CN222380854U - Binding post and electrical equipment - Google Patents
Binding post and electrical equipment Download PDFInfo
- Publication number
- CN222380854U CN222380854U CN202420997103.9U CN202420997103U CN222380854U CN 222380854 U CN222380854 U CN 222380854U CN 202420997103 U CN202420997103 U CN 202420997103U CN 222380854 U CN222380854 U CN 222380854U
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- Prior art keywords
- wire
- wire pressing
- terminal
- frame
- pressing structure
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- 238000002788 crimping Methods 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model provides a wiring terminal and electrical equipment, wherein the wiring terminal comprises a wiring frame, a driving piece and a wire pressing structure, the wiring frame is provided with a threading space for a wire to pass through, the wire pressing structure is assembled on the wiring frame in a swinging mode, the driving piece acts on the wire pressing structure to drive the wire pressing structure to swing towards the threading space, the wire pressing structure is provided with a compression joint surface corresponding to the threading space, and a wire extending from a swinging fulcrum to the swinging tail end of the compression joint surface accords with an Archimedes spiral line. The wire pressing positions of wires with different diameters are kept uniform, the wire connection depth of the wires is reduced, and the size of the terminal is reduced. And the wires with different diameters are tangent to the spiral line when being installed, so that the wiring stability can be improved.
Description
Technical Field
The utility model relates to the field of electrical equipment, in particular to a wiring terminal and electrical equipment.
Background
The electrical equipment (ELECTRICAL EQUIPMENT) is a generic term for equipment such as generators, transformers, power lines, and circuit breakers in a power system.
The electric equipment is usually connected with a circuit through a wiring terminal, CN206947553U discloses a connector wire pressing module, which comprises a wire pressing swing block and a wire pressing shell, wherein a cavity is formed in the wire pressing shell, a screw hole and a wire inlet are formed in one side wall of the wire pressing shell, arc clamping grooves are formed in two side walls perpendicular to the side wall where the screw hole is formed in the wire pressing shell, the wire pressing swing block comprises an arc pressing block arranged in the cavity, arc clamping blocks fixedly connected with the arc pressing block and movably hung on the two arc clamping grooves, a wire pressing screw which extends into the cavity and drives the arc pressing block to rotationally press a wire in contact with a conductive inserting piece is arranged in the screw hole, and the wire pressing swing block is driven to press the wire in a screwing mode. The crimping end of the line pressing swinging block is a convex end, when wires with different diameters are crimped, the wires are defined to be inserted from top to bottom, the crimping position of a thick wire is at a lower position, which means that the wires need to be inserted deeper to be effectively crimped, the crimping position of a thin wire is at a higher position, and the risks of unstable crimping are possibly caused by different crimping positions of the wires with different diameters.
Disclosure of utility model
To solve the above problems, the present utility model provides a connection terminal and an electrical device.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
A wiring terminal comprises a wiring frame, a driving piece and a wire pressing structure, wherein the wiring frame is provided with a threading space for a wire to pass through, the wire pressing structure is assembled on the wiring frame in a swinging mode, the driving piece acts on the wire pressing structure to drive the wire pressing structure to swing towards the threading space, the wire pressing structure is provided with a compression joint surface corresponding to the threading space, and a wire extending from a swinging fulcrum to the swinging tail end of the compression joint surface accords with an Archimedean spiral line.
Further, the crimping surface of the crimping structure is provided with crimping teeth.
Furthermore, the press-connection surface of the press-connection structure is recessed with a plurality of concave parts, and the press-connection tooth parts are formed between the adjacent concave parts.
Further, the number of the crimping teeth is plural, and the crimping teeth are distributed along the swinging fulcrum toward the swinging tail end.
Further, the wire frame is provided with at least a first side opening and a second side opening adjacent to the first side opening, the first side opening of the wire frame is provided with a wire pressing plate, the wire threading space is located between the wire pressing structure and the wire pressing plate, and the second side opening is used as a wire inserting opening to be communicated with the wire threading space.
Further, the line ball structure includes line ball piece and the connection pedestal that is connected, the connection pedestal is assembled on the wire frame so that line ball piece swings with the connection pedestal as the fulcrum, line ball piece corresponds a side of line ball board and is the crimping face.
Further, a receiving notch is recessed in one opposite side of the wire frame, and two ends of the connecting shaft post are assembled in the receiving notch in the opposite side.
Further, the line ball board includes line ball plate body and connects the dovetailed connecting portion on a pair of opposite sides of line ball plate body, the dovetailed mounting mouth has been seted up on a pair of opposite sides of wire frame, connecting portion fixed assembly is in the dovetailed mounting mouth of wire frame.
Further, the surface of one side of the thread pressing plate facing the threading space is provided with a plurality of concave parts.
Further, the driving piece is a pan head screw which is in threaded connection with the wire frame and is abutted against the wire pressing structure.
An electrical device comprising at least the above-mentioned terminal.
The technical scheme provided by the utility model has the following beneficial effects:
The crimping surface of the wire pressing structure is designed to be in line with an Archimedes spiral line extending from the swinging fulcrum to the swinging tail end, so that the wire pressing positions of wires with different diameters are kept uniform, the wire connection depth of the wires is reduced, and the terminal size is reduced. And the wires with different diameters are tangent to the spiral line when being installed, so that the wiring stability can be improved.
Drawings
Fig. 1 is a schematic perspective view of a connecting terminal in an embodiment;
FIG. 2 is an exploded view of the terminal in an embodiment;
FIG. 3 is a schematic diagram of a structure of a wire pressing structure in an embodiment;
FIG. 4 is a cross-sectional view of the terminal in an embodiment without a wire inserted;
fig. 5 is a cross-sectional view showing the connection terminal in the embodiment when a wire is inserted;
Fig. 6 is a cross-sectional view of the terminal in an embodiment when another wire is inserted.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", and the like are used for convenience of description and simplicity of operation only, and do not denote or imply that the apparatus or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The utility model will now be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 4, the present embodiment provides a connection terminal, which includes a connection frame 10, a driving member 30 and a wire pressing structure 20, wherein the connection frame 10 has a threading space 101 through which a wire 1 is threaded, the wire pressing structure 20 is swingably assembled on the connection frame 10, the driving member 30 acts on the wire pressing structure 20 to drive the wire pressing structure 30 to swing towards the threading space 101, specifically, the wire pressing structure 20 has a pressing surface 23 corresponding to the threading space 101, and a wire extending from a swinging fulcrum o to a swinging end e of the pressing surface 23 conforms to an archimedes spiral line a. It is understood that the oscillation fulcrum o corresponds to the center start point of the archimedes 'spiral a, and that the line of the crimp surface 23 extending from the oscillation fulcrum o to the oscillation end e is one of the line segments of the archimedes' spiral a.
The wire connection operation is as follows, as shown in fig. 5 and 6, the wire 1 is inserted into the threading space 101 of the wire frame 10, and then the wire pressing structure 20 is driven to swing towards the threading space 101 by operating the driving member 30 until the press-contact surface 23 of the wire pressing structure 20 is pressed against the wire 1, so as to clamp and fix the wire 1.
The crimp surface 23 of the wire pressing structure 20 is designed such that the wire extending from the swing fulcrum o to the swing end e conforms to the archimedes spiral a, so that the wire pressing positions of the wires 1 with different diameters are kept uniform, for example, the crimp positions can be kept at substantially the same height when the thick wire (as shown in fig. 5) and the thin wire (as shown in fig. 6) are crimped, and thus, the wire connection depth can be effectively reduced and the terminal size can be reduced for the thicker wire 1. And the wires 1 with different diameters are tangential to the Archimedes spiral a during installation, so that the wiring stability can be improved.
Further, in this embodiment, in order to better achieve the crimping of the wire 1, the crimp surface 23 of the crimp structure 20 has a crimp tooth 202, specifically, the crimp surface 23 of the crimp structure 20 is recessed with a plurality of recesses 201, and the crimp tooth 202 is formed between adjacent recesses 201, that is, the crimp tooth 202 is formed by designing the recesses 201 on the crimp surface 23. The crimping teeth 202 are in crimping fit with the wire 1, and certain snap fit is formed between the crimping teeth and the wire 1, so that crimping is more stable.
The number of the crimping teeth 202 is plural, and the crimping teeth are distributed along the swinging fulcrum o towards the swinging tail end e, so that the crimping teeth 202 can be matched when wires 1 with different diameters are crimped.
Of course, in other embodiments, the crimp surface 23 of the crimping structure 20 may not be configured as the crimp teeth 202, i.e., the entire crimp surface 23 is a smooth, complete surface.
The wire frame 10 is provided with at least a first side opening 104 and a second side opening 102 adjacent to the first side opening 104, the first side opening 104 of the wire frame 10 is provided with the wire pressing plate 40, the wire passing space 101 is positioned between the wire pressing structure 20 and the wire pressing plate 40, and the second side opening 102 is used as a wire inserting opening to be communicated with the wire passing space 101. Specifically, in this embodiment, the wire frame 10 is a hollow frame formed by a front side plate 11, a rear side plate 12, an upper side plate 13 and a lower side plate 14, the first side opening 104 is a right side opening, the second side opening 102 is an adjacent upper side opening, the wire 1 is inserted into the threading space 101 through the upper side opening, the wire pressing structure 20 is driven to be pressed against the wire 1 by the driving member 30, and the wire 1 is clamped between the wire pressing structure 20 and the wire pressing plate 40. The first side opening 104 of the wire frame 10 is configured to facilitate the assembly of the wire clamping structure 20 into the wire frame 10 and then the installation of the wire clamping plate 40. Meanwhile, the structure of the line ball board 40 is increased, and the line ball board 40 can also bear current carrier fluid for carrying current.
In this embodiment, the wire pressing structure 20 includes a wire pressing block 22 and a connection shaft post 21 that are connected, the connection shaft post 21 is assembled on the wire frame 10 to enable the wire pressing block 22 to swing with the connection shaft post 21 as a fulcrum, and a side surface of the wire pressing block 22 corresponding to the wire pressing plate 40 is a press-contact surface 23. Specifically, the pressing line block 22 and the connecting shaft post 21 are of an integral connecting structure.
Further, the wire frame 10 is recessed with receiving notches 15 on one opposite side (i.e., the front side plate 11 and the rear side plate 12), and both ends of the connecting shaft post 21 are fitted into the receiving notches 15 on the opposite side. One of the installation modes is that two ends of a connecting shaft post 21 are respectively installed in the accommodating gaps 15 of the front side plate 11 and the rear side plate 12, the wire pressing block 22 is installed in the wire frame 10 through the first side opening 104 and the second side opening 102, and then the wire pressing plate 40 is assembled, so that simple installation is realized.
Specifically, the wire pressing plate 40 includes a wire pressing plate body 41 and dovetail-shaped connection portions 42 connected to opposite sides (i.e., front and rear sides) of the wire pressing plate body 41, dovetail-shaped mounting openings 103 are formed on opposite sides (i.e., front side plate 11 and rear side plate 12) of the wire frame 10, and the connection portions 42 are fixedly assembled in the dovetail-shaped mounting openings 103 of the wire frame 10. The dovetail-shaped fixed mounting structure is adopted, so that the mounting is firmer.
The wire pressing plate 40 has a plurality of concave portions 43 recessed toward the wire passing space 101, and specifically, the concave portions 43 are bar-shaped concave portions extending in the width direction (i.e., the front-rear direction) of the wire pressing plate 40 and perpendicular to the insertion direction of the wire 1, so that contact friction with the wire 1 can be increased, and the press-connection stability of the wire 1 is improved.
Of course, in other embodiments, the wire clamping plate 40 and the front side plate 11 and the rear side plate 12 of the wire clamping frame 10 may be integrally connected when the wire clamping structure 20 is assembled to the wire clamping frame 10 in other manners.
Further, the driving member 30 is a pan head screw 31, and the pan head screw 31 is screwed on the wire frame 10 and abuts against the wire pressing structure 20. As shown in fig. 4, the right side surface of the wire pressing structure 20 is a press-connection surface 23, the pan head screw 31 is screwed on the upper side plate 13 of the wire frame 10 and is located at the left side position of the connecting shaft post 21, the pan head screw 31 abuts against the left end portion of the wire pressing structure 20, and the left side end of the wire pressing structure 20 is driven to move downwards by screwing the pan head screw 31, so that the wire pressing structure 20 swings from left to right, and press-connection of the wire 1 is realized.
By driving the pan head screw 31, it is possible to realize stepless adjustment, and to adapt crimping of the wires 1 of different diameter sizes. At the same time, the pan head screw 31 can provide a larger wiring torque. And because the line that the crimping surface 23 extends from the swinging fulcrum o to the swinging tail end e accords with the design of the Archimedes spiral line a, wires 1 with different diameters are always tangent to the crimping surface 23 when being installed, so that the torque force of the pan head screw 31 can be effectively transmitted, and the wiring reliability is further improved.
Of course, in other embodiments, other components capable of driving the wire pressing structure to swing may be used for the driving member 30.
The embodiment also provides an electrical device, which at least comprises the wiring terminal.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (11)
1. A wiring terminal comprises a wiring frame, a driving piece and a wire pressing structure, wherein the wiring frame is provided with a threading space for a wire to pass through, the wire pressing structure is assembled on the wiring frame in a swinging mode, and the driving piece acts on the wire pressing structure to drive the wire pressing structure to swing towards the threading space, and the wiring terminal is characterized in that the wire pressing structure is provided with a crimping surface corresponding to the threading space, and wires extending from a swinging fulcrum to the swinging tail end of the crimping surface accord with an Archimedes spiral line.
2. The terminal of claim 1, wherein the crimp face of the crimp structure has crimp teeth.
3. The terminal of claim 2, wherein the crimp face of the wire pressing structure is recessed with a plurality of recesses, and the crimp teeth are formed between adjacent recesses.
4. The terminal as set forth in claim 2 or 3, wherein the number of the crimping teeth is plural and distributed along the swing fulcrum toward the swing end.
5. The terminal of claim 1, wherein the wire frame has at least a first side opening and a second side opening adjacent to the first side opening, the first side opening of the wire frame is equipped with a wire pressing plate, the wire threading space is located between the wire pressing structure and the wire pressing plate, and the second side opening is used as a wire insertion opening to communicate with the wire threading space.
6. The terminal of claim 1 or 5, wherein the wire pressing structure comprises a wire pressing block and a connecting shaft post which are connected, the connecting shaft post is assembled on the wire connecting frame so that the wire pressing block swings with the connecting shaft post as a fulcrum, and one side surface of the wire pressing block corresponding to the wire pressing plate is a press-contact surface.
7. The terminal of claim 6, wherein the wire frame has a receiving notch recessed in one of opposite sides thereof, and wherein the connecting posts have opposite ends that fit into the receiving notch on the opposite side.
8. The terminal of claim 5, wherein the wire pressing plate comprises a wire pressing plate body and dovetail-shaped connecting parts connected to one opposite side of the wire pressing plate body, wherein one opposite side of the wire frame is provided with dovetail-shaped mounting openings, and the connecting parts are fixedly assembled in the dovetail-shaped mounting openings of the wire frame.
9. The terminal according to claim 5 or 8, wherein the wire pressing plate has a plurality of concave parts on a side surface facing the wire passing space.
10. The connection terminal of claim 1, wherein the driving member is a pan head screw, and the pan head screw is screwed on the connection frame and abutted against the wire pressing structure.
11. An electrical device comprising at least a terminal according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420997103.9U CN222380854U (en) | 2024-05-09 | 2024-05-09 | Binding post and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420997103.9U CN222380854U (en) | 2024-05-09 | 2024-05-09 | Binding post and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222380854U true CN222380854U (en) | 2025-01-21 |
Family
ID=94254810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420997103.9U Active CN222380854U (en) | 2024-05-09 | 2024-05-09 | Binding post and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222380854U (en) |
-
2024
- 2024-05-09 CN CN202420997103.9U patent/CN222380854U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |