CN108799657B - Pipe joint and washing machine comprising same - Google Patents

Pipe joint and washing machine comprising same Download PDF

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Publication number
CN108799657B
CN108799657B CN201710292695.9A CN201710292695A CN108799657B CN 108799657 B CN108799657 B CN 108799657B CN 201710292695 A CN201710292695 A CN 201710292695A CN 108799657 B CN108799657 B CN 108799657B
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CN
China
Prior art keywords
pipe joint
main body
body portion
positioning rib
suction pump
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201710292695.9A
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Chinese (zh)
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CN108799657A (en
Inventor
王得军
李峰
赵会杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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 Qingdao Haier Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to CN201710292695.9A priority Critical patent/CN108799657B/en
Priority to PCT/CN2018/081813 priority patent/WO2018196571A1/en
Publication of CN108799657A publication Critical patent/CN108799657A/en
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Publication of CN108799657B publication Critical patent/CN108799657B/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/035Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed around the spigot end before connection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

The invention relates to the technical field of washing machines, in particular to a pipe joint and a washing machine comprising the same, and aims to solve the problems of air leakage of a water suction pump and poor user experience caused by poor sealing effect of the existing pipe joint. To this end, the pipe joint of the present invention includes a main body portion, and a seal ring and a positioning rib provided on the main body portion, the positioning rib having an outer diameter equal to or smaller than an outer diameter of the seal ring in an uncompressed state and larger than the outer diameter of the main body portion. The washing machine of the invention comprises the pipe joint. Through set up the location muscle on the main part at the coupling, form two point supports or double-line support with the sealing washer together, realized the effective location to the coupling, prevent that the relative suction pump of coupling from rocking, the assembly is inseparable, guarantees that the suction pump can normal use, consequently has improved user's use and has experienced.

Description

Pipe joint and washing machine comprising same
Technical Field
The invention relates to the technical field of washing machines, and particularly provides a pipe joint and a washing machine comprising the same.
Background
Among the prior art, full-automatic washing machine's water absorption device comprises suction pump, suction pipe, coupling, and coupling and suction pump are sealed through the single sealing washer that sets up on the coupling, and in case the sealing washer became invalid, the phenomenon that will produce gas leakage leads to suction pump can not effectively absorb water, influences suction pump's normal use, and the user uses and experiences poorly.
Based on the current situation, how to effectively seal the pipe joint and the water suction pump, avoid the phenomenon of air leakage, and improve the satisfaction degree of users becomes a technical problem to be solved urgently. In view of this, the invention is particularly proposed.
Disclosure of Invention
In order to solve the problems in the prior art, namely to solve the problems that the sealing effect of the existing pipe joint is poor, the air leakage of the water suction pump is caused, and the user experience degree is poor, the invention provides the pipe joint and the washing machine comprising the pipe joint.
Specifically, the pipe joint of the present invention includes a main body portion, and a seal ring and a positioning rib provided on the main body portion, the positioning rib having an outer diameter equal to or smaller than an outer diameter of the seal ring in an uncompressed state and larger than the outer diameter of the main body portion.
In the preferable technical scheme of the pipe joint, the outer wall of the main body part is provided with a groove matched with the sealing ring so as to fix the sealing ring.
In a preferred embodiment of the above pipe joint, the positioning rib is a circumferential flange surrounding the main body portion.
In a preferred embodiment of the above pipe joint, the positioning rib and the main body portion are integrally formed.
In the preferred technical scheme of the pipe joint, the positioning ribs are connected with the grooves for fixing the sealing rings.
In a preferred embodiment of the above pipe joint, when the number of the sealing rings is at least two, the at least two sealing rings are continuously arranged or arranged at intervals along the axial direction of the connector.
In the above-mentioned pipe joint, when at least two seal rings are arranged at intervals along the axial direction of the main body part, a positioning rib is arranged between every two adjacent seal rings.
In the above-mentioned pipe joint's preferred technical scheme, the both sides of the location muscle between every two adjacent sealing washer link to each other with the recess that is used for fixed two sealing washers respectively.
In the above-described preferred embodiment of the pipe joint, the positioning rib between each two adjacent seal rings is formed to be curved or straight in the axial direction of the main body portion.
In another aspect, the present invention provides a washing machine comprising the above pipe joint.
Compared with the prior art, in the pipe joint and the washing machine, in the process of assembling the pipe joint and the water suction pump, the positioning ribs arranged on the pipe joint main body are matched with the sealing ring to form double-point support or double-line support, so that the effective positioning of the pipe joint is realized, the pipe joint is prevented from shaking relative to the water suction pump, the assembly is tight, and the normal use of the water suction pump is ensured. In addition, in the preferred technical scheme of the invention, on the premise of matching with the positioning ribs, the sealing structure is optimized from single-line contact to multi-line contact by at least two sealing rings, so that the matching is tighter, the multi-sealing effect is achieved, the reliability is higher, the problems of air leakage and poor sealing performance of the water suction pump are effectively solved, and the phenomenon of air leakage caused by failure of the sealing rings is avoided, so that the use experience of a user is improved.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a pipe joint of the present invention;
FIG. 2 is a schematic block diagram of an alternative to the first embodiment of FIG. 1;
fig. 3 is a schematic structural view of a second embodiment of the pipe joint of the present invention;
fig. 4 is a schematic structural view of a third embodiment of the pipe joint of the present invention;
FIG. 5 is a first enlarged fragmentary view of section I-I of FIG. 4;
fig. 6 is a second partial enlarged view of a portion I-I in fig. 4.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present application has been described in connection with a water pump for a washing machine, the technical solution of the present invention is not limited thereto, and the pipe joint may obviously be applied to other similar applications without departing from the principle and scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, which shows a first embodiment of the pipe joint of the present invention. The pipe joint includes a main body portion 1, and a seal ring 11 and a positioning rib 12 provided on the main body portion 1, the positioning rib 12 having an outer diameter smaller than an outer diameter of the seal ring 11 in an uncompressed state and larger than an outer diameter of the main body portion 1. When the coupling is engaged with another component, such as a pipe of a suction pump, the sealing ring 11 is compressed and thus generates a sealing action, and the positioning rib 12 forms a second supporting point outside the sealing ring 11, so that the coupling of the present invention is more firmly supported in the other component, such as the pipe of the suction pump. In other words, through set up location muscle 12 on the main part 1 of coupling, form two-point support or double-line support together with sealing washer 11, realized the effective location to the coupling, prevent that the relative suction pump of coupling from rocking, the assembly is inseparable, guarantees that the suction pump can normal use, has consequently improved user's use and has experienced. In this connection, it should be noted that the above-mentioned "double-point support" and "double-line support" are the same, and both mean that the seal ring 11 and the positioning rib 12 are respectively supported at one position, and there are two support points on the left side and the right side, respectively, according to the orientation of fig. 1, however, the seal ring 11 and the positioning rib 12 actually extend circumferentially, and they are in line contact with the pipe of the suction pump, so they are called "double-line support".
As shown in fig. 1, the outer wall of the main body 1 is provided with a groove 13 adapted to the sealing ring 11 to fix the sealing ring 11, so that the sealing ring 11 can be fixed on the main body 1 more conveniently and quickly. In the embodiment of fig. 1, the number of the sealing ring 11 is one, the sealing ring 11 is located above the positioning rib 12, and the sealing ring 11 is used in cooperation with the positioning rib 12. However, as will be described in more detail below, the number of seal rings 11 is not limited to one.
As shown in fig. 1, the positioning ribs 12 are circumferential flanges around the body portion 1, which enables the pipe joint to be effectively fixed or supported in an assembled state. Preferably, the outer diameter of the positioning rib 12 is smaller than the outer diameter of the seal ring 11 in the uncompressed state. The outer diameter of the positioning rib 12 is larger than the outer diameter of the main body part 1, and has an outer diameter difference H which changes with the change of the caliber of the water inlet of the water suction pump, the outer diameter of the main body part 1 and the outer diameter of the seal ring 11. The pipe joint is effectively positioned through the double-point support of the positioning rib 12 and the sealing ring 11, the pipe joint is prevented from shaking relative to the water suction pump, and the assembly is tight.
Referring to fig. 2, in an alternative scheme, in order to improve the positioning stability of the positioning rib 12, the positioning rib 12 is connected to the groove 13 for fixing the sealing ring 11, that is, the side surface of the positioning rib 12 forms a side wall (lower side wall in fig. 2) of the groove 13, so that the effective acting area of the positioning rib 12 is enlarged, the positioning stability is ensured, and the water suction pump can be normally used, thereby improving the use experience of a user.
In order to prevent the water suction pump from being damaged, the positioning rib 12 is provided with an arc chamfering structure, so that the inner wall of a water inlet of the water suction pump made of plastic materials is prevented from being damaged, and the service life of the water suction pump is prolonged.
In addition, the positioning rib 12 is preferably integrally formed with the main body portion 1, and the integrally formed structure is adopted to facilitate the design and manufacture of the mold.
Reference is now made to figure 3 which shows a second embodiment of the pipe coupling of the present invention. In this embodiment, the quantity of sealing washer 11 is two, two sealing washers 11 set up or the interval sets up along the axis direction of main part 1 in succession, two sealing washers 11 optimize seal structure for double-line sealing contact by single line sealing contact, the cooperation is inseparabler, and double sealing's effect has been played moreover, the reliability is higher, effectively solved water suction pump gas leakage, the poor problem of sealing performance, avoided leading to the phenomenon of gas leakage because of a sealing washer 11 became invalid, consequently, user's use experience has been improved.
Reference is now made to fig. 4, which shows a third embodiment of the pipe coupling of the present invention. In order to enhance the sealing effect, the main body part 1 is provided with the positioning rib 12 and the two sealing rings 11, the positioning rib 12 is positioned between the two sealing rings 11, a three-line support and a two-line seal are formed, and the effective positioning and multiple sealing of the pipe joint are realized.
Preferably, two sides of the positioning rib 12 are respectively connected with the adjacent grooves 13 for fixing the sealing ring 11, and two side surfaces of the positioning rib 12 respectively form a side wall of each of the two grooves 13, so that the effective acting area of the positioning rib 12 is enlarged, and the positioning stability and the sealing reliability are improved.
Preferably, the positioning ribs 12 between two adjacent seal rings 11 are formed in an arc shape or straight shape in the axial direction of the main body portion 1, as shown in fig. 5 and 6, respectively.
It can be understood by those skilled in the art that the number of the seal rings 11 disposed on the main body portion 1 is not limited to two, and the number may be changed according to actual situations, but no matter how many the number of the seal rings 11 is increased, all the seal rings 11 are disposed continuously or at intervals along the axial direction of the main body portion 1, and a positioning rib 12 may be disposed between every two adjacent seal rings 11, so that the positioning stability and the sealing reliability are sufficiently ensured.
As shown in fig. 1, 2 and 3, in a preferred embodiment, the main body 1 includes a first connector 14 and a second connector 15, the first connector 14 and the second connector 15 are connected by a connecting pipe 2, the first connector 14 is provided with a positioning rib 12 and a sealing ring 11, and the second connector 15 is provided with a connecting thread.
Wherein, the connecting end of the connecting pipe 2 and the first connector 14 is provided with a first retaining ring 21 for positioning, the connecting end of the connecting pipe 2 and the second connector 15 is provided with a second retaining ring 22 for positioning, and the first retaining ring 21 and the second retaining ring 22 are integrally arranged on the connecting pipe 2. The external diameter of first retaining ring 21 is greater than the external diameter of first connector 14, and the external diameter of second retaining ring 22 is greater than the external diameter of second connector 15, and when first connector 14 was connected with the water inlet of suction pump to and second connector 15 was connected with water piping, can play the effect of backstop location respectively.
In addition, the side wall of the connecting pipe 2 is provided with a clamping piece 23 which is in clamping connection with the water suction pump, and the clamping piece 23 can be used for clamping and connecting the first connecting head 14 with the water suction pump. The first retainer ring 21 is provided with an opening 211 for facilitating separation of the first connector 14 from the suction pump. When the first connection head 14 and the water suction pump need to be detached, the lower end of the clamping piece 23 is pressed, as shown in fig. 1, so that the clamping piece 23 and the water inlet of the water suction pump are in a disconnected state, the thumb of a hand of a person digs the water inlet of the water suction pump from the opening 211, and the water inlet of the water suction pump is pulled out from the first connection head 14 without an auxiliary tool, and the detachment is convenient.
In order to prevent external force from acting on the opening 211 to separate the first connection head 14 from the suction pump, the opening 211 is disposed at a position of the first retainer 21 facing the retainer 23, and the opening 211 is protected by the retainer 23, so that the external force is prevented from directly acting on the opening 211 to separate the first connection head 14 from the suction pump. As mentioned above, when the first connection head 14 and the water suction pump need to be detached, the lower end of the clamping piece 23 is pressed to make the clamping piece 23 and the water inlet of the water suction pump in a disconnected state, and the thumb of the hand of a person extends into the gap between the clamping piece 23 and the first connection head 14 and digs the water inlet of the water suction pump from the opening 211 to pull the water inlet of the water suction pump out from the first connection head 14, so that the water suction pump is prevented from being separated from the first connection head 14 due to external force. In the embodiment shown in the drawings, the connecting tube 2 is L-shaped, but it is obvious that the invention can take any suitable shape of connecting tube.
Besides the pipe joint, the invention also provides a washing machine which comprises the pipe joint, the water inlet pipe can be stably and hermetically connected with the water suction pump through the pipe joint, the phenomenon of air leakage is avoided, the normal use of the water suction pump is ensured, and the user satisfaction is improved.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (5)

1. A pipe joint characterized by comprising a main body portion, and a seal ring and a positioning rib provided on the main body portion, the positioning rib having an outer diameter equal to or smaller than an outer diameter of the seal ring in an uncompressed state and larger than the outer diameter of the main body portion;
the outer wall of the main body part is provided with a groove matched with the sealing ring to fix the sealing ring;
the positioning rib is connected with the groove for fixing the sealing ring;
the number of the sealing rings is at least two, the at least two sealing rings are arranged at intervals along the axial direction of the main body part, one positioning rib is arranged between every two adjacent sealing rings, and two sides of the positioning rib between every two adjacent sealing rings are respectively connected with grooves for fixing the two sealing rings;
wherein, be provided with circular arc chamfer structure on the location muscle.
2. A pipe-fitting according to claim 1, wherein the locating rib is a circumferential flange encircling the body portion.
3. A pipe-fitting according to claim 2, wherein the locating rib is integrally formed with the body portion.
4. The pipe joint according to claim 1, wherein the positioning rib between each two adjacent seal rings is formed to be curved or straight in the axial direction of the main body portion.
5. A washing machine characterized by comprising the pipe joint of any one of claims 1 to 4.
CN201710292695.9A 2017-04-28 2017-04-28 Pipe joint and washing machine comprising same Active CN108799657B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710292695.9A CN108799657B (en) 2017-04-28 2017-04-28 Pipe joint and washing machine comprising same
PCT/CN2018/081813 WO2018196571A1 (en) 2017-04-28 2018-04-04 Pipe joint and washing machine having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710292695.9A CN108799657B (en) 2017-04-28 2017-04-28 Pipe joint and washing machine comprising same

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Publication Number Publication Date
CN108799657A CN108799657A (en) 2018-11-13
CN108799657B true CN108799657B (en) 2022-05-06

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WO (1) WO2018196571A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6937794B2 (en) * 2019-04-23 2021-09-22 株式会社Ihi建材工業 Geothermal exchange segment and geothermal exchange device and its assembly method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301765A1 (en) * 1975-02-21 1976-09-17 Vaudaux Jean Claude Connector inserted in drain pipe of washing machine - preventing siphon effect during wash cycle
JP2005194841A (en) * 2004-01-09 2005-07-21 Inax Corp Connecting joint for suction of bathwater
CN204385490U (en) * 2014-12-09 2015-06-10 合肥美的洗衣机有限公司 Washing machine and the table assembly for washing machine
CN205261076U (en) * 2015-10-18 2016-05-25 浙江韦氏电器有限公司 Leakproof inlet pipe connecting piece
CN106149307A (en) * 2015-03-24 2016-11-23 无锡小天鹅股份有限公司 For the water inlet pipe of washing machine and the washing machine with it

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Publication number Priority date Publication date Assignee Title
CN2101159U (en) * 1991-07-06 1992-04-08 边璞 Quick pipe joint
DE10139897C1 (en) * 2001-08-14 2003-02-27 Kirchner Fraenk Rohr Ribbed pipe, for connecting units, e.g. pumps, to carry liquids, has sealing structures at the rib peaks and/or valleys, to give a self-sealing connection when pushed into a connector
JP4847349B2 (en) * 2007-01-11 2011-12-28 日立アプライアンス株式会社 Bath water supply hose for washing machine
CN201198933Y (en) * 2008-01-24 2009-02-25 张欢庆 Plastic-aluminum water pipe junction
CN203463839U (en) * 2013-09-09 2014-03-05 浙江丰科汽车零部件有限公司 Flat insertion type gas pipe joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301765A1 (en) * 1975-02-21 1976-09-17 Vaudaux Jean Claude Connector inserted in drain pipe of washing machine - preventing siphon effect during wash cycle
JP2005194841A (en) * 2004-01-09 2005-07-21 Inax Corp Connecting joint for suction of bathwater
CN204385490U (en) * 2014-12-09 2015-06-10 合肥美的洗衣机有限公司 Washing machine and the table assembly for washing machine
CN106149307A (en) * 2015-03-24 2016-11-23 无锡小天鹅股份有限公司 For the water inlet pipe of washing machine and the washing machine with it
CN205261076U (en) * 2015-10-18 2016-05-25 浙江韦氏电器有限公司 Leakproof inlet pipe connecting piece

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CN108799657A (en) 2018-11-13
WO2018196571A1 (en) 2018-11-01

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Effective date of registration: 20220401

Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd.

Applicant after: Haier Smart Home Co., Ltd.

Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd.

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