WO2014121496A1 - 空气压缩机构造 - Google Patents

空气压缩机构造 Download PDF

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Publication number
WO2014121496A1
WO2014121496A1 PCT/CN2013/071531 CN2013071531W WO2014121496A1 WO 2014121496 A1 WO2014121496 A1 WO 2014121496A1 CN 2013071531 W CN2013071531 W CN 2013071531W WO 2014121496 A1 WO2014121496 A1 WO 2014121496A1
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WO
WIPO (PCT)
Prior art keywords
air compressor
piston
piston head
wall
cylinder
Prior art date
Application number
PCT/CN2013/071531
Other languages
English (en)
French (fr)
Inventor
周文三
Original Assignee
Chou Wen-San
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 Chou Wen-San filed Critical Chou Wen-San
Priority to CN201380069836.0A priority Critical patent/CN104956085B/zh
Priority to PCT/CN2013/071531 priority patent/WO2014121496A1/zh
Priority to EP13874732.4A priority patent/EP2955383B1/en
Priority to KR1020157017328A priority patent/KR20150090228A/ko
Priority to JP2015555531A priority patent/JP6169726B2/ja
Priority to PL13874732T priority patent/PL2955383T3/pl
Priority to HUE13874732A priority patent/HUE045324T2/hu
Priority to DK13874732.4T priority patent/DK2955383T3/da
Publication of WO2014121496A1 publication Critical patent/WO2014121496A1/zh

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    • 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
    • F04B39/0005—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 adaptations of pistons
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/06—Mobile combinations
    • 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
    • F04B39/0005—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 adaptations of pistons
    • F04B39/0016—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 adaptations of pistons with valve arranged in the piston
    • 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
    • F04B39/0005—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 adaptations of pistons
    • F04B39/0022—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 adaptations of pistons piston rods
    • 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
    • F04B39/121—Casings
    • 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
    • F04B39/125—Cylinder heads
    • 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
    • F04B39/127—Mounting of a cylinder block in a casing
    • 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
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs

Definitions

  • the present invention relates to an air compressor construction, and more particularly to a piston body of an air compressor having a buffer air tank that allows compressed air output from an operating compressor to be maintained within a safe pressure range.
  • the design eliminates the need for a pressure relief valve for existing air compressors, reducing manufacturing costs.
  • the air compressor is a device for inflating articles to be inflated, and is generally widely used for inflation applications of air cushions, tires, etc., because the air compressor is small in size and easy to be carried, and can also be used by a portable DC power supply. Or it can be connected to the cigarette lighter socket of the car to provide the power supply of the air compressor, which is quite simple and convenient to operate and use.
  • the main structure of the existing air compressor is that a piston is driven by a motor to perform a reciprocating compression action in the cylinder, and the compressed air can be transported from the cylinder to the gas storage seat, and then the gas storage seat.
  • the transfer hose connected to the upper manifold is connected to the item to be inflated for the purpose of inflation.
  • the structure of the existing air compressor one is that the piston head of the piston body is in a solid state; further, the air compressor device is provided with a pressure safety valve, and the purpose of the design is mainly because of the pressure value of the generated high pressure air. If the safety pressure value set by the item to be inflated is exceeded, the pressure safety valve will automatically act to release the high-pressure air inside the air-storage chamber out of the machine, and will not enter the object to be inflated again to maintain the air compressor. The safety of the device and the object to be inflated is also due to the installation of such a pressure safety valve, which increases the manufacturing cost and is not economical.
  • the inventors have in view of the lack of additional manufacturing cost in the air compressor device in view of the additional pressure relief valve, and the need to consider the protection of the pressure relief valve as an indispensable factor in the manufacture of the air compressor device. For this reason, it has been meticulously developed and designed, and finally developed an air compressor device that does not require the use of a pressure safety valve but has the protection effect of the existing product plus a pressure safety valve.
  • the technical problem to be solved by the present invention is to provide an air compressor construction which can have a safety protection function without additionally providing a pressure safety valve having a protective function.
  • the technical solution of the present invention is:
  • An air compressor structure comprising: a box body having an air compressor mounted therein, the air compressor having a piston body that can be driven by a motor and reciprocated up and down in the cylinder, the piston body
  • the piston head is provided with a through venting passage and at the same time has a buffering gas tank.
  • the piston body includes a piston head and a piston rod.
  • the piston head is formed with a buffering gas tank at a top end thereof.
  • the top end of the buffer air tank is open and recessed toward the inside of the piston head and formed
  • the bottom wall and the peripheral wall are provided with a vent hole and a snap seat connected to the buffer air tank on the bottom wall; an elastic spring is mounted on the buckle seat in the buffer air tank.
  • the buffer air tank forms a flat top end wall at the top end of the piston head at the periphery of the opening, and the bottom end wall extends downward to form a bottom end wall of the piston head between the top end wall and the bottom end wall of the piston head.
  • a recessed ring groove is further disposed on the outer peripheral wall, the ring groove is not in communication with the buffer air tank;
  • the bottom end wall of the piston head is connected to the first end of a piston rod, and the tail end of the piston rod is The two ends are simultaneously provided with a pivot hole; an airtight ring, which functions similarly to the function of the O-ring, is installed in the ring groove of the piston head.
  • the piston body includes a piston head and a piston rod, and a top end wall of the flat surface is formed at the top end of the piston head, and the vent hole penetrating through the piston head is disposed on the top end wall;
  • the inner portion of the head is recessed and formed with a buffering gas tank that is not in communication with the venting passage; a snap seat is also disposed on the top end wall, and an elastic spring is mounted on the buckle seat on the top end wall, the elasticity The reed can close the aforementioned venting channel.
  • the cylinder has a top wall at the top end of the cylinder inner chamber, the top wall has a passage through which a gas storage seat can be penetrated, and a plurality of manifolds are disposed on the gas storage seat, wherein a manifold can be connected to a hose
  • Another manifold link is a pressure display table; a manifold is provided with a vent valve group, a cap type soft cover is disposed at the innermost end of the vent valve group; and a valve seat is provided at the passage in the gas storage seat And a spring above the valve seat.
  • the hose connected to the manifold is housed in the casing and closed by an opening and closing cover.
  • the switch body is provided with a switch to activate or deactivate the air compressor, and the pressure display of the air compressor can be exposed on the outer surface of the casing, and the jack on the inner side of the other touch switch can pass through.
  • the air compressor structure of the present invention has a vent hole penetrating through the piston head of the piston body of the air compressor in the casing, and is provided with a buffering gas tank to make the piston body in the air compressor.
  • the air pressure continuously generated by the reciprocating linear motion in the cylinder does not exceed the safe pressure value of the inflated article, so that the air compressor does not need to additionally provide a protective pressure safety valve to keep the inflated article safe.
  • In the range of pressure values not only has the safety of use, but also the economic benefit of reducing the manufacturing cost in the design without additionally adding a pressure safety valve.
  • a buffer space can be further stored between the piston head of the piston body and the inner wall of the cylinder, thereby The piston body applied to such a cylinder achieves the benefits of smooth operation.
  • Figure 1 is a perspective view of a casing of an air compressor device of the present invention
  • Figure 2 is a plan view showing another angle of the box body of the present invention.
  • Figure 3 is a perspective view of the air compressor of the present invention.
  • Figure 4 is an exploded perspective view of the piston body of the present invention.
  • Figure 5 is a perspective sectional view of the piston body of the present invention.
  • Figure 6 is a schematic view showing the suction stroke of the air compressor outside the retracting stroke of the piston body of the present invention
  • Figure 7 is a schematic view showing the flow of compressed air during the forward stroke of the piston body of the present invention.
  • Figure 8 is another perspective view of the piston body in the forward stroke movement of the present invention.
  • Figure 9 is a view showing another embodiment of the present invention.
  • Figure 10 is a cross-sectional view showing another angle of the present invention.
  • Figure 11 is a perspective exploded view of another structural piston body of the present invention.
  • Figure 12 is a perspective cross-sectional view showing another structural piston body of the present invention.
  • Figure 13 is a schematic view showing another embodiment of the present invention in which the piston body recedes the stroke to draw air from the outside of the air compressor from the air inlet;
  • Fig. 14 is a schematic view showing the flow of compressed air during the forward stroke operation of another piston body of the present invention.
  • FIG. 1 , FIG. 3 and FIG. 6 are the air compressor construction of the present invention, which includes a casing 1 , and an internal air compressor (shown in FIG. 3 ) is mounted inside the casing 1 .
  • the machine has a cylinder 3 for providing operation of the piston body 6 and a plate 20 for fixing the motor 21.
  • the plate 20 can fix the power mechanism of the air compressor, and the power mechanism includes a motor 21 and a small transmission purpose.
  • the gear 22 and the large gear 23, the eccentric pin 24 on the large gear 23 is coupled to the piston body 6.
  • the piston head 61 of the piston body 6 can be reciprocally compressed in the inner circumferential wall 34 of the cylinder 3 by the motor 21 driving the power mechanism of the air compressor, and the compressed air can be moved through the valve seat 44 via the passage 33.
  • the spring 46 is compressed so that the compressed air can enter the air reservoir 4.
  • the piston head 61 of the piston body 6 is provided with a through-venting vent 604 and at the same time has a buffering gas tank 60 for reciprocating linear movement of the piston body 6 in the cylinder 3 of the air compressor.
  • the continuously generated air pressure does not exceed the safe pressure value of the inflated object, so that the air compressor does not need to additionally provide a protective pressure safety valve, which not only facilitates the operation of inflating the inflated object, but also protects the inflated. Things.
  • the piston body 6 provided in the air compressor structure of the present invention comprises a piston head 61 and a piston rod 62.
  • the top end of the piston head 61 is formed with an opening 601 at one end and recessed toward the inside of the piston head 61.
  • a buffering gas tank 60 having a bottom wall 602 and a peripheral wall 603 is formed.
  • the bottom wall 602 of the buffering gas tank 60 is provided with a through venting opening 604 and a snap seat 605.
  • the buffering gas tank 60 is open at the opening.
  • a top end wall 611 of a flat surface is formed at the top end of the piston head 61 of the periphery 601, and a bottom end wall 612 of the piston head 61 is formed to extend downward from the top end wall 611 between the top end wall 611 and the bottom end wall 612 of the piston head 61.
  • a recessed ring groove 64 is further formed on the outer peripheral wall, and the ring groove 64 is in a non-communication state with the buffer gas tank 60.
  • the first end 621 of the piston rod 62 having a certain length is connected to the bottom end wall 612 of the piston head 61.
  • the rear end of the piston rod 62, that is, the second end 622 is simultaneously provided with a pivot hole 63.
  • An airtight ring 65 which functions like an O-ring, can be mounted within the ring groove 64 of the aforementioned piston head 61.
  • An elastic spring 66 can be mounted on the snap seat 605 in the buffer tank 60.
  • the cylinder 3 has a top wall 32 at the top end of the cylinder inner chamber 31 , and the top wall 32 has a passage 33 extending through the cylinder 3 .
  • the gas storage seat 4 is provided with a plurality of manifolds 41, 42 and 43 on the gas storage seat 4 (the manifold 43 can be referred to FIG. 10), the manifold 41 can be connected to a hose 14; and the manifold 42 is linked to a pressure display table 12
  • the manifold 43 is provided with a vent valve group 5, and a cap type soft cover 51 is provided at the innermost end of the vent valve group 5.
  • the valve seat 44 and the spring 46 above the valve seat 44 are disposed at the passage 33 in the gas storage seat 4.
  • the entire air compressor can be assembled in the aforementioned casing 1, wherein the casing 1 (which can be simultaneously referred to FIG. 1) is physically provided with a changeover switch 11 as an action of starting or closing the air compressor, and the air compressor
  • the pressure display table 12 can be exposed on the outer surface of the casing 1, and the ejector 131 on the inner side of the other touch switch 13 can pass through a bolt 52 and interfere with the cap type soft cover 51 of the vent valve group 5 on the air compressor.
  • the user can easily press the touch switch 13 to touch the cap type soft cover 51 of the deflation valve group 5, and the cap type soft cover 51 can be compressed and deformed and allowed
  • the excess pressure of the inflated material is released by the manifold 43 in which the vent valve group 5 is installed.
  • the hose 14 connected to the manifold 41 can be housed in the casing 1 and closed by an opening and closing cover 15 (as shown in FIG. 2) to achieve the aesthetics of the collection.
  • the piston body 6 of the air compressor can perform reciprocating linear motion in the cylinder 3, and when the piston body 6 is stroked, the air in the cylinder inner chamber 31 can be pushed into the air storage chamber 45 of the air reservoir 4, thereby being
  • the hose 14 of the tube 41 is output to the object to be inflated; when the piston body 6 is in the downward stroke, the external air is allowed to actuate the elastic spring 66 through the through-hole 604 of the piston head 61 and circulate into the cylinder inner chamber 31.
  • the gas to be inflated can be sufficiently gasized by repeated cycles.
  • the state in which the piston body 6 performs compressed air in the cylinder inner chamber 31 can be simultaneously referred to FIGS. 6 and 7.
  • the piston head 61 of the present invention is provided with a buffering gas tank 60, when the piston body 6 is stroked to the top dead center, although the top end wall 611 of the piston head 61 abuts against the top wall 32 of the top end of the cylinder inner chamber 31,
  • the presence of the gas cylinder 60 allows the compressed air equal to the volume of the nano-tank to be present in the cylinder chamber 31.
  • This design not only allows the piston body 6 to increase the smoothness of the operation due to the reduction of the resistance, but also during the inflation process. It is safe to use when the inflated material is kept within a safe pressure range.
  • the piston body 6 of the present invention can also be applied to a cylinder 3. Referring to FIG.
  • the piston body 7 of the present invention may also be an embodiment shown in FIGS. 11 to 12.
  • the piston body 7 includes a piston head 71 and a piston rod 72, and a flat top end wall 711 is formed at the top end of the piston head 71.
  • a through vent 702, a snap seat 713 and an opening 701 at one end are recessed toward the inside of the piston head 71 and a buffer air tank 70 is formed which is not in communication with the vent hole 702, and the top end wall 711 extends downward.
  • a bottom end wall 712 of the piston head 71 is formed, and a concave ring groove 74 is further disposed on the outer peripheral wall between the top end wall 711 and the bottom end wall 712 of the piston head 71.
  • the ring groove 74 and the buffer air tank 70 is also incompatible.
  • the first end 721 of the piston rod 72 having a certain length is connected to the bottom end wall 712 of the piston head 71.
  • the rear end of the piston rod 72, that is, the second end 722 is simultaneously provided with a pivot hole 73.
  • An airtight ring 75 which functions like an O-ring, can be mounted in the ring groove 74 of the aforementioned piston head 71.
  • a resilient spring 76 can be mounted to the snap seat 713 on the top end wall 711.
  • the operation state of the piston body 7 for performing compressed air in the cylinder inner chamber 31 can be simultaneously referred to FIGS. 13 and 14.
  • the piston head 71 of the present invention is also provided with a buffering gas tank 70, when the piston body 7 is stroked to the top dead center, although the top end wall 711 of the piston head 71 abuts against the top wall 32 of the top end of the cylinder inner chamber 31,
  • the presence of the buffer tank 70 allows the compressed air equal to the volume of the tank to be present in the cylinder chamber 31.
  • This design not only allows the piston body 7 to increase the smoothness of the operation due to the reduction of the resistance, but also during the inflation process.
  • the inflated material can be maintained within a safe pressure range, which is safe to use, and can also save the cost of the attached pressure safety valve.
  • the piston body 6 of the present invention is provided with a buffering gas tank 60 on the piston head 61 so that the entire air compressor does not have to be additionally provided with a pressure safety valve, which not only can reduce the manufacturing cost but also has economic benefits, so that the piston body 6
  • the invention is more smooth and safe in the operation process, and the invention is novel and progressive.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

一种空气压缩机构造，其可让空气压缩机不必设置额外的压力安全阀就可使运作中所输出的压缩空气保持在安全压力值范围内，在活塞体（6）的活塞头（61）顶端处形成一开放口并向内凹陷形成有一底壁及周壁的缓冲纳气槽（60），使活塞体（6）在空气压缩机的汽缸（3）内进行往复运作时，均可对被充气物品保持在安全的压力值范围内，具有使用安全性，不必额外添设压力安全阀，缩减了制造成本，且空气压缩机的活塞体（6）在汽缸（3）内进行直线运动位于上死点时，活塞体（6）的活塞头（61）相对于汽缸（3）内部顶壁之间可存有一缓冲空间，以使应用于此种汽缸的活塞体更达到顺畅运作的效益。

Description

空气压缩机构造 技术领域
本发明涉及一种空气压缩机构造，尤其是指一种空气压缩机的活塞体具有一可让动作中的压缩机所输出的压缩空气可保持在安全压力值范围内的缓冲纳气槽，该种设计可让现有空气压缩机不必再附设压力安全阀，可缩减制造成本。
背景技术
空气压缩机是一种可将待充气物品进行充气的设备，一般广泛应用于气垫、轮胎等的充气用途，由于空气压缩机体积小易于被携带放置，同时也可借由手提式直流电源供应器或是接至汽车点烟器插座处，可提供空气压缩机的动力电源，在操作及使用上相当简易方便。一般而言，现有空气压缩机的主要结构是借由一马达驱动一活塞体在汽缸内进行往复式的压缩动作，被压缩的空气则可由汽缸输送至储气座内，再由储气座上的歧管所连接的传输软管连接至待充气物品上，以达到充气的目的。现有空气压缩机的构造，一者是活塞体的活塞头为实心状态；再者，空气压缩机装置上设有一压力安全阀，此种设计的目的主要是因为所产生的高压空气的压力值若逾越了待充气物品所设定的安全压力值，该压力安全阀会自动的动作，将储气室内部的高压空气释放出机外，不会再进入待充气物内，以维护空气压缩机装置及待充气物的安全性，然亦由于附设此种压力安全阀，故使业者增加制造成本，不符经济效益。
本发明人有鉴于附加压力安全阀在空气压缩机装置内存在着增加制造成本的缺失，又有感于在制造空气压缩机装置亦需将压力安全阀的保护作用列为不可或缺的考虑因素，为此乃精心研发设计，终于发展出一种不必使用压力安全阀却又具有现有产品加设压力安全阀的保护效果的空气压缩机装置，本案由此而产生。
发明内容
本发明所要解决的技术问题在于提供一种空气压缩机构造，其不必额外设置具有保护作用的压力安全阀，即可具有安全保护作用。
为解决上述技术问题，本发明的技术解决方案是：
一种空气压缩机构造，包含：一盒体，该盒体内部装设有一空气压缩机，该空气压缩机具有一可被马达带动并在汽缸内上下进行往复运动的活塞体，该活塞体的活塞头设有一贯穿的通气孔道并同时具有一缓冲纳气槽。
所述活塞体含括一所述的活塞头及一活塞杆，该活塞头于顶端形成有所述的缓冲纳气槽，该缓冲纳气槽的顶端为开口且向活塞头内部凹陷并形成有一底壁及周壁，于底壁上设有一与缓冲纳气槽相连通的所述通气孔道及一卡扣座；一弹性簧片被装设在前述缓冲纳气槽内的卡扣座上。
所述缓冲纳气槽在其开口的周边的活塞头顶端形成一平坦面的顶端壁，由顶端壁往下延伸形成该活塞头的底端壁，于活塞头的顶端壁及底端壁间的外周壁上另设有一凹陷的环凹槽，该环凹槽与缓冲纳气槽不相通；由活塞头的底端壁连接于一活塞杆的第一端，该活塞杆的尾端，即第二端同时设有一枢接孔；一气密环，其作用类似O型环的功能，其被装设在前述活塞头的环凹槽内。
所述活塞体含括一所述的活塞头及一活塞杆，于活塞头顶端形成一平坦面的顶端壁，由顶端壁上设有一贯穿活塞头的所述通气孔道；另由顶端壁向活塞头内部凹陷并形成有一与通气孔道不连通的所述缓冲纳气槽；一卡扣座亦设在该顶端壁上，一弹性簧片装设在前述顶端壁上的卡扣座上，该弹性簧片可闭住前述通气孔道。
所述汽缸于汽缸内室顶端具有一顶壁，该顶壁具有一通道可贯通至汽缸上方的一储气座，于储气座上设有数个歧管，其中一歧管可接一软管；另一歧管链接一压力显示表；还一歧管则装设一泄气阀组，于泄气阀组的最内端设有一帽型软盖；于储气座内的通道处设有一阀门座及抵于该阀门座上方的弹簧。
所述与歧管连结的软管被收纳于盒体内且借由一启闭盖予以封闭。
所述盒体上设有一切换开关作为启动或是关闭空气压缩机的动作，而空气压缩机的压力显示表可显露在盒体的外表面，另一触控开关内侧的顶杆则可穿过一螺栓并抵触空气压缩机上的泄气阀组的帽型软盖。
所述汽缸内进行往复式运动的活塞体位于上死点时，活塞体的活塞头相对于汽缸内部顶壁之间存有一缓冲空间。
采用上述方案后，本发明所述的空气压缩机构造，由于其盒体内的空气压缩机的活塞体的活塞头具备贯穿的通气孔道，并设置有一缓冲纳气槽，使活塞体在空气压缩机的汽缸内进行往复式直线运动所持续产生的空气压力不会逾越被充气物品的安全压力值，让空气压缩机不必额外设置具有保护作用的压力安全阀，即可使被充气物品保持在安全的压力值范围内，不仅具有使用安全性，在不必额外添设压力安全阀的设计中，又具有缩减制造成本的经济效益。
另外，本发明所述空气压缩机构造所设置的活塞体于汽缸内进行往复式运动位于上死点时，活塞体的活塞头相对于汽缸内部顶壁之间可再存有一缓冲空间，从而使应用于此种汽缸的活塞体更达到顺畅运作的效益。
附图说明
图1为本发明空气压缩机装置的盒体立体图；
图2为本发明的盒体另一角度平面示意图；
图3为本发明的空气压缩机立体图；
图4为本发明活塞体的立体分解图；
图5为本发明活塞体的立体剖面图；
图6为本发明的活塞体后退行程将空气压缩机外界的空气吸入流通示意图；
图7为本发明的活塞体前进行程动作时的压缩空气流通示意图；
图8为本发明的活塞体前进行程动作时的另一角度示意图；
图9为本发明的另一实施例图；
图10为本发明的另一角度剖面示意图；
图11为本发明的另一构造活塞体立体分解图；
图12为本发明的另一构造活塞体立体剖面图；
图13为本发明的另一构造活塞体后退行程将空气压缩机外界的空气由空气入口吸入流通示意图；
图14为本发明的另一构造活塞体前进行程动作时的压缩空气流通示意图。
【符号说明】
1盒体11切换开关12压力显示表
13触控开关131顶杆14软管
15启闭盖20机板21马达
22小齿轮23大齿轮24偏心销
3汽缸31汽缸内室32顶壁
33通道34内圆周壁4储气座
41歧管42歧管43歧管
44阀门座45储气室46弹簧
5泄气阀组51帽型软盖52螺栓
5泄气阀组51帽型软盖52螺栓
6活塞体60缓冲纳气槽601开口
602底壁603周壁604通气孔道
605卡扣座61塞头611顶端壁
612底端壁62活塞杆621第一端
622第二端63枢接孔64环凹槽
65气密环66簧片7活塞体
70缓冲纳气槽701开口702通气孔道
71活塞头711顶端壁712底端壁
713卡扣座72活塞杆721第一端
73枢接孔74环凹槽75气密环
76簧片
具体实施方式
为了进一步揭露本发明的技术手段，现以具体实施例来对本发明进行详细阐述。
请先参考图1、3及图6，为本发明中的空气压缩机构造，其包括有一盒体1，该盒体1内部装设有一空气压缩机（如图3所示），该空气压缩机具有一可提供活塞体6运作的汽缸3及一可提供马达21固定的机板20，该机板20可固定空气压缩机的动力机构，该动力机构含括有马达21、传动用途的小齿轮22及大齿轮23，该大齿轮23上的偏心销24连结所述活塞体6。借由马达21驱动空气压缩机的动力机构而使活塞体6的活塞头61可在汽缸3的内圆周壁34内进行往复式压缩动作，被压缩的空气可经由通道33推移阀门座44来进行压缩弹簧46，使被压缩的空气可进入储气座4内。本发明最主要结构特征是在活塞体6的活塞头61设有一贯穿的通气孔道604并同时具有一缓冲纳气槽60，使活塞体6在空气压缩机的汽缸3内进行往复式直线运动所持续产生的空气压力不会逾越被充气物的安全压力值，让空气压缩机不必额外设置具有保护作用的压力安全阀，不仅使用者更方便对被充气物进行充气的操作，且能保护被充气物。
请参考图4及图5，本发明空气压缩机构造所设置的活塞体6含括一活塞头61及活塞杆62，活塞头61顶端形成有在一端为开口601且向活塞头61内部凹陷并形成有一底壁602及周壁603的缓冲纳气槽60，于缓冲纳气槽60内的底壁602上设有一贯穿的通气孔道604及一卡扣座605，该缓冲纳气槽60在其开口601的周边的活塞头61顶端形成一平坦面的顶端壁611，由顶端壁611往下延伸形成该活塞头61的底端壁612，于活塞头61的顶端壁611及底端壁612间的外周壁上另设有一凹陷的环凹槽64，该环凹槽64与缓冲纳气槽60为不相通状态。由活塞头61的底端壁612连接于一具有一定长度的活塞杆62的第一端621，该活塞杆62的尾端，即第二端622同时设有一枢接孔63。一气密环65，其作用类似O型环的功能，其可被装设在前述活塞头61的环凹槽64内。一弹性簧片66可被装设在前述缓冲纳气槽60内的卡扣座605上。
本发明的空气压缩机的实际使用可参阅图3及图6至图8，该汽缸3于汽缸内室31顶端具有一顶壁32，该顶壁32具有一通道33可贯通至汽缸3上方的储气座4，于储气座4上设有数个歧管41、42及43（歧管43可参考图10），歧管41可接一软管14；歧管42链接一压力显示表12；歧管43则装设一泄气阀组5，于泄气阀组5的最内端设有一帽型软盖51。于储气座4内的通道33处设有前述阀门座44及抵于该阀门座44上方的弹簧46。整个空气压缩机可被组装在前述盒体1之内，其中该盒体1（可同时参考图1）在实体上设有一切换开关11作为启动或是关闭空气压缩机的动作，而空气压缩机的压力显示表12可显露在盒体1的外表面，另一触控开关13内侧的顶杆131则可穿过一螺栓52并抵触空气压缩机上的泄气阀组5的帽型软盖51，在被充气物显然呈现较高压力值的状态下，使用者可轻易地按压触控开关13来触压泄气阀组5的帽型软盖51，该帽型软盖51可被压缩变形并让被充气物的过剩压力由装设此泄气阀组5的歧管43泄出。歧管41所连结的软管14可被收纳于盒体1内，且借由一启闭盖15予以封闭（如图2所示），达到收藏的美观性。
空气压缩机的活塞体6可在汽缸3内进行往复式直线运动，当活塞体6上冲行程，可将汽缸内室31的空气推送至储气座4的储气室45内，进而可由歧管41的软管14输出至待充气物；活塞体6下冲行程时，则可让外接空气经由活塞头61的贯穿的通气孔道604役动弹性簧片66并流通进入汽缸内室31，如此周而复始即可将待充气物充足气体。有关活塞体6在汽缸内室31进行压缩空气的动作状态可同时参考图6及图7。由于本发明活塞头61设有缓冲纳气槽60，当活塞体6上冲行程到上死点时，虽然活塞头61的顶端壁611抵于汽缸内室31顶端的顶壁32，但由于缓冲纳气槽60的存在可允许相等于纳气槽容积的压缩空气存在汽缸内室31内，此种设计不仅可让活塞体6因减少阻力而更增加运作的顺畅性，充气过程中也同时可对被充气物保持在安全的压力值范围内，具有使用安全性。当然，本发明的活塞体6亦可应用在一汽缸3，可参考图9，在空气压缩机的活塞体6于汽缸3内进行直线运动位于上死点时，活塞体6的活塞头61相对于汽缸3内部顶壁32之间存有一缓冲空间31，使应用于此种汽缸3的活塞体6更可达到顺畅运作的效益。
本发明的活塞体7亦可如图11至图12所示的实施例，该活塞体7含括一活塞头71及活塞杆72，于活塞头71顶端形成一平坦面的顶端壁711，其上设有一贯穿的通气孔道702、一卡扣座713及在一端为开口701且向活塞头71内部凹陷并形成有一与通气孔道702不连通的缓冲纳气槽70，而顶端壁711往下延伸形成该活塞头71的底端壁712，于活塞头71的顶端壁711及底端壁712之间的外周壁上另设有一凹陷的环凹槽74，该环凹槽74与缓冲纳气槽70亦为不相通状态。由活塞头71的底端壁712连接于一具有一定长度的活塞杆72的第一端721，该活塞杆72的尾端，即第二端722同时设有一枢接孔73。一气密环75，其作用类似O型环的功能，其可被装设在前述活塞头71的环凹槽74内。一弹性簧片76可被装设在前述顶端壁711上的卡扣座713。有关此种活塞体7在汽缸内室31进行压缩空气的动作状态可同时参考图13及图14。由于本发明活塞头71亦设有一缓冲纳气槽70，当活塞体7上冲行程到上死点时，虽然活塞头71的顶端壁711抵于汽缸内室31顶端的顶壁32，但由于缓冲纳气槽70的存在可允许相等于纳气槽容积的压缩空气存在汽缸内室31内，此种设计不仅可让活塞体7因减少阻力而更增加运作的顺畅性，充气过程中也同时可对被充气物保持在安全的压力值范围内，具有使用安全性，同时亦可节省附设压力安全阀的成本。
统观前论，本发明的活塞体6在其活塞头61上设有缓冲纳气槽60使整个空气压缩机不必另外添置一压力安全阀，不仅能缩减制造成本而具有经济效益，让活塞体6在运作行程中更具有顺畅性且安全性，本发明实具有新颖性及进步性。

Claims (8)

1、一种空气压缩机构造，包含：一盒体，该盒体内部装设有一空气压缩机，该空气压缩机具有一可被马达带动并在汽缸内上下进行往复运动的活塞体，其特征在于：该活塞体的活塞头设有一贯穿的通气孔道并同时具有一缓冲纳气槽。
2、如权利要求1所述的空气压缩机构造，其特征在于：所述活塞体含括一所述的活塞头及一活塞杆，该活塞头于顶端形成有所述的缓冲纳气槽，该缓冲纳气槽的顶端为开口且向活塞头内部凹陷并形成有一底壁及周壁，于底壁上设有一与缓冲纳气槽相连通的所述通气孔道及一卡扣座；一弹性簧片被装设在前述缓冲纳气槽内的卡扣座上。
3、如权利要求1所述的空气压缩机构造，其特征在于：所述缓冲纳气槽在其开口的周边的活塞头顶端形成一平坦面的顶端壁，由顶端壁往下延伸形成该活塞头的底端壁，于活塞头的顶端壁及底端壁间的外周壁上另设有一凹陷的环凹槽，该环凹槽与缓冲纳气槽不相通；由活塞头的底端壁连接于一活塞杆的第一端，该活塞杆的尾端，即第二端同时设有一枢接孔；一气密环，其作用类似O型环的功能，其被装设在前述活塞头的环凹槽内。
4、如权利要求1所述的空气压缩机构造，其特征在于：所述活塞体含括一所述的活塞头及一活塞杆，于活塞头顶端形成一平坦面的顶端壁，由顶端壁上设有一贯穿活塞头的所述通气孔道；另由顶端壁向活塞头内部凹陷并形成有一与通气孔道不连通的所述缓冲纳气槽；一卡扣座亦设在该顶端壁上，一弹性簧片装设在前述顶端壁上的卡扣座上，该弹性簧片可闭住前述通气孔道。
5、如权利要求1所述的空气压缩机构造，其特征在于：所述汽缸于汽缸内室顶端具有一顶壁，该顶壁具有一通道可贯通至汽缸上方的一储气座，于储气座上设有数个歧管，其中一歧管可接一软管；另一歧管链接一压力显示表；还一歧管则装设一泄气阀组，于泄气阀组的最内端设有一帽型软盖；于储气座内的通道处设有一阀门座及抵于该阀门座上方的弹簧。
6、如权利要求5所述的空气压缩机构造，其特征在于：所述与歧管连结的软管被收纳于盒体内且借由一启闭盖予以封闭。
7、如权利要求1所述的空气压缩机构造，其特征在于：所述盒体上设有一切换开关作为启动或是关闭空气压缩机的动作，而空气压缩机的压力显示表可显露在盒体的外表面，另一触控开关内侧的顶杆则可穿过一螺栓并抵触空气压缩机上的泄气阀组的帽型软盖。
8、如权利要求1所述的空气压缩机构造，其特征在于：所述汽缸内进行往复式运动的活塞体位于上死点时，活塞体的活塞头相对于汽缸内部顶壁之间存有一缓冲空间。
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