CN214848126U

CN214848126U - High-performance SMD paster inductance

Info

Publication number: CN214848126U
Application number: CN202120525648.6U
Authority: CN
Inventors: 易伟; 杨金玉
Original assignee: Shenzhen Weifengda Industrial Co ltd
Current assignee: Shenzhen Weifengda Industrial Co ltd
Priority date: 2021-03-13
Filing date: 2021-03-13
Publication date: 2021-11-23
Anticipated expiration: 2031-03-13

Abstract

The utility model relates to a SMD paster inductance technical field just discloses a high performance SMD paster inductance, including the iron core, the wire winding has the coil on the iron core, the shielding lid has been cup jointed in the outside of iron core, the mounting groove has all been seted up, two to the left and right sides of shielding lid the wire casing has all been seted up to the inner diapire of mounting groove, the both ends of coil extend to the inboard of two wire casings respectively, the inboard of mounting groove is pegged graft and is had two welding blocks. The utility model discloses a whole paster inductance adopts the mode of aggregate erection to assemble, can change to certain part under the damaged condition of part, the mounting means is simple and convenient to the plant use of paster inductance, the practicality is strong, when needing to change the circuit or change the paster inductance, only need take the dead lever out by force, change new dead lever can, for traditional welding mode, can make things convenient for the complete whole paster inductance of taking off more, so that the user's change is used.

Description

High-performance SMD paster inductance

Technical Field

The utility model relates to a SMD paster inductance technical field specifically is a high performance SMD paster inductance.

Background

Chip inductors are mainly of 4 types, namely, wire-wound, laminated, woven, and thin-film chip inductors. Both the wound type and the laminated type are commonly used. The former is a product of miniaturization of the conventional wire-wound inductor; the latter is made by multilayer printing technology and laminated production technology, has smaller volume than the wound chip inductor, and is a product of key development in the field of inductance elements.

The packaging method of the general structure of the existing SMD paster inductance is complex, the integrity is strong, when a certain part of the paster inductance is damaged, most parts of the SMD paster inductance need to be integrally replaced, the use cost is high, the general welding feet and the main body of the paster inductance adopt the modes of fixed connection such as welding, the steps are troublesome when the SMD inductance is installed, the SMD paster inductance can not be completely disassembled when the SMD inductance is replaced, and therefore the SMD paster inductance with high performance is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high performance SMD paster inductance possesses advantages such as convenient assembly and disassembly, and the equipment mode of having solved current SMD paster inductance general structure is comparatively complicated, and the wholeness is strong, lead to when paster inductance some damages, mostly need wholly change, use cost is high, and the main part of general leg and paster inductance adopts fixed connection's such as welding mode, when the installation step is troublesome, the problem of also unable complete dismantlement when changing the dismantlement.

(II) technical scheme

For the purpose of realizing the above-mentioned convenient assembly and disassembly, the utility model provides a following technical scheme: the utility model provides a high performance SMD paster inductance, includes the iron core, the wire winding has the coil on the iron core, the shielding lid has been cup jointed in the outside of iron core, the mounting groove has all been seted up to the left and right sides of shielding lid, two the wire casing has all been seted up to the inner diapire of mounting groove, the both ends of coil extend to the inboard of two wire casings respectively, the inboard of mounting groove is pegged graft and is had two welding blocks, two the bottom of welding block contacts with the both ends of coil respectively, the top homogeneous body shaping of the relative one side of welding block has the restriction strip, two the restriction strip extends to the top of iron core respectively and contacts with the iron core.

Preferably, the shielding is covered and is alternated to have two dead levers rather than threaded connection, the top of dead lever extends to the inboard of mounting groove, the slot has all been seted up to the bottom of welding piece, the draw-in groove has been seted up to the inside of slot, integrated into one piece has the card strip with draw-in groove assorted on the dead lever, the top and the slot of dead lever are pegged graft, card strip and draw-in groove joint.

Preferably, the shielding cover is provided with two threaded holes, the two fixing rods are respectively inserted into the two threaded holes and are in threaded connection with the inner walls of the threaded holes, and the two threaded holes are respectively communicated with the two wire grooves.

Preferably, circular arc transition is arranged around the shielding cover, a limiting ring is integrally formed at the bottom of the inner side of the shielding cover, and the diameter of the limiting ring is smaller than that of the iron core.

Preferably, the top of the shielding cover is provided with positioning grooves which are distributed uniformly, and the positioning grooves are located around the iron core.

(III) advantageous effects

Compared with the prior art, the utility model provides a high performance SMD paster inductance possesses following beneficial effect:

1. this high performance SMD paster inductance, through with the coil wraparound at the iron core, then place the iron core among the shield cover, then arrange the both ends of coil in two wire casings respectively, then utilize the end of a thread of welding piece extrusion to contact coil to fix, thereby fix the welding piece grafting in the inside of mounting groove, then utilize the restriction strip on the welding piece to limit the activity of iron core, whole paster inductance adopts built-up mounting's mode to assemble, can change to certain part under the damaged condition of part, the mounting means is simple and convenient, so that paster inductance's plant use, therefore, the clothes hanger is strong in practicability.

2. This high performance SMD paster inductance, through the threaded connection who utilizes dead lever and shielding lid, fix on the shielding lid, during erection welding piece, aim at the dead lever with the slot and press, place the inside at the mounting groove, then fix the welding piece through card strip and draw-in groove joint, accomplish the equipment of whole paster inductance, when needing to change the circuit or change the paster inductance, only need take the dead lever out by force, change new dead lever can, for traditional welding mode, can make things convenient for complete whole paster inductance of taking off more, so that user's change is used.

3. This high performance SMD paster inductance is through the screw hole convenience with dead lever fixed mounting on the shield cover, and the screw hole is located the middle part of wire casing, avoids causing the influence to placing of end of a thread when the double-end of fixed coil.

4. This high performance SMD paster inductance, through the cooperation of spacing ring and restriction strip, the removal of two-way restriction iron core is fixed the iron core in the inboard of shield cover.

5. This high performance SMD paster inductance fixes a position when the constant head tank person of facilitating the use installs paster inductance, improves the efficiency and the accuracy of paster inductance installation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a top-view connection structure of the iron core and the shielding cover of the present invention;

fig. 3 is a schematic top view of the shielding cover of the present invention;

fig. 4 is a schematic structural view of the fixing rod of the present invention;

fig. 5 is a schematic front sectional view of the welding block of the present invention.

In the figure: 1. an iron core; 2. a coil; 3. a shield cover; 4. a wire slot; 5. mounting grooves; 6. welding the blocks; 7. a restriction strip; 8. fixing the rod; 9. a slot; 10. a card slot; 11. clamping the strip; 12. a threaded hole; 13. A limiting ring; 14. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a high performance SMD chip inductor includes an iron core 1, a coil 2 wound on the iron core 1, a shielding cover 3 sleeved outside the iron core 1, mounting grooves 5 formed on both left and right sides of the shielding cover 3, slots 4 formed on inner bottom walls of the two mounting grooves 5, two ends of the coil 2 extending to inner sides of the two slots 4, two welding blocks 6 inserted into the mounting grooves 5, bottoms of the two welding blocks 6 contacting both ends of the coil 2, a top of the opposite side of the welding block 6 being integrally formed with a limiting strip 7, the two limiting strips 7 extending to the top of the iron core 1 and contacting the iron core 1, the coil 2 wound on the iron core 1, the iron core placed in the shielding cover 3, the two ends of the coil 2 placed in the two slots 4, respectively, and then the ends of the coil 2 contacting the coil 2 are pressed by the welding blocks 6 for fixing, thereby fix welding piece 6 grafting in the inside of mounting groove 5, then utilize restriction strip 7 on welding piece 6 to restrict the activity of iron core 1, whole paster inductance adopts the mode of aggregate erection to assemble, can change to certain part under the damaged condition of part, and the mounting means is simple and convenient to in the use of the production of paster inductance, the practicality is strong.

Furthermore, two fixing rods 8 in threaded connection with the shielding cover 3 are inserted in the shielding cover 3, the top ends of the fixing rods 8 extend to the inner side of the mounting groove 5, slots 9 are formed in the bottoms of the welding blocks 6, clamping grooves 10 are formed in the slots 9, clamping strips 11 matched with the clamping grooves 10 are integrally formed on the fixing rods 8, the tops of the fixing rods 8 are inserted in the slots 9, the clamping strips 11 are clamped with the clamping grooves 10, the fixing rods 8 are connected with the shielding cover 3 through the threads of the fixing rods 8 and are fixed on the shielding cover 3, when the welding blocks 6 are mounted, the slots 9 are aligned with the fixing rods 8 and pressed down and placed in the mounting groove 5, then the welding blocks 6 are fixed through the clamping strips 11 and the clamping grooves 10 in a clamped mode, the whole chip inductor is assembled, when a circuit needs to be replaced or the chip inductor needs to be replaced, only the fixing rods 8 need to be forcibly pulled out, and the new fixing rods 8 can be replaced, compared with the traditional welding mode, the whole patch inductor can be taken down more conveniently and completely, so that a user can replace and use the patch inductor conveniently.

Furthermore, two threaded holes 12 are formed in the shielding cover 3, the two fixing rods 8 are respectively inserted into the two threaded holes 12 and connected with the inner wall threads of the threaded holes 12 in a penetrating mode, the two threaded holes 12 are respectively communicated with the two wire grooves 4, the fixing rods 8 are conveniently and fixedly installed on the shielding cover 3 through the threaded holes 12, the threaded holes 12 are located in the middle of the wire grooves 4, and the influence on the placement of the wire ends is avoided when the double wire ends of the fixed coil are located.

Further, shielding lid 3 sets up the circular arc transition all around, and shielding lid 3 inboard bottom integrated into one piece has spacing ring 13, and the diameter of spacing ring 13 is less than iron core 1's diameter, and through spacing ring 13 and restriction strip 7's cooperation, the removal of two-way restriction iron core 1 fixes iron core 1 in shielding lid 3's inboard.

Further, constant head tank 14 equal with the distribution is seted up at the top of shield cover 3, and constant head tank 14 is located iron core 1 around, fixes a position when person installs the paster inductance through constant head tank 14 convenience of customers, improves the efficiency and the accuracy of paster inductance installation.

The working principle is as follows: the coil 2 is wound on the iron core 1, the iron core is placed in the shielding cover 3, two ends of the coil 2 are respectively placed in the two wire grooves 4, the welding block 6 is used for extruding and pressing the wire ends of the contact coil 2 for fixing, the welding block 6 is inserted and fixed in the mounting groove 5, then the movement of the iron core 1 is limited by the limiting strip 7 on the welding block 6, the whole chip inductor is assembled in a combined mounting mode, a certain component can be replaced under the condition that the component is damaged, the mounting mode is simple and convenient, the chip inductor is convenient to produce and use, the practicability is strong, the fixing rod 8 is connected with the shielding cover 3 through threads, the fixing rod 8 is fixed on the shielding cover 3, the slot 9 is aligned with the fixing rod 8 and pressed down when the welding block 6 is mounted, the fixing rod is placed in the mounting groove 5, and the welding block 6 is fixed through the clamping strip 11 and the clamping groove 10 in a clamping mode, accomplish the equipment of whole paster inductance, when needing to change the circuit or change paster inductance, only need force take dead lever 8 out, change new dead lever 8 can, for traditional welding mode, can make things convenient for whole paster inductance of taking off more completely to convenient to use person's change is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high performance SMD paster inductance, includes iron core (1), its characterized in that: coil (2) are connected to the iron core (1) in a winding manner, shielding cover (3) have been cup jointed in the outside of iron core (1), mounting groove (5) have all been seted up, two to the left and right sides of shielding cover (3) wire casing (4) have all been seted up to the interior diapire of mounting groove (5), the both ends of coil (2) extend to the inboard of two wire casings (4) respectively, it has two welding block (6), two to peg graft to the inboard of mounting groove (5) the bottom of welding block (6) contacts with the both ends of coil (2) respectively, the top homogeneous body shaping of the relative one side of welding block (6) has restriction strip (7), two restriction strip (7) extend to the top of iron core (1) respectively and contact with iron core (1).

2. The high performance SMD chip inductor of claim 1 wherein: the utility model discloses a fixing device for a motor vehicle, including shielding lid (3), cross-under has two dead lever (8) rather than threaded connection, the top of dead lever (8) extends to the inboard of mounting groove (5), slot (9) have all been seted up to the bottom of welding piece (6), draw-in groove (10) have been seted up to the inside of slot (9), integrated into one piece has card strip (11) with draw-in groove (10) assorted on dead lever (8), the top of dead lever (8) is pegged graft with slot (9), card strip (11) and draw-in groove (10) joint.

3. The high performance SMD chip inductor of claim 2 wherein: two threaded holes (12) are formed in the shielding cover (3), the two fixing rods (8) are respectively inserted into the two threaded holes (12) and are in threaded connection with the inner wall of each threaded hole (12), and the two threaded holes (12) are respectively communicated with the two wire grooves (4).

4. The high performance SMD chip inductor of claim 1 wherein: the iron core is characterized in that circular arc transition is arranged around the shielding cover (3), a limiting ring (13) is integrally formed at the inner side bottom of the shielding cover (3), and the diameter of the limiting ring (13) is smaller than that of the iron core (1).

5. The high performance SMD chip inductor of claim 1 wherein: the top of the shielding cover (3) is provided with positioning grooves (14) which are distributed uniformly, and the positioning grooves (14) are located on the periphery of the iron core (1).