CN204011256U - A kind of indoor HVAC vacuum circuit breaker - Google Patents
A kind of indoor HVAC vacuum circuit breaker Download PDFInfo
- Publication number
- CN204011256U CN204011256U CN201420403072.6U CN201420403072U CN204011256U CN 204011256 U CN204011256 U CN 204011256U CN 201420403072 U CN201420403072 U CN 201420403072U CN 204011256 U CN204011256 U CN 204011256U
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- main shaft
- spring
- connecting lever
- hole
- connecting rod
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of indoor HVAC vacuum circuit breaker, the rotation of accumulating mechanism drive cam shaft is rotated, cam is arranged on camshaft, one end of main shaft connecting lever is arranged on main shaft, the other end of main shaft connecting lever is connected with one end of transmission crank arm by connecting plate, the outside of cam is just in time against driving main shaft connecting lever rotation on main shaft connecting lever, the other end of transmission crank arm drives the moving contact of vacuum extinction chamber interior by insulated connecting rod, main shaft connecting lever offers respectively pin shaft hole and spindle hole on both ends, main shaft connecting lever is arranged on main shaft by spindle hole, main shaft connecting lever is connected by penetrating the bearing pin of pin shaft hole with connecting plate, in transmission crank arm, there is shaft hole and insulated connecting rod hole for being connected with insulated connecting rod with rotating shaft, between switching-in spring and body, by spring governor motion, be connected.Described a kind of indoor HVAC vacuum circuit breaker, this operation syndeton is reasonable, and operation resistance is little, and closing speed is easy to adjust, has saved the adjustment time.
Description
Technical field
The utility model relates to indoor high-voltage vacuum circuit breaker technical field, especially a kind of indoor HVAC vacuum circuit breaker.
Background technology
Existing circuit breaker, there are in actual use a lot of defects, in the operating mechanism of circuit breaker, between each parts, all adopt pivot pin axially to install, and two ends of pivot pin are separately fixed on lid, pedestal, pivot pin must be aimed at the axis hole being located on lid and pedestal simultaneously when mounted, this has brought certain difficulty to installation, the multipole combination realizing between each circuit breaker is more difficult, and when combination jockey structure quite complicated, it is very inconvenient to assemble, and operation resistance is large, and divide-shut brake speed is adjusted inconvenience.
Summary of the invention
The technical problems to be solved in the utility model is: in order to overcome the problem of above-mentioned middle existence, provide a kind of indoor HVAC vacuum circuit breaker, its project organization is reasonable and closing speed is fast.
The utility model solves the technical scheme that its technical problem adopts: a kind of indoor HVAC vacuum circuit breaker, comprise body, be located at the accumulating mechanism on body, switching-in spring, camshaft, cam, main shaft, main shaft connecting lever, connecting plate and transmission crank arm, one end of described switching-in spring is connected with body, the other end is connected with accumulating mechanism, the rotation of accumulating mechanism drive cam shaft is rotated, cam is arranged on camshaft, one end of main shaft connecting lever is arranged on main shaft, the other end of main shaft connecting lever is connected with one end of transmission crank arm by connecting plate, the outside of cam is just in time against driving main shaft connecting lever rotation on main shaft connecting lever, the other end of transmission crank arm drives the moving contact of vacuum extinction chamber interior by insulated connecting rod, main shaft connecting lever offers respectively pin shaft hole and spindle hole on both ends, main shaft connecting lever is arranged on main shaft by spindle hole, main shaft connecting lever is connected by penetrating the bearing pin of pin shaft hole with connecting plate, in transmission crank arm, there is shaft hole and insulated connecting rod hole for being connected with insulated connecting rod with rotating shaft, between switching-in spring and body, by spring governor motion, be connected.
Described spring governor motion comprises fixed head, spring carrier arm, adjusting bolt, adjusting nut and regulating spring and for being connected the connecting rod of switching-in spring, the connecting rod other end is connected with regulating spring, regulating spring is connected with spring carrier arm, fixed head is fixed on body, spring carrier arm is arranged on adjusting bolt bottom, and adjusting bolt hangs on fixed head through fixed head and by the adjusting nut in rotation adjusting bolt.
The central diameter of described regulating spring is 19mm, number of active coils 18.5, and spring wire diameter is 4.5mm, and rotation direction is dextrorotation, and free height is 119mm.
The beneficial effects of the utility model are: described a kind of indoor HVAC vacuum circuit breaker, adopt the circuit breaker of this kind of design, and this operation syndeton is reasonable, and operation resistance is little, and closing speed is easy to adjust, has saved the adjustment time.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the overall structure schematic diagram of a kind of indoor HVAC vacuum circuit breaker described in the utility model;
Fig. 2 is the structural representation of Fig. 1 medi-spring governor motion.
Accompanying drawing acceptance of the bid note is described below: 1, body, 2, switching-in spring, 3, camshaft, 4, cam, 5, main shaft, 6, main shaft connecting lever, 61, pin shaft hole, 62, spindle hole, 7, connecting plate, 8, transmission crank arm, 81, shaft hole, 82, insulated connecting rod hole, 9, spring governor motion, 91, fixed head, 92, spring carrier arm, 93, adjusting bolt, 94, adjusting nut, 95, regulating spring, 96, connecting rod.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
A kind of indoor HVAC vacuum circuit breaker as shown in Figure 1, comprise body 1, on body 1, be provided with accumulating mechanism, switching-in spring 2, camshaft 3, cam 4, main shaft 5, main shaft connecting lever 6, connecting plate 7 and transmission crank arm 8, one end at switching-in spring 2 is connected with body, the other end is connected with accumulating mechanism, 3 rotations of accumulating mechanism drive cam shaft are rotated, cam 4 is arranged on camshaft 3, one end of main shaft connecting lever 6 is arranged on main shaft 5, the other end of main shaft connecting lever 6 is connected with one end of transmission crank arm 8 by connecting plate 7, the outside of cam 4 is just in time against driving main shaft connecting lever 6 rotations on main shaft connecting lever 6, the other end of transmission crank arm 8 drives the moving contact of vacuum extinction chamber interior by insulated connecting rod, on main shaft connecting lever 6 both ends, offer respectively pin shaft hole 61 and spindle hole 62, main shaft connecting lever 8 is arranged on main shaft 5 by spindle hole 62, main shaft connecting lever 6 is connected by penetrating the bearing pin of pin shaft hole 61 with connecting plate 7, in transmission crank arm 8, there is shaft hole 81 and insulated connecting rod hole 82 for being connected with insulated connecting rod with rotating shaft, between switching-in spring 2 and body 1, by spring governor motion 9, be connected.
A kind of indoor HVAC vacuum circuit breaker as shown in Figure 2, spring governor motion 9 comprises fixed head 91, spring carrier arm 92, adjusting bolt 93, adjusting nut 94 is with regulating spring 95 and for being connected the connecting rod 96 of switching-in spring 2, connecting rod 96 other ends are connected with regulating spring 95, regulating spring 95 is connected with spring carrier arm 92, the central diameter of regulating spring 93 is 19mm, number of active coils 18.5, spring wire diameter is 4.5mm, rotation direction is dextrorotation, free height is 119mm, fixed head 91 is fixed on body 1, spring carrier arm 92 is arranged on adjusting bolt 93 bottoms, adjusting bolt 93 hangs on fixed head 91 through fixed head 91 and by the adjusting nut 94 in rotation adjusting bolt 93.
A kind of indoor HVAC vacuum circuit breaker of the present utility model, owing to adopting said structure, moving contact gap is little, there is the conductance of the arc-plasma that metallic vapour forms high, arc voltage is low, and because the arcing time is short, the arc energy of association is minimum, be conducive to the increase in contact life-span, be conducive to the raising of vacuum interrupter performance.By spring governor motion 9 operating mechanisms, control, have and connect the advantages such as compact, the intrinsic time of threading off is short, and contact melt resistance is good.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (3)
1. an indoor HVAC vacuum circuit breaker, it is characterized in that: comprise body (1), be located at the accumulating mechanism on body (1), switching-in spring (2), camshaft (3), cam (4), main shaft (5), main shaft connecting lever (6), connecting plate (7) and transmission crank arm (8), one end of described switching-in spring (2) is connected with body, the other end is connected with accumulating mechanism, accumulating mechanism drive cam shaft (3) rotation is rotated, cam (4) is arranged on camshaft (3), one end of main shaft connecting lever (6) is arranged on main shaft (5), the other end of main shaft connecting lever (6) is connected with one end of transmission crank arm (8) by connecting plate (7), the outside of cam (4) is just in time against upper driving main shaft connecting lever (6) rotation of main shaft connecting lever (6), the other end of transmission crank arm (8) drives the moving contact of vacuum extinction chamber interior by insulated connecting rod, on main shaft connecting lever (6) both ends, offer respectively pin shaft hole (61) and spindle hole (62), main shaft connecting lever (8) is arranged on main shaft (5) by spindle hole (62), main shaft connecting lever (6) is connected by penetrating the bearing pin of pin shaft hole (61) with connecting plate (7), in transmission crank arm (8), there are shaft hole (81) and insulated connecting rod hole (82) for being connected with insulated connecting rod with rotating shaft, between switching-in spring (2) and body (1), by spring governor motion (9), be connected.
2. a kind of indoor HVAC vacuum circuit breaker according to claim 1, it is characterized in that: described spring governor motion (9) comprises fixed head (91), spring carrier arm (92), adjusting bolt (93), adjusting nut (94) is with regulating spring (95) and for being connected the connecting rod (96) of switching-in spring (2), connecting rod (96) other end is connected with regulating spring (95), regulating spring (95) is connected with spring carrier arm (92), fixed head (91) is fixed on body (1), spring carrier arm (92) is arranged on adjusting bolt (93) bottom, adjusting bolt (93) hangs on fixed head (91) through fixed head (91) and by the adjusting nut (94) in rotation adjusting bolt (93).
3. a kind of indoor HVAC vacuum circuit breaker according to claim 2, is characterized in that: the central diameter of described regulating spring (93) is 19mm, number of active coils 18.5, and spring wire diameter is 4.5mm, and rotation direction is dextrorotation, and free height is 119mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403072.6U CN204011256U (en) | 2014-07-21 | 2014-07-21 | A kind of indoor HVAC vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403072.6U CN204011256U (en) | 2014-07-21 | 2014-07-21 | A kind of indoor HVAC vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011256U true CN204011256U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403072.6U Expired - Fee Related CN204011256U (en) | 2014-07-21 | 2014-07-21 | A kind of indoor HVAC vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335929A (en) * | 2017-12-28 | 2018-07-27 | 北京双杰电气股份有限公司 | A kind of five anti-interlockings |
-
2014
- 2014-07-21 CN CN201420403072.6U patent/CN204011256U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335929A (en) * | 2017-12-28 | 2018-07-27 | 北京双杰电气股份有限公司 | A kind of five anti-interlockings |
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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: 20141210 Termination date: 20150721 |
|
| EXPY | Termination of patent right or utility model |