CN203453007U - Self-air-inlet type air cylinder and air compressor with same - Google Patents

Self-air-inlet type air cylinder and air compressor with same Download PDF

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Publication number
CN203453007U
CN203453007U CN201320534101.8U CN201320534101U CN203453007U CN 203453007 U CN203453007 U CN 203453007U CN 201320534101 U CN201320534101 U CN 201320534101U CN 203453007 U CN203453007 U CN 203453007U
Authority
CN
China
Prior art keywords
piston
air
cylinder
cylinder barrel
spring
Prior art date
Application number
CN201320534101.8U
Other languages
Chinese (zh)
Inventor
杨琪
杨国华
张春
Original Assignee
东莞瑞柯电子科技股份有限公司
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 东莞瑞柯电子科技股份有限公司 filed Critical 东莞瑞柯电子科技股份有限公司
Priority to CN201320534101.8U priority Critical patent/CN203453007U/en
Application granted granted Critical
Publication of CN203453007U publication Critical patent/CN203453007U/en
Priority claimed from US14/914,107 external-priority patent/US20160201660A1/en
Priority claimed from PCT/CN2014/083846 external-priority patent/WO2015027802A1/en
Priority claimed from PCT/CN2014/085437 external-priority patent/WO2015027940A1/en
Priority claimed from US16/355,237 external-priority patent/US20190234389A1/en

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Abstract

The utility model discloses a self-air-inlet type air cylinder and an air compressor with the self-air-inlet type air cylinder. The self-air-inlet type air cylinder comprises a cylinder barrel, a piston and a sealing ring, wherein the piston moves back and forth in the cylinder barrel, the sealing ring is arranged on the piston in a sleeved mode, the piston is tightly matched with the cylinder barrel through the sealing ring, an included angle exists between the axial direction of the sealing ring and the moving direction of the piston, the cylinder barrel is provided with an air outlet, and the air outlet is provided with a one-way valve. The self-air-inlet type air cylinder comprises the cylinder barrel, the piston and the sealing ring, wherein the piston moves back and forth in the cylinder barrel, the sealing ring is arranged on the piston in a sleeved mode, the piston is tightly matched with the cylinder barrel through the sealing ring, the included angle exists between the axial direction of the sealing ring and the moving direction of the piston, namely the sealing ring and the cylinder barrel are arranged relatively obliquely, and when the piston is pulled out to the sealing ring and breaks away from one side of the cylinder barrel, the air enters the cylinder barrel from the position. According to the self-air-inlet type air cylinder, the cylinder barrel does not need to be additionally provided with an air inlet device, and therefore the self-air-inlet type air cylinder is simpler in structure, lighter in weight, smaller in size, and enables the portable air compressor to be small and portable.

Description

A kind of from air intake type cylinder and there is this from the air compressor of air intake type cylinder

Technical field

The application belongs to air compressor technical field, specifically, relates to a kind of from air intake type cylinder and have this from the air compressor of air intake type cylinder.

Background technique

The air compressor of prior art comprises casing and is arranged on the compressed air unit of casing inside, these air compressors are because volume is larger, use and carry all inconvenient, for the ease of carrying and using, Portable air compressor arises at the historic moment, and Portable air compressor is exactly less that the volume of air compressor is done as far as possible, it is lighter that weight is done, to be convenient for carrying and to carry, but do like this layout and the setting that just has influence on air compressor internal unit, each component needs light as much as possible small and exquisite.Compressed air unit and pressure instrumentataion are the critical pieces of air compressor, and it occupies larger volume, have larger weight.

The cylinder of the Portable air compressor of prior art, generally all comprise cylinder barrel, piston, cylinder barrel is provided with air intake valve and the valve of giving vent to anger, air is entered in cylinder barrel by air intake valve, the piston pressurized air that moves reciprocatingly in cylinder barrel, air after compression is entered gas holder or is treated charger by the valve of giving vent to anger, and the air intake valve arranging on cylinder barrel and the valve of giving vent to anger have all occupied very large space, air compressor casing inside, affect Portable air compressor towards the development of miniaturization; And the working efficiency of cylinder and the air inflow of suction valve are closely related, if the air inflow of suction valve is less, the working efficiency of cylinder is low.In addition, in the air outlet of air compressor, generally also can be provided for measuring the equipment of air pressure, what prior art mostly adopted is common barometer, and its structure is comparatively complicated, and weight is heavier, also seriously affects miniaturization and the portability of portable equipment.

Summary of the invention

One of object of the application is: overcome shortcoming of the prior art, provides that a kind of it has designs simplification from air intake type cylinder, taken up room little, and lightweight, easy to use, the feature that working efficiency is high.

Two of the application's object is: overcome shortcoming of the prior art, provide a kind of and had this from the air compressor of air intake type cylinder, it has designs simplification, rationally distributed, lightweight, and volume is little, is easy to carry and facilitates the feature of using.

In order to solve the problems of the technologies described above, the application is achieved through the following technical solutions:

A kind of from air intake type cylinder, comprise cylinder barrel, piston and seal ring, piston moves reciprocatingly in cylinder barrel, seal ring is sheathed on piston, piston and cylinder barrel closely cooperate by seal ring, between the moving direction of the axial and piston of seal ring, have an angle, cylinder barrel is provided with gas outlet, and gas outlet is provided with one-way valve.

Further, gas outlet is provided with mask, and one-way valve is arranged at mask inside, one-way valve comprises non-return lid, and non-return lid covers gas outlet completely, between non-return lid and mask, is provided with stage clip, stage clip one end is fixed in mask inner bottom surface, and the stage clip the other end is fixed in non-return lid.

Further, mask inner bottom surface is provided with projection, and non-return is covered with protuberance, and stage clip one end is connected in projection, and the stage clip the other end is connected in protuberance, and stage clip is pressed on gas outlet by non-return lid.

Further, mask is provided with pressure tap, and pressure tap is connected with the pressure instrumentataion of air compressor.

Further, piston is provided with the groove coordinating with seal ring.

Further, at the bottom of cylinder barrel comprises tin and barrel, the middle part at the bottom of gas outlet is arranged at tin.

An air compressor, comprises casing, is installed on the spring manometer on casing and is installed on the compressed air unit in casing, compressed air unit comprise any one in claim 1 to 6 from air intake type cylinder.

Further, spring manometer comprises and is transparent or translucent air chamber, the outer surface of air chamber is provided with pressure scale, in air chamber, be provided with fixed end, movable indication end and be arranged at fixed end and movable indication end between spring, fixed end is fixedly connected on one end of air chamber, can slide along the inwall of air chamber in movable indication end under the effect of spring, fixed end is all closely connected with the inwall of air chamber with movable indication end, spring manometer is also provided with for being filled with the suction port of tested gas, tested gas enters in air chamber by suction port, and act on movable indication end near a side of spring.

Further, movable indication end comprises packed-piston and indicator piston, one end linking springs of packed-piston, and indicator piston is fixed in other one end of packed-piston.

Further, packed-piston is bowl-shape packed-piston, and the opening end of packed-piston is towards a side of spring.

Compared with prior art, the application's beneficial effect is:

A kind of from air intake type cylinder described in the application, comprise cylinder barrel, piston and seal ring, piston moves reciprocatingly in cylinder barrel, seal ring is sheathed on piston, piston and cylinder barrel closely cooperate by seal ring, between the moving direction of the axial and piston of seal ring, there is an angle, cylinder barrel is provided with gas outlet, gas outlet is provided with one-way valve, be seal ring and the setting of cylinder barrel relative tilt, when piston pulls out, closed check valve, when piston is pulled out, inner pressure of air cylinder reduces, be less than atmospheric pressure, when being pulled out to seal ring and cylinder barrel, piston has while throwing off on one side, under atmospheric pressure effect, air is easy to enter in cylinder barrel from this disengagement, complete intake process one time, adopt this cylinder from air intake type, there is no air inlet system, the efficiency of cylinder is not subject to the quantitative limitation of air inlet system stream, greatly improved the working efficiency of cylinder, in addition, need not simplify the structure of cylinder as air inlet system is set in prior art in addition on cylinder barrel, take up room little, weight saving.

A kind of described in the application has the above-mentioned air compressor from air intake type cylinder, comprise casing, be installed on the spring manometer on casing and be installed on the compressed air unit in casing, compressed air unit comprise in claim 1 to 8 described in any one from air intake type cylinder, this air compressor adopts from air intake type cylinder and spring manometer, the working efficiency that improves cylinder is exactly the working efficiency that has improved air compressor, when increasing work efficiency, make two large critical pieces of air compressor all adopt simplification setting, weight reduction, reduce volume, make the weight saving of complete machine, smaller volume, make air compressor more miniaturization and portability.

Accompanying drawing explanation

Accompanying drawing is used to provide further understanding of the present application, is used from explanation the application with the application's embodiment one, does not form the restriction to the application, in the accompanying drawings:

Fig. 1 is a kind of structural representation from air intake type cylinder described in the application;

Fig. 2 is the cross-sectional view at A-A place in Fig. 1;

Fig. 3 is a kind of piston structure schematic diagram from air intake type cylinder described in the application;

Fig. 4 is the structural representation of the spring manometer of air compressor described in the application.

In Fig. 1 to Fig. 4, include:

Cylinder 10, piston 11, cylinder barrel 12, seal ring 13, groove 14, gas outlet 15;

Spring manometer 20, air chamber 21, spring 22, movable indication end 23, packed-piston 231, indicator piston 232, fixed end 24;

Mask 30, non-return lid 31, stage clip 32, pressure tap 33, projection 34, protuberance 35.

Embodiment

Below in conjunction with accompanying drawing, the application's preferred embodiment is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the application, and be not used in restriction the application.

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of Portable air compressor described in the application, comprise cylinder 10, cylinder 10 comprises cylinder barrel 12, piston 11 and seal ring 13, and piston 11 moves reciprocatingly in cylinder barrel 12, and seal ring 13 is sheathed on piston 11, piston 11 closely cooperates by seal ring 13 with cylinder barrel 12, between the moving direction of the axial and piston 11 of seal ring 13, have an angle, cylinder barrel 12 is provided with gas outlet 15, and gas outlet 15 is provided with one-way valve.

During use, pull out piston 11, closed check valve now, cylinder 10 is interior in negative pressure state, when being pulled out to seal ring 13 and cylinder barrel 12, piston 11 has while throwing off on one side, under atmospheric pressure effect, air enters cylinder barrel 12 from this, and piston 11 does not depart from completely with cylinder 10, play leading role, piston 11 is pushed to cylinder barrel 12, and when seal ring 13 all enters cylinder barrel 12, piston 11 closely cooperates with cylinder barrel 12, cylinder barrel 12 internal air pressures increase, push one-way valve open, the gas in cylinder barrel 12 is pressed into and is treated in charger, complete once inflation.

Portable air compressor also includes spring manometer 20, and spring manometer 20 is communicated with cylinder 10.For measuring pressure.

As shown in Figure 4, spring manometer comprises and is transparent or translucent air chamber 21, the outer surface of air chamber 21 is provided with pressure scale, in air chamber 21, be provided with fixed end 24, movable indication end 23 and be arranged at fixed end 24 and movable indication end 23 between spring 22, fixed end 24 is fixedly connected on one end of air chamber 21, can slide along the inwall of air chamber 21 in movable indication end 23 under the effect of spring 22, fixed end 24 is all closely connected with the inwall of air chamber 21 with movable indication end 23, spring manometer is also provided with for being filled with the suction port of tested gas, tested gas enters in air chamber 21 by suction port, and act on movable indication end 23 near a side of spring 22.The application's spring manometer, change the complicated indicator dial type pressure gauge of tradition into simple and easy spring manometer 20 that air chamber 21 coordinates spring 22, spring 22 one end are connected and fixed end 24, spring 22 the other end connection activity indication ends 23, when air chamber 21 inflation, air pressure is pushed movable indication end 23 to air chamber 21 away from the direction of fixed end 24, scale value on the 23 indication air chambers 21 of movable indication end shows current force value, this installs, and not only volume is little, lightweight, be applicable to portable equipment, and easy to use, reading is directly perceived, and operator easily grasp.

Movable indication end 23 comprises packed-piston 231 and indicator piston 232, one end linking springs 22 of packed-piston 231, and indicator piston 232 is fixed in other one end of packed-piston 231.Packed-piston 231 is bowl-shape packed-piston 231, and the opening end of packed-piston 231 is towards a side of spring 22.Bowl-shape packed-piston 231 can make gas pressure compress from bowl-like seal piston 231 inside by packed-piston 231 and air chamber 21 inwalls, makes sealability better, and the pressure of side is more accurate.

Piston 11 is provided with the groove 14 coordinating with seal ring 13.Seal ring 13 is connected more firm with piston 11, prevents seal ring 13 displacements.At the bottom of cylinder barrel 12 comprises tin and barrel, middle part, the cylinder end is provided with gas outlet 15.Along piston 11 compression directions, gas outlet 15 is set, is convenient to give vent to anger smooth and easy.Gas outlet 15 is provided with mask 30, and mask 30 inside, gas outlet 15 places are provided with non-return lid 31, between non-return lid 31 and mask 30, is provided with stage clip 32, and stage clip 32 one end are fixed in mask 30 inner bottom surface, and stage clip 32 the other ends are fixed in non-return lid 31.Mask 30 is provided with pressure tap 33, and pressure tap 33 is connected with the pressure instrumentataion of air compressor.The connection mouth of being convenient to treat charger of mask 30, setting and the layout of pressure tap 33.Mask 30 inner bottom surface are provided with projection 34, and stage clip 32 one end are connected in projection 34, and non-return lid 31 is provided with protuberance 35, and stage clip 32 the other ends are connected in protuberance 35.Mask 30 is provided with 33 mouthfuls of pressure measurement, and the suction port of air chamber 21 is communicated with 33 mouthfuls of pressure measurement.One-body molded manufacture mask 30 is convenient in the design of projection 34 and protuberance 35, is convenient to install stable connection.

Finally it should be noted that: the preferred embodiment that these are only the application; be not limited to the application; although the application is had been described in detail with reference to embodiment; for a person skilled in the art; its technological scheme that still can record aforementioned each embodiment is modified; or part technical characteristics is wherein equal to replacement; but all within the application's spirit and principle; any modification of doing, be equal to replacement, improvement etc., within all should being included in the application's protection domain.

Claims (10)

1. one kind from air intake type cylinder, it is characterized in that: comprise cylinder barrel, piston and seal ring, described piston moves reciprocatingly in described cylinder barrel, described seal ring is sheathed on described piston, described piston and described cylinder barrel closely cooperate by described seal ring, between the moving direction of the axial and described piston of described seal ring, have an angle, described cylinder barrel is provided with gas outlet, and described gas outlet is provided with one-way valve.
2. according to claim 1 a kind of from air intake type cylinder, it is characterized in that: described gas outlet is provided with mask, it is inner that described one-way valve is arranged at described mask, described one-way valve comprises non-return lid, described non-return lid covers described gas outlet completely, between described non-return lid and described mask, be provided with stage clip, described stage clip one end is fixed in described mask inner bottom surface, and the described stage clip the other end is fixed in described non-return lid.
3. according to claim 2 a kind of from air intake type cylinder, it is characterized in that: described mask inner bottom surface is provided with projection, described non-return is covered with protuberance, described stage clip one end is connected in described projection, the described stage clip the other end is connected in described protuberance, and described stage clip is pressed on described gas outlet by described non-return lid.
4. according to claim 2 a kind of from air intake type cylinder, it is characterized in that: described mask is provided with pressure tap, described pressure tap is connected with the pressure instrumentataion of air compressor.
5. according to claim 1 a kind of from air intake type cylinder, it is characterized in that: described piston is provided with the groove coordinating with described seal ring.
6. according to claim 1 a kind of from air intake type cylinder, it is characterized in that: at the bottom of described cylinder barrel comprises tin and barrel, described gas outlet is arranged at the described cylinder middle part at the end.
7. an air compressor, is characterized in that: comprise casing, be installed on the spring manometer on described casing and be installed on the compressed air unit in described casing, described compressed air unit comprise in claim 1 to 6 described in any one from air intake type cylinder.
8. a kind of air compressor according to claim 7, it is characterized in that: described spring manometer comprises and is transparent or translucent air chamber, the outer surface of described air chamber is provided with pressure scale, in described air chamber, be provided with fixed end, movable indication end and be arranged at described fixed end and described movable indication end between spring, described fixed end is fixedly connected on one end of described air chamber, can slide along the inwall of described air chamber in described movable indication end under the effect of described spring, described fixed end is all closely connected with the inwall of described air chamber with described movable indication end, described spring manometer is also provided with for being filled with the suction port of tested gas, tested gas enters in air chamber by described suction port, and act on described movable indication end near a side of described spring.
9. a kind of air compressor according to claim 8, is characterized in that: described movable indication end comprises packed-piston and indicator piston, and one end of described packed-piston connects described spring, and described indicator piston is fixed in other one end of described packed-piston.
10. a kind of air compressor according to claim 9, is characterized in that: described packed-piston is bowl-shape packed-piston, and the opening end of described packed-piston is towards a side of described spring.
CN201320534101.8U 2013-08-30 2013-08-30 Self-air-inlet type air cylinder and air compressor with same CN203453007U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320534101.8U CN203453007U (en) 2013-08-30 2013-08-30 Self-air-inlet type air cylinder and air compressor with same

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
CN201320534101.8U CN203453007U (en) 2013-08-30 2013-08-30 Self-air-inlet type air cylinder and air compressor with same
US14/914,107 US20160201660A1 (en) 2013-08-30 2014-06-10 A fluid cylinder
EP14839823.3A EP3039293B1 (en) 2013-08-30 2014-06-10 A fluid cylinder
KR1020157014012A KR101790855B1 (en) 2013-08-30 2014-06-10 A fluid cylinder
PCT/CN2014/079606 WO2015027729A1 (en) 2013-08-30 2014-06-10 A fluid cylinder
PL14839823T PL3039293T3 (en) 2013-08-30 2014-06-10 A fluid cylinder
JP2016537096A JP2016537559A (en) 2013-08-30 2014-06-10 Fluid cylinder
PCT/CN2014/083846 WO2015027802A1 (en) 2013-08-30 2014-08-07 A fluid pressure measuring device
PCT/CN2014/085437 WO2015027940A1 (en) 2013-08-30 2014-08-28 A coupling structure for coupling fluid passage members
US16/355,237 US20190234389A1 (en) 2013-08-30 2019-03-15 Fluid Cylinder

Publications (1)

Publication Number Publication Date
CN203453007U true CN203453007U (en) 2014-02-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320534101.8U CN203453007U (en) 2013-08-30 2013-08-30 Self-air-inlet type air cylinder and air compressor with same

Country Status (1)

Country Link
CN (1) CN203453007U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410704A (en) * 2013-08-30 2013-11-27 东莞瑞柯电子科技股份有限公司 Self-intake type air cylinder and air compressor provided with self-intake type air cylinder
WO2015027802A1 (en) * 2013-08-30 2015-03-05 Dongguan Richtek Electronics Co., Ltd. A fluid pressure measuring device
WO2015027729A1 (en) * 2013-08-30 2015-03-05 Dongguan Richtek Electronics Co., Ltd. A fluid cylinder
WO2017173715A1 (en) * 2016-04-06 2017-10-12 Dongguan Richtek Electronics Co., Ltd. An air compressor, and a self-air-intake piston

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410704A (en) * 2013-08-30 2013-11-27 东莞瑞柯电子科技股份有限公司 Self-intake type air cylinder and air compressor provided with self-intake type air cylinder
WO2015027802A1 (en) * 2013-08-30 2015-03-05 Dongguan Richtek Electronics Co., Ltd. A fluid pressure measuring device
WO2015027729A1 (en) * 2013-08-30 2015-03-05 Dongguan Richtek Electronics Co., Ltd. A fluid cylinder
WO2017173715A1 (en) * 2016-04-06 2017-10-12 Dongguan Richtek Electronics Co., Ltd. An air compressor, and a self-air-intake piston

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