CN208738116U - A kind of high current earthing switch - Google Patents
A kind of high current earthing switch Download PDFInfo
- Publication number
- CN208738116U CN208738116U CN201821164437.9U CN201821164437U CN208738116U CN 208738116 U CN208738116 U CN 208738116U CN 201821164437 U CN201821164437 U CN 201821164437U CN 208738116 U CN208738116 U CN 208738116U
- Authority
- CN
- China
- Prior art keywords
- switch
- earthing
- high current
- earthing knife
- driving shaft
- 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 - Fee Related
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Abstract
The utility model relates to High-Voltage Electrical Appliances earthing switch technical fields, more particularly, to a kind of high current earthing switch.The utility model solves the problems, such as that existing earthing switch through-current capability is contradicted with installation space, the utility model high current earthing switch, including pedestal, quiet side group seat, transmission mechanism, earthing knife-switch, button contact base and fingertip；Transmission mechanism includes guide rail, driving shaft, connecting lever and guide holder, and guide rail includes fanning strip, and fanning strip is equipped with curved groove；One end of earthing knife-switch radially penetrates pin shaft；Guide holder includes guide sleeve, and the outer wall of guide sleeve is equipped with symmetrical two driven shafts；Driving shaft, guide holder are respectively provided on the base；One end of connecting lever and one end of driving shaft are fixed, and guide rail is fixed on driving shaft, and pin shaft passes through in the curved groove of fanning strip, and earthing knife-switch passes through the guide sleeve of guide holder；The bottom end of earthing knife-switch is connect by being flexible coupling with pedestal, and button contact base is fixed on quiet side group seat, and fingertip is arranged in button contact base, when earthing knife-switch is moved to highest position, is contacted with the fingertip in button contact base.
Description
Technical field
Originally it is related to High-Voltage Electrical Appliances earthing switch technical field, more particularly, to a kind of high current earthing switch.
Background technique
High-Voltage Electrical Appliances earthing switch is the mechanical switch for circuit ground part, has both needed to carry within a certain period of time
Electric current under non-normal condition, and require that certain insulation voltage can be born.Existing earthing switch includes disconnecting link formula and direct acting
Two kinds of plug-in type, wherein disconnecting link formula earthing switch installation requirement space is small, but through-current capability is weak, direct acting plug-in type earthing switch energy
High current is born, but installation space demand is big.
Utility model content
To solve the problems, such as that earthing switch through-current capability existing in the prior art is contradicted with installation space, this is practical new
Type proposes a kind of high current earthing switch, and which employs compound motion structures, and earthing knife-switch is made to carry out vertical motion and rotation, realizes high
It presses electric appliance ground switch while reducing installation requirements space, ensure that biggish through-current capability.
The technical solution that the utility model solves the above problems is a kind of high current earthing switch, including pedestal and quiet side
Pedestal is characterized in that further include transmission mechanism, earthing knife-switch, button contact base and fingertip；The transmission mechanism includes guide rail, master
Moving axis, connecting lever and guide holder, guide rail include fanning strip, and fanning strip is equipped with curved groove；The earthing knife-switch is close to pedestal one end radial direction
Equipped with through-hole, pin shaft is penetrated in through-hole；Guide holder includes guide sleeve, and the outer wall of guide sleeve is equipped with symmetrical two driven shafts；
Driving shaft is arranged on the base；Guide holder is arranged on the base by two driven shafts；
Insulating layer is equipped in the guide sleeve of guide holder；Insulating layer is wrapped up on pin shaft, alternatively, the through-hole wall of earthing knife-switch is equipped with absolutely
Edge layer；
One end of connecting lever and one end of driving shaft are fixed, and guide rail is fixed on driving shaft, and pin shaft passes through the curve of fanning strip
In slot, guide holder is located above driving shaft, and earthing knife-switch passes through the guide sleeve of guide holder；
The bottom end of earthing knife-switch is connect by being flexible coupling with pedestal, and button contact base is fixed on quiet side group seat, and fingertip is arranged in fingertip
In seat, button contact base is corresponding with the other end of earthing knife-switch, when earthing knife-switch is moved to highest position, connects with the fingertip in button contact base
Touching.
The above are the basic structures of the utility model, are based on the basic structure, and the utility model is also made following optimization and changed
Into:
Further, the curved groove on above-mentioned guide rail is made of the arc groove of two sections of different radians, two sections of different radians
Arc groove is the first arc groove and the second arc groove.It is designed to the arc groove of two sections of different radians, when being to realize separating brake, ground
Knife first moves downward, and to after certain distance, rotates around driven shaft；When closing operation, earthing knife-switch is first rotated around driven shaft, when turning to
After quiet side corresponding position, move upwards and button contact base in fingertip contact, complete closing operation.
Further, above-mentioned quiet side group seat is equipped with location structure, and location structure is used for and the upper end of earthing knife-switch is cooperated.
Further, above-mentioned earthing knife-switch is hollow cylinder, and location structure includes column-shaped projection, and column-shaped projection can go deep into hollow
Cooperated inside cylindrical body.
Further, the end of above-mentioned column-shaped projection is equipped with chamfering.
Further, the quantity of above-mentioned fanning strip is two.
Further, said base is the cabinet of a top uncovered.
Further, above-mentioned to be flexible coupling for fexible conductor.
The advantages of the utility model:
1, the curved groove of the utility model high current earthing switch, guide rail is made of the arc groove of two sections of different radians, ground
Knife is carried out linear motion and rotary motion compound by the arc groove cooperation of two sections of different radians；First arc groove and earthing knife-switch
Cooperation, earthing knife-switch are contacting and separating by linear motion and fingertip realization, and guide rail is supplied to a upward active force of earthing knife-switch, guarantees
Biggish through-current capability；Second arc groove and earthing knife-switch cooperation, earthing knife-switch are realized rotation centered on driven shaft again, reduce volume
And occupied space；
2, the utility model high current earthing switch, location structure is equipped in quiet side group seat, and hollow cylinder earthing knife-switch passes through quiet
Location structure cooperates in side group seat, and when combined floodgate can realize reliable contacts.
Detailed description of the invention
Fig. 1 is structure chart when a kind of high current earthing switch of the utility model is in combined floodgate；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is base construction figure in Fig. 1；
Fig. 4 is guide rail structure figure in Fig. 1；
Fig. 5 is earthing knife-switch structure chart in Fig. 1；
Fig. 6 is contact finger structure figure in Fig. 1；
Fig. 7 is button contact base structure chart in Fig. 1；
Fig. 8 is quiet side group holder structure figure in Fig. 1；
Fig. 9 is the gate-dividing state figure of the utility model high current earthing switch.
Wherein, 1- pedestal；The quiet side group seat of 2-；3- earthing knife-switch；4- button contact base；5- fingertip；6- is flexible coupling；7- guide rail；8- is actively
Axis；9- connecting lever；10- guide holder；11- pin shaft；12- spring；13, location structure；14, the first arc groove；15, the second arc groove.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment provides a kind of high current earthing switch, and referring to Fig. 1-Fig. 8, a kind of high current ground connection is opened
It closes, including pedestal 1, quiet side group seat 2, transmission mechanism, earthing knife-switch 3, button contact base 4 and fingertip 5.
Pedestal 1 is the cabinet of a top uncovered；Earthing knife-switch 3 is hollow cylinder, while proof strength, mitigates weight, benefit
In operation portability.Quiet side group seat 2 is equipped with location structure 13, and location structure includes column-shaped projection, and column-shaped projection can be deeply empty
Cooperated inside heart cylindrical body.3 inner headed face of earthing knife-switch and location structure outer circle face contact, the upward power that cooperation guide rail applies,
Guarantee that earthing knife-switch 3 and fingertip are steadily contacted.The end of column-shaped projection is equipped with chamfering, plays the role of being oriented to and avoid to scratch.
Certainly, earthing knife-switch 3 can also be designed to the structure of rectangular strip or other shapes, and the protrusion of positioning mechanism 13 can also
To be made a change according to the shape of earthing knife-switch 3.
The transmission mechanism includes guide rail 7, driving shaft 8, connecting lever 9 and guide holder 10, and guide rail 7 includes that two sizes are identical
Fanning strip, fanning strip are equipped with curved groove, and curved groove is made of the arc groove of two sections of different radians, the arc of two sections of different radians
Slot is the first arc groove 14 and the second arc groove 15.
The earthing knife-switch 3 is radially provided with through-hole close to 1 one end of pedestal, and pin shaft 11 is penetrated in through-hole；
Driving shaft 8 is arranged on pedestal 1, wraps up insulating layer on pin shaft 11, alternatively, the through-hole wall of earthing knife-switch 3 is equipped with insulation
Layer.One end of connecting lever 9 and one end of driving shaft 8 are fixed, and guide rail 7 is fixed on driving shaft 8, and pin shaft 11 passes through two fanning strips
In curved groove,
Guide holder 10 includes guide sleeve, and the outer wall of guide sleeve is equipped with symmetrical two driven shafts；Guide holder 10 passes through two
Driven shaft is arranged on pedestal 1；Guide holder 10 is located at 8 top of driving shaft, and earthing knife-switch 3 passes through the guide sleeve of guide holder 10.
The bottom end of earthing knife-switch 36 is connect by being flexible coupling with pedestal 1, and button contact base 4 is fixed on quiet side group seat 2, the number of fingertip 5
It is multiple for measuring, and multiple fingertips 5 are arranged in button contact base 4, and a spring 12 is arranged between 4 inner wall of each fingertip 5 and button contact base.Touching
Refer to that seat 4 is corresponding with the other end of earthing knife-switch 3.It is flexible coupling 6 for fexible conductor, fexible conductor includes several layers scale copper, several layers
The both ends of scale copper are compacted.Quiet side group seat 2 is mounted in breaker or disconnecting switch, and pedestal 1 is grounded.
The working principle of the utility model are as follows:
The state of guide rail 7 drives driving shaft 8 to rotate clockwise, is fixed on as initial state by connecting lever 9 using in Fig. 1
Guide rail 7 on driving shaft 8 rotates with it, and moves in first the first arc groove 14 in guide rail 7 of pin shaft 11, earthing knife-switch 3 is along guiding
The guide sleeve of seat 10 moves in a straight line downwards, and 3 upper end of earthing knife-switch is separated with fingertip 5, and after being separated to certain position, pin shaft 11 is being led again
It is moved in the second arc groove 15 in rail 7, earthing knife-switch 3 starts to rotate around the driven shaft of guide holder 10, until certain position, pin shaft 11
It contacts, realizes sub-switching operation with the end of the second arc groove 15 (see Fig. 9)；It drives driving shaft 8 to rotate by connecting lever 9, is fixed on
Guide rail 7 on driving shaft 8 rotates with it, and pin shaft 11 moves in the second arc groove 15 in guide rail 7, and earthing knife-switch 3 is around guide holder 10
Driven shaft turn to the corresponding position with quiet side group seat 2, then connecting lever 9 drives driving shaft 8 and guide rail 7 to continue to rotate, pin shaft
It being moved in 11 the first arc groove 14 in guide rail 7, earthing knife-switch 3 moves in a straight line upwards along the guide sleeve of guide holder 10, until
Location structure reliable contacts in 3 upper end of earthing knife-switch and fingertip 5 and quiet side group seat 2 realize closing operation.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. a kind of high current earthing switch, including pedestal (1) and quiet side group seat (2), it is characterised in that: further include transmission mechanism,
Earthing knife-switch (3), button contact base (4) and fingertip (5)；
The transmission mechanism includes guide rail (7), driving shaft (8), connecting lever (9) and guide holder (10), and guide rail (7) includes fanning strip,
Fanning strip is equipped with curved groove；The earthing knife-switch (3) is radially provided with through-hole close to pedestal (1) one end, and pin shaft (11) are penetrated in through-hole；
Guide holder (10) includes guide sleeve, and the outer wall of guide sleeve is equipped with symmetrical two driven shafts；
Driving shaft (8) is arranged on pedestal (1)；Guide holder (10) is arranged on pedestal (1) by two driven shafts, and guide holder
(10) it is located at the top of driving shaft (8),
Insulating layer is equipped in the guide sleeve of guide holder (10)；Pin shaft wraps up insulating layer on (11), alternatively, in the through-hole of earthing knife-switch (3)
Wall is equipped with insulating layer；
One end of connecting lever (9) and one end of driving shaft (8) are fixed, and guide rail (7) is fixed on driving shaft (8), and pin shaft (11) passes through
In the curved groove of fanning strip, earthing knife-switch (3) passes through the guide sleeve of guide holder (10)；
The bottom end of earthing knife-switch (3) by be flexible coupling (6) connect with pedestal (1), button contact base (4) is fixed on quiet side group seat (2), fingertip
(5) setting is in button contact base (4), and button contact base (4) is corresponding with the other end of earthing knife-switch (3), and earthing knife-switch (3) is moved to highest position
When, it is contacted with the fingertip (5) in button contact base (4).
2. a kind of high current earthing switch according to claim 1, it is characterised in that: the curved groove on the guide rail (7)
It is made of the arc groove of two sections of different radians, the arc groove of two sections of different radians is the first arc groove (14) and the second arc groove
(15)。
3. a kind of high current earthing switch according to claim 1 or 2, it is characterised in that: set on the quiet side group seat (2)
Have location structure (13), location structure (13) is used for and the upper end of earthing knife-switch (3) is cooperated.
4. a kind of high current earthing switch according to claim 3, it is characterised in that: the earthing knife-switch (3) is hollow cylinder
Body, location structure include column-shaped projection, and column-shaped projection can go deep into being cooperated inside hollow cylinder.
5. a kind of high current earthing switch according to claim 4, it is characterised in that: the end of column-shaped projection is equipped with
Angle.
6. a kind of high current earthing switch according to claim 5, it is characterised in that: the quantity of the fanning strip is two
It is a.
7. a kind of high current earthing switch according to claim 6, it is characterised in that: pedestal (1) is a top uncovered
Cabinet.
8. a kind of high current earthing switch according to claim 7, it is characterised in that: be flexible coupling (6) for fexible conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164437.9U CN208738116U (en) | 2018-07-23 | 2018-07-23 | A kind of high current earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164437.9U CN208738116U (en) | 2018-07-23 | 2018-07-23 | A kind of high current earthing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738116U true CN208738116U (en) | 2019-04-12 |
Family
ID=66027999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821164437.9U Expired - Fee Related CN208738116U (en) | 2018-07-23 | 2018-07-23 | A kind of high current earthing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738116U (en) |
-
2018
- 2018-07-23 CN CN201821164437.9U patent/CN208738116U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20200723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |