CN209785722U - Transformer coil framework - Google Patents

Abstract

The utility model discloses a transformer coil skeleton belongs to the transformer field, its technical scheme main points are including the main part, the one end of main part has set firmly preceding baffle, set up the preceding draw-in groove that runs through preceding baffle along pipe axis direction on the preceding baffle, all set firmly the inside convex preceding boss of draw-in groove before the orientation on two inside relative lateral walls of preceding draw-in groove, all set firmly preceding fixture block on the preceding baffle of preceding draw-in groove both sides, the direction protrusion of preceding draw-in groove is kept away from to preceding fixture block orientation, the other end of main part has set firmly the backplate, set up the back draw-in groove that runs through the backplate along perpendicular to backplate orientation on the backplate, the back draw-in groove is including setting up first back auxiliary groove and second back auxiliary groove on the backplate, first back auxiliary groove and second back auxiliary groove do not communicate, and first back auxiliary groove and second back auxiliary groove all communicate along the edge and the external world of backplate. The utility model provides a coil end is difficult to the technical problem fixed under the prior art, has reached the effect of fixed coil end that can be convenient, is applied to in the transformer.

Description

transformer coil framework

Technical Field

The utility model relates to a transformer field, more specifically the theory that says so, it relates to a transformer coil skeleton.

Background

The transformer is a common component in electronic products, the conventional transformer is manufactured by adopting a transformer winding machine or a manual winding method, a multi-winding coil is wound on a coil framework according to the determined wire diameter and the number of turns of an enameled wire, a magnetic core is arranged after the coil is wound, an inductance value test is carried out, and after the inductance value meeting the specified requirement is met, the magnetic core is bonded and cured.

With the development trend of miniaturization of electronic products, micro-miniature transformers are more and more widely applied, and when a small-sized high-voltage transformer with a wound coil having larger load voltage, smaller coil wire diameter, more windings and more turns is adopted, the coil end part of the transformer is difficult to fix due to the small coil framework area and the more windings.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a transformer coil skeleton, its preceding draw-in groove through preceding baffle on, preceding inside front protrusion piece of draw-in groove and back draw-in groove can be with the stable fixed of tip of coil.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a transformer coil skeleton, including the tubulose main part of circle, the one end of main part has set firmly the annular preceding baffle of circle, set up the preceding draw-in groove that runs through preceding baffle along pipe axis direction on the preceding baffle, all set firmly the inside convex preceding boss of draw-in groove before the orientation on two inside relative lateral walls of preceding draw-in groove, two mutual not butt of preceding boss, the edge and the external intercommunication of preceding baffle are followed to preceding draw-in groove, all set firmly the preceding fixture block that the edge stretches out preceding baffle edge on the preceding baffle of preceding draw-in groove both sides, the direction protrusion of preceding draw-in groove is kept away from to preceding fixture block orientation, the other end of main part has set firmly the backplate, set up the back draw-in groove that runs through the backplate along the perpendicular to backplate orientation on the backplate, the back draw-in groove is including setting up first back minor groove and second back minor groove on the backplate, first back minor groove does not communicate with the second back minor groove, and the edge and external intercommunication of backplate.

Through adopting above-mentioned technical scheme, when using, the user can be with the coil winding in the main part of pipe form, then pass preceding draw-in groove and two preceding lugs that set up relatively before the one end of coil, go into this section card of coil inside the preceding draw-in groove between two preceding lugs and the main part, then can place the other end of coil inside the back auxiliary groove, because each other not communicate between two back auxiliary grooves, so this one end of coil can be twined on the backplate between two back auxiliary grooves, reach fixed purpose.

Preferably, the following steps: two front clamping grooves are formed in the front baffle, and the two front clamping grooves are symmetrically distributed on two opposite sides of the front baffle.

Through adopting above-mentioned technical scheme, set up two preceding draw-in grooves and can the convenient to use person with the stable fixed of tip of coil, because the final position of the tip of coil can not be confirmed in the winding of coil, so set up two preceding draw-in grooves and can the convenient to use person with the end fixing of coil.

Preferably, the following steps: set firmly on the lateral wall of backplate with the coplanar back cardboard of backplate, all set firmly the back card post on the backplate of the both ends department of back cardboard, back card post not with back cardboard butt, the distribution of back cardboard and back draw-in groove symmetry is in the both sides of backplate.

Through adopting above-mentioned technical scheme, because the final position of the tip of coil can not be confirmed in the winding of coil, so set up with back cardboard that back draw-in groove symmetric distribution can convenient to use person with the end fixing of coil.

Preferably, the following steps: the both sides of back draw-in groove all set firmly the back fixture block, the direction protrusion of back cardboard is kept away from to back fixture block.

Through adopting above-mentioned technical scheme, because the direction protrusion of back cardboard is kept away from to the back fixture block, so the junction of back fixture block and backplate can form slot column structure, and convenient to use person is fixed and the winding coil in the tip overlength of coil.

Preferably, the following steps: the side wall of the front baffle plate, which faces away from the main body, is fixedly provided with a V-shaped front clamping edge, the opening of the front clamping edge faces one side of the front clamping groove, and the two ends of the opening of the front clamping edge are respectively positioned at the joint of the two front clamping blocks on the two sides of the front clamping groove and the front baffle plate.

Through adopting above-mentioned technical scheme, through preceding card limit convenient to use person twines the coil end portion of overlength and fixes.

Preferably, the following steps: the rear baffle is fixedly provided with a rear clamping edge which has the same shape as the front clamping edge, the opening of the rear clamping edge faces the rear clamping plate, and the two ends of the rear clamping edge are respectively positioned at the joint of the rear clamping column and the rear baffle.

Through adopting above-mentioned technical scheme, through back card limit convenient to use person with the winding of overlength coil tip and fixed.

To sum up, the utility model discloses compare and have following beneficial effect in prior art: 1. preceding draw-in groove on the preceding baffle, the inside preceding boss and the back draw-in groove of preceding draw-in groove can be with the stable fixed of tip of coil.

Drawings

FIG. 1 is an isometric view of an embodiment;

Fig. 2 is a schematic view showing a structure of a tailgate in the embodiment.

Reference numerals: 1. a main body; 2. a front baffle; 3. a tailgate; 4. a front card slot; 41. a front bump; 42. a front clamping block; 43. front edge clamping; 5. a rear clamping plate; 51. an additional groove; 52. a rear clamping column; 6. a rear clamping groove; 61. a first rear sub-tank; 62. a second rear sub-tank; 63. a rear clamping block; 7. and clamping the edge at the back.

Detailed Description

Example (b): a transformer coil framework, see figures 1 and 2, comprises a tubular main body 1, wherein a disc-shaped front baffle 2 is coaxially and fixedly arranged at one end of the main body 1, and a disc-shaped rear baffle 3 is coaxially and fixedly arranged at the other end of the main body 1. Two front clamping grooves 4 are formed in the front baffle 2, and the two front clamping grooves 4 are symmetrically distributed on two sides of the front baffle 2. Preceding draw-in groove 4 is along the edge of preceding baffle 2 and external intercommunication, and preceding draw-in groove 4 runs through preceding baffle 2 along the axis direction of main part 1. Preceding draw-in groove 4 is inside all to set firmly on two inside relative lateral walls of preceding draw-in groove 4 convex preceding lug 41 forward, and two inside preceding lugs 41 of same preceding draw-in groove 4 are each other not butt. Preceding fixture block 42 has all been set firmly on the preceding baffle 2 of preceding draw-in groove 4 both sides, and preceding fixture block 42 extends towards the direction of preceding draw-in groove 4 of keeping away from, and the tip of preceding fixture block 42 draw-in groove 4 of keeping away from is protruding towards the direction of baffle 2 of keeping away from. The side wall of the front baffle 2, which faces away from the main body 1, is fixedly provided with a v-shaped front clamping edge 43, the opening of the front clamping edge 43 is arranged towards one side of the front clamping groove 4, and two ends of the opening of the front clamping edge 43 are respectively positioned at the joint of the front clamping block 42 and the front baffle 2 at two sides of the front clamping groove 4. Set up back draw-in groove 6 on backplate 3, back draw-in groove 6 is including seting up first back auxiliary groove 61 and second back auxiliary groove 62 on backplate 3, and first back auxiliary groove 61 and second back auxiliary groove 62 do not communicate, and first back auxiliary groove 61 and second back auxiliary groove 62 all communicate with the external world along the edge of backplate 3, and first back auxiliary groove 61 and second back auxiliary groove 62 all run through backplate 3 along the direction of perpendicular to backplate 3. The both sides of back draw-in groove 6 all set firmly back fixture block 63, and back fixture block 63 is protruding to the direction of keeping away from back cardboard 5 with backplate 3 junction, and back fixture block 63 is protruding towards the direction of backplate 3 with backplate 3 junction simultaneously. Set firmly on the lateral wall of backplate 3 with 3 coplaner back cardboard 5 of backplate, all set firmly back card post 52 on the backplate 3 of the both ends department of back cardboard 5, back card post 52 not with 5 butts of back cardboard, form additional groove 51 between back card post 52 and the back cardboard 5, additional groove 51 runs through backplate 3 along the direction of perpendicular to backplate 3, and additional groove 51 runs through backplate 3 along the edge of backplate 3, the distribution of back cardboard 5 and 6 symmetries of back card groove is in the both sides of backplate 3. The rear baffle 3 is fixedly provided with a rear clamping edge 7 which has the same shape as the front clamping edge 43, the opening of the rear clamping edge 7 faces the rear clamping plate 5, and two ends of the rear clamping edge 7 are respectively positioned at the connecting part of the rear clamping column 52 and the rear baffle 3.

The working principle of the transformer coil framework during use is as follows: when using, the user can be with the coil winding on the main part 1 of pipe form, then pass preceding draw-in groove 4 and two relative preceding lugs 41 that set up with the one end of coil, go into this section card of coil inside preceding draw-in groove 4 between two preceding lugs 41 and the main part 1, then can place the other end of coil inside the back auxiliary groove, because mutual not intercommunication between two back auxiliary grooves, so this one end of coil can be twined on backplate 3 between two back auxiliary grooves, reach fixed purpose.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A transformer coil skeleton which characterized in that: comprises a tubular main body (1), one end of the main body (1) is fixedly provided with a circular ring-shaped front baffle (2), the front baffle (2) is provided with a front clamping groove (4) which penetrates through the front baffle (2) along the axis direction of a circular tube, two opposite side walls inside the front clamping groove (4) are respectively and fixedly provided with a front convex block (41) which protrudes towards the inside of the front clamping groove (4), the two front convex blocks (41) are not mutually abutted, the front clamping groove (4) is communicated with the outside along the edge of the front baffle (2), the front baffles (2) at the two sides of the front clamping groove (4) are respectively and fixedly provided with a front clamping block (42) the edge of which extends out of the edge of the front baffle (2), the front clamping block (42) protrudes towards the direction far away from the front clamping groove (4), the other end of the main body (1) is fixedly provided with a rear baffle (3), the rear clamping groove (6) which penetrates through the rear baffle (, the rear clamping groove (6) comprises a first rear auxiliary groove (61) and a second rear auxiliary groove (62) which are formed in the rear baffle (3), the first rear auxiliary groove (61) is not communicated with the second rear auxiliary groove (62), and the first rear auxiliary groove (61) and the second rear auxiliary groove (62) are communicated with the outside along the edge of the rear baffle (3).

2. The transformer bobbin of claim 1, wherein: two front clamping grooves (4) are formed in the front baffle (2), and the two front clamping grooves (4) are symmetrically distributed on two opposite sides of the front baffle (2).

3. The transformer bobbin of claim 2, wherein: set firmly on the lateral wall of backplate (3) with backplate (3) coplane back cardboard (5), all set firmly back card post (52) on backplate (3) of the both ends department of back cardboard (5), back card post (52) not with back cardboard (5) butt, the both sides of distribution backplate (3) of back cardboard (5) and back draw-in groove (6) symmetry.

4. The transformer bobbin of claim 3, wherein: rear clamping blocks (63) are fixedly arranged on two sides of the rear clamping groove (6), and the rear clamping blocks (63) protrude in the direction far away from the rear clamping plate (5).

5. The transformer bobbin of claim 4, wherein: the side wall of the front baffle (2) back to the main body (1) is fixedly provided with a V-shaped front clamping edge (43), the opening of the front clamping edge (43) faces one side of the front clamping groove (4), and two ends of the opening of the front clamping edge (43) are respectively positioned at the joint of two front clamping blocks (42) at two sides of the front clamping groove (4) and the front baffle (2).

6. The transformer bobbin of claim 5, wherein: the rear baffle (3) is fixedly provided with a rear clamping edge (7) which has the same shape as the front clamping edge (43), the opening of the rear clamping edge (7) is arranged towards the rear clamping plate (5), and two ends of the rear clamping edge (7) are respectively positioned at the connecting part of the rear clamping column (52) and the rear baffle (3).