CN204464194U - A kind of switch disconnector with three look displays - Google Patents
A kind of switch disconnector with three look displays Download PDFInfo
- Publication number
- CN204464194U CN204464194U CN201520163553.9U CN201520163553U CN204464194U CN 204464194 U CN204464194 U CN 204464194U CN 201520163553 U CN201520163553 U CN 201520163553U CN 204464194 U CN204464194 U CN 204464194U
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- China
- Prior art keywords
- displaying block
- support seat
- trigger
- connecting rod
- base plate
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Abstract
The utility model discloses a kind of switch disconnector with three look displays, its structure comprises base plate, be installed on base plate moving contact, fixed contact, displaying block, mechanism's support seat, viewing window is formed on base plate, this displaying block and mechanism's support seat are coaxially rotatable to be arranged on base plate, the position of the corresponding viewing window of displaying block is provided with three look display surfaces, a trigger is had between this mechanism's support seat and displaying block, this trigger is rotatable to be installed on displaying block, one end of trigger has the display surface inner face that elastic arm is resisted against displaying block, the other end of trigger and the contact-making surface of mechanism's support seat are provided with the snap close that can stop displaying block spinning movement, separating brake at the moving contact and fixed contact, when combined floodgate and fault three kinds of different conditions, the corresponding unblock or sealed of this snap close, control the corresponding viewing window of the aobvious section of looking of difference of displaying block, by this kind of design, when displaying block switches different display surface, resistance is little, action is fast, error is little.
Description
Technical field
The utility model relates to line protection switch art, refers in particular to a kind of switch disconnector with three look displays.
Background technology
As everyone knows; low-voltage electrical apparatus system needs to use suitable protective device; miniature circuit breaker is due to its modularization, the advantage such as volume is little, breaking capacity is high and clamping-rail is easy for installation; be subject to the favor in market; be widely used in the place such as utilities building and private residence, as the use of the divide-shut brake of electrical equipment, overload, short-circuit protection.
Existing miniature circuit breaker also has defect: switch disconnector is generally separated moving contact and fixed contact when circuit malfunctions; can judge to be in separating brake or combined floodgate two states by handle position; but whether can not be in fault to current protection switch device to remind, fault prompting function imperfection.
In view of this, Chinese utility model patent 201310702310.3 discloses the switch disconnector that a kind of tape jam is reminded, the indicating device of this circuit breaker is formed with the first pivoted hole, this indicating device is rotated by the first pivoted hole and is arranged on bolster, this indicating device is provided with indicator collet, this indicator collet is divided into along the circumferencial direction taking bolster as the center of circle instruction section that three have different colours successively, this indicator collet also forms the first auxiliary section, these clamping plate are just also being formed with the second auxiliary section to the side of form, match the corresponding position changing indicating device with the diverse location at clamping plate when separating brake and "on" position in this first auxiliary section and the second auxiliary section, this indicating device is also formed with storage tank and the coordinating block as storage tank cell wall between the first pivoted hole and indicator collet, the linkage section of this connecting rod be arranged in storage tank and when switch disconnector is switched to trip status ejection coordinating block so that indicating device is rotated around the first pivoted hole.Compared with conventional art, trip status can show by this utility model, and function is abundanter.But the structure of the operating mechanism of this circuit breaker is loaded down with trivial details, trip speed is slow, causes product interrupting performance to decline.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of switch disconnector with three look displays, its displaying block can be fixed in mechanism's support seat more stablely, relative displacement can not be produced along with the rapid movement of dynamic contact mechanism and mechanism's support seat, and when breaking off relations, smaller resistance is produced to moving contact, can rapid-releasing be realized.
For achieving the above object, the utility model adopts following technical scheme:
A kind of switch disconnector with three look displays, comprise base plate, be installed on the moving contact of base plate, fixed contact, according to separating brake at moving contact and fixed contact, close a floodgate and malfunction and change the displaying block of diverse location, this displaying block is rotatable to be arranged on base plate, viewing window is formed on base plate, the position of the corresponding viewing window of displaying block is provided with three look display surfaces, one mechanism's support seat is coaxially arranged on base plate by centre bore and displaying block, a trigger is had between this mechanism's support seat and displaying block, this trigger is rotatable to be installed on displaying block, one end of trigger has the display surface inner face that elastic arm is resisted against displaying block, the other end of trigger and the contact-making surface of mechanism's support seat are provided with first snap close that can stop displaying block spinning movement.
As a kind of preferred version, described mechanism support seat offers the spacing hole of restriction displaying block amplitude of fluctuation, described displaying block is provided with a haptic element near one end of moving contact, and this haptic element is embedded in spacing hole.
As a kind of preferred version, described moving contact is rotatably installed on the moving contact drive-connecting shaft of mechanism's support seat by axis hole, this moving contact has torsion spring and is installed on moving contact drive-connecting shaft, and the haptic element of displaying block is resisted against on the contact arm of this torsion spring through the spacing hole of mechanism's support seat.
As a kind of preferred version, described first snap close is formed by the first wedge angle protruded on trigger and recessed the first groove fit in mechanism's support seat.
As a kind of preferred version, it is the first arc surface inside described viewing window, described three look display surfaces are respectively the first display surface, the second display surface, the 3rd display surface in different colours, this first, second, third display surface is successively set on second arc surface at displaying block top, and this second arc surface is rotatable fits in the first arc surface.
As a kind of preferred version, described trigger is provided with a unlocking board, described mechanism support seat is provided with the first connecting rod of rotatable action, this first connecting rod have for pushing tow unlocking board touch make first snap close unlock cam part.
As a kind of preferred version, comprised the second connecting rod of interlink function, third connecting rod and pull bar further, this second connecting rod is arranged on base plate by same main shaft is rotatable, and one end of described third connecting rod connects handle, the other end is connected to first connecting rod, and described pull bar is connected to second connecting rod.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, due to the first snap close between trigger of the present utility model and mechanism's support seat, this the first snap close prevents the rotation of displaying block, trigger employing elastic arm is resisted against on displaying block and makes trigger have a precompression, this precompression makes the first snap close maintain only lock status, thus displaying block can be fixed in mechanism's support seat more stablely, relative displacement can not be produced along with the rapid movement of dynamic contact mechanism and mechanism's support seat, effective reduction rotation error, in addition, after the first snap close dropout unblock, displaying block realizes rotating, and save the design of tradition employing torsion spring as auxiliary section, make to produce smaller resistance to moving contact during unhook, circuit breaker can reach the object of rapid-releasing.
Secondly, because displaying block is provided with haptic element near one end of moving contact, this haptic element is resisted against on the contact arm of this torsion spring through the spacing hole of mechanism's support seat, make displaying block under the effect of contact torsion spring elastic force and the first snap close can with mechanism's support seat strong bonded, display by mistake can not be produced in the course of action of circuit breaker; Moreover the rotary driving force of displaying block is provided by contact torsion spring, be not driven by mechanism rod, displaying block can reliably be rotated, and can not be subject to the impact of mechanism kinematic, Presentation Function is reliable and stable.
In addition, because the first snap close is the fit structure by the first wedge angle and the first groove, the power of triping of this kind of shackle designs is very little can not have an impact to the movement velocity of interlinked mechanism.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the assembling schematic perspective view of the embodiment of the utility model;
Fig. 2 is the exploded view of Fig. 1;
Fig. 3 is the front view stereo schematic diagram of interlinked mechanism in the embodiment of the utility model;
Fig. 4 is the back side view stereo schematic diagram of interlinked mechanism in the embodiment of the utility model;
Fig. 5 is the exploded view of Fig. 4;
Fig. 6 be in the embodiment of the utility model by the spacing haptic element of spacing hole to limit the enlarged diagram of displaying block scope of activities;
Fig. 7 is trigger and mechanism's support seat trip status schematic diagram in the embodiment of the utility model;
Fig. 8 is that in Fig. 7, trigger and mechanism's support seat hook tight view;
Fig. 9 is the schematic diagram of the embodiment breaker in middle breaker closing state of the utility model;
Figure 10 is the embodiment breaker in middle circuit breaker of the utility model is switched to trip status schematic diagram by "on" position.
Accompanying drawing identifier declaration:
10, base plate 101, handle installation shaft
102, displaying block drive-connecting shaft 103, shell fragment hooking plate
104, spring abuts plate 105, viewing window
106, the first arc surface
20, handle 30, displaying block
301, displaying block pivoted hole 302, haptic element
303, the first display surface 304, second display surface
305, the 3rd display surface 306, second arc surface
307, trigger drive-connecting shaft 40, moving contact
401, torsion spring 50, fixed contact
70, trigger 701, trigger pivoted hole
702, elastic arm 703, first wedge angle
704, unlocking board 80, mechanism's support seat
801, spacing hole 802, first groove
803, main shaft 804, moving contact drive-connecting shaft
805, first connecting rod drive-connecting shaft 806, spring
90, first connecting rod 901, axis hole
902, cam part 903, second wedge angle
100, second connecting rod 1001, central shaft hole
1003, the second groove 1004, shell fragment holddown groove
1005, arc chute 1006, left block end
1007, right block end 110, third connecting rod
120, shell fragment 130, pull bar.
Embodiment
Please refer to shown in Fig. 1 to Figure 10, that show the concrete structure of the preferred embodiment of the utility model, be a kind of switch disconnector with three look displays, its structure includes base plate 10, is installed on the handle 20 of base plate 10, displaying block 30, moving contact 40, fixed contact 50 and interlinked mechanism.This interlinked mechanism comprises trigger 70, mechanism's support seat 80, first connecting rod 90, second connecting rod 100, third connecting rod 110, shell fragment 120 and pull bar 130.When fault, this interlinked mechanism touches makes this moving contact 40 be separated to fixed contact 50, touch displaying block 30 simultaneously rotates and switches to corresponding display position and handle 20 is rotated from closing position and switch to trip positions.
Wherein, shown in composition graphs 1 and Fig. 2.Described base plate 10 is provided with handle installation shaft 101, displaying block drive-connecting shaft 102, for detaining the shell fragment hooking plate 103 of extension shell fragment 120, the spring abutting plate 104 for spring 806 of conflicting, the top of base plate 10 is provided with the viewing window 105 can checking the different display surface of displaying block 30.
As shown in Figures 2 to 5, described displaying block 30 is provided with a displaying block pivoted hole 301, and displaying block pivoted hole 301 is installed on the displaying block drive-connecting shaft 102 of base plate 10, and displaying block 30 entirety can be rotated along displaying block drive-connecting shaft 102.The downside of described displaying block pivoted hole 301 is provided with a haptic element 302, this haptic element 302 embeds in the spacing hole 801 that mechanism's support seat 80 offers, see Fig. 6, the width of this spacing hole 801 is greater than the width of haptic element 302, the amplitude of fluctuation of displaying block 30 is determined, according to lever principle, with displaying block drive-connecting shaft 102 for fulcrum by the width of spacing hole 801, spacing hole 801 is wider, and displaying block 30 amplitude of fluctuation is larger.The position of the corresponding viewing window 105 of this displaying block 30 is also provided with display surface, the first display surface 303 namely taken on a red color, in the second yellow display surface 304 and greeny 3rd display surface 305.Viewing window 105 medial surface is the first arc surface 106, the end face formed by each display surface at this displaying block 30 top is the second arc surface 306, this first and second arc surface 106,306 all with displaying block drive-connecting shaft 102 for the center of circle, after assembling, this second arc surface 306 is fitted on the first arc surface 106, thus instruction color can be observed by viewing window 105, with the degree of decision circuitry fault.
Described trigger 70 is rotatably installed on displaying block 30.This trigger 70 entirety is in " C " font, the middle part of trigger 70 is provided with a trigger pivoted hole 701, correspondence is provided with trigger drive-connecting shaft 307 on displaying block 30, and this trigger pivoted hole 701 is installed on trigger drive-connecting shaft 307, and trigger 70 entirety can be rotated along trigger drive-connecting shaft 307.The below of this trigger pivoted hole 701 has one first wedge angle 703, and this first wedge angle 703 matches with first groove 802 on mechanism's support seat 80 top, forms the first snap close by the first wedge angle 703 and the first groove 802.The top of described trigger pivoted hole 701 has one " ~ " elastic arm 402 of shape, this elastic arm 402 contacts at inside display surface and makes trigger 70 have a precompression, and this precompression makes the first snap close maintain only lock status.When trigger 70 is by upwards jack-up, this first wedge angle 703 and the first groove 802 are threaded off, and it is spacing that trigger 70 is removed mechanism's support seat 80, thus mechanism's support seat 80 is rotated counterclockwise under the effect of spring 806.When mechanism's support seat 80 turns clockwise, this first wedge angle 703 and the first groove 802 hook the rotation tightly preventing displaying block 30.
The center of described mechanism support seat 80 is provided with a main shaft 803, and this main shaft 803 is installed on the center of displaying block drive-connecting shaft 102, makes displaying block 30 and mechanism's support seat 80 share this main shaft 803.Thus make mechanism's support seat 80 and displaying block 30 share same axle center, all rotate centered by displaying block drive-connecting shaft 102.Further, abut spring 806 between mechanism's support seat 80 with base plate 10, this spring 806 can Chu Shi mechanism support seat 80 be rotated counterclockwise.In addition, this mechanism's support seat 80 offers spacing hole 801, for limiting the scope of activities of indicator collet 30.
Described moving contact 40 is rotatably mounted in mechanism's support seat 80.The lower end of this mechanism's support seat 80 is provided with moving contact drive-connecting shaft 804, and the axis hole of described moving contact 40 is installed on this moving contact drive-connecting shaft, makes the rotatable rotation of moving contact 40.In addition, as shown in Figure 3, this moving contact drive-connecting shaft 804 is provided with torsion spring 401, one end of this torsion spring 401 leans against moving contact 40, displaying block 300 is resisted against on the contact arm of moving contact 40 torsion spring 401 near the haptic element 302 of moving contact through the spacing hole 801 of mechanism's support seat 80, the contact arm of the button spring 401 of such moving contact 30 is applied with the power impelling displaying block to rotate to displaying block 30, and the first snap close on displaying block 30 prevents the rotation of displaying block 30, displaying block 30 is in one can along with mechanism's support seat 80 synchronous rotary with the relatively-stationary state of mechanism's support seat 80.
Described first connecting rod 90 is rotatable is installed on mechanism's support seat 80.The upper end of this mechanism's support seat 80 is provided with first connecting rod drive-connecting shaft 805, and the axis hole 901 of described first connecting rod 90 is rotatable is installed on this first connecting rod drive-connecting shaft 805, makes the rotatable rotation of first connecting rod 90.This first connecting rod 90 is in cam structure, the cam part 902 of first connecting rod 90 is conflicted the unlocking board 704 of trigger 70, because unlocking board 704 is positioned at above the first wedge angle 703, when first connecting rod 90 is rotated counterclockwise, cam part 902 makes the first wedge angle 703 upwards lift to rising, thus the first wedge angle 703 and the first groove 802 rapid-releasing (see figure 7).Otherwise when first connecting rod 90 turns clockwise, this first wedge angle 703 and the first groove 802 hook tight (see figure 8).
Described second connecting rod 100 is provided with a central shaft hole 1001, and this central shaft hole 1001 is arranged on base plate 10 through mechanism's support seat 80 by main shaft 803.As shown in Figure 5, described first connecting rod 90 contacts with second connecting rod 100, and the contact-making surface in the two is provided with the second snap close.This second snap close is made up of the second wedge angle 903 be located on first connecting rod 90 and the second groove 1003 be located on second connecting rod 100.
Described shell fragment 120 is connected between second connecting rod 100 and base plate 10.One end of this shell fragment 120 is fixed on the shell fragment hooking plate 103 of base plate 10, and the other end is fixed in the shell fragment holddown groove 1004 of second connecting rod 100.The effect of shell fragment 120 is to the second snap close precompression, prevents the second snap close from threading off.
Described third connecting rod 110 is metal bars that two ends have eave tile, and one end of this third connecting rod 110 is connected to handle 20, and the other end is connected to first connecting rod 90.
Described pull bar 130 is connected to second connecting rod 100, and this second connecting rod 100 is provided with arc chute 1005, and the eave tile of this pull bar 130 embeds in this arc chute 1005.When under breaker closing state, moving contact 40 contacts with fixed contact 50, and now the eave tile of pull bar 130 is positioned at the left block end 1006 of arc chute 1005; When circuit malfunctions, the eave tile of this pull bar 130 slides to right block end 1007 by the left block end 1006 of arc chute 1005, pulls second connecting rod 100 to be rotated counterclockwise.
Operation principle of the present utility model is as follows:
As shown in Figure 9 and Figure 10, under normal operation circuit state, breaker closing, its moving contact 40 contacts with fixed contact 50, now the eave tile of pull bar 130 is positioned at the left block end 1006 of arc chute 1005, the corresponding rotation of interlinked mechanism, and displaying block 30 follows interlinked mechanism to rotate, now, displaying block 30 is the first red display surface 303 facing to the display surface of display window.When breaker open operation, displaying block 30 equally and then interlinked mechanism rotates, and now, displaying block 30 is the 3rd green display surface 305 facing to the display surface of display window.
When circuit malfunctions, second snap close is triped, first connecting rod 90 is also rotated counterclockwise, the cam part 902 of first connecting rod 90 is by trigger 70 upwards jack-up, to produce with trigger drive-connecting shaft 307 be the center of circle rotates relative to displaying block 30 to make trigger 70, and the rotation of trigger 70 causes the first snap close (i.e. the first wedge angle 703 and the first groove 802) to be triped.First snap close trip after displaying block 30 under the elastic force effect of moving contact 40 torsion spring 401, produce a swing offset that contrary and size is limited by the spacing hole 801 in mechanism's support seat 80 with interlinked mechanism direction of rotation with mechanism support seat 80.Total swing offset of such displaying block 30 is just less than the swing offset of interlinked mechanism, supposes that interlinked mechanism swing offset is A, displaying block 30 reverse rotation displacement is B, then total swing offset C=A-B of displaying block 30.Because the swing offset of displaying block 30 is less than A, so when circuit breaker is in fault trip state, displaying block 30 is in yellow second display surface 304 in the middle of red display face and green display surface towards the display surface of display window 105 by being.
Again in mechanism's making process under circuit breaker failure dropout gate-dividing state, the backstop (the backstop projection of base plate is not shown) being subject to base plate 10 when displaying block 30 follows mechanism's support seat 80 to rotate makes displaying block 30 relative mechanism support seat 80 produce certain swing offset until the first snap close on displaying block 30 carries button again.
In sum, design focal point of the present utility model is, by the structural design of this kind of trigger 70, mechanism's support seat 80, displaying block 30 can be fixed in mechanism's support seat 80 more stablely, relative displacement can not be produced along with the rapid movement of dynamic contact mechanism and mechanism's support seat 80, and when breaking off relations, smaller resistance be produced to moving contact 40; Whole dynamic contact mechanism is installed in mechanism's support seat 80 in stacked mode, does not relate to the installation action of 3 dimensions, easily realizes manipulator and installs.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. one kind has the switch disconnector of three look displays, comprise base plate, be installed on the moving contact of base plate, fixed contact, displaying block, this displaying block is rotatable to be arranged on base plate, viewing window is formed on base plate, the position of the corresponding viewing window of displaying block is provided with three look display surfaces, this three looks display surface is according to separating brake at moving contact and fixed contact, close a floodgate and malfunction and viewing window display different colours, it is characterized in that: mechanism's support seat is coaxially arranged on base plate by centre bore and displaying block, a trigger is had between this mechanism's support seat and displaying block, this trigger is rotatable to be installed on displaying block, one end of trigger has the display surface inner face that elastic arm is resisted against displaying block, the other end of trigger and the contact-making surface of mechanism's support seat are provided with first snap close that can stop displaying block spinning movement.
2. a kind of switch disconnector with three look displays according to claim 1, it is characterized in that: the spacing hole described mechanism support seat offering restriction displaying block amplitude of fluctuation, described displaying block is provided with a haptic element near one end of moving contact, and this haptic element is embedded in spacing hole.
3. a kind of switch disconnector with three look displays according to claim 2, it is characterized in that: described moving contact is rotatably installed on the moving contact drive-connecting shaft of mechanism's support seat by axis hole, this moving contact has torsion spring and is installed on moving contact drive-connecting shaft, and the haptic element of displaying block is resisted against on the contact arm of this torsion spring through the spacing hole of mechanism's support seat.
4. a kind of switch disconnector with three look displays according to claim 1, is characterized in that: described first snap close is formed by the first wedge angle protruded on trigger and recessed the first groove fit in mechanism's support seat.
5. a kind of switch disconnector with three look displays according to claim 1, it is characterized in that: be the first arc surface inside described viewing window, described three look display surfaces are respectively the first display surface, the second display surface, the 3rd display surface in different colours, this first, second, third display surface is successively set on second arc surface at displaying block top, and this second arc surface is rotatable fits in the first arc surface.
6. a kind of switch disconnector with three look displays according to claim 1, it is characterized in that: described trigger is provided with a unlocking board, described mechanism support seat is provided with the first connecting rod of rotatable action, this first connecting rod have for pushing tow unlocking board touch make first snap close unlock cam part.
7. a kind of switch disconnector with three look displays according to claim 6, it is characterized in that: comprised the second connecting rod of interlink function, third connecting rod and pull bar further, this second connecting rod is arranged on base plate by same main shaft is rotatable, one end of described third connecting rod connects handle, the other end is connected to first connecting rod, and described pull bar is connected to second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163553.9U CN204464194U (en) | 2015-03-23 | 2015-03-23 | A kind of switch disconnector with three look displays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163553.9U CN204464194U (en) | 2015-03-23 | 2015-03-23 | A kind of switch disconnector with three look displays |
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| Publication Number | Publication Date |
|---|---|
| CN204464194U true CN204464194U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520163553.9U Withdrawn - After Issue CN204464194U (en) | 2015-03-23 | 2015-03-23 | A kind of switch disconnector with three look displays |
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| Country | Link |
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| CN (1) | CN204464194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733253A (en) * | 2015-03-23 | 2015-06-24 | 厦门宏发开关设备有限公司 | Switch disconnector with three-color display function |
-
2015
- 2015-03-23 CN CN201520163553.9U patent/CN204464194U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733253A (en) * | 2015-03-23 | 2015-06-24 | 厦门宏发开关设备有限公司 | Switch disconnector with three-color display function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20170322 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |