WO2019075686A1 - Cylindre de compresseur d'air, compresseur d'air, siège de véhicule, et véhicule - Google Patents

Cylindre de compresseur d'air, compresseur d'air, siège de véhicule, et véhicule Download PDF

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Publication number
WO2019075686A1
WO2019075686A1 PCT/CN2017/106823 CN2017106823W WO2019075686A1 WO 2019075686 A1 WO2019075686 A1 WO 2019075686A1 CN 2017106823 W CN2017106823 W CN 2017106823W WO 2019075686 A1 WO2019075686 A1 WO 2019075686A1
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WO
WIPO (PCT)
Prior art keywords
cylinder
air compressor
inner liner
piston
vehicle
Prior art date
Application number
PCT/CN2017/106823
Other languages
English (en)
Chinese (zh)
Inventor
洪英智
林冠峰
Original Assignee
冠翔（香港）工业有限公司
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 冠翔（香港）工业有限公司 filed Critical 冠翔（香港）工业有限公司
Priority to PCT/CN2017/106823 priority Critical patent/WO2019075686A1/fr
Priority to US16/757,457 priority patent/US20210164463A1/en
Priority to PL17929243.8T priority patent/PL3699428T3/pl
Priority to EP17929243.8A priority patent/EP3699428B1/fr
Publication of WO2019075686A1 publication Critical patent/WO2019075686A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/126—Cylinder liners

Definitions

  • This invention relates to the field of air compressor technology; in particular, the present invention relates to air compressor cylinders and air compressors therewith, and further to automobile seats and automobiles including such air compressors.
  • Air compressors are used as drives or brakes in many places in contemporary cars. For example, in some car seats, a piston air compressor is used for moving adjustment, lumbar support adjustment, and the like.
  • a piston air compressor is a positive displacement compressor in which the compression element includes a piston that reciprocates within the cylinder to operate in a manner that changes the working volume. It can be seen that the manufacture of the piston and cylinder has a direct impact on the performance of the air compressor.
  • FIG. 1 is a schematic view of a piston type air compressor in the prior art.
  • This piston type air compressor has a drive portion 100 and an air compression execution portion 200.
  • the driving device inside the driving portion 100 may be a motor or the like, and the piston and the cylinder are disposed at the compression executing portion 200.
  • the existing process often mainly includes two ways: one is to machine the cylinder first, and then to the outer casing of the air compressor; the other is the outer casing of the air compressor (including Cylinder) Die-casting, directly to the processing requirements of the cylinder.
  • a first aspect of the present invention provides a cylinder for a piston type air compressor, wherein a cavity is defined in a cylinder of the cylinder, and an inner side wall of the cavity is attached An inner liner, the inner liner is securely coupled to the inner sidewall, and the inner liner defines a compression chamber of the air compressor.
  • the inner surface of the inner liner is smoother than the cylinder Its own surface smoothness.
  • the liner is die cast together with the cylinder.
  • the fastening between the inner liner and the cylinder is achieved by a threaded connection.
  • the inner side wall of the inner liner is of a straight cylindrical shape, and the inner liner has the same cross-sectional shape and size at both ends.
  • the inner liner is a stretched pipe made of aluminum or an aluminum alloy.
  • the cylinder is die-casted from the inner liner by zinc or a zinc alloy.
  • a second aspect of the invention provides a piston type air compressor, wherein the cylinder of the air compressor is the cylinder according to any one of the preceding first aspects.
  • a third aspect of the invention provides a car seat, wherein the car seat has the piston type air compressor of the second aspect described above.
  • a fourth aspect of the invention provides an automobile, wherein the automobile has the piston type air compressor of the second aspect, and/or the automobile has the aforementioned third aspect Car seat.
  • Figure 1 is a schematic view of a prior art piston air compressor
  • FIG. 2 is a schematic view of a cylinder-piston mechanism of an air compressor in accordance with an embodiment of the present invention.
  • FIG. 2 is a schematic view of a cylinder-piston mechanism of an air compressor in accordance with an embodiment of the present invention.
  • an outer casing 1 of an air compressor which together with the casing cover 2 constitutes a chamber 10 in which a crank 3 can be accommodated and a push rod 4 connected thereto.
  • Piston 5 An integral cylinder 7 is formed at one end of the outer casing 1.
  • a cylinder as a main portion of the cylinder 7 is used to form a compression chamber, and the piston 5 is provided with a seal ring 6 and fitted in a cylinder portion of the cylinder 7.
  • the cylinder 7 is connected at the end Air outlet 8.
  • the cover 2 and the air outlet 8 are detachably fixed to the outer casing 1.
  • they can be screwed or snapped onto the outer casing 1.
  • the air outlet 8 is threadedly coupled to one end portion of the cylinder 7. It will be understood that the manner of connection in the illustrated embodiments is merely exemplary.
  • the center hole 31 of the crank 3 in the figure is adapted to be coupled to a drive shaft of a drive motor (not shown).
  • the end of the push rod 4 opposite to the position of the piston 5 can be connected to the eccentric hole 32 of the crank 3.
  • the connection of the push rod 4 at the eccentric hole 32 is a movable connection, for example, at the end of the push rod 4, a bearing 41 may be provided to reduce the rotational resistance.
  • the piston 5 can be fixed to the other end of the push rod 4, and a seal ring 6 can be provided on the outer circumference of the piston 5, and the piston 5 will reciprocate with the push rod 4 to change the volume of the compression chamber 71.
  • the presence of the seal ring 6 prevents excessive air leakage from the inside of the compression cylinder toward the rear of the piston 5.
  • the motor drives the crank 3 to rotate along the axis O, and one end of the push rod 4 rotates with the eccentric hole 32 on the crank 3, connecting the other end of the piston 5
  • the piston 5 is pushed to reciprocate within the cylinder 7, changing the volume of the compression chamber. As the air volume of the compression chamber becomes smaller, gas is expelled from the air outlet 8 for different purposes depending on the application.
  • a lining 9 is attached to the inner side wall.
  • the cylinder 7 in the illustrated embodiment is an integral part of the outer casing 1 of the air compressor, the cylinder does not have to be integrally molded; in other embodiments it is completely
  • the cylinder 7 can be manufactured separately and then fixed to the outer casing 1 in a suitable manner. These suitable means include, but are not limited to, various existing methods such as screwing, snapping, soldering, gluing, and the like.
  • the outer casing 1 can also be die cast onto the cylinder 7 after the cylinder 7 has been separately produced.
  • the inner liner 9 may be made of a different material than the cylinder portion of the cylinder 7.
  • the inner liner 9 can be made independently of the cylinder 7, and the manufacturing method can also be different from the cylinder 7.
  • the inner liner 9 may be a stretched tube made of aluminum or an aluminum alloy; and the cylinder 7 may be cast-formed, for example, the cylinder may be made of zinc or a zinc alloy.
  • the inner liner is die-cast, that is, the aluminum or aluminum alloy is over-molded in a zinc mold, and the aluminum can have a smoother surface than the die-cast zinc or zinc alloy. Smoothing the table by polishing the die-cast zinc or zinc alloy parts The cost of the face is higher.
  • the cylinder 7 can be integrally cast molded with the outer casing 1 of the air compressor.
  • the inner liner 9 can be securely coupled to the inner side wall of the cavity within the cylinder 7 by suitable means.
  • the inner liner 9 may be threaded to the inner side wall; in particular, a matching thread may be formed on the outer side wall of the inner liner 9 and the inner side wall of the cavity for engagement. Flexibility and the ability to individually replace the liner 9 when needed, helping to maintain and extend the life of the product.
  • the cylinder 7 (or together with the outer casing 1) can be die-cast together with the inner liner 9; in this case, it can also have a form fit, for example, on the inner side of the cylinder
  • a convex portion 71 is formed in the wall and is incorporated into the recess 91 on the outer side wall of the inner liner 9, further reinforcing the axial limit of the two.
  • the convex portion 71 and the concave portion 91 can respectively extend over the entire circumference in the corresponding circumferential direction; they can also be distributed distributed in the circumferential direction so as to further strengthen the circumferential limit of the two.
  • the inner liner 9 can be made separately and then incorporated into the cylinder 7, this facilitates the low-cost processing of the surface accuracy, ie smoothness, of the higher inner surface of the inner liner 9. , which reduces the difficulty of processing and is easy to control the rate of defective products.
  • the inner liner 9 defines a compression chamber 92 of the air compressor. It can be seen that this will be easy to achieve at least the smoothness of the inner surface of the inner liner 9, i.e., the compression chamber, by at least independent processing, which is greater than the surface smoothness of the cylinder itself.
  • the improvement of the smoothness of the inner surface of the compression chamber effectively improves the service life of the air compressor, significantly increases the number of work cycles, improves work efficiency, reduces the cost of life, and avoids local performance requirements of the molded part material. High features.
  • This separately manufactured inner liner can be machined from a stretched tube, which has the advantage that the inner side walls of the compression chamber are no longer drafted as cast.
  • the inner side walls of such separately manufactured inner liners may be in a straight cylindrical shape, and the cross-sectional shape and size of the inner liner at both ends are the same.
  • this straight cylindrical design helps to increase the matching of the piston in the compression chamber, avoids the performance and durability degradation due to the friction and angle of the inner side wall of the compression chamber, and makes the product more compact. Work more efficiently.
  • Another aspect of the present invention also provides a piston type air compressor, the cylinder of which is the cylinder of any of the foregoing embodiments.
  • a piston type air compressor the cylinder of which is the cylinder of any of the foregoing embodiments.
  • the use of a separately manufactured inner liner in the cylinder of a piston air compressor not only increases the flexibility of cylinder manufacture, air compressor manufacture, but also is separate.
  • the lining is made, it is easy to achieve higher internal surface precision, improve the working efficiency of the air compressor, and greatly improve the service life of the air compressor.
  • Such a piston air compressor can have a wide range of applications in the automotive field. For example, in a car, it can be used to drive a car seat to move back and forth, adjust a lumbar support, or a seat-to-body wrap.
  • the air compressor can also be used in different occasions such as coffee machines and massage chairs.
  • a further aspect of the invention provides a car seat having a piston air compressor according to the aforementioned aspect of the invention.
  • the piston air compressor can be used in a car seat to drive the car seat to move back and forth, adjust the lumbar support, seat to body wrap or provide a massage function.
  • Yet another aspect of the present invention further provides an automobile, which may have the piston air compressor of the foregoing aspect, and/or which may have the automobile seat of the foregoing aspect. It can be seen that the arrangement of the automotive hollow press thus arranged is not limited to that in a car seat. It will be appreciated that car seats and automobiles in these aspects of the invention will have advantages corresponding to the aforementioned air compressors.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

L'invention concerne un cylindre de compresseur d'air, un compresseur d'air, un siège de véhicule et un véhicule. Le cylindre (7) de compresseur d'air peut être utilisé dans un compresseur d'air de type à piston. Le cylindre (7) comporte, dans un corps dudit cylindre, une chambre. Une chemise (9) est fixée à la paroi latérale interne de la cavité. La chemise (9) est collée étroitement à la paroi latérale interne ; en outre, la chemise (9) délimite une chambre de compression du compresseur d'air.
PCT/CN2017/106823 2017-10-19 2017-10-19 Cylindre de compresseur d'air, compresseur d'air, siège de véhicule, et véhicule WO2019075686A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/CN2017/106823 WO2019075686A1 (fr) 2017-10-19 2017-10-19 Cylindre de compresseur d'air, compresseur d'air, siège de véhicule, et véhicule
US16/757,457 US20210164463A1 (en) 2017-10-19 2017-10-19 Air compressor cylinder, air compressor, vehicle seat, and vehicle
PL17929243.8T PL3699428T3 (pl) 2017-10-19 2017-10-19 Cylinder do sprężarki powietrza, sprężarka powietrza, fotel pojazdu oraz pojazd
EP17929243.8A EP3699428B1 (fr) 2017-10-19 2017-10-19 Cylindre de compresseur d'air, compresseur d'air, siège de véhicule, et véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/106823 WO2019075686A1 (fr) 2017-10-19 2017-10-19 Cylindre de compresseur d'air, compresseur d'air, siège de véhicule, et véhicule

Publications (1)

Publication Number Publication Date
WO2019075686A1 true WO2019075686A1 (fr) 2019-04-25

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Application Number Title Priority Date Filing Date
PCT/CN2017/106823 WO2019075686A1 (fr) 2017-10-19 2017-10-19 Cylindre de compresseur d'air, compresseur d'air, siège de véhicule, et véhicule

Country Status (4)

Country Link
US (1) US20210164463A1 (fr)
EP (1) EP3699428B1 (fr)
PL (1) PL3699428T3 (fr)
WO (1) WO2019075686A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2305496Y (zh) * 1997-04-07 1999-01-27 龙口市气泵集团有限公司 拖拉机用空气压缩机
WO2004011804A1 (fr) 2002-07-24 2004-02-05 Ventrex Automotive Gmbh Dispositif pour comprimer des gaz
CN101248272A (zh) * 2005-07-21 2008-08-20 菲舍尔和佩克尔应用有限公司 线性压缩机气缸和盖结构
CN202370786U (zh) * 2011-12-19 2012-08-08 安庆市佰联无油压缩机有限公司 全无油润滑高压空压机
CN203146271U (zh) * 2013-01-28 2013-08-21 龙口市大川活塞有限公司 一体式汽车空压机
US20150211438A1 (en) * 2012-09-20 2015-07-30 Caterpillar Energy Solutions Gmbh Piston with oil reservoir
CN206513530U (zh) * 2017-01-13 2017-09-22 厦门闳图盛道科技有限公司 一种空压机低摩擦系数的气缸套组件
CN207363851U (zh) * 2017-10-19 2018-05-15 东莞冠翔电机有限公司 空压机气缸、空压机、汽车座椅及汽车

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501220A1 (de) * 1995-01-17 1996-07-18 Knorr Bremse Systeme Verdichter
JP3309765B2 (ja) * 1997-05-16 2002-07-29 三菱電機株式会社 高圧燃料供給ポンプ
US20060292022A1 (en) * 2005-06-24 2006-12-28 Samsung Gwangju Electronics Co., Ltd. Cylinder assembly for compressor and assembling method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2305496Y (zh) * 1997-04-07 1999-01-27 龙口市气泵集团有限公司 拖拉机用空气压缩机
WO2004011804A1 (fr) 2002-07-24 2004-02-05 Ventrex Automotive Gmbh Dispositif pour comprimer des gaz
CN101248272A (zh) * 2005-07-21 2008-08-20 菲舍尔和佩克尔应用有限公司 线性压缩机气缸和盖结构
CN202370786U (zh) * 2011-12-19 2012-08-08 安庆市佰联无油压缩机有限公司 全无油润滑高压空压机
US20150211438A1 (en) * 2012-09-20 2015-07-30 Caterpillar Energy Solutions Gmbh Piston with oil reservoir
CN203146271U (zh) * 2013-01-28 2013-08-21 龙口市大川活塞有限公司 一体式汽车空压机
CN206513530U (zh) * 2017-01-13 2017-09-22 厦门闳图盛道科技有限公司 一种空压机低摩擦系数的气缸套组件
CN207363851U (zh) * 2017-10-19 2018-05-15 东莞冠翔电机有限公司 空压机气缸、空压机、汽车座椅及汽车

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3699428A4

Also Published As

Publication number Publication date
EP3699428A4 (fr) 2021-03-17
US20210164463A1 (en) 2021-06-03
EP3699428A1 (fr) 2020-08-26
PL3699428T3 (pl) 2022-09-19
EP3699428B1 (fr) 2022-05-25

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