CN209843615U - Relay coil assembly - Google Patents
Relay coil assembly Download PDFInfo
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- CN209843615U CN209843615U CN201920578940.7U CN201920578940U CN209843615U CN 209843615 U CN209843615 U CN 209843615U CN 201920578940 U CN201920578940 U CN 201920578940U CN 209843615 U CN209843615 U CN 209843615U
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Abstract
The utility model discloses a relay coil assembly, which comprises a coil rack, an enameled wire, coil pins and a signal wire; the coil pin comprises an inserting part, an enameled wire fixing part and a signal wire fixing part, and the signal wire fixing part is provided with a first clamping groove with a downward opening; the signal line is clamped in the first card slot; the edge of one of the two side groove walls of the first clamping groove, which corresponds to the opening, is provided with a barb, and the matching position of one of the two side groove walls of the first clamping groove, which corresponds to the signal line, is also provided with an inclined surface section which enables the opening to be gradually increased from inside to outside. The utility model discloses the drawback of having avoided prior art's relay coil assembly's coil pin and signal line to adopt the welding to fix mutually to can guarantee the firm reliability of being connected of signal line and relay coil assembly's coil pin.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a relay coil assembly.
Background
A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
A relay generally includes a coil assembly including a bobbin having a winding window, an enamel wire wound around the winding window of the bobbin, and a coil pin mounted on the bobbin, wherein one part of the structure of the coil pin extends into the winding window of the bobbin for connection with the enamel wire, and the other part of the structure of the coil pin extends out of the bobbin for connection with a driving signal (i.e., a control signal) to operate the enamel wire under the driving of the driving signal. In the coil pins of the relay coil assembly in the prior art, two main ways for connecting with a driving signal are provided, one is to design a structure for connecting with the driving signal in the coil pins into a plug pin, the driving signal is introduced into a slot structure, and the driving signal is connected to an enameled wire by matching the plug pin of the coil pins of the coil assembly with the slot structure; the other method is that a structure used for being connected with a driving signal in a coil pin is designed into a welding pin, the driving signal is introduced into a signal wire, and the signal wire is lapped on the welding pin of the coil assembly to be directly welded and connected, so that the driving signal is connected to the enameled wire. For the structure of leading in the drive signal with the signal line, because adopted and put up the signal line on the welding foot and directly weld, produce the rosin joint easily, can cause the relay not work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a relay coil assembly, through the institutional advancement to relay coil assembly, avoided prior art's relay coil assembly's coil pin and signal line to adopt the drawback that the welding was fixed mutually to can guarantee the firm reliability of being connected of signal line and relay coil assembly's coil pin.
The utility model provides a technical scheme that its technical problem adopted is: a relay coil assembly includes a bobbin, an enameled wire, a coil pin and a signal wire; flanges are respectively arranged at two ends of the coil rack, a winding window of the coil rack is formed between the two flanges, and the enameled wire is wound in the winding window; the coil pin comprises an insertion part, an enameled wire fixing part and a signal wire fixing part, and is inserted into a flange at one end of the coil rack through the insertion part; the signal wire fixing part is provided with a first clamping groove with a downward opening; the signal line is clamped in the first card slot; the edge of one of the two side groove walls of the first clamping groove, which corresponds to the opening, is provided with a barb, and the matching position of one of the two side groove walls of the first clamping groove, which corresponds to the signal line, is also provided with an inclined surface section, which enables the opening to be gradually increased from inside to outside, so that the signal line is extruded into the first clamping groove by utilizing the inclined surface section when force is applied to the outside of the one of the two side groove walls provided with the barb, and the signal line is prevented from falling off by utilizing the barb.
And the signal wire is clamped in the first clamping groove of the coil pin and then is fixed with the coil pin in a welding mode.
In the first clamping groove, the groove wall provided with the inclined surface section and the groove wall provided with the barb are the same side groove wall, and the groove wall on the other side of the first clamping groove is a straight-surface-shaped wall.
The barb is one.
The barb is two or more, and the two or more barbs are arranged inwards from the opening edge in sequence.
Furthermore, the coil pin further comprises an electronic component fixing part, and the electronic component fixing part is provided with a second clamping groove with a downward opening; and the second clamping groove is arranged at the side edge of the first clamping groove.
The straight-surface-shaped wall of the first clamping groove is closer to the second clamping groove than the groove wall of the inclined-surface section of the first clamping groove.
The coil pins are of a sheet structure; the axis of the iron core mounting hole of the coil frame is horizontally arranged; the middle upper part of the coil pin is the plug-in part and is matched in the matching groove of the flange at one end of the coil frame; the lower part of the coil pin is provided with a signal wire fixing part and an electronic element fixing part; the middle part of the coil pin extends towards one side to form the enameled wire fixing part, and the coil pin is inserted into the coil rack and then bends towards a winding window of the coil rack.
The enameled wire fixing part of the coil pin is further provided with a first tooth-shaped structure which is convenient for positioning and winding the enameled wire.
And a second tooth-shaped structure used for realizing interference fit of the matching groove of the coil rack is also arranged in the plug-in part of the coil pin.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses owing to adopted being equipped with the barb corresponding to the opening border of one of them side cell wall in the both sides cell wall of the first draw-in groove of coil pin, the cooperation position department corresponding to the signal line of one of them side cell wall in the both sides cell wall of first draw-in groove still establishes to make the opening be the inclined plane section that increases gradually from inside to outside to being equipped with the barb outside application of force of one of them side cell wall during utilize the inclined plane section will the signal line extrusion in the first draw-in groove and utilize the barb prevents the signal line is deviate from. The utility model discloses a this kind of structure is handled through being the inclined plane in first draw-in groove, form an inverse triangle district in other words, flexible signal line is pressed in first draw-in groove back along barb border position department from the opening part of first draw-in groove, extrude through the outside to one side cell wall that has the barb of first draw-in groove, the barb that makes this side cell wall takes place to warp to opposite side cell wall direction, make the inslot space diminish, signal line is interference fit with first draw-in groove, thereby the realization blocks the signal line, make it be difficult to drop.
2. The utility model discloses owing to adopted the signal line to splice still make signal line and coil pin fixed mutually through the welding mode behind the first draw-in groove of coil pin. The utility model discloses a this kind of structure forms the joint and adds welded dual fail-safe, can not appear rosin joint, makes being connected of signal line and coil pin more reliable.
3. The utility model discloses owing to adopted still to be equipped with the first profile of tooth structure of being convenient for location and winding enameled wire at the enameled wire fixed part of coil pin. The utility model discloses a starting position of first round enameled wire is controlled to this kind of structure, utilizes first profile of tooth structure, when bending again around good enameled wire, can avoid enameled wire and coil former to overlap mutually, prevents that the enameled wire from being blocked.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the above embodiments.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of section A of FIG. 1;
fig. 3 is a schematic view of the coil frame and the coil pins according to the first embodiment of the present invention;
FIG. 4 is an enlarged schematic view of section B of FIG. 3;
fig. 5 is a schematic perspective view of a coil pin according to a first embodiment of the present invention;
fig. 6 is a schematic view of the coil frame, the enameled wire and the coil pin according to the first embodiment of the present invention;
FIG. 7 is an enlarged schematic view of section C of FIG. 6;
fig. 8 is a first schematic view illustrating a process of installing a signal line into a coil pin according to a first embodiment of the present invention;
fig. 9 is a schematic diagram of a process of mounting a signal line into a coil pin according to a first embodiment of the present invention;
fig. 10 is a third schematic view illustrating a process of mounting a signal line into a coil pin according to a first embodiment of the present invention;
fig. 11 is a schematic structural diagram of an electronic component according to a first embodiment of the present invention;
fig. 12 is a schematic diagram of the electronic component according to the first embodiment of the present invention being matched with the coil pin;
fig. 13 is a schematic perspective view of a coil pin according to a second embodiment of the present invention.
Detailed Description
Example one
Referring to fig. 1 to 12, a relay coil assembly of the present invention includes a coil frame 1, an enamel wire 2, a coil pin 3 and a signal wire 4; two ends of the coil rack 1 are respectively provided with a flange 11, a winding window 12 of the coil rack is formed between the two flanges 11, and the enameled wire 2 is wound in the winding window 12; the coil pin 3 comprises an insertion part 31, an enameled wire fixing part 32 and a signal wire fixing part 33, and the coil pin 3 is inserted into the flange 11 at one end of the coil rack 1 through the insertion part 31; the signal line fixing part 33 is provided with a first card slot 331 with a downward opening; the signal wire 4 is clamped in the first clamping slot 331; an inverted hook 332 is arranged at the edge of the opening corresponding to one of the two side walls of the first locking groove 331, and an inclined section 333 with an opening gradually increasing from inside to outside is further arranged at the matching position of the signal line corresponding to one of the two side walls of the first locking groove 331, so that when a force is applied to the outside of the one of the two side walls provided with the inverted hook, the signal line 4 is extruded into the first locking groove 331 by the inclined section 333 and the inverted hook 332 is used to prevent the signal line 4 from coming off from the first locking groove 331.
In this embodiment, the signal line 4 is clamped in the first clamping groove 331 of the coil pin 3, and then the signal line 4 and the coil pin 3 are fixed by welding.
In this embodiment, in the first locking groove 331, a groove wall provided with the inclined surface section 333 and a groove wall provided with the barb 332 are the same side groove wall, and the other side groove wall of the first locking groove 331 is a straight wall.
In this embodiment, there are two barbs 332, and the two barbs 332 are arranged in sequence from the opening edge inward.
Further, the coil pin 3 further includes an electronic component fixing portion 34, and the electronic component 5 is a resistor or a diode; the electronic component fixing part 34 is provided with a second card slot 341 with a downward opening; and the second card slot 341 is disposed at a side of the first card slot 331.
In this embodiment, the straight wall of the first slot 331 is closer to the second slot 341 than the slot wall of the inclined section 333 of the first slot 331.
In this embodiment, the coil pin 3 has a sheet structure; the axis of the iron core mounting hole 13 of the coil frame 1 is horizontally arranged; the middle upper part of the coil pin 3 is the plug part 31 and is matched in the matching groove 14 of the flange 11 at one end of the coil frame 1; the lower part of the coil pin 3 is a signal wire fixing part 33 and an electronic component fixing part 34; the middle part of the coil pin 3 extends towards one side to form the enameled wire fixing part 32, and the coil pin 3 is inserted into the winding frame 1 and then bends towards the winding window 12 of the winding frame.
In this embodiment, the enamel wire fixing portion 32 of the coil pin 3 is further provided with a first tooth-shaped structure 321 for positioning and winding the enamel wire.
In this embodiment, the insertion portion 31 of the coil pin 3 is further provided with a second tooth-shaped structure 311 for implementing interference fit with the fitting groove of the coil frame.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a relay coil assembly has adopted being equipped with barb 332 corresponding to the opening border of one of them side cell wall in the both sides cell wall of first draw-in groove 331 of coil pin 3, the cooperation position department corresponding to the signal line of one of them side cell wall in the both sides cell wall of first draw-in groove 331 still establishes to make the opening be the inclined plane section 333 that increases gradually from inside to outside to being equipped with the barb outside application of force of one of them side cell wall during utilize inclined plane section 333 will the signal line extrusion in first draw-in groove 331 and utilize barb 332 prevents signal line 4 is deviate from. The utility model discloses a this kind of structure, through having in first draw-in groove 331 to do the inclined plane and handle, form an inverted triangle district in other words, flexible signal line is followed the opening part of first draw-in groove and is pressed in first draw-in groove 331 back along barb 332 border position department, extrude through the outside to one side cell wall that has the barb of first draw-in groove 331, barb 332 to opposite side cell wall direction that makes this side cell wall takes place to warp, make the inslot space diminish, signal line 4 is interference fit with first draw-in groove 331, thereby the realization is blocked signal line 4, make it be difficult to drop.
The utility model discloses a relay coil assembly has adopted 4 joints of signal line to be in still make signal line 4 and coil pin 3 fixed mutually through the welding mode behind coil pin 3's the first draw-in groove 331. The utility model discloses a this kind of structure forms the joint and adds welded dual fail-safe, can not appear rosin joint, makes being connected of signal line and coil pin more reliable.
The utility model discloses a relay coil assembly has adopted still to be equipped with the first profile of tooth structure 321 of being convenient for location and winding enameled wire at the enameled wire fixed part 32 of coil pin 3. The utility model discloses a starting position of first round enameled wire is controlled to this kind of structure, utilizes first profile of tooth structure 321, when bending again around having enameled wire 4 after, can avoid enameled wire 4 and coil former 1 to overlap mutually, prevents that enameled wire 4 from being blocked.
Example two
Referring to fig. 13, a relay coil assembly according to the present invention is different from the first embodiment in that there is only one barb 332.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A relay coil assembly includes a bobbin, an enameled wire, a coil pin and a signal wire; flanges are respectively arranged at two ends of the coil rack, a winding window of the coil rack is formed between the two flanges, and the enameled wire is wound in the winding window; the coil pin comprises an insertion part, an enameled wire fixing part and a signal wire fixing part, and is inserted into a flange at one end of the coil rack through the insertion part; the signal wire fixing part is provided with a first clamping groove with a downward opening; the signal line is clamped in the first card slot; the method is characterized in that: the edge of one of the two side groove walls of the first clamping groove, which corresponds to the opening, is provided with a barb, and the matching position of one of the two side groove walls of the first clamping groove, which corresponds to the signal line, is also provided with an inclined surface section, which enables the opening to be gradually increased from inside to outside, so that the signal line is extruded into the first clamping groove by utilizing the inclined surface section when force is applied to the outside of the one of the two side groove walls provided with the barb, and the signal line is prevented from falling off by utilizing the barb.
2. The relay coil assembly of claim 1, wherein: and the signal wire is clamped in the first clamping groove of the coil pin and then is fixed with the coil pin in a welding mode.
3. The relay coil assembly of claim 1 or 2, wherein: in the first clamping groove, the groove wall provided with the inclined surface section and the groove wall provided with the barb are the same side groove wall, and the groove wall on the other side of the first clamping groove is a straight-surface-shaped wall.
4. The relay coil assembly of claim 3, wherein: the barb is one.
5. The relay coil assembly of claim 3, wherein: the barb is two or more, and the two or more barbs are arranged inwards from the opening edge in sequence.
6. The relay coil assembly of claim 3, wherein: furthermore, the coil pin further comprises an electronic component fixing part, and the electronic component fixing part is provided with a second clamping groove with a downward opening; and the second clamping groove is arranged at the side edge of the first clamping groove.
7. The relay coil assembly of claim 6, wherein: the straight-surface-shaped wall of the first clamping groove is closer to the second clamping groove than the groove wall of the inclined-surface section of the first clamping groove.
8. The relay coil assembly of claim 6, wherein: the coil pins are of a sheet structure; the axis of the iron core mounting hole of the coil frame is horizontally arranged; the middle upper part of the coil pin is the plug-in part and is matched in the matching groove of the flange at one end of the coil frame; the lower part of the coil pin is provided with a signal wire fixing part and an electronic element fixing part; the middle part of the coil pin extends towards one side to form the enameled wire fixing part, and the coil pin is inserted into the coil rack and then bends towards a winding window of the coil rack.
9. The relay coil assembly of claim 8, wherein: the enameled wire fixing part of the coil pin is further provided with a first tooth-shaped structure which is convenient for positioning and winding the enameled wire.
10. The relay coil assembly of claim 8, wherein: and a second tooth-shaped structure used for realizing interference fit of the matching groove of the coil rack is also arranged in the plug-in part of the coil pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920578940.7U CN209843615U (en) | 2019-04-25 | 2019-04-25 | Relay coil assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920578940.7U CN209843615U (en) | 2019-04-25 | 2019-04-25 | Relay coil assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209843615U true CN209843615U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920578940.7U Active CN209843615U (en) | 2019-04-25 | 2019-04-25 | Relay coil assembly |
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| CN (1) | CN209843615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459438A (en) * | 2019-04-25 | 2019-11-15 | 厦门宏发汽车电子有限公司 | A kind of relay coil component |
| WO2020216321A1 (en) * | 2019-04-25 | 2020-10-29 | 厦门宏发汽车电子有限公司 | Relay coil assembly |
-
2019
- 2019-04-25 CN CN201920578940.7U patent/CN209843615U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459438A (en) * | 2019-04-25 | 2019-11-15 | 厦门宏发汽车电子有限公司 | A kind of relay coil component |
| WO2020216321A1 (en) * | 2019-04-25 | 2020-10-29 | 厦门宏发汽车电子有限公司 | Relay coil assembly |
| US11929224B2 (en) | 2019-04-25 | 2024-03-12 | Xiamen Hongfa Automotive Electronics Co., Ltd. | Relay coil assembly |
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