CN201873387U - Lead reel - Google Patents

Abstract

The utility model discloses a lead reel, which comprises a gear, a socket plate and a hub. A slot for winding a lead is formed between the gear and the socket plate; a spring snap-gauge is arranged in a hub bore of the hub; the surface of the gear or the socket plate is provided with a first conductive ring and a second conductive ring; and the first conductive ring and the second conductive ring are respectively provided with a conductive ball rolling track and a lead welding positioning pin. When the lead reel is used, the lead wound on the reel is not easy to fall off, is convenient to roll and can be randomly stretched. The lead reel is extremely convenient to operate and is widely applied to portable electrical products like chargers and the like.

Description

The coil of wire drum

Technical field

The utility model relates to a kind of parts of electric equipment products, especially the winder of electric equipment products.

Background technology

At present, the winding roll of ordinary appliances product on the market, unreasonable structure, in use, spiral lead in the above is easy to generate and comes off, and jam is lived unsve phenomenon, and influence is used.

Summary of the invention

The purpose of this utility model provides a kind of lead difficult drop-off, is convenient to the coil of wire drum of rolling.

The technical solution of the utility model is that a kind of coil of wire drum comprises gear, frid and wheel hub; The groove of lead is formed between described gear and the frid reeling; Has spring clamp plate in the hub bore of described wheel hub; The surface of described gear or frid has first conductive ring and second conductive ring.

All have conductive bead roller track and wire bonds positioning pin on described first conductive ring and second conductive ring.

All bossed conduction feeler on described first conductive ring and second conductive ring.The bossed first conduction feeler on perhaps described first conductive ring, second conductive ring is the annulus of a surfacing.The bossed second conduction feeler on perhaps described second conductive ring, first conductive ring is the annulus of a surfacing.Perhaps described first conductive ring and second conductive ring all are annulus of surfacing.

Correspondence is provided with the rule pawl on described gear and the frid, and the rule pawl is positioned at the groove of coiling lead.

When described first conductive ring and second conductive ring are contained on the gear, have perforate on the described frid, the position of perforate is corresponding with the position of the wire bonds positioning pin of first conductive ring and second conductive ring.

Form one section circular arc draw-in groove between the hub bore wall of described spring clamp plate and wheel hub.

Described gear is a ratchet.

After adopting said structure, the utility model is installed in the wiring duct box when using, and Wire-wound forms difficult drop-off in the metallic channel between gear and frid; If gear of the present utility model cooperates with hock on the wiring duct box, then to be convenient to stretch and the rolling lead, the lead on the coil of wire drum can stretch arbitrarily, and is easy to operate.The utility model is widely used on the portable electronics products such as charger.

Description of drawings

Below contrast accompanying drawing, by the description of the specific embodiment, the utility model is described in further detail.

Fig. 1 is the structural front view of first embodiment of the present utility model;

Fig. 2 is the right elevation of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the upward view of Fig. 1;

Fig. 5 is the birds-eye view of Fig. 1;

Fig. 6 is the back view of Fig. 1;

Fig. 7 is the cutaway view of Fig. 1 along the A-A line;

Fig. 8 is the cutaway view of Fig. 2 along the B-B line;

Fig. 9 is the cutaway view of Fig. 2 along the C-C line;

Figure 10 is the cutaway view of Fig. 6 along the D-D line;

Figure 11 is the cutaway view of Fig. 6 along the E-E line;

Figure 12 is the perspective view of first conductive ring among Fig. 1;

Figure 13 is the perspective view of second conductive ring among Fig. 1;

Figure 14 is the structural front view of second embodiment of the present utility model;

Figure 15 is the birds-eye view of Figure 14;

Figure 16 is the perspective view of first conductive ring among Figure 14;

Figure 17 is the perspective view of second conductive ring among Figure 14;

Figure 18 is the structural front view of the 3rd embodiment of the present utility model;

Figure 19 is the birds-eye view of Figure 18;

Figure 20 is the perspective view of first conductive ring among Figure 18;

Figure 21 is the perspective view of second conductive ring among Figure 18.

The specific embodiment

Shown in Fig. 1～13, first embodiment of the present utility model, a kind of coil of wire drum comprises gear 1, frid 2 and wheel hub 3; The groove 4 of lead is formed between described gear 1 and the frid 2 reeling; Has spring clamp plate 3-2 among the hub bore 3-1 of described wheel hub 3; The surface of described gear 1 or frid 2 has first conductive ring 5 and second conductive ring 6.

Shown in Fig. 6,7,8,10,11,12,13, can on first conductive ring 5 and second conductive ring 6, steadily roll in order to make conductive bead, all have conductive bead roller track 7 and wire bonds positioning pin 8 on described first conductive ring 5 and second conductive ring 6.8 of wire bonds positioning pins are used for and wire bonds.

Shown in Fig. 2,4,5,7, in order not draw the weld of bad lead and wire bonds positioning pin 8 when the stretching lead, correspondence is provided with rule pawl 10 on described gear 1 and the frid 2, and rule pawl 10 is positioned at the groove 4 of coiling lead.Like this, rule pawl 10 just can clamp a section lead, and the pulling force of lead is delivered to wheel hub 3 through rule pawl 10, avoids weld stressed.

Shown in Fig. 6,7,9,10,11, when described first conductive ring 5 and second conductive ring 6 are contained on the gear 1, have perforate 2-1 on the described frid 2, the position of perforate 2-1 is corresponding with the position of the wire bonds positioning pin 8 of first conductive ring 5 and second conductive ring 6.Be convenient to like this come welding lead and wire bonds positioning pin 8 by perforate 2-1.

Shown in Fig. 1,7,9,10,11,, form one section circular arc draw-in groove 3-3 between the hub bore 3-1 wall of described spring clamp plate 3-2 and wheel hub 3 for the ease of fixed scroll spring in the hub bore 3-1 of wheel hub 3.

Shown in Fig. 1,6,8, described gear 1 is a ratchet.

Shown in Figure 14～17, in second embodiment of the present utility model, all bossed conduction feeler 9 on first conductive ring 5 and second conductive ring 6.Conductive ring on the coil of wire drum of being convenient to like this use with pairing electrically contacts.

The bossed first conduction feeler on perhaps described first conductive ring 5, second conductive ring 6 is annulus of a surfacing.

The bossed second conduction feeler on perhaps described second conductive ring 6, first conductive ring 5 is annulus of a surfacing.

All the other structures are identical with above-mentioned first embodiment.

Shown in Figure 18～21, in the 3rd embodiment of the present utility model, first conductive ring 5 and second conductive ring 6 all are annulus of surfacing.

All the other structures are identical with above-mentioned first embodiment.

Claims (10)

1. coil of wire drum is characterized in that:

A, comprise gear (1), frid (2) and wheel hub (3);

The groove (4) of lead is formed between b, described gear (1) and the frid (2) reeling;

Has spring clamp plate (3-2) in the hub bore (3-1) of c, described wheel hub (3);

The surface of d, described gear (1) or frid (2) has first conductive ring (5) and second conductive ring (6).

2. coil of wire drum according to claim 1 is characterized in that: all have conductive bead roller track (7) and wire bonds positioning pin (8) on described first conductive ring (5) and second conductive ring (6).

3. coil of wire drum according to claim 1 is characterized in that: all bossed conduction feeler (9) on described first conductive ring (5) and second conductive ring (6).

4. coil of wire drum according to claim 1 is characterized in that: described first conductive ring (5) is gone up the bossed first conduction feeler, and second conductive ring (6) is the annulus of a surfacing.

5. coil of wire drum according to claim 1 is characterized in that: described second conductive ring (6) is gone up the bossed second conduction feeler, and first conductive ring (5) is the annulus of a surfacing.

6. coil of wire drum according to claim 1 is characterized in that: described first conductive ring (5) and second conductive ring (6) all are annulus of surfacing.

7. coil of wire drum according to claim 1 is characterized in that: described gear (1) and frid (2) are gone up correspondence and are provided with rule pawl (10), and rule pawl (10) is positioned at the groove (4) of coiling lead.

8. coil of wire drum according to claim 1, it is characterized in that: when described first conductive ring (5) and second conductive ring (6) are contained on the gear (1), have perforate (2-1) on the described frid (2), the position of perforate (2-1) is corresponding with the position of the wire bonds positioning pin (8) of first conductive ring (5) and second conductive ring (6).

9. coil of wire drum according to claim 1 is characterized in that: form one section circular arc draw-in groove (3-3) between hub bore (3-1) wall of described spring clamp plate (3-2) and wheel hub (3).

10. coil of wire drum according to claim 1 is characterized in that: described gear (1) is a ratchet.

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