CN211016958U - Universal circuit breaker static contact assembly - Google Patents
Universal circuit breaker static contact assembly Download PDFInfo
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- CN211016958U CN211016958U CN202020070360.XU CN202020070360U CN211016958U CN 211016958 U CN211016958 U CN 211016958U CN 202020070360 U CN202020070360 U CN 202020070360U CN 211016958 U CN211016958 U CN 211016958U
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- buffer
- plate
- switch
- groove
- bottom plate
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Abstract
The utility model discloses a static contact component of a universal circuit breaker, which comprises a base and a contact frame; the top of the base is provided with a groove with an upward opening, and the bottom surface of the groove of the base is provided with a buffer slide rail assembly; the contact frame is installed in the groove through a buffer sliding rail assembly. The static contact in the universal circuit breaker can be quickly disassembled and assembled, and time and labor are saved.
Description
Technical Field
The utility model relates to an omnipotent circuit breaker structural design technical field, especially a omnipotent circuit breaker stationary contact subassembly.
Background
The universal circuit breaker is also called frame type circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and can also connect, bear and break the current for a certain time under the specified abnormal circuit condition. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc.
The existing movable and static contacts of the universal circuit breaker cause structural damage due to large impact force generated in the switching-on process, or cause damage due to factors such as long-term large current and contact aging, and are frequently required to be disassembled, maintained or replaced, the traditional disassembling and assembling mode is time-consuming and too many and is very inconvenient.
Therefore, it is desirable to provide an improved way of adding a quick-release mounting structure to a static contact of a universal circuit breaker.
SUMMERY OF THE UTILITY MODEL
Various not enough to exist among the prior art, the utility model aims at providing an omnipotent circuit breaker stationary contact subassembly can effectual solution problem among the background.
The utility model discloses a static contact component of an universal circuit breaker, which comprises a base and a contact frame; the top of the base is provided with a groove with an upward opening, and the bottom surface of the groove of the base is provided with a buffer slide rail assembly; the contact frame is installed in the groove through a buffer sliding rail assembly. The buffering slide rail assembly can buffer the static contact and can be used for more conveniently disassembling and assembling the contact rack.
Preferably, the buffer slide rail assembly comprises a buffer bottom plate and a buckling switch assembly; the left end and the right end of the bottom surface of the groove are respectively provided with a buffer hole; the bottom surfaces of the left end and the right end of the buffer bottom plate are respectively provided with a buffer column at the position corresponding to the buffer hole, the buffer bottom plate is arranged in the groove in a vertically sliding manner through the insertion fit of the buffer columns and the buffer holes, and the buffer columns are elastically connected with the bottom surfaces of the buffer holes by springs; and an elastic component is arranged between the buffer bottom plate and the bottom surface of the groove and is fixedly connected with the bottom surface of the groove. The buffering post and the buffering hole are used for limiting the buffering bottom plate in the left and right directions, and meanwhile, the buffering bottom plate can be buffered, the main buffering is from an elastic component, the elastic interval of the elastic component is small, and the stability is high during closing.
Preferably, the top of the buffer bottom plate is provided with a cover plate, and the left end edge of the cover plate is fixedly connected with the left end edge of the buffer bottom plate, so that a track cavity with a right opening is formed between the buffer bottom plate and the cover plate; the transverse length of the covering plate is not more than eighty percent of the transverse length of the buffer bottom plate, a long notch extending leftwards is formed in the edge of the right end of the covering plate, and the transverse length of the long notch is not more than eighty percent of the transverse length of the covering plate. The terrace that the buffer bottom plate left is convenient for the contact frame to the pressing of elasticity spacing head (see below) among the buckle switch subassembly when pegging graft, otherwise inconvenient inserts.
Preferably, the contact holder comprises a lower plate and an upper plate; the right end edge of the lower layer plate is fixedly connected with the right end edge of the upper layer plate, so that a sliding connection groove with a leftward opening is formed between the lower layer plate and the upper layer plate; a connecting rib is arranged between the lower layer plate and the upper layer plate and corresponds to the position of the long notch, and the transverse length of the connecting rib is not more than that of the long notch; the contact head frame is arranged on the buffer bottom plate in a mode that the lower plate is inserted into the track cavity, and meanwhile, the covering plate is inserted into the sliding connection groove in a compliant mode; and the top surface of the upper plate is provided with a static contact. The double-insertion mode enables the contact frame to be installed on the buffer bottom plate more stably.
Preferably, the buckle switch assembly comprises a first switch, a second switch and an elastic limiting head; inclined planes are arranged at the left end of the first switch and the bottom end of the second switch; a control cavity is arranged at the left end in the buffer bottom plate, a switch hole is formed in the left side wall of the control cavity, and a limiting hole is formed in the right end of the top surface of the control cavity; the first switch is arranged in the control cavity in a left-right sliding mode through the switch hole and is elastically connected with the inner wall of the control cavity; the second switch is arranged in the control cavity in a vertically sliding manner through the limiting hole and is elastically connected with the inner wall of the limiting hole; the elastic limiting head corresponds to the limiting hole and is arranged at the left end of the bottom surface of the lower plate. When the device is installed, only the lower layer plate is inserted into the track cavity, and when the elastic limiting head reaches the position of the limiting hole, the lower layer plate is automatically inserted into the limiting hole, so that the contact frame is limited left and right; when the elastic limiting head is detached, the first switch is pressed down, the first switch pushes the second switch to the top through the inclined plane, the second switch pushes the elastic limiting head to be limited by the limiting hole, and finally the contact frame is pulled out.
The utility model has the advantages that: the static contact in the universal circuit breaker can be quickly disassembled and assembled through the arranged buffer slide rail assembly and the contact frame, so that time and labor are saved; meanwhile, the contact frame can be buffered, and impact force during closing is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the base and the buffering slide rail assembly of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of a contact carrier structure;
FIG. 5 is a partial cross-sectional view of B-B of FIG. 4;
FIG. 6 is a left side view of FIG. 4;
fig. 7 is a partially enlarged view of a in fig. 1.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 7, one embodiment of the present invention provides a static contact assembly of a universal circuit breaker, which includes a base 1 and a contact holder; the top of the base 1 is provided with a groove with an upward opening, and the bottom surface of the groove of the base 1 is provided with a buffer slide rail assembly; the contact frame is installed in the groove through a buffer sliding rail assembly. The buffering slide rail assembly can buffer the static contact 5 and can be used for more conveniently disassembling and assembling the contact rack.
As a specific embodiment, the buffer slide rail assembly comprises a buffer bottom plate 31 and a buckling switch assembly; the left end and the right end of the bottom surface of the groove are respectively provided with a buffer hole; the bottom surfaces of the left end and the right end of the buffer bottom plate 31 are respectively provided with a buffer column 311 at the position corresponding to the buffer hole, the buffer bottom plate 31 is arranged in the groove in a manner of being capable of sliding up and down through the insertion and matching of the buffer column 311 and the buffer hole, and the buffer column 311 is elastically connected with the bottom surface of the buffer hole through a spring; an elastic component 4 is arranged between the buffer bottom plate 31 and the bottom surface of the groove, and the elastic component 4 is fixedly connected with the bottom surface of the groove. The buffer column 311 and the buffer hole limit the buffer bottom plate 31 left and right, and simultaneously buffer the buffer bottom plate 31, the main buffer is from the elastic component 4, the elastic interval of the elastic component 4 is small, the stability is high when the switch is switched on, the elastic component 4 can be a spiral spring or a spring piece.
As a specific embodiment, a cover plate 312 is disposed on the top of the buffer bottom plate 31, and the left end edge of the cover plate 312 is fixedly connected with the left end edge of the buffer bottom plate 31, so that a rail cavity with a right opening is formed between the buffer bottom plate 31 and the cover plate 312; the transverse length of the covering plate 312 is not more than eighty percent of the transverse length of the buffer bottom plate 31, and a long notch extending leftwards is formed at the right end edge of the covering plate 312, and the transverse length of the long notch is not more than eighty percent of the transverse length of the covering plate 312. The terrace left by the buffer bottom plate 31 is convenient for the contact frame to press an elastic limiting head 323 (see below) in the buckling switch component when the contact frame is plugged, otherwise, the contact frame is inconvenient to insert.
As a specific embodiment, the contact carrier comprises a lower plate 21 and an upper plate 22; the right end edge of the lower layer plate 21 is fixedly connected with the right end edge of the upper layer plate 22, so that a sliding connection groove with a leftward opening is formed between the lower layer plate 21 and the upper layer plate 22; a connecting rib 23 is arranged between the lower plate and the upper plate 22 corresponding to the long notch, and the transverse length of the connecting rib 23 is not more than that of the long notch; the contact frame is mounted on the buffer bottom plate 31 by inserting the lower plate 21 into the track cavity, and meanwhile, the cover plate 312 is inserted into the sliding connection groove in a compliant manner; the top surface of the upper plate 22 is provided with a static contact 5. The double insertion mode enables the contact frame to be installed on the buffer bottom plate 31 more stably.
As a specific embodiment, the buckle switch assembly includes a first switch 321, a second switch 322, and an elastic stopper 323; the left end of the first switch 321 and the bottom end of the second switch are both provided with an inclined plane; a control cavity is arranged at the left end in the buffer bottom plate 31, a switch hole is formed in the left side wall of the control cavity, and a limit hole is formed in the right end of the top surface of the control cavity; the first switch 321 is arranged in the control cavity in a left-right sliding manner through the switch hole and is elastically connected with the inner wall of the control cavity; the second switch 322 is arranged in the control cavity in a vertically sliding manner through the limiting hole and is elastically connected with the inner wall of the limiting hole; the elastic limiting head 323 corresponds to the limiting hole and is arranged at the left end of the bottom surface of the lower layer plate 21. When the device is installed, only the lower plate 21 is inserted into the track cavity, and when the elastic limiting head 323 reaches the position of the limiting hole, the device can be automatically inserted into the limiting hole, so that the contact frame is limited left and right; when the contact rack is detached, the first switch 321 is pressed, the first switch 321 pushes the second switch 322 up through the inclined surface, the elastic limiting head 323 is pushed up by the second switch 322, the limitation of the limiting hole on the elastic limiting head 323 is eliminated, and finally the contact rack is pulled out.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (4)
1. The utility model provides a universal circuit breaker fixed contact subassembly which characterized in that: comprises a base (1) and a contact frame; the top of the base (1) is provided with a groove with an upward opening, and the bottom surface of the groove of the base (1) is provided with a buffer sliding rail assembly; the contact head frame is arranged in the groove through a buffer sliding rail assembly;
the buffer slide rail component comprises a buffer bottom plate (31) and a buckling switch component; the left end and the right end of the bottom surface of the groove are respectively provided with a buffer hole; the bottom surfaces of the left end and the right end of the buffer bottom plate (31) are respectively provided with a buffer column (311) at the position corresponding to the buffer hole, the buffer bottom plate (31) is arranged in the groove in a manner of being capable of sliding up and down through the insertion matching of the buffer column (311) and the buffer hole, and the buffer column (311) is elastically connected with the bottom surface of the buffer hole through a spring; an elastic component (4) is arranged between the buffer bottom plate (31) and the bottom surface of the groove, and the elastic component (4) is fixedly connected with the bottom surface of the groove.
2. The static contact assembly of a universal circuit breaker as claimed in claim 1, wherein: a cover plate (312) is arranged at the top of the buffer bottom plate (31), and the left end edge of the cover plate (312) is fixedly connected with the left end edge of the buffer bottom plate (31), so that a track cavity with a right opening is formed between the buffer bottom plate (31) and the cover plate (312); the transverse length of the covering plate (312) is not more than eighty percent of the transverse length of the buffer bottom plate (31), a long notch extending leftwards is formed in the edge of the right end of the covering plate (312), and the transverse length of the long notch is not more than eighty percent of the transverse length of the covering plate (312).
3. The static contact assembly of a universal circuit breaker as claimed in claim 2, wherein: the contact frame comprises a lower plate (21) and an upper plate (22); the right end edge of the lower layer plate (21) is fixedly connected with the right end edge of the upper layer plate (22), so that a sliding connection groove with a leftward opening is formed between the lower layer plate (21) and the upper layer plate (22); a connecting rib (23) is arranged between the lower plate (21) and the upper plate (22) and corresponds to the position of the long notch, and the transverse length of the connecting rib (23) is not more than that of the long notch; the contact frame is arranged on the buffer bottom plate (31) in a mode that the lower plate (21) is inserted into the track cavity, and meanwhile, the cover plate (312) is inserted into the sliding connection groove in a compliant mode; and a static contact (5) is arranged on the top surface of the upper plate (22).
4. The static contact assembly of a universal circuit breaker as claimed in claim 3, wherein: the buckling switch assembly comprises a first switch (321), a second switch (322) and an elastic limiting head (323); the left end of the first switch (321) and the bottom end of the second switch are both provided with an inclined plane; a control cavity is arranged at the left end in the buffer bottom plate (31), a switch hole is formed in the left side wall of the control cavity, and a limiting hole is formed in the right end of the top surface of the control cavity; the first switch (321) is arranged in the control cavity in a left-right sliding manner through the switch hole and is elastically connected with the inner wall of the control cavity; the second switch (322) is arranged in the control cavity in a vertically sliding manner through the limiting hole and is elastically connected with the inner wall of the limiting hole; the elastic limiting head (323) is arranged at the left end of the bottom surface of the lower layer plate (21) corresponding to the position of the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020070360.XU CN211016958U (en) | 2020-01-14 | 2020-01-14 | Universal circuit breaker static contact assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020070360.XU CN211016958U (en) | 2020-01-14 | 2020-01-14 | Universal circuit breaker static contact assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211016958U true CN211016958U (en) | 2020-07-14 |
Family
ID=71478086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020070360.XU Active CN211016958U (en) | 2020-01-14 | 2020-01-14 | Universal circuit breaker static contact assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211016958U (en) |
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2020
- 2020-01-14 CN CN202020070360.XU patent/CN211016958U/en active Active
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