JP6170741B2 - Vacuum cleaner - Google Patents

Description

  The present invention relates to a suction-type cleaning device that removes dust, dirt, and the like adhering to a shoe sole, a wheel of a carriage, and the like.

  When people or trolleys enter factories or clean rooms, it is necessary to remove dust and dirt adhering to shoes and wheels in order to keep the room clean, and equipment that removes dust and dirt from the entrance May be installed.

  As a device for removing dust, soil, etc., for example, a suction type cleaning device is employed.

  As a suction type cleaning device, for example, a dust collection box and a dust collector connected to the dust collection box are provided, and a number of suction openings are provided on the top plate of the dust collection box, and these suction openings are attached upward by an elastic body. The suction port is closed when the movable member is pushed downward with the passage of the shoe sole or the wheel of the carriage, and the suction port is opened through the suction port. There is known one in which the attached matter is removed by suction (see Patent Document 1).

Japanese Patent No. 345859

  Since the suction type cleaning device as described above is opened and closed by the vertical movement of the movable member that receives the load of the object to be cleaned, the suction port opened in the upper surface plate of the dust suction box is opened and closed. There is a risk that dust or the like is caught between the movable member and the movable member, and the suction performance is lowered.

  An object of the present invention is to provide a suction-type cleaning device in which dust or the like is caught in the suction port and there is no possibility that the suction performance is deteriorated.

Means for Solving the Problems and Effects of the Invention

A suction type cleaning apparatus according to the present invention includes a flat box-shaped casing having an upper opening, and a plurality of tread units arranged side by side in the front , rear, left , and right in the casing so as to close the upper opening of the casing, A suction device connected to the casing so as to communicate with the interior thereof, and each tread unit has a plurality of suction holes in the upper wall portion and a hollow block shape having a communication port with the inside of the casing in the lower wall portion A horizontal plate-shaped lid body that is disposed in the interior of the footboard body so as to be movable in the vertical direction relative to the footboard body, and that can close the communication port when stacked on the lower wall portion of the footboard body, and the lid body A support leg extending from the lower surface of the casing to the bottom of the casing, and the lid and the tread body so that the tread board main body is closed by the lid when the tread body is not loaded from above Upper wall Provided between and a biasing means for upwardly biasing the treadle body and be cleaned product over any tread plate unit in a state of actuating the suction device to ride, treadle by the load The main body is lowered, the communication port is opened, and the adhering matter to be cleaned is sucked and removed by the suction device through the suction hole.

  According to the above-described suction type cleaning device, if an object to be cleaned is placed on any tread unit from above with the suction device operated, a downward load is applied to the tread body, thereby lowering the tread body. The communication port is opened, and the adhering material to be cleaned passes through the communication hole from the suction hole and is sucked into the suction device to remove the adhering material. There is no risk of problems due to dust.

  In the suction type cleaning apparatus according to the present invention, a vertical guide plate for guiding the elevation of the tread body is provided between the adjacent tread units, and the upper edge of the guide plate rides on the tread body. It is preferable that the tread board main body is disposed at a height that can be regulated so as not to further descend from the lowered position where the communication port is opened by contacting the object to be cleaned.

  When the guide plate as described above is provided, when the tread body that has received a load from above is lowered, the adjacent tread bodies are not in contact with each other, so that the tread body can be smoothly lowered. In addition, when the above-described guide plate is provided, when the tread body that has received a load from above is lowered, the upper surface thereof is lowered to the upper edge of the guide plate, so positioning when the tread body is lowered. Can do.

  In the suction type cleaning apparatus according to the present invention, it is preferable that a plurality of anti-slip protrusions are provided on the upper surface of the tread body in each tread unit so as to avoid the suction holes.

  When the above-described protrusions are provided, the object to be cleaned is prevented from slipping due to the frictional force generated between the protrusion on the upper surface and the object to be cleaned when the object to be cleaned rides on the upper surface of the tread body. be able to.

1 is a plan view of a suction type cleaning apparatus according to an embodiment of the present invention. It is a top view of a tread board unit. It is a disassembled perspective view of a tread board unit. (A) is the elements on larger scale longitudinally along the AA line of FIG. (B) is the elements on larger scale longitudinally along the BB line of FIG. (A) is a longitudinal cross-sectional view along the AA line of FIG. 1 in the state which the to-be-cleaned object got on. (B) is a longitudinal cross-sectional view along the BB line of FIG.

Embodiments of the present invention will be described below with reference to the drawings.
In this embodiment, the right side in FIG. 1 is referred to as “right” and the left side is referred to as “left”. Further, the upper side of FIG. 1 is referred to as “front”, and the lower side is referred to as “rear”.
As shown in FIGS. 1 to 5, the suction-type cleaning device (1) closes the flat box-shaped casing (2) having an upper opening (2a) and the upper opening (2a) of the casing (2). In this way, a plurality of step board units (3) arranged in a horizontal direction in the casing (2), and a suction device (not shown) connected to the casing (2) so as to communicate with the inside thereof are provided. .

The casing (2) is square when viewed from the plane, and includes a bottom portion (21), front and rear side walls (22) provided vertically upward from the periphery of the bottom portion (21), and front and rear side walls (22). An annular upper wall (23) extending inward from the upper edge and a hanging wall (24) extending downward from the inner edge of the upper wall (23) are formed.
The right side wall (22) of the casing (2) is provided with two connection ports (22a) communicating with the inside of the casing (2) and connected to a pipe (not shown) such as a hose extending from the suction device. . The suction device is composed of, for example, a turbo fan. Further, the connection port (22a) may be provided at one place or three or more places.
The tread board units (3) are arranged in six rows on the front, rear, left and right in the casing (2).

  As shown in FIGS. 2 and 3, each tread unit (3) has a plurality of suction holes (311a) in the upper wall portion (311) and communicates with the inside of the casing (2) in the lower wall portion (312). A hollow block-shaped tread body (31) having a mouth (312a), and a lower wall portion of the tread body (31) disposed inside the tread body (31) so as to be movable relative to the tread body (31) in the vertical direction. (312) a horizontal plate-like lid (32) that can close the communication port (312a) when stacked on the bottom of the casing (2) from the lower surface of the lid (32) through the communication port (312a) (21 ) So that the communication opening (312a) of the treadle body (31) is blocked by the lid body (32) when the support leg (33) extending to) and the treadle body (31) receive no load from above. And an urging means (34) for urging the tread body (31) upward.

  The tread body (31) has a square box shape as viewed from above, and includes an upper wall portion (311), a peripheral wall portion (313) provided extending downward from the peripheral edge of the upper wall portion (311), and a center. And a lower wall portion (312) having a circular communication port (312a). The length of one side of the upper wall portion (311) of the tread board main body (31) is about 10 cm.

  A plurality of anti-slip protrusions (311b) are formed on the upper wall portion (311) of the tread plate main body (31) so as to avoid the suction holes (311a). The tread body (31) has a bent edge (314) formed by bending the lower edge of the front and rear peripheral wall portions (313) inward in the front-rear direction, and the left and right sides of each bent edge (314) The first screw insertion hole (314a) opened at the end and the first screw hole (312b) opened at the four corners of the lower wall (312) are overlapped, and the screw (35) is inserted through the first screw from above. It is formed by screwing into the first screw hole (312b) through the hole (314a).

  The lid (32) is formed in a circular shape that is slightly larger than the communication port (312a) so that the periphery of the lid (32) engages with the periphery of the communication port (312a) to close the communication port (312a). The lid (32) has a total of four first pin insertion holes (32a) opened in two places on the left and right sides near the center, and one on the right and left sides of the first pin insertion hole (32a). A total of two second screw insertion holes (32b), each of which is opened one by one, are formed.

  The support leg (33) includes a total of four second pin insertion holes (331a) and a second screw of the lid (32) that are formed at positions overlapping the first pin insertion holes (32a) of the lid (32). A flat surface portion (331) having a total of two second screw holes (331b) formed in a position overlapping the insertion hole (32b), and a casing (vertical downward) continuous from the front and rear sides of the flat surface portion (331). The leg part (332) which extended to the bottom part (21) of 2) and spread in the left-right direction is comprised.

The screw (36) inserted through the second screw insertion hole (32b) of the lid (32) from above is screwed into the second screw hole (331b) of the support leg (33) to support the lid (32). The leg (33) is fixed.
Further, the first pin insertion hole (32a) of the lid body (32) and the second pin insertion hole (331a) of the support leg body (33) can be moved vertically from above the lid body (32). A pin (37) having (37a) is passed through.

  The biasing means (34) was put on the pin (37) inserted through the first pin insertion hole (32a) of the lid body (32) and the second pin insertion hole (331a) of the support leg (33). It is a spring. The upper end of the spring is received by the head (37a) of the pin (37), and the lower end of the spring is received by the lid (32). The urging means (34) is not limited to a spring, and other elastic bodies such as rubber can be used, for example. Further, the urging means (34) is not limited to be provided between the lid (32) and the upper wall portion (311) of the tread body (31) .For example, a spring is attached to the tread body (31). You may provide between a lower wall part (312) and the bottom part (21) of a casing (2).

  As shown in FIGS. 4 and 5 (b), the upper wall portion (311) of each tread unit (3) not receiving a load from above is the same height as the upper wall (23) of the casing (2). It has become the same. In addition, a vertical guide plate (4) for guiding the elevation of the tread body (31) is provided between the adjacent tread units (3). The upper edge (4a) of the guide plate (4) comes into contact with the object to be cleaned on the tread body (31), so that the tread body (31) opens from the lowered position where the communication port (312a) is opened. Furthermore, it arrange | positions at the height which can be controlled so that it may not descend | fall. Further, the hanging wall (24) of the casing (2) guides the tread body (31) so that the tread body (31) can be smoothly lowered similarly to the guide plate (4).

  The guide plate (4) protrudes downward at a plurality of intervals in the longitudinal direction to form leg portions (41a) on the bottom portion (21) of the casing (2). The first partition plate (41) provided extending in the left-right direction between the first partition plate (41) and the second partition plate (42) provided extending in the front-rear direction between the tread plate units (3) arranged in the left-right direction. Yes. In the first partition plate (41), a slit cut downward from the upper edge (4a) is formed at a position corresponding to the space between the front and rear tread plate units (3), and the second partition plate (42) The slit cut upward from the lower end edge is formed at a position corresponding to between the left and right tread board units (3). The guide plate (4) is formed in a lattice shape as seen from the plane by fitting the slits of the first partition plate (41) and the slits of the second partition plate (42). A slight gap of about 0.5 mm is provided between each tread board main body (31) and the guide plate (4).

According to the present invention, the tread unit (3) receives a load from above when a person or a carriage gets on the arbitrary tread unit (3).
When a load from above is applied to the tread unit (3) and the tread body (31) is lowered, the lid (32) is moved upward relative to the tread body (31). (312a) is released. When the load from above is removed, the tread base body (31) is urged upward by the elastic force of the spring, returns to its original position, and the communication port (312a) is closed again.

Next, a process of sucking and removing dust adhering to the shoe sole (5a) using the suction type cleaning device (1) of the present invention will be described.
Before the person (6) wearing the shoes (5) gets on the treadle unit (3), connect the suction device to the connection port (22a) of the right side wall (22) of the casing (2) and operate the suction device. deep. In this state, since the lid (32) overlaps the communication port (312a) of the tread unit (3), it is disconnected from the inside of the tread body (31) and the connection port (22a) to which the suction device is connected. Yes.

  As shown by the two-dot chain line in FIG. 5 (a), when the person (6) wearing the shoes (5) gets on the tread unit (3), the tread body (31) that receives the load is lowered and On the other hand, the lid (32) rises relatively. As a result, the communication port (312a) is opened, and the inside of the tread board main body (31) communicates with the connection port (22a) to which the suction device is connected. Then, dust or the like adhering to the shoe sole (5a) due to the suction action of the suction device is sucked through the suction hole (311a) of the footboard body (31) below it. The sucked adhering matter such as dust passes through the communication port (312a) from the inside of the tread board main body (31), and is sucked into the suction device through the inside of the casing (2).

  In the suction-type cleaning device (1) of the present invention, the suction port (311a) itself of the tread body (31) is not opened and closed, and the tread body (31) having the communication port (312a) is connected to the lid (32). Since the communication port (312a) is opened and closed by relatively moving up and down, there is a problem in that the suction performance deteriorates due to the attachment of dust and the like between the suction port and its movable member as in the prior art Does not occur.

  In this embodiment, the step of sucking dust attached to the shoe sole (5a) has been described. However, for example, dust attached to the wheel of the carriage can be sucked in the same manner. In this embodiment, the state in which the protrusion (311b) is formed on the upper surface of the tread body (31) has been described. However, the protrusion (311b) may not be formed on the upper surface of the tread body (31).

(2) Casing
(2a) Opening
(21) Bottom
(3) Tread board unit
(31) Tread body
(311) Upper wall
(311a) Suction hole
(311b) Projection
(312) Lower wall
(312a) Communication port
(32) Lid
(33) Support leg
(34) Energizing means
(4) Guide plate
(4a) Top edge

Claims (3)

A flat box-shaped casing having an upper opening, a plurality of tread units arranged side by side in the front , rear, left and right in the casing so as to close the upper opening of the casing, and connected to the casing so as to communicate with the inside A suction device,
Each tread unit includes a hollow block-like tread body having a plurality of suction holes in the upper wall portion and a communication port in the casing on the lower wall portion,
A horizontal plate-like lid that is arranged in the tread body so as to be movable in the vertical direction relative to the tread body, and that can close the communication port when stacked on the lower wall portion of the tread body,
A support leg extending from the lower surface of the lid to the bottom of the casing through the communication port;
Provided between the lid and the top wall of the tread body so that the communication hole of the tread body is closed by the lid when the tread body is not receiving a load from above. And a biasing means for biasing,
When the object to be cleaned gets on any tread unit with the suction device activated, the tread body is lowered by the load and the communication port is opened. A suction-type cleaning device which is removed by suction.   A vertical guide plate that guides the raising and lowering of the tread board body is provided between adjacent tread board units, and the upper edge of the guide plate is in contact with the object to be cleaned on the tread board body. 2. The suction type cleaning device according to claim 1, wherein the tread plate main body is disposed at a height that can be regulated so as not to further descend from the lowered position where the communication port is opened. The suction type cleaning device according to claim 1 or 2, wherein a plurality of anti-slip projections are provided on the upper surface of the tread body in each tread unit so as to avoid the suction holes.

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