CN206489998U - Mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker - Google Patents
Mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker Download PDFInfo
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- CN206489998U CN206489998U CN201720091474.0U CN201720091474U CN206489998U CN 206489998 U CN206489998 U CN 206489998U CN 201720091474 U CN201720091474 U CN 201720091474U CN 206489998 U CN206489998 U CN 206489998U
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Abstract
The utility model is related to the mechanism with flexible splitting lock cushioning anti-rebounding device on a kind of low-voltage circuit breaker, low-voltage circuit breaker includes two fixed plates in left and right, being located at is used for the main shaft for constituting transmission mechanism between two fixed plates, and the contact mechanism between two fixed plates of setting, mechanism with flexible splitting lock cushioning anti-rebounding device includes support, lubricating cup, cup emits, piston, connecting lever and roller, support is fixed in fixed plate, lubricating cup is fixed on support, lubricating cup is built with fluid, piston is located in lubricating cup, the upper end of piston is connected with cup and emitted, connecting lever is connected on main shaft, roller is connected between two connecting levers, roller is located at the surface that cup emits, in breaker closing state, roller emits with cup not to be contacted, in breaker open operation, main axis drives compression cup under roller motion to emit, cup emits band piston and moved downward, compress the fluid in lubricating cup.When breaker open operation is very fast, open away from the case of less, the utility model mechanism can reduce bounce-back during breaker open operation.
Description
Technical field
The utility model is related to a kind of breaker mechanism, more particularly, to a kind of flexible splitting lock cushioning of band on low-voltage circuit breaker
The mechanism of anti-rebounding device.
Background technology
Existing low-voltage circuit breaker mechanism is spacing using rigid separating brake, and this mechanism arrangement can rebound the separating brake of breaker width
Value control within the specific limits, when it is not quickly that breaker, which is opened away from larger and opening velocity, can play anti-rebound effect, but work as
Low-voltage circuit breaker open away from it is smaller when, it is desirable to the opening velocity of breaker is very fast, and to reach reliable separating brake, now, mechanism is still
Using rigid limit device, then the amplitude that rebounded during breaker open operation can be very big, causes breaker to occur arcing, re-breakdown phenomenon.
It is therefore desirable to a kind of mechanism with flexible buffer anti-rebounding device be designed, when breaker open operation is very fast, open away from less situation
Under, to reduce bounce-back during breaker open operation.
Chinese patent CN 202905577U disclose a kind of vacuum circuit breaker with flexible splitting lock cushioning energy absorption device,
Belong to vacuum circuit breaker technical field.Including insulation shell, the operating mechanism being arranged on insulation shell, linkage, contact
The vacuum interrupter on insulation shell is supported and is arranged on, linkage includes connecting rod and the lever with axle, and lever is arranged on
On insulation shell, one end and the operating mechanism of connecting rod are hinged, and one end of the other end and lever, are hinged, the other end of lever with, touch
One end that head is supported is hinged, and the other end that contact is supported is connected with, vacuum interrupter, feature：Corresponding to lever and position
Flexible splitting lock cushioning energy absorption device is set in the side of connecting rod, flexible splitting lock cushioning energy absorption device is fixed on insulation shell.
Flexible splitting lock cushioning energy absorption device employs two ways in the patent, and one kind is liquid shock absorber, and another is spring buffer
Device, its liquid shock absorber is to hit by lance to compress fluid using the rotation of linkage, converts kinetic energy into the heat of fluid
Energy and internal friction, and then expend energy.
Utility model content
The purpose of this utility model is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of low pressure open circuit
Mechanism with flexible splitting lock cushioning anti-rebounding device on device.
The utility model uses oily buffer unit, by adjusting its damped coefficient ratio and oil mass, controls breaker
Opening velocity, and by adjusting its setting height(from bottom) in breaker mechanism, accurate adjustment control breaker open away from.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker, described low-voltage circuit breaker includes a left side
Right two fixed plates, it is located at the main shaft for being used between two fixed plates constitute transmission mechanism, and sets between two fixed plates
Contact mechanism, the mechanism with flexible splitting lock cushioning anti-rebounding device include support, lubricating cup, cup emit, piston, connecting lever and roller,
Described support is fixed in fixed plate, and described lubricating cup is fixed on support, and described lubricating cup is built with fluid, described work
Plug is located in lubricating cup, and the upper end of described piston is connected with cup and emitted, and described connecting lever is connected on main shaft, described roller connection
Between two connecting levers, described roller is located at the surface that cup emits, and in breaker closing state, roller emits with cup not to be connect
Touch, in breaker open operation, main axis drives compression cup under roller motion to emit, cup emits band piston and moved downward, and compresses lubricating cup
In fluid.
Described support, described support are separately mounted in two fixed plates in left and right, and described lubricating cup is provided with two, point
Piston An Zhuan not be respectively equipped with each lubricating cup and is emitted with cup, two connecting levers are respectively equipped with the two ends of main shaft on two support,
Roller is respectively equipped between two connecting levers, two rollers are located at the top that two cups emit respectively.
Mechanism with flexible splitting lock cushioning anti-rebounding device in the utility model is arranged in pairs, and is the consideration in balance,
Preferably provide its stability of equilibrium.
Described support offers centre bore, and described lubricating cup passes vertically through the centre bore of support, and is installed by screw
On support.
Adjust the height of lubricating cup by installing pad additional on support, and then adjust cup and the distance between emit with roller, from
And accurately adjust breaker open away from.
Described connecting lever is connected on main shaft, is connected with roller by straight pin between two connecting levers, is fixed on roller
Between two connecting levers.
The top of described lubricating cup is provided with cup lid, and described piston is located in lubricating cup, and piston stage casing passes through cup lid, on
End emits with cup to be connected.
Described lubricating cup is tubular structure.
Lubricating cup, piston and cup emit the oily buffer unit of composition, and during breaker closing state, roller emits with cup not to be contacted, and oil is slow
Fluid of the flushing device in the state that do not stress, lubricating cup is static to be distributed in lubricating cup bottom.When breaker open operation, spindle axis counterclockwise
Rotate, drive connecting lever together to rotate counterclockwise, the roller in the middle of connecting lever is tangentially moved counterclockwise, is made by accurate calculation
Oily buffer unit right position is rationally proper so that when roller motion is to when being pressed onto cup and emitting, cup emits band piston and transported vertically downward
Dynamic, until cup emits to be depressed into and fitted with cup lid upper surface, the gap of the fluid of lubricating cup inner bottom part between piston and lubricating cup is upward
Backflow, pair roller produces upward resistance, now just serves the effect for reducing separating brake bounce-back amplitude.
Compared with prior art, the utility model has advantages below and beneficial effect：
1st, the utility model pushes piston using connecting lever and roller so that piston pushes fluid, produces pair roller upward
Resistance, and then serve reduce separating brake rebound amplitude effect.
2nd, the mechanism with flexible splitting lock cushioning anti-rebounding device in the utility model is arranged in pairs, and is examining in balance
Consider, preferably there is provided its stability of equilibrium.
3rd, the utility model can adjust the height of lubricating cup by installing pad additional on support, and then regulation cup emits and rolled
Wheel the distance between so that accurately adjustment breaker open away from.
Brief description of the drawings
Fig. 1 is the utility model mechanism main structure diagram under breaker closing state；
Fig. 2 is the utility model mechanism side structure schematic view under breaker closing state；
Fig. 3 is the utility model mechanism side structure schematic view under breaker open operation state.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker, as shown in Figure 1-Figure 3, low pressure open circuit
Device includes two fixed plates 1 in left and right, be located at two fixed plates 1 between be used for the main shaft 2 that constitutes transmission mechanism, and set two
Contact mechanism between fixed plate 1, the mechanism with flexible splitting lock cushioning anti-rebounding device includes support 9, lubricating cup 10, cup and emits 5, lives
Plug 6, connecting lever 3 and roller 4, support 9 are fixed in fixed plate 1, and lubricating cup 10 is fixed on support 9, and lubricating cup 10 is living built with fluid
Plug 6 is located in lubricating cup 10, and the upper end of piston 6 is connected with cup and emits 5, and connecting lever 3 is connected on main shaft 2, and roller 4 is connected to two connecting levers
Between 3, roller 4 is located at the surface that cup emits 5, and in breaker closing state, roller 4 emits 5 with cup and do not contacted, in breaker point
During lock, main shaft 2, which is rotated, drives the lower compression cup of the motion of roller 4 to emit 5, and cup emits 5 band pistons 6 and moved downward, the oil in compression lubricating cup 10
Liquid.
Support 9, support 9 are separately mounted in two fixed plates 1 in left and right, and lubricating cup 10 is provided with two, is separately mounted to two
On support 9, piston 6 is respectively equipped with each lubricating cup 10 and emits 5 with cup, two connecting levers 3, two are respectively equipped with the two ends of main shaft 2
Roller 4 is respectively equipped between connecting lever 3, two rollers 4 are located at the top that two cups emit 5 respectively.Flexible point of band in the utility model
The mechanism of lock buffering anti-rebounding device is arranged in pairs, and is the consideration in balance, preferably there is provided its stability of equilibrium.
Support 9 offers centre bore, and lubricating cup 10 passes vertically through the centre bore of support 9, and is arranged on support 9 by screw 8
On.The height of lubricating cup 10 is adjusted by installing pad additional on support 9, and then adjusts cup and emits the distance between 5 and roller 4, from
And accurately adjust breaker open away from.Connecting lever 3 is connected on main shaft 2, and roller 4 is connected with by straight pin 11 between two connecting levers 3,
Roller 4 is set to be fixed between two connecting levers 3.The top of lubricating cup 10 is provided with cup lid 7, and the lower end of piston 6 is located in lubricating cup 10, piston 6
Stage casing passes through cup lid 7, and upper end emits 5 with cup and is connected.Lubricating cup 10 is tubular structure.
Lubricating cup 10, piston 6 and cup emit the oily buffer unit of 5 compositions, as shown in Figure 1, 2, during breaker closing state, roller 4
5 are emitted with cup not contact, the fluid that oily buffer unit is in the state that do not stress, lubricating cup 10 is static to be distributed in the bottom of lubricating cup 10.Such as
Shown in Fig. 3, when breaker open operation, main shaft 2 is rotated counterclockwise, and drives connecting lever 3 together to rotate counterclockwise, the rolling in the middle of connecting lever 3
Wheel 4 is tangentially moved counterclockwise, makes oily buffer unit right position rationally proper by accurate calculation so that when roller 4
Move to when being pressed onto cup and emitting 5, cup emits the 5 band vertical downward movements of piston 6, be depressed into and fitted with the upper surface of cup lid 7 until cup emits 5,
Gap of the fluid of the inner bottom part of lubricating cup 10 between piston 6 and lubricating cup 10 is backed up, and pair roller 4 produces upward resistance,
Now just serve the effect for reducing separating brake bounce-back amplitude.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using practicality
It is new.Person skilled in the art obviously can easily make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without passing through performing creative labour.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art disclose according to of the present utility model, do not depart from improvement that the utility model category made and
Modification all should be within protection domain of the present utility model.
Claims (7)
1. a kind of mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker, described low-voltage circuit breaker includes left and right
Two fixed plates (1), the main shaft (2) for being used between two fixed plates (1) constitute transmission mechanism is located at, and two fixations are set
Contact mechanism between plate (1), it is characterised in that
Mechanism with flexible splitting lock cushioning anti-rebounding device includes support (9), lubricating cup (10), cup and emits (5), piston (6), connecting lever
(3) and roller (4), described support (9) is fixed in fixed plate (1), and described lubricating cup (10) is fixed on support (9), institute
The lubricating cup (10) stated is built with fluid, and described piston (6) is located in lubricating cup (10), and the upper end of described piston (6) is connected with
Cup is emitted (5), and described connecting lever (3) is connected on main shaft (2), and described roller (4) is connected between two connecting levers (3), described
Roller (4) be located at cup and emit the surface of (5), in breaker closing state, roller (4) emits (5) with cup and not contacted, in open circuit
During device separating brake, main shaft (2), which is rotated, drives the lower compression cup of roller (4) motion to emit (5), and cup emits (5) band piston (6) and moved downward, and presses
Fluid in contracting lubricating cup (10).
2. the mechanism with flexible splitting lock cushioning anti-rebounding device on a kind of low-voltage circuit breaker according to claim 1, it is special
Levy and be, described support (9), described support (9) are separately mounted on two fixed plates (1) in left and right, described lubricating cup
(10) two are provided with, is separately mounted on two supports (9), piston (6) is respectively equipped with each lubricating cup (10) and emits (5) with cup,
It is respectively equipped with the two ends of main shaft (2) between two connecting levers (3), two connecting levers (3) and is respectively equipped with roller (4), two rollers (4)
It is located at the top that two cups emit (5) respectively.
3. the mechanism with flexible splitting lock cushioning anti-rebounding device on a kind of low-voltage circuit breaker according to claim 1, it is special
Levy and be, described support (9) offers centre bore, and described lubricating cup (10) passes vertically through the centre bore of support (9), and passes through
Screw (8) is arranged on support (9).
4. the mechanism with flexible splitting lock cushioning anti-rebounding device on a kind of low-voltage circuit breaker according to claim 1, it is special
Levy and be, adjust the height of lubricating cup (10) by installing pad additional on support (9), so adjust cup emit (5) and roller (4) it
Between distance so that adjust breaker open away from.
5. the mechanism with flexible splitting lock cushioning anti-rebounding device on a kind of low-voltage circuit breaker according to claim 1, it is special
Levy and be, described connecting lever (3) is connected on main shaft (2), roller is connected with by straight pin (11) between two connecting levers (3)
(4)。
6. the mechanism with flexible splitting lock cushioning anti-rebounding device on a kind of low-voltage circuit breaker according to claim 1, it is special
Levy and be, the top of described lubricating cup (10) is provided with cup lid (7), and described piston (6) lower end is located in lubricating cup (10), piston
(6) stage casing passes through cup lid (7), and upper end emits (5) with cup and is connected.
7. the mechanism with flexible splitting lock cushioning anti-rebounding device on a kind of low-voltage circuit breaker according to claim 1, it is special
Levy and be, described lubricating cup (10) is tubular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091474.0U CN206489998U (en) | 2017-01-22 | 2017-01-22 | Mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091474.0U CN206489998U (en) | 2017-01-22 | 2017-01-22 | Mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN206489998U true CN206489998U (en) | 2017-09-12 |
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ID=59766153
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720091474.0U Active CN206489998U (en) | 2017-01-22 | 2017-01-22 | Mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker |
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| CN (1) | CN206489998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346529A (en) * | 2017-01-22 | 2018-07-31 | 上海电器股份有限公司人民电器厂 | A kind of mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker |
-
2017
- 2017-01-22 CN CN201720091474.0U patent/CN206489998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346529A (en) * | 2017-01-22 | 2018-07-31 | 上海电器股份有限公司人民电器厂 | A kind of mechanism with flexible splitting lock cushioning anti-rebounding device on low-voltage circuit breaker |
| CN108346529B (en) * | 2017-01-22 | 2020-06-19 | 上海电器股份有限公司人民电器厂 | Mechanism with flexible brake-separating buffering anti-rebound device on low-voltage circuit breaker |
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