CN219497693U - Fixing device of circuit breaker - Google Patents
Fixing device of circuit breaker Download PDFInfo
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- CN219497693U CN219497693U CN202320932802.0U CN202320932802U CN219497693U CN 219497693 U CN219497693 U CN 219497693U CN 202320932802 U CN202320932802 U CN 202320932802U CN 219497693 U CN219497693 U CN 219497693U
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- mounting plate
- circuit breaker
- wall
- rod
- shell
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Abstract
The utility model relates to a fixing device of a circuit breaker, which is arranged on a shell of a circuit breaker body, wherein a wiring terminal and an operating handle are arranged on the front wall of the shell; the fixing device of the circuit breaker is arranged on the rear wall of the shell and comprises a mounting plate, a mounting mechanism and a buffer mechanism; the mounting mechanism and the buffer mechanism are arranged on the mounting plate; the mounting panel is three-dimensional hollow structure, sets up on the back wall of shell and is parallel with the back wall of shell, and buffer gear sets up on the front wall of mounting panel. The mounting mechanism can realize fixed mounting, is convenient to mount and dismount, and is simple to operate; the buffer mechanism can buffer the vibration received by the circuit breaker, so that the shock-resistant protection effect on the circuit breaker is improved, and the working stability of the circuit breaker is guaranteed.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a fixing device of a circuit breaker.
Background
The circuit breaker is a switching device capable of switching on, carrying and breaking current under normal loop conditions and switching on, carrying and breaking current under abnormal loop conditions within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the application range, the high-voltage boundary line is more fuzzy, the high-voltage circuit breaker is generally called a high-voltage electric appliance above 3kV, and the circuit breaker is an extremely important link in the process of generating, conveying and using electricity, can be used for distributing the electric energy, does not frequently start an asynchronous motor, protects a power supply line, a motor and the like, can automatically cut off the circuit when serious overload, short circuit, undervoltage and other faults occur, has the functions equivalent to the combination of a fuse type switch, an overheat relay and the like, does not generally need to change parts after breaking fault current, and has been widely applied.
Some circuit breakers in the prior art can only be directly installed through bolts, and the operation steps of installing and dismantling the rear circuit breakers are troublesome, so that manpower is wasted, the overhaul of the circuit breakers is influenced, the shock resistance effect of the circuit breakers is poor, and the working stability is influenced.
Disclosure of Invention
The utility model provides a fixing device of a circuit breaker, which has the following technical scheme:
the fixing device of the circuit breaker is arranged on a shell of the circuit breaker body, and a wiring terminal and an operating handle are arranged on the front wall of the shell; the fixing device of the circuit breaker is arranged on the rear wall of the shell and comprises a mounting plate, a mounting mechanism and a buffer mechanism; the mounting mechanism and the buffer mechanism are arranged on the mounting plate; the mounting panel is three-dimensional hollow structure, sets up on the back wall of shell and is parallel with the back wall of shell, and buffer gear sets up on the front wall of mounting panel.
Preferably, the mounting mechanism body is disposed within the mounting plate and extends out of the mounting plate; the installation mechanism comprises: the device comprises a rotating rod, a driving bevel gear, a bidirectional threaded rod, a driven bevel gear, a nut block and a moving rod;
the rotating rod is horizontally inserted above the inside of the mounting plate, the tail end of the rotating rod is rotationally connected with one side wall of the mounting plate, and the outer end of the rotating rod extends out of the other side wall of the mounting plate;
the rotating rod is provided with two driving bevel gears in parallel at intervals on the rod in the mounting plate, each driving bevel gear is respectively meshed with a driven bevel gear below the driving bevel gear, the lower parts of the two driven bevel gears are respectively fixedly connected with a bidirectional threaded rod, and the lower parts of the two bidirectional threaded rods are rotationally connected with the inner wall of the lower end of the mounting plate through a bearing seat;
the upper part and the lower part of each bidirectional threaded rod are respectively provided with a nut block, and the total number of the nut blocks is four; the two nut blocks of the upper part are positioned at the same height, and the two nut blocks of the lower part are positioned at the same height;
a movable rod is vertically and fixedly connected to each nut block, and horizontally extends out of the rear wall of the mounting plate.
Preferably, the mounting mechanism further comprises an upper clamping plate and a lower clamping plate, and the upper clamping plate is fixedly connected with the tail ends of the upper two moving rods; the clamping plate below is fixedly connected with the tail ends of the two moving rods below.
Preferably, two vertical strip-shaped openings are arranged on the rear wall of the mounting plate, and the two strip-shaped openings are horizontally arranged in parallel; the positions of the two strip-shaped openings correspond to the two bidirectional threaded rods; the moving rod on each bidirectional threaded rod extends backwards from the corresponding strip-shaped opening and extends to the rear of the strip-shaped opening.
Preferably, the buffer mechanism comprises two vertically arranged rectangular strip shells fixed on the outer side of the front wall of the mounting plate, and the two rectangular strip shells are horizontally arranged in parallel; each rectangular strip shell is fixedly provided with a vertical supporting rod, and the supporting rods are fixedly connected between the upper inner wall and the lower inner wall of the rectangular strip shell;
each support rod is sleeved with a sliding sleeve in a sliding manner, the upper end and the lower end of the sliding sleeve are fixedly connected with a buffer spring respectively, and the buffer spring is sleeved on the support rod; the upper part of the upper buffer spring is fixedly connected to the upper inner wall of the rectangular strip shell, and the lower part of the lower buffer spring is fixedly connected to the lower inner wall of the rectangular strip shell;
the front side of the sliding sleeve is vertically and fixedly connected with a connecting rod arranged in the horizontal direction, a strip-shaped sliding opening is vertically arranged on the front wall of the rectangular strip shell, and the outer end of the connecting rod penetrates out of the sliding opening and is connected to the rear wall of the shell.
Preferably, the outer end of the rotating rod is fixedly connected with a hand wheel.
Preferably, the support rod is cylindrical, and the support rod is in sliding connection with the inner wall of the through hole of the sliding sleeve.
Preferably, the inner end of the rotating rod is rotatably connected with the inner wall of one side of the mounting plate through a rotating piece.
Preferably, the outer side wall of the nut block abuts against and is slidably connected to the inner wall of the mounting plate.
The beneficial effects are that: the utility model relates to a fixing device of a circuit breaker, which comprises a mounting plate, a mounting plate mechanism and a buffer mechanism; the mounting mechanism and the buffer mechanism are arranged on the mounting plate; the mounting mechanism can realize fixed mounting, is convenient to mount and dismount, and is simple to operate; the buffer mechanism can buffer the vibration received by the circuit breaker, so that the shock-resistant protection effect on the circuit breaker is improved, and the working stability of the circuit breaker is guaranteed.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic rear perspective view of the mounting plate of the present utility model;
FIG. 3 is a schematic view of a rear cross-sectional structure of a mounting plate of the present utility model;
fig. 4 is a schematic cross-sectional view of a buffer mechanism according to the present utility model.
In the figure: 1. a mounting plate; 2. a circuit breaker body; 3. a strip-shaped opening; 4. a clamping plate; 5. a rotating rod; 6. a drive bevel gear; 7. a two-way threaded rod; 8. a driven bevel gear; 9. a nut block; 10. a moving rod; 11. rectangular bar shells; 12. a support rod; 13. a sliding sleeve; 14. a buffer spring; 15. a connecting rod; 16. a sliding port; 17. a hand wheel; 18. a housing; 19. a connection terminal; 20. and operating the handle.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The fixing device of the circuit breaker is arranged on a shell 18 of the circuit breaker body 2, and a wiring terminal 19 and an operating handle 20 are arranged on the front wall of the shell 18; the fixing device of the circuit breaker is arranged on the rear wall of the shell 18 and comprises a mounting plate 1, a mounting mechanism and a buffer mechanism; the mounting mechanism and the buffer mechanism are arranged on the mounting plate 1; the mounting plate 1 is of a three-dimensional hollow structure, is arranged on the rear wall of the shell 18 and is parallel to the rear wall of the shell 18, and the buffer mechanism is arranged on the front wall of the mounting plate 1.
The mounting mechanism main body is arranged in the mounting plate 1 and extends out of the mounting plate 1; the installation mechanism comprises: the device comprises a rotating rod 5, a driving bevel gear 6, a bidirectional threaded rod 7, a driven bevel gear 8, a nut block 9 and a moving rod 10.
The top inside mounting panel 1 is inserted to bull stick 5 level, and the end of bull stick 5 is connected with the rotation of one side wall of mounting panel 1, and the outer end of bull stick 5 extends to outside the other lateral wall of mounting panel 1.
The rotating rod 5 is provided with two drive bevel gears 6 in parallel on the rod inside the mounting plate 1 at intervals, each drive bevel gear 6 is respectively meshed with a driven bevel gear 8 below the drive bevel gears, the lower parts of the two driven bevel gears 8 are respectively fixedly connected with a bidirectional threaded rod 7, and the lower parts of the two bidirectional threaded rods 7 are rotationally connected with the inner wall of the lower end of the mounting plate 1 through bearing seats.
The outer end fixedly connected with hand wheel 17 of bull stick 5 is convenient for rotate bull stick 5.
The inner end of the rotating rod 5 is rotationally connected with the inner wall of one side of the mounting plate 1 through a rotating piece, and the rotating rod 5 can be supported.
The upper part and the lower part of each bidirectional threaded rod 7 are respectively provided with a nut block 9, and the total number of the nut blocks 9 is four; the two nut blocks 9 of the upper part are at the same height, and the two nut blocks 9 of the lower part are at the same height. The outer side wall of the nut block 9 abuts against the inner wall of the mounting plate 1 and is connected in a sliding manner, so that the axial rotation of the nut block 9 can be limited.
A movable rod 10 is vertically and fixedly connected to each nut block 9, and the movable rod 10 horizontally extends out from the rear wall of the mounting plate 1.
The mounting mechanism also comprises an upper clamping plate 4 and a lower clamping plate 4, and the upper clamping plate 4 is fixedly connected with the tail ends of the upper two moving rods 10; the lower clamping plate 4 is fixedly connected with the tail ends of the two lower movable rods 10.
Two vertical strip-shaped openings 3 are arranged on the rear wall of the mounting plate 1, and the two strip-shaped openings 3 are horizontally arranged in parallel; the positions of the two strip-shaped openings 3 correspond to the positions of the two bidirectional threaded rods 7; the moving rod 10 on each bi-directional threaded rod 7 extends from the corresponding bar-shaped opening 3 rearward and out to the rear of the bar-shaped opening 3, respectively.
The rotating rod 5 is rotated, and then the two drive bevel gears 6 are driven to synchronously rotate, as the two drive bevel gears 6 are respectively meshed with the two driven bevel gears 8, and then the two bidirectional threaded rods 7 are driven to synchronously rotate, as the bidirectional threaded rods 7 are respectively in threaded connection with the two nut blocks 9, and the axial rotation of the nut blocks 9 follows the limit of the moving rod 10 by the strip-shaped opening 3, and then the two nut blocks 9 are driven to displace in the similar direction, and then the two clamping plates 4 are driven to clamp the mounting rack, so that the fixed mounting is realized, the operation is simple, the labor is saved, the mounting and the dismounting are convenient, and the fixation is firm.
The buffer mechanism comprises two vertically arranged rectangular strip shells 11 fixed on the outer side of the front wall of the mounting plate 1, and the two rectangular strip shells 11 are horizontally arranged in parallel; each rectangular strip shell 11 is fixedly provided with a vertical supporting rod 12, and the supporting rods 12 are fixedly connected between the upper inner wall and the lower inner wall of the rectangular strip shell 11.
Each support rod 12 is sleeved with a sliding sleeve 13 in a sliding manner, the upper end and the lower end of the sliding sleeve 13 are respectively fixedly connected with a buffer spring 14, and the buffer springs 14 are sleeved on the support rods 12; the upper part of the upper buffer spring 14 is fixedly connected to the upper inner wall of the rectangular strip shell 11, and the lower part of the lower buffer spring 14 is fixedly connected to the lower inner wall of the rectangular strip shell 11.
The front side of the sliding sleeve 13 is vertically and fixedly connected with a connecting rod 15 arranged in the horizontal direction, a strip-shaped sliding opening 16 is vertically arranged on the front wall of the rectangular strip shell 11, and the outer end of the connecting rod 15 penetrates out of the sliding opening 16 and is connected to the rear wall of the shell 18.
The support rod 12 is cylindrical, and the support rod 12 is in sliding connection with the inner wall of the through hole of the sliding sleeve 13, so that the sliding sleeve 13 can conveniently displace. When the breaker body 2 is vibrated, the sliding sleeve 13 fixed with the connecting rod 15 is driven to slide and displace on the supporting rod 12 in the rectangular bar shell 11, the buffer spring 14 is extruded and contracted by the sliding sleeve 13 to generate elasticity, and vibration received by the breaker body 2 can be buffered by utilizing the elasticity action of the buffer spring 14, so that the shock-proof protection effect on the breaker body 2 is improved, and the working stability of the breaker is guaranteed.
The working principle of the utility model is as follows: when this device is installed to needs, place the upper and lower both sides of block terminal mounting bracket with two cardboard 4, rotate hand wheel 17, drive bull stick 5 and rotate, and then drive two initiative bevel gear 6 synchronous rotation, because two initiative bevel gear 6 respectively with two driven bevel gears 8 meshing, and then drive two-way threaded rods 7 synchronous rotation, because two-way threaded rods 7 respectively with two nut piece 9 threaded connection, and the axial rotation of nut piece 9 receives the restriction of bar opening 3 along with movable rod 10, and then drive two nut piece 9 and remove in opposite directions, and then drive two cardboard 4 clamping mounting bracket, realize fixed mounting, and easy operation, use manpower sparingly, the installation of being convenient for is dismantled, and it is fixed firm.
When the breaker body 2 is vibrated, the sliding sleeve 13 fixed with the connecting rod 15 is driven to slide and displace on the supporting rod 12 in the rectangular bar shell 11, the buffer spring 14 is extruded and contracted by the sliding sleeve 13 to generate elasticity, and vibration received by the breaker body 2 can be buffered by utilizing the elasticity action of the buffer spring 14, so that the shock-proof protection effect on the breaker body 2 is improved, and the working stability of the breaker is guaranteed.
Claims (9)
1. A fixing device of a circuit breaker is arranged on a shell (18) of a circuit breaker body (2), and a connecting terminal (19) and an operating handle (20) are arranged on the front wall of the shell (18); the circuit breaker is characterized in that a fixing device of the circuit breaker is arranged on the rear wall of a shell (18) and comprises a mounting plate (1), a mounting mechanism and a buffer mechanism; the mounting mechanism and the buffer mechanism are arranged on the mounting plate (1); the mounting plate (1) is of a three-dimensional hollow structure, is arranged on the rear wall of the shell (18) and is parallel to the rear wall of the shell (18), and the buffer mechanism is arranged on the front wall of the mounting plate (1).
2. A fixing device of a circuit breaker according to claim 1, characterized in that the mounting mechanism body is arranged inside the mounting plate (1) and extends outside the mounting plate (1); the installation mechanism comprises: the device comprises a rotating rod (5), a driving bevel gear (6), a bidirectional threaded rod (7), a driven bevel gear (8), a nut block (9) and a moving rod (10);
the rotating rod (5) is horizontally inserted above the inside of the mounting plate (1), the tail end of the rotating rod (5) is rotationally connected with one side wall of the mounting plate (1), and the outer end of the rotating rod (5) extends out of the other side wall of the mounting plate (1);
the rotating rod (5) is provided with two driving bevel gears (6) in parallel on the rod inside the mounting plate (1), each driving bevel gear (6) is respectively meshed with a driven bevel gear (8) below the driving bevel gear, the lower parts of the two driven bevel gears (8) are respectively fixedly connected with a bidirectional threaded rod (7), and the lower parts of the two bidirectional threaded rods (7) are rotationally connected with the inner wall of the lower end of the mounting plate (1) through bearing seats;
the upper part and the lower part of each bidirectional threaded rod (7) are respectively provided with a nut block (9), and the total number of the nut blocks (9) is four; the two nut blocks (9) of the upper part are positioned at the same height, and the two nut blocks (9) of the lower part are positioned at the same height;
a movable rod (10) is vertically and fixedly connected to each nut block (9), and the movable rod (10) horizontally extends out of the rear wall of the mounting plate (1).
3. The fixing device of a circuit breaker according to claim 2, characterized in that the mounting mechanism further comprises an upper and a lower clamping plates (4), the upper clamping plate (4) being fixedly connected with the ends of the upper two moving rods (10); the clamping plate (4) below is fixedly connected with the tail ends of the two moving rods (10) below.
4. A fixing device of a circuit breaker according to claim 3, characterized in that the rear wall of the mounting plate (1) is provided with two vertical strip-shaped openings (3), the two strip-shaped openings (3) being horizontally juxtaposed; the positions of the two strip-shaped openings (3) are corresponding to the two bidirectional threaded rods (7); the moving rod (10) on each bidirectional threaded rod (7) extends from the corresponding strip-shaped opening (3) backwards and extends to the rear of the strip-shaped opening (3).
5. The device for fixing a circuit breaker according to claim 4, characterized in that the buffer means comprise two vertically arranged rectangular bar shells (11) fixed outside the front wall of the mounting plate (1), the two rectangular bar shells (11) being arranged horizontally side by side; each rectangular strip shell (11) is fixedly provided with a vertical supporting rod (12), and the supporting rods (12) are fixedly connected between the upper inner wall and the lower inner wall of the rectangular strip shell (11);
each support rod (12) is sleeved with a sliding sleeve (13) in a sliding manner, the upper end and the lower end of the sliding sleeve (13) are fixedly connected with a buffer spring (14) respectively, and the buffer spring (14) is sleeved on the support rod (12); the upper part of the upper buffer spring (14) is fixedly connected to the upper inner wall of the rectangular strip shell (11), and the lower part of the lower buffer spring (14) is fixedly connected to the lower inner wall of the rectangular strip shell (11);
the front side of the sliding sleeve (13) is vertically and fixedly connected with a connecting rod (15) arranged in the horizontal direction, a strip-shaped sliding opening (16) is vertically arranged on the front wall of the rectangular strip shell (11), and the outer end of the connecting rod (15) penetrates out of the sliding opening (16) and is connected to the rear wall of the shell (18).
6. The fixing device of a circuit breaker according to claim 5, characterized in that the outer end of the rotating rod (5) is fixedly connected with a hand wheel (17).
7. The fixing device of a circuit breaker according to claim 6, characterized in that the supporting rod (12) is cylindrical, and the supporting rod (12) is slidingly connected with the inner wall of the through hole of the sliding sleeve (13).
8. The fixing device of a circuit breaker according to claim 7, characterized in that the inner end of the rotating rod (5) is rotatably connected with one side inner wall of the mounting plate (1) by means of a rotating member.
9. A fixing device of a circuit breaker according to claim 8, characterized in that the outer side wall of the nut block (9) abuts against and is slidingly connected with the inner wall of the mounting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932802.0U CN219497693U (en) | 2023-04-24 | 2023-04-24 | Fixing device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932802.0U CN219497693U (en) | 2023-04-24 | 2023-04-24 | Fixing device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219497693U true CN219497693U (en) | 2023-08-08 |
Family
ID=87481477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320932802.0U Active CN219497693U (en) | 2023-04-24 | 2023-04-24 | Fixing device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219497693U (en) |
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2023
- 2023-04-24 CN CN202320932802.0U patent/CN219497693U/en active Active
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