JP5417029B2 - Suction port for vacuum cleaner and vacuum cleaner - Google Patents

Description

  The present invention relates to a suction mouth for a vacuum cleaner having a rotary cleaning body, and a vacuum cleaner provided with the suction mouth.

  An agitator that is rotated by a motor to scrape carpet dust is attached to the lower suction tool of the suction tool, and the raised cloth support part on which the raised cloth is supported can be moved back and forth or left and right in the horizontal direction by the drive source. 2. Description of the Related Art A suction tool for a vacuum cleaner that is attached to the hood is known as a prior art (see, for example, Patent Document 1).

  Specifically, a suction chamber having a lower opening as a suction port is formed in the front portion of the lower suction tool, and the agitator rotatably held by bearings disposed on both side chamber walls of the suction chamber is an agitator driving motor. Is rotated by being energized. A raised cloth support portion is slidably attached to the rear portion of the lower suction tool, and an electromagnet is attached as a drive source for reciprocating the raised cloth support portion in the front and rear direction. A raised cloth projecting from the bottom surface of the suction tool is supported by the raised cloth supporting section. The agitator and the raised cloth are arranged in the front and back with substantially the same length.

  In this conventional suction tool, the electromagnet driving circuit does not operate while the agitator is driven, and the raised cloth is kept stationary. When the electromagnet is driven, the raised cloth is reciprocated horizontally with respect to the floor surface together with the raised cloth support portion in conjunction with the electromagnet. For this reason, the frequency | count of sweeping with respect to the floor surface by a raising cloth can be taken many with respect to one reciprocation of a suction tool. Therefore, the sweeping effect by the raised cloth can be exhibited.

JP-A-5-184492 (paragraphs 0008-0018, FIGS. 1 to 4)

  The front left and right ends of the bottom wall of the lower suction tool included in the suction tool of Patent Document 1 are laterally removed from the left and right ends of the flexible agitator included in the agitator, and the agitator is rotated at both ends. A freely supported bearing is covered. When the suction tool is viewed from the front, substantially the entire raised cloth is disposed in the projection area to the rear of the agitator. The rear left and right ends of the bottom wall of the lower suction tool are provided so as to be continuous with the left and right ends of the raised cloth.

  Therefore, the left and right end portions of the lower suction tool are disengaged in the left and right directions from both ends of the agitator and the raised cloth. For this reason, the floor surface facing the lower side of the left and right ends of the lower suction tool has a rotating agitator and horizontal reciprocation both when the agitator is rotated and when the raised cloth is reciprocated horizontally with respect to the floor surface. It will be out of the floor cleaning target area by the moved raised cloth.

  Thereby, the suction tool for conventional vacuum cleaners has the subject that the floor surface cannot be cleaned by the full width ranging from the one end of the left-right direction to the other end.

In the present invention, a rotary cleaning body that is rotated by driving of a cleaning body driving means passes through a suction opening at a lower portion of a floor surface cleaning member that forms a peripheral portion in a suction head having a suction opening on a bottom wall. In this state, it is assumed that the suction port for a vacuum cleaner is rotatably supported by a bearing. In order to solve the above problems, the present invention comprises a pair of left and right end floor wiping members, a rear floor surface wiping member, and a wiping member driving means, and a pair of left and right end floor wiping members. The member is reciprocated along the bottom wall on both sides of the suction opening of the bottom wall of the suction head so as to be continuous with the floor cleaning member of the rotary cleaning body with the suction head viewed from the front or rear direction. The rear floor wiping member integrated with the end floor wiping member is disposed so as to be movable, and the rear floor wiping member integral with the pair of end floor wiping members is below the suction opening of the bottom wall and along the bottom wall. Te reciprocably by disposing the suction opening in the end floor wiping member and the rear floor wiping member surrounds except front, these end floor wiping member and the rear floor wiping member, the lower base while reciprocated together by connecting the wiping member driving means and parts, the It is characterized in that so as to wipe the floor of the removal target.

According to the present invention, the left and right end floor surface wiping members reciprocated by the wiping member driving means and the rotary cleaning body are seen from the front or rear direction of the suction head from one end to the other end in the left-right direction. since is provided so as to be continuous I was Niwa, these rotary cleaning body and the left and right ends floor wiping member, can clean the cleaning target floor in the entire width ranging other end from the left and right direction of the end of the suction head In addition, the suction opening is surrounded by a pair of left and right end floor wiping members and a rear floor wiping member on the three sides except the front side. And since a pair of edge part floor surface wiping member and a rear part floor surface wiping member are integral, it is hard to peel off .

It is a perspective view which shows the vacuum cleaner which concerns on the 1st Embodiment of this invention. It is a perspective view which shows the suction inlet body with which the vacuum cleaner of FIG. 1 was equipped. It is a bottom view which shows the suction inlet body of FIG. It is a side view which shows the suction inlet body of FIG. It is sectional drawing of the suction inlet shown along F5-F5 line in FIG. It is a top view which shows the suction head with which the suction inlet body of FIG. 2 was provided in the state which removed the upper head case. It is a top view which shows the suction head with which the suction inlet body of FIG. 2 was provided in the state which removed the upper head case and the fan block. It is a bottom view which shows a part of fan block with which the suction inlet body of FIG. 2 was provided. It is a perspective view which shows the one end part of the suction inlet body of FIG. (A) is a perspective view shown in the state which turned over the wiping unit with which the suction inlet of Drawing 2 was equipped. (B) is the perspective view which shows the same wiping unit seeing from the front side. It is a figure explaining the drive of the wiping unit with which the suction inlet body of FIG. 2 was equipped, Comprising: (A) And (B) is the schematic plan view and schematic sectional drawing which show the 1st step of a drive, (C) and (D ) Is a schematic plan view and a schematic sectional view showing a second stage of driving, (E) and (F) are a schematic plan view and a schematic sectional view showing a third stage of driving, and (G) and (H) are driving schematics. It is the schematic plan view and schematic sectional drawing which show a 4th step. It is a bottom view which shows the suction inlet provided with the vacuum cleaner which concerns on the 2nd Embodiment of this invention. It is a perspective view which shows the one end part of the suction inlet of FIG. It is a perspective view which shows the wiping unit with which the suction inlet of FIG. 12 was equipped.

  Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS.

  Reference numeral 1 in FIG. 1 indicates, for example, a canister type vacuum cleaner provided with a suction port body 11 according to the first embodiment. The electric vacuum cleaner 1 includes a vacuum cleaner body 2 and a dust suction air passage body 5.

  An electric blower (not shown) is built in the rear portion of the cleaner body 2 to which the wheels 3 are attached. The front part of the cleaner body 2 is on the upstream side of the electric blower, and the front part is provided with a dust separating means (not shown) and a dust collecting part for collecting dust separated by this means. As the dust separation means, an inertia separation type dust separation device such as a cyclone type that separates dust and air using the inertial energy of the dust sucked into the dust separation means can be preferably used. Alternatively, it is also possible to use a dust separation means that uses a dust separation device that separates coarse dust from the air by inertial separation and a filter that filters dust other than the coarse dust and separates it from the air.

  The dust suction air passage body 5 includes a flexible dust suction hose 6, an extension pipe 7, and a suction port body 11. One end portion (root portion) 6a of the dust suction hose 6 is detachably inserted into and connected to a dust suction port 2b provided on the lid 2a that opens and closes the front upper surface of the cleaner body 2, for example. And the dust separating means communicate with each other. A handle 8 for moving and operating the suction port body 11 through the extension pipe 7 is provided at the other end (tip part) 6b of the dust suction hose 6 to which the extension pipe 7 is detachably fitted and connected. Yes. A hand switch 9 is attached to the handle 8 to command the operation of the electric blower.

  The extension pipe 7 is formed by combining, for example, an outer pipe 7a and an inner pipe 7b so as to be extendable and contractible. The outer tube 7 a is detachably fitted to the other end 6 b of the dust suction hose 6. The connecting pipe of the suction port body 11 is detachably fitted to the tip 7c of the inner pipe 7b protruding from the other end (tip) of the outer pipe 7a.

  Next, the suction inlet 11 will be described. The suction inlet 11 is suitable for cleaning the flooring floor surface (the floor surface to be cleaned) of a room to be cleaned, and is also usually referred to as a floor brush. As shown in FIGS. 2 and 3, the suction port 11 is formed by attaching a connecting pipe 31 to the rear center portion of the suction head 12 to be described later, and the shape of the suction port 11 viewed from the front side and the back side is substantially the same. It is T-shaped.

  As shown in FIG. 5, the suction head 12 is assembled by screwing together a lower head case 13 and an upper head case 14 made of synthetic resin. As shown in FIG. 3, the suction head 12 has a suction opening 15 opened in the bottom wall 13 a of the lower head case 13. The suction opening 15 has a long square shape extending in the width direction of the suction head 12. Here, the width direction refers to the left-right direction (longitudinal direction) of the suction head 12. In the present embodiment, the front side of the suction opening 15 is continuous with a front opening 15a provided on the front surface of the lower head case 13 in order to enable dust suction from the front side of the suction head 12. A front wall extending over the entire width (this width dimension is indicated by a symbol W in FIG. 3) may be provided to close the front end of the suction opening 15.

  The suction opening 15 is surrounded by a bottom wall 13a except for its front side. Therefore, as shown in FIG. 3, the bottom wall 13 a includes a pair of left and right end bottom wall portions 13 a 1 that are continuous to both longitudinal ends of the suction opening 15, and a rear bottom wall portion 13 a 2 that is continuous to the rear side of the suction opening 15. Surrounded by As shown in FIG. 5, the rear bottom wall portion 13a2 extending straight in the width direction of the suction head 12 has a groove portion opened on the lower surface of the lower head case 13, and both end portions of the groove portion are a pair of end bottoms. It crosses the rear end of the wall 13a1 and is open to both side surfaces of the lower head case 13 in the width direction.

  As shown in FIG. 7, for example, a rear bottom wall 13a2 of the lower head case 13 is provided with a plurality of long holes 16 for guiding reciprocation of a wiping unit 61 described later. These long holes 16 extend in the left-right direction, for example, and are arranged in a straight line. The lower head case 13 is provided with an L-shaped escape hole 13j so that the rear bottom wall portion 13a2 is divided into right and left.

  As shown in FIG. 5, the lower head case 13 has a pair of front walls 13b bent upward from the front ends of the pair of left and right end-side bottom wall portions 13a1. These front walls 13b are provided at the left and right ends of the lower head case 13 as shown in FIGS. 6 and 7, and a front opening portion of the lower head case 13 is provided therebetween. The ends of the front walls 13b opposite to the front opening portion are continuous with the front ends of the side walls 13c of the lower head case 13.

  A connecting convex portion 13e is integrally protruded rearward from the rear wall 13d of the lower head case 13 at the rear portion of the lower head case 13 and in the center in the width direction. A roller 17 for facilitating the movement of the suction port body 11 along the floor to be cleaned is rotatably attached to the rear end portion of the connection convex portion 13e. As shown in FIGS. 3 and 4, a pressure receiving member 18 made of mohair, felt or the like is mounted on the lower surface of the connection convex portion 13 e so as to be positioned on the front side of the roller 17.

  The pressure receiving member 18 has a thickness that always protrudes from the lower surface of the connecting projection 13e so that it can come into contact with the floor surface to be cleaned during cleaning. Specifically, even when the pressure receiving member 18 is pushed and deformed by the floor to be cleaned during cleaning, the lower surface of the pressure receiving member 18 is the lower surface of the end floor wiping member 62 and the rear floor wiping member 63 described later. The thickness of the pressure receiving member 18 is set to be lower. The position of the lower end of the roller 17 is the same as the height position of the lower surface of the pressure receiving member 18. At the same time, a roller 17 may be provided in place of the pressure receiving member 18 at a position where the pressure receiving member 18 is provided, and the roller 17 may be used as the pressure receiving member 18.

  As shown in FIG. 3, a rotary cleaning body 21 is attached to the lower head case 13. The rotary cleaning body 21 includes a rotary shaft 22 (see FIG. 5) having a small diameter at both ends, a floor surface cleaning member 23 attached to the rotary shaft 22, and bearings 24 respectively attached to both ends of the rotary shaft 22. The passive gear 25 shown in FIGS. 6 and 7 is provided. The floor surface cleaning member 23 forms a peripheral portion of the rotary cleaning body 21. The floor surface cleaning member 23 is formed of, for example, brush hairs, and is wound spirally around the outer periphery of the rotating shaft 22. The length of the bristle and the strength of the waist are set to be suitable for contacting the flooring floor surface so as to polish this surface.

  The rotary cleaning body 21 has its left and right bearings 24 attached to a pair of bearing support portions 19 (only one is shown in FIGS. 5 to 7) formed in the lower head case 13. A lower portion of the head 23 protrudes downward from the suction opening 15 and is rotatably supported by the suction head 12. The passive gear 25 is fixed to one end portion of the rotary shaft 22 and is disposed inside one end portion of the lower head case 13 outside the suction opening 15 (see FIGS. 6 and 7).

  The connection pipe 31 has a horizontal fixed pipe section (not shown), a front connection pipe section 32 and a rear connection pipe section 33 shown in FIGS. 2 and 4. The fixed tube portion has a square mounting flange at its front end. The front connection pipe part 32 is rotatably connected around a central axis (not shown) extending horizontally of the fixed pipe part, and the central axis (not shown) of the fixed pipe part and the front connection pipe part 32 is the same. . The rear connection pipe portion 33 is rotatably connected to a position that is continuous substantially behind the front connection pipe portion 32 and a position that is continuous with the front connection pipe portion 32 so as to be bent. The fixed tube portion, the front connection tube portion 32, and the rear connection tube portion 33 communicate with each other.

  The connecting pipe 31 is attached to the suction head 12 by engaging flange engaging portions formed corresponding to the inner surfaces of the lower head case 13 and the upper head case 14 with the mounting flange. In this attached state, the rear connection tube portion 32 and the rear connection tube portion 33 protrude rearward from the suction head 12, and the front connection tube portion 32 rotates around a central axis extending horizontally in the front-rear direction. It is free. 2 to 4, reference numeral 33 a denotes an insertion tube that forms the rear portion of the rear connection tube portion 33, and the insertion tube 33 a is inserted into and connected to the distal end portion 7 c of the extension tube 7.

  During normal cleaning, the suction port body 11 is pushed and pulled back and forth in a state where the rear connection pipe portion 33 is raised obliquely upward with respect to the connection convex portion 13e as shown in FIG. In this case, an obliquely downward operating force applied to the rear connection pipe portion 33 is mainly applied to the connection convex portion 13e. Therefore, the operating force is mainly supported by the pressure receiving member 18 and the roller 17, while the operating force is slightly applied to the front side portion of the connection convex portion 13 e of the lower head case 13.

  The fixed pipe portion that forms the inlet of the connection pipe 31 is communicated with a mouthpiece 35 (see FIGS. 3 and 7) opened in the lower head case 13. This communication is made through an air passage partitioned by ribs 13f and 13g (see FIG. 7) provided in the lower head case 13 and a fan block 42 described later. That is, the inlet of the air passage is the mouthpiece 35. An outlet 38 (see FIG. 7) of the air passage is opened at the center in the longitudinal direction of the rear portion of the lower head case 13, and faces the fixed tube portion that forms the inlet of the connection tube 31.

  As shown in FIG. 3, the mouthpiece 35 is provided on the rear side of the rotary cleaning body 21. The mouthpiece 35 is formed in a notch-like shape provided in a partition wall or the like that partitions the chamber portion and the mouthpiece 35 in a front chamber section that is partitioned on the front side in the lower head case 13 in which the rotary cleaning body 21 is housed. It communicates through grooves 13h and 13i. In FIG. 3, reference numeral 36 denotes a groove-shaped air guide wall opened downward, and the air containing dust that has passed through the groove 13 i is guided to the suction mouth 35 by the air guide wall 36. With the suction port body 11 turned upside down, the rotary cleaning body 21, the suction port 35, the air guide wall 36 and the like are positioned inside the suction opening 15.

  In FIG. 3 and FIG. 7, reference numeral 37 indicates a vent hole opened at the base of the connection convex portion 13 e. The ventilation hole 37 is located near the front side of the fixed pipe portion of the connection pipe 31 and near the outlet 38 of the air passage. When cleaning the flooring floor, the air holes 37 are closed by the floor, so that the suction through the air holes 37 is negligible. However, when the suction port body 11 is separated upward from the flooring floor surface and when the suction port body 11 is turned over, suction through the vent hole 37 is performed. At the same time, the intake air amount from the air passage side having a larger air passage resistance than the vent hole 37 is reduced, and the driving of the fan 45 described later is reduced or stopped.

  As shown in FIG. 6, the cleaning body driving means 41 is built in the suction head 12. In the present embodiment, for example, an air-driven type that operates using an airflow that circulates through the suction head 12 is employed as the cleaning body driving means 41. Instead, a cleaning body driving means that is driven by an electric motor is used. be able to.

  The air-driven cleaning body drive means 41 includes a fan block 42 and a transmission portion 51 as shown in FIG.

  The fan block 42 is sandwiched from above and below by the lower head case 13 and the upper head case 14. The fan block 42 includes a partition portion 43 shown in FIG. 6, a fan casing portion 44, a fan 45, a discharge air passage wall 46 shown in FIG. 8, and a drive gear 47.

  The partition portion 43 partitions the air passage from the suction port 35 to the inlet of the connection pipe 31 from above. At the same time, an outside air passage (not shown) is formed between the partition portion 43 and the upper head case 14, and a passage inlet 48 (see FIG. 2) of the outside air passage is provided at one end of the upper head case 14. ing. As shown in FIG. 5, the passage inlet 48 is formed by a large number of small holes that penetrate the upper head case 14.

  As shown in FIG. 6, the fan casing portion 44 is formed at one end portion of the partition portion 43 located in the center portion in the longitudinal direction (width direction) of the lower head case 13. A fan storage chamber is formed by the fan casing portion 44 and a fan casing portion (not shown) of the upper head case 14 fitted to the fan casing portion 44 from above, and the storage chamber and the outside air passage are connected to a passage outlet 49. It is communicated by.

  The fan 45 is rotatably supported by the lower head case 13 and stored in the fan storage chamber. As shown in FIG. 8, the discharge air passage wall 46 is integrally formed on the back surface of one end portion of the partition portion 43 by forming a discharge air passage (not shown) between the one end portion. This discharge air passage is communicated with the fan storage chamber through a through hole (not shown) opened in the bottom surface of the fan storage chamber, whereby air discharged from the fan 45 is discharged and flows through the air passage. ing. Reference numeral 50 in FIGS. 3 and 8 denotes an air outlet of the discharge air passage. The air passage outlet 50 is opposed to the inlet of the connection pipe 31 from the front side. The discharge air passage is partitioned from the air passage between the ribs 13f and 13g, and the outlet 38 and the air passage outlet 50 of the air passage face each other in parallel to the inlet of the connection pipe 31.

  The drive gear 47 is disposed on the back side of the discharge air passage wall 46, that is, on the lower side. As shown in FIG. 8, an eccentric shaft 52 projects from the lower end surface of the drive gear 47. The eccentric dimension of the eccentric shaft 52 with respect to the central axis of the drive gear 47 is indicated by reference numeral 1 in FIG. Therefore, when the drive gear 47 is rotated together with the fan 45, the eccentric shaft 52 is rotated in a circle having an eccentric dimension l as a radius around the central axis of the drive gear 47.

  As shown in FIG. 6, the transmission unit 51 includes a gear reducer 53, an input side transmission mechanism 54, and an output side transmission mechanism 55. The input side transmission mechanism 54 is formed of, for example, a drive gear 47, an input gear 53a included in the gear reducer 53, and an input side timing belt 54a wound around the input gear 53a. May be used. The output side transmission mechanism 55 is formed of, for example, an output gear 53b included in the gear reducer 53, a passive gear 25 included in the rotary cleaning body 21, and an output side timing belt 55a wound around these. However, a gear transmission mechanism may be used.

  A wiping unit 61 is attached to the suction head 12 so as to be able to reciprocate. As shown in FIGS. 10A and 10B, the wiping unit 61 includes a pair of left and right end floor wiping members 62, a rear floor wiping member 63, a pair of left and right side members 64, and a pair of left and right side members, for example. A front wiping member 65 is provided.

  As shown in FIG. 5, the end floor wiping member 62 includes a lower base portion 62a and a lower wiping element 62b. The lower base portion 62a is made of a synthetic resin and has a flat plate shape having a size corresponding to the end side bottom wall portion 13a1. The lower wiping element 62b is made of mohair, pile, or the like, and is attached to the lower surface of the lower base portion 62a.

  The rear floor surface wiping member 63 is provided over a pair of end floor surface wiping members 62, and includes a lower base portion 63 a and a rear wiping element 63 b in the same manner as the end floor surface wiping members 62. The lower base portion 63a is made of a synthetic resin and has a flat plate shape having a size corresponding to the rear bottom wall portion 13a2. The lower base portion 63 a is formed integrally with the lower base portion 62 a of the end floor surface wiping member 62. The rear wiping element 63b is made of mohair, pile, or the like, and is attached to the lower surface of the lower base portion 63a. The rear wiping element 63b is also provided integrally with the lower wiping element 62b of the end floor wiping member 62, and the lower wiping element 62b and the rear wiping element 63b are flush with each other. Accordingly, the pair of end floor surface wiping members 62 and the rear floor surface wiping member 63 are continuous with each other in a U-shape.

  The side member 64 is bent upward from the end floor wiping member 62, and includes a side base portion 64a and a side wiping element 64b as shown in FIG. The side surface base portion 64 a is made of synthetic resin and is integrally formed with the lower base portion 62 a of the end floor surface wiping member 62. The side surface wiping element 64b is made of mohair, pile, or the like, and is attached to the side surface of the side surface base portion 64a. The side surface wiping element 64 b is continuous with the lower wiping element 62 b of the end floor surface wiping member 62.

  The front wiping member 65 is bent from the front end of the side member 64 and covers the end floor wiping member 62 from the front side. As shown in FIGS. 10A and 10B, the front wiping member 65 includes a front base portion 65a and a front wiping element 65b. The front base portion 65 a is made of synthetic resin and is integrally formed with the lower base portion 62 a of the end floor wiping member 62 and the side surface base portion 64 a of the side surface member 64. Furthermore, the front base portion 65a is bent from the front end of the side surface base portion 64, and is also bent from the front end of the lower base portion 62a. The length of the front base portion 65a is longer than the width of the end floor surface wiping member 62 in the left-right direction. The front wiping element 65b is made of mohair, pile, or the like, and is attached to the front surface of the front base portion 65A. The front wiping element 65 b is continuous with the side wiping element 64 b of the side member 64.

The lower edge of the front wiping element 65b and the front edge of the lower wiping element 62b are discontinuous, and the lower edge of the front wiping element 65b is located above the lower surface of the lower wiping element 62b. A ventilation groove 66 shown in FIG. 5 is formed between the edges. The ventilation groove 66 extends in the left-right direction along the front edge of the front wiping element 65b, and the lower edge of the front base portion 65a is exposed in the ventilation groove 66. In addition, the code | symbol A in FIG. 5 shows the flooring floor surface, and the code | symbol B has shown the indoor side wall edge stood up substantially orthogonally with respect to the flooring floor surface.

  On the back surface (upper surface) of the lower base portion 63a of the rear floor surface wiping member 63, the same number of sliding projections 67 as the elongated holes 16 are integrally projected as shown in FIG. Further, a passive member 69 having a slit-like engagement groove 68 is integrally formed at the center portion in the longitudinal direction of the lower base portion 63a.

  The wiping unit 61 having the above-described configuration is attached to the lower head case 13 so as to be movable in the left-right direction. The pair of end floor wiping members 62 included in the wiping unit 61 attached to the lower head case 13 cover the end side bottom wall portion 13a1 of the lower head case 13 from below. These end portion floor surface wiping members 62 are arranged so as to be continuous on the left and right sides with respect to the floor surface cleaning member 23 of the rotary cleaning body 21 when the suction head 12 is viewed from the front or rear direction. . The rear floor surface wiping member 63 included in the wiping unit 61 attached to the lower head case 13 is fitted into the rear bottom wall portion 13a2 of the lower head case 13, and the rear bottom wall portion 13a2 is disposed below the rear bottom wall portion 13a2. Covering from.

  The pair of left and right end floor wiping members 62 and the rear floor wiping member 63 arranged as described above surround the suction opening 15 except for the front side as shown in FIG. The lower surfaces of the end floor wiping member 62 and the rear floor wiping member 63 are flush with each other, and the height of the lower surfaces is slightly higher than the lower surface of the pressure receiving member 18.

  As shown in FIG. 7, the passive member 69 is smaller than the escape hole 13j of the lower head case 13, and is accommodated in the escape hole 13j. The passive member 69 can move in the left-right direction within the escape hole 13j. Further, as shown in FIG. 5, each sliding projection 67 is slidably fitted in the long hole 16 of the lower head case 13 at the corresponding position. The lower head case 13 supports the wiping unit 61 so that the wiping unit 61 can move in the left-right direction by interposing a sliding ring 70 between the sliding projections 67 and screwing screws 71 into the respective sliding projections 67. Has been. The sliding ring 70 is made of a material having high lubricity, and its diameter is larger than the width of the hole in the direction perpendicular to the longitudinal direction of the long hole 16, and prevents the wiping unit 61 from coming off from the lower head case 13. There is no.

  The pair of side members 64 provided in the wiping unit 61 attached to the lower head case 13 covers the lower side surfaces of the left and right side walls 13 c of the lower head case 13. A pair of front surface wiping members 65 included in the wiping unit 61 attached to the lower head case 13 cover the lower front surface of the front wall 13 b of the lower head case 13. These front wiping members 65 are arranged in front of the suction head 12. Furthermore, as shown in FIG. 3, the pair of front surface wiping members 65 cover the front surfaces of both ends in the longitudinal direction of the floor surface cleaning member 23 included in the rotary cleaning body 21. At the same time, the ventilation groove 66 between the lower wiping element 62 b and the front wiping element 65 b communicates with the suction opening 15 of the lower head case 13.

  The wiping unit 61 is reciprocated by the wiping member driving means. The wiping member driving means is formed using, for example, the cleaning body driving means 41 as a driving unit. Specifically, the wiping member driving means is formed by the fan (driving unit) 45 of the cleaning body driving means 41, the eccentric shaft 52, and the passive member 69 of the wiping unit 61. The engaging groove 68 is inserted.

  When the electric blower of the vacuum cleaner 1 having the above-described configuration is operated, the dust-containing air sucked through the suction opening 15 of the suction port body 11 is moved into the suction port body 11, the extension pipe 7, and the dust suction hose 6. In this order of description, they are guided into the cleaner body 2. Thereby, air and dust are separated in the vacuum cleaner main body 2 and dust is collected in the dust collecting part, while the air sucked into the electric blower and discharged from the electric blower is external to the vacuum cleaner main body 2. To be released.

  The flow path of the dust-containing air passing through the suction port 11 under such cleaning is as follows.

That is, the dust-containing air passes through the periphery of the rotary cleaning body 21 from the suction opening 15 and is sucked into the suction port 35, and then passes through the air passage formed on the lower side of the fan block 42 and is connected to the connection pipe. It is sucked into a fixed cylinder portion (not shown) which is an entrance of 31 and further flows from the front connection pipe portion 32 through the rear connection pipe portion 33.
Aside from such a flow of dust-containing air, outside air is passed through the suction port 11 and the fan 45 is rotated. That is, outside air sucked into the outside air passage (not shown) from the passage inlet 48 of the upper head case 14 circulates from the passage outlet 49 via the fan storage chamber through a discharge air passage (not shown). It is sucked into the connecting pipe 31 from the outlet 50. For this reason, the fan 45 stored in the fan storage chamber is rotated.

  Since the fan 45 is a drive unit of the cleaning body driving means 41, the rotational force of the fan 45 is transmitted via the input side transmission mechanism 54, the gear reducer 53, and the output side transmission mechanism 55 of the cleaning body driving means 41. Given to the rotary cleaning body 21, the rotary cleaning body 21 is rotated. Therefore, the dust on the flooring floor surface A is scraped up by the floor surface cleaning member 23 of the rotary cleaning body 21 and carried on the above-described dust-containing air flow.

  In this cleaning, rotation of the rotary cleaning body 21 causes the floor cleaning member 23 to scrub the flooring floor A so that the flooring floor A is polished by the floor cleaning member 23. To be polished.

  Moreover, since the fan 45 also serves as a drive unit for the wiping member driving means, the wiping unit 61 is repeatedly reciprocated in the left-right direction. The vibration operation of the wiping unit 61 will be described with reference to FIG.

  As shown in FIGS. 11A and 11B, the eccentric shaft 52 of the wiping member driving means is rotated together with the fan 45 from a state where the eccentric shaft 52 is positioned at one end in the longitudinal direction of the engaging groove 68 of the passive member 69. It is assumed that the eccentric shaft 52 rotates clockwise as the drive gear 47 rotates. As the relative position of the eccentric shaft 52 and the engagement groove 68 changes as shown in FIG. 11C by this rotation, the eccentric shaft 52 causes the rear floor surface wiping member 63 to pass through the passive member 69 as shown in FIG. (C) (D) Push and move in the direction indicated by the arrow L1. Thereby, the wiping unit 61 having the rear floor surface wiping member 63 is moved in the left direction indicated by the arrow L1.

  Thereafter, as the relative position of the eccentric shaft 52 and the engaging groove 68 changes as shown in FIG. 11E, the eccentric shaft 52 moves the rear floor surface wiping member 63 through the passive member 69 in FIG. E) (F) Push and move in the direction indicated by middle arrow R1. Thereby, the wiping unit 61 having the rear floor surface wiping member 63 is moved in the right direction indicated by the arrow R1.

  As the relative position between the eccentric shaft 52 and the engagement groove 68 changes as shown in FIG. 11G due to the continuation of rotation, the eccentric shaft 52 moves the rear floor surface wiping member 63 through the passive member 69 in FIG. (G) (H) Push and move in the direction indicated by arrow R2. As a result, the wiping unit 61 having the rear floor wiping member 63 is further moved to the right as indicated by the arrow R2.

  Further, as the drive gear 47 and the eccentric shaft 52 rotate once by the continued rotation and the relative position between the eccentric shaft 52 and the engagement groove 68 is returned as shown in FIG. Then, the rear floor surface wiping member 63 is pushed and moved in the direction indicated by the arrow L2 in FIGS. Thereby, the wiping unit 61 having the rear floor surface wiping member 63 is moved in the right direction indicated by the arrow R2.

  Thus, the wiping unit 61 is moved in one reciprocating left-right direction for one rotation of the drive gear 47 and the eccentric shaft 52, and this one-cycle operation is repeated by continuing the rotation of the eccentric shaft 52. Accordingly, the pair of left and right end floor surface wiping members 62 rub against the flooring floor surface A, so that the dust on the flooring floor surface A can be easily separated from the flooring floor surface A.

  The pair of left and right end floor wiping members 62 are disposed so as to be continuous with the left and right sides of the floor cleaning member 23 of the rotary cleaning body 21 with the suction head 12 viewed from the front or the rear. Thus, the flooring floor surface A can be cleaned with almost the full width of the suction head 12 by the end floor surface wiping member 62 and the rotary cleaning body 21.

  Therefore, when cleaning is performed so that the side wall member 64 is in contact with the indoor side wall B, the floor surface position closer to the indoor side wall B can be cleaned by the one end floor wiping member 62. At this time, even if the side member 64 hits the indoor side wall B, the side member 64 can be buffered by the side wiping element 64b of the side member 64, so that the side member 64 can function as a bumper.

  In the above-described cleaning, the flooring floor surface A is polished and polished by the pair of left and right end floor surface wiping members 62 that rub the flooring floor surface A. Further, in the rear floor surface wiping member 63 that is repeatedly reciprocated together with the end floor surface wiping member 62, separation of dust from the flooring floor surface A and glazing of the flooring floor surface A are performed.

  Moreover, since the suction opening 15 is surrounded by a pair of left and right end floor surface wiping members 62 and a rear floor surface wiping member 63 on three sides except for the front side, the degree of vacuum of the suction opening 15 is increased, and the dust absorption performance is accordingly increased. Can be improved. At the same time, since the pair of end floor wiping members 62 and the rear floor wiping member 63 are integrated, the end floor wiping member 62 and the rear floor wiping are performed as they rub the flooring floor A. The member 63 is less likely to be peeled off than when the members 63 are separate and attached to the lower head case 13.

  Further, when the front end of the suction head 12 is pressed against the indoor side wall B, the front wiping member 65 of the wiping unit 61 is pressed against the lower end of the indoor side wall B. Therefore, the dust adhering to the lower end part of the indoor side wall B can be easily separated and dropped by the vibration of the front wiping member 65 in the left-right direction.

  Moreover, in a state where the front wiping member 65 is pressed against the indoor side wall B, the degree of vacuum of the ventilation groove 66 is increased. Therefore, the dust from which the front wiping member 65 has been dropped can be easily sucked into the suction opening 15 by placing it on the air flow through which the air is sucked into the suction opening 15 through the ventilation groove 66.

  When the direction in which the wiping unit 61 is reciprocally moved is the front-rear direction of the suction head 12, the elongated hole 16 is provided to extend in the front-rear direction, and the passive member 68 is provided to extend in the left-right direction. Just do it. In this case, the dust adhering to the lower end portion of the indoor side wall B can be easily removed by rubbing with the side surface wiping element 64b of the side member 64 that is vibrated in the front-rear direction.

  Further, the side wiping element 64b and the front wiping element 65b integrated with the side wiping element 64b are separated from the lower wiping element 62b and the rear wiping element 63b and pasted to the lower head case 13, whereby the lower wiping element 62b and the rear wiping element In the case where a ventilation groove extending in the front-rear direction is formed between the edge of the side surface member 64b of 63b and the side surface wiping element 64b, and the ventilation groove is communicated with the suction opening 15, the side surface wiping element The dust 64b scraped off from the indoor side wall B can be easily sucked into the suction opening 15.

  In the above-described cleaning, when the suction port body 11 is moved forward along the flooring floor A, an operation force F (see FIG. 4) that is obliquely downward is applied to the suction port body 11 through the extension pipe 7. It is done. This operating force mainly acts on the connection convex portion 13 e of the lower head case 13 positioned behind the wiping unit 61 and is mainly supported by the pressure receiving member 18 and the roller 17. Accordingly, the wiping unit 61 can be prevented from being strongly pressed against the flooring floor surface A by the operation force. Therefore, the reciprocating movement (vibration) of the wiping unit 61 in the left-right direction can be easily and reliably performed. Thus, the flooring floor surface A and the like can be cleaned.

  12 to 14 show a second embodiment of the present invention. Since the second embodiment has the same configuration as the first embodiment except for the items described below, the same configuration as the first embodiment is denoted by the same reference numerals as those of the first embodiment, and the description thereof is omitted. .

  In the second embodiment, the suction head 12 includes a fixed brush 75 protruding downward from the lower head case 13. Specifically, the fixed brush 75 is provided on the lower surface of the front base portion 65a of the pair of left and right front wiping members 65, and is provided in a row parallel to the axial direction of the rotary cleaning body 21. The downward protruding length of the fixed brush 75 is longer than the thickness of the lower wiping element 62b of the end floor wiping member 62 adjacent to the fixed brush 75.

  Further, in the second embodiment, a root groove 76 for ventilation is provided on the rear side of the fixed brush 75, that is, between the fixed brush 75 and the front edge of the lower wiping element 62b. The root groove 76 extends along the root of the fixed brush 75 and communicates with the suction opening 15.

  Since the suction port body 11 is provided with the fixed brush 75 as described above, as the suction port body 11 is moved along the flooring floor surface, V provided between the floor materials forming the flooring floor surface is provided. The dust in the letter-shaped groove can be scraped out by the fixed brush 75. In addition, the scraped dust can be sucked into the suction opening 15 by the air flowing through the root groove 76 from the side being scraped. As described above, by cleaning using the suction port body 11 of the second embodiment, it is possible to clean not only the outermost surface of the flooring floor but also the inside of the groove of the flooring floor.

  Except for the matters described above, the second embodiment is the same as the first embodiment including the configurations not shown in FIGS. 12 to 14. For the reason already described in the first embodiment, the second embodiment is The problems of the present invention can be solved.

  In addition, when the lower wiping element 62b and the rear wiping element 63b are separated front and rear, a row-shaped fixed brush 75 along the rear edge of the lower wiping element 62b is provided between these members. The second embodiment can also be implemented by providing a root groove extending along the root along the root of the fixed brush 75. Further, the fixed brush 75 is provided so as to cross at a right angle or obliquely with respect to the lower wiping element 62 b, and a root groove extending along the root of the fixed wiping element 75 and crossing the lower wiping element 62 b extends along the root of the fixed brush 75. It is also possible to implement the second embodiment.

  In each of the above embodiments, the driving unit of the cleaning body driving unit 41 and the driving unit of the wiping member driving unit are shared by one fan 45, which is preferable in terms of simple configuration. However, these driving units are separately provided. The present invention can be provided to implement the present invention, and an electric motor can be employed in place of the fan 45 for the drive unit regardless of whether the drive unit is shared.

Furthermore, the present invention is Ru can be implemented by omitting the side members 64 and the front wiping member 65.

DESCRIPTION OF SYMBOLS 1 ... Electric vacuum cleaner, 2 ... Vacuum cleaner main body, 2b ... Dust suction port, 5 ... Dust absorption air passage body, 6 ... Dust absorption hose, 6a ... One end part of dust absorption hose, 6b ... Other end part of dust absorption hose, 7 ... Extension pipe 7c, the tip of the extension tube, 11 the suction port, 12 the suction head, 13a the bottom wall of the lower head case (the bottom wall of the suction head), 13e the connection convex part, 15 the suction opening, 18 the pressure receiving pressure Members 21... Rotary cleaning body 23. Floor cleaning member (peripheral part of the rotary cleaning body) 24 24 bearings 31 connection tube 32 front connection tube 33 rear connection tube 41 cleaning Body drive means 45 ... Fan (drive part) 52 ... Eccentric shaft (a part of the wiping member drive means) 61 ... Wipe unit 62 ... End floor wiping member 62a ... Under the end floor wiping member Base part, 62b ... Lower wiping element, 63 ... Rear floor wiping member, 63a ... Rear floor wiping Lower base part of member, 63b ... rear wiping element, 65 ... front wiping member, 65a ... front base part, 65b ... front wiping element, 66 ... ventilation groove, 68 ... engagement groove, 69 ... passive member (wiping member driving) Part of means), 75 ... fixed brush, 76 ... root groove

Claims (7)

A suction head having a suction opening on the bottom wall, a connecting pipe attached to the rear portion of the head, a peripheral portion is formed of a floor surface cleaning member, and a lower portion of the floor surface cleaning member passes through the suction opening. A suction port body for an electric vacuum cleaner comprising: a rotary cleaning body rotatably supported by a bearing in the suction head in a state in which the suction head is mounted; and a cleaning body driving means built in the suction head for rotating the rotary cleaning body. In
A pair of left and right end floor wiping members comprising a lower base portion and a lower wiping element attached to the lower base portion ;
A rear floor surface wiping member integrated with the end floor surface wiping member comprising a lower base portion and a rear wiping element mounted on the lower base portion;
Wiping member driving means provided in the suction head,
The end floor surface wiping member is below both sides of the suction opening of the bottom wall so as to be continuous with the floor surface cleaning member of the rotary cleaning body in a state where the suction head is viewed from the front or the rear direction, and Each of the rear floor wiping members is disposed below the suction opening of the bottom wall across the pair of the end floor wiping members, and It is arranged to be reciprocable along the bottom wall, and surrounds the suction opening except for the front side with the end floor wiping member and the rear floor wiping member,
The wiping member driving means is connected to the lower base portion, a pair of said end floor wiping member and the electric cleaner head body, wherein the Ru rear floor wiping member is reciprocated together . The wiping member driving means is
A drive part of the cleaning body drive means which is rotationally driven;
An eccentric shaft that is eccentric with respect to the central axis of the drive unit;
An engaging groove into which the eccentric shaft is inserted, and a passive member integrated with the lower base portion that is alternately pushed in the reciprocating direction by the eccentric shaft by the eccentric rotation of the eccentric shaft.
The suction inlet for an electric vacuum cleaner according to claim 1. The connection pipe is connected to the front connection pipe portion and a rear connection that is pivotally connected to a position that continues substantially behind the front connection pipe portion and a position that continues to bend with respect to the front connection pipe portion. Having a pipe section,
The suction head has a connection convex portion protruding rearward from the central portion of the rear portion,
The front connection pipe portion is connected to the connection convex portion so as to be rotatable around a central axis extending in the front-rear direction,
Connecting the pressure receiving member that supports the operation force in the downward direction applied to the rear connection pipe portion in contact with the floor to be cleaned in a state where the rear connection pipe portion is raised obliquely with respect to the connection convex portion. The suction mouth for a vacuum cleaner according to claim 1 or 2 , wherein the suction port is attached to a convex portion, and a lower end of the pressure receiving member is disposed lower than a lower surface of the end floor wiping member. A front wiping member disposed at the front end of the suction head and reciprocally moved integrally with the end floor wiping member; the front wiping member is bent upward from the front end of the lower base portion to A front base portion covered from the front side and a front wiping element attached to the front base portion, and communicated with the suction opening between a front edge of the lower wiping element and a lower edge of the front wiping element The suction inlet for a vacuum cleaner according to any one of claims 1 to 3, wherein a ventilation groove is formed . A fixed brush that extends along either the front or rear edge of the pair of end floor surface wiping members, or a fixed brush that crosses the end floor surface wiping member, and the protruding length of the fixed brush below the end brush The suction mouth for a vacuum cleaner according to claim 1 or 2 , characterized in that it is longer than the thickness of the lower wiping element of the partial floor surface wiping member. The ventilation root groove that extends along the root of the fixed brush and communicates with the suction opening is provided on at least one of the front side and the rear side of the fixed brush. Suction port for vacuum cleaner. A vacuum cleaner body having a dust suction port;
The suction pipe according to any one of claims 1 to 6, wherein the suction pipe is connected to the dust suction hose, the extension pipe connected to the tip of the dust suction hose, and the tip of the extension pipe. A dust-absorbing air passage body having a mouth,
The vacuum cleaner characterized by comprising.

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