is moved to the position opened, the other end is provided with guiding
Block；
The housing (6) outside is stretched out in block push button (901), one end, and the other end is provided with the guiding coordinated with the guide pad
Groove (9011), for when the block push button (901) inside the housing (6) to pressing, the gathering sill (9011) to be to institute
State guide pad to be oriented to, the stop end of the locking plate (902) is rotated to the side away from the arc (103)；
Compression return unit (903), two ends are connected to the block push button (901) respectively and the housing (6) is internal, for institute
Block push button (901) is stated to apply to reset force mobile outside the housing (6).
6. safety switch used for electric vehicle according to claim 5, it is characterised in that the compression return unit (903) is
Compression spring or compressing rubber.
7. the safety switch used for electric vehicle according to claim any one of 1-6, it is characterised in that first line bank
(2) bolt hole and on second line bank (8) is provided with, and is connected with extraneous conductor by screw bolt and nut.
8. the safety switch used for electric vehicle according to claim any one of 1-6, it is characterised in that first line bank
(2) it is conductively connected by soft braiding copper strips with the contact metal rocking arm (5).
9. the safety switch used for electric vehicle according to claim any one of 1-6, it is characterised in that housing (6) bag
Include and coordinate fixed shell (601) and cover plate (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371798.5A CN104916479B (en) | 2015-06-30 | 2015-06-30 | A kind of safety switch used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371798.5A CN104916479B (en) | 2015-06-30 | 2015-06-30 | A kind of safety switch used for electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104916479A CN104916479A (en) | 2015-09-16 |
| CN104916479B true CN104916479B (en) | 2017-05-31 |
Family
ID=54085473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510371798.5A Active CN104916479B (en) | 2015-06-30 | 2015-06-30 | A kind of safety switch used for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104916479B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493050B (en) * | 2018-05-29 | 2023-11-24 | 浙江力夫自控技术股份有限公司 | Pressure switch capable of being manually turned off |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4442417C1 (en) * | 1994-11-29 | 1996-02-15 | Kloeckner Moeller Gmbh | Toggle action mechanism for use with LV electrical power switch |
| US8367955B2 (en) * | 2009-05-13 | 2013-02-05 | Thomas Strothmann | Illuminated wall switch |
-
2015
- 2015-06-30 CN CN201510371798.5A patent/CN104916479B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104916479A (en) | 2015-09-16 |
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Application publication date: 20150916 Assignee: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Assignor: Chongqing Changan Automobile Co.,Ltd.|CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Contract record no.: 2018500000022 Denomination of invention: Safety switch for electric automobile Granted publication date: 20170531 License type: Exclusive License Record date: 20181130 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190109 Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Patentee before: Chongqing Changan Automobile Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |