CN217521890U - Novel load isolating switch structure - Google Patents
Novel load isolating switch structure Download PDFInfo
- Publication number
- CN217521890U CN217521890U CN202220998485.8U CN202220998485U CN217521890U CN 217521890 U CN217521890 U CN 217521890U CN 202220998485 U CN202220998485 U CN 202220998485U CN 217521890 U CN217521890 U CN 217521890U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- square shaft
- driving swing
- shell
- spring
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 20
- 230000003068 static effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 241000463219 Epitheca Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Abstract
The utility model relates to a novel load isolating switch structure, which comprises a shell; a slider; the transmission guide post slides between the left stop block and the right stop block in a reciprocating manner; the driving swing arm drives the conducting column to swing; one end of the driven swing arm is connected with the shell through a connecting pin, the other end of the driven swing arm is provided with a sliding groove, and the upper end of the conduction column penetrates through the sliding groove; the spring is sleeved on the driven swing arm; the square shaft drives the driving swing arm to synchronously rotate; when the square shaft rotates to be in the same straight line position with the transmission guide post and the connecting pin, the driving swing arm compresses the spring to finish energy storage. The utility model discloses make full use of link mechanism transmission and spring energy storage release energy characteristic realize that quick divide-shut brake makes power switching speed faster more stable.
Description
Technical Field
The utility model relates to a novel load isolator structure.
Background
As shown in fig. 1 and 2, a conventional load isolating switch includes a housing 1, a slider 2, a shifting piece 3, a square shaft 4 and a transmission post 5;
the shell 1 is provided with a plurality of pairs of fixed contacts 11, each pair of fixed contacts 11 comprises two fixed contact pieces, the two fixed contact pieces are symmetrically and fixedly arranged on two sides of the shell 1, the sliding block 2 is movably arranged in the shell 1, the sliding block 2 is provided with a moving contact, the number of the fixed contacts is consistent with the number of pairs of the fixed contacts, the sliding block 2 reciprocates between a closing station and an opening station of the shell 1, when the sliding block 2 moves to the closing station, the moving contact on the sliding block 2 electrically conducts and communicates each pair of fixed contacts, when the sliding block 2 moves to the opening station, the fixed contacts on the sliding block 2 are moved away from each pair of fixed contacts, and a circuit between the fixed contacts is disconnected.
The shifting piece 3 is fixedly arranged at the upper end of the sliding block 2, a U-shaped groove surface is formed at the upper end of the shifting piece 3, the lower end of the conduction column 5 is placed in the U-shaped groove surface of the shifting piece 3, the upper end of the conduction column 5 is connected with a sliding groove on the square shaft 4, and the upper end of the conduction column 5 is clamped with the sliding groove, so that the conduction column 5 can slide at two ends in the sliding groove; during operation, the square shaft 4 is rotated, the square shaft 4 drives the transmission column 5 to move on the shifting piece 3, and the transmission column 5 is abutted to the shifting piece 3 and then drives the sliding block 2 to move.
The problems of the prior load isolating switch structure are as follows: the square shaft 4 rotates to drive the transmission guide pillar 5 and the shifting piece 3 to move to complete switching-on, in the process, the switching-on resistance is large, the sliding block 2 is moved to a switching-on station completely by means of the rotating force of the square shaft 4, and the switching-on and switching-off time is slow.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, a novel load isolating switch structure is provided, and the problems that in the conventional load switch structure, the resistance is large in the opening and closing process, and the opening speed is influenced are solved.
The utility model provides a technical scheme that its technical problem adopted is:
a novel load isolating switch structure is provided, which is characterized by comprising
The device comprises a shell, a plurality of pairs of fixed contacts and a plurality of static contacts, wherein the shell is provided with a plurality of pairs of fixed contacts;
the sliding block moves back and forth between a closing station and an opening station of the shell, a static contact is mounted on the sliding block, and a left stop block and a right stop block are arranged at the upper end of the sliding block;
the transmission guide post is placed on the sliding block and is suitable for sliding between the left stop block and the right stop block in a reciprocating manner;
the middle part of the driving swing arm is connected with the square shaft so that the driving swing arm takes the square shaft as the center and synchronously rotates with the square shaft, and one side end of the driving swing arm is connected with the conduction column so as to drive the conduction column to swing;
one end of the driven swing arm is connected with the shell through a connecting pin so that the driven swing arm rotates around the connecting pin, the other end of the driven swing arm is provided with a sliding groove, and the upper end of the conduction column penetrates through the sliding groove;
the spring is sleeved on the driven swing arm, the front end of the spring is abutted with the driving swing arm, and the rear end of the spring is abutted with the connecting pin;
the square shaft penetrates through the middle part of the driving swing arm and then is inserted into the shell, the square shaft and the shell form rotating fit so that the square shaft rotates on the shell, and the square shaft is connected with the driving swing arm so that the square shaft drives the driving swing arm to synchronously rotate;
when the square shaft rotates to the position which is in the same straight line with the transmission guide post and the connecting pin, the driving swing arm compresses the spring to finish energy storage.
Furthermore, a front blocking piece and a rear blocking piece are sleeved on the driven swing arm, the spring is located between the front blocking piece and the rear blocking piece, the rear blocking piece is abutted to the connecting pin, and the front blocking piece is abutted to the driving swing arm.
Furthermore, fan-shaped holes are formed in the driving swing arm, a section of fan-shaped shaft body is formed on the square shaft, and the fan-shaped shaft body penetrates through the fan-shaped holes of the driving swing arm, so that the square shaft drives the driving swing arm to rotate synchronously.
Furthermore, the driving swing arm comprises two upper and lower rod bodies, one end of each rod body is connected through a fixing pin, and the other end of each rod body is fixedly connected with the corresponding conduction column.
The utility model has the advantages that:
the utility model discloses a novel load isolator structure, square shaft are closing a floodgate or the rotatory in-process of separating brake, can carry out the energy storage earlier through the spring, and the spring release energy storage when being compressed to the critical value, the restoring force of spring can promote the slider and do the combined floodgate or the separating brake removal when the spring release energy storage to realize automatic combined floodgate function.
The utility model discloses make full use of link mechanism transmission and spring energy storage release energy characteristic realize that quick divide-shut brake makes power switching speed faster more stable.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a conventional load isolation switch;
FIG. 2 is a diagram of the connection between the slider, the pick, the square shaft and the guide post in the conventional load isolator;
fig. 3 is a schematic view of the load isolating switch structure of the present invention at the opening station;
fig. 4 is a schematic diagram of the load isolating switch structure of the present invention in an energy storage state;
fig. 5 is a schematic diagram of the load isolating switch structure of the present invention at a closing station;
fig. 6 is a connecting structure diagram between the driving swing arm, the conducting post and the sliding block in the novel load isolating switch structure of the invention;
fig. 7 is a connecting structure diagram between the driven swing arm, the spring and the two blocking pieces in the load isolating switch structure of the present invention;
fig. 8 is a diagram of the connection structure between the square shaft, the driving swing arm, the driven swing arm, the spring and the two blocking pieces in the structure of the load isolating switch of the present invention;
wherein, the first and the second end of the pipe are connected with each other,
1. the device comprises a shell, 11, a static contact, 2, a sliding block, 3, a shifting piece, 4, a square shaft, 5 and a conducting column;
21. a left block 22 and a right block;
6. the driving swing arm 61, the rod body 62, the fixed pin 63 and the fan-shaped hole;
7. the driven swing arm 71, the sliding groove 72 and the connecting pin;
8. spring 81, front stop, 82, rear stop.
Detailed Description
The invention will now be further described with reference to specific embodiments. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in FIGS. 3 to 8, a novel load isolating switch structure comprises
The device comprises a shell 1, wherein a plurality of pairs of static contacts are arranged on the shell 1;
the sliding block 2 reciprocates between a closing station and an opening station of the shell 1, a fixed contact is mounted on the sliding block 2, and a left stop block 21 and a right stop block 22 are arranged at the upper end of the sliding block 2;
a guide post 5 resting on the slider 2 and adapted to slide reciprocally between a left stop 21 and a right stop 22;
the middle part of the driving swing arm 6 is connected with the square shaft 4, so that the driving swing arm 6 takes the square shaft 4 as the center and synchronously rotates with the square shaft 4, and one end part of the driving swing arm is connected with the conducting column 5 to drive the conducting column 5 to swing;
one end of the driven swing arm 7 is connected with the shell by a connecting pin 72, so that the driven swing arm 7 rotates around the connecting pin 72, the other end of the driven swing arm is provided with a sliding groove 71, and the upper end of the transmission post 5 penetrates through the sliding groove 71;
the spring 8 is sleeved on the driven swing arm 7, the front end of the spring is abutted with the driving swing arm 6, and the rear end of the spring is abutted with the connecting pin 72;
the square shaft 4 penetrates through the middle part of the driving swing arm 6 and then is inserted into the shell, the square shaft 4 is in running fit with the shell so that the square shaft 4 rotates on the shell, and the square shaft 4 is connected with the driving swing arm 6 so that the square shaft 4 drives the driving swing arm 6 to synchronously rotate;
when the square shaft 4 rotates to be in the same straight line position with the conducting column 5 and the connecting pin 72, the driving swing arm 6 compresses the spring 8 to complete energy storage.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 7, a front blocking piece 81 and a rear blocking piece 82 are sleeved on the driven swing arm 7, the spring 8 is located between the front blocking piece 81 and the rear blocking piece 82, the rear blocking piece 82 abuts against the connecting pin 72, and the front blocking piece 81 abuts against the driving swing arm 6.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 6, a sector hole 63 is formed in the driving swing arm 6, a sector shaft body is formed on the square shaft 4, and the sector shaft body passes through the sector hole 63 of the driving swing arm 6, so that the square shaft 4 drives the driving swing arm 6 to rotate synchronously.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 8, the driving swing arm 6 includes two upper and lower rod bodies 61, one end of each of the two rod bodies 61 is connected by a fixing pin 62, and the other end of each of the two rod bodies 61 is fixedly connected to the conducting post 5.
In this embodiment, casing 1 includes epitheca and inferior valve, and slider 2 is located between epitheca and the inferior valve, and after square shaft 4 passed the epitheca, its lower extreme was pegged graft with the inferior valve, made to form normal running fit between square shaft 4 and epitheca and the inferior valve.
The utility model discloses load isolator structure theory of operation:
as shown in fig. 3, the slide block 2 moves to the right side, and the switch is in a brake-off station; at this time, the square shaft 4 is rotated, the square shaft 4 drives the driving swing arm 6 to rotate, the driving swing arm 6 drives the transmission column 5 to move together, and when the transmission column 5, the square shaft 4 and the connecting pin 72 rotate to be positioned on the same straight line (three points and one line), the driving swing arm 6 compresses the spring 8 at this time to realize energy storage, namely as shown in fig. 4; the square shaft 4 drives the driving swing arm 6 to continue rotating, when the position of the transmission column 5 passes through three points and one line, the spring 8 starts to release energy, and the transmission column 5 is abutted against the left stop block 21 to drive the sliding block 2 to rapidly move to a closing station, so that the switch is closed, namely as shown in fig. 5; similarly, the square shaft 4 is rotated reversely, so that the switch can be switched off quickly.
The utility model discloses a novel load isolator structure, square shaft 4 can carry out the energy storage earlier through spring 8 at combined floodgate or the rotatory in-process of separating brake, and spring 8 releases the energy storage when being compressed to the critical value, and spring 8's restoring force can promote slider 2 and do combined floodgate or separating brake and remove when spring 8 releases the energy storage to realize automatic combined floodgate function.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A novel load isolating switch structure is characterized by comprising
The device comprises a shell, a plurality of pairs of fixed contacts and a plurality of groups of static contacts, wherein the shell is provided with the plurality of pairs of fixed contacts;
the sliding block moves back and forth between a closing station and an opening station of the shell, a fixed contact is mounted on the sliding block, and a left stop block and a right stop block are arranged at the upper end of the sliding block;
the transmission guide post is placed on the sliding block and is suitable for sliding between the left stop block and the right stop block in a reciprocating manner;
the middle part of the driving swing arm is connected with the square shaft so that the driving swing arm takes the square shaft as the center and synchronously rotates with the square shaft, and one side end of the driving swing arm is connected with the conduction column so as to drive the conduction column to swing;
one end of the driven swing arm is connected with the shell through a connecting pin so as to enable the driven swing arm to rotate around the connecting pin, the other end of the driven swing arm is provided with a sliding groove, and the upper end of the conducting column penetrates through the sliding groove;
the spring is sleeved on the driven swing arm, the front end of the spring is abutted with the driving swing arm, and the rear end of the spring is abutted with the connecting pin;
the square shaft penetrates through the middle part of the driving swing arm and then is inserted into the shell, the square shaft and the shell form rotating fit so that the square shaft rotates on the shell, and the square shaft is connected with the driving swing arm so that the square shaft drives the driving swing arm to synchronously rotate;
when the square shaft rotates to the position which is in the same straight line with the transmission guide post and the connecting pin, the driving swing arm compresses the spring to finish energy storage.
2. The novel load isolator structure of claim 1,
the driven swing arm is sleeved with a front blocking piece and a rear blocking piece, the spring is located between the front blocking piece and the rear blocking piece, the rear blocking piece is abutted to the connecting pin, and the front blocking piece is abutted to the driving swing arm.
3. The novel load isolator structure of claim 1,
the driving swing arm is provided with a sector hole, the square shaft is provided with a sector shaft body, and the sector shaft body penetrates through the sector hole of the driving swing arm so that the square shaft drives the driving swing arm to synchronously rotate.
4. The novel load isolator structure of claim 1,
the driving swing arm comprises two upper rod bodies and two lower rod bodies, one end of each of the two rod bodies is connected through a fixing pin, and the other end of each of the two rod bodies is fixedly connected with the conduction column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998485.8U CN217521890U (en) | 2022-04-26 | 2022-04-26 | Novel load isolating switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220998485.8U CN217521890U (en) | 2022-04-26 | 2022-04-26 | Novel load isolating switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217521890U true CN217521890U (en) | 2022-09-30 |
Family
ID=83371823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220998485.8U Expired - Fee Related CN217521890U (en) | 2022-04-26 | 2022-04-26 | Novel load isolating switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217521890U (en) |
-
2022
- 2022-04-26 CN CN202220998485.8U patent/CN217521890U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2927514A1 (en) | Rapid tri-state bidirectional switching device | |
| CN109442036B (en) | Electric shifting fork control system for jaw clutch | |
| CN114089178A (en) | Multi-station circuit breaker comprehensive detection equipment | |
| CN217521890U (en) | Novel load isolating switch structure | |
| CN113611553B (en) | Operating mechanism of dual-power change-over switch and dual-power change-over switch | |
| CN114709099A (en) | Novel load isolating switch structure | |
| CN109148179B (en) | Power supply switching device based on spring energy release quick opening and closing | |
| CN113643912B (en) | Operating mechanism of dual-power change-over switch and dual-power change-over switch | |
| CN207441498U (en) | A kind of direct-current isolating switch | |
| CN216015106U (en) | Operation mechanism of double-power-supply change-over switch and double-power-supply change-over switch | |
| CN113289909B (en) | Test sorting equipment with marking function for switch manufacturing equipment | |
| CN215869103U (en) | Operating mechanism | |
| CN216015109U (en) | Operating mechanism of double-power-supply change-over switch and double-power-supply change-over switch | |
| CN211604976U (en) | Linkage structure of circuit breaker | |
| CN104505295B (en) | A kind of rocker switch | |
| CN110364377B (en) | Change-over switch mechanism and dual-power automatic change-over switch comprising same | |
| CN112045457A (en) | Movable type cylindrical workpiece mechanical clamp | |
| CN215879546U (en) | Push-pull device of full-automatic die changing trolley | |
| CN210296159U (en) | Lithium electric tool switch | |
| CN219696279U (en) | Operating mechanism of dual-power automatic transfer switch | |
| CN110767474A (en) | DC trigger switch with double contact point contact structure | |
| CN212750705U (en) | Isolating switch fuse group operating mechanism | |
| CN110058060A (en) | A kind of electric appliance automatic protection ground connection operating system | |
| CN214477001U (en) | Operating mechanism of change-over switch | |
| CN218974526U (en) | Electrical apparatus switch test fixture |
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: 20220930 |