KR101820832B1 - Telescopic pipe of vacuum cleaner - Google Patents

Telescopic pipe of vacuum cleaner Download PDF

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Publication number
KR101820832B1
KR101820832B1 KR1020150100544A KR20150100544A KR101820832B1 KR 101820832 B1 KR101820832 B1 KR 101820832B1 KR 1020150100544 A KR1020150100544 A KR 1020150100544A KR 20150100544 A KR20150100544 A KR 20150100544A KR 101820832 B1 KR101820832 B1 KR 101820832B1
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KR
South Korea
Prior art keywords
pipe
guide holder
stopper
wall
slide member
Prior art date
Application number
KR1020150100544A
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Korean (ko)
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KR20170009095A (en
Inventor
김윤성
Original Assignee
주식회사 와이에스테크
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Publication date
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Priority to KR1020150100544A priority Critical patent/KR101820832B1/en
Publication of KR20170009095A publication Critical patent/KR20170009095A/en
Application granted granted Critical
Publication of KR101820832B1 publication Critical patent/KR101820832B1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

The pipe connecting device for a vacuum cleaner according to an embodiment of the present invention includes a first pipe having a coupling part formed at one side thereof, a second pipe inserted into the inner periphery of the first pipe and having a plurality of fixing grooves arranged in the longitudinal direction, A guide holder formed on the first pipe and having a stopper protruded downward so as to be insertable into the fixing groove and having a push spring formed in a vertical direction and a guide spring formed in a horizontal direction, The stopper being elastically biased toward the upper end surface of the stopper by the pushing spring so as to be elastically biased upwardly by the pushing spring and to release the slide member from the top end of the stopper when pressed, Button.

Description

{Telescopic pipe of vacuum cleaner}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pipe connecting device for a vacuum cleaner, and more particularly, to a pipe connecting device for a vacuum cleaner that can be adjusted in length by a simple operation of a push button.

A vacuum cleaner is a type of vacuum cleaner widely used in homes and businesses, and absorbs dirt and trash away from the surrounding area by strong suction force using air pressure. The structure is composed of an intake port, a motor, a rotating blade, a filter, a dust-collecting case, an exhaust port, and the like. The commutator motor rotates the rotating blades more than 10,000 times to make the inside vacuum, and sucks dust or debris through the intake port. The dirt, debris, etc. that are sucked are filtered from the filter, and the air escapes to the exhaust port.

When the vacuum cleaner is used, the suction port is brought into contact with the floor, and the user holds the handle in a line state to push the vacuum cleaner. At this time, the length of the pipe connecting the suction port and the handle, Respectively.

Korean Patent Laid-Open Publication No. 10-1999-005687 entitled " Length Adjustable Extension Tub of Vacuum Cleaner " (published on Jan. 25, 1999) discloses such a conventional pipe length adjusting device.

This conventional technique is characterized in that a hollow outer tube having a fixing portion for fixing the suction brush to the front end portion and having a fixing groove formed at the rear end portion and a fixing projection engaging with the fixing groove are formed on the inner surface, A hollow inner pipe which is inserted into an inner circumferential surface of the fixing pipe and forms a fitting groove at a front end portion and has a fixing portion to which the knob is mounted at a rear end portion; And a sealing tube inserted into the outer tube is inserted into the outer tube so that the sealing tube is continuously assembled to provide a length adjustable extension tube of the vacuum cleaner.

However, this conventional technique has a problem that the operation is not fast because the inner tube is rotated in one direction to freely extend or reduce the entire assembly length.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a pipe coupling device for a vacuum cleaner which can adjust the length of a pipe only by a simple pressing operation.

The present invention relates to a pipe having a first pipe formed with an engaging portion, a second pipe insertable into the inner periphery of the first pipe and having a plurality of fixing grooves arranged in the longitudinal direction, A guide holder having a stopper protruding downwardly so as to be inserted into the stopper, the guide spring including a push spring formed in a vertical direction and a guide spring formed in a horizontal direction, And a push button which is provided with a slide member which presses the stopper downward and which is biased elastically upwardly by the push spring and which releases the slide member from the upper end of the stopper when pressed, Pipe connection device.

According to a preferred aspect of the present invention, an assembly hole is formed in the coupling portion of the first pipe to which the guide holder is coupled, and the guide holder has a fixing plate that is in contact with the inner side surface of the assembly hole, And a main cover is formed at an upper end of the guide holder and formed with a protruding and retreating portion to be fitted into the fixing portion and is surrounded and connected to the wall.

According to a preferred aspect of the present invention, a pipe holder in the form of a circular tube is coupled to the inner periphery of the coupling portion of the first pipe, the pipe holder includes a guide holder insertion hole into which the guide holder is inserted, And a slit on which the first pipe is inserted.

According to a preferred aspect of the present invention, the guide holder is formed with an auxiliary wall to which the guide spring is coupled, one side is coupled to the guide spring, the slide member is inserted between the walls, A stopper portion for preventing advancement of the member is formed so that the slide member moves between the auxiliary wall and the stopper portion.

According to a preferred aspect of the present invention, the push button includes a pressing portion that covers an upper end of the main cover, and a locking wall that moves up and down between the main cover and the wall of the guide holder.

According to a preferred aspect of the present invention, a slide fit hole is formed in the wall between the stopper and the auxiliary wall, a lower end of the slide member is formed with a step portion to be inserted into the slide fit hole, Wherein the push button is formed with a releasing member formed at an inclination corresponding to the inclined portion of the slide member so as to press the slide member.

According to a preferred aspect of the present invention, a vertical insertion portion is recessed inside the wall of the guide holder, and a vertical member insertable into the vertical insertion portion is formed in the push button.

The present invention can freely extend or reduce a pipe by a simple operation of pushing a push button, and the number of components constituting the pipe joint device is remarkably reduced compared with the conventional one, thereby saving the manufacturing cost of the pipe joint device, .

1 is a perspective view of a pipe connection device for a vacuum cleaner according to an embodiment of the present invention;
2 is a side cross-sectional view of a pipe connection device for a vacuum cleaner according to an embodiment of the present invention;
3 is a partial side sectional view of a second pipe in a pipe connection device for a cleaner according to an embodiment of the present invention;
4 is a partially exploded perspective view of a pipe connecting device for a vacuum cleaner according to an embodiment of the present invention;
5 is a partial side sectional view of a pipe connection device for a vacuum cleaner according to an embodiment of the present invention;
6 is a partial side sectional view of a pipe connection device for a vacuum cleaner according to an embodiment of the present invention;
7 is a cross-sectional view of a pipe connection device for a vacuum cleaner according to an embodiment of the present invention;
8 is a partial cross-sectional view of a pipe connection device for a vacuum cleaner according to an embodiment of the present invention;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

In addition, the sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined specifically in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user, operator And the definitions of these terms should be based on the contents throughout this specification.

A pipe connecting device 1 for a vacuum cleaner according to an embodiment of the present invention includes a first pipe 10 having a coupling part 11 formed at one side thereof and a second pipe 10 which is insertable into the inner periphery of the first pipe 10, A second pipe 20 in which a plurality of fixing grooves 21 are arranged and a stopper 35 formed in the first pipe 10 and protruding downward so as to be inserted into the fixing groove 21, A guide holder 30 provided with a push spring 37 formed in a vertical direction and a guide spring 39 formed in a horizontal direction and an upper end surface of the stopper 35 by the guide spring 39 The slide member 40 is elastically biased upward by the push spring 37 and presses the slide member 40 in the upward direction of the stopper 35 when the stopper 35 is biased elastically, (70) having a releasing member (71) for retracting the push button The.

As shown in FIG. 1, the first pipe 10 inserts the second pipe 20 therein, and a coupling portion 11 is formed at one side of the first pipe 10, An assembling hole 11a is formed at a portion where the guide holder 30, the main cover 50 and the push button 37 are coupled with each other and is formed larger than the average diameter of the first pipe 10.

A second pipe 20 is inserted into the inner periphery of the first pipe 10 so that when the second pipe 20 is inserted shallowly into the first pipe 10, The connection length between the first pipe 10 and the second pipe 20 is shortened when the connection length of the pipe 20 becomes long and the second pipe 20 is inserted deeply into the first pipe 10 A plurality of fixing grooves 21 are longitudinally arranged to adjust the depth of insertion.

At this time, it is preferable that the fixing groove 21 is formed with an inclined edge so that the stopper 35 to be described later can be inserted or released naturally.

A guide rail 23 passing through the plurality of fixing grooves 21 is longitudinally formed at the center of the plurality of fixing grooves 21. The guide rail 23 is formed in a substantially rectangular shape, The first pipe 10 can move linearly without rotating when the first pipe 10 moves along the second pipe 20 by moving the guide holder 30 to be described later .

4, a guide holder 30 is coupled to an assembly hole 11a formed in a coupling portion 11 of the first pipe 10, The guide holder 30 according to the embodiment of the present invention is configured such that a stopper 35 insertable into the fixing groove 21 is formed to adjust the movement of the first pipe 10, 8, a plate-like fixing plate 31 coupled to the inner side surface of the coupling portion 11, a fixing plate 31 protruding from the upper surface of the fixing plate 31 and disposed inside the fitting hole 21 and arranged in a rectangular shape A fixed portion 33a formed at both side ends of the wall 33 and formed with grooves and a plurality of springs 33 disposed at both inner sides of the wall 33 and protruded to be inserted into the push spring 37, The fitting portion 37a and the spring fitting portion 37a, which are located at one side of the spring fitting portion 37a, The across the body 33 the auxiliary spring guide wall fitting portion (37a) (33c) is formed and which will be described later, the guide spring 39 is formed so that the horizontally projecting coupling the auxiliary wall (33c) is formed.

The wall 33 of the guide holder 30 is provided with slide insertion holes 33e on both sides in the longitudinal direction on which the slide member 40 to be described later is inserted and moves, 33b are protruded to adjust the movement radius of the slide member 40 to be described later.

5 to 6, the stopper 35 is formed on the lower end surface of the fixing plate 31 in the guide holder 30. The stopper 35 has a head 35b, And is formed as an elastic neck portion 35a which is protruded to be inserted into the fixing groove 21 and the head portion is vertically moved to be inserted or removed in the fixing groove 21. [ At this time, the head 35b of the stopper 35 preferably has an inclination angle corresponding to the inclination angle formed in the fixing groove 21 so as to be smoothly inserted or removed from the fixing groove 21.

A slide member 40 is formed at an upper end of the head portion 35b of the stopper 35. The slide member 40 is normally biased elastically by the guide spring 39 as shown in FIG. The stopper 35 is positioned at the upper end of the stopper 35 so that the stopper is inserted into the fixing groove 21. When the guide spring 39 is pressed, 40 are retracted and disengaged from the stopper 35, so that the stopper 35 is moved upward to be disengaged from the fixing groove 21. Thus, the second pipe 20 can freely move from the first pipe 10.

The slide member 40 may be formed in various forms coupled to the guide spring 39 and movable within the wall of the guide holder 30, but according to one embodiment of the present invention, The slide member 40 is formed such that one side thereof is inserted into and engaged with the guide spring 39 so that the slide member 40 can be moved forward or backward without detaching along the wall 33, And the upper end of the guide spring 39 is inserted into the upper end of the stepped portion 43 so that the slide member 40 can be retracted when the push button 70 is pressed by a push button 70 The inclined portion 41 inclined in the opposite direction is formed.

The slide member 40 moves between the stopper 33b of the guide holder 30 and the auxiliary wall body 33c by moving the step portion 43 into the slide fitting hole 33e and moving forward or backward, When the slide member 40 is pressed, the slide member 40 is retracted toward the auxiliary wall body 33c and normally biased by the guide spring 39 to press the stopper 35, And the first pipe 10 and the second pipe 20 are fixed by being inserted into the fixing groove 21.

A pipe holder 60 may be coupled to the periphery of the first pipe 10. The pipe holder 60 is formed to prevent the guide holder 30 from rotating. A guide holder insertion hole 61 is formed in the longitudinal direction and a slit for fastening the guide holder 30 and the pipe holder 60 to the first pipe 10 is formed at one side of the guide holder insertion hole 61, And a fitting member 63 formed with a fitting portion 63a. 4, a guide holder 30 is coupled to an assembly hole 11a formed in a coupling portion 11 of the first pipe 10, (60). At this time, the wall 33 and the fitting member 63 of the guide holder 30 protrude to the outside of the first pipe 10 through the assembly hole 11a.

When the fixing plate 31 of the guide holder 30 is coupled with the pipe holder 60, the shape of the circular tube is completed, so that the guide holder 30 can not rotate any more, . That is, when the fixing plate 31 of the guide holder 30 is coupled with the pipe holder 60, the first pipe 10 is in the shape of a circular tube and the first pipe 10 surrounds the shape of the circular pipe. The wall 33 of the guide holder 30 protrudes to the outside of the first pipe 10 through the assembly hole 11a formed in the coupling portion 11 of the first pipe 10 The guide holder 30 is coupled to the protruded portion of the first pipe 10 through the assembling hole 11a of the first pipe 10.

The main cover 50 is coupled to the guide holder 30 so as to surround the wall 33 of the guide holder 30. The main cover 50 is coupled to the main body 50 of the guide holder 30, 5 to 6, the cover 50 has a projecting and retreating portion 51 protruding to engage with the fixing portion 33a formed on the wall 33 of the guide holder 30, 7, a space is formed in which a push button 70 is inserted between the wall 33 of the guide holder 30 and the main cover 50 to move up and down, Preventing portion 53 protruding inwardly from the upper end to prevent the push button 70 from being detached from the main cover 50. [

A push button 70 is placed on the upper side of the main cover 50. The push button 70 presses the push spring 37 and the guide spring 39 formed on the guide holder 30, Shaped pressing portion 73. A locking wall 75 is vertically protruded from the edge of the pressing portion 73 to vertically move between the wall of the main cover and the guide holder.

7, the latching wall 75 according to the embodiment of the present invention may be formed at the lower end of the latching wall 75 in the outer side And six hooking walls 75 are formed by three hooks on both sides. This is to facilitate operation even if one of the locking walls 75 is broken.

An insertion member 73b inserted into the center of the spring fitting portion 37a of the guide holder 30 is vertically formed on the lower end surface of the pushing portion 73 of the push button 70, A vertical member 73a insertable into the vertical insertion portion 33d formed in the wall 33 is formed. The insertion member 73b and the vertical member 73a allow the push button 70 to be inserted in the vertical direction without shaking. The insertion member 73b is formed at the center of the push button 70, (73a) are preferably formed on both sides.

A releasing member 71 for pressing the slide member 40 is formed on the lower end surface of the pushing portion 73 of the push button 70. The releasing member 71 is provided on the upper end surface of the slide member 40 When the releasing member 71 is lowered by forming the angle corresponding to the inclination of the upper surface of the slide member 40 by pushing the inclined portion 41 to retract the slide member 40, ) Pushes the slide member (40). The slide member 40 is released from the stopper 35 and the stopper 35 is moved upward so that the first pipe 10 is separated from the fixing groove 21, As shown in Fig.

As described above, in the pipe joint device 1 for a vacuum cleaner according to the present invention, the stopper 35, which is movable upward, is fitted in the fixing groove 21, and the slide member 40 The first pipe 10 and the second pipe 20 are fixed and the slide member 40 pressing the stopper 35 is pushed by the push button 70, The stopper 35 is separated from the fixing groove 21 as the stopper 35 becomes upwardly movable so that the first pipe 10 and the second pipe 20 are separated from the stopper 35, (20) moves.

Accordingly, the vacuum pipe joint device 10 according to the embodiment of the present invention can separate the stopper 35 from the fixing groove 21 by only a simple pressing operation, and the first pipe 10 and the second pipe 20 The push button 70 does not move in response to the formation of the vertical member 73a and the insertion member 73b and presses the vertical insertion portion 33d accurately And a small number of parts such as the guide holder 30, the main cover 50, and the push button 70 are used, which reduces the number of assembling operations and thus the manufacturing cost is low and maintenance is easy.

1: pipe fitting for cleaner 10: first pipe
11: engaging portion 11a:
20: second pipe 21: fixing groove
23: guide rail 30: guide holder
31: fixing plate 33: wall
33a: Fixing portion 33b:
33c: auxiliary wall 33d: vertical insertion portion
33e: Slide-in ball 35: Stopper
35a: elastic neck portion 35b: head portion
37: push spring 39: guide spring
40: slide member 41:
43: Step 50: Main cover
51: protruding portion 53:
60: Pipe holder 61: Guide holder insertion hole
63: fitting member 63a: slit
70: push button 71: release member
73: pressing portion 73a: vertical member
73b: insertion member 75:

Claims (7)

A first pipe having an engaging portion; A second pipe inserted in the inner periphery of the first pipe and having a plurality of fixing grooves arranged in the longitudinal direction; A guide holder having a push spring formed in a vertical direction and a guide spring formed in a horizontal direction, the guide holder having a stopper formed in a coupling portion of the first pipe and protruding downward so as to be inserted into the fixing groove; A slide member elastically biased toward the top surface of the stopper by the guide spring to press down the stopper; And a push button which is elastically biased upward normally by the push spring and which releases the slide member from the top end of the stopper when pressurized,
Wherein the first pipe is formed with an assembly hole to which the guide holder is coupled, the guide holder includes a fixing plate which is in contact with an inner side surface of the assembly hole, a wall formed vertically protruding from the fixing plate, A main cover is formed at the upper end of the guide holder and formed with a protruding / retreating portion to be engaged with the fixing portion, the main cover being surrounded and connected to the wall,
A pipe holder in the form of a circular tube is coupled to the periphery of the coupling portion of the first pipe, a guide holder insertion hole into which the guide holder is inserted is formed, and the first pipe is inserted into the guide holder insertion hole Wherein a slit is formed on the bottom surface,
The first pipe is enclosed in a circular pipe shape in which the fixing plate of the guide holder and the pipe holder are coupled to each other. The main cover is coupled to the protruding portion of the first pipe through the assembly hole of the first pipe Wherein the vacuum pipe connection device is a vacuum pipe connection device for a vacuum cleaner. delete delete The method according to claim 1,
An auxiliary wall to which the guide spring is coupled is formed between the walls of the guide holder,
Wherein the wall is provided with a stopper protruding in the center at a position for advancing the slide member,
Wherein the slide member is coupled to the guide spring between the auxiliary wall and the stopper. 5. The method of claim 4,
A slide fit hole is formed in the wall between the stopper and the auxiliary wall,
A stepped portion to be inserted into the slide fitting hole is formed at a lower end of the slide member,
An inclined portion is formed at an upper end of the slide member,
Wherein the push button is formed with a releasing member formed at an inclination corresponding to an inclined portion of the slide member to press the slide member. The method according to claim 1,
Wherein the push button includes a pressing portion that covers an upper end of the main cover,
And a hooking wall for vertically moving between the main cover and the wall of the guide holder is formed. The method according to claim 1,
A vertical insertion portion is recessed and formed inside the wall of the guide holder,
Wherein the push button is formed with a vertical member insertable into the vertical insertion portion.
KR1020150100544A 2015-07-15 2015-07-15 Telescopic pipe of vacuum cleaner KR101820832B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150100544A KR101820832B1 (en) 2015-07-15 2015-07-15 Telescopic pipe of vacuum cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150100544A KR101820832B1 (en) 2015-07-15 2015-07-15 Telescopic pipe of vacuum cleaner

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KR20170009095A KR20170009095A (en) 2017-01-25
KR101820832B1 true KR101820832B1 (en) 2018-01-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210074843A (en) * 2019-12-12 2021-06-22 주식회사 와이에스테크 suction pipe length adjusting device of cordless vacuum cleaner

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102409111B1 (en) * 2020-04-17 2022-06-15 윤종민 faucet with Cleaning tool
KR102646226B1 (en) * 2022-01-17 2024-03-11 김초희 Roll cleaner that removes the adhesive tape

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100769267B1 (en) 1999-10-11 2007-10-23 오멕 에스.피.에이. Telescopic extension for an electric household appliance
CN204410732U (en) 2015-01-15 2015-06-24 天津希日博司塔金属有限公司 Expansion link

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100769267B1 (en) 1999-10-11 2007-10-23 오멕 에스.피.에이. Telescopic extension for an electric household appliance
CN204410732U (en) 2015-01-15 2015-06-24 天津希日博司塔金属有限公司 Expansion link

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210074843A (en) * 2019-12-12 2021-06-22 주식회사 와이에스테크 suction pipe length adjusting device of cordless vacuum cleaner
KR102335476B1 (en) * 2019-12-12 2021-12-07 주식회사 와이에스테크 suction pipe length adjusting device of cordless vacuum cleaner

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