JPH08289862A - Suction port body for electric vacuum cleaner - Google Patents

Abstract

PURPOSE: To provide the suction port body of an electric vacuum cleaner without the need of settlement thereof. CONSTITUTION: A rotary cleaning body 20 is provided with an axial rod 21 provided in a rotation center part and formed with a holding part 22 on the outer peripheral surface thereof in a longitudinal direction, a napped cloth cover 25 with elastic blades composed of the elastic member provided with a connection member 27 provided with an attachment hole 28 in the longitudinal direction for connecting at least the tip sides of the elastic blades 26 respectively formed on both ends in the peripheral direction and a holding member held on the holding part 22 of the axial rod 21 on a base side thereof and a napped cloth 40 held in a space 41 formed in the longitudinal direction between the elastic blades 26 while connected to the attachment hole 28 provided in the connection member 27 and allowed to project the tip of a brush 42 from the attachment hole 28 and the tip of the elastic blades 26.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary cleaning body related to a suction port body of an electric vacuum cleaner.

[0002]

2. Description of the Related Art A rotary cleaning body 50 relating to a conventional suction port body.
The elastic blade 51 made of rubber or the like and the raised cloth 56 in which a large number of brushes 58 are planted on a stand 57 made of cloth such as nylon are attached to a brush stand 60 made of a hard material. Met. The brush base 60 has a substantially circular cross section, and is formed on the circumferential surface in the longitudinal direction so that the concave first insertion holding groove 61 and the second insertion holding groove 62 are opposed to each other in opposite directions. A convex holding member 52 formed below the elastic blade 51 is inserted into the holding groove 61, and a stand 57 of a raised fabric 56 serving as a holding member is inserted into the second insertion holding groove 62 from the axial direction. The rotating cleaning body 50
Is formed.

The elastic blade 51 made of an elastic body rotates together with the rotary cleaning body 50 which is rotated by an electric motor mounted in a suction port body (not shown). The rotating elastic blade 51 hits the surface of the jutan or the hair of the jutan.
By this tapping, it adheres to the jutan, or
The dust that has dipped into the tongue is knocked out, sucked through the suction port of the suction port body (not shown), and then sucked into the main body of the vacuum cleaner.

A large number of brushes 58 planted on the napped cloth 56 rotate along with the rotary cleaning body 50, and while the tips of the brushes 58 bend in the direction opposite to the rotating direction,
Tatami slides on the surface between the plates and acts like a broom. Further, in the case of using the jutan, the brush 58 is inserted between the bristles of the jutan or between the stitches of the jutan and acts as a scraper. Therefore, the brush 58 has a length protruding outward from the elastic blade 51.

[0005]

As described above, the brush 58 of the raised cloth 56 of the rotary cleaning body related to the suction port body of the conventional vacuum cleaner is attached so as to project longer than the peripheral surface of the brush base 60. Therefore, hair, hair, and the like are easily entangled with the brush 58. Furthermore, the hair entwined with the brush 58, the hair, and the like dig up to the root portion by the rotation of the brush 58. Therefore, there is a problem that a large amount of hair, hair and the like is ingested, and it is difficult to remove the entangled hair, hair and the like.

The present invention has been made in view of the above points, and an object of the present invention is to provide a suction port body of an electric vacuum cleaner that does not require any trouble in cleaning up.

[0007]

In order to achieve the above object, the suction port body of the electric vacuum cleaner according to the present invention is a suction port body having a rotary cleaning body chamber having a suction port formed on the bottom surface. In a suction port body of an electric vacuum cleaner having a rotary cleaning body that is rotatably driven by a rotary drive body provided in the rotary cleaning body chamber and is rotatably supported facing the suction port of the rotary cleaning body chamber, the rotary cleaning body is A core rod which is provided at the center and has a holding portion formed on the outer peripheral surface in the longitudinal direction, and at least the distal ends of the elastic blades formed at both ends in the peripheral direction are connected together and a connecting hole is provided in the longitudinal direction. Member and a raised cloth cover member with an elastic blade made of an elastic member provided with a holding member for holding the holding portion of the core rod at the root side, and the elastic member in communication with a mounting hole provided in the connecting member. Longitudinal direction between blades And is held in the space formed, the brush tip with is projected from the mounting hole, the elastic blur - characterized by being composed of raised fabric which is protruded from the distal end of the de.

According to a second aspect of the present invention, in the suction port body of the vacuum cleaner of the present invention, at least the tip of the elastic blade near the tip of the brush of the raised cloth is larger than the maximum outer circumference of the connecting member. Item 1 is characterized.

[0009]

According to the structure of the first aspect, when cleaning the slack and the space between the plates, since the fluffed cloth cover member with the elastic blade is provided so as to project outward, the length of the brush of the fluffed cloth is increased. The length is shorter than that of the brushed brush according to the related art. For this reason, since the amount of hair, hair or the like biting into the brush is small, entangled hair, hair or the like can be easily removed.

When cleaning the jacket, an elastic brush is used.
Elastic blades made of elastic members provided on both ends of the raised cloth cover member come into contact with the jutan, and strong scraping is obtained.

According to the second aspect of the invention, since the tip of the elastic blade is provided so as to project from the maximum outer circumference of the connecting member, the tip of the elastic blade is easily bent. For this reason, strong tapping is obtained, and further strong scraping is obtained.

[0012]

Embodiments of the present invention will be described below with reference to FIGS.

FIG. 3 is a top view showing the structure of the suction port body of the electric vacuum cleaner equipped with the rotary cleaning body according to the embodiment of the present invention.

Reference numeral 1 denotes a suction port body, which comprises a suction port body 2 and a hollow rotary tube 3 rotatably attached to the rear portion of the suction port body 2.

The suction inlet main body 2 has a horizontally long substantially rectangular shape, a suction inlet 5 having a substantially rectangular shape is formed in the front of the bottom surface, and a lower case 4 having an upper opening and a rear portion of an upper opening of the lower case 4. And an attachment cover (not shown) that is attached so as to be able to open and close the front.

The rotary cleaning body 2 according to the present invention is mounted so as to face the suction port 5 of the lower case 4 and is attached thereto.
A rear partition wall 6 and side partition walls 7, 7 are formed on the inner side of the lower case 4 located on the rear side and the left and right sides of 0,
The rotary cleaning body chamber 9 is formed. Furthermore, these lateral partition walls 7
Each of them is provided with a substantially U-shaped insertion hole 8 that opens upward. In addition, the support partition walls 10 are formed so as to face each other from the middle of the rear partition wall 6 toward the rear, and
Form 2 Further, a flow path chamber 11 is defined and formed, which flows in from the inflow port 12 and flows out from the rotary pipe 3 to the electric vacuum cleaner body (not shown). A rotary tube 3 is rotatably attached to these supporting partitions 10 so as to be rotatable.

Further, the side partition wall 7a on one side is continuously connected to the rear side and connected to the lower case 4 to partition the belt chamber 13. In addition, an electrical equipment chamber 16 that houses electrical components such as switches is defined between the first support partition wall 10a and the first rear partition wall 6a, and the second support partition wall 10b and the second rear partition wall 6b are formed. An electric motor chamber 15 for accommodating the electric motor 14 is defined between them.

1 and 2 show a rotary cleaning body according to the present invention.

The rotary cleaning body 20 includes a raised cloth cover 25 with an elastic blade to which the raised cloth 40 is attached, and this raised cloth cover-2.
5 and a core rod 21 that holds 5.

The raised cloth 40 is a slender base 41 made of cloth such as nylon, and a large number of brushes 42 are planted on the stand 41.

The raised cloth cover 25 with elastic blades is made of a material having elasticity such as a rubber material and has a substantially fan-shaped cross section with an opening at the base side. Elastic blades 26 having an elongated cross section are provided at both ends in the width direction, and a convex holding member 29 having a substantially fan-shaped cross section is provided at the base of each of the elastic blades 26. Further, the ends of the elastic blades 26 are connected to each other by a substantially arcuate connecting member 27 protruding outward, and a plurality of substantially oval mounting holes 28 are provided along the longitudinal direction of the connecting member 27. It is provided. The raised cloth cover 25 has a connecting member 27 and elastic blades 26 provided at both ends along the longitudinal direction.
A space 31 having a substantially fan-shaped cross section sandwiched between and is provided in communication with the mounting hole 28. Here, the outer diameter A of the raised cloth, the outer diameter B of the elastic blade, and the outer diameter C of the connecting member are A>B> C.
Is in a relationship.

Further, a projecting portion 33 is formed at each tip of the elastic blade 26 so as to project from the connecting member 27, and the minute projection 3 is formed on the outer surface of the tip of the elastic blade 26.
Many 2 are formed along the longitudinal direction.

The core rod 21 has a substantially circular cross section, and is provided with four concave insertion holding grooves 22 which are holding portions each having a substantially fan shape downward on the circumferential surface in the longitudinal direction. Further, a circular holder 23 and a circular support shaft (not shown) having a smaller diameter than the holder 23 are provided at both ends of the core rod 21 and are continuous with the holder 23.

The procedure for assembling the rotary cleaning body will be described.

First, the holding members 29 provided at the base of the raised cloth cover 25 in the longitudinal direction are inserted into the insertion holding grooves 22 which are the holding portions provided in the longitudinal direction of the core rod 21, respectively, and the raised cloth cover is covered. 25 is attached to the core rod 21. Further, when the raising cloth 40 is inserted through the openings 30 at the right and left ends of the raising cloth cover 25, the brush 42 provided on the raising cloth cover 25 causes the raising cloth cover 25 to move.
1 are projected from the mounting holes 28 and assembled as shown in FIG. Finally, a substantially rectangular bearing 45 is rotatably attached to one support shaft (not shown) provided on the rotary cleaning body 20, and a gear-like pulley is attached to the other support shaft (not shown). 46 is press-fitted and fixed, and the bearing 45 is rotatably attached.

The connecting members for connecting the elastic blades, which are provided at both ends in the width direction of the napped cloth cover, are provided not only between the tip portions but also on the core rod side, and a space for installing the napped cloth is provided between them. It may be provided.

The assembly of the raised fabric 40 to the raised fabric cover 25 may be performed by the following procedure. The elastic blades 26 provided at both ends of the napped cloth cover 25 in the width direction are respectively pushed outward, and the napped cloth 40 is inserted through the openings formed by the bulging, and the brush 42 of the napped cloth 40 is inserted. The raised cloth 40 is made to protrude from each of the mounting holes 28 and the raised cloth cover 25 is provided.
To be attached to. Next, the holding member 2 for the raised cloth cover 25.
9 are inserted into the insertion holding grooves 22 which are holding portions of the core rod 21.

The procedure for assembling the suction port will be described.

First, the timing belt 18 is hooked on the transmission gear 17 attached to the output shaft of the electric motor 14 to store the electric motor 14 in the electric motor chamber 15 of the lower case 4. Next, the timing belt 18 is hooked on the gear-shaped pulley 46 provided on the rotary cleaning body 20 to attach the rotary cleaning body 20 to the rotary cleaning body chamber 9. Further, the rotary tube 3 is rotatably mounted between the supporting partitions 10 of the lower case 4. Finally, the upper case (not shown) is attached to the lower case 4 with screws (not shown).

Next, the operation of the above embodiment will be described.

When cleaning the tatami and the board, the brush is provided so as to project from the elastic blade, so that the brush of the raised cloth comes into contact with the tat and the board to exert a scraping effect. .

When cleaning the jutan, the tip of an elastic blade made of an elastic material strikes the jutan, adheres to the jutan, or dust that has slipped into the jutan is hit. It is taken out and exerts a strong scraping effect. Further, the minute protrusions formed at the tip of the elastic blade hit between the hairs of the jutan or the stitches of the jutan to exert a stronger scraping effect.

Further, since the brush of the raised cloth is configured to project from the mounting hole of the raised cloth cover, the length of the brush is shorter than that of the prior art. For this reason, since the amount of hair, hair or the like biting into the brush is small, entangled hair, hair or the like can be easily removed.

Further, the brush of the raised cloth is a raised cloth cover.
The length of the brush is shorter than that of the prior art because it is configured so as to project from the mounting hole. In addition, a flexible space is formed between the stand on which the brush of the raised fabric is planted and the raised fabric cover. For this reason, the bending of the root portion of the brush is reduced, so that the cutting of the brush due to the bending of the brush and the cutting of the table due to the pulling of the brush made of nylon or the like can be prevented.

[0035]

As described above in detail, according to the invention of claim 1, the brush of the raised cloth of the rotary cleaning body related to the suction inlet of the electric vacuum cleaner projects from the mounting hole of the raised cloth cover. As a result, the amount of hair, hair, etc. squeezed into the brush is small, and the entangled hair, hair, etc. can be easily removed, and there is no need for cleaning. When cleaning the jacket, the elastic blades made of elastic members provided at both ends of the raised cloth cover member with elastic blades come into contact with the polyurethane, and strong scraping is obtained.

According to the second aspect of the invention, since the tip of the elastic blade is provided so as to project from the maximum outer circumference of the connecting member, the tip of the elastic blade is easily bent. For this reason, strong tapping is obtained, and further strong scraping is obtained.

[Brief description of drawings]

FIG. 1 is a sectional view showing the configuration of a rotary cleaning body according to a first embodiment of the invention.

FIG. 2 is a perspective view showing the outer appearance of the rotary cleaning body in the embodiment.

FIG. 3 is a top view showing a configuration of a suction port body in the embodiment.

FIG. 4 is a sectional view showing a configuration of a rotary cleaning body according to a conventional technique.

[Explanation of symbols]

 20 ... Rotating cleaning body, 21 ... Core rod, 22 ... Insertion holding groove (holding part), 23 ... Holding member, 25 ... Elastic cloth braided cover, 26 ... Elastic blade, 27 ... Coupling member, 28 ... Mounting hole, 31 ... Space, 40 ... Brushed cloth, 42 ... Brush.

Claims (2)

[Claims] 1. A rotary drive body provided in a suction port body having a rotary cleaning body chamber having a suction port formed on a bottom surface thereof, and is rotationally driven by a rotary drive body facing the suction port of the rotary cleaning body chamber and rotatably supported. In a suction port body of an electric vacuum cleaner having a rotating cleaning body, the rotating cleaning body is provided at a center of rotation and a core rod having a holding portion on an outer peripheral surface in a longitudinal direction, and a core rod formed at both ends in the circumferential direction. With an elastic blade composed of an elastic member having at least a tip end side of the elastic blade connected and a connecting member provided with a mounting hole in the longitudinal direction and a holding member for holding the holding portion of the core rod at the base side. A brushed cloth cover is provided, and the brush tip is communicated with a mounting hole provided in the connecting member and held in a space formed in the longitudinal direction between the elastic blades so that the brush tip is projected from the mounting hole. Elastic A suction port body for an electric vacuum cleaner, characterized in that the suction port body is constituted by a raised cloth protruding from a tip of a raid. 2. The suction of an electric vacuum cleaner according to claim 1, wherein the tip of the elastic blade near at least the tip of the brush of the raised cloth is larger than the maximum outer circumference of the connecting member. Mouth.