CN103452944B - A kind of vehicle-mounted single-acting cylinder - Google Patents

A kind of vehicle-mounted single-acting cylinder Download PDF

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Publication number
CN103452944B
CN103452944B CN201310372825.1A CN201310372825A CN103452944B CN 103452944 B CN103452944 B CN 103452944B CN 201310372825 A CN201310372825 A CN 201310372825A CN 103452944 B CN103452944 B CN 103452944B
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CN
China
Prior art keywords
cylinder
spring
piston
piston rod
vehicle
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CN201310372825.1A
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Chinese (zh)
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CN103452944A (en
Inventor
孙光锋
陶国良
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浙江亿太诺气动科技有限公司
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Priority to CN201310372825.1A priority Critical patent/CN103452944B/en
Publication of CN103452944A publication Critical patent/CN103452944A/en
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Publication of CN103452944B publication Critical patent/CN103452944B/en

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Abstract

The present invention relates to cylinder technical field, in particular to the vehicle-mounted single-acting cylinder of one, comprise cylinder body, the sealing of described cylinder body one end is provided with fitting seat, the described cylinder body the other end is provided with end cap, slidably piston is provided with in described inner chamber of cylinder block, spring supporting cover is provided with inside described end cap, Returnning spring is provided with between described piston and spring supporting overlap, described end cap and spring supporting cover middle part are inserted with piston rod, piston rod one end is stretched in inner chamber of cylinder block, be fixedly connected with piston, described fitting seat is provided with inlet hole, receiving cavity is provided with outside described piston, described receiving cavity is corresponding with inlet hole to be arranged, low-pressure vent valve is provided with in described receiving cavity, described piston rod is connected to piston one end and is provided with exhaust port, exhaust port one end is communicated with receiving cavity, the exhaust port the other end is communicated with inner chamber of cylinder block, exhaust dust guard is provided with between described spring supporting cover and piston rod.The features such as vibrational power flow of the present invention is reasonable, has energy-conservation, dust-proof and long service life.

Description

A kind of vehicle-mounted single-acting cylinder

Technical field

The present invention relates to cylinder technical field, particularly the vehicle-mounted single-acting cylinder of one.

Background technique

Along with the raising of people's living standard, automobile has become one of essential tool of people's trip.Vehicle-mounted cylinder is one of component indispensable in automobile, and the cylinder being applied in automotive field is at present because of the reason such as vibrational power flow is unreasonable, and in space, the energy, working environment etc. receive serious restriction.If existing vehicle-mounted cylinder is two active cylinders, two ends air inlet, is arranged like this, there is following defect and deficiency: 1, be unfavorable for saving the energy, and fabricating cost is higher; 2, two ends air intake-exhaust, dust-proof effect is not good, has a strong impact on product working life; 3, the general stroke of two active cylinders is longer, is difficult to be adapted to the shorter occasion of stroke, limits application and the application area of product.

Summary of the invention

The object of the invention is to the defect for prior art and deficiency, provide that a kind of vibrational power flow is reasonable, stroke is short, the vehicle-mounted single-acting cylinder of energy-conservation and good dustproof effect.

For achieving the above object, the present invention is by the following technical solutions:

The vehicle-mounted single-acting cylinder of one of the present invention, comprise cylinder body, the sealing of described cylinder body one end is provided with fitting seat, the described cylinder body the other end is provided with end cap, slidably piston is provided with in described inner chamber of cylinder block, spring supporting cover is provided with inside described end cap, Returnning spring is provided with between described piston and spring supporting overlap, described end cap and spring supporting cover middle part are inserted with piston rod, piston rod one end is stretched in inner chamber of cylinder block, be fixedly connected with piston, described fitting seat is provided with inlet hole, receiving cavity is provided with outside described piston, described receiving cavity is corresponding with inlet hole to be arranged, low-pressure vent valve is provided with in described receiving cavity, described piston rod is connected to piston one end and is provided with exhaust port, exhaust port one end is communicated with receiving cavity, the exhaust port the other end is communicated with inner chamber of cylinder block, exhaust dust guard is provided with between described spring supporting cover and piston rod.

Wherein, described low-pressure vent valve comprises the nozzle being fixed at piston rod end, the removable spool be located in receiving cavity, and described poppet head is provided with seal ring B, and described seal ring B is corresponding with nozzle to be arranged, and described spool and nozzle are provided with Compress Spring.

Further, dust-proof bloop is provided with outside described spool.

Wherein, described exhaust dust guard comprises the dust scraping ring be located between spring supporting cover and piston rod, be located at the unidirectional dust-proof film outside dust scraping ring, described spring supporting cover and dust scraping ring form exhaust passage, described unidirectional dust-proof film closes vent passage outlet.

Further, described Returnning spring comprises big spring and little spring, and described little spring is sheathed in big spring, is provided with spring protecting sleeve between described big spring and little spring.

Further, described fitting seat is provided with mounting hole, is equipped with axle sleeve in described mounting hole, is provided with cushion collar between described axle sleeve outer wall and mounting hole inwall.

Further, be fixed with cylinder sheath inside described end cap, described big spring one end is sheathed in cylinder sheath.

Further, described piston outer wall is provided with guidance tape and seal ring A.

Further, O RunddichtringO is provided with between described dust scraping ring and piston rod.

Further, the aluminium base thing fluorine actor playing a supporting role is provided with between described spring supporting cover and piston rod.

Beneficial effect of the present invention is: in terms of existing technologies, fitting seat of the present invention is provided with inlet hole, receiving cavity is provided with outside described piston, described receiving cavity is corresponding with inlet hole to be arranged, be provided with low-pressure vent valve in described receiving cavity, described piston rod is connected to piston one end and is provided with exhaust port, and exhaust port one end is communicated with receiving cavity, the exhaust port the other end is communicated with inner chamber of cylinder block, is provided with exhaust dust guard between described spring supporting cover and piston rod.The present invention adopts one end air inlet to arrange, and under low-pressure state, the other end is given vent to anger, i.e. single-acting cylinder, and it is conducive to saving the energy, and good dustproof effect.

Accompanying drawing explanation

Fig. 1 is broken section structural representation of the present invention;

Fig. 2 is mounting structure schematic diagram of the present invention;

Fig. 3 is sectional structure schematic diagram of the present invention.

In figure:

1, cylinder body; 2, seal ring A; 3, guidance tape; 4, piston;

5, spring protecting sleeve; 6, big spring; 7, cylinder sheath; 8, end cap;

9, spring supporting cover; 10, unidirectional dust-proof film; 11, dust scraping ring; 12, piston rod;

13, O RunddichtringO; 14, the aluminium base thing fluorine actor playing a supporting role; 15, cushion collar; 16, axle sleeve;

17, dust-proof bloop; 18, spool; 19, Compress Spring; 20, seal ring B

21, nozzle; 22, little spring; 23, inlet hole; 24, mounting hole;

25, fitting seat; 26, receiving cavity; 27, exhaust port; 28, exhaust passage.

Embodiment

Below in conjunction with accompanying drawing, the present invention is further illustrated.

As shown in Figure 1 to Figure 3, the vehicle-mounted single-acting cylinder of one of the present invention, comprises cylinder body 1, and the sealing of described cylinder body 1 one end is provided with fitting seat 25, and described cylinder body 1 the other end is provided with end cap 8, and above-mentioned parts form external structure of the present invention.

Slidably be provided with piston 4 in described cylinder body 1 inner chamber, piston 4 outer wall is provided with guidance tape 3 and seal ring A2, plays guiding and seal action.Spring supporting cover 9 is provided with inside described end cap 8, described piston 4 and spring supporting are provided with Returnning spring between overlapping 9, effectively can realize piston 4 to reset, the preferred described Returnning spring of the present invention comprises big spring 6 and little spring 22, and described little spring 22 is sheathed in big spring 6, is provided with spring protecting sleeve 5 between described big spring 6 and little spring 22, cylinder sheath 7 is fixed with inside described end cap 8, described big spring 6 one end is sheathed in cylinder sheath 7, arranges like this, piston 4 can be made to run more steady.Be inserted with piston rod 12 in the middle part of described end cap 8 and spring supporting cover 9, piston rod 12 one end is stretched in cylinder body 1 inner chamber, is fixedly connected with piston 4.Above-mentioned parts form internal structure of the present invention.

Described fitting seat 25 is provided with inlet hole 23, receiving cavity 26 is provided with outside described piston 4, described receiving cavity 26 is corresponding with inlet hole 23 to be arranged, low-pressure vent valve is provided with in described receiving cavity 26, described piston rod 12 is connected to piston 4 one end and is provided with exhaust port 27, exhaust port 27 one end is communicated with receiving cavity 26, exhaust port 27 the other end and cylinder body 1 inner space, is provided with exhaust dust guard between described spring supporting cover 9 and piston rod 12.

Specifically, described low-pressure vent valve comprises the nozzle 21 being fixed at piston rod 12 end, the removable spool 18 be located in receiving cavity 26, and described spool 18 head is provided with seal ring B20, described seal ring B20 is corresponding with nozzle 21 to be arranged, and described spool 18 is provided with Compress Spring 19 with nozzle 21.Dust-proof bloop 17 is provided with, to reach the effect of dust-proof noise reduction outside the preferred described spool 18 of the present invention.

Described exhaust dust guard comprises the dust scraping ring 11 be located between spring supporting cover 9 and piston rod 12, be located at the unidirectional dust-proof film 10 outside dust scraping ring 11, described spring supporting cover 9 and dust scraping ring 11 form exhaust passage 28, and described unidirectional dust-proof film 10 closes vent passage 28 exports.O RunddichtringO 13 is provided with between described dust scraping ring 11 and piston rod 12.The aluminium base thing fluorine actor playing a supporting role 14 is provided with between described spring supporting cover 9 and piston rod 12.Described exhaust dust guard mainly plays exhaust and dust-proof effect.

Described fitting seat 25 is provided with mounting hole 24, is equipped with axle sleeve 16 in described mounting hole 24, is provided with cushion collar 15 between described axle sleeve 16 outer wall and mounting hole 24 inwall.The present invention realizes fixed installation by the cooperation of mounting hole 24 and axle sleeve 16.It should be noted that, fitting seat of the present invention 25 in triangular shape, can mounting hole 24 can angle of swing arbitrarily as fulcrum, while piston 4 can do linear reciprocating motion, constitute connecting rod common in driving mechanism, greatly widen application of the present invention and application area.

Working principle: when using of the present invention, working gas enters the present invention from inlet hole 23, when air pressure is less, low-pressure vent valve is in opening state, working gas is through dust-proof bloop 17, spool 18, nozzle 21 and exhaust port 27 enter cylinder body 1 inner chamber, then discharge outside the present invention through exhaust passage 28 and unidirectional dust-proof film 10.When air pressure is larger, working gas extruding spool 18 moves right, overcome the active force of Compress Spring simultaneously, until seal ring B20 seals nozzle 21, working gas cannot be discharged through exhaust port 27, and now, working gas promotes piston 4 and moves right, the present invention is in running order, and big spring 6 and little spring 22 are in compressive state.Stop when leading to working gas to the present invention, piston 4 resets under the effect of big spring 6 and little spring 22.

The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.

Claims (8)

1. a vehicle-mounted single-acting cylinder, comprise cylinder body (1), the sealing of described cylinder body (1) one end is provided with fitting seat (25), described cylinder body (1) the other end is provided with end cap (8), piston (4) is slidably provided with in described cylinder body (1) inner chamber, described end cap (8) inner side is provided with spring supporting cover (9), Returnning spring is provided with between described piston (4) and spring supporting cover (9), described end cap (8) and spring supporting cover (9) middle part are inserted with piston rod (12), piston rod (12) one end is stretched in cylinder body (1) inner chamber, be fixedly connected with piston (4), it is characterized in that: described fitting seat (25) is provided with inlet hole (23), described piston (4) outside is provided with receiving cavity (26), described receiving cavity (26) is corresponding with inlet hole (23) to be arranged, described receiving cavity is provided with low-pressure vent valve in (26), described piston rod (12) is connected to piston (4) one end and is provided with exhaust port (27), exhaust port (27) one end is communicated with receiving cavity (26), exhaust port (27) the other end and cylinder body (1) inner space, exhaust dust guard is provided with between described spring supporting cover (9) and piston rod (12), described low-pressure vent valve comprises the nozzle (21) being fixed at piston rod (12) end, the removable spool (18) be located in receiving cavity (26), described spool (18) head is provided with seal ring B (20), described seal ring B (20) is corresponding with nozzle (21) to be arranged, and described spool (18) and nozzle (21) are provided with Compress Spring (19), the aluminium base thing fluorine actor playing a supporting role (14) is provided with between described spring supporting cover (9) and piston rod (12).
2. vehicle-mounted single-acting cylinder according to claim 1, is characterized in that: described spool (18) outside is provided with dust-proof bloop (17).
3. according to the arbitrary described vehicle-mounted single-acting cylinder of claim 1-2, it is characterized in that: described exhaust dust guard comprises the dust scraping ring (11) be located between spring supporting cover (9) and piston rod (12), be located at the unidirectional dust-proof film (10) in dust scraping ring (11) outside, described spring supporting cover (9) and dust scraping ring (11) form exhaust passage (28), described unidirectional dust-proof film (10) closes vent passage (28) outlet.
4. vehicle-mounted single-acting cylinder according to claim 3, it is characterized in that: described Returnning spring comprises big spring (6) and little spring (22), described little spring (22) is sheathed in big spring (6), is provided with spring protecting sleeve (5) between described big spring (6) and little spring (22).
5. vehicle-mounted single-acting cylinder according to claim 4, it is characterized in that: described fitting seat (25) is provided with mounting hole (24), be equipped with axle sleeve (16) in described mounting hole (24), between described axle sleeve (16) outer wall and mounting hole (24) inwall, be provided with cushion collar (15).
6. vehicle-mounted single-acting cylinder according to claim 5, is characterized in that: described end cap (8) inner side is fixed with cylinder sheath (7), and described big spring (6) one end is sheathed in cylinder sheath (7).
7. vehicle-mounted single-acting cylinder according to claim 5, is characterized in that: described piston (4) outer wall is provided with guidance tape (3) and seal ring A (2).
8. vehicle-mounted single-acting cylinder according to claim 5, is characterized in that: be provided with O RunddichtringO (13) between described dust scraping ring (11) and piston rod (12).
CN201310372825.1A 2013-08-23 2013-08-23 A kind of vehicle-mounted single-acting cylinder CN103452944B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310372825.1A CN103452944B (en) 2013-08-23 2013-08-23 A kind of vehicle-mounted single-acting cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310372825.1A CN103452944B (en) 2013-08-23 2013-08-23 A kind of vehicle-mounted single-acting cylinder

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CN103452944B true CN103452944B (en) 2016-04-06

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104018256A (en) * 2014-06-20 2014-09-03 苏州铉动三维空间科技有限公司 Rotor spinning bobbin lifting air cylinder
CN105065366B (en) * 2015-09-08 2017-05-17 苏州福艾斯振动系统有限公司 Lifting cylinder
CN105179369A (en) * 2015-11-02 2015-12-23 常州液压成套设备厂有限公司 Automatic retraction oil cylinder
CN105508343A (en) * 2015-12-22 2016-04-20 芜湖恒坤汽车部件有限公司 Damping steering oil cylinder
CN108757630B (en) * 2018-06-19 2019-11-12 中航飞机起落架有限责任公司 A kind of quick-release pressurized strut

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173028B1 (en) * 1984-08-31 1987-10-07 Knorr-Bremse Ag Single acting pneumatic cylinder
CN201401389Y (en) * 2009-04-22 2010-02-10 浙江华昌液压机械有限公司 Single-action hydrocylinder
CN201621129U (en) * 2010-03-04 2010-11-03 合肥市力恒科技有限责任公司 Single-acting plunger type buffering hydraulic oil cylinder
CN202023786U (en) * 2011-04-15 2011-11-02 宁波光华气动工业有限公司 Butterfly valve switch cylinder
CN203488475U (en) * 2013-08-23 2014-03-19 浙江亿太诺气动科技有限公司 Vehicle-mounted single-acting cylinder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173028B1 (en) * 1984-08-31 1987-10-07 Knorr-Bremse Ag Single acting pneumatic cylinder
CN201401389Y (en) * 2009-04-22 2010-02-10 浙江华昌液压机械有限公司 Single-action hydrocylinder
CN201621129U (en) * 2010-03-04 2010-11-03 合肥市力恒科技有限责任公司 Single-acting plunger type buffering hydraulic oil cylinder
CN202023786U (en) * 2011-04-15 2011-11-02 宁波光华气动工业有限公司 Butterfly valve switch cylinder
CN203488475U (en) * 2013-08-23 2014-03-19 浙江亿太诺气动科技有限公司 Vehicle-mounted single-acting cylinder

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