CN217983768U - Single-socket power switch cabinet contact - Google Patents
Single-socket power switch cabinet contact Download PDFInfo
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- CN217983768U CN217983768U CN202222143888.7U CN202222143888U CN217983768U CN 217983768 U CN217983768 U CN 217983768U CN 202222143888 U CN202222143888 U CN 202222143888U CN 217983768 U CN217983768 U CN 217983768U
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- spring
- power switch
- switch cabinet
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Abstract
The utility model relates to a single-jack power switch cabinet contact, which comprises a drawer seat external bus, wherein the front end of the drawer seat external bus is respectively connected with an upper contact piece and a lower contact piece; the hard parts at the two rear ends are respectively fixedly connected with an external bus of the drawer base, and a socket for clamping a slotting tool of the body is formed between the hard parts at the two front ends; a support; the upper spring piece and the lower spring piece are respectively positioned on the outer side surfaces of the upper contact piece and the lower contact piece, and the front end and the rear end of each spring piece cover the hard parts at the two ends of each contact piece; and the locking bolts are connected between the two spring pieces and are suitable for driving the two spring pieces to be locked oppositely, so that the front ends of the two spring pieces are driven to elastically clamp the hard parts at the two front ends. Adopt the utility model discloses a contact can reduce the contact internal resistance, promotes the contact security, presss from both sides tightly more reliable and more stable to the body slotting tool.
Description
Technical Field
The utility model relates to a power equipment field, concretely relates to single socket power switch cabinet contact.
Background
The external bus of the drawer seat and the circuit breaker are arranged in the power switch cabinet, the circuit breaker is installed on the drawer cabinet, and the circuit breaker is driven by the drawer cabinet to be in contact with the external bus to achieve the work of the power switch cabinet.
During operation, the external bus of the drawer seat and the body slotting tool on the circuit breaker are required to form inserting and matching, a contact is required to be used in the inserting and connecting process, the contact is used as a conductive connecting piece between the bus and the circuit breaker, one end of the contact is required to be connected with the bus, and the other end of the contact is required to be connected with the body slotting tool of the circuit breaker.
Current switchgear contacts can be found in prior patents, patent application nos.: 2019224004017, the patent name: an electrical device and an electrical connection device thereof; referring to fig. 1a and 1b of the prior patent, the contact is of a rigid structure, and the roughness of the contact part and the bright belt of the blanking surface have direct influence on the contact internal resistance of the contact; secondly, as seen in fig. 2a to 10c of the prior patent, the contact pressure is mainly due to the spring to form the elastic clamping structure in the contact, the spring deformation space is limited, and the spring is prone to failure and difficult to assemble.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the single-jack power switch cabinet contact is provided, and the problem that the contact internal resistance is increased due to the fact that clamping force is unstable between two contact pieces and contact surfaces between the contact pieces and a body slotting tool are insufficient in the existing contact is solved.
The utility model provides a technical scheme that its technical problem adopted is:
a single-jack power switch cabinet contact is provided, comprising
The drawer seat is externally connected with a bus, and the front end of the bus is arranged between the upper contact piece and the lower contact piece;
the two contact pieces comprise a flexible part and two hard parts, and the flexible part is positioned between the two hard parts; the hard parts at the two rear ends are fixedly connected with an external bus of the drawer seat, and a socket for clamping the slotting tool of the body is formed between the two hard parts at the front ends;
a bracket positioned between the two contact pieces, wherein the front end of the bracket is supported between the two front end hard parts, and the rear end of the bracket is supported between the two rear end hard parts;
the upper spring piece and the lower spring piece are respectively positioned on the outer side surfaces of the upper contact piece and the lower contact piece, the rear end of each spring piece is in compression joint with the rear end hard part, and the front end of each spring piece is in compression joint with the front end hard part, so that the socket at the front end is suitable for elastic clamping of the inner body slotting tool;
and the locking bolts are connected between the two spring pieces and are suitable for driving the two spring pieces to be locked oppositely.
Further, the contact sheet includes
The copper foil structure comprises a plurality of copper foils, a rigid part and a plurality of connecting parts, wherein the copper foils are stacked together to form a flexible copper foil stack, two ends of the copper foil stack are welded through hot melting, and the copper foils at the two ends of the copper foil stack are hot melted to form a copper plate structure, namely the rigid part;
the copper foil laminate without welding in the middle is the flexible part.
Furthermore, the locking bolt sequentially penetrates through the upper spring piece, the upper contact piece, the support, the lower contact piece and the lower spring piece and then is connected with the locking nut, so that the upper spring piece and the lower spring piece are locked in opposite directions.
Further, the front end hard part comprises a straight section and an arc section, and the body slotting tool is clamped between the upper arc section and the lower arc section;
the inner side surface of the hard part at the rear end is a straight section.
Furthermore, a plurality of cutting grooves are arranged on each front end hard part and each spring plate,
the cutting groove on the front end hard part divides the front end hard part into a plurality of front end contact strips, and each front end contact strip is suitable for being in contact fit with the slotting tool of the body;
the front end of the spring piece is divided into a plurality of front end elastic pieces by the cutting grooves on the spring piece, and the front end elastic pieces are tightly pressed on the front end contact strips so as to provide clamping elasticity for the front end contact strips.
Furthermore, corner plates are arranged on the upper surface and the lower surface of the external bus of the drawer seat, the rear-end hard part of the contact piece is located between the corner plate and the external bus of the drawer seat, and the connecting bolt penetrates through the corner plate, the rear-end hard part and the external bus of the drawer seat to fixedly connect the external bus of the drawer seat, the contact piece and the corner plate together.
Further, the bracket comprises
The rear ends of the two side rods form supporting bulges, the supporting bulges are suitable for supporting the rear hard parts, and the front ends of the supporting bulges are respectively connected with the cross rods;
the two ends of the cross rod are respectively connected with the front ends of the two front sides, and the cross rod is suitable for supporting the front end hard part;
the two bolt plates are respectively arranged on the two side rods, and are provided with bolt holes suitable for the locking bolts to penetrate through;
and the two clamping blocks are respectively arranged on the side rods.
The utility model has the advantages that:
when the body slotting tool is in splicing fit with the front-end socket, the contact surface between the body slotting tool and the contact piece is stable, the contact internal resistance can be reduced, the safety of the contact is improved, and the safety of the electric power cabinet is further improved.
The grooving that sets up on the contact chip can regard as the radiating groove to use, and the heat that produces can be scattered through the grooving when the operation of front end shell fragment, reduces contact operation temperature, promotes the security.
The spring locking is realized through two spring pieces and locking bolt to a contact piece from top to bottom to contact piece is to the elasticity clamping force of body slotting tool about can stable control, presss from both sides to the body slotting tool more reliable and stable, if rely on the spring to provide the clamping force, and the spring space is limited, has the tensile condition, and the spring also realizes easily, uses the spring piece now, and elasticity reliable and stable to this elasticity presss from both sides tight structure and is convenient for install.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a perspective view of a single-jack power switch cabinet contact of the present invention;
FIG. 2 is a side view of a single-outlet power switch cabinet contact of the present invention;
fig. 3 and 4 are schematic views of contact pieces;
FIG. 5 is a schematic view of a spring plate;
FIG. 6 is a schematic view of a stent;
wherein the content of the first and second substances,
1. the drawer base is externally connected with a bus 2, a contact piece 21, a copper foil 2A, a rear end hard part 2B, a flexible part 2C, a front end hard part 2C1 and a front end touch strip;
3. the device comprises a support 31, side rods 32, cross rods 33 and bolt plates;
4. a spring piece 41, a front end spring piece;
5. locking bolt, 6, body slotting tool, 7, scute.
Detailed Description
The invention will now be further described with reference to specific embodiments. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in FIGS. 1-6, a single-jack power switch cabinet contact comprises
The drawer seat is externally connected with a bus 1, and the front end of the drawer seat is arranged on the upper contact piece 2 and the lower contact piece 2;
the contact piece comprises an upper contact piece 2 and a lower contact piece 2, wherein each of the two contact pieces 2 comprises a flexible part 2B and two hard parts, and the flexible part 2B is positioned between the two hard parts; the two hard parts at the rear ends are respectively fixedly connected with an external bus 1 of the drawer base, and a socket for clamping the slotting tool 6 of the body is formed between the two hard parts 2C at the front ends;
a holder 3 positioned between the two contact pieces 2, the front end of which is supported between the two front end hard portions 2C and the rear end of which is supported between the two rear end hard portions 2A;
the upper spring piece 4 and the lower spring piece 4 are respectively positioned on the outer side surfaces of the upper contact piece 2 and the lower contact piece 2, the rear end of each spring piece 4 is in compression joint with the rear end hard part 2A, and the front end of each spring piece 4 is in compression joint with the front end hard part 2C, so that the socket at the front end is suitable for elastic clamping of the inner body slotting tool;
and the locking bolts 5 are connected between the two spring pieces 4, and the locking bolts 5 are suitable for driving the two spring pieces 4 to lock oppositely.
In this embodiment, the upper and lower spring strips 4+ the plurality of locking bolts 5 form an elastic locking mechanism for the two contact pieces 2, thereby ensuring elastic clamping of the body slotting tool 6 entering the socket.
The number of the lock bolts 5 is related to the width of the entire contact, and the wider the contact piece 2 is, the larger the number of the lock bolts 5 is, and the narrower the number of the lock bolts 5 is, the number of the lock bolts 5 can be appropriately reduced, but at least one lock bolt 5 is required.
In this embodiment, the single-jack power switch cabinet contact is called as a single-jack power switch cabinet contact because only one jack at the front end is in plug-in fit with a plug blade of a body of a circuit breaker, and the rear end of the contact is directly and fixedly installed with an external bus.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 3, the contact piece 2 includes
A plurality of copper foils 21, wherein the copper foils 21 are stacked together to form a flexible copper foil 21 stack, the two ends of the copper foil 21 stack are welded by hot melting, and the copper foils 21 at the two ends of the copper foil 21 stack are hot melted to form a copper plate structure, namely the hard part;
the copper foil 21 laminated without welding in the middle is the flexible portion 2B.
The contact piece 2 of this embodiment, every contact piece 2 includes a front end stereoplasm portion 2C, the flexible portion 2B in middle of a rear end stereoplasm portion 2A and a, the external generating line 1 of drawer seat is connected to rear end stereoplasm portion 2A, front end stereoplasm portion 2C is used for forming the face contact with body slotting tool 6, flexible portion 2B is used for guaranteeing that front end stereoplasm portion 2C can do and reciprocate, and front end stereoplasm portion 2C can not influence rear end stereoplasm portion 2A when doing the displacement from top to bottom, thereby make front end stereoplasm portion 2C can be stably with body slotting tool 6 elastic contact.
The whole contact piece 2 is formed by welding a plurality of copper foils 21, and the electric conductivity is stable and reliable.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 1 and fig. 2, the lock bolt 5 passes through the upper spring plate 4, the upper contact piece 2, the bracket 3, the lower contact piece 2 and the lower spring plate 4 in sequence and then is connected with a lock nut, so as to lock the upper spring plate 4 and the lower spring plate 4 in opposite directions.
In this embodiment, the lock bolt 5 passes through the spring pieces 4, the bracket 3, and the contact pieces 2 at the same time, so that the stability of the positions of the spring pieces 4, the contact pieces 2, and the bracket 3 can be ensured, the position movement is not likely to occur, and the stable up-and-down movement of the upper and lower contact pieces 2 is ensured.
As an alternative embodiment of the support 3, as shown in figure 6, said support 3 comprises
Two side rods 31 having rear ends formed with support projections adapted to support the rear hard portions 2A and front ends connected to the cross rods 32, respectively;
a cross bar 32, both ends of which are connected to the two front ends, respectively, the cross bar 32 being adapted to support the front end hard portion 2C;
and the two bolt plates 33 are respectively arranged on the two side rods, and bolt holes are formed in the bolt plates 33 and are suitable for the locking bolts 5 to penetrate through.
And the two clamping blocks are respectively arranged on the side rods and are used for installing and limiting the bracket 3.
In this embodiment, the supporting protrusion at the rear end of the side lever 31 supports the rear hard portion 2A of the contact piece 2, and the front hard portion 2C is supported by the cross bar 32, so that the two contact pieces 2 are stably pressed by the two spring pieces 4, the size of the socket in the contact depends on the height of the support frame, and a person skilled in the art can rotate the appropriate support 3 according to actual requirements. The main function of the holder 3 is to maintain the stability of the entire contact mechanism.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 3, the front end hard portion 2C includes a straight section and an arc-shaped section, and the body slotting tool 6 is clamped between the upper and lower arc-shaped sections.
The inner side surface of the hard part at the rear end is a straight section. The rear end hard part is attached to and installed on the external bus of the drawer seat through the straight section.
In this embodiment, the arc-shaped section is located in the socket, so, after the body slotting tool 6 enters the socket, the arc-shaped section can ensure that a contact point between the arc-shaped section and the body slotting tool 6 all the time, namely, a line contact is formed, and the contact stability is ensured.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 3 and 4, a plurality of cutting grooves are formed on each of the front end hard portion 2C and the spring piece 4;
the front end hard part 2C is divided into a plurality of front end contact strips 2C1 by the cutting grooves on the front end hard part 2C, and each front end contact strip 2C1 is suitable for being in contact fit with the body slotting tool 6;
the front end of the spring piece 4 is divided into a plurality of front end spring pieces 41 by the cutting grooves on the spring piece 4, and the front end spring pieces 41 are pressed on the front end contact strips 2C1 to provide clamping elasticity for the front end contact strips 2C 1.
In this embodiment, each front-end elastic sheet 41 provides an elastic clamping force for each front-end contact strip 2C1, and the front-end hard portion 2C contacts with the body slotting tool 6 through the plurality of front-end contact strips 2C1, so that the contact point position is improved, the contact area between the contact point position and the body slotting tool 6 is improved, and the conductive contact reliability is improved.
The cutting grooves can also be used as radiating grooves, and heat generated during operation of the front-end contact strip 2C1 can be radiated from the cutting grooves on two sides.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1 and fig. 2, corner plates 7 are disposed on both upper and lower surfaces of the drawer base external bus bar 1, the rear end hard portion 2A of the contact piece 2 is located between the corner plate 7 and the drawer base external bus bar 1, and a connecting bolt penetrates through the corner plate 7, the rear end hard portion 2A and the drawer base external bus bar 1 to fixedly connect the drawer base external bus bar 1, the contact piece 2 and the corner plate 7 together.
The gusset 7 is of an L-shaped configuration.
In this embodiment, a connected mode between contact piece 2 and the external generating line 1 of drawer seat is provided, and the external generating line 1 of drawer seat can be directly connected fixedly with contact piece 2 through the compression joint board, in this embodiment, adopts scute 7 to compress tightly fixedly to 2 rear end stereoplasm portions 2A of contact piece, except can satisfying the fixed of contact piece 2, can also make whole contact realize the installation through scute 7.
All set up a plurality of bolt holes on two faces of scute 7, one side face is used for cooperating with contact piece 2, and the opposite side face is used for cooperating with the cabinet body.
The utility model discloses single socket power switch cabinet contact theory of operation: the contact of the utility model is arranged on the external bus 1 of each drawer seat, the rear ends of two contact pieces 2 in the contact are fixedly connected with the external bus, and the front ends of the two contact pieces 2 are movably inserted with the body slotting tool 6 to form contact matching; the two contact pieces 2 realize elastic clamping of the slotting tool 6 of the body through locking of the spring pieces 4, the clamping is stable and reliable, and the stability and the reliability are ensured;
in the two contact pieces 2, the front end hard portion 2C is elastically clamped, and the front end hard portion 2C notifies the flexible portion 2B to be connected to the rear end hard portion 2A, so that the front end hard portion 2C can stably move up and down, that is, the opening and closing of the jack, due to the existence of the flexible portion 2B.
Adopt the utility model discloses a contact can reduce the contact internal resistance, promotes the contact security, presss from both sides tightly more reliable and more stable to body slotting tool 6.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A single-jack power switch cabinet contact is characterized by comprising
The drawer seat is externally connected with a bus, and the front end of the bus is arranged between the upper contact piece and the lower contact piece;
the two contact pieces comprise a flexible part and two hard parts, and the flexible part is positioned between the two hard parts; the hard parts at the two rear ends are fixedly connected with an external bus of the drawer seat, and a socket for clamping the slotting tool of the body is formed between the two hard parts at the front ends;
a bracket positioned between the two contact pieces, wherein the front end of the bracket is supported between the two front end hard parts, and the rear end of the bracket is supported between the two rear end hard parts;
the upper spring piece and the lower spring piece are respectively positioned on the outer side surfaces of the upper contact piece and the lower contact piece, the rear end of each spring piece is in compression joint with the rear end hard part, and the front end of each spring piece is in compression joint with the front end hard part, so that the socket at the front end is suitable for elastic clamping of the inner body slotting tool;
and the locking bolts are connected between the two spring pieces and are suitable for driving the two spring pieces to be locked oppositely.
2. The single-jack power switch cabinet contact of claim 1,
the contact sheet comprises
The copper foil structure comprises a plurality of copper foils, a rigid part and a plurality of connecting parts, wherein the copper foils are stacked together to form a flexible copper foil stack, two ends of the copper foil stack are welded through hot melting, and the copper foils at the two ends of the copper foil stack are hot melted to form a copper plate structure, namely the rigid part;
the copper foil lamination without welding in the middle is the flexible part.
3. The single-jack power switch cabinet contact of claim 1,
and the locking bolt sequentially penetrates through the upper spring piece, the upper contact piece, the bracket, the lower contact piece and the lower spring piece and then is connected with a locking nut so as to lock the upper spring piece and the lower spring piece in opposite directions.
4. The single-jack power switch cabinet contact of claim 1,
the front end hard part comprises a straight section and an arc section, and the slotting tool of the body is clamped between the upper arc section and the lower arc section;
the inner side surface of the hard part at the rear end is a straight section.
5. The single-jack power switch cabinet contact of claim 1,
a plurality of cutting grooves are respectively arranged on each front end hard part and each spring plate,
the cutting groove on the front end hard part divides the front end hard part into a plurality of front end contact strips, and each front end contact strip is suitable for being in contact fit with the slotting tool of the body;
the front end of the spring piece is divided into a plurality of front end elastic pieces by the cutting grooves on the spring piece, and the front end elastic pieces are tightly pressed on the front end contact strips so as to provide clamping elasticity for the front end contact strips.
6. The single receptacle power switch cabinet contact of claim 1,
the upper surface and the lower surface of the external bus of the drawer seat are respectively provided with an angle plate, the rear end hard part of the contact piece is positioned between the angle plate and the external bus of the drawer seat, and the connecting bolt penetrates through the angle plate, the rear end hard part and the external bus of the drawer seat to fixedly connect the external bus of the drawer seat, the contact piece and the angle plate together.
7. The single-jack power switch cabinet contact of claim 1,
the bracket comprises
The rear ends of the two side rods form supporting bulges, the supporting bulges are suitable for supporting the rear hard parts, and the front ends of the supporting bulges are respectively connected with the cross rods;
the two ends of the cross rod are respectively connected with the front ends of the two front sides, and the cross rod is suitable for supporting the front end hard part;
the two bolt plates are respectively arranged on the two side rods, and are provided with bolt holes suitable for the locking bolts to penetrate through;
and the two clamping blocks are respectively arranged on the side rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222143888.7U CN217983768U (en) | 2022-08-12 | 2022-08-12 | Single-socket power switch cabinet contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222143888.7U CN217983768U (en) | 2022-08-12 | 2022-08-12 | Single-socket power switch cabinet contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217983768U true CN217983768U (en) | 2022-12-06 |
Family
ID=84257704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222143888.7U Active CN217983768U (en) | 2022-08-12 | 2022-08-12 | Single-socket power switch cabinet contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217983768U (en) |
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2022
- 2022-08-12 CN CN202222143888.7U patent/CN217983768U/en active Active
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