KR100194437B1 - Cord Reel Assembly for Vacuum Cleaner - Google Patents

Abstract

The present invention relates to a cord reel assembly for a vacuum cleaner, which is fitted to a cleaner body and is fixed to a reel cover provided with a power safety means (14) including a cord reel connector (11), a fuse (12), and a wire harness (13). 10) and the reel shaft 20 fitted at a predetermined position of the reel cover 10 and the outer circumferential surface of the reel shaft 20 are fitted and fixed, with two circular terminals 33 and 34 spaced apart on the outer circumferential surface. A terminal holder 30 installed, a braking means 40 installed at an upper predetermined position of the reel cover 10 to control rotation of a body reel 50 to be described later, and the reel shaft 20 and The body reel 50 is installed to be fitted to the outer circumferential surface of the terminal holder 30 and the outer circumferential surface is brought into close contact by the control means 40, and the circular terminal 33 is disposed at the inner center of the body reel 50. , 34 is fitted and fixed to the terminal member fitting groove 56 formed to be exposed to the outside The terminal member 60 is provided with the slide terminals 62, 63 which are in contact with the body reel 50 in the rotational direction on the outer circumferential surfaces of the circular terminals 33, 34, and the terminals on the slide terminals 62, 63. On the power cord 70 and the body reel (500) installed via the connector 71, a spring box (80) fixed to the opposite side of the reel cover (10) and the spring box (80) The outer end of the circumferential direction is fixed and is formed of a spiral spring 90 is installed to be fixed to the tip of the reel shaft 20, there is no need to use screws to fasten the respective components constituting the cord reel assembly, Reduced weight makes it easy for cleaning workers to use when cleaning, and the assembly structure is simple, so the assembly is excellent, so it takes less time for assembly work and productivity is improved, and power is supplied from the power cord to the fan motor. For the same contact Since the center of rotation to the take-off so as to have contact with the take-up during the working to clean the power cord (70) securely to improve the life of the motor, as well as cleaner.

Description

Cord Reel Assembly for Vacuum Cleaner

The present invention relates to a cord reel assembly for a vacuum cleaner installed on a cleaner body so as to supply power to a drive motor. In particular, assemblability is improved and contact defects are not generated, and manufacturing costs can be greatly reduced. It relates to a cord reel assembly for a vacuum cleaner.

In general, various types of vacuum cleaners for cleaning dust and foreign substances by suction force of the driving motor have been proposed in various forms, and accordingly, cord reel assemblies are also variously proposed.

As shown in FIG. 1 and FIG. 2, the installation structure of the cord reel assembly for the vacuum cleaner includes the motor 200 installed on the cleaner body 100 and the side wall 120 of the cleaner body 100 on which the wheels 110 are installed. Cord reel assembly 300 is installed between the, and the adjustment body 500 is installed via the screw 400 is inserted into the upper back surface of the cleaner body 100 of the control body 500 The cord reel 700 is installed to elastically move by the elastic force of the spring 600 installed at a predetermined position and to press the brake lever 340 installed in the cord reel assembly 300.

Here, the cord reel assembly 300 is installed in a reel cover 310 having a predetermined shape and the front center of the reel cover 310, as shown in FIGS. Power cord 331 at the center of rotation and opposite to the power safety device 320 installed in the center of the front of the reel cover 9310 installed with the power safety device 320 and the power safety device 320 is installed. Is inserted in a wound state and rotatably assembled through the screw 340, the body reel assembly 330, and is installed on the reel cover 310 so as to control the rotation of the body reel assembly 3300 It consists of a braking device 340.

The reel cover 310 is provided with a braking device installation unit 311 for installing the braking device 340, the brake lever of the braking device 340 to be described later in front of the braking device installation unit 311 ( In addition to the fitting protrusion 312 in which the 342 is rotatably fitted, the brake positioning member 343 of the brake 340 is provided in front of the brake mounting portion 311 and the fitting protrusion 312. Positioning member support portion 313 is provided to be in close contact with each other.

And the power safety device 320 is in close contact with the circular terminal (332a, 332b) to be described later of the body reel assembly 330 while rotating the butterfly terminal (321,322) and the butterfly installed in a different center of rotation so that the power is supplied to the butterfly A fuse 324 and a temperature controller 325 which are installed through the wire 323 connected to the terminals 321 and 322 so as to prevent safety accidents due to overcurrent and overload, and the fuse 324. ) And a cord connector 326 connected to the temperature controller 325.

In addition, the body reel assembly 330 is a terminal mounting reel 333 having a circular terminal (332a, 332b) in the center of rotation, such as the butterfly terminal (321,322) of the power safety device 320, and the terminal mounting reel ( 333 and a spiral spring mounting reel 335 fastened with a screw 334 to wind the power cord 331, and a spiral spring 336 installed on one side of the spiral spring mounting reel 335 and this spiral. In addition to the center end of the spring 336, the spiral spring mounting reel 335, the terminal mounting reel 333 and the central shaft 337 fitted into the center of the reel cover 310, and the central shaft 337 In addition to the fitting is made of money cover 339 to prevent the separation of the spiral spring 336 via the screw 338.

The braking device 340 is fitted to the upper portion of the compression spring 341 and the compression spring (341) and is vertically supported on the brake device installation portion 311 (the fitting protrusion of the reel cover 310) The brake lever 342 installed to be rotatable and inserted into the front side of the brake lever 342 and fitted to the front of the brake lever 342 and in close contact with the positioning member support 313 of the reel cover 310 may be mounted on the terminal reel. And a brake positioning member 343 capable of selectively preventing rotation of the 333.

Therefore, when the cleaner worker pulls the power cord 331 of the body reel assembly 330 in a state where the cord reel assembly 300 is installed on the cleaner body 100, the cleaner is fitted to the cleaner body 100 without rotation. The body reel assembly 330 is the power cord 331 is released to a predetermined length by the center of rotation of the central axis (337).

At this time, the center end is fixed to the central shaft 337 and the circumferential end is fixed to the spiral spring installation reel 335 of the body reel assembly 330 is stably fixed by the screw 338 and the cover 339 While the spiral spring 336 is wound, it is equipped with a rotation restoring force that tries to rotate in a direction opposite to the winding direction, but the brake positioning member 343 installed through the spring 341 and the brake lever 342 of the braking device 340. Presses the circumferential surface of the terminal installation reel 333 in a state in which the reel cover 310 is in close contact with the positioning member support 313, thereby controlling the rotation restoring force of the spiral spring 336. 331 is drawn out to a predetermined length is maintained.

On the other hand, when the power cord 331 is drawn out to a certain length, the power cord 331 is inserted into the power plug, and then the power switch of the vacuum cleaner is inserted into the power cord 331 → circular terminals 332a and 332b. → butterfly terminal (321,322) → electric wire (323) → fuse (324) / temperature controller (325) → cord connector (326) → the fan motor is connected to the cleaning work is finished, the cord reel button (700) is lowered While pressing the cord reel button 700, the lower end rotates the brake lever 342 installed in the cord reel assembly 300 in the pushing direction so that the brake positioning member 343 of the terminal mounting reel 333 is rotated. It will fall off the circumference.

At this time, the body reel assembly 330 is wound around the spiral spring 336 with the elastic restoring force generated when the power cord 331 is drawn out, while the power reel 330 is rotated around the central axis 337 in the center of rotation to store the power cord 331. It becomes

However, since the cord reel assembly 300 has a large number of parts, a lot of weight is used, the cleaning worker is not only inconvenient when cleaning, but also the structure is complicated, so that assembly time is bad, and thus a lot of time is required for assembly work. Since the center of rotation is arranged differently in contact between the butterfly terminals 321 and 322 and the circular terminals 332a and 332b, the contact state is poor when the power cord 331 is pulled out and wound up during the cleaning operation to shorten the life of the motor as well as the cleaner. There was a flaw.

Accordingly, the present invention is devised to solve the above-mentioned drawbacks, and the number of parts is reduced by not using the screw for fastening, and the weight is reduced, so that the cleaning worker is easy to use when cleaning and the structure is simple, so the assembly is excellent. Productivity is improved because the time required for assembly work is reduced, and the contact for supplying power from the power cord to the fan motor is in the same center of rotation. An object of the present invention is to provide a cord reel assembly for a vacuum cleaner that can improve the service life of the vacuum cleaner.

1 is an exploded perspective view showing a position where the cord reel assembly according to the prior art is installed on the cleaner body.

2 is a perspective view of a cord reel assembly according to the prior art.

3 is an exploded perspective view of a cord reel assembly according to the prior art.

4 is a cross-sectional view taken along line I-1 of FIG.

Figure 5 is a front view showing a partial cross-section of the cord reel assembly according to the present invention.

6 is a left side view of FIG.

7 is a schematic right side view of FIG.

8 is a cross-sectional view taken along the line II-II of FIG.

9 is a cross-sectional view taken along the line III-III of FIG.

* Explanation of symbols for main parts of the drawings

1: cord reel assembly 10: reel cover

11: reel cover 12: fuse

13; Wire harness (wire) 14: Power supply safety device

15: power cord guide 16: reel storage

17: wire support 18: fitting protrusion

19: support portion 20: reel shaft

21: fixed portion 22: rotation support portion

22a: square hole 23: terminal support member fixing part

24: spring winding 30: terminal support member

31: cylindrical part 32: terminal drawing part

33,34: Round terminal 40: Braking device

41: brake lever 41a: restoring force generating unit

41b: fitting hole 41c: brake shaft support portion

42: brake shaft 43: brake positioning member

50: body reel 51: rotation guide hole

52: support member fitting hole 53: braking reel

54: winding hole 55: box mounting reel

56: terminal member fitting groove 57: box mounting portion

60: terminal member 61: terminal block

62,63: sliding terminal 70: power cord

71: terminal connector 80: spring box

90: spiral spring

The present invention for achieving the above object is a reel shaft and a reel shaft fitted to a predetermined position of the reel cover and the reel cover is installed and secured to the cleaner body, the cord reel connector, fuse and wire harness is installed A braking device installed on the outer circumferential surface and fixed to the outer circumferential surface of the terminal support member and the reel cover installed at an upper predetermined position of the reel cover to control the rotation of the body reel; In addition to being fitted to the outer circumferential surface and the outer circumferential surface is in close contact by the braking device and the rotation is controlled to be inserted into the terminal member fitting groove formed so as to expose the circular terminal to the outside in the inner center of the body reel and the circular Terminal equipped with a sliding terminal in which the terminal is in contact with the body reel in the rotational direction on the outer peripheral surface And a spring box fixed to an opposite side of the reel cover and a power cord installed on the sliding terminal via a terminal lead mechanism and fixed to the opposite side of the reel cover, and the outer end of the circumferential direction fixed to the spring box. It is composed of a spiral spring installed to be fixed to the tip of the reel shaft.

Hereinafter will be described in detail with reference to the accompanying drawings, embodiments of the present invention.

5 is a front view showing a partial cross-section of the cord reel assembly according to the invention, Figure 6 is a front view showing a partial cross-section of the cord reel assembly according to the present invention, Figure 6 is a left side view of Figure 5, Figure 7 5 is a schematic right side view, FIG. 8 is a sectional view taken along the line II-II of FIG. 6, and FIG. 9 is a sectional view taken along the line III-III of FIG. 6 with the same reference numerals as in FIG. Description is omitted.

Cord reel assembly (1) according to the present invention is inserted into the cleaner body and fixed, and the reel cover 10 is provided with a power supply safety device (14) consisting of a cord reel connector 11, a fuse 12 and a wire harness (13) And a reel shaft 20 fitted at a predetermined position of the reel cover 10 and a terminal support member fitted to and fixed to the outer circumferential surface of the reel shaft 20 with two circular terminals 33 and 34 spaced apart from each other on the outer circumferential surface. Body reel is installed so that the outer circumferential surface is in close contact by the braking device 40 is set in the upper predetermined position of the 30 and the reel cover 10 to control the rotation of the body reel 50 to be described later 50 and the outer circumferential surface of the circular terminals 33 and 34 at the inner center of the terminal member fitting groove 56 formed at the inner center of the body reel 50 so as to expose the circular terminals 33 and 34 to the outside. The terminal member 60 is provided with sliding terminals 62 and 63 in contact with the body reel 50 in the rotational direction. Spring box 80 is installed on the side of the power cord 70 and the body reel 50 installed through the terminal connector 71 to the sliding terminals (62, 63) and fixed to the opposite side of the reel cover (10) ) And a spiral spring 90 which is fixed to the outer end of the circumferential direction to the spring box 80 and fixed to the tip of the reel shaft 20.

The reel cover 10 is a wire harness of the reel shaft fixing portion 16 and the power safety device 14 formed so that the power cord guide 15 and the reel shaft 20 are installed in communication with the cleaner body. 13 and the fitting protrusion 18 and the brake provided so that the plurality of wire supports 17 provided at a predetermined position and the brake lever 41 described later of the braking device 40 can be rotatably fitted. It is formed integrally with the burr (41) by supporting the restoring force generating portion (41a) to be described later consists of a support portion 19 is provided to protrude so as to control the rotation of the body reel (50).

In addition, the reel shaft 20 is inserted into the reel shaft fixing part 16 and fixed to the fixed portion 21 and the fixed portion 21 is extended to the rotation guide hole 51 of the body reel 50 to be described later to the body It is possible to support the reel 50 while being integral with the rotation support part 22 and the rotation support part 22 in which the square hole 22a is formed so that the terminal lead-out part 32 which will be described later of the terminal support member 30 is fitted. Extended to the terminal support member 30 is inserted into and fixed to the terminal support member is extended integrally with the government 23 to be fitted to the spring box 80 and to be caught while being rotated with the central end of the spiral spring (90) Consists of a plurality of spring winding 24 provided.

In addition, the terminal support member 30 has a cylindrical portion 31 which is fitted and fixed to the terminal support member fixing portion 23 as shown in FIGS. 8 and 9 and a terminal protruding from the front surface of the cylindrical portion 31. The lead portion 32 and the cylindrical portion 31 is fitted with a terminal having a circular terminal (33, 34) is installed so as to be inserted into the terminal lead-out portion 32 to protrude in the lyre length.

On the other hand, the braking device 40 is fitted to the fitting protrusion 18 and the evening evening generating portion 41a which is supported by the support 19 and has a restoring force as shown in FIGS. 6 and 8. It is inserted in the hole 41b and the brake shaft 42 which will be described later and the longitudinal center of the brake shaft 42, and the rotation of the body reel 50 is freed by the operation of the brake lever 41 and the support portion ( The brake positioning member 43 is configured to control the rotation of the body reel 50 while being in close contact with 19).

And the body reel 50 is a rotary eye hole 51, the terminal supporting member 30 is inserted into and supported by the rotary support 22 of the reel side 20 as shown in FIGS. It is formed between the braking reel part 53 and the box mounting reel part 55 so that the braking reel part 53 and the box mounting reel part 55 and the terminal member 60 with which the supporting member fitting hole 52 is fitted are fitted. The terminal member fitting groove 56 and the box mounting reel portion 55 is provided with a box mounting portion 57 formed to be coupled to the spring box 80 on the outer surface.

As shown in FIGS. 5 and 6, the terminal member 60 is provided with a terminal block 61 fixed to the terminal member fitting groove 56 and fixedly spaced from the terminal block 61. In addition, it is composed of the N-shaped sliding terminals (62, 63) installed to be in close contact with the circular terminal (33 34).

Next will be described the operation and effect of the present invention configured as described above.

Therefore, when the cleaning worker pulls the power cord 70 wound on the body reel 50 in a state where the cord reel assembly is installed on the cleaner body 100, the reel shaft inserted into the cleaner body 100 may not rotate. As the center of rotation 20, the body reel 50 is rotated in the release direction of the power cord 70, so that the power cord 70 is released to a predetermined length.

At this time, the spiral spring 90, the center end of which is caught by the spring winding portion 24 of the reel shaft 20, is wound in the box mounting portion 55 and the spring box 80 in the opposite direction of the winding direction. Although the rotation restoring force is to be rotated, the brake positioning member 43 provided through the brake lever 41 and the brake shaft 42 of the braking device 40 is in close contact with the support 19 of the reel cover 10. In order to control the rotational restoring force of the spiral spring 90 by pressing the circumferential surface of the braking reel unit 53 constituting the body reel 50, the state that the power cord 70 is drawn to a predetermined length Will be maintained.

When the power cord 70 is drawn out to a certain length, the power cord 70 is inserted into the power plug, and then the power switch of the vacuum cleaner is inserted. The current flows from the power cord 70 to the circular terminals 33 and 34. → slide terminal (62,63) → wire harness (13) → fuse (12) → cord reel connector (11) → fan motor is connected to the cleaning work is finished and press the cord reel button (700) downward While the lower end of the cord reel button 700 rotates the brake lever 41 of the braking device 40 installed in the cord reel assembly in the pushing direction, the brake positioning member 43 of the brake reel part 53 It will fall off the circumference.

At this time, the body reel 50 rotates the reel shaft 20 to the center of rotation by the elastic restoring force generated when the power cord 70 is drawn out to the spiral spring 90 to wind the power cord 331 to be stored. In the contact between the sliding terminals 62 and 63 and the circular terminals 33 and 34 at the time of withdrawal and winding of the power cord 70, the contact center is excellent.

In addition, the power cord 70 can be easily fitted to the sliding terminals (62, 63) via the terminal connector (71), and the reel cover (10) and the reel shaft (20) on the body reel (50) The terminal support member 30, the braking device 40, the terminal member 60, and the spring cover 80 may be simply coupled to each other without a screw or the like.

On the other hand, the cord reel assembly is molded in the injection molding of each component is greatly reduced the number of parts, and the sliding terminals (62, 63) and the circular terminals (33, 34) can also be easily assembled by assembling the need for work such as soldering There will be no.

As described above, according to the present invention, there is no need to use screws to fasten the respective components constituting the cord reel assembly, and the weight is reduced, which makes the cleaning worker easy to use during cleaning.

In addition, the assembly structure is also simple and excellent assembly performance, so less time required for assembly work, productivity is improved, and the power cord (70) during the cleaning work because the contact for supplying power from the power cord to the fan motor is in the same rotation center It is effective to improve the life of the vacuum cleaner as well as the motor because the contact state is secured when pulling out and winding up.

Claims (6)

The reel cover is installed on the body of the vacuum cleaner, and the reel cover is installed with the power safety device consisting of the cord reel connector, fuse, and wire harness, and the reel shaft fits in the predetermined position of the reel cover. A terminal support member provided at a predetermined interval, a braking device installed at an upper predetermined position of the reel cover to control rotation of the body reel, and fitted to an outer circumferential surface of the reel shaft and the terminal support member, Body reel is installed so that the outer peripheral surface is in close contact with the rotation control, and is fitted into the terminal member fitting groove formed so that the circular terminal is exposed to the outside in the inner center of the body reel and the body reel on the outer peripheral surface of the circular terminal; The terminal member equipped with the sliding terminal contacted in the direction of rotation and the terminal connector to the sliding terminal The vacuum cord, which is installed on the side of the reel cover and the spring cord fixed to the opposite side of the reel cover, and a spiral spring fixed to the outer end of the circumferential direction and fixed to the tip of the reel shaft. Cord reel assembly. According to claim 1, The reel cover is provided with a plurality of power cord guide portion installed in communication with the cleaner body and the reel shaft fixing portion formed so that the reel shaft is fitted and the wire harness of the power safety device is fitted in the predetermined position. It is made of a fitting protrusion which is provided so that the wire support and the brake lever of the brake device is rotatably fitted, and the brake lever is formed integrally with the brake lever to support the restoring force generating part so as to support the brake to control the rotation of the body reel. Cord reel assembly for vacuum cleaner. The terminal reel of the terminal support member according to claim 1, wherein the reel shaft is inserted into and fixed to the reel shaft fixing part and extends with the fixed portion to be inserted into the rotation guide hole of the body reel to support the body reel. A spiral support formed with a quadrangular hole and a terminal support member fixing part which is integrally extended with the rotary supporting part and which is fixed by being fitted with the terminal support member, and which is integrally extended with the terminal support member fixing part and fitted into the spring box. Cord reel assembly for a vacuum cleaner, characterized in that consisting of a plurality of spring windings provided to be caught while rotating with the central front end of the spring. The terminal support member according to claim 1, wherein the terminal support member is fitted into the cylindrical portion fixed to the terminal support member fixing portion, the terminal lead portion protruding on the front surface of the cylindrical portion, and the cylindrical portion is inserted into the terminal lead portion and protrudes to a predetermined length. Cord reel assembly for a vacuum cleaner, characterized in that it has a circular multi-chip installed. 2. The body reel of claim 1, wherein the body reel has a rotation guide hole into which the rotary support of the reel shaft is inserted, and a braking reel portion having a support member fitting hole into which the terminal support member is fitted, and a winding portion fitting hole into which the spring winding part is fitted. The box mounting reel portion formed, the terminal member fitting groove formed between the braking reel portion and the box mounting reel portion so that the terminal member is fitted, and the box mounting portion formed so that the spring box can be coupled to the outer surface of the box mounting reel portion Cord reel assembly for vacuum cleaner. The terminal block of claim 1, wherein the terminal member is formed of a terminal block fixed to the terminal member fitting groove, and is provided with a B-shaped sliding terminal installed to be in close contact with the circular terminal while being provided at a predetermined interval from each other. Cord reel assembly for vacuum cleaner.