CN2187685Y

CN2187685Y - Cylinder improved device for air compressor

Info

Publication number: CN2187685Y
Application number: CN 94200219
Authority: CN
Inventors: 陈启文
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-08
Filing date: 1994-01-08
Publication date: 1995-01-18
Anticipated expiration: 2004-01-08

Abstract

The utility model relates to a cylinder improved device for an air compressor. Primarily, a motor is simultaneously connected with two piston cylinders by a crank shaft, which enables the cylinder improved device for an air compressor to obtain the double-cylinder structure of a single power source, wherein, a cylinder body is fixedly sheathed on a cylinder groove by a rubber ring having the advantages of high-temperature resistance and elasticity; in addition, the exterior margin is provided with a polytetrafluoroethylene ring whose width is just equal to the width of the cylinder groove. When the cylinder is tightly fitted on a cylinder wall, the rubber ring in the cylinder generates elastic efficacy which extends outward to extend to an outer circle. As the polytetrafluoroethylene ring at an outer layer is tightly fitted with the cylinder wall, the cylinder improved device for an air compressor has an inward compression characteristic. Thus, the cylinder ring is guided under the double gravities of outward extension and inward compression is fixed in the cylinder groove to enable the cylinder improved device for an air compressor to normally operate.

Description

Cylinder improved device for air compressor

The utility model is the cylinder of relevant a kind of air compressor, particularly the cylinder improved device of relevant a kind of air compressor.

The close compression ring of the employed cylinder of air compressor (PISTON) is to adopt high temperature resistant, anti abrasive materials such as being similar to teflon to make at present, because the material plasticity of teflon is high and be easy to be installed on the cylinder, so the compressor cylinder of traditional type is the stuck or locked peripheral surface at cylinder with polytetrafluoroethylene ring all, for doing the cylinder ring; So constructional device can be predicted, when the wearing and tearing of teflon cylinder ring promptly cause the small slot of generation between cylinder and cylinder wall, can't closely cooperate again then gas leakage, air pressure can't improve and the phenomenon of air pressure deficiency certainly will take place, this defective must cause the life-span of whole compressor to call off; In addition, the outer shroud of comparatively progressive cylinder is arranged, then on cylinder, set firmly three polytetrafluoroethylene rings, so also just prolong its gas leakage timeliness to the Fourth Ring, can't really make the environment-development of teflon cylinder wave maximum effectiveness, the problem of its gas leakage, air pressure deficiency is still and can't overcomes.

Main purpose of the present utility model is, overcome the drawback of prior art effectively, a kind of cylinder improved device of air compressor of new structure is provided, and its characteristic of utilizing cushion rubber outwards to uphold makes the teflon ring have the effect of filling vacancies in the proper order under wearing and tearing and makes it bring into play maximum value; Cushion rubber and teflon ring with bascule mode suit, are made its maintenance, change and all have convenience, and can prolong the working life of cylinder; Make the teflon ring run up generation lubricity oil and can reduce wear; Adopt single power source twin-rotor housing structure, can reach two effects that go out air pressure, and then it is more sufficient and inflation is quick to use atmospheric pressure.

The purpose of this utility model is realized by following technological scheme.

A kind of cylinder improved device of air compressor, comprise motor, crankshaft, steam-cylinder piston, cylinder, it is characterized in that it mainly is to engage two steam-cylinder pistons by a motor simultaneously by a crankshaft, form the structure that only drives two-piston simultaneously with a motor and a crankshaft, wherein:

Two steam-cylinder pistons connect an all sheathed ball bearing in the axis hole, and be fixed in its bearing on the outrigger shaft of crankshaft, therebetween and with an isolated component it is separated;

And offer a groove at cylinder Pan Waiyuanchu, be inserted in a cushion rubber in this groove earlier; This cushion rubber is for having the resistant to elevated temperatures material of elastic force, and internal diameter is a bit larger tham the diameter of cylinder groove;

At the outer most edge of cylinder groove fit-teflon ring again, its width just equals the upper and lower width of cylinder groove;

Utilize the composition of said structure, can strengthen its aeration speed and inner gas pressure, and after teflon ring or cylinder wall are frayed, still can keep its certain air pressure can not leak gas.

The purpose of this utility model also can further be realized by following technological scheme.

The cylinder improved device of aforesaid air compressor, wherein said cushion rubber and wear-resistant, resistant to elevated temperatures teflon ring with the high temperature resistant material of elastic force, it also can be provided with on cylinder in more than one polytetrafluoroethylene ring snare is located at, and forms more than one cylinder ring structure.

Compared with the prior art the utility model has tangible advantage and good effect.It makes traditional teflon element after the improvement on structure, the device, then can bring into play the value of comprehensive integrity, has also solved the phenomenon of wearing and tearing gas leakage in the future and air pressure deficiency simultaneously.By described embodiment after the technical solution of the utility model and the appearance as can be known, it is with all sheathed cushion rubber and teflon ring in each cylinder groove of single power source twin-rotor housing, utilize outer characteristic of cushion rubber outwards to push the teflon ring, and the teflon ring is because of fitting snugly in the cylinder wall, force the teflon ring inwardly to compress cushion rubber and then fix in the cylinder groove, then cushion rubber is promptly outwards upheld and is forced the teflon ring still can fit snugly in the internal face of cylinder after outer teflon ring is frayed, does not produce the phenomenon of gas leakage and air pressure deficiency.On the structure, it is with the sheathed one elastic force cushion rubber with outer characteristic in the cylinder groove, outer sheathed in addition and cylinder groove are with wide high temperature resistant, anti abrasive teflon ring, the power of utilizing cushion rubber outwards to uphold, can make outer field teflon ring close under the pressure of cylinder wall, and cylinder wall pushes away at outer field teflon ring so that its reaction force is counter, the teflon ring is placed in the cylinder groove, formation has the teflon ring of outer tension force, when the teflon ring weares and teares, owing to have the outer characteristic of opening, solved traditional problem effectively so still can keep air tight phenomenon under the wearing and tearing to a certain degree.Now it is as follows to conclude its advantage:

1, the characteristic of utilizing cushion rubber outwards to uphold makes the teflon ring have the outer characteristic of opening indirectly, in the next effect of filling vacancies in the proper order of wearing and tearing, makes the teflon ring bring into play maximum value.

2,, make its maintenance, replacing all have convenience because cushion rubber and teflon ring all are with bascule mode suit; And under the advantage that is easy to change, make air compressor cylinder working life again row prolong.

3, because teflon ring of the present utility model is to adopt the category that includes NOS2,, can produce the oil of lubricity, have the usefulness that reduces wear so running up down.

4, owing to the utility model is to adopt single power source twin-rotor housing structure, thus under the motivational drive running, can reach pair effect that goes out air pressure, and then make out that atmospheric pressure is more sufficient and inflation is quick.

In sum, the utility model really can reach the effect of expection, and its structure, effect are practicality and progressive innovation, is in fact one to have the new design of novelty, creativeness and practicability.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the integrally-built decomposing schematic representation of the utility model most preferred embodiment.

Fig. 2 is the utility model most preferred embodiment cylinder structure section and action schematic representation.

Fig. 3 is the plane structure schematic appearance of the utility model combination.

Fig. 4 is the utility model cylinder and cylinder wall structure cross-sectional schematic.

Fig. 5 is the local enlarged diagram that Fig. 4 the utility model cylinder and cylinder wall structure are analysed and observe.

Below in conjunction with accompanying drawing to concrete structure, feature and effect according to the cylinder improved device of the air compressor that the utility model proposes, describe in detail as after.

At first see also shown in Figure 1ly, the utility model can be horizontal vertical or vertical type twin-tub structure dual mode in appearance; It engages two steam-cylinder pistons 3 with a motor 1 simultaneously by a crankshaft 2, forms the structure that only drives two-piston 3 with a motor 1 and crankshaft 2 simultaneously; As shown in Figure 3, when crankshaft 2 turns, one piston 3 is last initial point, and 3 in another piston must produce the to-and-fro motion that opposite biconjugate is answered for following initial point, so crankshaft of the present utility model 2 returned under the cycle of circling, promptly causes the effect of discharging air pressure for twice; Therefore, inflationtime can reduce by two/the last one, and helps the effect of air pressure moment reinforcement.

Please continue to consult shown in Figure 1, an all sheathed ball bearing 32 in the connection axis hole 31 of two steam-cylinder pistons 3, and being fixed in ball bearing 32 on the outrigger shaft 21 of crankshaft 2 is separated therebetween and with a pad 22 mutually; As shown in Figure 2, cylinder Pan30Chu offers a groove 301, is inserted in a cushion rubber 4 in this groove 301 earlier, and the inner diameter of this cushion rubber 4 is slightly larger than the diameter of the groove 301 of cylinder, skin overlaps unification polytetrafluoroethylene ring circle 5 again, and the width of this ring 5 just and the groove 301 same width of cylinder; See also Fig. 4, shown in Figure 5, when steam-cylinder piston 3 is inserted in cylinder 10 bodies, it is set in the teflon ring 5 on the steam-cylinder piston 3, because of urging of cylinder wall 101 ordered about inwardly pushing cushion rubber 4 of teflon ring 5, and cushion rubber 4 is outwards pushed because of the elastic force of itself, even teflon ring 5 and tightly close urgent cooperation of cylinder wall 101; In case when teflon ring 5 or cylinder wall 101 were worn, the cushion rubber 4 in it was also because of outside elastic force effect, and forced teflon ring 5 and cylinder wall 101 still can keep closely cooperating, and the phenomenon of unlikely generation gas leakage or air pressure deficiency.

In sum, the cylinder improved device of the utility model air compressor, it is by the teflon ring and has the complementary effect of cushion rubber composite structure of elastic force, can reach with the cylinder wall that weares and teares and keep mated condition closely, it has obvious practicability, and also being the initiative of ware, is the novel designs an of the best in fact.It is worthy of note that the above embodiment proposes explanation at preferred embodiment, and should not be considered as the restriction that the utility model is implemented, all foundations technical spirit of the present utility model and make the mode of execution of other equivalent transformations all must be included in the scope of technical solutions of the utility model.

Claims

1, a kind of cylinder improved device of air compressor, comprise motor, crankshaft, steam-cylinder piston, cylinder, it is characterized in that it mainly is to engage two steam-cylinder pistons by a motor simultaneously by a crankshaft, form the structure that only drives two-piston simultaneously with a motor and a crankshaft, wherein:

2, the cylinder improved device of air compressor according to claim 1, it is characterized in that wherein said cushion rubber and wear-resistant, resistant to elevated temperatures teflon ring with the high temperature resistant material of elastic force, it also can be provided with on cylinder in more than one polytetrafluoroethylene ring snare is located at, and forms more than one cylinder ring structure.