CN220259042U - Switching power supply transformer - Google Patents

Abstract

The application discloses switching power supply transformer, which comprises a housin, be provided with the cavity on the casing, be provided with coil winding in the cavity, be connected with the shield that is used for covering coil winding on the casing can dismantle, one side of casing orientation shield is provided with the go-between, the up end of go-between is offered along circumference and is supplied shield male ring channel, all be provided with the installation strip on two lateral walls that are opposite to each other of go-between, the installation strip all is provided with the spliced pole perpendicularly towards the both ends of one side of go-between, the connecting hole that supplies spliced pole male connecting hole has been offered to the lateral wall of go-between, connecting hole and ring channel intercommunication, set up the spread groove that supplies spliced pole male on the lateral wall of shield, all the cover is equipped with the fastening spring that is used for taut installation strip on every spliced pole, the one end and the installation strip of fastening spring are connected, the other end and the lateral wall of go-between are connected. The dust cover can cover the coil winding, so that dust is reduced and falls on the coil winding, and the normal operation of the switching power supply transformer is ensured.

Description

Switching power supply transformer

Technical Field

The present application relates to the field of transformers, and in particular, to a switching power supply transformer.

Background

Switching power transformers are commonly used electronic devices. The switching power transformer generally includes a magnetic core, a coil wound on the magnetic core, and pin terminals mounted on the magnetic core, and ends of the coil are welded to the corresponding pin terminals for use.

At present, the patent of publication number CN113972049A discloses a switching power supply transformer, including the transformer body, the transformer body includes the magnetic core, the inside of magnetic core has set gradually coil one, coil two and coil three, be provided with left baffle between coil two and the coil two, be provided with right baffle between coil two and the coil three, the outside of magnetic core is provided with insulating case, the bottom of transformer body is provided with the circuit board, the top outer wall welding of circuit board has two wedge, the bottom outer wall of transformer body has the connecting block through bolted connection, the bottom outer wall of connecting block is opened there is the spout, the inside sliding connection of spout has left slider and right slider, be connected with the double-circuit screw through the bearing between the both sides inner wall of spout, the one end of double-circuit screw has the knob with the outside welding that extends to the connecting block, left slider and right slider pass through threaded connection with the double-circuit screw respectively, open in left slider and the inside of right slider has the wedge groove.

With respect to the related art described above, the inventors consider that there are the following drawbacks: the magnetic core is arranged in the insulating shell, and after long-time operation, dust in the outside can fall on the coil of the magnetic core, so that the normal operation of the transformer is affected, and therefore, the transformer needs to be improved.

Disclosure of Invention

In order to reduce dust from falling onto the coil, the application provides a switching power supply transformer.

The utility model provides a switching power supply transformer, includes the casing, be provided with the cavity on the casing, be provided with the coil winding in the cavity, be connected with the shield that is used for covering the coil winding on the casing can dismantle, one side of casing orientation shield is provided with the go-between, the up end of go-between is offered along circumference and is supplied shield male ring channel, all be provided with the installation strip on the opposite sides lateral wall of go-between, the both ends of one side of installation strip orientation go-between all are provided with the spliced pole perpendicularly, the connecting hole that supplies spliced pole male connecting hole has been offered to the lateral wall of go-between, connecting hole and ring channel intercommunication, set up on the lateral wall of shield and supply spliced pole male spread groove, every all the cover is equipped with the fastening spring that is used for taut installation strip on the spliced pole, the one end and the installation strip of fastening spring are connected, the other end and the lateral wall of go-between.

Through adopting above-mentioned technical scheme, earlier with the installation strip along the direction pulling of keeping away from the go-between for the spliced pole shifts out the ring channel, inserts the shield in the ring channel then, loosens the installation strip, and the installation strip inserts the spread groove on the shield under fastening spring's effect, thereby fixes the shield on the casing, and the shield can be with coil winding cage, thereby reduces the dust and falls on coil winding, ensures that switching power supply transformer can normally function.

Optionally, one side that the installation strip deviates from the spliced pole is provided with the erection column, anti-skidding groove has been seted up along circumference on the erection column.

By adopting the technical scheme, the mounting column is pulled, and the mounting strip can be pulled along the direction away from the connecting ring, so that the connecting column moves out of the annular groove, and the dust cover is convenient to insert into the annular groove.

Optionally, the connecting column is provided with the cushioning pad that has elasticity away from the one end tip of installing strip.

Through adopting above-mentioned technical scheme, the cushioning pad can cushion the impact force that a part spliced pole produced to the spread groove diapire, prolongs the life of shield.

Optionally, first heat dissipation holes are formed in two opposite outer side walls of the dust cover.

Through adopting above-mentioned technical scheme, first louvre can improve the radiating effect of shield.

Optionally, all be provided with the connection box that is used for the first louvre of cage on the lateral wall of shield and first louvre homonymy, the second louvre has been seted up on the lateral wall of connection box.

Through adopting above-mentioned technical scheme, the radiating effect can be ensured to the second louvre on the connection box, in addition, the connection box can reduce in the dust passes through first louvre entering shield.

Optionally, the outer lateral wall of shield is provided with prevents slow-witted piece, offer on the inside wall of spread groove and prevent slow-witted piece card income prevent slow-witted groove.

Through adopting above-mentioned technical scheme, with prevent slow-witted piece alignment prevent slow-witted groove can confirm the relative position of shield and go-between fast for the shield inserts in the ring channel after, the spread groove aligns with the connecting hole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the installation strip is pulled along the direction away from the connecting ring firstly, so that the connecting column moves out of the annular groove, then the dust cover is inserted into the annular groove, and then the installation strip is loosened, and is inserted into the connecting groove on the dust cover under the action of the fastening spring, so that the dust cover is fixed on the shell, the dust cover can cover the coil winding, dust is reduced and falls on the coil winding, and the normal operation of the switching power supply transformer is ensured.

2. The mounting bar can be pulled along the direction far away from the connecting ring by pulling the mounting column, so that the connecting column moves out of the annular groove, and the dust cover is convenient to insert into the annular groove.

3. The second louvre on the connection box can ensure the radiating effect, and in addition, the connection box can reduce the dust and get into in the shield through first louvre.

4. The anti-fool block is aligned with the anti-fool groove, so that the relative position of the dust cover and the connecting ring can be rapidly determined, and after the dust cover is inserted into the annular groove, the connecting groove is aligned with the connecting hole.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

Fig. 2 is an exploded schematic view of an embodiment of the present application.

Fig. 3 is an enlarged schematic view of the area a in fig. 2.

Fig. 4 is a cross-sectional view of a dust cap in an embodiment of the present application, mainly for showing the first heat dissipation holes.

Reference numerals illustrate:

1. a housing; 2. a coil winding; 3. a dust cover; 31. a connecting groove; 32. a first heat radiation hole; 4. a connecting ring; 41. an annular groove; 42. a connection hole; 43. a fool-proof groove; 5. a mounting bar; 51. a connecting column; 52. a fastening spring; 53. a cushioning pad; 6. a mounting column; 61. an anti-skid groove; 7. a connection box; 71. a second heat radiation hole; 8. fool-proof blocks.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

The embodiment of the application discloses a switching power supply transformer. Referring to fig. 1 and 2, the device comprises a housing 1, wherein a chamber is formed in the housing 1, and a coil winding 2 is installed in the chamber.

Referring to fig. 2 and 3, a dust cover 3 for covering the coil winding 2 is detachably connected to the housing 1, the dust cover 3 is hollow, and a rectangular opening is formed in a side of the dust cover 3 facing the housing 1. A rectangular connecting ring 4 is fixedly connected to one side of the casing 1 facing the dust cover 3 along the circumferential direction, and a rectangular annular groove 41 into which the opening of the dust cover 3 is inserted is formed in the upper end surface of the connecting ring 4 along the circumferential direction. The connecting ring 4 is provided with mounting bars 5 on two opposite outer side walls, connecting posts 51 are vertically and fixedly connected to two ends of one side, facing the connecting ring 4, of the mounting bars 5, connecting holes 42 for inserting the connecting posts 51 are formed in the outer side walls of the connecting ring 4, and the connecting holes 42 are communicated with the annular grooves 41. The outer side wall of the dust cover 3 is provided with a connecting groove 31 for inserting the connecting columns 51, each connecting column 51 is sleeved with a fastening spring 52 for tensioning the mounting strip 5, one end of each fastening spring 52 is connected with the mounting strip 5, and the other end of each fastening spring is connected with the outer side wall of the connecting ring 4.

The installation strip 5 is pulled along the direction away from the connecting ring 4, the connecting column 51 moves out of the annular groove 41, the dust cover 3 is inserted into the annular groove 41, then the installation strip 5 is loosened, the installation strip 5 is inserted into the connecting groove 31 on the dust cover 3 under the action of the fastening spring 52, so that the dust cover 3 is fixed on the shell 1, the dust cover 3 can cover the coil winding 2, dust is reduced to fall on the coil winding 2, and normal operation of the switching power supply transformer is ensured.

Referring to fig. 2 and 3, a mounting post 6 is fixedly connected to the middle of one side of the mounting bar 5 facing away from the connecting post 51, and an anti-slip groove 61 is formed in the outer sidewall of the mounting post 6 in the circumferential direction. Pulling on the mounting post 6 pulls the mounting bar 5 in a direction away from the attachment ring 4 so that the attachment post 51 moves out of the annular groove 41, thereby facilitating insertion of the dust cap 3 into the annular groove 41.

Referring to fig. 2, a shock absorbing pad 53 is fixedly connected to an end portion of the connecting post 51, which is far away from the mounting bar 5, and the shock absorbing pad 53 is made of a silica gel material. When the connecting column 51 is inserted into the connecting groove 31, the cushioning pad 53 contacts the bottom wall of the connecting groove 31, and the cushioning pad 53 can cushion the impact force generated by a part of the connecting column 51 to the bottom wall of the connecting groove 31, so that the service life of the dust cover 3 is prolonged.

Referring to fig. 2, the fool-proof block 8 is fixedly connected to the outer sidewall of the dust cover 3, and a fool-proof slot 43 into which the fool-proof block 8 is clamped is formed in the inner sidewall of the connecting slot 31. Aligning the fool-proof blocks 8 with the fool-proof slots 43 enables the relative positions of the dust cap 3 and the attachment ring 4 to be quickly determined so that the attachment slots 31 are aligned with the attachment holes 42 after the dust cap 3 is inserted into the annular slot 41.

Referring to fig. 2 and 4, the first heat dissipation holes 32 are formed in two opposite outer sidewalls of the dust cover 3, and the heat dissipation effect of the dust cover 3 can be improved by the first heat dissipation holes 32. The connecting box 7 for covering the first radiating holes 32 is fixedly connected to the outer side walls of the same sides of the dust cover 3 and the first radiating holes 32, and the second radiating holes 71 are formed in the outer side walls of the connecting box 7. The second heat dissipation holes 71 on the connection box 7 can ensure the heat dissipation effect, and in addition, the connection box 7 can reduce the entry of dust into the dust cover 3 through the first heat dissipation holes 32.

The implementation principle of the switching power supply transformer provided by the embodiment of the application is as follows: the installation strip 5 is pulled along the direction away from the connecting ring 4, the connecting column 51 moves out of the annular groove 41, the dust cover 3 is inserted into the annular groove 41, then the installation strip 5 is loosened, the installation strip 5 is inserted into the connecting groove 31 on the dust cover 3 under the action of the fastening spring 52, so that the dust cover 3 is fixed on the shell 1, the dust cover 3 can cover the coil winding 2, dust is reduced to fall on the coil winding 2, and normal operation of the switching power supply transformer is ensured.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. The utility model provides a switching power supply transformer, includes casing (1), be provided with the cavity on casing (1), be provided with coil winding (2) in the cavity, its characterized in that: the utility model discloses a dust cover for covering coil winding (2), be connected with shield (3) on casing (1), one side of casing (1) orientation shield (3) is provided with go-between (4), go-between (4) up end is offered along circumference and is supplied shield (3) male ring channel (41), all be provided with mounting strip (5) on the opposite sides lateral wall of go-between (4), all be provided with spliced pole (51) perpendicularly at the both ends of one side of mounting strip (5) orientation shield (4), connecting hole (42) that supply spliced pole (51) male are offered to the lateral wall of go-between (4), connecting hole (42) and ring channel (41) intercommunication, set up on the lateral wall of shield (3) and supply spliced pole (51) male spread groove (31), every all the cover on spliced pole (51) is equipped with on the lateral wall that is used for tensioning mounting strip (5), one end and mounting strip (5) of fastening spring (52) are connected with the outside of connecting wall (4).

2. A switching power supply transformer according to claim 1, characterized in that: one side of the mounting strip (5) deviating from the connecting column (51) is provided with a mounting column (6), and an anti-skid groove (61) is formed in the mounting column (6) along the circumferential direction.

3. A switching power supply transformer according to claim 1, characterized in that: an elastic cushioning pad (53) is arranged at the end part of one end of the connecting column (51) far away from the mounting strip (5).

4. A switching power supply transformer according to claim 1, characterized in that: the two opposite outer side walls of the dust cover (3) are provided with first heat dissipation holes (32).

5. A switching power supply transformer according to claim 4, wherein: the dustproof cover (3) and the first radiating holes (32) are arranged on the outer side walls of the same sides, the connecting boxes (7) used for covering the first radiating holes (32) are arranged on the outer side walls of the dustproof cover, and the second radiating holes (71) are formed in the outer side walls of the connecting boxes (7).

6. A switching power supply transformer according to claim 1, characterized in that: the anti-fool block (8) is arranged on the outer side wall of the dust cover (3), and the anti-fool groove (43) for the blocking of the anti-fool block (8) is formed in the inner side wall of the connecting groove (31).