JPH026900Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a structure for assembling a front cap that is opened and closed to take out collected dust in a portable electric cleaner having a cleaning function.

(Prior Art) An example of the conventional art is Japanese Utility Model Application Publication No. 177057/1983.

(Problem to be solved by the invention) In the case of the above publication, the clamp button engages with the engagement hole only by elastic force in the vertical direction, so there is no elastic force to press the case toward the main body. However, there are problems in that the case tends to move loosely during use, and that operations for attaching and detaching the case to the main body and attaching the clamp button to the main body are complicated.

(Means for Solving the Problems) The purpose of the present invention is to provide a front cap assembly structure that avoids the above problems and simplifies and stabilizes the assembly of the front cap. The rear end edge of the front cap, which is assembled to the front end of the housing having a chamber therein in order to open and close the opening at the front end, is provided with a auxiliary engaging part formed at the front end of the housing for releasably engaging the front cap. A latching pawl is formed, and a main latching portion formed at the front end of the housing is formed at a portion near the rear edge of the front cap opposite to the latching pawl, and can be separated by spanning the housing and the front cap. It is characterized by a buckle that is formed so as to be elastically swung by a pressing operation to be elastically engaged with the buckle.

(Function) When attaching and detaching the front cap to the housing, the present invention attaches the front cap to the housing via a hook formed on the front cap and a buckle that is elastically swingable and elastically attached to the front cap side. On the other hand, the front cap is detached from the housing by releasing the hooked state of the buckle by pressing the buckle, and the front cap is attached to and detached from the housing with a single touch.

(Embodiment) Next, an embodiment of the present invention will be described with reference to the drawings. In the drawing, 1 is a housing of a cleaner main body C, and a switch lever 3 is installed inside the housing for rotationally driving a fan 2. A motor chamber 1a housing a motor 4 to be started and stopped is in communication with a dust collection chamber 1b housing a dust bag 5 for collecting dust sucked by the rotation of the fan 2 and having an opening 1c at the front end. They are connected back and forth through a partition wall 6 having a hole 6a, and a main engaging part 7 having a substantially hook-shaped cross section is recessed at the upper end of the front end in the drawing, while a protruding piece 8a is provided at the lower end of the front end in the drawing. A sub-engaging portion 8 is formed in which the recessed portion 8b is connected to the front and back.

Reference numeral 9 denotes a front cap attached to the front end of the housing 1 in order to open and close the opening 1c of the dust collection chamber 1b when taking out the dust collected in the dust bag 5. It is formed into a cylindrical shape, and a valve 11 for opening and closing the inlet 10 is fixed to the rear end of the inner cylindrical part 9a so as to be elastically bendable to the rear, while the rear end edge of the outer cylindrical part 9b is At the lower end, a locking claw 12 protruding rearward for locking the sub-clutching portion 8 of the housing 1 in an occlusal manner, and an interlocking hole 12a penetrating in front of the locking claw 12 are formed. , outer cylinder part 9b
At the illustrated upper end of the housing 1, a fitting part 13 opposite to the main engaging part 7 of the housing 1 is recessed in a cross-sectional shape. The upper end of the rear wall 13a of the fitting part 13 is bent backward in order to fit the tip of the main engaging part 7, while the lower end of the rear wall 13a is provided with a locking hole 14, and further, Both side walls 1 are slightly in front of the rear wall 13a.
A pair of left and right protrusions 15, 15 are protruded from the lower end of 3b so as to face each other.

Reference numeral 16 designates a main hooking portion 7 of the housing 1 that extends between the housing 1 and the front cap 9 and releasably elastically hooks the front cap 9 to the housing 1.
The buckle is elastically swingably attached to the fitting part 13 of the front cap 9 in order to be removably attached to the front end of the housing 1 in cooperation with the latching claw 12. The upper piece 16a is formed in a slightly curved plate shape so as to be attached across the upper piece 9, and the vertical piece 16b is suspended near the center of the upper piece 16a. The upper piece 16a is arranged in a substantially T-shape so that the upper piece 16a can elastically swing.
6b is formed such that it can be inserted into the gap between the rear wall 13a and both protrusions 15 of the fitting part 13, and a vertical piece 16b is press-fitted into the gap between the rear wall 13a and both protrusions 15 at the lower end of the rear side surface. A locking protrusion 17 is provided in a protruding manner to lock the vertical piece 16b to the rear wall 13a when the vertical piece 16b is engaged in the locking hole 14. And the upper piece 16a
At the front end of the fitting part 13, there is a slightly thin elastic piece 16c that can be brought into pressure contact with the bottom surface of the fitting part 13 and can be elastically curved downwardly in a folded manner. The upper piece 16a is arranged in a row so as to be biased in the clockwise direction, and the rear end of the upper piece 16a is provided with a main engaging part 7 of the housing 1 for elastically engaging the front cap 9 so that the front cap 9 is pressed toward the housing 1. A claw portion 18 is formed, and when the buckle 16 is pushed down against the elasticity of the resilient piece 16c so that the vertical piece 16b descends along the rear wall 13a, the locking protrusion 17 engages the engagement hole 14. The buckle 16 can be elastically secured to the front cap 9 by engaging with the front cap 9. Then, the front cap 9 with the buckle 16 attached thereto is inserted into the housing 1 from the front of the housing 1.
When pressed to the side, the latch claw 12 of the front cap 9 is automatically engaged with the sub-engaging part 8 of the housing 1, and the claw part 18 of the buckle 16 is automatically engaged with the main engaging part 7, so that the front cap is closed. 9 is attached to the tip of the housing 1, and when the front part of the upper piece 16a of the buckle 16 is pressed downward against the resilient piece 16c, the upper piece 16a swings clockwise and the claw part 19 Since the engagement state between the front cap 9 and the main engagement portion 7 is released, the front cap 9 can be detached to the front of the housing 1 to open the dust collection chamber 1b.

Next, the operation and effects of the embodiment having the above configuration will be explained.

Now, in this example, the rear end edge of the front cap 9 assembled to the tip of the housing 1 is formed with a locking pawl 12 for releasably locking the sub-clutching part 8 of the housing 1. A portion of the upper end near the rear edge facing the latch claw 12 is designed to be elastically swung by a pressing operation in order to elastically latch the main engaging portion 7 of the housing 1 across the housing 1 and the front cap 9. Buckle 1 formed in
6 is elastically attached.

For this reason, the front cap 9 is connected to the housing 1.
The front end of the front cap 9 can be easily assembled via the latch claw 12 and the buckle 16, and the front cap 9 can be firmly assembled with the front cap 9 pressed toward the housing 1 to form the assembled state of the front cap 9. It is possible to stabilize the front cap 9 and suppress the movement of the front cap 9 during use.

Further, the buckle 16 is formed so that the locking protrusion 17 automatically engages with the engagement hole 14 when the buckle 16 is pushed down, so that the buckle 16 is elastically fixed to the front cap 9 with one touch, Buckle 1
6 is attached to the front cap 9, the latch claw 12 is released by pressing the front cap 9.
is automatically engaged with the sub-engagement part 8 and the claw part 1
8 is configured to be automatically engaged with the main engaging portion 7, which simplifies the assembly operation of the front cap 9 to the housing 1. In addition to being able to reduce the number of parts, when opening the dust collection chamber 1b, the buckle 16 is pressed with one hand, the engagement between the buckle 16 and the main engagement part 7 is disengaged, and the front cap 9 can be removed from the housing 1 with one touch. Front cap 9 can be removed
This has the effect of significantly simplifying the operation of attaching and detaching the housing 1 to the housing 1.

(Effect of the invention) That is, the present invention has a front cap that is assembled to the front end of a housing in which a dust collection chamber is installed in order to open and close an opening at the front end of the housing. A latching pawl is formed for releasably latching the auxiliary latching portion, while a main latching portion formed at the front end of the housing is formed at a portion facing the latching pawl near the rear edge of the front cap. The front cap assembly mechanism is improved by elastically engaging a buckle formed to be elastically swung by a pressing operation so as to be releasably elastically latched across the housing and the front cap. This has the effect of simplifying the operation and simplifying the operation for opening and closing the dust collection chamber by easily attaching and detaching the front cap to the housing with one touch.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; Fig. 1 is an enlarged sectional view of the main parts, Fig. 2 is a vertical sectional view of the electric cleaner body, Fig. 3 is an exploded perspective view of the front cap and buckle, and Fig. FIG. 4 is an exploded perspective view of the sub-engaging part and the latch claw, and FIG. 5 is an exploded perspective view of the main engaging part, the buckle, and the fitting part. DESCRIPTION OF SYMBOLS 1... Housing, 1b... Dust collection chamber, 7... Main engaging part, 8... Sub-engaging part, 9... Front cap, 12... Latching claw, 16... Buckle.

Claims (1)

[Scope of utility model registration request] A sub-engaging portion formed at the front end of the housing is releasably hooked to the rear edge of a front cap that is assembled to the front end of the housing in which the dust collection chamber is installed in order to open and close the opening at the front end. A main engaging portion formed at the front end of the housing is formed at a portion near the rear end edge of the front cap opposite to the retaining claw for straddling the housing and the front cap. An assembly structure for a front cap in an electric cleaner, characterized in that a buckle formed to be elastically swung by a pressing operation is elastically engaged in order to be elastically engaged in a releasable manner.