JPH01185231A - Vacuum cleaner - Google Patents

Abstract

PURPOSE:To prevent a dust collector cover from being opened unless a mouth part of a hose connecting cylinder of the dust collector cover is closed by a shutter plate by opening the shutter plate of the dust collector cover connecting a suction hose to the hose connecting cylinder. CONSTITUTION:In a condition that a vacuum cleaner is not in use, a shutter plate 21 is closed. Then protecting a mouth part 18 by the shutter plate 21 while pressing a stopper lever 27 by a protrusive piece 22 of the shutter plate 21, because the stopper lever 27 is disengaged from a stopper piece 10, a clamping unit 6 is able to turn. When a paper bag filter 28 is replaced, it is only required to turn a hand hooking protruding part 8 of the clamping unit 6 in the upper direction, release a hook stopping pawl part 9 from its hook stopping engagement with a protruding part 12 of a front side wall 11 and to open a dust collector cover 5. Since a lock unit 26 is provided for holding an engaging condition of the clamping unit, engaging the dust collector cover with a vacuum cleaner main unit, when the sliding shutter plate opens the mouth part, in a condition that the vacuum cleaner is in use, the shutter plate is surely opened, and the clamping unit holds the engaging condition by the lock unit.

Description

DETAILED DESCRIPTION OF THE INVENTION A) Industrial Application Field The present invention relates to a vacuum cleaner having a dust collection lid that can be opened and closed.

(b) Conventional technology For example, in the vacuum cleaner shown in Utility Model Application Publication No. 60-97560, the dust collection chamber of the vacuum cleaner body is covered with a dust collection lid that can be opened and closed, and a suction hose is connected to the dust collection lid. a hose connection cylinder,
A clamp body, which is provided with a shutter plate that covers the mouth of the hose connection cylinder so as to be openable and closable, and which is movably pivoted to the vacuum cleaner body, is hooked onto the front end of the dust collection lid.
The clamp body engages the dust collection lid with the main body of the vacuum cleaner.

In the prior art, the clamp body is not provided with a locking means, so if a protrusion hits the clamp body during cleaning, the clamp body will disengage, opening the dust collection lid, and removing dust in the dust collection chamber. There is a risk of it spreading into the room.

ej Problems to be Solved by the Invention The present invention has been made to solve the above-mentioned drawbacks, and it is designed to prevent the dust collecting lid from opening unless the opening of the hose connection cylinder of the dust collecting lid is closed with a shutter plate. The technical challenge is to prevent the dust collection lid from opening automatically during cleaning.

B) Means for Solving the Problems In order to solve the above problems, the vacuum cleaner of the present invention has a structure as shown in the drawings, which includes a vacuum cleaner main body having a dust collection chamber with an opening on the top surface, and a vacuum cleaner body with a dust collection chamber having an opening on the top surface. A dust collection lid that can be opened and closed, a hose connection cylinder for connecting a suction hose provided on the dust collection lid, a sliding shutter plate that opens and closes the mouth of the hose connection cylinder, and the dust collection lid. The present invention is characterized in that it includes a clamp body that engages with the vacuum cleaner main body and a lock body that maintains the engaged state of the clamp body when the shutter plate opens the mouth portion.

(e) Effect With the above configuration, when the vacuum cleaner is in use, the shutter plate of the dust collection lid is opened and the suction hose is connected to the hose connection cylinder, so that the shutter plate is opened and the lock body is connected to the clamp body. Maintain the engaged state and do not open the dust collection lid. On the other hand, when the vacuum cleaner is not in use, if the shutter plate is closed, the clamp body is released from being held by the lock body, and the dust collection lid is opened by operating the clamp body.

(f) Example Hereinafter, the structure of the vacuum cleaner of the present invention will be explained based on FIGS. 1 to 4.

(1) is a vacuum cleaner body, which is equipped with an electric blower (2) at the rear and a dust collection chamber (4) with a top opening (3) at the front. (1) The top opening (3) is covered with a rotatable dust collection lid (5) that can be opened and closed by pivoting on the peripheral edge.

(6) is a clamp body rotatably supported on the front end portion of the dust collecting lid (5), and the clamp body (6) has pivot shafts (7) (7) on both sides as shown in FIG. ), a handle protrusion (8) is provided at the upper front part, a hook part (9) is provided at the door part, and a pair of locking pieces (10) α0) are formed protruding from the rear. The dust collecting lid (5) opens the top opening (3) by hooking the hooking claw (9) from the front to the protruding coffin on the front side wall of the vacuum cleaner body (1). When the dust collection lid (5) is engaged with the vacuum cleaner main body (1) in the closed state, and the handle protrusion (8) is rotated upward with fingers, the engagement is released and the dust collection is completed. The lid (5) is designed to open upward.

(2) is a hose connection part formed in the center of the dust collecting lid (5), through which a suction hose (not shown) to which a floor suction device (not shown) or the like is connected is attached and detached. The hose connection part (1
As shown in Fig. 3, 31 is an outer opening (■) formed on the outer plate of the dust collecting lid (5), an inner opening αη formed on the inner plate (α0) of the dust collecting lid (5), and the suction hose is inserted into the opening A hose connection cylinder (19) having a bottomless cylindrical mouth part 0 mark for locking and installed between the outer plate and the inner plate α0, and the mouth part a
8) A synthetic rubber on-off valve (■) attached to the lower end opening part; A sliding shutter plate (2D) is provided to cover the scent barrel so that it can be opened and closed.As shown in Figure 4, the shutter plate is approximately rectangular in shape and has a pair of protruding pieces from both sides of the front end. (branch) (
As shown in FIG. 1, the upper plate (141
A pair of guide projecting walls H (2
4) with both left and right side surfaces (5) (g) aligned so as to be slidable in the front and rear direction. Furthermore, (1) scratch) is a locking coil spring body of the clamp body (6), and the coil spring body picture (2) has its tip extended to form a locking rod, and the upper plate α of the dust collection lid (5) The guide wall (24) (24) on the back side of the guide
) The locking rod - □□□ is attached to the front part of the clamp body (6) so as to be always positioned on the top surface of the locking piece (101 (10). When the board slides in the direction in which the opening is closed, that is, in the forward direction, the left and right side portions (22a) (22a) of the protruding piece (22)■ engage the locking rod □□□. They are configured to be pushed open in the direction of mutual expansion, and when the shutter plate (211) closes the mouth opening, the locking rod @(5) closes the locking rod as shown by the solid line in FIG. piece 00
) αO) Since the clamp body (6) comes off from the upper surface part, it becomes freely rotatable. On the other hand, when the shutter plate (21J) opens the mouth side, the locking rod □□ □The locking piece ααα0) is located on the top surface of the locking piece ααα0) to prevent the clamp body (6) from rotating.

(Foundation) is a paper bag filter that is removably housed in the dust collection chamber (4), and the batten (support) is installed so that the mouth plate (@) faces the inner opening αη of the lower plate αe. It is arranged and equipped at the top opening (3) of the dust collection chamber (4) by means of a frame (3).

When the vacuum cleaner is in use, the shutter plate (2υ) of the dust collecting lid (5) is opened and a suction hose (not shown) is inserted and connected to the opening 08. At this time, the released shutter plate (211) separates from the locking rod of the coil spring body (A) (2), so that the locking rod (211) moves away from the clamp body (211).
The locking piece (10) of the dust collecting lid (6) is located on the top surface of the dust collecting lid (10), and therefore the clamp body (6) does not rotate.
5) and the vacuum cleaner main body (1) are maintained in an engaged state;
The dust collection lid (5) does not open even if a protrusion or the like hits the handle protrusion (8) of the clamp body (6).

On the other hand, when the vacuum cleaner is not in use, the shutter plate (2
1) Block. Then, the mouth (18) is protected by the shutter plate (21), and the shutter plate CD
The protruding piece (support) □□□ presses the locking rod @□□□,
Since the locking rod @ (5) comes off from the locking piece (1) (10), the clamp body (6) becomes rotatable, and when replacing the paper bag filter example, the clamp body (6) is used as a handle. Rotate the protrusion (8) 1 upward to release the engagement between the latch claw part (9) and the protrusion (2) of the front side wall 01);
All you have to do is open the dust collection lid (5).

(G) Effects of the Invention As described above, in the vacuum cleaner of the present invention, when the sliding shutter plate that covers the mouth of the hose connection cylinder so as to be openable and closable opens the mouth, the dust collecting lid and the vacuum cleaner Since it has a lock body that maintains the engaged state of the clamp body that engages with the main body, when the vacuum cleaner is in use, the shutter plate is always opened and the clamp body is maintained in the engaged state by the lock body. Therefore, even if a protrusion or the like hits the clamp body during cleaning, the dust collection lid will not open, making it possible to obtain a vacuum cleaner that is easy to use.

[Brief explanation of the drawing]

The drawings all relate to the vacuum cleaner of the present invention; Fig. 1 is a back view of the outer panel of the dust collection lid, Fig. 2 is a perspective view of the whole, Fig. 6 is a partially cutaway side view of the whole, and Fig. 4 is a shutter plate. In the main part diagrams showing the relationship between the clamp body and the clamp body, (a) is a diagram with the shutter plate open, and (b) is a diagram with the shutter plate closed. (1)...Vacuum cleaner body, (5)...Dust collection lid, ■--
・Clamp body, (2] J...shutter plate, ■)...
- Coil spring body for lock (lock body).

Claims (1)

[Claims] (1) A vacuum cleaner body having a dust collection chamber with an opening on the top surface, a dust collection lid that covers the top opening so as to be openable and closable, a hose connection cylinder for connecting a suction hose provided on the dust collection lid, and the hose a sliding shutter plate that opens and closes the mouth of the connecting cylinder; a clamp body that engages the dust collection lid with the vacuum cleaner body; and a clamp body that opens and closes the mouth of the connecting cylinder; A vacuum cleaner comprising a lock body that maintains an engaged state.