CN211700053U - Energy storage spring assembly of circuit breaker - Google Patents
Energy storage spring assembly of circuit breaker Download PDFInfo
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- CN211700053U CN211700053U CN202020039154.2U CN202020039154U CN211700053U CN 211700053 U CN211700053 U CN 211700053U CN 202020039154 U CN202020039154 U CN 202020039154U CN 211700053 U CN211700053 U CN 211700053U
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- spring
- spring holder
- energy storage
- circuit breaker
- fixed plate
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Abstract
The application discloses circuit breaker energy storage spring assembly, including fixed plate, last spring holder, guide post, lower spring holder and energy storage spring, go up the spring holder and be connected with operating device's link assembly drive, guide post fixed connection is between last spring holder and lower spring holder, the energy storage spring suit is on the guide post, fixed plate fixed mounting is on the operating device of circuit breaker, the spring holder is connected with the fixed plate down to have mobilizable degree of freedom on the horizontal direction on the fixed plate, and be equipped with bellied rounding off arch in the vertical direction on the lower spring holder, rounding off arch and fixed plate looks butt, lower spring holder can roll on the fixed plate. The utility model discloses a circuit breaker energy storage spring assembly, lower spring holder can be at certain limit angle internal rotation.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, concretely relates to circuit breaker energy storage spring assembly.
Background
The operating mechanism is an important component in the frame circuit breaker, and one of the main functions of the operating mechanism is to drive the contact to be switched on by the elastic potential energy of the energy storage spring through the link mechanism. Because the requirement on the elastic potential energy required for driving the operating mechanism to act is high, the spring needs to be fixed to the operating mechanism by adopting the upper spring seat and the lower spring seat, and the guide rod is added for constraint. In the existing product, an energy storage spring is fixed to an operating mechanism through an upper spring seat, a lower spring seat and a fixing plate, and a shaft on the operating mechanism penetrates through an upper spring seat hole. When the operating mechanism is switched on, the elastic potential energy of the energy storage spring is released to push the upper spring seat to move upwards, and the shaft also rotates along with the upper spring seat to strike the connecting rod assembly of the operating mechanism, so that the product is switched on. In the spring energy storage process, due to the rotation of the operating mechanism, the upper spring seat not only moves up and down in the vertical direction, but also moves a small amount in the horizontal direction. Because the guide post inserts in the hole of spring holder down on the upper spring seat, lower spring holder and fixed plate laminate completely, the guide post will take place the card phenomenon dead with the hole of spring holder down easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a circuit breaker energy storage spring assembly that lower spring holder can be at certain limit angle internal rotation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a circuit breaker energy storage spring assembly, includes fixed plate, last spring holder, guide post, lower spring holder and energy storage spring, it is connected with operating device's link assembly drive to go up the spring holder, guide post fixed connection is between last spring holder and lower spring holder, energy storage spring suit is on the guide post, fixed plate fixed mounting is on the operating device of circuit breaker, the spring holder is connected with the fixed plate down to mobilizable degree of freedom has on the horizontal direction on the fixed plate, and is equipped with bellied rounding off in the vertical direction on the lower spring holder, rounding off is protruding and fixed plate looks butt, and lower spring holder can roll on the fixed plate.
Preferably, the spring holder is connected with the fixed plate in a buckling manner, a fixed block is arranged on the spring holder, a fixed groove matched with the fixed block is arranged on the fixed plate, the smooth bulge of the spring holder abuts against the outside of the fixed groove on the fixed plate in a tangent manner, and the fixed block of the spring holder is clamped into the fixed groove of the fixed plate and is in clearance fit with the fixed groove.
Preferably, the fixing plate is of a structure in a shape like a Chinese character 'ji', and comprises a U-shaped plate and two fixing lugs connected to two ends of the U-shaped plate, wherein an installation groove for installing the lower spring seat is formed in the U-shaped plate; the fixing lug of the fixing plate is connected and fixed on the operating mechanism side plate through a fixing screw, and screw holes matched with the fixing screw are formed in the fixing lug and the operating mechanism side plate.
Preferably, the lower spring seat is of an integrated structure and comprises a horizontal plate and two arc plates vertically connected to two ends of the horizontal plate, a cylindrical boss is arranged on the top surface of the horizontal plate, and a first limiting groove used for limiting the energy storage spring is formed between the cylindrical boss and the two arc plates.
Preferably, the cylindrical boss is a stepped boss and comprises a first boss and a second boss, the horizontal plate, the first boss and the second boss are sequentially stacked, and the outer diameter of the first boss is equal to the inner diameter of the energy storage spring and is larger than the outer diameter of the second boss.
Preferably, the guide post is connected with the upper spring seat in an integrated manner, the upper spring seat is of an integrally formed structure which is made of casting materials through processing in a casting process, and the guide post is integrally formed with the casting materials as an insert.
Preferably, the upper spring seat is in driving connection with a connecting rod assembly of the operating mechanism through a round shaft, an arc groove matched with the round shaft is formed in the top of the upper spring seat, and the round shaft is clamped into the arc groove of the upper spring seat.
Preferably, an oil storage tank is arranged in the arc groove.
Preferably, the circular arc groove has a cross section equal to or smaller than a semicircle.
Preferably, the bottom of going up the spring holder is equipped with the second spacing groove that is used for spacing energy storage spring, the second spacing groove is the step groove, including the first bayonet socket that is located the entry, with the second bayonet socket of first bayonet socket intercommunication, first bayonet socket and second bayonet socket all have with energy storage spring matched with circular arc lateral wall, just the internal diameter of first bayonet socket equals energy storage spring's external diameter, is greater than the internal diameter of second bayonet socket.
The utility model discloses a circuit breaker energy storage spring assembly is equipped with the bellied slick and sly arch in the vertical direction through lower spring holder for lower spring holder is installing on the fixed plate, and can effectively avoid taking place the dead phenomenon of card between guide post and the lower spring holder at certain limit angle internal rotation, improves energy storage spring assembly's reliability and life.
Drawings
Fig. 1 is a schematic structural diagram of the circuit breaker of the present invention;
FIG. 2 is a schematic structural view of the lower spring seat of the present invention;
fig. 3 is a schematic structural view of the fixing plate of the present invention;
FIG. 4 is a schematic structural view of the upper spring seat and the guide post of the present invention;
FIG. 5 is a front partial cross-sectional view of the upper spring seat and guide post of the present invention;
fig. 6 is a side sectional view of the upper spring seat and the guide post of the present invention.
Detailed Description
The following describes the embodiments of the energy storage spring assembly of the circuit breaker according to the present invention with reference to the embodiments shown in fig. 1 to 6. The utility model discloses a circuit breaker energy storage spring assembly is not limited to the description of following embodiment.
As shown in fig. 1, the utility model discloses a circuit breaker energy storage spring assembly, including fixed plate 5, last spring holder 1, guide post 2, lower spring holder 4 and energy storage spring 3, go up spring holder 1 and be connected with operating device's link assembly drive, 2 fixed connection of guide post are between last spring holder 1 and lower spring holder 4, and energy storage spring 3 suit is on guide post 2, connects between last spring holder 1 and lower spring holder 4. The fixed plate 5 is fixedly installed on an operating mechanism of the circuit breaker, the lower spring seat 4 is connected with the fixed plate 5, the fixed plate 5 is provided with a degree of freedom which can move in the horizontal direction, the lower spring seat 4 is provided with a smooth bulge 45 which is bulged in the vertical direction, the smooth bulge 45 is abutted to the fixed plate 5, and the lower spring seat 4 can roll on the fixed plate 5. The utility model discloses a circuit breaker energy storage spring assembly is equipped with the bellied slick and sly arch in the vertical direction through lower spring holder for lower spring holder is installing on the fixed plate, and can effectively avoid taking place the dead phenomenon of card between guide post and the lower spring holder at certain limit angle internal rotation, improves energy storage spring assembly's reliability and life.
As shown in fig. 3, the fixing plate 5 of the present invention is a n-shaped integral structure, and includes a U-shaped plate 51 and two fixing lugs 52 connected to two ends of the U-shaped plate 51, wherein the U-shaped plate 51 is internally provided with a mounting groove 50 for mounting the lower spring seat 4; the fixing lug 52 of the fixing plate 5 is connected and fixed on the operating mechanism side plate 7 through a fixing screw 8, and the fixing lug 52 and the operating mechanism side plate 7 are provided with screw holes 80 matched with the fixing screw 8. The fixing plate is simple and reliable in structure and convenient to install.
As shown in fig. 2, the utility model discloses a lower spring holder 4 is integrated into one piece's cast brass spare, including horizontal plate 41, connect two circular arc boards 42 at horizontal plate 41 both ends perpendicularly, be equipped with the cylinder boss on the top surface of horizontal plate 41, form the first spacing groove 40 that is used for spacing energy storage spring 3 between cylinder boss and two circular arc boards 42. Specifically, lower spring holder 4 is connected with the buckle formula between fixed plate 5 down, be equipped with fixed block 46 on the horizontal plate 41 bottom surface of lower spring holder 4, be equipped with on the mounting groove 50 diapire of fixed plate 5 with fixed block 46 complex fixed slot 53, rounding off protruding 45 sets up on the horizontal plate 41 bottom surface of lower spring holder 4, rounding off protruding 45 tangent butt is on the mounting groove 50 diapire of fixed plate 5 and is located outside fixed slot 53, fixed block 46 card of lower spring holder 4 is gone into in the fixed slot 53 of fixed plate 5, and with fixed slot 53 clearance fit, fixed block 46 is the square block body, fixed slot 53 is the square groove, the degree of depth looks adaptation of fixed block 46 and fixed slot 53, the size of fixed block 46 is less than the size of fixed slot 53, make there is the clearance between the lateral wall with fixed slot 53 in. The upper spring seat not only moves up and down in the vertical direction to compress the spring, but also moves a little in the horizontal direction, and the horizontal movement of the upper spring seat drives the lower spring seat to rotate through the guide column and the spring, namely, the lower spring seat can rotate within a certain range of angle. The fixed block 46 is in clearance fit with the fixed groove 53, the structure is simple, the lower spring seat can roll on the fixed plate conveniently, and the guide column and the lower spring seat are not blocked. The cylindrical boss is a stepped boss and comprises a first boss 43 and a second boss 44 which are integrally connected, the horizontal plate 41, the first boss 43 and the second boss 44 are sequentially stacked, and the outer diameter of the first boss 43 is equal to the inner diameter of the energy storage spring 3 and is larger than the outer diameter of the second boss 44. One end of the energy storage spring 3 is positioned in the first limit groove 40 of the energy storage spring 3 and sleeved on the first boss 43, and the end part of the energy storage spring is abutted against the top surface of the horizontal plate 41. The lower spring seat is more firmly and reliably connected with the energy storage spring, and interference to the energy storage spring can not be caused.
In addition, the cylindrical boss of the lower spring seat 4 and the bottom wall of the U-shaped plate 51 of the fixed plate 5 are provided with guide post holes 20 matched with the guide posts 2, the guide post holes 20 penetrate through the lower spring seat 4 and the fixed plate 5, and one ends of the guide posts 2 are inserted into the guide post holes 20 of the lower spring seat 4 and the fixed plate 5. The bottom surface of the horizontal plate 41 is provided with two fixed blocks 46 and two smooth protrusions 45, the two smooth protrusions 45 are positioned at two sides of the guide post hole 20, one fixed block 46 is positioned between the guide post hole 20 and one smooth protrusion 45, and the other fixed block 46 is positioned between the guide post hole 20 and the other smooth protrusion 45; the number of the fixing grooves 53 on the fixing plate 5 is also two, and the two fixing grooves 53 are provided on the bottom wall of the U-shaped plate 51 of the fixing plate 5 corresponding to the two fixing blocks 46.
As shown in fig. 1 and fig. 4-6, the upper spring seat 1 is in driving connection with a connecting rod assembly of an operating mechanism through a circular shaft 6, an arc groove 11 matched with the circular shaft 6 is formed in the top of the upper spring seat 1, and the circular shaft 6 is clamped into the arc groove 11 of the upper spring seat 1. The section of the arc groove 11 is non-full circle, and the upper spring seat 1 can rotate around the circular shaft 6 within a certain angle range. Make things convenient for the dismouting on the one hand, can need not unpack apart the change that the mechanism just can realize going up the spring holder, when going up spring holder 1 and need changing, only need demolish fixed plate 5, lower spring holder 4 and energy storage spring 3 and can realize, on the other hand also can observe the condition of being connected of going up spring holder 1 and round axle 6 directly perceivedly. Preferably, the circular arc groove 11 has a cross section equal to or smaller than a semicircle. An oil storage tank 110 is arranged in the circular arc groove 11. Lubricating oil can be stored to increase the rotation flexibility of the parts.
And, the bottom of going up spring holder 1 is equipped with second spacing groove 12 that is used for spacing energy storage spring 3, and second spacing groove 12 is the step groove, including the first bayonet socket 121 that is located the entry, with the second bayonet socket 122 of first bayonet socket 121 intercommunication, first bayonet socket 121 and second bayonet socket 122 all have with energy storage spring 3 matched with circular arc lateral wall, and the internal diameter of first bayonet socket 121 equals energy storage spring 3's external diameter, is greater than the internal diameter of second bayonet socket 122. The upper spring seat is more reliable in limiting the energy storage spring.
As shown in fig. 1 and fig. 4 to 6, the guide post 2 is integrally connected to the upper spring seat 1 and located in the second limiting groove 12 of the upper spring seat 1, the energy storage spring 3 is sleeved on the guide post 2, one end of the energy storage spring 3 is limited in the first limiting groove 40 of the lower spring seat 4, and the other end is limited in the second limiting groove 12 of the upper spring seat 1. The guide post 2 is connected with the upper spring seat 1 integrally, the upper spring seat 1 is of an integrally formed structure which is made of casting materials and processed by adopting a casting process (such as cast aluminum), and the guide post 2 is integrally formed with the casting materials as an insert. The upper spring seat is integrally formed by adopting a casting process, the guide column is embedded as an insert, secondary processing is not needed, the processing technology is simplified, the cost is saved, the production efficiency is improved, and the structure is firmer and more reliable.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A circuit breaker energy storage spring assembly characterized in that: including fixed plate (5), last spring holder (1), guide post (2), lower spring holder (4) and energy storage spring (3), go up spring holder (1) and operating device's link assembly drive connection, guide post (2) fixed connection is between last spring holder (1) and lower spring holder (4), energy storage spring (3) suit is on guide post (2), fixed plate (5) fixed mounting is on the operating device of circuit breaker, lower spring holder (4) are connected with fixed plate (5) to have mobilizable degree of freedom in the horizontal direction on fixed plate (5), and be equipped with bellied rounding off and rounding off (45) in the vertical direction on lower spring holder (4), rounding off (45) and fixed plate (5) looks butt, lower spring holder (4) can roll on fixed plate (5).
2. The circuit breaker stored energy spring assembly of claim 1, wherein: buckle formula is connected between lower spring holder (4) and fixed plate (5), be equipped with fixed block (46) on spring holder (4) down, be equipped with on fixed plate (5) with fixed block (46) complex fixed slot (53), the tangent butt of rounding off protruding (45) of spring holder (4) is outside fixed slot (53) on fixed plate (5) down, and fixed block (46) card of lower spring holder (4) is gone into in fixed slot (53) of fixed plate (5) to with fixed slot (53) clearance fit.
3. The circuit breaker stored energy spring assembly of claim 1, wherein: the fixing plate (5) is of a structure in a shape like a Chinese character 'ji', and comprises a U-shaped plate (51) and two fixing lugs (52) connected to two ends of the U-shaped plate (51), wherein a mounting groove (50) for mounting the lower spring seat (4) is formed in the U-shaped plate (51); the fixing lug (52) of the fixing plate (5) is connected and fixed on the operating mechanism side plate (7) through a fixing screw (8), and screw holes (80) matched with the fixing screw (8) are formed in the fixing lug (52) and the operating mechanism side plate (7).
4. A circuit breaker stored energy spring assembly as claimed in any one of claims 1 to 3, wherein: lower spring holder (4) are one-piece type structure, including horizontal plate (41), connect two circular arc boards (42) at horizontal plate (41) both ends perpendicularly, be equipped with the cylinder boss on the top surface of horizontal plate (41), form first spacing groove (40) that are used for spacing energy storage spring (3) between cylinder boss and two circular arc boards (42).
5. The circuit breaker stored energy spring assembly of claim 4, wherein: the cylindrical boss is a stepped boss and comprises a first boss (43) and a second boss (44), the horizontal plate (41), the first boss (43) and the second boss (44) are sequentially stacked, and the outer diameter of the first boss (43) is equal to the inner diameter of the energy storage spring (3) and is larger than the outer diameter of the second boss (44).
6. The circuit breaker stored energy spring assembly of claim 1, wherein: the guide post (2) is integrally connected with the upper spring seat (1), the upper spring seat (1) is of an integrally formed structure which is made of casting materials through casting processing, and the guide post (2) is integrally formed with the casting materials as an insert.
7. The circuit breaker stored energy spring assembly of claim 1, wherein: go up spring holder (1) and be connected through circle axle (6) and operating device's link assembly drive, the top of going up spring holder (1) is equipped with circular arc recess (11) with circle axle (6) matched with, circle axle (6) card is gone into in circular arc recess (11) of spring holder (1).
8. The circuit breaker stored energy spring assembly of claim 7, wherein: an oil storage tank (110) is arranged in the arc groove (11).
9. The circuit breaker stored energy spring assembly of claim 7, wherein: the section of the arc groove (11) is equal to or smaller than a semicircle.
10. The circuit breaker stored energy spring assembly of claim 1, wherein: go up the bottom of spring holder (1) and be equipped with second spacing groove (12) that are used for spacing energy storage spring (3), second spacing groove (12) are the step groove, including first bayonet socket (121) that are located the entry, second bayonet socket (122) with first bayonet socket (121) intercommunication, first bayonet socket (121) and second bayonet socket (122) all have with energy storage spring (3) matched with circular arc lateral wall, just the internal diameter of first bayonet socket (121) equals the external diameter of energy storage spring (3), is greater than the internal diameter of second bayonet socket (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039154.2U CN211700053U (en) | 2020-01-08 | 2020-01-08 | Energy storage spring assembly of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039154.2U CN211700053U (en) | 2020-01-08 | 2020-01-08 | Energy storage spring assembly of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211700053U true CN211700053U (en) | 2020-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020039154.2U Active CN211700053U (en) | 2020-01-08 | 2020-01-08 | Energy storage spring assembly of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211700053U (en) |
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2020
- 2020-01-08 CN CN202020039154.2U patent/CN211700053U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG CHINT ELECTRICS Co.,Ltd. Assignor: Shanghai Chint Intelligent Technology Co.,Ltd. Contract record no.: X2021330000591 Denomination of utility model: Circuit breaker energy storage spring assembly Granted publication date: 20201016 License type: Common License Record date: 20211025 |
|
| EE01 | Entry into force of recordation of patent licensing contract |