CN202140498U

CN202140498U - Automobile shock absorber

Info

Publication number: CN202140498U
Application number: CN201120212428U
Authority: CN
Inventors: 吴志强; 王喆; 王桂德; 王克起
Original assignee: TIANJIN HONGFENGTAI AUTOMOBILE REFITTING CO Ltd
Current assignee: TIANJIN HONGFENGTAI AUTOMOBILE REFITTING CO Ltd
Priority date: 2011-06-22
Filing date: 2011-06-22
Publication date: 2012-02-08
Anticipated expiration: 2021-06-22

Abstract

The utility model discloses an automobile shock absorber comprising a sealed outer housing. A valve type oil injection hole and a needle-like exhaust valve are arranged on the sealed outer housing; a piston and a piston rod are arranged in the sealed outer housing; a plurality of discharge holes vertically running through the piston are uniformly distributed on the piston; the upper end of the piston rod is inserted in the top of the sealed outer housing; an elastomer and a netty cover are placed from the bottom up at the bottom in the sealed outer housing; hydraulic oil is filled between the piston and the netty cover; the top end of the piston rod and the bottom end outside the sealed outer housing are respectively provided with a fixing ring; a one-way valve is respectively arranged on each of the discharge holes; and the one-way valves on every two adjacent discharge holes are staggered at the top ends or the bottom ends of the discharge holes. The automobile shock absorber of the utility model is a single-cylinder shock absorber with a fully hydraulic structure, which is simple in structure, free of employing gases, low in cost, stable in performance, safe and practical.

Description

Automobile absorber

Technical field

The utility model relates to a kind of accessory of automobile equipment, relates in particular to a kind of automobile absorber.

Background technique

At present, vibration damper commonly used in the automobile is double-barrel structure (being inner core and urceolus) and adopts high pressure sealing gas, so its structure and production technology more complicated all.Owing to adopted high pressure sealing gas, when piston rod is up and down, be bonded at rod seal place if any harder dust granule; Be prone to make piston rod to cause cut, cause high pressure sealing gas leakage, loss, underpressure; Cause the vibration damper cisco unity malfunction, even scrap.Because gas has and expands with heat and contract with cold, so high pressure sealing gas temperature influence is serious, cost is high, and is fragile, and external characteristics, external force speed responsive ability etc. are all very poor.In addition, fill high pressure sealing gas and need use the special device High Pressure Gun, complicacy is installed, and it is extremely inconvenient to transport such vibration damper,, all can make pressurized gas leak into pistons work chamber inner core, cause damping performance decline like tilt, mistake is inverted etc. as improper operation.Such vibration damper is scrapped processing and is also very bothered, because after scrapping, it remains hazmat, in case be heated, is prone to set off an explosion, and causes the accident.Therefore improve vibration damper structure, production technology, improve the quality of products and Safety performance is the task of top priority.

The model utility content

To above-mentioned existing technology, the utility model provides a kind of automobile absorber, and it is simple in structure, and does not adopt gas, and cost is low, stable performance, safe and practical monotubular, all-hydraulic structural damping device.

In order to solve the problems of the technologies described above; The technological scheme that the utility model is achieved is: comprise the envelope sealed body; Valve formula oil hole and needle-like outlet valve are housed on the said envelope sealed body; Be provided with piston and piston rod in the said envelope sealed body, be evenly equipped with a plurality ofly vertically through the discharge orifice of piston on the said piston, the top of said envelope sealed body is passed in the upper end of said piston rod; Bottom in the said envelope sealed body is put into flexible thing and netted lid from bottom to up; Be full of hydraulic oil between said piston and the said netted lid; The bottom of the top of said piston rod and said envelope sealed external is provided with retaining ring respectively; Be equipped with an one-way valve on each discharge orifice; (discharge orifice is the apical position B place that one-way valve is located at discharge orifice to be arranged on to the position interleaved of the one-way valve on per two adjacent discharge orifices top or the bottom of place discharge orifice; It is the upper surface place of piston; Another discharge orifice then is the A place, bottom that one-way valve is located at discharge orifice, i.e. the lower surface place of piston).

In the utility model automobile absorber, said discharge orifice is that 3-5 is right, and said netted lid is a wire netting, and said elasticity is the powerful rubber of oil resistant, and the material of said piston rod is the chromium plating steel pole, and the material of the good said one-way valve of said piston is a metal.

In the utility model automobile absorber, any in said netted lid chosen from Fe, copper, the aluminum alloy; The internal diameter of said envelope sealed body is that 30-50mm, its height are 2-3mm for 300-500mm, wall thickness; The length of said piston rod is 280-470mm, and its diameter is 10-30mm; The diameter of said piston is 30-50mm, and it highly is 20-25mm; The diameter of said discharge orifice is 2-3mm; The diameter of said one-way valve is 3-4mm, and its thickness is 0.5-1mm; The diameter of said netted lid is 30-50mm, and its thickness is 2-3mm; The diameter of said elasticity is 30-50mm, and its thickness is 40-50mm.

Compared with prior art, the beneficial effect of the utility model is:

It is high, fragile that the utility model has solved the cost of bringing when front shock absorber complex structure, employing high pressure sealing gas, bigger to temperature and operating time length influence, the technical barrier of unstable properties.This automobile absorber adopts monotubular, all-hydraulic structure, and its design is ingenious, and structure and manufacturing process are simple, owing to do not use high pressure sealing gas, receives the influence of temperature and operating time length hardly.Easy to operate, stable performance, safe and practical, not fragile, and for ease of maintenaince, also reduced cost of production simultaneously.This device is applied widely, adapts to the requirement of various frequencies, various pattern, various complicated vibrations.Can be used for automobile shockproof, also can be widely used in other various shockproof fields.Both had an economic benefit, social benefit was arranged again.

Description of drawings

Fig. 1 is the perspective view of the utility model automobile absorber;

Fig. 2 is the sectional view of automobile absorber shown in Figure 1;

Among the figure:

1---envelope sealed body 2---piston rod 3---piston

4---the netted lids of one-way valve 5---discharge orifice 6---

7---elasticity 8---hydraulic oil 9---retaining rings

10---valve formula oil hole 11---needle-like outlet valve 12---elastic seal rings

A---bottom B of the discharge orifice---top of discharge orifice

Embodiment

Below in conjunction with embodiment the utility model is done to describe in further detail.

As shown in Figure 1; The utility model automobile absorber; Comprise envelope sealed body 1, valve formula oil hole 10 and needle-like outlet valve 11 are housed on the said envelope sealed body 1, be provided with piston 3 and piston rod 2 in the said envelope sealed body 1; Be evenly equipped with a plurality ofly vertically through the discharge orifice 5 of piston 3 on the said piston 3, the top of said envelope sealed body 1 is passed in the upper end of said piston rod 2; Bottom in the said envelope sealed body 1 is put into flexible thing 7 and netted lid 6 from bottom to up; Be full of hydraulic oil 8 between said piston 3 and the said netted lid 6; The top of said piston rod 2 and said envelope sealed body 1 outside bottom are provided with retaining ring 9 respectively; Be equipped with an one-way valve 4 on each discharge orifice 5; Be arranged on to the position interleaved of the one-way valve on per two adjacent discharge orifices 5 top or the bottom of place discharge orifice 5; As shown in Figure 2, promptly a discharge orifice 5 is the upper end position B places that one-way valve 4 are located at discharge orifice 5, i.e. the upper surface place of piston; 5 of another discharge orifices are the A places, lower end that one-way valve 4 is located at discharge orifice 5, i.e. the lower surface place of piston.

Embodiment 1:

Discharge orifice 5 in the utility model automobile absorber has 6 (promptly 3 pairs), and the diameter of said discharge orifice 5 is 2mm; The internal diameter of envelope sealed body 1 is that 30mm, its height are 2mm for 300mm, wall thickness; Said one-way valve and said netted lid 6 are all selected iron for use, and the diameter of said one-way valve 4 is 3mm, its thickness 0.5mm; The diameter of said netted lid 6 is 50mm, and its thickness is 3mm; Said elasticity 7 is the powerful rubber of oil resistant, and its diameter is 30mm, and its thickness is 50mm.Said piston 3 is made for steel, and the diameter of said piston 3 is 30mm, and it highly is 20mm; The material of said piston rod 2 is the chromium plating steel pole, and the length of said piston rod 2 is that 280mm, diameter are 10mm;

As shown in Figure 1, the working procedure that the utility model automobile absorber is is:

When piston 3 moved downward, the hydraulic oil 8 of piston 3 bottoms opened the one-way valve 4 at B place, discharge orifice 5 upper end because of the increase that is under pressure in the vibration damper, and hydraulic oil 8 flow into the top of piston 3 through discharge orifice 5 from the bottom of piston 3, simultaneously, piston 3 is produced dampings; At this moment, elasticity 7 is squeezed and shrinks, and also piston 3 is produced damping.

When piston 3 moves upward; The hydraulic oil 8 on the top of piston 3 is because of the increase that is under pressure in the vibration damper; The one-way valve 4 at A place, discharge orifice 5 lower end is opened, and hydraulic oil 8 flow into the bottom of piston 3 through discharge orifice 5 from the top of piston 3, piston 3 is produced dampings; At this moment, elasticity 7 is removed because of pressure and is restored to the original state.

When piston 3 moves downward again, the repetition that said process obtains going round and beginning again.

Embodiment 2:

Discharge orifice 5 in the automobile absorber is 8 (promptly 4 pairs), the diameter 2.5mm of said discharge orifice 5; Diameter in the said envelope sealed body 1 is 40mm, and height is 400mm, and its wall thickness is 2.5mm; Said one-way valve 4 is the ferrous metal net, said one-way valve 4 diameter 3.5mm, thickness 1mm; Said netted lid 6 is an aluminum alloy, and netted lid 6 diameters are 40mm, and thickness is 3mm; Said elasticity 7 is the powerful rubber of oil resistant, and its diameter is 40mm, and thickness is 45mm; Said piston 3 is made for steel, and diameter is 40mm, highly is 22mm; The material of said piston rod 2 is the chromium plating steel pole, and long is 370mm, and diameter is 15mm.Other is with embodiment 1.

Embodiment 3:

Vibration damper discharge orifice 5 is 10 (promptly 5 pairs), discharge orifice 5 diameter 2.5mm; The internal diameter of frame 1 is 50mm, and height is 500mm, and wall thickness is 3mm; Said one-way valve 4 diameter 3.5mm; Said netted lid 6 is a copper product, and its diameter is 50mm, and thickness is 3mm; Said elasticity 7 diameters are 40mm, and thickness is 45mm; Said piston 3 diameters are 50mm, highly are 25mm; Thickness 1mm; Said piston rod 2 length are 470mm, and diameter is 20mm; Other is with embodiment 2.

Although top combination figure is described the utility model; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the utility model.

Claims

1. automobile absorber; Comprise envelope sealed body (1); It is characterized in that: valve formula oil hole (10) and needle-like outlet valve (11) are housed on the said envelope sealed body (1); Be provided with piston (3) and piston rod (2) in the said envelope sealed body (1), be evenly equipped with a plurality ofly vertically through the discharge orifice (5) of piston (3) on the said piston (3), the top of said envelope sealed body (1) is passed in the upper end of said piston rod (2); Bottom in the said envelope sealed body (1) is put into flexible thing (7) and netted lid (6) from bottom to up; Be full of hydraulic oil (8) between said piston (3) and the said netted lid (6); The outside bottom of the top of said piston rod (2) and said envelope sealed body (1) is provided with retaining ring (9) respectively; Be equipped with an one-way valve (4) on each discharge orifice (5), be arranged on to the position interleaved of the one-way valve on per two adjacent discharge orifices (5) top or the bottom of place discharge orifice (5).

2. automobile absorber according to claim 1; It is characterized in that; Said discharge orifice (5) is that 3-5 is right, and said netted lid (6) is a wire netting, and said elasticity (7) is the powerful rubber of oil resistant; The material of said piston rod (2) is the chromium plating steel pole, and the material of said piston (3) and said one-way valve (4) is a metal.

3. automobile absorber according to claim 1 and 2 is characterized in that, any in said netted lid (6) chosen from Fe, copper, the aluminum alloy; The internal diameter of said envelope sealed body (1) is that 30-50mm, its height are 2-3mm for 300-500mm, wall thickness; The length of said piston rod (2) is 280-470mm, and its diameter is 10-30mm; The diameter of said piston (3) is 30-50mm, and it highly is 20-25mm; The diameter of said discharge orifice (5) is 2-3mm; The diameter of said one-way valve (4) is 3-4mm, and its thickness is 0.5-1mm; The diameter of said netted lid (6) is 30-50mm, and its thickness is 2-3mm; The diameter of said elasticity (7) is 30-50mm, and its thickness is 40-50mm.