CN209077016U - Spherical piston gas explosion fountain device - Google Patents

Abstract

The utility model provides a kind of spherical piston gas explosion fountain device, spherical piston gas explosion fountain device includes cylinder body, place spherical piston in the inside of cylinder body, diameter of cylinder expanding reach is formed at the top of cylinder body, exhaust, which is constituted, with spherical piston accelerates annular space, connection reducing pipe is sealed in the upper surface of diameter of cylinder expanding reach, spray head is arranged in the top of reducing pipe；The lower section connection installation equal cylinder pressure of gas distribution of cylinder body, the exhaust end of air inlet pipe extend into the inside of the equal cylinder pressure of gas distribution along the diametrical direction horizontal seal of the equal cylinder pressure of gas distribution, and the bottom wall of one section of air inlet pipe in the equal cylinder pressure of gas distribution opens up the gap air outlet being connected to air inlet tube cavity.Advantage are as follows: the features such as a kind of spherical piston gas explosion fountain device provided by the utility model has simple structure, and requirement on machining accuracy is low, and capacity usage ratio is high, and low cost, failure rate is low, non-maintaining, the service life is long, injection water shape is neat and artistic.

Description

Spherical piston gas explosion fountain device

Technical field

The utility model belongs to gas explosion fountain optimisation technique field, and in particular to a kind of spherical piston gas explosion fountain device.

Background technique

Gas explosion fountain is due to having many advantages, such as that eruption is powerful, water shape is grand, and with loud detonation sound, in current sound It is widely used in happy fountain and water landscape engineering.But due to air water blending in existing gas explosion fountain device, power effect becomes Change acutely, injection water shape is caused to be difficult to control, water column diverging, gassiness whiten.And energy utilization efficiency is lower.

Many units are in view of the above-mentioned problems, selection has developed and is separated high pressure gas with piston with jetting to be painted in the industry Various types of piston type gas explosion devices, and have quite wide engineer application.But utility model people has found in practical applications, There are more problems for such equipment, first is that since structure is complicated, requirement on machining accuracy is high, it is higher so as to cause price；Second is that by Larger in actuating pressure, change in process is very brief acutely, and device easily deforms impaired, seizure of piston, furthermore in the water due to using With silt or other suspended impurities, also easily by the seizure of piston of cooperation precision, so as to cause failure of apparatus.Therefore, existing Piston type gas explosion device there is the deficiencies of price height, high failure rate, high maintenance requirement so that practical engineering application is increasingly It is few.

Utility model content

In view of the defects existing in the prior art, the utility model provides a kind of spherical piston gas explosion fountain device, can be effective It solves the above problems.

The technical solution adopted in the utility model is as follows:

The utility model provides a kind of spherical piston gas explosion fountain device, including cylinder body (5), the inside of the cylinder body (5) It places spherical piston (6), the diameter of the spherical piston (6) is less than the internal diameter of the cylinder body (5)；On the top of the cylinder body (5) Portion forms diameter of cylinder expanding reach (4), and the diameter of the diameter of cylinder expanding reach (4) is greater than the diameter of the cylinder body (5)；Institute The bottom end of the upper surface of diameter of cylinder expanding reach (4) sealing connection reducing pipe (2) is stated, spray head is arranged in the top of the reducing pipe (2) (1)；Wherein, the logical reducing pipe (2) is by direction, internal diameter gradually become smaller from bottom to top；It is equal in logical reducing pipe (2) inner wall Several limit cowling panel (3) for even setting, and each limit cowling panel (3) has the surface pair with the spherical piston (6) The cambered surface answered, when the spherical piston (6) along the cylinder body (5) rise, it is described after the diameter of cylinder expanding reach (4) The top surface of spherical piston (6) is contacted with the cambered surface of each limit cowling panel (3), and the limit cowling panel (3) is to institute at this time It states moving upwards for spherical piston (6) to be limited, the spherical piston (6) moves to top dead centre；When the spherical piston (6) When moving to top dead centre, the side of the spherical piston (6) is placed exactly in the diameter of cylinder expanding reach (4), also, described There are gap between the side of spherical piston (6) and the diameter of cylinder expanding reach (4), which is that exhaust accelerates annular space；

The internal diameter of the lower section connection installation equal cylinder pressure of gas distribution (7) of the cylinder body (5), the equal cylinder pressure of gas distribution (7) is less than institute The internal diameter of cylinder body (5) is stated, meanwhile, the internal diameter of the equal cylinder pressure of gas distribution (7) is less than the overall diameter of the spherical piston (6)；Work as institute It states spherical piston (6) to be placed in the cylinder body (5) and when not by pressure, the spherical piston (6) is located at lower dead center；When described When spherical piston (6) is located at lower dead center, the bottom of the spherical piston (6) is located in the equal cylinder pressure of the gas distribution (7) upper opening, institute The top for stating spherical piston (6) is located in the cylinder body (5)；The sealed bottom of the equal cylinder pressure of gas distribution (7) is equipped with bottom plate (11)；

Air inlet pipe (8) is horizontally disposed, also, the outer diameter of the air inlet pipe (8) is less than the interior of the equal cylinder pressure of the gas distribution (7) Diameter, it is equal that the gas distribution end of the air inlet pipe (8) along the diametrical direction horizontal seal of the equal cylinder pressure of the gas distribution (7) extend into the gas distribution The inside of cylinder pressure (7), and be connected and fixed with the tube wall of the equal cylinder pressure of the gas distribution (7)；The air inlet pipe (8) is located at described spherical living Fill in (6) underface, be located at the equal cylinder pressure of the gas distribution (7) in one section of air inlet pipe (8) bottom wall open up with it is described into The gap air outlet (9) of tracheae (8) inner cavity connection, the gap air outlet (9) open up vertically downward；From the air inlet pipe (8) The horizontal gas of entrance is discharged downward vertically by the gap air outlet (9), after the reflection of the bottom plate (11) upwards Movement, and by being flowed up behind the gap between the air inlet pipe (8) and the equal cylinder pressure of the gas distribution (7), and stepless action in The bottom of the spherical piston (6), pushes the spherical piston (6) to move upwards；

When the spherical piston (6) is located at lower dead center, the cylinder body (5) side wall and with the spherical piston (6) The concordant position in top open up water inlet pipe (12), the water inlet end of the water inlet pipe (12) installs check valve (13).

It preferably, further include reinforcing floor (10)；The reinforcing floor (10) is fixedly installed in the equal cylinder pressure of the gas distribution (7) Outside.

Preferably, the setting quantity of limit cowling panel (3) is 3-4.

Preferably, the height of the diameter of cylinder expanding reach (4) is less than the diameter of the spherical piston (6).

Spherical piston gas explosion fountain device provided by the utility model has the advantage that

A kind of spherical piston gas explosion fountain device provided by the utility model has simple structure, and requirement on machining accuracy is low, The features such as capacity usage ratio is high, and low cost, failure rate is low, non-maintaining, the service life is long, injection water shape is neat and artistic.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the spherical piston provided by the utility model in bottom dead center position；

Fig. 2 is sectional view of the Fig. 1 along A-A；

Fig. 3 is structural schematic diagram of the Fig. 1 along I-I and spherical piston in top dead center position；

Fig. 4 is sectional view of the Fig. 3 along B-B；

Fig. 5 is the sectional view of check valve provided by the utility model；

Fig. 6 is the sectional view of check valve provided by the utility model.

Specific embodiment

The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein Example only to explain the utility model, is not used to limit the utility model.

The utility model provides a kind of spherical piston gas explosion fountain device, eliminates the sealing of piston and cylinder body, does not need The precision-fit of guidance system and piston space greatly simplifies apparatus structure, and processing becomes very simple, significantly reduces and adds Work cost.；

Specifically, spherical piston moves between the intracorporal lower dead center of cylinder and top dead centre in the utility model, such as Fig. 1 institute Show, structural schematic diagram when lower dead center is located at for spherical piston；As shown in figure 3, structure when being located at top dead centre for spherical piston Schematic diagram.Spherical piston gas explosion fountain device includes cylinder body 5, and spherical piston 6, the diameter of spherical piston 6 are placed in the inside of cylinder body 5 Less than the internal diameter of cylinder body 5；Diameter of cylinder expanding reach 4 is formed at the top of cylinder body 5, the diameter of diameter of cylinder expanding reach 4 is greater than cylinder The diameter of body 5；The bottom end of connection reducing pipe 2 is sealed in the upper surface of diameter of cylinder expanding reach 4, spray head is arranged in the top of reducing pipe 2 1；Wherein, lead to reducing pipe 2 by direction, internal diameter gradually become smaller from bottom to top；Several limits are uniformly arranged in logical 2 inner wall of reducing pipe Position cowling panel 3, the setting quantity for limiting cowling panel 3 as a preferred method, is 3-4.Each limit cowling panel 3 have with The corresponding cambered surface in the surface of spherical piston 6, when spherical piston 6 rises along cylinder body 5, after diameter of cylinder expanding reach 4, spherical shape is living The top surface of plug 6 is contacted with the cambered surface of each limit cowling panel 3, is limited cowling panel 3 at this time and is moved upwards progress to spherical piston 6 Limit, spherical piston 6 move to top dead centre；When spherical piston 6 moves to top dead centre, the side of spherical piston 6 is placed exactly in In diameter of cylinder expanding reach 4, also, there are gap between the side of spherical piston 6 and diameter of cylinder expanding reach 4, which is Exhaust accelerates annular space；Wherein, the height of diameter of cylinder expanding reach 4 is less than the diameter of spherical piston 6.

The lower section connection installation equal cylinder pressure 7 of gas distribution of cylinder body 5, the internal diameter of the equal cylinder pressure 7 of gas distribution are less than the internal diameter of cylinder body 5, meanwhile, The internal diameter of the equal cylinder pressure 7 of gas distribution is less than the overall diameter of spherical piston 6；When spherical piston 6 is placed in cylinder body 5 and when not by pressure, Spherical piston 6 is located at lower dead center；When spherical piston 6 is located at lower dead center, the bottom of spherical piston 6 is located on the equal cylinder pressure 7 of gas distribution In opening, the top of spherical piston 6 is located in cylinder body 5；The sealed bottom of the equal cylinder pressure 7 of gas distribution is equipped with bottom plate 11；

Air inlet pipe 8 is horizontally disposed, also, the outer diameter of air inlet pipe 8 is less than the internal diameter of the equal cylinder pressure 7 of gas distribution, the gas distribution of air inlet pipe 8 End extend into the inside of the equal cylinder pressure 7 of gas distribution, and the pipe with the equal cylinder pressure 7 of gas distribution along the diametrical direction horizontal seal of the equal cylinder pressure 7 of gas distribution Wall is connected and fixed；Air inlet pipe 8 is located at the underface of spherical piston 6, at the bottom for one section of air inlet pipe 8 being located in the equal cylinder pressure 7 of gas distribution Wall opens up the gap air outlet 9 being connected to 8 inner cavity of air inlet pipe, and gap air outlet 9 opens up vertically downward；Enter from air inlet pipe 8 Horizontal gas is discharged downward vertically by gap air outlet 9, is moved upwards after the reflection of bottom plate 11, and passes through air inlet pipe 8 Flowed up behind gap between the equal cylinder pressure 7 of gas distribution, and stepless action is in the bottom of spherical piston 6, push spherical piston 6 to Upper movement；

When spherical piston 6 is located at lower dead center, cylinder body 5 side wall and the position concordant with the top of spherical piston 6 open If water inlet pipe 12, the water inlet end of water inlet pipe 12 installs check valve 13.

It is enhancing whole device in the stability maintenance of bottom of pond, further includes reinforcing floor 10；Floor 10 is reinforced to be fixedly mounted In the outside of the equal cylinder pressure 7 of gas distribution.

With reference to Fig. 5 and Fig. 6, the utility model also provides a kind of check valve of special construction, is that a kind of rubber diaphragm is unidirectional Valve, including hollow unidirectional valve body 13.1, unidirectional valve body 13.1 can be steel pipe, to be easy to assembly, can make check valve Ontology 13.1 uses external thread sleeve.The left end of unidirectional valve body 13.1 is fluid inlet end, and right end is fluid outlet；In list Circular cone water hole plate 13.2 is fixedly mounted to the inside of valve body 13.1, circular cone water hole plate 13.2 is rigid plate, for example, circular cone Water hole plate 13.2 is steel plate.

The central axis of the axis of cone of circular cone water hole plate 13.2 and unidirectional valve body 13.1 is arranged, circular cone water hole plate The inner wall at 13.2 edge and unidirectional valve body 13.1 is sealedly and fixedly connected；For example, the edge and list of circular cone water hole plate 13.2 It is welded and fixed to the inner wall of valve body 13.1.

The cone of circular cone water hole plate 13.2 is arranged towards fluid outlet, is arranged in the figure towards right end, it may be assumed that cone Positioned at the right side at cone bottom；The surface of circular cone water hole plate 13.2 is provided with multiple water holes；

In the right end of circular cone water hole plate 13.2, rubber diaphragm 13.3 is set；The edge and check valve sheet of rubber diaphragm 13.3 The inner wall of body 13.1 has gap, be bent rubber diaphragm can freely to the left or to the right；The center of rubber diaphragm 13.3 offers Pilot hole；One end of fixing bolt 13.4 sequentially passes through the pilot hole of rubber diaphragm 13.3 and the cone of circular cone water hole plate 13.2 It after the pilot hole opened up, is fixed using nut check, and then rubber diaphragm 13.3 and circular cone water hole plate 13.2 is fixed to Together；In the present invention, check valve is inlet valve, and when fluid is flowed from left end to right end, the pressure on the left side is greater than the right side Side, therefore, rubber diaphragm 13.3 are bending to the right under differential pressure action, to make the main part of rubber diaphragm 13.3 far from circular cone The water hole of water hole plate 13.2, water hole are not closed out, at this point, after the water hole that water flow passes through circular cone water hole plate 13.2, It is flowed out to the right from the gap between 13.1 inner wall of rubber diaphragm and unidirectional valve body, realizes the function of water inlet；When fluid is from right end When flowing to left end, right atrial pressure is greater than left side, at this point, rubber diaphragm 13.3 is bending to the left under differential pressure action, and closely pastes It is overlying on the right side of circular cone water hole plate 13.2, and then water hole is closed, therefore, water flow cannot flow at this time, realize unidirectional stop Return valve function.

In specific design, need to consider following design factor:

(1) aperture of circular cone water hole plate 13.2 is associated with used rubber diaphragm thickness, needs to guarantee in maximum It is not torn using circular cone water hole plate under pressure, and can reduce orifice plate stress deformation.The circular conical surface of circular cone water hole plate with Rubber diaphragm plane institute angle should be suitable for, generally 0-15 degree.

(2) diameter of rubber diaphragm 13.3 can must cover completely the water hole of circular cone water hole plate 13.2, and be greater than 2 millimeters of water hole outer rim or more.

(3) rubber material of rubber diaphragm should select in hard neoprene or nitrile rubber, can proof strength require and use up It can be able to maintain softness, to reduce overcurrent resistance.

Rubber diaphragm check valve provided by the utility model has following design feature:

(1) the utility model uses the plastic deformation ability of rubber diaphragm, realizes under the action of buffer brake, rubber Diaphragm is fitted closely with circular cone water hole plate, the reliable reverse flow for blocking water flow.Due to being flexible closure, reduce unidirectional The requirement on machining accuracy of each component of valve, can significantly reduce the processing cost of check valve.In addition, use valve plate instead rubber diaphragm, from Fundamentally eliminate the generation of rigid collision.

(2) circular cone water hole plate can improve passability when fluid forward flow in cone, reduce flow resistance.? When reversed cut-off, rubber diaphragm is fitted tightly over the surface of circular cone water hole plate, generates 3 D deformation, stores bullet for positive open Property potential energy.When forward conduction, rubber diaphragm can produce biggish Free Transform, this rubber membrane check valve is made to have biggish overcurrent Ability, i.e. drag losses are smaller.

(3) since this rubber diaphragm check valve is coaxial line symmetrical structure, in addition to the flexible deformation of rubber diaphragm, without motion Component, and agravic influence, so to installation without locality requirement.

(4) rubber diaphragm one-way valve structures are optimized, is connect using thread connecting mode with outer tube, greatly Reduce the size and weight of device, at the same also processing technology is simplified to it is minimum, therefore, compared with common check valve, significantly Reduce installation cost.

Therefore, a kind of rubber diaphragm check valve provided by the utility model has simple structure, and requirement on machining accuracy is low, The features such as energy loss is small, and noise is small, and low cost, failure rate is low, non-maintaining, the service life is long.

The utility model also provides a kind of gas explosion injection method based on spherical piston gas explosion fountain device, including following step It is rapid:

Step 1, spherical piston gas explosion fountain device is dipped in inside pond, and only spray head 1 is exposed to above the water surface；

Step 2, when not spraying water, the intake solenoid valve 14 of air inlet pipe 8 is closed, at this point, spherical piston 6 is located at lower dead center position It sets, since the hydraulic pressure of 12 position of water inlet pipe is greater than the pressure inside cylinder body 5, check valve 13 is opened, and water passes through unidirectional Valve 13 is injected into inside cylinder body 5, is full of inside by cylinder body 5, diameter of cylinder expanding reach 4, reducing pipe 2 and the equal cylinder pressure 7 of gas distribution Water；A small amount of water is injected in air inlet pipe 8；

Then, when being not turned on intake solenoid valve 14, cylinder body 5, diameter of cylinder expanding reach 4, reducing pipe 2 and gas distribution are pressed The state for filling water is constantly in inside cylinder 7；

Step 3, when needing to spray water, open intake solenoid valve 14, via intake solenoid valve 14 inject high pressure gas from Gap air outlet 9 is discharged downward vertically, and therefore, gap air outlet 9 diametrically spreads high pressure gas downwards, the bottom of by Air pressure and gas uniform flow are distributed in the equal cylinder pressure 7 of gas distribution by the reflection of plate 11, and pass through air inlet pipe 8 and the equal cylinder pressure 7 of gas distribution Between gap after flow up, and stepless action pushes spherical piston 6 to move upwards in the bottom of spherical piston 6；

Wherein, when high pressure gas stepless action is when the bottom of spherical piston 6, on the one hand, obtain spherical piston 6 along cylinder The movement initial velocity that body axis moves upwards；On the other hand, since the diameter of spherical piston 6 is less than the diameter of cylinder body 5, Spherical piston 6 generates the ovalizing deflection by intensity and toughness design limitation, and then reduces between 5 inner wall of spherical piston 6 and cylinder body Gap improves the energy utilization of the high pressure gas of high energy efficiency；On the other hand, it is transported upwards in spherical piston 6 along the axis of cylinder body 5 When dynamic, generate the self-stabilization effect of lateral pressure changes in distribution because of rotation in moving fluid using spherical piston 6, make spherical shape There is fluid lubrication with casing wall steadily along cylinder body axial-movement in piston 6, reaching spherical piston gas explosion fountain device can always Expeditiously operation uses low abrasion steadily in the long term；

Wherein, when high pressure gas stepless action is when the bottom of spherical piston 6, since the pressure of cylinder body 5 is greater than water inlet pipe The hydraulic pressure of 12 positions, therefore, check valve 13 remain off；

Step 4, when spherical piston 6 is moved upwards along the axis of cylinder body 5, spherical piston 6 pushes the water in cylinder body 5 to pass through After reducing pipe 2 accelerates, discharged eventually by spray head 1；

When spherical piston 6 is moved to top dead center position when cowling panel 3 contacts is limited, the water in cylinder body 5 is It is basic to project, at this point, the main body due to spherical piston 6 is located in diameter of cylinder expanding reach 4, have with diameter of cylinder expanding reach 4 Larger gap, on the one hand, after pressure-air is by the substantially all release of 5 water of cylinder body, still there is the compressed gas self-spray of residual pressure Mouth high speed discharge forms loud clear-cut explosion, and increases flow section by gap, enhances the detonation sonority of gas；Separately On the one hand, the suspended impurity entered in cylinder body 5 is facilitated to discharge by gap；

Step 5, after spherical piston 6 moves to top dead center position, intake solenoid valve 14 is closed；The height injected in cylinder body 5 Body of calming the anger runs through spray head 1 and discharges；When the hydraulic pressure of 12 position of water inlet pipe is greater than pressure in cylinder body 5, check valve 13 are automatically switched on, and water is injected into inside cylinder body 5 by check valve 13, until by cylinder body 5, diameter of cylinder expanding reach 4, reducing pipe 2 and equal 7 inner filling water of cylinder pressure of gas distribution；Since intake solenoid valve 14 is in off state in air inlet pipe 8, shape in air inlet pipe 8 At enclosure space, only by being connected to inside gap air outlet 9 and cylinder body 5, therefore, a small amount of water is only injected into air inlet pipe 8；And ball Shape piston 6 falls on bottom dead center position down under the effect of gravity；State shown in forming step 2 at this time；

A circulation is consequently formed.

It is provided by the utility model a kind of based on spherical piston gas explosion fountain device, there is following design feature:

(1) it since spherical piston diameter is less than cylinder diameter, and can be rotated in any direction in lifting process, and right The physical action of piston is without influence.Therefore no matter in any position, under any motion state without may be stuck.

It is the spray high-pressure ratio of the utility model, namely right because the solid friction without guide post and sealing surface etc. loses The more general piston gas explosion fountain device of the capacity usage ratio of high pressure gas is high, and because not having mating surface, service life is remote It is longer than general piston gas explosion fountain device.

(2) the utility model generates the certainly steady of lateral pressure changes in distribution using spherical in moving fluid because of rotation Determine effect, makes spherical piston steadily along cylinder body axial-movement, there is fluid lubrication always with casing wall, reach spherical piston gas explosion Fountain apparatus being capable of low abrasion expeditiously operation use steadily in the long term.

(3) to guarantee that high pressure gas is smoothly discharged at a high speed after expansion in cylinder body, setting limit cowling panel, right in reducing pipe Claim the limit cowling panel of arrangement to spherical piston stroke limit；In addition, guarantee spherical piston and reducing pipe there are gas passing gap, Rectified action is played when water flow jet, makes to spray the bright and clean beauty of water type；

Specifically, limit cowling panel not only to spherical piston stroke limit, guarantees that gas is discharged from spout in cylinder body, forms Gas explosion sound；Effectively water flow movement in cylinder body is rectified in addition, having in shower, makes to project water column form more Beauty, the advantages of improving the energy utilization efficiency of pressure-air.

To guarantee that high pressure gas is smoothly discharged at a high speed after expanding in cylinder body, setting limit cowling panel 3, makees in reducing pipe With being that guaranteeing spherical piston 6 and reducing pipe, there are gas passing gaps, while playing rectified action in water flow jet, make to spray water The bright and clean beauty of type,

(4) exhaust is equipped in spherical piston top dead centre range and accelerates annular space, be vented by setting and accelerate annular space, when spherical shape is living When plug moves to upper position-arresting point, gas circulation section is increased, guarantees that gas can be discharged at a high speed to form loud clear-cut explosion, Also the intracorporal impurity of cylinder is discharged simultaneously；

Specifically, the effect of exhaust acceleration annular space is: when spherical piston, which is moved to, to be contacted with limit cowling panel, in cylinder body Water project substantially, be to reduce air-flow by resistance, while the suspended impurity discharge in order to enter in cylinder body, herein By spherical piston and casing wall gap increase, to increase flow section, enhance the detonation sonority of gas.

(5) by gap air outlet, high pressure gas is uniformly distributed in the equal cylinder pressure of gas distribution, first as uniform air distribution Step measure；

Specifically, gap air outlet diametrically spreads high pressure gas downwards, by the reflection of bottom plate by air pressure It is distributed in the equal cylinder pressure of gas distribution with gas uniform flow, the work for the equal cylinder pressure of gas distribution provides preferable primary condition.

(6) it is equipped with the equal cylinder pressure of gas distribution in inferior part of the cylinder block, by the pressure-air imported by air inlet pipe through gap air outlet high speed Air inlet stablize and is pressed, and makes spherical piston bottom surface uniform force, by the equal cylinder pressure of gas distribution, realize to high-voltage high-speed air inlet into Row fluid stable and the effect pressed；

Specifically, the effect of the equal cylinder pressure of gas distribution is: high-voltage high-speed air inlet stablize and is pressed, spherical piston bottom surface is made Uniform force, and the movement initial velocity that spherical piston is moved upwards along cylinder body axis is obtained, meanwhile, it is living in spherical shape in stepless action Under the high pressure gas effect for filling in bottom, so that spherical piston is generated the ovalizing deflection by intensity and toughness design limitation, reduce spherical shape Gap between piston and casing wall improves the energy utilization of the high pressure gas of high energy efficiency.

(7) spray head and cylinder body are connected as the one of same axis by reducing pipe, push away the lesser spherical piston of movement velocity Dynamic water flow reaches higher injection flow velocity by reducing pipe.

In conclusion a kind of spherical piston gas explosion fountain device provided by the utility model and gas explosion injection method, have Simple structure, requirement on machining accuracy is low, and capacity usage ratio is high, and low cost, failure rate is low, non-maintaining, the service life is long, injection water shape is whole The features such as clean beautiful.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching should also regard the protection scope of the utility model.

Claims (4)

1. a kind of spherical piston gas explosion fountain device, which is characterized in that including cylinder body (5), ball is placed in the inside of the cylinder body (5) Shape piston (6), the diameter of the spherical piston (6) are less than the internal diameter of the cylinder body (5)；It is formed at the top of the cylinder body (5) Diameter of cylinder expanding reach (4), the diameter of the diameter of cylinder expanding reach (4) are greater than the diameter of the cylinder body (5)；In the cylinder body Spray head (1) is arranged in the top of the bottom end of the upper surface of raised-diameter segment (4) sealing connection reducing pipe (2), the reducing pipe (2)；Its In, the logical reducing pipe (2) is by direction, internal diameter gradually become smaller from bottom to top；It is uniformly arranged in logical reducing pipe (2) inner wall Several limits cowling panel (3), each limit cowling panel (3) have arc corresponding with the surface of the spherical piston (6) Face, it is described spherical living after the diameter of cylinder expanding reach (4) when the spherical piston (6) rises along the cylinder body (5) The top surface for filling in (6) is contacted with the cambered surface of each limit cowling panel (3), and the limit cowling panel (3) is to the spherical shape at this time Moving upwards for piston (6) is limited, and the spherical piston (6) moves to top dead centre；When the spherical piston (6) moves to When top dead centre, the side of the spherical piston (6) is placed exactly in the diameter of cylinder expanding reach (4), also, described spherical living It fills in there are gap between the side and the diameter of cylinder expanding reach (4) of (6), which is that exhaust accelerates annular space；

The internal diameter of the lower section connection installation equal cylinder pressure of gas distribution (7) of the cylinder body (5), the equal cylinder pressure of gas distribution (7) is less than the cylinder The internal diameter of body (5), meanwhile, the internal diameter of the equal cylinder pressure of gas distribution (7) is less than the overall diameter of the spherical piston (6)；When the ball Shape piston (6) is placed in the cylinder body (5) and when not by pressure, and the spherical piston (6) is located at lower dead center；When the spherical shape When piston (6) is located at lower dead center, the bottom of the spherical piston (6) is located in the equal cylinder pressure of the gas distribution (7) upper opening, the ball The top of shape piston (6) is located in the cylinder body (5)；The sealed bottom of the equal cylinder pressure of gas distribution (7) is equipped with bottom plate (11)；

Air inlet pipe (8) is horizontally disposed, also, the outer diameter of the air inlet pipe (8) is less than the internal diameter of the equal cylinder pressure of the gas distribution (7), institute The gas distribution end for stating air inlet pipe (8) extend into the equal cylinder pressure of the gas distribution along the diametrical direction horizontal seal of the equal cylinder pressure of the gas distribution (7) (7) inside, and be connected and fixed with the tube wall of the equal cylinder pressure of the gas distribution (7)；The air inlet pipe (8) is located at the spherical piston (6) underface opens up and the air inlet in the bottom wall for one section of air inlet pipe (8) being located in the equal cylinder pressure of the gas distribution (7) The gap air outlet (9) of (8) inner cavity connection is managed, the gap air outlet (9) opens up vertically downward；From the air inlet pipe (8) into The horizontal gas entered is discharged downward vertically by the gap air outlet (9), is transported upwards after the reflection of the bottom plate (11) It is dynamic, and by being flowed up behind the gap between the air inlet pipe (8) and the equal cylinder pressure of the gas distribution (7), and stepless action is in institute The bottom for stating spherical piston (6) pushes the spherical piston (6) to move upwards；

When the spherical piston (6) is located at lower dead center, the side wall in the cylinder body (5) and top with the spherical piston (6) The concordant position in portion opens up water inlet pipe (12), and the water inlet end of the water inlet pipe (12) installs check valve (13).

2. spherical piston gas explosion fountain device according to claim 1, which is characterized in that further include reinforcing floor (10)； The outside for reinforcing floor (10) and being fixedly installed in the equal cylinder pressure of the gas distribution (7).

3. spherical piston gas explosion fountain device according to claim 1, which is characterized in that limit cowling panel (3) It is 3-4 that quantity, which is arranged,.

4. spherical piston gas explosion fountain device according to claim 1, which is characterized in that the diameter of cylinder expanding reach (4) height is less than the diameter of the spherical piston (6).