CN201359050Y - Pneumatic control type vehicle damper - Google Patents
Pneumatic control type vehicle damper Download PDFInfo
- Publication number
- CN201359050Y CN201359050Y CNU2009201369624U CN200920136962U CN201359050Y CN 201359050 Y CN201359050 Y CN 201359050Y CN U2009201369624 U CNU2009201369624 U CN U2009201369624U CN 200920136962 U CN200920136962 U CN 200920136962U CN 201359050 Y CN201359050 Y CN 201359050Y
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- Prior art keywords
- lower cover
- cylinder barrel
- piston
- type vehicle
- pneumatic control
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Abstract
The utility model discloses a technology of a pneumatic control type vehicle damper, which overcomes the defects of short service life of a pneumatically controlled part and low reliability of the integral product of the existing product. The pneumatic control type vehicle damper comprises a cylinder barrel and a piston arranged in the cylinder barrel, the upper end and the lower end of the cylinder barrel are respectively screwed with an upper cover and a lower cover by threads, and the upper cover is connected with a hoisting ring; the piston is connected with a piston rod, one end of the piston rod extends out of the central hole of the lower cover; the inner cavity of the lower cover is provided with a sealed element at the position corresponding to the body of the piston rod, the circumferential surface of the lower cover is provided with a radial pneumatic control channel, and the pneumatic control channel is communicated with a pneumatic control room surrounded by the piston, the cylinder barrel and the lower cover by an axial air path arranged on the side wall of the inner cavity of the lower cover; and a damping hole is arranged on the side wall of a damping cavity formed by screwing the upper cover with the cylinder barrel. A copper bush is embedded in the inner circle of the hoisting hole of the hoisting ring. The product has the advantages of compact structure, good reliability, good damping effect and the like, and can meet the mating needs of vehicle production manufacturers.
Description
Technical field
The utility model relates to a kind of vehicle damping parts manufacturing technology, especially refers to utilize air compression to realize the vehicle body fittings product of shock-absorbing function.
Background technique
The technician of automaker knows that generally all power transmission connection sets that are installed between vehicle frame and the vehicle bridge are generically and collectively referred to as suspension, and this suspension comprises three parts such as elastic element, vibration damper and force-transmitting device, plays the transfer function of buffering, damping and power respectively.Early stage vibration damper adopts Steel Spring Plate and spring to realize more, this product damping effect is poor, when rugged road driving, the driver and conductor often will endure the hardship of jolting to the fullest extent, the miscellaneous part of vehicle also very easily is subjected to vibration to cause loosening or wearing and tearing simultaneously, has a strong impact on the Safety performance of vehicle.Afterwards, the Professional visitors has invented a kind of vibration damper product that utilizes pressurized air to realize the damping effect, this type of comparatively typical product such as State Intellectual Property Office are called the utility model patent product of " air bump " in the patent No. of notice of authorization on the 12nd November in 2008 for the ZL200720175860.4 name, it " comprises cylinder barrel, piston rod, piston, piston ring; the upper support seat; upper press cover and seal arrangement; piston is provided with an aperture unidirectional airway and one-way valve less than 0.1cm, inflates to piston top.The cylinder barrel bottom is established an automatic admission valve and is inflated in cylinder, and when the cylinder internal air pressure surpassed a barometric pressure, this valve cut out automatically.This vibration damper has the effect of regulating cushioning ability with the variation of amplitude of vibration automatically." but since during vehicle driving piston to move up and down frequency higher; and unidirectional airway and the one-way valve of aperture less than 0.1cm is installed on the piston of this product; so applicant finds that this product has deficiency in actual applications: the one, unidirectional conduit very easily stops up; the 2nd, the one-way valve life-span is short, thereby reliability of products is reduced greatly.For this reason, people expect to invent a kind of good reliability, long service life, Pneumatic-control type vehicle shock absorber product cheap for manufacturing cost and that damping effect is good comes out, and to make various types of vehicles required to satisfy vehicle production producer.
The model utility content
The technical problems to be solved in the utility model is the gas control parts weak point in working life that overcomes the prior art products existence, defective and the deficiency that the integral product reliability is low, provide a kind of good reliability, long service life, cheap for manufacturing cost and Pneumatic-control type vehicle shock absorber product that damping effect is good to society, to make various types of vehicles required to satisfy vehicle production producer.
The technological scheme that its technical problem that solves the utility model adopts is: the Pneumatic-control type vehicle shock absorber comprises the cylinder cylinder barrel and is located at piston in the cylinder barrel, and two ends are respectively by screw thread spin loam cake and lower cover up and down for described cylinder barrel, and described loam cake connects and hangs suspension ring; Described piston is connected with piston rod, and an end of described piston rod stretches out in outside the described lower cover center hole; Described cover cavity down is provided with Sealing corresponding to the position of the piston rod body of rod, described lower cover circumferential surface is provided with gas control passage radially, and the axial air flue of described gas control passage through being located at described lower cover intracavity sidewall is communicated with the gas control chamber that is surrounded by described piston, cylinder cylinder barrel and lower cover; Described loam cake and the described cylinder barrel damping cavity sidewall that forms that spins mutually is provided with damping hole.
Described suspension suspension ring lifting hole(eyelet) inner ring is embedded copper sheathing.
Described piston circumferential surface is provided with guide ring, and the position, both sides of described guide ring is embedded seal ring respectively.
Described lower cover is provided with sheath away from an end of described cylinder barrel.
The utility model Pneumatic-control type vehicle shock absorber, the gas control passage of described lower cover circumferential surface connects the pressurized air by electromagnetic valve, by regulating the compressed air pressure of electromagnetic valve, can be chosen in the damping sensitivity under the shape of not going the same way.Pressurized air has been offset part by bearing tensile stress between described suspension ring and the described piston-rod lower end outside thread after entering the gas control chamber by gas control passage, axial air flue, has played buffer function; And when described piston upwards moved suddenly, the damping cavity sidewall damping hole between described piston and described loam cake had also played the bumper and absorbing shock effect.Compare than prior art products, this product has plurality of advantages such as compact structure, good reliability, long service life, cheap for manufacturing cost and damping effect be good, and can satisfying vehicle production producer, to make various types of vehicles required.
Description of drawings
Fig. 1 is the utility model product structure schematic representation.
Embodiment
As shown in Figure 1, the utility model Pneumatic-control type vehicle shock absorber comprises cylinder cylinder barrel 5 and the piston of being located in the cylinder barrel 58, two ends are respectively by screw thread spin loam cake 3 and lower cover 17 about in the of 5 for described cylinder barrel, and described loam cake 3 is connected by screw 4 and hangs suspension ring 1, is used for the suspension with vehicle frame.The lifting hole(eyelet) inner ring of described suspension suspension ring 1 is embedded copper sheathing 2, to improve its wear-resisting property.Described piston 8 is connected with piston rod 7, and an end of described piston rod 7 stretches out in outside described lower cover 17 center holes, and its end is provided with outside thread 16, is used for and the fixedlying connected of vehicle bridge.Described lower cover 17 inner chambers are provided with Sealing 15 corresponding to the position of piston rod 7 bodies of rod, described lower cover 17 circumferential surfaces are provided with gas control passage 11 radially, and the axial air flue 12 of described gas control passage 11 through being located at described lower cover 17 intracavity sidewalls is communicated with the gas control chamber A that is surrounded by described piston 8, cylinder cylinder barrel 5 and lower cover 17; Described loam cake 3 and the described cylinder barrel 5 damping cavity B sidewall that forms that spins mutually is provided with damping hole 6.Because vibrations are frequent during vehicle driving, described piston 8 circumferential surfaces are provided with guide ring 10, to reduce the wear area between described piston 8 circumferential surfaces and cylinder barrel 5 inwalls, improve working life.The position, both sides of described guide ring 10 is embedded seal ring 9 respectively, prevents described gas control chamber A gas leakage.Described lower cover 17 is connected with sheath 13 away from an end of described cylinder barrel 5 by screw 14, and is not impaired because of colliding with the outside thread 16 of protecting described piston rod 7.
Continue in conjunction with the accompanying drawings the working principle of summary the utility model product below.As shown in Figure 1, suspension ring 1 of the present utility model are used for the suspension with vehicle frame, and the outside thread 16 of described piston rod 7 lower ends is used for and the fixedlying connected of vehicle bridge, the pressurized air that the gas control passage 11 of described lower cover 17 circumferential surfaces connects by electromagnetic valve.When vehicle driving, bear tensile stress between described suspension ring 1 and the described piston rod 7 lower end outside threads 16, thereby form compression situation described gas control chamber A air.Because gas control passage 11 is connected with pressurized air, this compressed air pressure has formed the negative function to tensile stress after axially air flue 12 is communicated to gas control chamber A again.When vehicle jolts, piston 8 upwards operation suddenly as described, the damping cavity B air between described piston 8 and described loam cake 3 is discharged by damping hole 6, but owing to the less damping that exists in described damping hole 6 apertures, has also played cushioning effect.This product also can be chosen in the damping sensitivity under the shape of not going the same way by regulating the compressed air pressure of electromagnetic valve.
Claims (4)
1, a kind of Pneumatic-control type vehicle shock absorber comprises cylinder cylinder barrel (5) and is located at piston (8) in the cylinder barrel (5), and two ends are respectively by screw thread spin loam cake (3) and lower cover (17) up and down for described cylinder barrel (5), and described loam cake (3) connects suspension suspension ring (1); Described piston (8) is connected with piston rod (7), and an end of described piston rod (7) stretches out in outside described lower cover (17) center hole; Described lower cover (17) inner chamber is provided with Sealing (15) corresponding to the position of piston rod (7) body of rod, it is characterized in that: described lower cover (17) circumferential surface is provided with gas control passage (11) radially, and the axial air flue (12) of described gas control passage (11) through being located at described lower cover (17) intracavity sidewall is communicated with the gas control chamber A that is surrounded by described piston (8), cylinder cylinder barrel (5) and lower cover (17); Described loam cake (3) and described cylinder barrel (5) the damping cavity B sidewall that forms that spins mutually is provided with damping hole (6).
2, Pneumatic-control type vehicle shock absorber according to claim 1, it is characterized in that: described suspension suspension ring (1) lifting hole(eyelet) inner ring is embedded copper sheathing (2).
3, Pneumatic-control type vehicle shock absorber as claimed in claim 1 or 2, it is characterized in that: described piston (8) circumferential surface is provided with guide ring (10), and the position, both sides of described guide ring (10) is embedded seal ring (9) respectively.
4, as Pneumatic-control type vehicle shock absorber as described in the claim 3, it is characterized in that: described lower cover (17) is provided with sheath (13) away from an end of described cylinder barrel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201369624U CN201359050Y (en) | 2009-02-28 | 2009-02-28 | Pneumatic control type vehicle damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201369624U CN201359050Y (en) | 2009-02-28 | 2009-02-28 | Pneumatic control type vehicle damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359050Y true CN201359050Y (en) | 2009-12-09 |
Family
ID=41424814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201369624U Expired - Fee Related CN201359050Y (en) | 2009-02-28 | 2009-02-28 | Pneumatic control type vehicle damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359050Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847592A (en) * | 2015-05-22 | 2015-08-19 | 温州市张衡科技服务有限公司 | Island wind-driven power generator with hoop valve and nickel alloy pistons |
| CN104864018A (en) * | 2015-05-26 | 2015-08-26 | 温州市张衡科技服务有限公司 | Shockproof wind power generation device with union valve aluminum alloy pistons |
| CN104863797A (en) * | 2015-05-22 | 2015-08-26 | 温州市张衡科技服务有限公司 | Offshore wind driven generator adopting welded valve and zinc alloy piston buffering |
-
2009
- 2009-02-28 CN CNU2009201369624U patent/CN201359050Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847592A (en) * | 2015-05-22 | 2015-08-19 | 温州市张衡科技服务有限公司 | Island wind-driven power generator with hoop valve and nickel alloy pistons |
| CN104863797A (en) * | 2015-05-22 | 2015-08-26 | 温州市张衡科技服务有限公司 | Offshore wind driven generator adopting welded valve and zinc alloy piston buffering |
| CN104864018A (en) * | 2015-05-26 | 2015-08-26 | 温州市张衡科技服务有限公司 | Shockproof wind power generation device with union valve aluminum alloy pistons |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Fenghua City Jin Feng Machinery Co., Ltd. Assignor: Du Kaiming Contract record no.: 2010330001051 Denomination of utility model: Pneumatic control type vehicle damper Granted publication date: 20091209 License type: Exclusive License Record date: 20100528 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20100228 |