KR20050037648A - Extension pipe having joint for vacuum cleaner - Google Patents

Extension pipe having joint for vacuum cleaner Download PDF

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Publication number
KR20050037648A
KR20050037648A KR1020030072874A KR20030072874A KR20050037648A KR 20050037648 A KR20050037648 A KR 20050037648A KR 1020030072874 A KR1020030072874 A KR 1020030072874A KR 20030072874 A KR20030072874 A KR 20030072874A KR 20050037648 A KR20050037648 A KR 20050037648A
Authority
KR
South Korea
Prior art keywords
locking button
extension tube
extension
vacuum cleaner
protrusion
Prior art date
Application number
KR1020030072874A
Other languages
Korean (ko)
Other versions
KR100572891B1 (en
Inventor
전경희
Original Assignee
삼성광주전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성광주전자 주식회사 filed Critical 삼성광주전자 주식회사
Priority to KR20030072874A priority Critical patent/KR100572891B1/en
Publication of KR20050037648A publication Critical patent/KR20050037648A/en
Application granted granted Critical
Publication of KR100572891B1 publication Critical patent/KR100572891B1/en

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/24Hoses or pipes; Hose or pipe couplings
    • A47L9/242Hose or pipe couplings

Abstract

Disclosed is a refractory extension tube of a vacuum cleaner capable of refracting extension tube as required by a user. The refractive extension tube of the vacuum cleaner according to the present invention, which forms a closed flow path between the vacuum cleaner body and the suction brush, the body of which is refracted by a button operation, the extension tube comprising: a first extension tube; A second extension pipe to which the first extension pipe is rotatably coupled; A locking button elastically installed in the first extension pipe to restrict rotation of each of the first and second extension pipes; And a sealing cover which prevents the locking button from being separated and seals the first and second extension pipes.

Description

Extension pipe having joint for Vacuum cleaner

The present invention relates to a vacuum cleaner, and more particularly, to a refractory extension tube of a vacuum cleaner capable of refractingly connecting a connection part of an extension tube so as to more conveniently clean a space under a furniture such as a bed or a sofa.

In general, the vacuum cleaner sucks contaminants on the surface to be cleaned together with the air by the vacuum suction input generated by the vacuum suction motor provided in the vacuum cleaner body. The vacuum cleaner is connected between the vacuum cleaner body and the suction brush for cleaning in a sealed state. A flow path for this is formed.

Such a flow path may be provided in various ways according to the type of vacuum cleaner. In general, in the case of a canister type vacuum cleaner, a flexible hose connecting the main body and the operation handle and an extension tube connecting the operation handle and the suction brush are provided. Such an extension tube is generally provided with a telescopic type that can adjust its length as necessary, but can be separated and assembled with each of a plurality of extension tubes.

However, in order to clean the lower part of the furniture such as a bed or a sofa, in the case of the suction brush connected to the conventional extension tube as described above, the angle between the extension tube and the suction brush is often fixed, so the posture is lowered. Cleaning should be done by turning the extension pipe with the suction brush in close contact with the floor. In addition, even if the angle between the extension tube and the suction brush can be varied, in order to put the suction brush in the lower part of the furniture, the user has to bend the waist, such as the inconvenience is required to improve.

The present invention has been made in view of the above, it is a user of the vacuum cleaner with improved structure to perform a comfortable cleaning operation by refracting the extension tube with a simple button operation without having to bend the waist or lower the posture The purpose is to provide a refractive extension tube.

The refractive extension tube of the vacuum cleaner according to the present invention for solving the above problems forms a hermetic flow path between the vacuum cleaner body and the suction brush, the extension tube of which the body is refracted by a button operation, the first extension tube ; A second extension pipe to which the first extension pipe is rotatably coupled; A locking button elastically installed in the first extension pipe to restrict rotation of each of the first and second extension pipes; And a sealing cover that prevents the locking button from being separated and seals the first and second extension pipes.

According to a preferred embodiment of the present invention, the locking button is preferably installed on the seating protrusion protruding from one side of the rotation axis of the joint portion in which the first extension pipe and the second extension pipe are rotatably connected.

The locking button may include at least one release preventing rib protruding along the outer circumferential surface thereof; It may include; and a control projection for regulating the rotation of the first and second extension pipe.

The seating protrusion may include at least one guide protrusion protruding from an outer circumferential surface thereof, and a sliding groove may be provided at a portion corresponding to the guide protrusion of the locking button, and a push and release of the locking button may be provided. It is preferable to prevent the rotation of the locking button while the sliding groove is guided to the guide protrusion during release.

In addition, an elastic member is interposed between the locking button and the seating protrusion, and when the locking button is pushed, an elastic restoring force may be applied in a direction in which the locking button is released to the locking button.

In addition, the second extension pipe, the slot plate which includes a coupling slot is opened on one side and the seating projection is slidably coupled; And a locking step formed at a position corresponding to the regulating protrusion to selectively lock the regulating protrusion according to a change in the axial position of the regulating protrusion.

The locking step may be spaced apart by a distance greater than or equal to the thickness of the slot plate and the restricting protrusion.

The sealing cover may include a first cover provided with a button hole having a size corresponding to an outer circumferential surface of the locking button, and a second cover coupled to the first cover to seal a connection of each of the first and second extension pipes. It is preferable to include.

And, as a preferred embodiment of the present invention, the best embodiment forms a sealed flow path between the vacuum cleaner body and the suction brush, the cylindrical connection portion of which one side is opened in the extension pipe that the body is refracted by the button operation At the center of the first extension tube protruding the seating projection is installed locking button is made to push / release operation by the elastic member; A second extension tube provided with a slot plate in which the seating protrusion is slidably coupled, and a locking step for selectively locking the locking button; And a sealing cover sealing a connection part of the first and second extension pipes and having a button hole for exposing the locking button to the outside. Each component is as described above.

Hereinafter, exemplary embodiments of the present invention will be described with reference to FIGS. 1 and 2.

1 is a perspective view showing the refractive extension tube of the vacuum cleaner according to the present invention.

As shown, the refraction extension tube 100 of the vacuum cleaner according to the present invention, the first and second extension tube 110, 120 is coupled to be deflectable in accordance with the push and release operation of the locking button 130, An airtight cover 140 is provided to prevent the suction loss of the connecting portion and to prevent the locking button 130 from being separated from the axial direction.

As shown in FIG. 2, the first extension pipe 110 has a cylindrical joint part J1 having an opening (not shown) through which one side facing the second extension pipe 120 passes. The mounting protrusion 111 protruding so as to overlap with the rotating shaft is formed near the center of J1. The locking projections 130 are installed on the seating protrusions 111 so as to be pushed and released in the axial direction. Preferably, the seating protrusions 111 are positioned inside the locking button 130 under the interposition of the elastic member S. It is good to be installed to be inserted into.

At least one guide protrusion 111a and a sliding groove 130a are formed in each of the seating protrusion 111 and the locking button 130, as illustrated in FIG. 2. Therefore, when the locking button 130 is pushed and released by the guide protrusion 111a coupled to the sliding groove 130a provided on the outer circumferential surface thereof, the path is guided so that the first extension pipe 110 rotates. The buttons rotate together with the same rotation angle in conjunction with.

On the outer circumferential surface of the locking button 130, the release preventing rib 131 for preventing the axial separation of the locking button 130, and to regulate the rotation angle of the first and second extension pipes 110, 120 Regulating projections 132 for protruding.

The release preventing rib 131, in order to prevent the locking button 130 exposed to the outside of the sealing cover 140 to be separated in the axial direction, so as to be greater than the diameter of the locking button 130, Figure 2 As shown, at least one protrusion is preferably formed in the circumferential direction. Preferably, as shown, each is preferably provided to be symmetrical, so that each departure preventing rib 131 is uniformly supported by the sealing cover 140 so as not to tilt.

The regulating protrusion 132 is formed at least one protruding in the circumferential direction at a position which does not overlap the departure preventing rib 131. Preferably, the height is lower than the separation prevention rib 131, it is preferable to have a tapered inclined surface on one side so that the user can bend the first and second extension pipe 110, 120 with a small force. It is good to be able to.

The second extension pipe 120 has a joint accommodating part J2 having a shape corresponding to the cylindrical joint part J1 so as to be rotatably coupled to the cylindrical joint part J1 provided in the first extension pipe 110. It includes.

The joint accommodating part J2 may be in contact with the slot plate 121 having a coupling slot 121a in which the seating protrusion 111 is slidably coupled to the center of the seating protrusion, and the regulating protrusion 132. It includes a locking jaw 122 for restraining the rotation of the first and second extension pipe (110, 120).

The slot plate 121 is provided in a substantially disk shape, the diameter is formed so as to correspond to the diameter of the cylindrical joint portion J1, the inner peripheral surface of the joint receiving portion J2 of the cylindrical joint (J1) It is good to be in close contact with the outer circumference. In addition, the coupling slot 121a is formed to have a width corresponding to the diameter of the mounting protrusion 111 so that the center of the mounting protrusion 111 may overlap with the center of the slot plate 121. do. In addition, the closed end is preferably formed to have an arc, as shown in Figure 2 so that the first extension pipe 110 can be rotated around the seating projection 111.

The catching jaw 122 restricts the rotation of the first and second extension pipes 110 and 120 while selectively contacting the regulating protrusion 132. Preferably, as shown in Figure 2, it is formed so as to be spaced apart from the slot plate 121 by a predetermined distance, so that the separation distance to have a gap or more than the thickness of the control projection (132). Therefore, when the user pushes the locking button 130, the regulating projection 132 is changed in the axial position, the contact with the locking jaw 122 is lost, the locking jaw 122 And, it becomes a state that can pass through the spaced space between the slot plate 121.

The airtight cover 140 prevents suction loss between the connecting portions J1 and J2 of the first and second extension pipes 110 and 120, and prevents the lock button 130 from being axially separated. For this purpose, the first and second covers 141 and 142 may be provided.

In the first cover 141, a button hole 141a for exposing the locking button 130 to the outside is formed to have a size corresponding to an outer circumferential surface of the locking button 130. Preferably, the outer circumferential surface of the locking button 130 or more, provided below the outer circumferential surface of the locking button 130 including the release preventing rib 131, the departure preventing rib 131 is the first cover 141 Is supported by the inner circumferential surface of the), it may be provided to prevent the axial deviation of the locking button 130.

3 and 4, the operation of the refractive extension tube of the vacuum cleaner according to the present invention will be described.

3 is a view showing a state in which the coupling angle of the first and second extension pipes 110 and 120 is 0 degrees, in order to more clearly explain the operating state, a perspective view showing a state in which the sealing cover 140 is removed. to be. When cleaning a general surface to be cleaned, for example a floor, etc., the cleaning operation is performed in a state where the coupling angle is fixed to 0 degrees in this way, while the regulating projection 132 contacts one end 122a of the locking jaw 122. And preventing the first and second extension pipes 110 and 120 from being refracted in the direction A of FIG. 3, and the release preventing rib 131 contacts the other end 122b of the locking jaw 122. The first and second extension pipes 110 and 120 are supported to prevent the first and second extension pipes 110 and 120 from being refracted in the direction B of FIG. 3.

In addition, when the user cleans the space of the bed or the lower part of the sofa using a vacuum cleaner, when the locking button 130 is pressed, the restricting protrusion 132 is spaced apart from the locking jaw 122. The space between the locking step 122 and the slot plate 121 may be passed. Therefore, when the user bends the first extension pipe 110 or the second extension pipe 120 while the locking button 130 is pressed, the regulating protrusion 132 may include the locking jaw 122 and the slot. While rotating in contact with the inner circumferential surface of the space portion between the plates 121, it is possible to rotate by the desired angle.

According to a preferred embodiment of the present invention, in order for the user to clean the lower part of the furniture such as a bed or sofa in the most comfortable posture, the angle of refraction of the first and second extension pipes 110 and 120 is maintained at 45 degrees. It is desirable to. Therefore, the regulating protrusion 132 is supported from the locking jaw 122 when the angle of the first and second extension pipes 110 and 120 is 0 degrees from the center of the locking button 130. When the angle of the first and second extension pipes 110 and 120 becomes 45 degrees, the virtual line connecting the one end 122a is connected to the point that is supported and supported on the other end 122b of the locking jaw 122 It is preferred that the interior of the virtual line to be 45 degrees.

As described above, when the regulating projection 132 reaches the fixed position, the tapered inclined surface formed at one end is slid to the locking jaw 122, the release direction in which the elastic restoring force by the elastic member (S) acts Push the locking button 130 to. Accordingly, the locking button 130 returns to the step before the first user presses the locking button 130 in order to deflect the refractive extension tube 100.

The cleaning of the lower part of the furniture is finished, so as to return the refraction angles of the first and second extension pipes 110 and 120 of the refractive extension pipe 100 according to the present invention to the general floor cleaning again, 0 degrees. In the reverse order of the method, that is, when the first and second extension pipes 110 and 120 are unfolded while the locking button 130 is pressed, the elastic restoring force acts by the elastic member S, and the locking The button 130 is returned to the initial position.

According to the refractive extension tube of the vacuum cleaner according to the present invention as described above, the user can bend the extension tube with a simple button operation without having to bend the waist or lower the posture, so that the lower part of the furniture such as a bed or sofa can be comfortably Can be cleaned, user convenience is increased.

While the invention has been shown and described in connection with preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

1 is a perspective view showing a refractive extension tube according to the present invention,

2 is an exploded perspective view of the refractive extension tube according to the present invention;

Figure 3 is a perspective view showing a state before the refraction of the refractive extension tube according to the present invention the cover is removed, and

Figure 4 is a perspective view showing the state after the refraction of the refraction extension tube according to the present invention the cover is removed.

<Description of Symbols for Major Parts of Drawings>

100; Refractive extension tube 110; 1st extension tube

111; Seating protrusion 111a; Guide turning

120; Second extension tube 121; Slot plate

121a; Binding slot 122; Jam

130; Locking button 130a; Sliding groove

131; Anti-leaving rib 132; Regulation

140; Airtight covers 141 and 142; First and second cover

S; Elastic members J1 and J2; Cylindrical Joints and Joint Receptacles

Claims (14)

  1. In the extension tube forming a closed flow path between the vacuum cleaner body and the suction brush, the body is refracted by a button operation,
    A first extension tube;
    A second extension pipe to which the first extension pipe is rotatably coupled;
    A locking button elastically installed in the first extension pipe to restrict rotation of each of the first and second extension pipes; And
    And a sealing cover which prevents the locking button from being separated and seals the first and second extension pipes.
  2. The method of claim 1, wherein the locking button,
    Refraction extension tube of the vacuum cleaner, characterized in that installed; protruding seating protrusion formed on one side of the rotation axis of the joint portion rotatably connected to the first extension tube and the second extension tube.
  3. The method of claim 2, wherein the locking button,
    At least one release preventing rib protruding along the outer circumferential surface thereof; And
    Refraction extension tube of the vacuum cleaner comprising a; regulating projection for regulating the rotation of the first and second extension tube.
  4. The method of claim 2, wherein the seating protrusion,
    At least one guide protrusion protruding from an outer circumferential surface thereof, and a sliding groove provided at a portion corresponding to the guide protrusion of the locking button, wherein the sliding groove is provided at the time of push and release of the locking button. Refraction extension tube of the vacuum cleaner, characterized in that to guide the guide projection to prevent the rotation of the locking button.
  5. The method of claim 4, wherein
    An elastic member is interposed between the locking button and the seating protrusion, and when the locking button is pushed, an elastic restoring force acts in the direction in which the locking button is released to the locking button.
  6. The method of claim 3, wherein the second extension pipe,
    A slot plate having one side opened and a coupling slot in which the seating protrusion is slidably rotatable; And
    And a latching jaw formed at a position corresponding to the regulating protrusion to selectively lock the regulating protrusion according to a change in the axial position of the regulating protrusion.
  7. The method of claim 6, wherein the locking jaw,
    Refraction extension tube of the vacuum cleaner, characterized in that spaced apart from the slot plate and the distance of the thickness of the regulation projection.
  8. The method of claim 1, wherein the sealing cover,
    And a first cover provided with a buttonhole having a size corresponding to an outer circumferential surface of the locking button, and a second cover coupled to the first cover to seal a connection of each of the first and second extension pipes. Refraction extension tube of the cleaner.
  9. In the extension tube forming a closed flow path between the vacuum cleaner body and the suction brush, the body is refracted by a button operation,
    A first extension tube protruding from the center of the cylindrical connection portion of which one side is opened, and a seating protrusion having a locking button to which a push / release operation is performed by an elastic member;
    A second extension tube provided with a slot plate in which the seating protrusion is slidably coupled, and a locking step for selectively locking the locking button; And
    And a sealing cover sealing a connection of the first and second extension pipes and having a button hole for exposing the locking button to the outside.
  10. The method of claim 9, wherein the locking button,
    At least one release preventing rib protruding along the outer circumferential surface thereof; And
    Refraction extension tube of the vacuum cleaner comprising a; regulating projection for regulating the rotation of the first and second extension tube.
  11. The method of claim 9,
    The seating protrusion has at least one guide protrusion protruding from an outer circumferential surface thereof, and a sliding groove is provided at a portion corresponding to the guide protrusion of the locking button, and the sliding groove is the guide protrusion when pushing and releasing the locking button. Guided to, the extension tube of the vacuum cleaner, characterized in that to prevent the rotation of the locking button.
  12. The method of claim 9, wherein the second extension pipe,
    A slot plate having a coupling slot to which the seating protrusion is fitted; And
    And a latching jaw formed at a position corresponding to the regulating protrusion to selectively lock the regulating protrusion according to a change in the axial position of the regulating protrusion.
  13. The method of claim 12, wherein the locking jaw,
    Refraction extension tube of the vacuum cleaner, characterized in that spaced apart from the slot plate and the distance of the thickness of the regulation projection.
  14. The method of claim 9, wherein the sealing cover,
    And a second cover coupled to the first cover to seal the connecting portion of each of the first and second extension pipes.
KR20030072874A 2003-10-20 2003-10-20 Extension pipe having joint for Vacuum cleaner KR100572891B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20030072874A KR100572891B1 (en) 2003-10-20 2003-10-20 Extension pipe having joint for Vacuum cleaner

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20030072874A KR100572891B1 (en) 2003-10-20 2003-10-20 Extension pipe having joint for Vacuum cleaner
US10/832,370 US20050081326A1 (en) 2003-10-20 2004-04-27 Bendable extension pipe having joint for vacuum cleaner
CNB2004100431189A CN1315424C (en) 2003-10-20 2004-05-11 Bendable extension pipe having joint for vacuum cleaner
JP2004153622A JP2005125065A (en) 2003-10-20 2004-05-24 Bendable extension tube of vacuum cleaner
EP04253412A EP1525840A3 (en) 2003-10-20 2004-06-09 Bendable extension pipe having joint for vacuum cleaner
RU2004122589/12A RU2275163C2 (en) 2003-10-20 2004-07-22 Bendable extension tube equipped with pivot joint and designed for vacuum cleaner

Publications (2)

Publication Number Publication Date
KR20050037648A true KR20050037648A (en) 2005-04-25
KR100572891B1 KR100572891B1 (en) 2006-04-24

Family

ID=34386777

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20030072874A KR100572891B1 (en) 2003-10-20 2003-10-20 Extension pipe having joint for Vacuum cleaner

Country Status (6)

Country Link
US (1) US20050081326A1 (en)
EP (1) EP1525840A3 (en)
JP (1) JP2005125065A (en)
KR (1) KR100572891B1 (en)
CN (1) CN1315424C (en)
RU (1) RU2275163C2 (en)

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CN102727139B (en) * 2011-04-14 2014-12-17 科沃斯机器人有限公司 Telescopic tube for dust collector
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JP6129811B2 (en) * 2014-12-01 2017-05-17 日立アプライアンス株式会社 Electric vacuum cleaner
US10729295B2 (en) 2016-08-29 2020-08-04 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10433689B2 (en) 2016-08-29 2019-10-08 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9962050B2 (en) 2016-08-29 2018-05-08 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10136779B2 (en) 2016-08-29 2018-11-27 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10136780B2 (en) 2016-08-29 2018-11-27 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10405711B2 (en) 2016-08-29 2019-09-10 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10441124B2 (en) 2016-08-29 2019-10-15 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10441125B2 (en) 2016-08-29 2019-10-15 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10413141B2 (en) 2016-08-29 2019-09-17 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10292550B2 (en) 2016-08-29 2019-05-21 Omachron Intellectual Property Inc. Surface cleaning apparatus
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Also Published As

Publication number Publication date
EP1525840A3 (en) 2006-05-31
EP1525840A2 (en) 2005-04-27
RU2275163C2 (en) 2006-04-27
CN1315424C (en) 2007-05-16
US20050081326A1 (en) 2005-04-21
JP2005125065A (en) 2005-05-19
CN1608569A (en) 2005-04-27
KR100572891B1 (en) 2006-04-24
RU2004122589A (en) 2006-01-20

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