CN210516441U - Terminal block and coil assembly using the same - Google Patents
Terminal block and coil assembly using the same Download PDFInfo
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- CN210516441U CN210516441U CN201921485729.7U CN201921485729U CN210516441U CN 210516441 U CN210516441 U CN 210516441U CN 201921485729 U CN201921485729 U CN 201921485729U CN 210516441 U CN210516441 U CN 210516441U
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Abstract
The utility model provides a coil pack of binding post and applied this terminal, include: the wiring terminal comprises a wiring terminal body, a first connecting piece and a second connecting piece, wherein the wiring terminal body is a metal sheet which can be in conductive connection with an external power supply; the binding post is electrically connected and fixed on the binding post body and is used for being electrically connected with the wiring end of the enameled wire, the binding post comprises a wiring part for the wiring end of the enameled wire to pass through along the surface of the wiring part and a fixed terminal capable of pressing down towards the wiring part, the wiring end of the enameled wire is clamped between the wiring part and the fixed terminal, a space clamped by the wiring part after the fixed terminal is pressed down is at least opened in the passing-through direction and the passing-out direction and the direction towards the binding post body, and the cross section of the binding post body, which is vertical to the passing-through direction of the enameled wire, is. The utility model discloses a binding post when the fixed terminal pushes down and connects, the enameled wire receives the overdraft of fixed terminal, can extend to a plurality of open directions, prevents that the enameled wire from being pressed absolutely by the fixed terminal, satisfies the crimping butt-welding requirement of different line footpath enameled wires.
Description
Technical Field
The utility model belongs to wiring and connection field especially relate to a binding post and use this binding post's coil pack, and the IPC classification can belong to H01R 13/405.
Background
The existing wiring terminal structure is as in patent publication No. CN109301567A, it is including the binding post that wiring terminal body and the wiring end of enameled wire are connected, seted up flutedly on the binding post, the binding post is fixed in on the wiring terminal body. When the device is used, the wiring end of the enameled wire is arranged in the groove, and then the fixed terminal is pressed down to be connected with the cover to be covered on the surface of the wiring end for butt-welding connection.
The enameled wire has various wire diameters with different specifications, and the wire diameter of the common enameled wire is 0.1-2 mm. In the production now, the enameled wire of different line footpaths needs to correspond the binding post of using different groove depth and the technological parameter that the different connection lid closed of pushing down, otherwise can appear:
when the enameled wire is connected with the enameled wire with a thick wire diameter, the enameled wire is broken by the fixed terminal due to insufficient depth of the groove, so that the enameled wire and the wiring terminal are in open circuit connection; or
When the connecting structure is connected with the enameled wire with the small wire diameter, a gap exists between the enameled wire and the fixed terminal due to the fact that the depth of the groove is too deep, and the enameled wire and the connecting terminal cannot be in contact to form open circuit connection.
Therefore, the existing wiring terminal needs wiring terminals with different groove depths of various models and corresponding pressing-down connection technological parameters in production and application, and is inconvenient for production and application.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can satisfy binding post of different line footpath enameled wires solves the inconvenient problem of current binding post production application.
The utility model adopts the technical proposal that: a terminal, comprising: the wiring terminal comprises a wiring terminal body, a first connecting piece and a second connecting piece, wherein the wiring terminal body is a metal sheet which can be in conductive connection with an external power supply; the binding post is electrically connected and fixed on the binding post body and is used for being electrically connected with the binding post of the enameled wire; the terminal includes that the confession the wiring portion that the wiring end of enameled wire passed through along its surface and the fixed terminal that can push down towards the wiring portion, and the wiring end clamp of enameled wire is between wiring portion and fixed terminal to fixed terminal pushes down the back and the wiring portion presss from both sides the space: the cross section of the connecting terminal body is at least opened in the passing-through direction and the direction towards the connecting terminal body, and the cross section of the connecting terminal body is gradually enlarged or gradually reduced towards the direction of the connecting terminal body.
The utility model discloses a binding post is equipped with the wiring portion that supplies the enameled wire to pass through along the surface on the terminal and can be towards the fixed terminal that wiring portion pushed down, and the space that presss from both sides with wiring portion after the fixed terminal pushes down is opened at the direction of advancing, going out direction and orientation binding post body that the enameled wire passed through, and enlarges or dwindles gradually in the direction that passes through direction vertically cross-section towards binding post body. In practical application, a user can select wiring assembly in the space between the fixed terminal and the wiring part clamp according to the wire diameter of the enameled wire. When the fixed terminal is connected under pressure, the enameled wire can extend at least to the direction of passing through in and out and towards the binding post body, prevents that the enameled wire from being broken by the fixed terminal pressure, satisfies the requirement of compressing tightly and butt-joint connection of different wire footpath enameled wires.
Furthermore, the wire connecting part is in a step shape or an inclined shape on the side opposite to the fixed terminal on the cross section vertical to the crossing direction of the enameled wire.
Furthermore, the wiring terminal body is a rectangular metal sheet, and the direction of the wide surface of the rectangular metal sheet faces to a space clamped by the wiring part after the fixed terminal is pressed down.
Preferably, the fixed terminal is a metal sheet clamped on the wiring portion, the fixed terminal comprises a fixed portion and a downward pressing connecting portion, and the fixed terminal is clamped on the wiring portion through the fixed portion.
In another preferred embodiment, the fixed terminal is integrally formed with the wire connecting portion.
Furthermore, the fixed terminal is a metal sheet which extends from the end surface of the wire connecting part which is farthest away from the wire connecting terminal body to the direction of the wire connecting terminal body and forms an acute angle with the wire connecting part.
Furthermore, the surface of the fixed terminal opposite to the wire connection part after being connected in a pressing mode is a pressing connection surface, the surface of the wire connection part opposite to the pressing connection surface is a wire connection surface, and convex teeth are arranged on the wire connection surface or/and the pressing connection surface.
Furthermore, the fixed terminal is in a step shape or an inclined shape on the cross section of the wire connecting part perpendicular to the crossing direction of the enameled wire, and the side of the fixed terminal opposite to the wire connecting part is in a step shape or an inclined shape.
Further, the terminal also comprises a wire head winding column positioned at the top.
The utility model provides an use binding post's coil pack, includes in addition above-mentioned arbitrary binding post, still including enameled wire and coil former, the enameled wire is including the wiring end, and on the wiring portion was arranged in to the wiring end, fixed terminal crimping and fixed wiring end and wiring portion, wiring end and fixed terminal, wiring portion butt-weld are connected.
Further, the coil assembly further includes an insulating part covering and sealing at least the butt-weld portion of the enamel wire.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of a connecting terminal of a step-shaped terminal according to embodiment 1 of the present invention;
fig. 2 is a front view of a terminal of an inclined terminal according to embodiment 1 of the present invention;
fig. 3 is a schematic perspective view of a connection terminal according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of the connection terminal of embodiment 1 of the present invention after pressing down the connection enameled wire;
fig. 5 is a right side view of the connection terminal of embodiment 1 of the present invention after pressing down the enameled wire;
fig. 6 is a schematic structural view of the connection terminal and the enamel wire of fig. 5 in the S section;
fig. 7 is a schematic structural view of another embodiment of the connection terminal and the enamel wire in the S-section of fig. 5;
fig. 8 is a schematic structural view of butt-welding of a connection terminal and an enameled wire according to embodiment 1 of the present invention;
fig. 9 is a front view of a terminal of a step-shaped terminal according to embodiment 2 of the present invention;
fig. 10 is an exploded view of a terminal according to embodiment 2 of the present invention;
fig. 11 is a schematic perspective view of a fixing portion according to embodiment 2 of the present invention;
fig. 12 is a schematic structural view of the terminal of embodiment 2 of the present invention before pressing down the enameled wire;
fig. 13 is a schematic structural view of a coil block according to embodiment 2 of the present invention;
fig. 14 is a schematic structural diagram of the coil assembly after being molded.
Wherein: 1-connecting terminal, 1.1-connecting terminal body, 1.1.1-wide surface, 1.2-connecting terminal, 1.2.1-connecting part, 1.2.2-starting end, 1.3-fixed terminal, 1.3.1-fixed part, 1.3.2-downward pressing connecting part, 1.3.3-downward pressing connecting surface, 1.3 '-fixed terminal, 1.3.3' -downward pressing connecting surface, 1.4-wire head winding column, 1.5-connecting part convex tooth, 1.6-downward pressing connecting surface convex tooth, 2-enameled wire, 3-coil rack, 4-upper electrode, 5-lower electrode, 6-plastic capsule, 11-wire inlet point, 12-wire outlet point, 13-cross section vertical to S-crossing direction towards connecting terminal body
Detailed Description
Example one
Fig. 1-4 are schematic structural views of a connection terminal according to embodiment 1 of the present invention.
The binding post 1 of this embodiment is including binding post body 1.1, terminal 1.2. Binding post body 1.1 is the sheetmetal that can be connected with external power supply electric conductance, and binding post 1.2 is fixed in on the binding post body. The wiring terminal 1.2 is provided with a wiring part 1.2.1 for the enameled wire to pass through along the surface and a fixed terminal 1.3'. The fixed terminal 1.3' is integrally formed with the wiring part, and is a metal sheet which extends from the end face of the wiring part, which is farthest away from the wiring terminal body, to the direction of the wiring terminal body and forms an acute angle with the wiring part. As shown in fig. 4, the crossing of the enameled wire at the wiring portion includes a wire inlet point 11 and a wire outlet point 12, the wire inlet point 11 is a point formed by the initial intersection of the enameled wire and the fixed terminal, the wire outlet point 12 is a point formed by the intersection of the enameled wire and the tail end of the fixed terminal, and the crossing direction of the enameled wire is a connection line of the wire inlet point 11 and the wire outlet point 12. A space through which the enameled wire can pass is formed between the wire connecting portion 1.2.1 and the fixed terminal 1.3', and the fixed terminal 1.3' can be pressed down along a line intersecting the wire connecting portion as a rotating axis in the direction of the wire connecting portion to form a clamped space, as shown in fig. 4, at least in the inlet and outlet directions of the enameled wire passing direction and the direction 13 facing the wire connecting terminal body. As shown in fig. 5 and 6, the space between the fixed terminal and the wire connecting portion after being pressed down gradually expands toward the terminal body 1.1.1 on the cross section S perpendicular to the crossing direction of the enameled wire. In the embodiment of fig. 6, the sandwiched space includes a space H1 closest to the terminal body and a space H2 next to the terminal body in a cross section S perpendicular to the enameled wire passing direction, wherein the height of the formed space H1 in the cross-sectional vertical direction is larger than the height of the formed space H2 in the cross-sectional vertical direction (the arrow direction L in the drawing is the vertical direction). Or as another embodiment, see fig. 7, the space between the fixed terminal 1.3' and the wire connecting portion 1.2 after being pressed down is gradually reduced in the main section S towards the terminal body. In the embodiment of fig. 7, the sandwiched space includes a space H1 'closest to the terminal body and a space H2' next to the terminal body in a cross section S perpendicular to the direction of crossing the enamel wire, wherein the height of the formed space H1 'in the vertical direction of the cross section is smaller than the height of the formed space H2' in the vertical direction of the cross section (the direction of arrow L in the figure is the vertical direction).
As one preferable mode, as shown in fig. 6, the side of the wire connecting portion opposite to the fixed terminal 1.3' is stepped on a cross section S perpendicular to the direction in which the enamel wire passes. Or in the scheme shown in fig. 7, after the fixed terminal 1.3 'is pressed down, on a cross section of the wire connecting part perpendicular to the crossing direction of the enameled wire, the side of the wire connecting part 1.2.1 opposite to the fixed terminal 1.3' is inclined.
Referring to fig. 3 and 4, in order to prevent the enameled wire terminal from falling off from the terminal block when the enameled wire is wound, a terminal winding post 1.4 extends from the front end surface of the terminal block 1.2 in the crossing direction. When the device works, the enameled wire terminal is firstly wound on the wire head winding column 1.4, and then the wire is led in along the wiring part. As shown in fig. 6, the opening of the space formed by the wire connecting portion and the fixed terminal is disposed opposite to the wire connecting terminal for better guiding of the enamel wire. Design like this makes and forms the structure that both sides are high, the centre is low between binding post body 1.1.1, wiring portion 1.2.1 and the fixed terminal 1.3', and the enameled wire can carry out the inlet wire along binding post's wiring portion better.
As shown in fig. 3, as a preferred embodiment of the terminal, the terminal body 1.1 is a rectangular metal sheet, the surface with a larger area is a wide surface 1.1.1, and the wide surface 1.1.1 of the rectangular metal sheet is pressed down toward the fixed terminal and then forms a space with the terminal portion. The design enables a guide channel formed between the wiring terminal and the wiring part to be increased, and facilitates the winding of the enameled wire on the coil rack.
Referring to fig. 6, in order to apply the enameled wire with a larger wire diameter, the side of the fixed terminal 1.3' opposite to the wire connection portion 1.2.1 is stepped or inclined (not shown) on the cross section perpendicular to the crossing direction of the enameled wire.
As a preferred scheme, as shown in fig. 2, the surface of the fixed terminal opposite to the wiring part after press-connection is a press-connection surface 1.3.3', the surface of the wiring part opposite to the press-connection surface 1.3.3' is a wiring surface 1.2.2, the wiring surface 1.2.2 is provided with a wiring part convex tooth 1.5 with a dentate bulge perpendicular to the direction of the incoming and outgoing line, or/and the press-connection surface 1.3.3' is provided with a press-connection surface convex tooth 1.6 with a dentate bulge perpendicular to the direction of the incoming and outgoing line. When the fixed terminal is pressed down for connection, the enamel coating on the surface of the enameled wire is pierced by the convex teeth, which is more beneficial to butt-welding connection.
Fig. 8 and 14 show a coil block to which the terminal is applied, which includes the terminal 1 of the present embodiment, an enamel wire 2, and a bobbin 3. As shown in fig. 4 and 8, the terminal of the enameled wire is wound on the wire head winding column 1.4, the enameled wire is fed along the direction of the coil former 3 and contacts with the stepped or inclined wiring part, and the fixed terminal 3 is pressed down to connect the enameled wire on the wiring part in a tight fit manner. As shown in fig. 8, after the fixed terminal connects the enameled wire to the wiring portion in a close contact manner, the upper electrode 4 and the lower electrode 5 are used to connect the wiring terminal and the enameled wire to the exposed surfaces of the wiring portion 1.2.1 and the fixed terminal 1.3' by means of butt-welding, so that the wiring terminal and the enameled wire form a conductive circuit.
After the butt-welding connection, an insulating part is arranged on the butt-welding part of the enameled wire and the wiring terminal. The insulating part in this scheme can be: coating a sealing glue layer for sealing the welding part, sleeving a heat shrinkable tube on the welding part, and forming a sealed plastic shell by injection molding of the welding part by using a mold, or any combination of the three schemes. As a preferable mode, as shown in fig. 14, the coil assembly in this embodiment is formed by coating a sealant for preventing oxidation of the welding portion on the butt-welding portion of the enameled wire and the connection terminal, and then performing injection molding on the entire coil assembly to form the plastic package 6 for wrapping the enameled wire and the butt-welding portion and preventing oxidation of the enameled wire and the butt-welding portion.
The utility model discloses binding post's fixed terminal pushes down the back and the direction of going into, going out direction and orientation binding post body that the enameled wire passed through is opened at least with the space that the portion of working a telephone switchboard pressed down, and the fixed part pushes down the back and the space that the portion of working a telephone switchboard pressed on main cross-section, towards binding post body's direction crescent/reduce gradually. The enameled wire that sets up on wiring portion post receives the pressure extrusion back of fixed terminal, and the enameled wire can be followed a plurality of directions and extended, avoids the enameled wire to be pressed absolutely, and applicable enameled wire butt-joint in multiple line footpath is connected.
Example two
Fig. 9 to 12 are schematic structural views of the connection terminal of the second embodiment.
The difference characteristics of the wiring terminal of the scheme and the wiring terminal of the first embodiment are as follows: fixed terminal 1.3 among this binding post is the sheetmetal of joint on wiring portion 1.2.1, and fixed terminal is including fixed part 1.3.1 and push down connecting portion 1.3.2, and fixed terminal passes through the fixed part joint in wiring portion. As an embodiment, as shown in fig. 10 and 11, the fixing portion 1.3.1 is a U-shaped slot, and the fixing terminal 1.3 is clamped on the wire connecting portion 1.2.1 through the U-shaped slot. The downward pressing connection part 1.3.2 of the fixed terminal can be connected in a downward pressing mode towards the wire connection part 1.2.1, and the enameled wire is connected to the wire connection part in a clinging mode. After the fixed terminal connects the enameled wire to the wiring part in a close-fitting manner, the wiring terminal and the enameled wire are connected by butt-welding through the upper electrode 4 and the lower electrode 5 on the exposed surfaces of the wiring part 1.2.1 and the fixed terminal 1.3, so that the wiring terminal and the enameled wire form a conducting circuit.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (11)
1. A terminal, comprising:
the wiring terminal body is a metal body which can be in conductive connection with an external power supply;
the binding post is electrically connected and fixed to the binding post body and is electrically connected with the wiring end of the enameled wire; characterized in that, the terminal includes:
the wiring part is used for the wiring end of the enameled wire to pass through along the surface of the enameled wire;
the fixed terminal can be pressed down towards the wire connecting part to clamp the wire connecting end of the enameled wire between the wire connecting part and the fixed terminal; and, the space between the fixed terminal and the wire connecting part after being pressed down:
-open at least in the direction of said passing in, out and towards the terminal body;
after the fixed terminal is pressed down, the section of the space between the fixed terminal and the wiring part, which is perpendicular to the crossing direction of the enameled wire, is gradually enlarged or reduced towards the direction of the wiring terminal body.
2. The connection terminal according to claim 1, wherein: and the side of the wire connecting part, which is perpendicular to the crossing direction of the enameled wire, opposite to the fixed terminal is step-shaped or inclined.
3. The connection terminal according to claim 1, wherein: the wiring terminal body is a rectangular metal sheet, and the direction of the wide surface of the rectangular metal sheet faces to a space clamped with the wiring part after the fixed terminal is pressed down.
4. The connection terminal according to claim 1, wherein: the fixed terminal is the sheetmetal of joint on wiring portion, the fixed terminal is including fixed part and push down connecting portion, the fixed terminal passes through the fixed part joint on wiring portion.
5. The connection terminal according to claim 1, wherein: the fixed terminal is integrally formed with the wiring portion.
6. The connection terminal according to claim 5, wherein: the fixed terminal is a metal sheet which extends from the end face of the wiring part, which is farthest away from the wiring terminal body, to the direction of the wiring terminal body and forms an acute angle with the wiring part.
7. The connection terminal according to claim 1, wherein: the fixed terminal is connected the face relative with the wiring portion under-pressure and is the face of connecting for pushing down after pushing down the connection, the face of connecting the face is the wiring face for pushing down relatively of wiring portion, wiring face or/and push down and connect the face and be equipped with the dogtooth.
8. The connection terminal according to claim 1, wherein: and the fixed terminal is arranged on the cross section of the wire connection part, which is perpendicular to the crossing direction of the enameled wire, and the side of the fixed terminal, which is opposite to the wire connection part, is in a step shape or an inclined shape.
9. The connection terminal according to claim 1, wherein: the binding post further comprises a head winding post at the top.
10. A coil component using a connection terminal is characterized in that: the enameled wire comprises an enameled wire, a coil frame and the wiring terminal as claimed in any one of claims 1 to 9, wherein the enameled wire comprises a wiring end, the wiring end is arranged on the wiring part, the fixed terminal is in compression joint with the wiring end and the wiring part, and the wiring end is in butt-welding connection with the fixed terminal and the wiring part.
11. The coil assembly of claim 10, wherein: the enameled wire further comprises an insulating part, and the insulating part covers and seals at least the butt-welding part of the enameled wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921485729.7U CN210516441U (en) | 2019-09-06 | 2019-09-06 | Terminal block and coil assembly using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921485729.7U CN210516441U (en) | 2019-09-06 | 2019-09-06 | Terminal block and coil assembly using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516441U true CN210516441U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921485729.7U Active CN210516441U (en) | 2019-09-06 | 2019-09-06 | Terminal block and coil assembly using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516441U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597686A (en) * | 2022-03-16 | 2022-06-07 | 卧龙电气驱动集团股份有限公司 | Connecting terminal, motor and connecting method |
| CN117629429A (en) * | 2023-11-30 | 2024-03-01 | 北京锦驰泰达科技有限公司 | Intelligent temperature measuring terminal for power distribution |
-
2019
- 2019-09-06 CN CN201921485729.7U patent/CN210516441U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114597686A (en) * | 2022-03-16 | 2022-06-07 | 卧龙电气驱动集团股份有限公司 | Connecting terminal, motor and connecting method |
| CN117629429A (en) * | 2023-11-30 | 2024-03-01 | 北京锦驰泰达科技有限公司 | Intelligent temperature measuring terminal for power distribution |
| CN117629429B (en) * | 2023-11-30 | 2024-05-03 | 北京锦驰泰达科技有限公司 | Intelligent temperature measuring terminal for power distribution |
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