CN112151323A - Wiring device applied to circuit breaker - Google Patents
Wiring device applied to circuit breaker Download PDFInfo
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- CN112151323A CN112151323A CN202011219862.5A CN202011219862A CN112151323A CN 112151323 A CN112151323 A CN 112151323A CN 202011219862 A CN202011219862 A CN 202011219862A CN 112151323 A CN112151323 A CN 112151323A
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- plate
- wiring device
- circuit breaker
- notch
- shell frame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
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Abstract
The invention discloses a wiring device applied to a circuit breaker, which comprises: the shell frame comprises a pair of longitudinal side plates parallel to each other and a pair of transverse side plates parallel to each other, the longitudinal side plates and the transverse side plates are enclosed together to form a frame-shaped structure, one longitudinal side plate is provided with a threading opening, and an electric wire can be threaded into the shell frame from the threading opening; the electric connecting piece comprises a contact head positioned in the shell frame, a connecting part fixed at the outer end of the contact head and penetrating through the other longitudinal side plate, and an electric connecting piece fixed at the outer end of the connecting part; and the screw is connected to one transverse side plate in a threaded fit mode, and the inner end of the screw extends into the shell frame. The invention can ensure the quick installation and fixation of the electric wire on the wiring device and can prevent the defect of loose wire ends.
Description
Technical Field
The invention relates to the technical field of power distribution, in particular to a wiring device applied to a circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. A conventional circuit breaker generally includes a housing, terminals at two ends of the housing, and a contact set, an overload protection bimetal, a trip, an arc extinguishing system, an operating mechanism, etc. located inside the housing. The two binding posts at the two ends of the connecting device are respectively used for connecting two lines, and the opening and closing control of the lines is formed through the circuit breaker in the middle.
However, the existing binding post generally only uses a transverse screw to extrude and fix the wire end inserted into the binding post, and the simple extrusion fixing mode is easy to cause the risk that the wire end is loosened and even falls off; therefore, the operator must tighten the screw with a greater force to provide a higher pressing force and anti-separation friction force. However, the process cannot completely eliminate the risk of loosening the wire end, and the operation is time-consuming and labor-consuming, the screwdriver is damaged, and even the internal structure of the circuit breaker is easily damaged due to misoperation.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the problems occurring in the prior art.
Accordingly, an object of the present invention is to provide a wiring device applied to a circuit breaker, which includes: the shell frame comprises a pair of longitudinal side plates parallel to each other and a pair of transverse side plates parallel to each other, the longitudinal side plates and the transverse side plates are enclosed together to form a frame-shaped structure, one longitudinal side plate is provided with a threading opening, and an electric wire can be threaded into the shell frame from the threading opening; the electric connecting piece comprises a contact head positioned in the shell frame, a connecting part fixed at the outer end of the contact head and penetrating through the other longitudinal side plate, and an electric connecting piece fixed at the outer end of the connecting part; and the screw is connected to one transverse side plate in a threaded fit mode, and the inner end of the screw extends into the shell frame.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: the longitudinal side plates comprise a first longitudinal plate and a second longitudinal plate which are parallel to each other; the transverse side plates comprise a first transverse plate and a second transverse plate which are parallel to each other; the first longitudinal plate, the first transverse plate, the second longitudinal plate and the second transverse plate are sequentially connected and jointly enclosed to form a frame-shaped structure; the threading mouth set up in on the first vertical board, the joint portion passes the second vertical board, screwed connection is in on the first diaphragm.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: a clamping groove corresponding to the joint part is formed in the longitudinal side plate; the electric connecting piece is embedded into the clamping groove through the connecting part.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: the contact head is provided with a notch facing the threading opening; the electric wire can extend into the edge of the notch after penetrating into the shell frame from the threading opening and is reversely bent under the guidance of the notch profile to form a bending section; the screw can extrude the inner end of the electric wire to enable the inner end to be close to the bending section and to generate convex deformation at the turning part of the bending section and the bending section, and the contact head is pressed on the inner side wall of the shell frame by utilizing the deformed turning part.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: and a curve limiting groove consistent with the profile trend of the notch is arranged on the inner side wall of the notch.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: the wiring device further comprises a force transmission piece which is arranged inside the shell frame in a sliding mode, and the sliding direction of the force transmission piece is perpendicular to the direction of the notch; the screw can push the force transmission piece inwards, and the wire penetrating into the shell frame is extruded through the force transmission piece.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: the width of the contact head is larger than that of the connecting part, the contact head is divided into a first edge block and a second edge block which are positioned on two sides of the notch by the notch, and the first edge block is closer to the screw relative to the second edge block.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: the wiring device also comprises a limiting piece arranged opposite to the electric connection piece; the limiting piece is positioned at one corner in the shell frame and comprises a first overhanging plate extending to a position between the second edge block and the transverse side plate interlayer and a second overhanging plate extending to a position between the inner end of the electric wire and the bending section of the electric wire; one side of the second outer extending plate corresponding to the bending section is provided with a step surface opposite to the end head of the bending section.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: the force transmission piece comprises a force bearing part and an extrusion block fixed on the inner side of the force bearing part; a compression groove opposite to the inner end of the screw is formed in the center of the stress part, a pair of accommodating grooves are symmetrically formed in two sides of the compression groove, a tension spring is fixed in each accommodating groove, and the other end of each tension spring is fixed on the inner side wall of the shell frame; the extrusion block is opposite to the second external extension plate, the tail end of the extrusion block is provided with a flexible convex tooth, and the tail end of the flexible convex tooth faces to the notch of the contact head.
As a preferable aspect of the wiring device applied to the circuit breaker of the present invention, wherein: the inner side edge of the stress part is provided with a pressing surface facing the first edge block; when the extrusion block extrudes the inner end of the electric wire penetrating into the shell frame and the deformed turning part presses the contact head, the extrusion surface can be contacted with the first edge block.
The invention has the beneficial effects that: the invention can ensure that the end of the electric wire can be quickly and stably installed on the wiring device, and simultaneously can ensure that all parts in the wiring device can be mutually restrained to form mutual limit, so as to jointly form a stable structural system, thereby ensuring that the electric wire is tightly fixed and cannot be loosened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall configuration diagram of a wiring connection device.
Fig. 2 is an exploded view of the wiring device.
Fig. 3 is an internal configuration diagram of the wiring device.
Fig. 4 is a diagram of the dynamic variation of the wiring device to wire fixing process.
Fig. 5 is a schematic view of the dynamic variation of the flap-bending cover.
Fig. 6 is a structural view of the stopper.
Fig. 7 is a sectional view of the pressing state of the limiting member to the bending section and a partial detail view thereof.
Fig. 8 is a schematic diagram illustrating the dynamic variation of the principle of pressing the bending section by the limiting member.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Referring to fig. 1 to 5, an embodiment of the present invention provides a wiring device applied to a circuit breaker, which can conveniently and quickly connect an external wire X and improve field operation efficiency.
The wiring device includes a housing frame 100, an electric connection member 200, and a screw 300.
The case frame 100 includes a pair of longitudinal side plates 101 parallel to each other and a pair of lateral side plates 102 parallel to each other. Wherein, the longitudinal side plate 101 comprises a first longitudinal plate 101a and a second longitudinal plate 101b which are parallel to each other; the lateral side plates 102 include a first lateral plate 102a and a second lateral plate 102b that are parallel to each other; the first vertical plate 101a, the first horizontal plate 102a, the second vertical plate 101b and the second horizontal plate 102b are sequentially connected to form a frame structure.
The first vertical plate 101a is provided with a through hole 103 which is through inside and outside, and a wire X to be connected can be inserted into the housing frame 100 from the through hole 103.
The electric connection member 200 is used for connecting an external electric wire X to a protection circuit inside the circuit breaker to which the electric wire X is applied (internal protection circuit components such as a bimetal, a contact group, a short-circuit protection electromagnetic trip, an arc extinguishing system, etc. inside the circuit breaker can be communicated by the outer end of the electric connection member 200). Specifically, the electric connecting part 200 of the present invention includes a contact 201 located inside the housing frame 100, an engaging portion 202 fixed to an outer end of the contact 201 and penetrating through the second vertical plate 101b, and an electric connecting piece 203 fixed to an outer end of the engaging portion 202.
The contact 201 is used for directly electrically connecting with the electric wire X penetrating into the housing frame 100; the electric connecting piece 203 is used for directly connecting a protection circuit inside the circuit breaker and can be arranged into a straight plate-shaped or bent structure; the engaging portion 202 is a block-shaped structure integrally formed between the contact 201 and the electric contact 203.
Preferably, the second vertical plate 101b is provided with a card slot 104 corresponding to the connecting portion 202; the electric connecting piece 200 is embedded into the card slot 104 through the matching part 202.
The screw 300 is connected to the first horizontal plate 102a through screw fitting, and the first horizontal plate 102a is provided with a screw hole for fitting with the screw 300. The inner end of the screw 300 extends to the inside of the housing frame 100 and can press the electric wire X penetrating into the housing frame 100 to fix the wiring.
Further, the contact 201 is provided with a notch 201a facing the threading opening 103, and the inner side wall of the notch 201a is a smoothly curved arc-shaped contour.
The electric wire X can be inserted into the notch 201a after penetrating into the housing frame 100 from the threading opening 103, and the end of the electric wire X can contact the edge position of the notch 201 a; because the inner side wall of the notch 201a is a smoothly curved arc-shaped contour, the end head of the wire X which continuously extends into the notch 201a can be reversely curved under the guidance of the contour of the notch 201a to form a bending section X-1; then, the screw 300 is rotated by external force to extrude the inner end of the wire X from the side direction, so that the inner end of the wire X is gradually close to the bending section X-1 and is convexly deformed at the turning position X-2 of the bending section and the bending section; finally, the contact 201 is pressed outwards by the turning part X-2 after the outward convex deformation, and the contact 201 is tightly pressed on the inner side wall of the second longitudinal plate 101b, so that the stable installation of each mechanism and the tight circuit contact are realized.
Because the fixing mode of the X end of the electric wire is not simple lateral extrusion fixing, but the electric wire is reversely bent and deformed by using the hardness and plasticity of the electric wire to form the turning part X-2 which is convex outwards and is enlarged, the screw 300 can fix the X end of the electric wire with the limiting function of the turning part X-2, and the electric wire is prevented from loosening and falling off. Meanwhile, the convex turning part X-2 can reversely press the contact 201, so that the structural stability and installation of the electric connection part 200 are realized.
Preferably, the inner side wall of the notch 201a is provided with a curved limiting groove 201b which is consistent with the contour of the notch 201a, facilitates the guiding and deformation of the end of the wire X in the notch 201a, and has a lateral limiting operation on the wire X, so as to prevent the wire X from laterally slipping and deviating.
Further, the wiring device of the present invention further includes a force transmission member 400 slidably disposed inside the housing frame 100, and a sliding direction of the force transmission member 400 is perpendicular to an orientation of the notch 201a (corresponding to a length direction of the longitudinal side plate 101). The screw 300 can push the force transmission member 400 inwards and generate extrusion to the electric wire X penetrating into the shell frame 100 through the force transmission member 400
Further, the width of the contact 201 is larger than that of the engagement portion 202. The contact 201 is structurally divided by the notch 201a into a first edge block 201c and a second edge block 201d located on both sides of the notch 201a, the first edge block 201c is closer to the screw 300 than the second edge block 201d (the first edge block 201c is closer to the first horizontal plate 102a, and the second edge block 201d is closer to the second horizontal plate 102 b).
The wiring device of the present invention further includes a stopper 500 disposed opposite to the electric connection member 200 in a lateral direction.
The limiting member 500 is located at an included angle between the first vertical plate 101a and the second horizontal plate 102b, and one end of the limiting member 500 is flush with the edge of the threading opening 103. The limiting member 500 further comprises a first extending plate 501 and a second extending plate 502; the first extending plate 501 extends to the space between the second edge block 201d and the second horizontal plate 102 b; the second overhang plate 502 extends into the recess 201a and is located between the inner end of the wire X and the bent segment X-1 thereof. In addition, one side of the second outer extension plate 502 corresponding to the bending section X-1 is provided with a step surface 503 opposite to the end of the bending section X-1.
When the wire X extends into the notch 201a, the wire X can be reversely bent in the early stage under the guidance of the profile of the notch 201a to form a bent section X-1 (the bent section X-1 penetrates between the second overhang plate 502 and the interlayer of the second edge block 201 d); in the later stage, the bending section X-1 can reversely extend backwards under the limitation of the second external extension plate 502 until the end head of the bending section X abuts against the step surface 503, so that the wire X cannot be pushed continuously; the inner end of the wire X may then be pressed by the force-transmitting member 400.
Further, the force-transmitting member 400 includes a force-receiving portion 401 and an extruding block 402 integrally formed inside the force-receiving portion 401.
A pressure groove 401a opposite to the inner end of the screw 300 is arranged at the center of the outer side of the pressure part 401, a pair of accommodating grooves 401b are symmetrically arranged at two sides of the pressure groove 401a, a tension spring 600 is respectively fixed in the accommodating grooves 401b, and the other end of the tension spring 600 is fixed on the inner side wall of the first transverse plate 102 a; the force receiving portion 401 has a tendency to be pulled close to the first cross plate 102a by the two tension springs 600, and the inner end of the screw 300 is embedded in the pressure receiving groove 401a, so that the force receiving portion 401 is pushed.
The extrusion block 402 faces the second overhang plate 502, and the tail end of the extrusion block is provided with flexible convex teeth 402a, wherein the flexible convex teeth 402a are densely distributed oblique tooth-shaped structures and can be made of rubber; the end of the flexible convex tooth 402a faces the notch 201a of the contact 201, and has a check function for the penetrated electric wire X.
Further, the inner side edge of the force receiving portion 401 has a pressing surface 401c facing the first edge block 201 c. When the pressing block 402 presses the inner end of the wire X penetrating into the housing frame 100 and the deformed turning point X-2 presses the contact 201, the force-receiving portion 401 gradually close to the contact 201 can contact with the first edge block 201c through the pressing surface 401c and generate pressing and limiting, so that the contact 201 can be clamped between the force-receiving portion 401 and the first overhang plate 501, and the longitudinal structural stability is ensured.
Further, in order to ensure that the force transmission piece 400 can longitudinally slide on the housing frame 100 without falling off, two sides of the longitudinal side plate 101 of the housing frame 100 are provided with a limiting plate B-1.
In order to ensure that the electric component 200, the force transmission component 400 and the limiting component 500 can be installed in the frame of the shell frame 100 and the electric component 200 and the limiting component 500 do not fall off in the shell frame 100, the invention is characterized in that an integrally formed turning plate B-2 is arranged at the edge of one side edge of the shell frame 100, the turning plate B-2 can generate plastic deformation, and after the electric component 200, the force transmission component 400 and the limiting component 500 are installed in the frame of the shell frame 100, the turning plate B-2 can be bent to be sealed on the shell frame 100 to form protection.
Further, as shown in fig. 6 to 8, in order to further avoid the risk of the buckling section X-1 penetrating between the second outward extending plate 502 and the second edge block 201d from coming back and falling off, a strip-shaped protrusion 502a is disposed on a side surface of the second outward extending plate 502 corresponding to the first outward extending plate 501, the outward extending direction of the end of the strip-shaped protrusion 502a has a component toward the first outward extending plate 501 and also has a component toward the outer end of the second outward extending plate 502, and the strip-shaped protrusion 502a has a tendency of gradually increasing in thickness from the fixed end outward. A flexible damping plate 502b is further fixed on the second outer extension plate 502, and the flexible damping plate 502b is made of a flexible wear-resistant material (such as silica gel and rubber); one end of the flexible damping plate 502b is fixed to the side of the bar-shaped protrusion 502a, and the other end extends inward and covers the bar-shaped protrusion 502 a.
Therefore, when the bending section X-1 inserted between the second outward extending plate 502 and the second edge block 201d tends to retreat outward, the bending section X-1 can drive the bending section X-1 flexible damping plate 502b attached thereto by friction, and the more outward the bending section X-1 is drawn, the more compact the bending section X-1 is.
In summary, the electric component 200, the force transmission component 400, the limiting component 500 and the inserted electric wire X of the present invention can limit and embrace each other, and by forming a tightly installed whole:
firstly, the electric connection part 200 has stable structure: the electric wire X can be extruded on the inner side wall of the shell frame 100 through self outward convex deformation, so that the transverse limiting effect is ensured; the contact 201 is clamped between the stressed part 401 and the first outward extending plate 501, so that the longitudinal limiting effect can be ensured;
secondly, the structure of the limiting member 500 is stable: the contact 201 of the power receiving part 200 has a longitudinal limiting effect on the first outward extending plate 501; the end of the bending section X-1 extrudes and butts against the step surface 503 to form a transverse limiting effect on the limiting piece 500;
thirdly, the structure of the wire X is stable: the longitudinal extrusion of the force transmission piece 400 on the electric wire X can form a longitudinal limiting effect on the electric wire X together with the support of the second external extension plate 502; the wire X is bent and then coated on the periphery of the second external extension plate 502, so that the transverse limiting effect on the wire X can be formed;
fourthly, the force transmission piece 400 is stable in structure: the stress balance between the wire X and the screw 300 can ensure the stable state of the force transmission member 400.
As can be seen from the above analysis, after the external electric wire X is inserted into the housing frame 100 and fixed, the components in the housing frame 100 can be mutually constrained to form a limit, so as to form a stable structural system, and the electric wire X can be tightly fixed without loosing.
It should be noted that: the electric connecting part 200 of the invention is made of conductive metal (such as copper and aluminum), and other parts can be made of metal/nonmetal materials selectively.
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a be applied to termination of circuit breaker which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the shell frame (100) comprises a pair of longitudinal side plates (101) which are parallel to each other and a pair of transverse side plates (102) which are parallel to each other, the longitudinal side plates and the transverse side plates are enclosed together to form a frame-shaped structure, one longitudinal side plate (101) is provided with a threading opening (103), and an electric wire (X) can be threaded into the shell frame (100) from the threading opening (103);
the electric connecting piece (200) comprises a contact head (201) positioned inside the shell frame (100), a connecting part (202) fixed at the outer end of the contact head (201) and penetrating through the other longitudinal side plate (101), and an electric connecting piece (203) fixed at the outer end of the connecting part (202); and the number of the first and second groups,
a screw (300) connected to the one of the lateral side plates (102) by screw-fitting, and having an inner end extending to the inside of the housing frame (100).
2. The wiring device applied to the circuit breaker according to claim 1, wherein: the longitudinal side plate (101) comprises a first longitudinal plate (101a) and a second longitudinal plate (101b) which are parallel to each other; the lateral side plates (102) comprise a first transverse plate (102a) and a second transverse plate (102b) which are parallel to each other; the first longitudinal plate (101a), the first transverse plate (102a), the second longitudinal plate (101b) and the second transverse plate (102b) are sequentially connected and jointly enclosed to form a frame-shaped structure;
the threading opening (103) is arranged on the first vertical plate (101a), the connecting part (202) penetrates through the second vertical plate (101b), and the screw (300) is connected to the first transverse plate (102 a).
3. The wiring device applied to the circuit breaker according to claim 2, wherein: a clamping groove (104) corresponding to the connecting part (202) is formed in the longitudinal side plate (101);
the electric connecting piece (200) is embedded into the clamping groove (104) through a connecting part (202).
4. The wiring device applied to the circuit breaker according to any one of claims 1 to 3, wherein: the contact head (201) is provided with a notch (201a) facing the threading opening (103);
the electric wire (X) can extend into the edge of the notch (201a) after penetrating into the shell frame (100) from the threading opening (103), and is reversely bent under the guidance of the profile of the notch (201a) to form a bending section (X-1); the screw (300) can extrude the inner end of the electric wire (X) to enable the inner end to be close to the bending section (X-1) and to be convexly deformed at the turning position (X-2) of the bending section (X-1), and the contact head (201) is pressed on the inner side wall of the shell frame (100) through the deformed turning position (X-2).
5. The wiring device applied to the circuit breaker according to claim 4, wherein: and a curve limiting groove (201b) consistent with the profile trend of the notch (201a) is arranged on the inner side wall of the notch.
6. The wiring device applied to the circuit breaker according to any one of claim 4, wherein: the wiring device further comprises a force transmission piece (400) arranged inside the shell frame (100) in a sliding mode, and the sliding direction of the force transmission piece (400) is perpendicular to the direction of the notch (201 a);
the screw (300) can push the force transmission piece (400) inwards, and the electric wire (X) penetrating into the shell frame (100) is extruded through the force transmission piece (400).
7. The wiring device applied to the circuit breaker according to claim 6, wherein: the contact head (201) is wider than the engagement portion (202), the contact head (201) is divided by the notch (201a) into a first edge block (201c) and a second edge block (201d) on both sides of the notch (201a), and the first edge block (201c) is closer to the screw (300) than the second edge block (201 d).
8. The wiring device applied to the circuit breaker according to claim 7, wherein: the wiring device further comprises a limiting piece (500) arranged opposite to the electric connection piece (200);
the limiting piece (500) is positioned at one corner in the shell frame (100) and comprises a first outer extending plate (501) extending to a position between the second edge block (201d) and the interlayer of the transverse side plate (102) and a second outer extending plate (502) extending to a position between the inner end of the electric wire (X) and the bent section (X-1) of the electric wire (X);
one side of the second external extension plate (502) corresponding to the bending section (X-1) is provided with a step surface (503) opposite to the end of the bending section (X-1).
9. The wiring device applied to the circuit breaker according to claim 7 or 8, wherein: the force transmission piece (400) comprises a force bearing part (401) and an extrusion block (402) fixed on the inner side of the force bearing part (401);
a compression groove (401a) opposite to the inner end of the screw (300) is formed in the center of the stress part (401), a pair of accommodating grooves (401b) are symmetrically formed in two sides of the compression groove (401a), a tension spring (600) is fixed in each accommodating groove (401b), and the other end of each tension spring (600) is fixed on the inner side wall of the shell frame (100);
the extrusion block (402) is opposite to the second outward extending plate (502), the tail end of the extrusion block is provided with a flexible convex tooth (402a), and the tail end of the flexible convex tooth (402a) faces the notch (201a) of the contact head (201).
10. The wiring device applied to the circuit breaker according to claim 9, wherein: the inner side edge of the stress part (401) is provided with a pressing surface (401c) which is opposite to the first edge block (201 c);
when the extrusion block (402) extrudes the inner end of the electric wire (X) penetrating into the shell frame (100) and the deformed turning part (X-2) presses the contact head (201), the extrusion surface (401c) can be contacted with the first edge block (201 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219862.5A CN112151323B (en) | 2020-11-05 | 2020-11-05 | Wiring device applied to circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011219862.5A CN112151323B (en) | 2020-11-05 | 2020-11-05 | Wiring device applied to circuit breaker |
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| CN112151323A true CN112151323A (en) | 2020-12-29 |
| CN112151323B CN112151323B (en) | 2021-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430122A (en) * | 2021-12-24 | 2022-05-03 | 新沂市五联电气科技有限公司 | Power electronic module copper bar connecting system |
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| CN201307567Y (en) * | 2008-11-04 | 2009-09-09 | 东莞基业电气设备有限公司 | Wire connecting device of circuit breaker |
| JP2018156885A (en) * | 2017-03-21 | 2018-10-04 | 富士電機機器制御株式会社 | Wiring connection device and electric device |
| CN206976608U (en) * | 2017-07-20 | 2018-02-06 | 杰特电子实业(深圳)有限公司 | A kind of binding post |
| CN210866083U (en) * | 2019-11-22 | 2020-06-26 | 乐清市荣泰电器厂 | Wiring terminal of circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114430122A (en) * | 2021-12-24 | 2022-05-03 | 新沂市五联电气科技有限公司 | Power electronic module copper bar connecting system |
| CN114430122B (en) * | 2021-12-24 | 2024-05-17 | 新沂市五联电气科技有限公司 | Copper bar connecting system of power electronic module |
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| CN112151323B (en) | 2021-06-11 |
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