CN203070970U - Indicating device of switching apparatus - Google Patents
Indicating device of switching apparatus Download PDFInfo
- Publication number
- CN203070970U CN203070970U CN 201220741006 CN201220741006U CN203070970U CN 203070970 U CN203070970 U CN 203070970U CN 201220741006 CN201220741006 CN 201220741006 CN 201220741006 U CN201220741006 U CN 201220741006U CN 203070970 U CN203070970 U CN 203070970U
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- CN
- China
- Prior art keywords
- indicator collet
- main shaft
- indicating device
- switching
- connecting rod
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an indicating device of a switching apparatus. The switching apparatus comprises a mounting side plate, a main shaft rotatably arranged inside the switching apparatus, a moving contact and a connecting rod, wherein the main shaft is fixedly provided with a driving arm, the driving arm is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged with the moving contact. The indicating device comprises an indicating block, an elastic resetting element and a tension spring, wherein the indicating block is rotatably arranged on the side plate, the elastic resetting element acts on the indicating block to provide a restoring force, one end of the tension spring is connected to the indicating block, and the other end is connected to the main shaft. In the action process of the overall indicating device provided by the utility model, an indication mark on an indication plane can correctly point to corresponding positions and accurately indicate the operating condition of the moving contact. In addition, the indication mark does not deflect because of such factors as mechanical vibration, rotational inertia of the contact main shaft and the like, and a phenomenon of shift of an indication point is enabled not to occur.
Description
Technical field
The utility model relates to a kind of device for switching indicating device, belongs to the low-voltage electrical apparatus field.
Background technology
The normal automatic transfer switching electric appliance that uses partly is made up of two groups of main contacts, galvanic circle, arc quenching system, operating mechanism and controllers etc. at present, is power source with the motor.Motor is all rotating with similar speed at the uniform velocity in the closing of whole switch, the separating brake transfer process, the many employings of work condition indicator link and in the mode of operating mechanism indication piece are set, and indication piece is arranged on the position that is used to indicate on certain rotating shaft when front contact.Though this indicating device is simple in structure, in fact the closing of contact, separating brake action were finished in moment, and indication piece is followed motor and rotated, so the actual state of the reflection contact that the indication piece of this structure can not be correct.Particularly after contact generation melting welding, contact does not move, still be in "on" position, and indication piece rotates along with the rotation of motor all the time, up to motor owing to contact melting welding, mechanism blockage stop operating, and this moment indication piece cue mark away from the combined floodgate indicating positions, even have pointed to open position, the indication piece of this moment has been done the indication that makes mistake, is unfavorable for that the user correctly uses, and has potential safety hazard.
In addition, the indication piece of aforesaid way is owing to directly link in the rotating shaft of operating mechanism, is subjected to the impact of mechanical shock and rotatory inertia through regular meeting, causes mechanical endurance lower, and poor reliability is indicated incorrect.
The utility model content
The utility model is at above-mentioned shortcoming of the prior art, a kind of indicating device of device for switching is provided, the present position situation that directly reflects contact in real time, correctly indicate the operating state of moving contact, and can overcome the influence of factors such as mechanical shock, motor rotatory inertia, the life-span of improving mechanical indication means effectively.
For realizing above-mentioned functions, concrete technical scheme of the present utility model is:
A kind of indicating device of device for switching, described device for switching comprises to be installed side plate, is arranged on main shaft, moving contact and connecting rod in the described device for switching rotationally, described main shaft is set with actuating arm, one end of actuating arm and connecting rod is hinged, the other end and the moving contact of connecting rod are hinged, described indicating device comprises indicator collet, elastic reset spare and extension spring, what indicator collet rotated is arranged on the side plate, elastic reset spare acts on restoring force is provided on the indicator collet, extension spring one end is connected on the indicator collet, and the other end is connected on the main shaft.
Be set with the axle that described indicator collet is installed and first locating part that limits described indicator collet slewing area on the described side plate, comprise prominent, two boss of axis hole, retaining that match with described axle on the described indicator collet, described two boss are arranged symmetrically in the opening part of described axis hole both sides; Described elastic reset spare is torsion spring, and torsion spring is nested with on described two boss, and an end be resisted against the retaining of indicator collet prominent on, the other end is resisted against on first locating part.
Have the connecting portion that departs from the indicator collet center of rotation on the described indicator collet, be set with linking arm on the described main shaft, described extension spring one end is connected on the described connecting portion, and the other end is connected on the described linking arm.
Described linking arm is provided with a pin, and an end of described extension spring is hung on the described pin.
Described indicator collet is provided with and disconnects index plane and combined floodgate index plane.
Described elastic reset spare is extension spring.
Beneficial effect:
In the course of action of whole indicating device of the present utility model, indicator collet is because existence and the correlation of axle, torsion spring and spring, make the corresponding position of sensing that the cue mark of index plane can be correct, correctly indicate the operating state of moving contact, and can not deflect because of the influence of the factors such as rotator inertia of mechanical shock, contact main shaft, make indication point generation shift phenomenon.
Description of drawings
Fig. 1 is the structural representation of the preferential embodiment of the utility model indicating device;
Fig. 2 is the structural representation of the utility model indicating device second embodiment;
Indicating device was realized the schematic diagram of indication when Fig. 3 was the utility model moving contact and fixed contact disconnection;
Indicating device was realized the schematic diagram of indication when Fig. 4 was the utility model moving contact and fixed contact closure.
Embodiment
In order to make the public can fully understand technical spirit of the present utility model and beneficial effect; the applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but the applicant is not restriction to technical scheme to the description of embodiment, anyly makes form but not the variation of essence all should be considered as protection range of the present utility model according to the utility model design.
See also Fig. 1, preferential embodiment of the present utility model, a kind of indicating device of device for switching comprises that of device for switching installs side plate 2, indicator collet 1 and spring 3, described installation side plate 2 are provided with an axle 23 for hub setting indicator collet 1.Offer an axis hole 12 on the described indicator collet 1, indicator collet 1 matches hub setting by axis hole 12 on axle 23 with axle 23.Also be provided with first locating part 22 for described indicator collet 1 slewing area of restriction on the described installation side plate 2, first locating part 22 described in the utility model is arranged to the form of pin.Bottom design one retaining of described indicator collet 1 is prominent 17, the match slewing area of the described indicator collet 1 of incompatible restriction of the projection 18 of retaining prominent 17 and indicator collet 1 and first locating part 22.The opening part of axis hole 12 both sides of described indicator collet 1 convexes with pair of projections 15, is used to indicate the reset elastic reset spare 5 of usefulness of piece 1 and is nested with on boss 15, and elastic reset spare 5 described in the utility model is torsion spring.Described indicator collet 1 also is equipped with a retaining prominent 16.During installation, at first torsion spring 5 is nested with on boss 15, again with indicator collet 1 hub setting on axle 23, and undertaken indicator collet 1 and torsion spring 5 spacing by baffle plate 6 and clip 7, an end of torsion spring 5 is installed on the retaining prominent 16 of indicator collet 1 simultaneously, the other end is installed on first locating part 22, and indicator collet 1 can rotate and resets by torsion spring 5 around axle 23 thus.Also has the connecting portion 11 that departs from indicator collet 1 center of rotation on the described indicator collet 1, offer the hole 111 for hook spring 3 one ends on the connecting portion 11, the other end of spring 3 hook is on the linking arm 41 that the main shaft 4 of device for switching fixedly installs, and indicator collet 1 is associated with the main shaft 4 of device for switching by spring 3, linking arm 41 and produces with main shaft 4 and links.The utility model is to be associated with spring 3 by a pin 42 is set at linking arm 41, offers a draw-in groove 421 on the described pin 42, and the other end of spring 3 is linked up with in draw-in groove 421.The utility model linking arm 41 can be arranged to the actuating arm that fixedly installs with main shaft 4 43 and be one, also can be arranged to and actuating arm 43 independent but another linking arm that link with main shaft 4 mutually.Being arranged to actuating arm 43 one with linking arm 41 is example.Described linking arm 41 is connected by connecting rod 81 with the moving contact 8 of device for switching and produces interlock.Also being provided with expression respectively on the described indicator collet 1 disconnects and the index plane 13,14 that closes a floodgate.
See also Fig. 2, second embodiment of the present utility model, described installation side plate 2 are provided with for first locating part 22 and second locating part 21 to 1 position-limiting action of indicator collet, and described first locating part 22, second locating part 21 are arranged to the form of pin.First locating part 22 18 cooperates with projection, and second locating part 21 matches with connecting portion 11 on the indicator collet 1, limits the slewing area of described indicator collet 1 with this.
The 3rd embodiment of the present utility model is for being designed to one with the connecting portion 11 on the indicator collet 1 among first embodiment and retaining prominent 17, again with indicator collet 1 on projection 18 and the match slewing area of the described indicator collet 1 of incompatible restriction of first locating part 22.
See also Fig. 3, Fig. 4 and in conjunction with Fig. 2, structure with second embodiment is example, further explain the course of action of whole mechanical indication means, linking arm 41 on the described main shaft 4 is connected with connecting rod 81 on the moving contact 8, and the rotation by main shaft 4 drives combined floodgate and the separating brake of moving contact 8 and fixed contact 9.
State when being illustrated in figure 3 as moving contact 8 with fixed contact 9 disconnections, main shaft 4 is in position shown in the figure, 3 one-tenth free states of spring this moment, to indicator collet 1 no active force, therefore, indicator collet 1 rotates around axle 23 under the effect of torsion spring 5 active force N as shown in Figure 2, because the position-limiting action of first locating part 22, indicator collet 1 stops at the position of the index plane 13 of indication disconnection, at this moment the off-state of index plane 13 expression contacts.When main shaft 4 rotates when making that moving contact 8 and fixed contact 9 become "on" position by off-state, main shaft 4 turns to position shown in Fig. 4, this moment, spring 3 was in extended state, linking arm 41 produces pulling force L through 3 pairs of indicator collets of spring 1, the direction of pulling force L as shown in Figure 4, the pulling force L that this moment, indicator collet 1 was subjected to is better than the active force N of 5 pairs of indicator collets 1 of torsion spring, make indicator collet 1 under the effect of making a concerted effort, make the counter-rotation of relativity power N around axle 23, because the position-limiting action of second locating part 21, indicator collet 1 stops at the position of the index plane 14 of indication combined floodgate, at this moment the "on" position of index plane 14 expression contacts.
Claims (6)
1. the indicating device of a device for switching, described device for switching comprises installs side plate (2), be arranged on the main shaft (4) in the described device for switching rotationally, moving contact (8) and connecting rod (81), described main shaft (4) is set with actuating arm (43), actuating arm (43) is hinged with an end of connecting rod (81), the other end of connecting rod (81) and moving contact (8) are hinged, it is characterized in that: described indicating device comprises indicator collet (1), elastic reset spare (5) and extension spring (3), what indicator collet (1) rotated is arranged on the side plate (2), elastic reset spare (5) acts on the indicator collet (1) restoring force is provided, extension spring (3) one ends are connected on the indicator collet, and the other end is connected on the main shaft (4).
2. the indicating device of a kind of device for switching according to claim 1, it is characterized in that: be set with the axle (23) that described indicator collet (1) is installed and first locating part (22) that limits described indicator collet (1) slewing area on the described side plate, comprise axis hole (12), the retaining prominent (16), two boss (15) that match with described axle (23) on the described indicator collet (1), described two boss (15) are arranged symmetrically in the opening part of described axis hole (12) both sides; Described elastic reset spare (5) is torsion spring, and torsion spring is nested with on described two boss (15), and an end is resisted against on the retaining prominent (16) of indicator collet, and the other end is resisted against on first locating part (22).
3. the indicating device of a kind of device for switching according to claim 1, it is characterized in that: have the connecting portion (11) that departs from indicator collet (1) center of rotation on the described indicator collet (1), be set with linking arm (41) on the described main shaft (4), described extension spring (3) one ends are connected on the described connecting portion (11), and the other end is connected on the described linking arm (41).
4. the indicating device of a kind of device for switching according to claim 3 is characterized in that: described linking arm (41) is provided with a pin (42), and an end of described extension spring (3) is hung on the described pin (42).
5. the indicating device of a kind of device for switching according to claim 1 is characterized in that: described indicator collet (1) is provided with and disconnects index plane (13) and combined floodgate index plane (14).
6. the indicating device of a kind of device for switching according to claim 1, it is characterized in that: described elastic reset spare (5) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220741006 CN203070970U (en) | 2012-12-28 | 2012-12-28 | Indicating device of switching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220741006 CN203070970U (en) | 2012-12-28 | 2012-12-28 | Indicating device of switching apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070970U true CN203070970U (en) | 2013-07-17 |
Family
ID=48769734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220741006 Expired - Lifetime CN203070970U (en) | 2012-12-28 | 2012-12-28 | Indicating device of switching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203070970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359062A (en) * | 2016-05-09 | 2017-11-17 | 浙江正泰电器股份有限公司 | The multi-functional instruction structure of device for switching |
-
2012
- 2012-12-28 CN CN 201220741006 patent/CN203070970U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359062A (en) * | 2016-05-09 | 2017-11-17 | 浙江正泰电器股份有限公司 | The multi-functional instruction structure of device for switching |
| CN107359062B (en) * | 2016-05-09 | 2020-07-28 | 浙江正泰电器股份有限公司 | Multifunctional indicating structure of switch electric appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |