CN205689661U - A kind of double-piston rubber air spring - Google Patents

A kind of double-piston rubber air spring Download PDF

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Publication number
CN205689661U
CN205689661U CN201620445424.3U CN201620445424U CN205689661U CN 205689661 U CN205689661 U CN 205689661U CN 201620445424 U CN201620445424 U CN 201620445424U CN 205689661 U CN205689661 U CN 205689661U
Authority
CN
China
Prior art keywords
dish
piston
air bag
gasbag
double
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201620445424.3U
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Chinese (zh)
Inventor
韩山强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINGDAO SENHAO DAMPING TECHNOLOGY Co Ltd
Original Assignee
QINGDAO SENHAO DAMPING TECHNOLOGY Co Ltd
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 QINGDAO SENHAO DAMPING TECHNOLOGY Co Ltd filed Critical QINGDAO SENHAO DAMPING TECHNOLOGY Co Ltd
Priority to CN201620445424.3U priority Critical patent/CN205689661U/en
Application granted granted Critical
Publication of CN205689661U publication Critical patent/CN205689661U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of double-piston rubber air spring, including spring body, spring body includes air bag, air bag includes air bag cavity, upper gasbag limit dish and lower gasbag limit dish, upper gasbag limit dish is connected by sealing bolt is fixing with upper fastening dish and upper sealing flange, one end of air bag cavity is by upper draw-in groove and upper snap ring and upper piston clamping, upper piston is provided with, with the center of upper fastening dish, the upper valve being connected, upper valve is provided with sealing ring with the junction of upper fastening dish lateral surface, lower gasbag limit dish is connected by sealing bolt is fixing with lower fastening dish and lower seal flange.This double-piston rubber air spring makes spring body during compression, the two ends of air bag all can be compressed simultaneously, substantially reduce the stroke that air bag is compressed and discharges, extend the service life of spring body, reduce use cost, this double-piston rubber air spring simple in construction, good damping effect, service life is long, suitably promotes.

Description

A kind of double-piston rubber air spring
Technical field
This utility model relates to air spring technical field, is specially a kind of double-piston rubber air spring.
Background technology
Operationally, the inner chamber of its air bag is filled with compressed air to air spring, forms a compressed air gas column.Along with shaking The increase of dynamic loading amount, the height reduction of air spring, cavity volume reduces, and the rigidity of air spring increases, inner chamber air column Effective bearing area will strengthen, now air spring bearing capacity increase.And when oscillating load amount reduces, air bullet The height of spring raises, and cavity volume increases the rigidity of air spring and reduces, and the effective bearing area of inner chamber air column reduces, now The bearing capacity of air spring reduces.So, air spring, in effective stroke, the height of air spring, cavity volume, holds With reducing, loading capability there occurs that stable flexible transmission, amplitude restrict with the efficient of shock loads along with being incremented by of oscillating load. But existing air spring compression travel is long, cause air spring short for service life, and partial air spring structure is complicated, manufactures Relatively costly, it is now desired to a kind of new technique scheme solves the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of double-piston rubber air spring, to solve to carry in above-mentioned background technology The problem gone out.
For achieving the above object, this utility model following technical scheme of offer: a kind of double-piston rubber air spring, including Spring body, described spring body includes that air bag, described air bag include air bag cavity, upper gasbag limit dish and lower gasbag limit dish, institute Stating upper gasbag limit dish to be connected by sealing bolt is fixing with upper fastening dish and upper sealing flange, one end of described air bag cavity is passed through Upper draw-in groove and upper snap ring and upper piston clamping, described upper piston is provided with, with the center of upper fastening dish, the upper valve being connected, Described upper valve is provided with sealing ring with the junction of upper fastening dish lateral surface.
Described lower gasbag limit dish is connected by sealing bolt is fixing with lower fastening dish and lower seal flange, described air bag cavity The other end by lower bayonet slot and lower snap ring and lower piston clamping, described lower piston is provided with the center of lower fastening dish and is connected Logical lower valve, described lower valve is provided with lower seal with the junction of lower fastening dish lateral surface.
Preferably, the quantity of described sealing bolt is no less than eight, and is evenly distributed on upper gasbag limit dish and lower gasbag limit On dish.
Preferably, described upper sealing ring and lower seal are made by rubber blanket.
Preferably, the entirety of described upper snap ring and the overall and lower snap ring of upper piston and lower piston is symmetrical L shape.
Compared with prior art, the beneficial effects of the utility model are: this double-piston rubber air spring passes through upper piston With the setting of lower piston, making spring body during compression, the two ends of air bag all can be compressed simultaneously, substantially reduces gas The stroke that capsule is compressed and discharges, extends the service life of spring body, reduces use cost, this double-piston rubber air Spring structure is simple, and good damping effect, service life is long, suitably promotes.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model structure top view.
In figure: 1 spring body, 2 air bags, 3 air bag cavitys, 4 upper gasbag limit dishes, 5 lower gasbag limit dishes, 6 sealing bolts, on 7 Fastening dish, sealing flange on 8, draw-in groove on 9, snap ring on 10,11 upper pistons, valve on 12, sealing ring on 13,14 times fastening dishes, 15 lower seal flanges, 16 lower bayonet slots, 17 times snap rings, 18 lower pistons, 19 times valves, 20 lower seal.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-2, a kind of technical scheme of this utility model offer: a kind of double-piston rubber air spring, including bullet Spring body 1, spring body 1 includes that air bag 2, air bag 2 include air bag cavity 3, upper gasbag limit dish 4 and lower gasbag limit dish 5, upper gasbag Limit dish 4 is fixed by sealing bolt 6 be connected, by by upper sealing strip dish 4 and upper sealing with upper fastening dish 7 and upper sealing flange 8 Flange 8 is fixing to be connected, and is sealed by air bag 2, improves the sealing effectiveness of spring body 1, and the quantity of sealing bolt 6 is no less than eight Individual, and be evenly distributed on upper gasbag limit dish 4 and lower gasbag limit dish 5, one end of air bag cavity 3 is by upper draw-in groove 9 and upper snap ring 10 with upper piston 11 clamping, upper piston 11 is provided with, with the center of upper fastening dish 7, the upper valve 12 being connected, makes air bag 2 energy Being connected with outside by upper valve 12, upper valve 12 is provided with sealing ring 13 with the junction of upper fastening dish 7 lateral surface.
Lower gasbag limit dish 5 is fixed by sealing bolt 6 be connected with lower fastening dish 14 and lower seal flange 15, air bag cavity 3 The other end by lower bayonet slot 16 and lower snap ring 17 and lower piston 18 clamping, by the setting of double-piston, make spring body 1 in pressure During contracting, the two ends of air bag 2 all can be compressed simultaneously, substantially reduces the stroke that air bag 2 is compressed and discharges, extends In the service life of spring body 1, reduce the overall of use cost, upper snap ring 10 and upper piston 11 and lower snap ring 17 and lower piston The entirety of 18 is symmetrical L shape, makes the connection between snap ring 10 and upper piston 11 and lower snap ring 17 and lower piston 18 more Adding closely, lower piston 18 is provided with the lower valve 19 being connected, upper valve 12 and lower valve 19 with the center of lower fastening dish 14 Cooperate, make the gas within air bag 2 to be changed very easily, lower valve 19 and the junction of lower fastening dish 14 lateral surface Being provided with lower seal 20, upper sealing ring 13 and lower seal 20 are made by rubber blanket, upper sealing ring 13 and lower seal 20 Cooperating, the sealing effectiveness making spring body 1 is more preferable, this double-piston rubber air spring simple in construction, and good damping effect makes Use the life-span long, suitably promote.
During use: be filled with compressed air in the air bag cavity 3 of air bag 2, upper gasbag limit dish 4 passes through sealing bolt 6 with upper Fastening dish 7 and upper sealing flange 8 are composed of a fixed connection sealing structure, and lower gasbag limit dish 5 is by sealing bolt 6 and lower fastening dish 14 Being composed of a fixed connection sealing structure with upper sealing flange 8, upper sealing ring 13 and lower seal 20 make the better tightness of air bag 2, During pressurized, upper piston 11 moves downward, and lower piston 18 moves upward, the edgewise bend of air bag 2, and during reset, upper piston 11 is upwards transported Dynamic, lower piston 18 moves downward, and air bag 2 restores to the original state.
Embodiment the most of the present utility model, for the ordinary skill in the art, It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a double-piston rubber air spring, including spring body (1), it is characterised in that: described spring body (1) includes gas Capsule (2), described air bag (2) includes air bag cavity (3), upper gasbag limit dish (4) and lower gasbag limit dish (5), described upper gasbag limit dish (4) it is connected by sealing bolt (6) is fixing with upper fastening dish (7) and upper sealing flange (8), one end of described air bag cavity (3) By upper draw-in groove (9) and upper snap ring (10) and upper piston (11) clamping, described upper piston (11) and the center of upper fastening dish (7) Being provided with the upper valve (12) being connected, described upper valve (12) is provided with upper close with the junction of upper fastening dish (7) lateral surface Seal (13);Described lower gasbag limit dish (5) is fixing with lower fastening dish (14) and lower seal flange (15) even by sealing bolt (6) Connecing, the other end of described air bag cavity (3) is by lower bayonet slot (16) and lower snap ring (17) and lower piston (18) clamping, described lower work Plug (18) is provided with the lower valve (19) being connected, described lower valve (19) and lower fastening dish with the center of lower fastening dish (14) (14) junction of lateral surface is provided with lower seal (20).
A kind of double-piston rubber air spring the most according to claim 1, it is characterised in that: described sealing bolt (6) Quantity is no less than eight, and is evenly distributed on upper gasbag limit dish (4) and lower gasbag limit dish (5).
A kind of double-piston rubber air spring the most according to claim 1, it is characterised in that: described upper sealing ring (13) and Lower seal (20) is made by rubber blanket.
A kind of double-piston rubber air spring the most according to claim 1, it is characterised in that: described upper snap ring (10) and upper Overall and the lower snap ring (17) of piston (11) and the entirety of lower piston (18) are symmetrical L shape.
CN201620445424.3U 2016-05-17 2016-05-17 A kind of double-piston rubber air spring Expired - Fee Related CN205689661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620445424.3U CN205689661U (en) 2016-05-17 2016-05-17 A kind of double-piston rubber air spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620445424.3U CN205689661U (en) 2016-05-17 2016-05-17 A kind of double-piston rubber air spring

Publications (1)

Publication Number Publication Date
CN205689661U true CN205689661U (en) 2016-11-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620445424.3U Expired - Fee Related CN205689661U (en) 2016-05-17 2016-05-17 A kind of double-piston rubber air spring

Country Status (1)

Country Link
CN (1) CN205689661U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397511A (en) * 2018-03-26 2018-08-14 全椒赛德利机械有限公司 A kind of shock-absorption device of engine
CN108890849A (en) * 2018-09-03 2018-11-27 南通恒嘉环保科技有限公司 A kind of filter core encapsulation small side compression apparatus of frame
CN112406110A (en) * 2020-10-29 2021-02-26 中国航空工业集团公司洛阳电光设备研究所 Method for forming air bag for sonobuoy and sealing structure thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108397511A (en) * 2018-03-26 2018-08-14 全椒赛德利机械有限公司 A kind of shock-absorption device of engine
CN108890849A (en) * 2018-09-03 2018-11-27 南通恒嘉环保科技有限公司 A kind of filter core encapsulation small side compression apparatus of frame
CN108890849B (en) * 2018-09-03 2023-08-18 南通恒嘉环保科技有限公司 Little limit hold-down equipment of filter core encapsulation frame
CN112406110A (en) * 2020-10-29 2021-02-26 中国航空工业集团公司洛阳电光设备研究所 Method for forming air bag for sonobuoy and sealing structure thereof
CN112406110B (en) * 2020-10-29 2024-03-19 中国航空工业集团公司洛阳电光设备研究所 Method for molding air bag for sonobuoy and sealing structure thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161116

Termination date: 20190517