CN205961003U - Soft starter shorting switch - Google Patents
Soft starter shorting switch Download PDFInfo
- Publication number
- CN205961003U CN205961003U CN201620826637.0U CN201620826637U CN205961003U CN 205961003 U CN205961003 U CN 205961003U CN 201620826637 U CN201620826637 U CN 201620826637U CN 205961003 U CN205961003 U CN 205961003U
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- CN
- China
- Prior art keywords
- sheath
- spring
- fixed
- slide block
- static contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a soft starter shorting switch, including the centrifugation piece, the centrifugation piece is fixed on the oscillating axle, and swing shaft connecting has the pivot, and the pivot overcoat is equipped with the sheath, is equipped with the wind spring between pivot and the sheath, and the upper portion of pivot is equipped with the screw thread section, and the screw thread has closed the slider soon in the screw thread section, and the slider is located the top of wind spring, is equipped with between sheath and the slider to prevent slider pivoted rotational lock, the slider is fixed with the energy -stored spring, and energy storage spring coupling has the moving contact, is fixed with the static contact on the sheath, still include opening device, opening device includes the torsional spring, and the torsional spring twines in the outside of sheath, and the sheath is equipped with the guiding hole, and the one end of torsional spring is fixed on the sheath, and in the other end of torsional spring passed the guiding hole and stretches into the sheath, the moving contact included the cylindrical section, and the one end that the cylindrical section closes on the static contact links up has toper buffering face, and the torsional spring supports on the buffering face. The effectual production of having avoided electric arc between moving contact and the static contact of soft starter shorting switch, it is rational in infrastructure, simple.
Description
Technical field
The utility model is related to soft starting device, more particularly, to soft initiator shorting switch.
Background technology
The centrifugal force that Brushless Automatic Control Motor Soft Actuator is produced when being and being rotated by the use of motor, as power, makes Wound-rotor asynchronous
The device of brushless automatic control operation realized by motor.This device is directly installed in the rotating shaft of motor, in motor start-up procedure
Liquid is controlled to hinder the size of resistance value, to reach the purpose reducing electric motor starting electric current, increasing detent torque.This starter is using no
Brush no inscription of loop, simple to operate, easy installation and removal, can greatly reduce maintenance cost, and can be according to the characteristic of mechanical load, certainly
The dynamic size changing startup resistance, adjusts detent torque and starting current, makes motor be in optimum start-up state.Shorting switch
It is the important composition part in Brushless Automatic Control Motor Soft Actuator, on startup, shorting switch support is provided with sound and touches motor
Head, moving contact with motor speed increase moment to static contact adhesive, complete whole start-up course, motor reaches normal fortune
OK.Because moving contact is slowly close to static contact with the increase of centrifugal force, moving contact and static contact is led to reach a spacing
From when electric discharge phenomena will occur, produce electric arc.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of moving contact to connect with static contact moment, thoroughly eradicates
The generation of electric arc, soft initiator shorting switch simple and reasonable for structure.
For solving above-mentioned technical problem, the technical solution of the utility model is：Soft initiator shorting switch, including centrifugation
Block, described centrifugal-block is fixed on swinging axle, and described swinging axle is connected with rotating shaft away from one end of described centrifugal-block, described rotating shaft
It is set with sheath outward, between described rotating shaft and described sheath, is provided with wind spring, the top of described rotating shaft is provided with thread segment, described screw thread
In section, threaded engagement has slide block, and described slide block is located at the top of described wind spring, and being provided between described sheath and described slide block prevents
The anti-rotation device that described slide block rotates；The upper surface of described slide block is fixed with energy-stored spring, and the other end of described energy-stored spring is even
It is connected to moving contact, the described sheath above described moving contact is fixed with static contact；Also include allowing or stop described moving
To the opening device of described static contact movement, described opening device includes torsion spring to contact, and described torsion spring is wrapped in described sheath
Outside, described sheath is provided with pilot hole, and one end of described torsion spring is fixed on described sheath, and the other end of described torsion spring passes through institute
State pilot hole and stretch in described sheath, described moving contact includes cylindrical section, described cylindrical section closes on one end of described static contact
Linking has taper buffering suface, and described torsion spring is against on described buffering suface.
As preferred technical scheme, the outside of described sheath is provided with installation set, and described torsion spring is arranged on described installation set
And described sheath between.
As preferred technical scheme, the length of described cylindrical section is more than the distance of described cylindrical section and described static contact.
As preferred technical scheme, described static contact is provided with link slot, the cavity shape of described link slot and described circle
The appearance and size of shell of column is adapted.
As preferred technical scheme, described anti-rotation device includes the anti-blade-rotating being fixed on described slide block, described sheath
Madial wall be provided with axially extended anti-rotation groove along described sheath, described anti-blade-rotating is inserted in described anti-rotation groove.
As preferred technical scheme, the opposite sides of described slide block is provided with anti-blade-rotating described in two, the inner side of described sheath
Wall is provided with the anti-rotation groove described in two matching respectively with blade-rotating anti-described in two.
Soft initiator shorting switch, including centrifugal-block, described centrifugal-block is fixed on swinging axle, and described swinging axle is away from institute
The one end stating centrifugal-block is connected with rotating shaft, drives swinging axle to swing by centrifugal-block, and then drives axis of rotation.Outside described rotating shaft
It is set with sheath, between described rotating shaft and described sheath, is provided with wind spring, wind spring ensures that centrifugal force is centrifuged block reset after declining.Institute
The top stating rotating shaft is provided with thread segment, and on described thread segment, threaded engagement has slide block, and described slide block is located at the top of described wind spring,
It is provided with the anti-rotation device preventing described slide block from rotating between described sheath and described slide block；Axis of rotation band movable slider moves up and down
Dynamic.The upper surface of described slide block is fixed with energy-stored spring, and the other end of described energy-stored spring is connected with moving contact, positioned at described dynamic
It is fixed with static contact on described sheath above contact；Also include allowing or stop described moving contact to described static contact movement
Opening device, described opening device includes torsion spring, and described torsion spring is wrapped in the outside of described sheath, and described sheath is provided with guiding
Hole, one end of described torsion spring is fixed on described sheath, and the other end of described torsion spring passes through described pilot hole and stretches into described shield
In set, described moving contact includes cylindrical section, and one end linking that described cylindrical section closes on described static contact has taper buffering suface, described
Torsion spring is against on described buffering suface；When the power that energy-stored spring acts on moving contact is more than certain value, torsion spring moves to outside pilot hole
Dynamic, when the amount of movement of torsion spring is sufficiently large, moving contact can move to static contact, otherwise then moving contact is motionless, and energy-stored spring continues
Continuous accumulation of energy.
Soft initiator shorting switch effectively avoids the generation of electric arc between moving contact and static contact, rational in infrastructure, letter
Single.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the utility model embodiment using figure.
In figure：1- rotating shaft；2- anti-rotation groove；3- sheath；4- wind spring；The anti-blade-rotating of 5-；6- energy-stored spring；7- thread segment；8- moves
Contact；9- buffering suface；10- static contact；11- link slot；12- torsion spring；13- pilot hole；14- installation set；15- swinging axle；16- from
Heart block；17- mounting seat；18- chassis；19- motor shaft；20- slide block.
Specific embodiment
As shown in figure 1, soft initiator shorting switch, including centrifugal-block 16, described centrifugal-block 16 is fixed on swinging axle 15.
Described swinging axle 15 is connected with rotating shaft 1 away from one end of described centrifugal-block 16, is set with sheath 3, described rotating shaft outside described rotating shaft 1
It is provided with wind spring 4 between 1 and described sheath 3.The outer end of wind spring 4 is fixed on sheath 3, and the inner of wind spring 4 is fixed on rotating shaft 1, when
When rotating shaft 1 rotates, wind spring 4 energy storage, when the centrifugal force of centrifugal-block 16 disappears, wind spring orders about rotating shaft 1 and resets.Described rotating shaft 1
Top is provided with thread segment 7, and on described thread segment 7, threaded engagement has slide block 20, and described slide block 20 is located at the top of described wind spring 4,
It is provided with the anti-rotation device preventing described slide block 20 rotation it is ensured that rotating shaft 1 rotates, slide block between described sheath 3 and described slide block 20
20 move up and down.The upper surface of described slide block 20 is fixed with energy-stored spring 6, and the other end of described energy-stored spring 6 is connected with dynamic touching
8, it is fixed with static contact 10 on the described sheath 3 of described moving contact 8 top.
Also include allowing or stop the opening device to the movement of described static contact 20 for the moving contact 8, described opening device includes
Torsion spring 12, described torsion spring 12 is wrapped in the outside of described sheath 3, and described sheath 3 is provided with pilot hole 13, one end of described torsion spring 12
It is fixed on described sheath 3, the other end of described torsion spring 12 passes through described pilot hole 13 and stretches in described sheath 3, described dynamic
One end that contact 8 closes on described static contact 10 is provided with taper buffering suface 9, and described torsion spring 12 is against on described buffering suface 9.
Further, the outside of described sheath 3 is provided with installation set 14, and described torsion spring 12 is arranged on described installation set 14 and institute
State between sheath 3.
Further, described moving contact 8 is provided with the cylindrical section being connected with described buffering suface 9, and the length of described cylindrical section is big
In described cylindrical section and described static contact 10 distance it is ensured that when moving contact 8 is contacted with static contact 10, torsion spring 12 is in compression shape
State, and then ensure that moving contact 8 smoothly resets.Preferably, described static contact 10 is provided with link slot 11, described link slot 11 interior
The appearance and size of chamber shape and described cylindrical section is adapted, cylindrical section contact with link slot 11 side wall guarantee moving contact 8 with quiet
The connection of contact 12.
Further, described anti-rotation device includes the anti-blade-rotating 5 being fixed on described slide block 20, the inner side of described sheath 3
Wall is provided with the axially extended anti-rotation groove 2 along described sheath 3, and described anti-blade-rotating 5 is inserted in described anti-rotation groove 2.Preferably, institute
The opposite sides stating slide block 20 is provided with anti-blade-rotating 5 described in two, the madial wall of described sheath 3 be provided with respectively with blade-rotating anti-described in two
5 anti-rotation grooves 2 described in two matching.
Operation principle：As depicted in figs. 1 and 2, shorting switch is arranged in chassis 18 by mounting seat 17, and chassis 18 is installed
Motor shaft 19 rotates with the rotation of motor shaft 19, centrifugal-block 16 is under the influence of centrifugal force to away from motor shaft 19
Move in direction, swinging axle 15 swings and then drives rotating shaft 1 to rotate.Motor passes through liquid resistance box soft start, and motor shaft 19 rotates, centrifugation
Block 16 do centrifugal motion drive balance staff 15 swing, balance staff 15 orders about rotating shaft 1 and rotates, slide block 20 under the drive of rotating shaft 1 on move, by
Moving contact is blocked by the presence in torsion spring 12, energy-stored spring 6 compress energy storage, when motor shaft 19 reaches certain rotating speed, energy storage bullet
The elastic force of spring 6 is more than the resistance of torsion spring 12, and the restriction that moving contact 8 departs from torsion spring 12 is moved rapidly to static contact 10 and contacted；When
When motor shaft 19 rotating speed declines, rotating shaft 1 is turned round in the presence of wind spring 4, and now slide block 20 drives energy-stored spring 6 and moving contact 8
Reset.
Of the present utility model general principle, principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Principle of the present utility model is simply described, on the premise of without departing from the utility model spirit and scope, the utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (6)
1. soft initiator shorting switch it is characterised in that：Including centrifugal-block, described centrifugal-block is fixed on swinging axle, described pendulum
Moving axis is connected with rotating shaft away from one end of described centrifugal-block, is set with sheath outside described rotating shaft, described rotating shaft and described sheath it
Between be provided with wind spring, the top of described rotating shaft is provided with thread segment, and on described thread segment, threaded engagement has slide block, described slide block be located at institute
State the top of wind spring, between described sheath and described slide block, be provided with the anti-rotation device preventing described slide block from rotating；Described slide block
Upper surface is fixed with energy-stored spring, and the other end of described energy-stored spring is connected with moving contact, the institute above described moving contact
State and static contact is fixed with sheath；Also include allowing or stop the opening device to described static contact movement for the described moving contact, institute
State opening device and include torsion spring, described torsion spring is wrapped in the outside of described sheath, described sheath is provided with pilot hole, described torsion spring
One end is fixed on described sheath, and the other end of described torsion spring passes through described pilot hole and stretches in described sheath, described dynamic tactile
Head includes cylindrical section, and one end linking that described cylindrical section closes on described static contact has taper buffering suface, and described torsion spring is against described
On buffering suface.
2. soft initiator shorting switch as claimed in claim 1 it is characterised in that：The outside of described sheath is provided with installation set,
Described torsion spring is arranged between described installation set and described sheath.
3. soft initiator shorting switch as claimed in claim 1 it is characterised in that：The length of described cylindrical section is more than described circle
Shell of column and the distance of described static contact.
4. soft initiator shorting switch as claimed in claim 1 it is characterised in that：Described static contact is provided with link slot, described
The cavity shape of link slot is adapted with the appearance and size of described cylindrical section.
5. soft initiator shorting switch as claimed in claim 1 it is characterised in that：Described anti-rotation device includes being fixed on described
Anti- blade-rotating on slide block, the madial wall of described sheath is provided with the axially extended anti-rotation groove along described sheath, described anti-blade-rotating
Insert in described anti-rotation groove.
6. soft initiator shorting switch as claimed in claim 5 it is characterised in that：The opposite sides of described slide block is provided with two institutes
State anti-blade-rotating, the madial wall of described sheath is provided with the anti-rotation groove described in two matching respectively with blade-rotating anti-described in two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826637.0U CN205961003U (en) | 2016-08-02 | 2016-08-02 | Soft starter shorting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826637.0U CN205961003U (en) | 2016-08-02 | 2016-08-02 | Soft starter shorting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961003U true CN205961003U (en) | 2017-02-15 |
Family
ID=57973264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620826637.0U Expired - Fee Related CN205961003U (en) | 2016-08-02 | 2016-08-02 | Soft starter shorting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961003U (en) |
-
2016
- 2016-08-02 CN CN201620826637.0U patent/CN205961003U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20200802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |