CN104916510B - A kind of resetting means of thermorelay - Google Patents
A kind of resetting means of thermorelay Download PDFInfo
- Publication number
- CN104916510B CN104916510B CN201510256791.9A CN201510256791A CN104916510B CN 104916510 B CN104916510 B CN 104916510B CN 201510256791 A CN201510256791 A CN 201510256791A CN 104916510 B CN104916510 B CN 104916510B
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- CN
- China
- Prior art keywords
- release link
- push rod
- resetting
- thermorelay
- reset
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
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- Mechanical Control Devices (AREA)
Abstract
The present invention relates to a kind of resetting means of thermorelay.There is unstability because of the difference that cooperates between direction of operating or part in the reset function mainly solving the resetting means of existing thermorelay, have some setbacks when leading to toward intrinsic pressure touching the button, and leads to the difficult problem of product return.Including pedestal, panel, resetting-mechanism, push rod and contact mechanism, resetting-mechanism includes reset knob, release link and back-moving spring, the outer end of reset knob is concordant with panel surface, the inner is provided with involute screw cylinder, release link is provided with the extension with the cooperation of involute screw cylinder top pressure, and when release link includes threading off, push rod axially promotes pushrod movement to make the second position that contact mechanism resets near the primary importance of release link and involute screw cylinder top pressure release link.Because the reset knob of the resetting means of this thermorelay adopts the design of involute screw cylinder, knob only need to rotate and just can achieve the automatic, switching of hand-reset, and operation easily, conveniently, effectively ensures stability, the reasonability of reset function, and aesthetic property is strong.
Description
Technical field
The present invention relates to a kind of relay, refer in particular to a kind of resetting means of thermorelay.
Background technology
Existing machinery formula thermal overload relay has manually and automatically reset function, its manually, the cutting of auto-reset function
Change is to be realized by a rotary knob.Switch to the position that automatically resets from hand-reset position：Must first by button to intrinsic pressure
Rotate 90 ° again by a segment distance；It is switched to hand-reset position from the position that automatically resets：Opposite direction rotates an angle, button warp
The effect of spring bounces off product end surface immediately, forms a segment distance and rests on H position.When the heat product that continues is in hand-reset position
When：If product is threaded off because of malfunction, need to press manually touches the button makes product reset, but this reset function is because of direction of operating or part
Between the difference that cooperates there is unstability, have some setbacks or even need to artificially adjust certain orientation and just can make when leading to toward intrinsic pressure touching the button
Button can be pressed to ensure product return toward intrinsic pressure.
Content of the invention
In order to overcome shortcoming and the weak point of background technology, solve the reset function of the resetting means of existing thermorelay
Because the difference that cooperates between direction of operating or part has unstability, have some setbacks when leading to toward intrinsic pressure touching the button, lead to product to return
The difficult problem in position.
The technical scheme is that：A kind of resetting means of thermorelay, including pedestal, panel, resetting-mechanism, push rod
And contact mechanism, in pedestal, described resetting-mechanism is driven by push rod for described resetting-mechanism, push rod and contact mechanism
Contact mechanism resets, and described panel is connected with the outer end of pedestal, and described resetting-mechanism includes reset knob, release link and answers
Position spring, is provided with chute in described pedestal, described reset knob, release link and back-moving spring are sequentially coaxially arranged at chute
Interior, described reset knob passes through panel and its outer end is concordant with panel surface, and the inner is provided with involute screw cylinder, described reset
Bar is provided with the extension with the cooperation of described involute screw cylinder top pressure, and described release link includes contact mechanism dropout drive and pushes away
Bar rotates along chute and passes through to extend described in involute screw cylinder top pressure near the primary importance of release link and reset knob
Portion constitutes release link axially-movable and promotes described pushrod movement to make the second position that described contact mechanism resets.
Described release link is provided with groove, and described groove includes the first plane, inclined plane and the second plane, and described first
Pass through inclined plane transition, described primary importance is push rod near the first plane, the described second position between plane and the second plane
Slip into the second plane for push rod along inclined plane.
Described extension is push rod, is eccentrically set on the end of release link.
Described extension and release link integrally connected.
The outer end of described chute is provided with baffle plate, and described reset knob is provided with the step with described baffle plate clamping matching.
Described reset knob is provided with boss, described panel be provided be separated by 90 ° and with the spacing cooperation of described boss
Gear groove.
Described panel and pedestal are fastened.
The invention has the advantages that：Reset knob due to the resetting means of this thermorelay adopts involute spiral shell
Rotation cylinder designs, and knob only need to rotate and just can achieve the automatic, switching of hand-reset, and operation easily, conveniently, is prevented effectively from tradition
Using pressure, error occurs on time to lead to press situation about having some setbacks by being obstructed, thus ground ensures the stability of reset function, reasonability,
And aesthetic property is strong.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of the present invention.
Fig. 3 is the structural representation of reset knob in the present invention.
Fig. 4 is the structural representation of panel in the present invention.
Fig. 5 is the structural representation of push rod in the present invention.
In figure, pedestal 1, panel 2, push rod 3, reset knob 4, release link 5, back-moving spring 6, chute 7, involute borded pile
Face 8, extension 9, groove 10, the first plane 101, inclined plane 102, the second plane 103, baffle plate 11, step 12, boss 13, shelves
Position groove 14, lever 15, rocking arm 16, extension spring 17, swing arm 18.
Specific embodiment
It is described further below for embodiments of the invention：
As illustrated, a kind of resetting means of thermorelay, including pedestal 1, panel 2, resetting-mechanism, push rod and contact
Mechanism, described resetting-mechanism, push rod 3 and contact mechanism are located in pedestal 1, and described resetting-mechanism carries moving contact by push rod 3
Reset, described panel 2 is connected with the outer end of pedestal 1, and described resetting-mechanism includes reset knob 4, release link 5 and answers
Position spring 6, is provided with chute 7, described reset knob 4, release link 5 and back-moving spring 6 are sequentially coaxially arranged in described pedestal 1
In chute 7, described reset knob 4 passes through panel 2 and its outer end and panel 2 flush, and the inner is provided with involute screw cylinder
8, described release link 5 is provided with the extension 9 with the cooperation of described involute screw cylinder 8 top pressure, and described release link 5 includes contact
Mechanical unlocking drives push rod 3 to rotate along chute 7 and pass through involute spiral shell near the primary importance of release link 5 and reset knob 4
Extension 9 described in rotation cylinder 8 top pressure constitutes release link 5 and axially promotes described push rod 3 motion that described contact mechanism is resetted
The second position.By an involute screw cylinder is designed on reset knob, release link is realized by spinning reduction knob
Move forward and backward.Can achieve hand-reset and automatically reset switching：It is in when reset knob and release link are initially assembled
Hand-reset position, if be switched to automatically reseting, because gear limits, the reset knob that only need to turn clockwise cannot turn be extremely
Only.Conversely, till only reset knob need to being rotated counterclockwise to rotate；During product work, when reset knob is in figure
H position, double gold heated bendings of product, promote the lever 15 of push rod to swing to the left, lever 15 band motion rocker arm 16 moves, rocking arm
16 drive swing arm 18 by extension spring 17, drive push rod 3 to left movement, when being in primary importance after swing arm 18 motion one angle
Stop, need to making reset knob one low-angle that only need to turn clockwise of product that product can be made to reset, that is, the second position is again by knob
Rotating counterclockwise to H position makes product be maintained at hand-reset position；
In the present invention, described release link is provided with groove 10, and described groove 10 includes the first plane 101, inclined plane 102
And second plane 103, pass through inclined plane 102 transition between described first plane 101 and the second plane 103, described first
It is set to push rod 3 near the first plane 101, the described second position slips into the second plane 103 for push rod 3 along inclined plane 102.Product
Double gold heated bendings, by above-mentioned push rod make pushrod movement to release link the first plane 101 at stop, product need to be made
Reset knob one low-angle that only need to turn clockwise, and promotes push rod that product can be made to reset by inclined plane 102, then knob is inverse
Hour hands rotate makes product be maintained at hand-reset position to H position；If product need to be made to be maintained at A automatically reset position, clockwise
Rotary knob, the spiral circle cylinder of reset knob constantly promotes reset push rod 2 to the second plane 103 to align with push rod left plane.
In the present invention, described extension 9 is push rod, is eccentrically set on the end of release link 5.Push rod is eccentrically set on multiple
On the bar of position, can effectively coordinate with involute screw cylinder 8 so that when the rotation knob that resets rotates, involute screw cylinder 8 is not
Disconnected top pressure is on the push rod position of release link so that release link smoothly moves axially.
In the present invention, described extension 9 and release link 5 integrally connected.Both are integral type structure, are easy to process, surely
Qualitative good.
In the present invention, the outer end of described chute is provided with baffle plate 11, and described reset knob 4 is provided with and is blocked with described baffle plate 11
The step 12 of position cooperation.Joined by going out to arrange, in the port of chute, the cylinder step screens being formed on baffle plate and reset knob 4
Close, prevent reset knob 4 from departing from chute, effectively ensure that reset knob rotates along chute.
In the present invention, described reset knob 4 is provided with boss 13, and described panel 2 is provided with and is separated by 90 ° and convex with described
The spacing cooperation of platform 13 gear groove 14.Gear groove is circumferential 90 ° of strokes, as illustrated, A, H position, reset knob 4 passes through
Boss 13 rotates along gear groove, and the switching of hand-reset position only needs to can achieve along 90 ° of rotary knobs counterclockwise.
In the present invention, described panel 2 and pedestal 1 are fastened.Panel 2 is interlockingly connected with pedestal 1, easy accessibility.
Embodiment is not construed as the restriction to invention, but any spiritual improvements introduced based on the present invention, all Ying Ben
Within the protection domain of invention.
Claims (7)
1. a kind of resetting means of thermorelay, including pedestal（1）, panel（2）, resetting-mechanism, push rod（3）And contact machine
Structure, described resetting-mechanism, push rod（3）And contact mechanism is located at pedestal（1）Interior, described resetting-mechanism passes through push rod（3）Drive
Contact mechanism resets, described panel（2）With pedestal（1）Outer end be connected it is characterised in that：Described resetting-mechanism includes resetting
Knob（4）, release link（5）And back-moving spring（6）, described pedestal（1）Inside it is provided with chute（7）, described reset knob（4）, multiple
Position bar（5）And back-moving spring（6）Sequentially coaxially it is arranged at chute（7）Interior, described reset knob（4）Through panel（2）And its
Outer end and panel（2）Flush, the inner is provided with involute screw cylinder（8）, described release link（5）It is provided with and gradually open with described
Line screw cylinder（8）The extension of top pressure cooperation（9）, described release link（5）Thread off including contact mechanism and drive push rod（3）Close
Release link（5）Primary importance and reset knob（4）Along chute（7）Rotate and pass through involute screw cylinder（8）Top pressure institute
State extension（9）Constitute release link（5）Axially-movable promotes described push rod（3）Motion makes second that described contact mechanism resets
Position.
2. a kind of thermorelay according to claim 1 resetting means it is characterised in that：Described release link is provided with recessed
Groove（10）, described groove（10）Including the first plane（101）, inclined plane（102）And second plane（103）, described first is flat
Face（101）With the second plane（103）Between pass through inclined plane（102）Transition, described primary importance is push rod（3）Flat near first
Face（101）, the described second position is push rod（3）Along inclined plane（102）Slip into the second plane（103）.
3. a kind of thermorelay according to claim 1 and 2 resetting means it is characterised in that：Described extension（9）For
Push rod, is eccentrically set on release link（5）End.
4. a kind of thermorelay according to claim 3 resetting means it is characterised in that：Described extension（9）With multiple
Position bar（5）Integrally connected.
5. a kind of thermorelay according to claim 1 and 2 resetting means it is characterised in that：Described chute（7）Outer
End is provided with baffle plate（11）, described reset knob（4）It is provided with and described baffle plate（11）The step of clamping matching（12）.
6. a kind of thermorelay according to claim 1 and 2 resetting means it is characterised in that：Described reset knob（4）
It is provided with boss（13）, described panel（2）Be provided be separated by 90 ° and with described boss（13）Spacing cooperation gear groove
（14）.
7. a kind of thermorelay according to claim 1 and 2 resetting means it is characterised in that：Described panel（2）With base
Seat（1）It is fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256791.9A CN104916510B (en) | 2015-05-20 | 2015-05-20 | A kind of resetting means of thermorelay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256791.9A CN104916510B (en) | 2015-05-20 | 2015-05-20 | A kind of resetting means of thermorelay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104916510A CN104916510A (en) | 2015-09-16 |
| CN104916510B true CN104916510B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510256791.9A Active CN104916510B (en) | 2015-05-20 | 2015-05-20 | A kind of resetting means of thermorelay |
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| Country | Link |
|---|---|
| CN (1) | CN104916510B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790583A (en) * | 2005-12-07 | 2006-06-21 | 上海电器科学研究所（集团）有限公司 | Thermomagnetic type release and its current adjusting knob |
| DE102006018852B3 (en) * | 2006-04-22 | 2007-09-13 | Moeller Gmbh | Protective switch for e.g. motor protection, has additional modules that are inserted into and/or pulled out from insertion slot using locking device, where movement of additional modules is locked by device |
| CN201584385U (en) * | 2009-12-30 | 2010-09-15 | 常熟开关制造有限公司(原常熟开关厂） | Reset button device |
| CN202816832U (en) * | 2012-07-27 | 2013-03-20 | 浙江正泰电器股份有限公司 | Thermal overload relay |
| CN204632701U (en) * | 2015-05-20 | 2015-09-09 | 浙江天正电气股份有限公司 | A kind of resetting means of thermal relay |
-
2015
- 2015-05-20 CN CN201510256791.9A patent/CN104916510B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790583A (en) * | 2005-12-07 | 2006-06-21 | 上海电器科学研究所（集团）有限公司 | Thermomagnetic type release and its current adjusting knob |
| DE102006018852B3 (en) * | 2006-04-22 | 2007-09-13 | Moeller Gmbh | Protective switch for e.g. motor protection, has additional modules that are inserted into and/or pulled out from insertion slot using locking device, where movement of additional modules is locked by device |
| CN201584385U (en) * | 2009-12-30 | 2010-09-15 | 常熟开关制造有限公司(原常熟开关厂） | Reset button device |
| CN202816832U (en) * | 2012-07-27 | 2013-03-20 | 浙江正泰电器股份有限公司 | Thermal overload relay |
| CN204632701U (en) * | 2015-05-20 | 2015-09-09 | 浙江天正电气股份有限公司 | A kind of resetting means of thermal relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104916510A (en) | 2015-09-16 |
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