JP2007301266A - Upright vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an upright vacuum cleaner which has improved convenience. <P>SOLUTION: This upright vacuum cleaner includes a main body section 10, an extension tube 2, a main body handle 11, locking mechanisms 23 and 15a, and a release switch 17. In this case, the main body section 10 is freely turnably provided above a suction port body 5, and at the same time, has a built-in electric blower 7 and a built-in dust collecting chamber 8. The extension tube 2 is attached to the main body section 10 and extends at the time of cleaning, and at the same time, has an at-hand handle 3 which is gripped by a user on the distal end. The main body handle 11 is provided on the main body section 10, and is gripped when the main body section 10 is carried. The locking mechanisms 23 and 15a lock the stretch/contraction of the extension tube 2 which is shortened and contracted when being housed. The release switch 17 releases the locking mechanisms 23 and 15a, and at the same time, is provided on the same side as the main body handle 11 to the extension tube 2 in the vicinity of the main body handle 11. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a vertical vacuum cleaner having a main body with a built-in electric blower above a suction port, and in particular, a vertical vacuum cleaner that can change the position of a hand grip held by a user during storage and cleaning. About.

  Conventional vertical vacuum cleaners are disclosed in Patent Documents 1 and 2. These vertical vacuum cleaners are provided with a main body portion including an electric blower and a dust collection chamber above the suction port body. The main body is provided with a main body handle that is gripped during transportation. In addition, an extendable extension tube is detachably attached to the main body. The extension pipe has a hand grip that is held by the user during cleaning at one end, and the other end is open. A hose communicating with the electric blower is connected in the vicinity of the hand grip of the extension pipe. Thereby, the extension tube can be removed from the main body and sucked from the opening at the tip.

  The extension pipe attached to the main body is closed at the tip, and is shortened when the vertical vacuum cleaner is stored. This reduces the storage space of the vertical vacuum cleaner. At this time, expansion and contraction of the extension pipe is locked by the lock mechanism. When cleaning, the user grasps the main body handle and carries the vertical vacuum cleaner, releases the lock mechanism by a push button provided on the peripheral surface of the extension pipe, and extends the extension pipe. Then, the user can clean the hand grip by sucking it from the suction port body.

JP 2004-357839 A (7th page, FIG. 1) Japanese Patent Laying-Open No. 2005-110714 (page 3 to page 5, FIG. 2)

  However, according to the conventional vertical vacuum cleaner, the pushbutton for releasing the locking mechanism and the main body handle are opposite to the extension pipe in a state where the extension pipe is shortened and the vertical vacuum cleaner is stored. Are located apart. For this reason, the user needs to carry the vertical vacuum cleaner with the handle of the main body and move it around the push button after installing it on the floor. Therefore, there is a problem that the operation at the start of cleaning is complicated and the convenience of the vertical vacuum cleaner is poor.

  An object of this invention is to provide the vertical vacuum cleaner which can improve the convenience.

  In order to achieve the above-mentioned object, the present invention is provided so as to be pivotable above the suction port body, and has a main body portion incorporating an electric blower and a dust collecting chamber, attached to the main body portion and extended during cleaning, and has a tip. An extension tube having a hand grip to be gripped by a user, a main body handle provided on the main body portion to be gripped during transportation of the main body portion, a lock mechanism for locking expansion and contraction of the extension tube shortened during storage, The lock mechanism is released, and a release portion provided on the same side as the main body handle with respect to the extension pipe is provided in the vicinity of the main body handle.

  According to this configuration, when cleaning, the user grips the main body handle to carry the vertical vacuum cleaner, installs the suction port on the floor, and operates the release portion near the main body handle. As a result, the lock mechanism is unlocked and the extension tube is extended. Then, the user can clean the hand grip by sucking it from the suction port body.

  According to the present invention, in the vertical vacuum cleaner having the above-described configuration, the release portion can be operated with a hand that holds the main body handle. According to this configuration, after the vertical vacuum cleaner is installed, the extension pipe is unlocked by simultaneously operating the release portion while supporting the main body handle with the hand holding the main body handle.

  In the vertical type vacuum cleaner having the above-described configuration, the extension pipe includes an outer cylinder supported by the main body portion and an inner cylinder that fits and slides on the outer cylinder. The outer cylinder is provided. According to this configuration, the position of the release portion provided in the outer cylinder is constant regardless of the expansion and contraction of the extension pipe.

  According to the present invention, in the vertical vacuum cleaner configured as described above, the lock mechanism has an engaging element that penetrates the outer cylinder and engages with a recess provided in the inner cylinder, and the release portion is the outer cylinder. And an abutting portion that abuts against the engaging element and an escape part that retracts the engaging element.

  According to this configuration, when the extension pipe is shortened, the engaging element penetrating the outer cylinder is engaged with the recess of the inner cylinder. Since the engaging portion cannot be retracted due to the contact portion of the release portion, the extended state of the extension tube is maintained. When the release portion is slid, the engaging member is retracted to the escape portion, and the engagement between the concave portion and the engaging member is released, so that the inner cylinder can be extended.

  Further, the present invention is the vertical vacuum cleaner of the above configuration, wherein the extension pipe is detachably formed with respect to the main body, and is connected to the hose communicating with the electric blower near the hand grip, When the extension tube is attached to the main body, an insertion port is provided at the lower portion of the main body portion, and the upper end of the main body portion is engaged with the end of the extension tube opposite to the hand grip. A locking portion to be stopped is provided on the peripheral surface of the extension pipe.

  According to this configuration, when the extension pipe is removed from the main body, it can be sucked from the end opposite to the hand grip through the hose. The extension tube is attached to the main body portion by inserting the end opposite to the hand grip into the insertion port and locking the locking portion to the upper portion of the main body portion.

  Further, the present invention is characterized in that, in the vertical type vacuum cleaner having the above configuration, the height from the surface to be cleaned to which the suction port body faces to the main body handle is set to 600 to 800 mm.

  According to the present invention, since the release portion of the lock mechanism that locks the expansion and contraction of the extension pipe is provided in the vicinity of the main body handle on the same side as the main body handle with respect to the extension pipe, the vertical vacuum cleaner is transported and installed on the floor surface. After that, the extension tube can be easily extended to start cleaning. Therefore, the convenience of the vertical vacuum cleaner can be improved.

  In addition, according to the present invention, the release portion can be operated with a hand that grips the main body handle, so that when the vertical vacuum cleaner is transported and installed on the floor, the lock mechanism is locked with one hand while supporting the main body grip portion. It can be canceled. Therefore, it is possible to easily prevent the vertical vacuum cleaner from overturning.

  Further, according to the present invention, the extension pipe has the outer cylinder supported by the main body section and the inner cylinder that fits and slides on the outer cylinder, and the release section is provided on the outer cylinder, so that the position of the release section is constant. Can be held in. Therefore, the release portion can be operated stably, and the operability can be prevented from being lowered.

  Further, according to the present invention, the engaging member penetrating the outer cylinder is engaged with the concave portion of the inner cylinder to lock the extension pipe, and the release having the abutting portion that contacts the engaging member and the escape portion that retracts the engaging member. Since the portion is slid along the outer cylinder to unlock the extension tube, a release portion that can be operated while grasping the main body handle can be easily realized.

  Further, according to the present invention, since the insertion port into which the opening end of the extension pipe is fitted is provided in the lower part of the main body part, and the locking part for locking to the upper part of the main body part is provided in the peripheral surface of the extension pipe, The position of can be easily held constant.

  Further, according to the present invention, since the height from the surface to be cleaned to the main body handle is 600 to 800 mm, the user does not have to bend when carrying the vertical vacuum cleaner or operating the release portion. Usability of the vacuum cleaner is improved.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side sectional view showing a vertical vacuum cleaner according to an embodiment. The vertical vacuum cleaner 1 includes a rotatable main body 10 above the suction port body 5. The main body portion 10 includes a first chamber 10 a in which the electric blower 7 and the dust collection chamber 8 are built, and a second chamber 10 b in which a cord reel 9 that supplies power to the electric blower 7 is built. The first chamber 10a is disposed below the second chamber 10b, and protrudes forward from the second chamber 10b to form a step portion 10c.

  In the first chamber 10 a of the main body 10, a suction port path 12 that is connected to the dust collection chamber 8 through the introduction port 14 is provided. The suction port path 12 communicates with an opening (not shown) facing the floor surface of the suction port body 5. An extension pipe path 13 branched from the inlet 14 and opened on the stepped part 10c is provided in the upper part of the first chamber 10a.

  An extension pipe 2 is disposed on the front surface of the main body 10. The extension pipe 2 is formed in a cylindrical shape, and the lower end surface 2a is opened. The upper end of the extension pipe 2 is closed, and a hand grip 3 that is held by the user when cleaning is provided. An extension hose 4 is connected in the vicinity of the hand grip 3 of the extension pipe 2. The telescopic hose 4 is connected to the extension pipe path 13 at the step portion 10c.

  As shown in FIG. 2, a locking groove 19 is provided on the front surface side of the upper end of the second chamber 10 b of the main body 10. On the peripheral surface of the outer cylinder 16, a hook 18 (locking portion) that fits in the locking groove 19 is projected. The lower end surface 2a of the extension tube 2 is fitted into the insertion port 6 provided in the step portion 10c, and the extension tube 2 is attached to the main body portion 10 by engaging the hook 18 with the engagement groove 19.

  A locking portion 19a (see FIG. 2) that is urged by a biasing means (not shown) protrudes from the side surface of the locking groove 19. The lock portion 19 a engages with a recess (not shown) provided on the side surface of the hook 18 to lock the mounting state of the extension pipe 2. When the release button 20 (see FIG. 2) provided on the upper surface of the second chamber 10b is pressed, the lock portion 19a is retracted, and the lock of the extension tube 2 in the mounted state can be released.

  An L-shaped main body handle 11 extending upward from the rear end of the second chamber 10b and bent forward is provided at the upper end of the main body portion 10. The vertical vacuum cleaner 1 can be carried by holding the main body handle 11. As shown in FIG. 3, the main body handle 11 is provided with a switch 21 for turning on and off the electric blower 7.

  FIG. 4 is a cross-sectional view showing the internal configuration of the extension pipe 2. The extension pipe 2 has an outer cylinder 16 and an inner cylinder 15 that fits inside the outer cylinder 16. A stopper 3 a integrated with the hand grip 3 is attached to the upper end of the inner cylinder 15. The hand grip 3, the stopper 3a, and the inner cylinder 15 slide together in the vertical direction with respect to the outer cylinder 16, so that the extension tube 2 can be expanded and contracted. The inner cylinder 15 is positioned when the stopper 3a having a diameter larger than that of the inner cylinder 15 contacts the outer cylinder 16 and the extension pipe 2 is shortened. Further, when the extension pipe 2 is extended, the inner cylinder 15 is pulled by the telescopic hose 4 and is prevented from coming off.

  A housing 16 a that protrudes rearward and is close to the front end of the main body handle 11 is integrally provided at the upper end of the outer cylinder 16. A release switch 17 (release portion) urged downward by a compression spring 22 is provided in the housing 16a so as to be slidable up and down. On the front side of the release switch 17, a flat contact portion 17a and a relief portion 17b cut out below the contact portion 17a are formed.

  A recess 15 a is formed on the peripheral surface of the inner cylinder 15. The outer cylinder 16 is provided with a through hole 16b facing the recess 15a when the inner cylinder 15 is arranged at the lower end. The spherical engagement element 23 passes through the through hole 16b and engages with the recess 15a. The release switch 17 arranged at the lower end by the urging of the compression spring 22 makes the contact portion 17 a contact the engagement element 23. Thereby, since the engagement element 23 cannot be retracted, the engagement with the recess 15a is maintained and the position of the inner cylinder 15 is locked. Accordingly, the recess 15a and the engagement element 23 constitute a lock mechanism that locks the state in which the extension tube 2 is shortened.

  When the release switch 17 is raised against the urging force of the compression spring 22, the escape portion 17 b faces the engagement element 23. At this time, when the hand grip 3 is pulled up, the engaging element 23 is retracted to the escape portion 17b, and the hand grip 3 and the inner cylinder 15 are raised. Thereby, the extension tube 2 can be extended. There may be provided an urging means for urging the engaging element 23 in the direction of retracting to the escape portion 17b. A groove 11a is formed at the front end of the main body handle 11 to avoid interference with the lifting release switch 17. Further, the release switch 17 is held at a raised position by the engaging member 23 straddling the through hole 16b and the escape portion 17b.

  In the vertical vacuum cleaner 1 configured as described above, when the vertical vacuum cleaner 1 is stored, the extension pipe 2 attached to the main body 10 is shortened, and the main body 10 is erected substantially vertically. When cleaning, the user holds the main body handle 11 to carry the vertical vacuum cleaner 1 and installs the suction port 5 on a desired floor surface. The main body handle 11 is supported by the hand and the tilted main body portion 10 is supported, and the hand is slid forward to release the release switch 17 and the main body handle 11 simultaneously. Thereby, engagement with the engagement element 23 and the recessed part 15a is cancelled | released, and the expansion / contraction lock | rock of the extension pipe | tube 2 is cancelled | released. In this state, the extension pipe 2 can be extended by pulling the hand grip 3 upward.

  When the switch 21 provided on the main body handle 11 is turned on, the dust on the floor is sucked from the suction port body 5 by driving the electric blower 7. Dust sucked from the suction port body 5 is guided to the dust collection chamber 8 through the suction port path 12 and the introduction port 14. When the extension tube 2 is removed from the main body 10, dust is sucked from the opened lower end surface 2a. Dust sucked from the lower end surface 2 a of the extension pipe 2 is guided to the dust collection chamber 8 through the extension pipe 2, the telescopic pipe 4, the extension pipe path 13 and the introduction port 14.

  When the extension pipe 2 has been removed after the cleaning is completed, the lower end surface 2 a is inserted into the insertion port 6, and the hook 18 is locked in the locking groove 19. Further, when the hand grip 3 is pushed down and the recess 15a faces the engagement element 23, the release switch 17 is lowered by the bias of the compression spring 22 and the engagement element 23 and the recess 15a are engaged. The vertical vacuum cleaner 1 is transported by holding the main body handle 11 and stored in a predetermined position.

  According to this embodiment, since the release switch 17 of the lock mechanism that locks the expansion and contraction of the extension pipe 2 is provided in the vicinity of the main body handle 11 on the same side as the main body handle 11 with respect to the extension pipe 2, the vertical vacuum cleaner 1 is After transportation and installation on a desired floor surface, it is not necessary to go around to the opposite side of the extension pipe 2, and the extension pipe 2 can be easily extended to start cleaning. Therefore, the convenience of the vertical vacuum cleaner 1 can be improved.

  Further, since the release switch 17 can be operated with a hand holding the main body handle 11, the extension tube 2 can be locked while supporting the main body holding portion 11 with one hand when the vertical vacuum cleaner 1 is transported and installed on the floor surface. Can be released. Therefore, the vertical vacuum cleaner 1 can be easily prevented from falling.

  Further, since the outer tube 16 is attached to the main body 10 and the extension tube 2 is expanded and contracted by sliding the inner tube 15 and the release switch 17 is provided on the outer tube 16, the position of the release switch 17 can be held constant. . Therefore, the release switch 17 can be operated stably, and a decrease in operability can be prevented.

  Further, the insertion port 6 into which the lower end surface 2a of the extension pipe 2 is fitted is provided in the lower part of the main body part 10, and the hook 18 that is locked to the upper part of the main body part 10 is provided in the peripheral surface of the extension pipe 2. The position of the tube 2 can be easily kept constant.

  In FIG. 1, the outlet 9a of the cord reel 9 is provided at a position where the height H1 from the surface to be cleaned is 500 to 600 mm. Thereby, when pulling out the cord reel 9, the user does not have to bend, and the usability of the vertical vacuum cleaner 1 is improved. Further, the upper surface of the main body handle 11 is provided at a position where the height H3 from the surface to be cleaned is 600 to 800 mm. Thereby, when carrying the vertical vacuum cleaner 1 or operating the release switch 17, the user does not have to bend, and the usability of the vertical vacuum cleaner 1 is improved. H2 indicates the height from the surface to be cleaned to the upper surface of the main body 10.

  ADVANTAGE OF THE INVENTION According to this invention, it can utilize for the vertical vacuum cleaner which can change the position of the hand grip which a user holds at the time of accommodation and cleaning.

Side surface sectional drawing which shows the vertical vacuum cleaner of embodiment of this invention The perspective view which shows the upper front surface of the main-body part of the vertical vacuum cleaner of embodiment of this invention. The perspective view which shows the upper back of the main-body part of the vertical vacuum cleaner of embodiment of this invention Sectional drawing which shows the extension pipe | tube of the vertical vacuum cleaner of embodiment of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vertical vacuum cleaner 2 Extension pipe 3 Hand grip 4 Telescopic hose 5 Suction port body 6 Insertion port 7 Electric blower 8 Dust collection chamber 9 Code reel 10 Main body part 11 Main body handle 12 Suction port path 13 Extension pipe path 15 Inner cylinder 15a Concave portion 16 Outer tube 16b Through hole 17 Release switch 17a Contact portion 17b Escape portion 18 Hook 19 Locking groove 22 Compression spring 23 Engagement element

Claims (6)

  An extension having a main body part that is rotatably provided above the suction port body and incorporates an electric blower and a dust collecting chamber, and has a hand grip that is attached to the main body part and extends during cleaning and is gripped by a user at the tip. A pipe, a main body handle that is provided on the main body portion and is gripped when the main body portion is transported, a lock mechanism that locks the expansion and contraction of the extension pipe shortened during storage, and the vicinity of the main body handle while releasing the lock mechanism And a release portion provided on the same side as the main body handle with respect to the extension pipe.   The vertical vacuum cleaner according to claim 1, wherein the release portion can be operated with a hand that holds the main body handle.   The extension tube has an outer cylinder supported by the main body and an inner cylinder that fits and slides into the outer cylinder, and the release portion is provided in the outer cylinder. The vertical vacuum cleaner described.   The lock mechanism has an engagement element that penetrates the outer cylinder and engages with a recess provided in the inner cylinder, and the release part is slidably provided along the outer cylinder and contacts the engagement element. The vertical vacuum cleaner according to claim 3, further comprising a contact portion and a relief portion for retracting the engagement element.   The extension pipe is detachably formed with respect to the main body, and is connected to a hose communicating with the electric blower in the vicinity of the hand grip, and when the extension pipe is attached to the main body, the extension pipe Provided at the lower part of the main body part is an insertion port into which the end opposite to the hand grip of the pipe is fitted, and provided on the peripheral surface of the extension pipe is an engaging part that is locked to the upper part of the main body part. The vertical vacuum cleaner according to any one of claims 1 to 4, wherein the vertical vacuum cleaner is provided.   The vertical vacuum cleaner according to any one of claims 1 to 5, wherein a height from a surface to be cleaned facing the suction port body to the main body handle is set to 600 to 800 mm.

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