CN201121281Y - An automatic cord winding device for an electric iron - Google Patents

Abstract

The utility model relates to an automatic coiling device of electric iron, it is located in the iron seat, including a fixed disk, a rotation rim plate and a wind spring. The power cord can be automatically rolled into the wire winding space of the rotating wheel disc by driving the rotating wheel disc to rotate through the coil spring, then, a braking mechanism for clamping/loosening the rotation of the rotating wheel disc is additionally arranged on the fixed disc, so that the power cord can be fixed without being curled or contracted after being drawn out by a required length, and the braking mechanism is clamped to stop the rotation of the rotating wheel disc at the moment; when the exposed power line part needs to be withdrawn after use, a small section of the power line is pulled out and then loosened, the braking mechanism automatically releases the clamping effect on the rotating wheel disc, and the power line is automatically withdrawn completely. The utility model has the characteristics of easy operation, convenient to use, but wide application in various electric irons that are equipped with the iron seat.

Description

An automatic cord winding device for an electric iron

technical field

The utility model relates to the technology in the field of electric irons, in particular to an automatic wire winding device for electric irons.

Background technique

Electric irons are generally equipped with an iron stand. With the continuous development of electric iron technology, the function of the iron stand is not limited to the traditional single use for stably placing the discharge iron, such as the newly emerging steam electric iron and cordless electric iron. The iron stand is also used to store water and provide a power connection for the iron. Those iron bases that provide power connections for electric irons are all connected to the power supply through power cords. However, the exposed power cords are not only extremely easy to damage and cause potential safety hazards, but also the inability of the power cords to be stored will cause inconvenience to people's use. At present, although some iron stands with the function of automatically storing power cords have appeared, the structures of these iron stands for automatically taking up wires are too complicated, and the operation is also very troublesome.

Utility model content

The utility model aims at the defects of the prior art, and its main purpose is to provide an automatic cord winding device for an electric iron that is easy to operate and easy to use, which can automatically store the power cord of the electric iron in the iron stand.

In order to achieve the above object, the utility model adopts the following technical solutions:

An automatic cord winding device for an electric iron, located in the iron stand, comprising

A fixed plate, on which a first rotating shaft and a braking mechanism are arranged;

A rotating wheel for retracting the power cord, the rotating wheel is pivoted on the first rotating shaft, and the rotating wheel is provided with a raised stop subject to the braking mechanism;

A coil spring that can promote the rotation of the rotating wheel, the coil spring is located in the rotating wheel and is wound around the periphery of the first rotating shaft.

The brake mechanism includes a second rotating shaft, a block and a U-shaped spring. The block is pivotally sleeved on the second rotating shaft and located in the U-shaped spring. The block is provided with a first stop arm and a For the second blocking arm, the reverse force of the blocking block on the first blocking arm combined with the friction force between the blocking block and the second rotating shaft forms a self-locking structure.

The U-shaped elastic piece includes a first elastic arm and a second elastic arm respectively acting on the first blocking arm and the second blocking arm, and a wave protrusion is provided on the second elastic arm.

The second rotating shaft is arranged on a positioning plate, and the positioning plate fixes the block and the U-shaped elastic piece on the fixed plate through screws.

The rotating roulette includes an upper roulette, a lower roulette and a coil spring cover. The lower roulette is composed of a disk body, an upper hub protruding from the upper surface of the disc body, and a lower hub protruding from the lower surface of the disc body. , the upper hub and the upper disc are combined to form a take-up space where the power cord can be wound, and the lower hub is combined with the coil spring cover to form an accommodating cavity that can accommodate the coil spring.

The stopper is arranged on the outer surface of the lower hub.

Compared with the prior art, the utility model has the beneficial effect that the coil spring drives the rotating wheel to rotate, and the power cord can be automatically drawn into the wire-receiving space of the rotating wheel, thereby realizing the automatic wire-receiving function. Then, a brake mechanism for locking/releasing the rotation of the rotating wheel is provided on the fixed disk, so that the power cord can be pulled out to the required length and then fixed without shrinking. The moving mechanism locks the rotation of the rotating wheel; when the exposed part of the power cord needs to be retracted after use, just pull out the power cord for a short distance and release it, and the braking mechanism automatically releases the locking effect on the rotating wheel , the power cord will be retracted automatically.

In summary, the utility model has the characteristics of simple operation and convenient use, and can be widely used in various electric irons equipped with iron stands.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the utility model;

Fig. 2 is another perspective view of the utility model;

Fig. 3 is a three-dimensional enlarged view of the automatic winding device of the present invention;

Figure 4 is an exploded enlarged view of the automatic winding device of the present invention;

Figure 5 is an exploded and enlarged view of the rotating wheel of the present invention;

Figure 6 is an exploded enlarged view of the braking mechanism of the present utility model;

Figure 7 is a perspective view of the rotating wheel of the present invention in a locked state;

Fig. 8 is a perspective view of the rotating wheel of the present invention in a loose state.

Fig. 9 is a perspective view of the rotating wheel of the present invention in a waiting state.

Explanation of the accompanying drawings:

10. Iron seat 11. Accommodating groove

20. Main body of electric iron 30. Power cord

40. Fixed plate 41. First rotating shaft 42. Braking mechanism

421. Positioning plate 421a. Second rotating shaft 422. U-shaped shrapnel

422a, first elastic arm 422b, second elastic arm 422c, wave bulge

423. Block 423a. Block body 423b. First stop arm

423c, second stop arm 43, tenon

50. Turn the roulette 51. Upper roulette 52. Lower roulette

521. Disk body 522. Upper hub 523. Lower hub

523a, block 53, coil spring cover 53a, bump

60. Coil spring 70. Connection

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described:

Referring to Figures 1 to 6, the specific structure of an embodiment of the present invention is shown, including an iron base 10 and an electric iron body 20, the iron base 10 is provided with an accommodating groove 11 that can be opened and closed, The accommodating groove 11 is adapted to the shape of the electric iron main body 20, and the electric iron main body 20 can be taken out or put in freely from the accommodating groove 11. 30 is electrically connected, and the power cord 30 is stored on an automatic cord winding device located in the iron stand 10 .

Wherein, the automatic winding device includes a fixed disc 40, a rotating disc 50 and a coil spring 60, the fixed disc 40 is provided with a first rotating shaft 41 and a brake mechanism 42, and the rotating disc 50 is pivoted on the second On a rotating shaft 41, a protruding block 523a cooperating with the aforementioned brake mechanism 42 is provided on the rotating wheel disc 50, and the braking mechanism 42 controls the rotating wheel disc by engaging/releasing the block 523a 50 rotation limit.

The rotating wheel 50 includes an upper wheel 51, a lower wheel 52 and a spring cover 53. The upper wheel 51 is a flat plate structure, and the lower wheel 52 consists of a body 521 and an upper wheel hub 522 protruding from the upper surface of the body 521. and the lower wheel hub 523 protruding from the lower surface of the disc body 521, the disc body 521, the upper hub 522 and the upper wheel disc 51 are combined to form a take-up space where the power cord 30 can be wound, and the lower hub 523 is combined with the coil spring cover 53 An accommodating cavity capable of accommodating the coil spring 60 is formed. The aforementioned protruding stopper 523 a is disposed on the outer surface of the lower hub 523 .

The coil spring 60 is located in the accommodating cavity of the aforementioned rotating wheel 50, and is used to impel the rotating wheel 50 to turn and reset. On the projection 53 a on the cover 53 , the other end hooks the tenon 43 next to the first rotating shaft 41 of the fixed disk 40 .

The aforementioned brake mechanism 42 includes a U-shaped elastic piece 422, a clamping block 423 and a positioning plate 421. The positioning plate 421 fixes the clamping block 423 and the U-shaped elastic plate 422 on the fixed plate 40 by two screws, and the positioning plate 421 is provided with There is a second rotating shaft 421a, on which the clamping block 423 is pivotally sleeved, and cooperates with the second rotating shaft 421a in a very small gap. The clamping block 423 is composed of the clamping block body 423a and the first The blocking arm 423b is composed of the second blocking arm 423c.

The U-shaped elastic piece 422 is made of a metal sheet, and it is used to control the operation of the block 423 located inside it. The U-shaped elastic piece 422 is provided with a first elastic arm 422a and a second elastic arm 422b. The first elastic arm 422a functions On the first arm 423b of the block 423, to limit the swing position of the first arm 423b, the second elastic arm 422b is provided with a wave protrusion 422c, and the wave protrusion 422c acts on the second arm 423 of the block 423. on the arm.

Referring to Fig. 7, it is a schematic diagram of the rotating wheel 50 of the present invention when it is in a locked state. At this time, the first arm 423b of the locking block 423 is located on the left side of the connecting line 70 between the first rotating shaft 41 and the second rotating shaft 421a, and rotates The block 523a on the wheel 50 pushes against the first arm 423b, and the reverse force of the block 523a on the first arm 423b combined with the friction between the block 423 and the second shaft 421a forms a self-locking structure , the block 423 is self-locked on the second rotating shaft 421a and cannot rotate, and at the same time, the rotating wheel 50 is blocked; , driving the second elastic arm 422b of the U-shaped elastic piece 422 to deform outward.

If the power cord 30 is pulled, the aforesaid self-locking structure becomes ineffective due to the loss of the reverse force exerted by the block 523a on the first arm 423b, so the block 423 is in the state of being able to rotate freely on the second rotating shaft 421a, and the wave protrusion 422c just The rebound pushes the block 423 to rotate in the forward direction, and the first retaining arm 423b on the block 423 turns to the right side of the connecting line 70. Referring to FIG. 30 can also be fully pulled out or fully automatically rolled up.

If you want to pull out a part of the length of the power cord 30 for use, you only need to pull the power cord 30 and rotate the whole number of turns in the forward direction. The left angle A is in the range of 10 degrees to 30 degrees (refer to FIG. 9 ), and it is in the position to be locked that can form the aforementioned self-locking structure. At this time, the first elastic arm 422a and the second elastic arm 422b of the U-shaped elastic piece 422 The combination respectively acts on the first stop arm 423b and the second stop arm 423c of the block 423 to position the block 423 . Then loosen the pulling force on the power cord 30, and the block 523a pushes against the first arm 423b again, and the reverse force of the block 523a on the first arm 423b is combined with the friction between the block 423 and the second rotating shaft 421a The force forms a self-locking structure, and the rotating wheel 50 is locked again and cannot rotate (refer to FIG. 7 ). The power cord 30 is also pulled out a part of the length and is in a positioning state that cannot be automatically retracted.

The key point of the utility model is that the rotating wheel 50 is driven to rotate by the coil spring 60, and the power cord 30 can be automatically drawn into the wire-receiving space of the rotating wheel 50, thereby realizing the automatic wire-receiving function. A brake mechanism 42 for locking/releasing the rotation of the rotating wheel is additionally provided on the fixed disc 40, so that the power cord 30 can be pulled out to a required length and then fixed without crimping. The brake mechanism 42 locks the rotation of the rotating wheel 50; when the exposed power cord part needs to be retracted after use, it is only necessary to pull out the power cord 30 for a short period and release it, and the brake mechanism 42 automatically releases the rotation of the rotating wheel. When the locking effect of the disk 50 is reached, the power cord 30 is automatically retracted completely. The utility model has the characteristics of simple structure, convenient operation, economy and practicality, and can be widely applied to various electric irons equipped with iron seats.

The above is only a preferred embodiment of an automatic cord winding device for an electric iron of the present utility model, and is not intended to limit the technical scope of the present utility model. For example, the stopper 523a on the rotating wheel 50 is not limited to one , it can also be set to two or more, the effect is that with the increase of the number of stoppers 523a, the gear density of the rotating wheel 50 is increased; the main body 20 of the electric iron can be a wired electric iron Or the cordless electric iron is not limited; the second rotating shaft 421 a is not limited to be set on the positioning plate 421 , it can also be set on the fixed plate 40 to achieve the same effect. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the scope of the technical solution of the present invention.

Claims (6)

1, the automatic coiling apparatus of a kind of electric iron is located in the flatiron seat, it is characterized in that: comprise

One fixed disk, this fixed disk is provided with first rotating shaft and arrestment mechanism;

One is used to furl the rotating wheel disk of power line, and the rotating wheel disk pivot is placed in first rotating shaft, and is provided with the protruding block that at least one is limited by aforementioned arrestment mechanism in rotating wheel disk;

One can impel the rotating wind spring of rotating wheel disk, and this wind spring is positioned at rotating wheel disk, and is set around the first rotating shaft periphery.

2, the automatic coiling apparatus of a kind of electric iron according to claim 1, it is characterized in that: described arrestment mechanism comprises second rotating shaft, fixture block and U-shaped shell fragment, the fixture block pivot is placed in second rotating shaft, and be positioned at the U-shaped shell fragment, fixture block is provided with first blocking arm and second blocking arm that is limited by the U-shaped shell fragment, and aforementioned block forms a self-locking structure in conjunction with the frictional force between the fixture block and second rotating shaft for the backward-acting power of first blocking arm.

3, the automatic coiling apparatus of a kind of electric iron according to claim 2 is characterized in that: described U-shaped shell fragment comprises first elastic arm and second elastic arm that acts on aforementioned first blocking arm and second blocking arm respectively, and second elastic arm is provided with a wave projection.

4, the automatic coiling apparatus of a kind of electric iron according to claim 2, it is characterized in that: described second rotating shaft is located on the location-plate, and this location-plate is fixed in fixture block and U-shaped shell fragment on the fixed disk by screw.

5, the automatic coiling apparatus of a kind of electric iron according to claim 1, it is characterized in that: described rotating wheel disk comprises wheel disc, following wheel disc and wind spring lid, following wheel disc is made up of disk body, the lower hub that is raised in the last wheel hub of disk body upper surface and is raised in the disk body lower surface, but disk body, last wheel hub and last wheel disc are combined to form the take-up space of rolled power line, and lower hub then is combined to form the ccontaining cavity that can hold wind spring with the wind spring lid.

6, the automatic coiling apparatus of a kind of electric iron according to claim 5, it is characterized in that: described block is located on the lower hub outer surface.

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