CN219123081U - Pin bending type network transformer - Google Patents
Pin bending type network transformer Download PDFInfo
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- CN219123081U CN219123081U CN202223314893.6U CN202223314893U CN219123081U CN 219123081 U CN219123081 U CN 219123081U CN 202223314893 U CN202223314893 U CN 202223314893U CN 219123081 U CN219123081 U CN 219123081U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a pin bending type network transformer, which comprises: a housing provided with a receiving groove; the pin is penetrated in two opposite vertical walls of the opening end of the shell, one end of the pin, which is far away from the opening end of the shell, is arranged as an external connection end, one end of the pin, which is close to the opening end of the shell, is arranged as a wiring terminal, and a clamping structure is arranged on the wiring terminal; the coil assembly comprises a transformer coil and a common mode choke coil, wherein the transformer coil and the common mode choke coil are arranged in the accommodating groove, and a lead wire of the transformer coil and a lead wire of the common mode choke coil are led out and then clamped in a corresponding clamping structure. The pins are directly penetrated in the vertical wall of the shell along the up-down direction, and when the shell is injection molded, the pins are put into a mold for injection molding, so that the manufacturing is convenient; in addition, the clamping structure is arranged on the wiring end of the pin, the lead is fixed by utilizing the clamping structure, the operation is convenient, the trouble of winding the lead at the wiring end is avoided, and the use is convenient.
Description
Technical Field
The utility model relates to the field of network transformers, in particular to a pin bending type network transformer.
Background
Network transformers are common electrical components, with pins.
In the past, the wiring end setting of pin is in the open end department of network transformer shell, and the outer end of connecting of pin is the bending type after extending from the lateral wall of network transformer shell, and coil assembly's lead wire is the wiring end that need twine at the pin by the manual work, and the mode of connecting the lead wire is single, and former network transformer is made and is used inconveniently.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the pin bending type network transformer which can be conveniently manufactured and used.
According to an embodiment of the first aspect of the present utility model, a pin-folded network transformer includes: a housing (100) provided with a receiving groove (110); the pin (200) is arranged in two opposite vertical walls of the opening end of the shell (100) in a penetrating manner, one end, away from the opening end of the shell (100), of the pin (200) is arranged as an outer connecting end (210), one end, close to the opening end of the shell (100), of the pin (200) is arranged as a wiring end (220), the outer connecting end (210) is provided with a first bending part (211), the first bending part (211) is used for externally connecting with a bonding pad on a contact circuit board, and the wiring end (220) is provided with a clamping structure; the coil assembly (300) comprises a transformer coil (310) and a common mode choke coil (320), wherein the transformer coil (310) and the common mode choke coil (320) are both arranged in the accommodating groove (110), and a lead wire of the transformer coil (310) and a lead wire of the common mode choke coil (320) are led out and then clamped in the corresponding clamping structure.
The pin bending type network transformer provided by the embodiment of the utility model has at least the following beneficial effects: the pins are directly penetrated in the vertical wall of the shell along the up-down direction, so that the pins do not penetrate out of the side wall of the shell (100) as in the past, the outer connecting end (210) of the pin (200) is provided with the first bending part (211) so that the first bending part (211) can be hooked at the lower end of the shell (100), and the first bending part (211) is convenient to contact with a bonding pad on a circuit board, because the pins are directly arranged in the shell (100) along the up-down direction, when the shell is injection molded, the pins are put into a mold for injection molding, avoiding space of the side wall of the shell is not needed to be considered, and the manufacturing is convenient; in addition, the clamping structure is arranged on the wiring end of the pin, the lead is fixed by utilizing the clamping structure, the operation is convenient, the trouble of winding the lead at the wiring end is avoided, and the use is convenient.
According to some embodiments of the utility model, the two opposite vertical walls of the opening end of the housing are respectively provided with a plurality of pins, the pins are arranged in a one-to-one correspondence with the leads, and the plurality of pins can be arranged to correspond to the plurality of coil assemblies.
According to some embodiments of the utility model, the clamping structure is a transverse opening arranged on the terminal, the transverse opening divides the terminal into an upper clamping arm, the lead wire stretches into the transverse opening, the upper clamping arm can be bent downwards to clamp the lead wire, and the structure is simple, and the lead wire can be clamped and fixed only by operating the upper clamping arm.
According to some embodiments of the present utility model, the clamping structure is a longitudinal opening provided on the terminal, a supporting arm extending horizontally and outwards is provided at a bottom end of the longitudinal opening, the supporting arm is used for supporting the lead, the terminal is divided into two longitudinal clamping arms by the longitudinal opening, the two longitudinal clamping arms can be bent towards the middle to clamp the lead, the provided supporting arm has a supporting function, after the lead is placed, an application point is provided, the two longitudinal clamping arms can be folded towards each other to fix the lead, and in addition, the lead can be spot-welded on the supporting arm.
According to some embodiments of the present utility model, the clamping structure includes a bending portion on the terminal and a pressing arm disposed on a side wall of the bending portion, the bending portion is hooked and embedded into the open end of the housing, the upper end of the bending portion is used for supporting the lead, the pressing arm can clamp the lead after bending, the bending portion cooperates with the housing to limit the lead, the bending portion can also play a role in supporting the lead, the pressing arm can compress the lead on the bending portion after bending, the lead can also be welded on the bending portion, and the lead is connected conveniently and rapidly.
According to some embodiments of the utility model, a guiding cambered surface is arranged at the junction of the accommodating groove and the opening end of the shell, the guiding cambered surface is used for guiding the lead wire to extend out, and the guiding cambered surface is arranged in one-to-one correspondence with the lead wire, so that the lead wire is prevented from being broken at the edge.
According to some embodiments of the present utility model, a plurality of supporting blocks are disposed at the junction between the accommodating groove and the opening end of the housing, and a wire passing groove is defined between two adjacent supporting blocks, the wire passing groove is disposed in one-to-one correspondence with the guiding cambered surface, the wire passing groove plays a role in clamping the lead, preventing the lead from slipping off, and in addition, plays a role in guiding and limiting the lead, so that the lead extends outwards only along the direction of the wire passing groove.
According to some embodiments of the utility model, the coil assembly comprises a coil assembly, a clamping block is arranged on the clamping block, a clamping groove is correspondingly arranged on the clamping block, the clamping block is clamped into the clamping groove, the clamping block is arranged in the clamping groove, the clamping block supports the end cap, the space between the end cap and the accommodating groove is larger, interference between the end cap and the coil assembly is avoided, and the clamping block and the clamping groove are mutually matched, so that displacement of the end cap in a horizontal plane is limited, and the clamping block and the clamping groove also play a role in positioning and assembling.
According to some embodiments of the utility model, the lower end of the end cover is provided with a dodging groove, and the dodging groove is used for dodging the wiring terminal or the supporting block.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic diagram of a clamping structure of a pin bending network transformer according to an embodiment of the present utility model, including a transverse opening;
fig. 2 is a schematic structural diagram of a clamping structure of a pin bending type network transformer according to an embodiment of the present utility model, including a longitudinal opening;
fig. 3 is a schematic structural diagram of a clamping structure of a pin bending network transformer according to an embodiment of the present utility model, including a bending portion;
fig. 4 is an exploded view of the positional relationship between the housing and the end cover of the pin bending type network transformer according to the embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a housing of a pin bending network transformer according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of an assembly of a housing and an end cover of a pin bending network transformer according to an embodiment of the present utility model.
The device comprises a shell 100, a containing groove 110, a guide cambered surface 120, a supporting block 130, a wire passing groove 140, a supporting plate 150 and a clamping block 151;
a transverse opening 231, an upper clamping arm 232, a longitudinal opening 233, a bracket arm 234, a longitudinal clamping arm 235, a second bending portion 236, and a pressing arm 237;
a coil assembly 300, a transformer coil 310, a common mode choke coil 320;
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 6, a pin-folded network transformer includes: a housing 100 provided with a receiving groove 110; the pin 200 is penetrated in two opposite vertical walls of the opening end of the shell 100, one end of the pin 200, which is far away from the opening end of the shell 100, is provided with an outer connecting end 210, one end of the pin 200, which is close to the opening end of the shell 100, is provided with a wiring terminal 220, the outer connecting end 210 is provided with a first bending part 211, the first bending part 211 is used for externally connecting with a bonding pad on a contact circuit board, and the wiring terminal 220 is provided with a clamping structure; the coil assembly 300 includes a transformer coil 310 and a common mode choke coil 320, wherein the transformer coil 310 and the common mode choke coil 320 are both disposed in the accommodating groove 110, and the lead wires of the transformer coil 310 and the lead wires of the common mode choke coil 320 are led out and then clamped in corresponding clamping structures. The pins 200 are directly arranged in the vertical wall of the shell 100 in a penetrating manner along the up-down direction, so that the pins are not penetrated out of the side wall of the shell 100 in the past, the outer connecting ends 210 of the pins 200 can be hooked at the lower end of the shell 100 due to the first bending parts 211, the first bending parts 211 are also convenient to contact with bonding pads on a circuit board, and the pins 200 are directly arranged in the shell 100 along the up-down direction, so that the pins 200 are placed in a mold for injection molding when the shell 100 is molded, avoiding space of the side wall of the shell 100 is not needed to be considered, and the manufacturing is convenient; in addition, the terminal 220 of the pin 200 is provided with a clamping structure, and the lead is fixed by the clamping structure, so that the operation is convenient, the trouble of winding the lead on the terminal 220 is avoided, and the use is convenient.
In some embodiments, the opposite upright walls of the open end of the housing 100 are each provided with a plurality of pins 200, the pins 200 are arranged in a one-to-one correspondence with the leads, and the plurality of pins 200 may be arranged to correspond to the plurality of coil assemblies 300.
Referring to fig. 1, the clamping structure is a transverse opening 231 formed on the terminal 220, the transverse opening 231 divides the terminal 220 into an upper clamping arm 232, the lead wire extends into the transverse opening 231, the upper clamping arm 232 can be bent downwards to clamp the lead wire, and the structure is simple, and only the upper clamping arm 232 needs to be operated to clamp and fix the lead wire. It is understood that the lateral opening 231 is an opening whose direction is oriented in the horizontal direction.
Referring to fig. 2, the clamping structure is a longitudinal opening 233 provided on the terminal 220, a supporting arm 234 extending outwards horizontally is provided at the bottom end of the longitudinal opening 233, the supporting arm 234 is used for supporting the lead, the longitudinal opening 233 divides the terminal 220 into two longitudinal clamping arms 235, the two longitudinal clamping arms 235 can be bent towards the middle to clamp the lead, the provided supporting arm 234 plays a role in supporting, an acting point is provided after the lead is placed, the two longitudinal clamping arms 235 can be folded towards each other to fix the lead, and in addition, the lead can be spot-welded on the supporting arm 234. It is understood that the longitudinal opening 233 is an opening that is directed upward.
Referring to fig. 3, the clamping structure includes a second bending portion 236 on the terminal 220 and a pressing arm 237 disposed on a side wall of the second bending portion 236, where the second bending portion 236 is hooked and embedded into an open end of the housing 100, an upper end of the second bending portion 236 is used for supporting a lead, the pressing arm 237 can clamp the lead after bending, the second bending portion 236 cooperates with the housing 100 to limit the lead 200, the second bending portion 236 can also play a role in supporting the lead, the pressing arm 237 can compress the lead on the second bending portion 236 after bending, and the lead can also be welded on the second bending portion 236 to connect the lead, thereby being convenient and fast.
In some embodiments, a guiding cambered surface 120 is disposed at the junction between the accommodating groove 110 and the open end of the housing 100, the guiding cambered surface 120 is used for guiding the lead wire to stretch out, and the guiding cambered surface 120 is disposed in one-to-one correspondence with the lead wire, so as to avoid the lead wire from being abraded at the edge.
In some embodiments, a plurality of supporting blocks 130 are disposed at the junction between the accommodating groove 110 and the open end of the housing 100, and a wire passing groove 140 is defined between two adjacent supporting blocks 130, where the wire passing groove 140 is disposed in one-to-one correspondence with the guiding cambered surface 120, and the wire passing groove 140 plays a role in clamping the lead, avoiding the lead from slipping, and in addition, plays a role in guiding and limiting the lead, so that the lead extends outwards only along the direction of the wire passing groove 140.
Referring to fig. 4 and 5, the coil assembly comprises an end cover 400, a supporting plate 150 is arranged on two opposite vertical walls of the opening end of the housing 100, a clamping block 151 is arranged on the supporting plate 150, a clamping groove 410 is correspondingly arranged on the end cover 400, the end cover 400 is connected to the supporting plate 150, the clamping block 151 is clamped into the clamping groove 410, the set supporting plate 150 supports the end cover 400, the space between the end cover 400 and the accommodating groove 110 is larger, the end cover 400 and the coil assembly 300 are prevented from interfering, and additionally, the clamping block 151 and the clamping groove 410 are mutually matched, so that the displacement of the end cover 400 in a horizontal plane is limited, and the clamping block 151 and the clamping groove 410 also play a role in positioning and assembling. It is to be noted that the open end of the housing 100 is provided as a rectangle having two pairs of corresponding standing walls.
In some embodiments, the lower end of the end cap 400 is provided with a relief groove 420, the relief groove 420 being used to relief the terminal 220 or the support block 130.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (9)
1. A pin bending type network transformer, comprising:
a housing (100) provided with a receiving groove (110);
the pin (200) is arranged in two opposite vertical walls of the opening end of the shell (100) in a penetrating manner, one end, away from the opening end of the shell (100), of the pin (200) is arranged as an outer connecting end (210), one end, close to the opening end of the shell (100), of the pin (200) is arranged as a wiring end (220), the outer connecting end (210) is provided with a first bending part (211), the first bending part (211) is used for externally connecting with a bonding pad on a contact circuit board, and the wiring end (220) is provided with a clamping structure;
the coil assembly (300) comprises a transformer coil (310) and a common mode choke coil (320), wherein the transformer coil (310) and the common mode choke coil (320) are both arranged in the accommodating groove (110), and a lead wire of the transformer coil (310) and a lead wire of the common mode choke coil (320) are led out and then clamped in the corresponding clamping structure.
2. The pin-folded network transformer of claim 1, wherein: two opposite vertical walls of the opening end of the shell (100) are respectively provided with a plurality of pins (200), and the pins (200) are arranged in one-to-one correspondence with the leads.
3. The pin-folded network transformer of claim 1, wherein: the clamping structure is a transverse opening (231) arranged on the wiring terminal (220), the transverse opening (231) divides the wiring terminal (220) into an upper clamping arm (232), a lead wire stretches into the transverse opening (231), and the upper clamping arm (232) can be bent downwards to clamp the lead wire.
4. The pin-folded network transformer of claim 1, wherein: the clamping structure is a longitudinal opening (233) arranged on the wiring terminal (220), a supporting arm (234) extending outwards horizontally is arranged at the bottom end of the longitudinal opening (233), the supporting arm (234) is used for supporting a lead, the longitudinal opening (233) divides the wiring terminal (220) into two longitudinal clamping arms (235), and the two longitudinal clamping arms (235) can be bent towards the middle to clamp the lead.
5. The pin-folded network transformer of claim 1, wherein: the clamping structure comprises a second bending part (236) on the wiring end (220) and a pressing arm (237) arranged on the side wall of the second bending part (236), the second bending part (236) is hooked and embedded into the opening end of the shell (100), the upper end of the second bending part (236) is used for supporting a lead, and the pressing arm (237) can clamp the lead after bending.
6. The pin-folded network transformer of claim 5, wherein: the junction of holding groove (110) with the open end of shell (100) is provided with guide cambered surface (120), guide cambered surface (120) are used for guiding the lead wire to stretch out, guide cambered surface (120) set up with the one-to-one of lead wire.
7. The pin-folded network transformer of claim 6, wherein: the junction of the accommodating groove (110) and the opening end of the shell (100) is provided with a plurality of supporting blocks (130), a wire passing groove (140) is defined between two adjacent supporting blocks (130), and the wire passing groove (140) and the guide cambered surface (120) are arranged in a one-to-one correspondence.
8. The pin-folded network transformer of claim 7, wherein: still include end cover (400), be provided with layer board (150) on two opposite standing walls of open end another of shell (100), be provided with fixture block (151) on layer board (150), end cover (400) are provided with draw-in groove (410) correspondingly, end cover (400) are connected on layer board (150), fixture block (151) card is gone into in draw-in groove (410).
9. The pin-folded network transformer of claim 8, wherein: the lower end of the end cover (400) is provided with an avoidance groove (420), and the avoidance groove (420) is used for avoiding the wiring end (220) or the supporting block (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223314893.6U CN219123081U (en) | 2022-12-09 | 2022-12-09 | Pin bending type network transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223314893.6U CN219123081U (en) | 2022-12-09 | 2022-12-09 | Pin bending type network transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219123081U true CN219123081U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223314893.6U Active CN219123081U (en) | 2022-12-09 | 2022-12-09 | Pin bending type network transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219123081U (en) |
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2022
- 2022-12-09 CN CN202223314893.6U patent/CN219123081U/en active Active
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