CN205118259U - A fuel tap stops for novel oil spout gleitbretter air compressor - Google Patents

A fuel tap stops for novel oil spout gleitbretter air compressor Download PDF

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Publication number
CN205118259U
CN205118259U CN201520777559.5U CN201520777559U CN205118259U CN 205118259 U CN205118259 U CN 205118259U CN 201520777559 U CN201520777559 U CN 201520777559U CN 205118259 U CN205118259 U CN 205118259U
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China
Prior art keywords
inner chamber
hole
air compressor
fuel tap
valve seat
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CN201520777559.5U
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顾余舜
顾晓宁
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NANJING SHANGAIR MACHINERY MANUFACTURING Co Ltd
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NANJING SHANGAIR MACHINERY MANUFACTURING Co Ltd
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Abstract

The utility model discloses a fuel tap stops for novel oil spout gleitbretter air compressor wherein, is equipped with connecting hole, oil inlet, first inner chamber and disk seat mounting hole from top to bottom on the valve cap in proper order, the inboard upper portion of disk seat is equipped with the top through -hole and leads to oily aperture, the inboard middle part and the inboard bottom of disk seat are equipped with second inner chamber and oil -out respectively, the top through -hole with lead to oily aperture and all communicate with second inner chamber top, disk seat and valve cap cooperation, the top through -hole all communicates with first inner chamber with logical oily aperture, the cover is equipped with elastomeric element on the case, and head to the afterbody of case is arranged in inside first inner chamber, top through -hole and the second inner chamber in proper order. The utility model provides a fuel tap stops for novel oil spout gleitbretter air compressor's simple structure, with low costs, the fault rate is low, can in time close the oil circuit reliably, forms instantaneous high voltage in the time of just can avoiding production " pocketed oil " phenomenon and start, and still can avoid influences the machine performance because of the take -off pressure appearance skew of start -up overflow valve.

Description

A kind of shutdown for Novel spraying cunning air compressor stops fuel tap
Technical field
The utility model relates to slide plate air compressor field, particularly relates to a kind of shutdown for Novel spraying cunning air compressor and stops fuel tap.
Background technique
The working principle of oil spout slide plate air compressor (hereinafter referred to as " slide plate machine ") injection system and structure and fuel injection helical lobe compressor (hereinafter referred to as " screw machine ") duplicate, but because the internal leakage of slide plate machine is less than screw machine, when slide plate machine is shut down, Oil-gas Separation bucket internal pressure can not disappear immediately because of the restriction of discharge conduit, delay 5 ~ 8 seconds, overbottom pressure maintains and continues oil spout; After the distress resolves of Oil-gas Separation bucket inside, the lubricant oil stored in pipeline also can continue slowly to trickle in main frame fuel injection chamber because of Action of Gravity Field, makes to store more lubricant oil in slide plate machine host.This phenomenon is harmless to low and middle-grade screw machine, because low and middle-grade screw machine internal leakage is larger, the lubricant oil stored in main frame during startup is conducive to the lubrication at initial stage when injection pressure is not set up, but the internal leakage of slide plate machine is less, these are stored in the lubricant oil in compression unit, the resistance of start of slide plate machine can be made to increase, produce so-called " pocketed oil " phenomenon, form instantaneous high pressure.
In prior art, slide plate machine all adopts startup relief valve, this startup relief valve take-off during each startup, instantaneous high pressure is discharged, to avoid the excessive vexed car of the resistance of start, but is greater than rated pressure 5 ~ 10% owing to starting the take-off Set pressure of relief valve, once there is skew in this valve release pressure, can machine performance be affected: release pressure is low, can internal leakage be caused, gas production is declined; Release pressure is too high, and machine startup resistance can be made to increase, and wearing and tearing increase, and dangerous.In addition, although external high-grade screw machine many employings solenoid valve stops fuel tap as shutdown, there is the high and problem that rate of fault is high of complex structure, cost in this solenoid valve, can not be applicable in slide plate machine.
Summary of the invention
The technical problems to be solved in the utility model is; for above-mentioned defect of the prior art, provide that a kind of structure is simple, cost is low, failure rate is low, the shutdown for Novel spraying cunning air compressor that can avoiding forming instantaneous high pressure when producing " pocketed oil " phenomenon and start, also the release pressure because starting relief valve can being avoided to occur skew and affecting machine performance stop fuel tap.
The utility model is for solving the problems of the technologies described above, and its technological scheme adopted is as follows:
Shutdown for Novel spraying cunning air compressor stops a fuel tap, comprises bonnet, valve seat and spool;
Bonnet is provided with upper attachment hole, filler opening, the first inner chamber and valve seat mounting hole successively from top to bottom, and upper attachment hole, filler opening, the first inner chamber are communicated with successively with valve seat mounting hole;
The inside upper part of valve seat is provided with top through hole, and is arranged with multiple logical oily aperture outside the through hole of top; The middle inside of valve seat and inside bottom are respectively equipped with the second inner chamber and oil outlet, and the bottom of the second inner chamber is communicated with oil outlet, and top through hole is all communicated with the top of the second inner chamber with logical oily aperture;
Valve seat is coordinated with bonnet by valve seat mounting hole, and top through hole with lead to oily aperture all with the first inner space; Valve core upper sleeve is provided with elastic member, and the head of spool to afterbody is placed in the first inner chamber, top through hole and the second inner cavity successively.
The described shutdown for Novel spraying cunning air compressor stops fuel tap and comprises bonnet, valve seat and spool, and valve seat is coordinated with bonnet by valve seat mounting hole, top through hole with lead to oily aperture all with the first inner space; Valve core upper sleeve is provided with elastic member; and the head of spool to afterbody is placed in the first inner chamber, top through hole and the second inner cavity respectively; it can thus be appreciated that; such design enormously simplify the structure that the described shutdown for Novel spraying cunning air compressor stops fuel tap; its manufacture cost also significantly reduces, and also has the advantage of failure rate is low.
In technological scheme described in the utility model, seat bottom portion is connected with the rear end cover of oil spout slide plate air compressor, and oil outlet is communicated with the fuel injection chamber of this oil spout slide plate air compressor; Bonnet top is communicated with the oil outlet of oil strainer by above-mentioned upper attachment hole; Valve core upper sleeve is provided with elastic member, this elastic member promotes spool moves, spool is made to block the filler opening of bonnet, when the lubricant oil gauge pressure from oil strainer is 0 (oil spout slide plate air compressor main machine is in outage state), spool closes the filler opening of bonnet under the effect of elastic member, cuts off oil circuit; When the lubricant oil from oil strainer has pressure (start running state); oil pressure pushes spool open; the described shutdown for Novel spraying cunning air compressor stops fuel tap and is opened, and pressure lubrication oil flows out from the oil outlet of above-mentioned valve seat, to this oil spout slide plate air compressor main machine fuel feeding.It can thus be appreciated that; shutdown for Novel spraying cunning air compressor described in the utility model stops fuel tap and can reliably be closed in time by oil circuit; avoid forming instantaneous high pressure when producing " pocketed oil " phenomenon and start; also the release pressure because starting relief valve can be avoided to occur skew and affect machine performance, can automatic development oil circuit when starting shooting.
Improve as to the one of technological scheme described in the utility model, above-mentioned first inner chamber is provided with flanged ring with the part that is communicated with of filler opening.First inner chamber upper flange ring can play the sealing effect strengthened between spool and filler opening.
Improve as to the one of technological scheme described in the utility model, above-mentioned spool comprise poppet head and with the little axle of spool be connected bottom this poppet head;
Poppet head is placed in the first inner cavity, and the little axle of spool is located in top through hole and the second inner cavity successively.
Further, the central small hole that above-mentioned top through hole comprises counterbore and is communicated with this counterbore base, and the internal diameter of this counterbore is greater than the internal diameter of central small hole, and central small hole is all communicated with the top of the second inner chamber with logical oily aperture;
The little axle of above-mentioned spool is located in counterbore, central small hole and the second inner cavity successively, and above-mentioned elastic member is placed in counterbore inside, and the top of this elastic member and bottom push against with the bottom of poppet head and the inside bottom of counterbore respectively.
In technological scheme described in the utility model; the central small hole that top through hole comprises counterbore and is communicated with this counterbore base; and the internal diameter of this counterbore is greater than the internal diameter of central small hole; such design can make poppet head and the little axle of spool respectively and to be formed between counterbore inwall and central small hole inwall to be slidably matched; ensure that the little axle of spool can move up and down, stopping fuel tap for the shutdown of Novel spraying cunning air compressor described in further ensuring can reliably close oil circuit in time.
Further, above-mentioned poppet head is in " mushroom " shape, and this poppet head is streamline curved surface.
In technological scheme described in the utility model, by the design of this poppet head in streamline curved surface, substantially reduce flow resistance when spool moves up and down and between counterbore inwall and central small hole inwall.
Further, the internal diameter of above-mentioned first inner chamber is greater than the maximum outside diameter of poppet head.The internal diameter of the first inner chamber is designed to the maximum outside diameter being greater than poppet head, such design makes the first inner chamber to hold poppet head, and can also ensure that poppet head periphery has the logical oily space of enough sizes, lubricant oil can be flowed into logical oily aperture from the first inner chamber.
Further, the outer surface of above-mentioned poppet head is provided with circular groove, and is embedded with the first seal ring in this circular groove.This first seal ring the sealing effect that can strengthen to a certain extent between poppet head and above-mentioned flanged ring is set.
In addition, in technological scheme described in the utility model, to be allly not specifically noted, all by adopting the routine techniques means in related domain to realize the technical program.
Therefore; the structure that the shutdown for Novel spraying cunning air compressor that the utility model provides stops fuel tap is simple; cost is low; failure rate is low; reliably oil circuit can be closed in time; and can avoid forming instantaneous high pressure when producing " pocketed oil " phenomenon and start, the release pressure because starting relief valve also can be avoided to occur skew and affect machine performance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation stopping fuel tap in the present embodiment for the shutdown of Novel spraying cunning air compressor;
Fig. 2 be in Fig. 1 A-A to sectional drawing;
Fig. 3 is the structural representation of bonnet;
Fig. 4 is the structural representation of valve seat;
Fig. 5 is the structural representation of spool;
Now by as follows for the label declaration in accompanying drawing: 1 is bonnet, 1.1 is upper attachment hole, 1.2 is filler opening, 1.3 is the first inner chamber, 1.4 is valve seat mounting hole, 1.5 is flanged ring, 1.6 is the first internal thread, 1.7 is the second internal thread, 2 is valve seat, 2.1 is logical oily aperture, 2.2 is the second inner chamber, 2.3 is oil outlet, 2.4 is counterbore, aperture centered by 2.5, 2.6 is the first outside thread, 2.7 is the second outside thread, 3 is spool, 3.1 is poppet head, 3.2 is the little axle of spool, 4 is elastic member, 5 is the first seal ring, 6 is the second seal ring, 7 is the 3rd seal ring.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In the utility model preferred embodiment, a kind of shutdown for Novel spraying cunning air compressor stops fuel tap, as shown in Figure 1, comprises bonnet 1, valve seat 2 and spool 3.
As shown in Figure 3, above-mentioned bonnet 1 is provided with upper attachment hole 1.1, filler opening 1.2, first inner chamber 1.3 and valve seat mounting hole 1.4 successively from top to bottom, and attachment hole 1.1, filler opening 1.2, first inner chamber 1.3 are communicated with successively with valve seat mounting hole 1.4 on this, and this first inner chamber 1.3 is provided with flanged ring 1.5 with the part that is communicated with of filler opening 1.2.
As shown in Figure 4, the inside upper part of above-mentioned valve seat 2 is provided with top through hole, and as shown in Figure 2, this through hole periphery, top is evenly provided with multiple logical oily aperture 2.1, and this top through hole comprise counterbore 2.4 and with the central small hole 2.5 be communicated with bottom this counterbore 2.4, and the internal diameter of this counterbore 2.4 is greater than the internal diameter of central small hole 2.5; The middle inside of this valve seat 2 and inside bottom are respectively equipped with the second inner chamber 2.2 and oil outlet 2.3, and the bottom of this second inner chamber 2.2 is communicated with oil outlet 2.3, and central small hole 2.5 is all communicated with the top of the second inner chamber 2.2 with multiple logical oily aperture 2.1.
As shown in Figure 5, above-mentioned spool 3 comprise poppet head 3.1 and with the little axle 3.2 of spool be connected bottom this poppet head 3.1; Wherein, this poppet head 3.1 is in " mushroom " shape, and this poppet head 3.1 is in streamline curved surface; In addition, the outer surface of this poppet head 3.1 is provided with circular groove, and is embedded with the first seal ring 5 in this circular groove.
Again as shown in Figure 1, above-mentioned valve seat 2 is coordinated with bonnet 1 by valve seat mounting hole 1.4, be specially: the inner surface of this valve seat mounting hole 1.4 is provided with the first internal thread 1.6, valve seat 2 top outer surface is provided with the second outside thread 2.7 coordinated with this first internal thread 1.6, the setting of this first internal thread 1.6 and the second outside thread 2.7, facilitates between valve seat 2 and bonnet 1 and closely cooperates; In addition, this valve seat 2 coordinates part to be provided with the second seal ring 6 with bonnet 1, and this second seal ring 6 mainly plays and strengthens valve seat 2 and the sealing effect coordinated between bonnet 1; Above-mentioned counterbore 2.4 is all communicated with above-mentioned first inner chamber 1.3 with multiple logical oily aperture 2.1; It is inner that above-mentioned poppet head 3.1 is placed in the first inner chamber 1.3, and the internal diameter of this first inner chamber 1.3 is greater than the maximum outside diameter of poppet head 3.1, and the little axle 3.2 of this spool be arranged with elastic member 4 and be located in counterbore 2.4, central small hole 2.5 and the second inner chamber 2.2 inside successively, wherein, it is inner that this elastic member 4 is placed in counterbore 2.4, and the top of this elastic member 4 and bottom push against with the bottom of poppet head 3.1 and the inside bottom of counterbore 2.4 respectively.
In the present embodiment, above-mentioned valve seat 2 bottom outside surface is provided with the first outside thread 2.6 and is placed in the 3rd seal ring 7 of this first outside thread 2.6 top position, be connected by the rear end cover of the first outside thread 2.6 with the oil spout slide plate air compressor separately established bottom this valve seat 2, and above-mentioned oil outlet 2.3 is communicated with the fuel injection chamber of oil spout slide plate air compressor; Wherein, 3rd seal ring 7 mainly plays and strengthens bottom valve seat 2 and the sealing effect be connected between the rear end cover of oil spout slide plate air compressor, the setting party of the first outside thread 2.6 assembling bottom valve seat 2 and between the rear end cover of oil spout slide plate air compressor.
The inner surface of above-mentioned upper attachment hole 1.1 is provided with the second internal thread 1.7, and bonnet 1 is communicated with the oil outlet of the oil strainer separately established by this second internal thread 1.7; Wherein, the second internal thread 1.7 setting party connection between bonnet 1 and oil strainer.
In the present embodiment, above-mentioned elastic member 4 is spring.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.

Claims (7)

1. the shutdown for Novel spraying cunning air compressor stops a fuel tap, it is characterized in that, comprises bonnet (1), valve seat (2) and spool (3);
Described bonnet (1) is provided with upper attachment hole (1.1), filler opening (1.2), the first inner chamber (1.3) and valve seat mounting hole (1.4) successively from top to bottom, and described upper attachment hole (1.1), filler opening (1.2), the first inner chamber (1.3) are communicated with successively with valve seat mounting hole (1.4);
The inside upper part of described valve seat (2) is provided with top through hole, and is arranged with multiple logical oily aperture (2.1) outside the through hole of described top; The middle inside of described valve seat (2) and inside bottom are respectively equipped with the second inner chamber (2.2) and oil outlet (2.3), and the bottom of described second inner chamber (2.2) is communicated with oil outlet (2.3), and described top through hole is all communicated with the top of described second inner chamber (2.2) with logical oily aperture (2.1);
Described valve seat (2) is coordinated with described bonnet (1) by valve seat mounting hole (1.4), and described top through hole is all communicated with described first inner chamber (1.3) with logical oily aperture (2.1); Described spool (3) is arranged with elastic member (4), and the head of described spool (3) to afterbody is placed in described first inner chamber (1.3), top through hole and the second inner chamber (2.2) inside successively.
2. the shutdown for Novel spraying cunning air compressor according to claim 1 stops fuel tap, it is characterized in that, described first inner chamber (1.3) is upper is provided with flanged ring (1.5) with the part that is communicated with of filler opening (1.2).
3. the shutdown for Novel spraying cunning air compressor according to claim 1 stops fuel tap, it is characterized in that, the little axle of spool (3.2) that described spool (3) comprises poppet head (3.1) and is connected with described poppet head (3.1) bottom;
It is inner that described poppet head (3.1) is placed in the first inner chamber (1.3), and the little axle of described spool (3.2) is located in described top through hole successively and the second inner chamber (2.2) is inner.
4. the shutdown for Novel spraying cunning air compressor according to claim 3 stops fuel tap, it is characterized in that, the central small hole (2.5) that described top through hole comprises counterbore (2.4) and is communicated with described counterbore (2.4) bottom, and the internal diameter of described counterbore (2.4) is greater than the internal diameter of described central small hole (2.5), and described central small hole (2.5) is all communicated with the top of described second inner chamber (2.2) with logical oily aperture (2.1);
It is inner that the little axle of described spool (3.2) is located in described counterbore (2.4), central small hole (2.5) and the second inner chamber (2.2) successively, and described elastic member (4) is placed in described counterbore (2.4) inside, and the top of described elastic member (4) and bottom push against with the bottom of described poppet head (3.1) and the inside bottom of counterbore (2.4) respectively.
5. the shutdown for Novel spraying cunning air compressor according to claim 3 or 4 stops fuel tap, it is characterized in that, described poppet head (3.1) is in streamline curved surface.
6. the shutdown for Novel spraying cunning air compressor according to claim 5 stops fuel tap, it is characterized in that, the internal diameter of described first inner chamber (1.3) is greater than the maximum outside diameter of described poppet head (3.1).
7. the shutdown for Novel spraying cunning air compressor according to claim 5 stops fuel tap, and it is characterized in that, the outer surface of described poppet head (3.1) is provided with circular groove, and is embedded with the first seal ring (5) in described circular groove.
CN201520777559.5U 2015-10-09 2015-10-09 A fuel tap stops for novel oil spout gleitbretter air compressor Active CN205118259U (en)

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Application Number Priority Date Filing Date Title
CN201520777559.5U CN205118259U (en) 2015-10-09 2015-10-09 A fuel tap stops for novel oil spout gleitbretter air compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520777559.5U CN205118259U (en) 2015-10-09 2015-10-09 A fuel tap stops for novel oil spout gleitbretter air compressor

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CN205118259U true CN205118259U (en) 2016-03-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704603A (en) * 2017-01-23 2017-05-24 璟泰(清远)橡胶工业有限公司 Oil valve of fuel tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106704603A (en) * 2017-01-23 2017-05-24 璟泰(清远)橡胶工业有限公司 Oil valve of fuel tank

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