CN220357897U - High-reliability positioning device for wire-wound annular inductor - Google Patents
High-reliability positioning device for wire-wound annular inductor Download PDFInfo
- Publication number
- CN220357897U CN220357897U CN202321571115.7U CN202321571115U CN220357897U CN 220357897 U CN220357897 U CN 220357897U CN 202321571115 U CN202321571115 U CN 202321571115U CN 220357897 U CN220357897 U CN 220357897U
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- positioning
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- 239000003292 glue Substances 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims 2
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses a high-reliability positioning device for a wire-wound annular inductor, which comprises a base, an upper cover, a fixed end cover, a positioning tube and a movable end cover, wherein a base groove is formed in the upper surface of the base, an arc-shaped groove below the upper cover is an upper cover groove, a plurality of positioning bosses are respectively arranged on arc-shaped groove walls of the base groove and the upper cover groove, the positioning bosses are provided with glue filling through holes, the lower end of the fixed end cover is fixedly connected with one end of the base, and a stud of a locking screw is connected with a screw hole of a first positioning column of the fixed end cover after passing through a central through hole of a second positioning column of the movable end cover and a central through hole of the positioning tube. The utility model can realize the high-precision and high-reliability positioning function of the wire-wound toroidal inductor, and can ensure that the wire-wound toroidal inductor cannot loosen and shake even if the wire-wound toroidal inductor is used for positioning and fixing a large wire-wound toroidal inductor in a strong vibration environment, thereby ensuring the reliability of circuit connection, prolonging the service life of products and not damaging an inductance coil or an inductance magnetic core.
Description
Technical Field
The present utility model relates to positioning devices for toroidal inductors, and more particularly to a highly reliable positioning device for wire-wound toroidal inductors.
Background
Wire wound toroidal inductors and toroidal inductors are widely used in electronic devices. As shown in fig. 1, the wire-wound toroidal inductor includes a toroidal inductor core 1, and a plurality of inductor coils 2 are wound around the inductor core 1.
In use, the wire-wound toroidal inductor needs to be mounted within and positioned within the housing of the electronic device in order to accommodate the vibrating environment in operation and ensure that relevant tests such as vibration, shock, acceleration, etc. are passed.
The traditional positioning mode of the wire-wound toroidal inductor generally adopts epoxy resin adhesive fixation under the condition of low vibration resistance requirement and small volume, and adopts a mode of pressing the inductor coil by a pressing plate for fixation under the condition of high vibration resistance requirement, and also adopts a mode of pressing the inductor core by a bolt for fixation.
The traditional positioning mode of the wire-wound toroidal inductor is difficult to realize reliable positioning of the toroidal inductor when the inductor is large in mass and volume and is used in a strong vibration environment, the defects of loosening and shaking of the toroidal inductor exist, the reliability of circuit connection is affected, the service life of a product is shortened, and meanwhile the possibility of damaging an inductor coil or an inductor magnetic core also exists.
Disclosure of Invention
The utility model aims to solve the problems and provide a high-reliability positioning device for a wire-wound toroidal inductor, which can meet the application requirements of a strong vibration environment.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides a highly reliable positioner for wire wound annular inductance, includes base, upper cover, fixed end cover, registration arm and movable end cover, be equipped with convex and transversely link up the base recess above the base, the upper cover is convex and the lower convex recess is the upper cover recess that transversely link up, the base recess with the central angle of the cell wall arc face of upper cover recess all is less than 180, the base recess with be equipped with a plurality of positioning boss on the convex cell wall of upper cover recess respectively, the width of positioning boss is less than the gap width between two adjacent circles inductance coils of wire wound annular inductance, adjacent two of circumference arrangement the gap width between the positioning boss is greater than the external diameter of the inductance coils of wire wound annular inductance, the positioning boss is equipped with the encapsulating through-hole that both ends link up, the encapsulating through-hole intussuseption is filled with the adhesive, the both sides of upper cover with connect through connecting screw respectively between the both sides of base, vertical the lower extreme with the one end fixed end of base is fixed connection, one side of fixed end cover is equipped with the clearance width between the adjacent one side of wire wound annular inductance coil's adjacent two positioning post and the second positioning post, the first side of vertical positioning post and the second positioning post are equipped with the second positioning post and the locking post in the through-hole.
Preferably, in order to ensure that all parts of the periphery of the inductance magnetic core can be tightly supported and positioned, the high-reliability positioning device for the wire-wound annular inductance further comprises a plurality of U-shaped positioning pieces made of plastics, positioning piece through holes are formed in middle plates of the U-shaped positioning pieces, a plurality of U-shaped positioning pieces are respectively arranged on a plurality of positioning bosses, the width between two side plates of the U-shaped positioning pieces is smaller than the width of a gap between two adjacent coils of the wire-wound annular inductance, the width of a gap between two adjacent U-shaped positioning pieces which are circumferentially arranged is larger than the outer diameter of the inductance coils of the wire-wound annular inductance, positioning screw holes which are parallel to the glue filling through holes and are communicated at two ends are formed in the positioning bosses, studs of a plurality of positioning screws respectively penetrate through the positioning screw holes and tightly support the middle plates of the U-shaped positioning pieces, the positioning piece through holes of each U-shaped positioning piece are communicated with the corresponding glue filling through holes of the positioning bosses, and the glue filling holes are filled in the positioning pieces.
Preferably, in order to prevent the adhesive from falling off and further improve the positioning reliability, the adhesive filling through hole is formed by connecting two sections of through holes with different apertures, and the aperture of the through hole near the inner end is larger than that of the through hole near the outer end.
Preferably, in order to meet the positioning and mounting requirements of a plurality of wire-wound annular inductors, the high-reliability positioning device for the wire-wound annular inductors further comprises a plastic partition plate, wherein the partition plate is provided with a central through hole, the positioning pipe penetrates through the central through hole, the number of the upper covers is multiple, vertical partition plates are mounted between every two adjacent upper covers, and the partition plates are provided with heat dissipation through holes.
Preferably, in order to facilitate reliable connection between the upper cover and the base, two sides of the upper cover are respectively provided with a connecting part, the connecting part is provided with an upper cover connecting through hole, positions on the base corresponding to the upper cover connecting through holes are respectively provided with a base screw hole, and a plurality of studs of the connecting screws penetrate through the upper cover connecting through holes from top to bottom and then are connected with the base screw holes.
Preferably, in order to achieve a good heat dissipation effect, the upper cover is provided with an upper cover heat dissipation through hole, a plurality of upper cover heat dissipation through holes and a plurality of positioning bosses are arranged at intervals in the circumferential direction of the upper cover, and the fixed end cover and the movable end cover are respectively provided with a heat dissipation through hole.
Preferably, in order to achieve an insulation function and avoid scratching the wire-wound annular inductor, the base, the upper cover, the fixed end cover, the positioning tube and the movable end cover are all plastic pieces.
The utility model has the beneficial effects that:
according to the utility model, the base, the upper cover, the fixed end cover, the positioning pipe and the movable end cover which are connected with each other are designed, the purpose of clamping the wire-wound annular inductor is realized by utilizing the matching of the base groove on the base and the upper cover groove on the upper cover, the circumferential positioning function of the wire-wound annular inductor is realized by utilizing the positioning boss, the fixed end cover, the positioning pipe and the movable end cover are connected by utilizing the locking screw, the axial positioning function of the wire-wound annular inductor is realized, the tiny gaps between the inductor magnetic core of the wire-wound annular inductor and the upper cover and the base are filled by utilizing the adhesive, and finally, the high-precision and high-reliability positioning function of the wire-wound annular inductor is realized, and even if the wire-wound annular inductor is used for positioning and fixing the large wire-wound annular inductor in a strong vibration environment, the wire-wound annular inductor can not loosen and shake can be ensured, so that the circuit connection reliability is ensured, the service life of a product is prolonged, and the inductor coil or the inductor magnetic core can not be damaged.
Drawings
Fig. 1 is a perspective view of a wire-wound toroidal inductor;
fig. 2 is a perspective exploded view of the highly reliable positioning device for wire-wound toroidal inductors of the present utility model prior to assembly;
fig. 3 is a perspective view of the upper cover of the high reliability positioning device for wire wound toroidal inductors of the present utility model;
fig. 4 is a perspective view of a high reliability positioning device for a wire wound toroidal inductor according to the present utility model after assembly;
fig. 5 is a perspective view of a highly reliable positioning device for a wire-wound toroidal inductor according to the present utility model in use.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-4, the highly reliable positioning device for the wire-wound toroidal inductor according to the present utility model comprises a base 11, an upper cover 5, a fixed end cover 3, a positioning tube 13 and a movable end cover 15, wherein a circular arc-shaped and transversely-through base groove (not shown in the figure) is provided on the upper surface of the base 11, the upper cover 5 is circular arc-shaped and the lower circular arc-shaped groove is a transversely-through upper cover groove (not shown in the figure), the central angles of the circular arc surfaces of the base groove and the upper cover groove are smaller than 180 °, a plurality of positioning bosses 9 are respectively provided on the circular arc-shaped groove walls of the base groove and the upper cover groove, the width of each positioning boss 9 is smaller than the gap width between two adjacent coils of the inductor coil 2 of the wire-wound toroidal inductor, the gap width between two adjacent positioning bosses 9 is larger than the outer diameter of the inductor coil 2 of the wire-wound toroidal inductor, the positioning bosses 9 are provided with glue filling through holes 19 with two ends which are transversely-through, the glue filling through holes 19 are filled with glue (not shown in the figure, preferably epoxy resin), two sides of the upper cover 5 and two sides of the base 11 are respectively connected with two ends 7 of the base end cap, a second positioning screw post 14 is respectively connected with a vertical end cap 4 and a first end post 14 and a second positioning post 14 is fixedly connected with a second end post 14 and a vertical positioning post 4.
As shown in fig. 1-4, the present utility model also discloses a number of more optimal specific structures:
in order to ensure that all the parts of the periphery of the inductance core 1 can be tightly abutted and positioned, the highly reliable positioning device for the wire-wound toroidal inductance further comprises a plurality of U-shaped positioning pieces 20 (only 2U-shaped positioning pieces 20 are drawn in fig. 3 and one of the U-shaped positioning pieces is not mounted on the corresponding positioning boss 9, actually the U-shaped positioning pieces 20 are in one-to-one correspondence with the positioning boss 9), a positioning piece through hole 21 is formed in the middle plate of the U-shaped positioning piece 20, the U-shaped positioning pieces 20 are respectively mounted on the positioning bosses 9, the width between two side plates of the U-shaped positioning pieces 20 is smaller than the gap width between two adjacent coils 2 of the wire-wound toroidal inductance, the gap width between two adjacent U-shaped positioning pieces 20 in circumferential arrangement is larger than the outer diameter of the inductance coil 2 of the wire-wound toroidal inductance, positioning screw holes 18 which are parallel to the glue filling through holes 19 and are formed in the positioning bosses 9, and the positioning screws (not shown in the drawings) respectively penetrate through the positioning screw holes 18 and then pass through the positioning screws 21 in the positioning bosses 21, and are preferably positioned by the glue filling the positioning screws 21 in the positioning bosses 21.
In order to prevent the adhesive from falling off and further improve the positioning reliability, the glue filling through hole 19 is formed by connecting two sections of through holes with different apertures, and the aperture of the through hole near the inner end (i.e. the end near the inductance core 1) is larger than that near the outer end (i.e. the end far from the inductance core 1).
In order to meet the positioning and mounting requirements of a plurality of wire-wound toroidal inductors, the highly reliable positioning device for the wire-wound toroidal inductors further comprises a plastic partition plate 10, wherein the partition plate 10 is provided with a central through hole, positioning pipes 13 penetrate through the central through hole, a plurality of upper covers 5 (two in the figure) are arranged, a vertical partition plate 10 is mounted between every two adjacent upper covers 5, and the partition plate 10 is provided with a heat dissipation through hole.
In order to facilitate reliable connection between the upper cover 5 and the base 11, the two sides of the upper cover 5 are respectively provided with a connecting part 8, the connecting part 8 is provided with an upper cover connecting through hole 17, the positions of the base 11 corresponding to the upper cover connecting through holes 17 are respectively provided with a base screw hole (not marked in the figure), and the studs of the connecting screws 7 pass through the upper cover connecting through holes 17 from top to bottom and are connected with the base screw holes; the base 11 is also provided with a plurality of mounting through holes 12 for mounting the device in an electronic device.
In order to achieve a good heat dissipation effect, the upper cover 5 is provided with an upper cover heat dissipation through hole 6, a plurality of upper cover heat dissipation through holes 6 and a plurality of positioning bosses 9 are arranged at intervals in the circumferential direction of the upper cover 5, and the fixed end cover 3 and the movable end cover 15 are respectively provided with a heat dissipation through hole.
In order to realize the insulating function and avoid scratching the wire-wound annular inductor, the base 11, the upper cover 5, the fixed end cover 3, the positioning tube 13 and the movable end cover 15 are all plastic parts.
As shown in fig. 1-5, during assembly, a plurality of U-shaped positioning pieces 20 are firstly installed on a plurality of positioning bosses 9 corresponding to one another, and are temporarily fixed by an adhesive to prevent falling, then a fixed end cover 3 is installed at one end of a base 11 by a screw, a plurality of wire-wound annular inductors are then installed in a base groove of the base 11, each U-shaped positioning piece 20 on the base 11 is positioned between two corresponding adjacent coils 2, then one or more partition plates 10 are placed between two adjacent wire-wound annular inductors, a positioning pipe 13 passes through central through holes of the plurality of wire-wound annular inductors, and then a stud of a locking screw 16 passes through the central through holes of a second positioning post 14 of a movable end cover 15 and the central through hole of the positioning pipe 13 and then is connected with a screw hole of a first positioning post 4 of the fixed end cover 3, so that axial positioning of the plurality of wire-wound annular inductors is realized; then, a plurality of upper covers 5 are arranged above a plurality of wire-wound annular inductors from top to bottom, each U-shaped positioning piece 20 on each upper cover 5 is positioned between two adjacent corresponding induction coils 2, and correspondingly, each upper cover heat dissipation through hole 6 is consistent with the corresponding induction coil 2 in position; then, the studs of the plurality of connecting screws 7 pass through the plurality of upper cover connecting through holes 17 from top to bottom and then are connected with the plurality of base screw holes; then, each positioning screw is rotated to be abutted against the middle plate of the corresponding U-shaped positioning piece 20, and the U-shaped positioning piece 20 is utilized to realize multi-point synchronous and reliable positioning on the periphery of the inductance core 1, so that circumferential positioning on a plurality of wire-wound annular inductors is realized; then, epoxy resin (namely adhesive) is poured from the outer end of each glue pouring through hole 19, so that the epoxy resin is fully filled into the glue pouring through holes 19, the locating piece through holes 21 and gaps between the locating piece through holes and the inductance magnetic cores 1, and thus, high-precision and high-reliability locating and fixing of a plurality of wire-wound annular inductors are realized, and assembly is completed; finally, the positioning device provided with the plurality of wire-wound annular inductors is integrally arranged in the shell 22 of the electronic equipment, and the positioning device is fixedly connected with the shell 22 by utilizing the mounting through holes 12 on the base 11, so that the high-precision and high-reliability positioning and fixed mounting of the plurality of wire-wound annular inductors in the shell 22 of the electronic equipment is realized, and the positioning device can be used in a strong vibration environment without loosening.
The above embodiments are only preferred embodiments of the present utility model, and are not limiting to the technical solutions of the present utility model, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present utility model.
Claims (7)
1. A high reliable positioner for wire wound toroidal inductor, its characterized in that: the positioning device comprises a base, an upper cover, a fixed end cover, a positioning tube and a movable end cover, wherein a circular arc-shaped and transversely-through base groove is formed in the base, the circular arc-shaped groove below the circular arc-shaped and transversely-through upper cover groove is formed in the upper cover, the central angles of the circular arc surfaces of the groove walls of the base groove and the upper cover groove are smaller than 180 degrees, a plurality of positioning bosses are respectively arranged on the circular arc-shaped groove walls of the base groove, the width of each positioning boss is smaller than the width of a gap between two adjacent coils of an inductance coil of a wire winding type annular inductor, the width of a gap between two adjacent positioning bosses in circumferential arrangement is larger than the outer diameter of the inductance coil of the wire winding type annular inductor, glue filling through holes with two ends being communicated are formed in the positioning bosses, two sides of the upper cover are respectively connected with two sides of the base through connecting screws, the lower ends of the fixed end covers are fixedly connected with one ends of the base, one side of the fixed end cover is provided with a first positioning post, one side of the movable end cover is smaller than the width of the adjacent positioning boss is provided with a second positioning post, the width between the second positioning post and the second positioning post passes through the central positioning post.
2. The high reliability positioning device for wire-wound toroidal inductances according to claim 1, wherein: the high-reliability positioning device for the wire-wound annular inductor further comprises a plurality of U-shaped positioning pieces made of plastics, positioning piece through holes are formed in middle plates of the U-shaped positioning pieces, the U-shaped positioning pieces are respectively arranged on the positioning bosses, the width between two side plates of the U-shaped positioning pieces is smaller than the width of a gap between two adjacent coils of the wire-wound annular inductor, the width of a gap between two adjacent U-shaped positioning pieces which are circumferentially arranged is larger than the outer diameter of the inductance coil of the wire-wound annular inductor, positioning screw holes which are parallel to the glue filling through holes and are communicated at two ends are formed in the positioning bosses, studs of the positioning screws respectively penetrate through the positioning screw holes and then abut against the middle plates of the U-shaped positioning pieces, and the positioning piece through holes of each U-shaped positioning piece are communicated with the corresponding glue filling through holes of the positioning bosses, and the positioning piece through holes are filled with glue.
3. A highly reliable positioning device for wire-wound toroidal inductances according to claim 1 or 2, characterized in that: the glue filling through hole is formed by connecting two sections of through holes with different apertures, and the aperture of the through hole close to the inner end is larger than that of the through hole close to the outer end.
4. A highly reliable positioning device for wire-wound toroidal inductances according to claim 1 or 2, characterized in that: the high-reliability positioning device for the wire-wound annular inductor further comprises a plastic partition plate, wherein the partition plate is provided with a central through hole, the positioning pipe penetrates through the central through hole, the number of the upper covers is multiple, two adjacent upper covers are provided with vertical partition plates, and the partition plates are provided with heat dissipation through holes.
5. A highly reliable positioning device for wire-wound toroidal inductances according to claim 1 or 2, characterized in that: the two sides of the upper cover are respectively provided with a connecting part, the connecting part is provided with an upper cover connecting through hole, the positions on the base corresponding to the upper cover connecting through holes are respectively provided with a base screw hole, and the studs of the connecting screws penetrate through the upper cover connecting through holes from top to bottom and then are connected with the base screw holes.
6. A highly reliable positioning device for wire-wound toroidal inductances according to claim 1 or 2, characterized in that: the upper cover is provided with upper cover heat dissipation through holes, a plurality of upper cover heat dissipation through holes and a plurality of positioning bosses are arranged at intervals in the circumferential direction of the upper cover, and the fixed end cover and the movable end cover are both provided with heat dissipation through holes.
7. A highly reliable positioning device for wire-wound toroidal inductances according to claim 1 or 2, characterized in that: the base, the upper cover, the fixed end cover, the positioning tube and the movable end cover are all plastic pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321571115.7U CN220357897U (en) | 2023-06-20 | 2023-06-20 | High-reliability positioning device for wire-wound annular inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321571115.7U CN220357897U (en) | 2023-06-20 | 2023-06-20 | High-reliability positioning device for wire-wound annular inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220357897U true CN220357897U (en) | 2024-01-16 |
Family
ID=89505271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321571115.7U Active CN220357897U (en) | 2023-06-20 | 2023-06-20 | High-reliability positioning device for wire-wound annular inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220357897U (en) |
-
2023
- 2023-06-20 CN CN202321571115.7U patent/CN220357897U/en active Active
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