There is sliding conical bearing and be beneficial to the liquid that liquid provides and provide device
Technical field
The present invention relates to a kind of device utilizing air pressure to provide liquid, relate more particularly to a kind of air pressure that utilizes automatically can removing floccule and provide the device of liquid.
Background technology
The device utilizing air pressure to provide liquid safeguards and widely used a kind of equipment spraying liquid in industry in agricultural, greenery patches.Air pressure is utilized to provide the water quality of the use of the device of liquid different according to the difference at water source, therefore, in order to prevent the device utilizing air pressure to provide liquid from normally being run by the impurity effect in liquid, often there is filtration at the end utilizing air pressure to provide the liquid sucking tube road of the device of liquid.
But, due to the suction that the device utilizing air pressure to provide liquid is operationally formed, a large amount of impurity absorption in the environs easily liquid being provided pipe end; And the impurity of some floccule just rests on the filter structure place that liquid provides pipe end; In the course of time, these cotton-shaped impurity are more long-pending thicker, can have an impact to the liquid properties of entering that liquid provides pipeline, and impact simultaneously utilize air pressure to provide the device of liquid go out amount of liquid, and then waste power, impact uses; More seriously, the actuating unit utilizing air pressure to provide the device of liquid can be caused to occur overload and cause equipment Risk.
The more existing removing utilizing air pressure to provide the cotton-shaped impurity of filter of the input duct end of the device of liquid generally relies on manually to be carried out.Because the existing device water quality utilizing air pressure to provide liquid has requirement, even if the device utilizing air pressure to provide liquid applied under the occasion that impurity is more also can shift out termly from drawing liquid body fluid body source clean, thus this problem still can be born.But, in some cases, the maintenance of such as urban lawn, the device utilizing air pressure to provide liquid needs from some reserve liquid body source draw liquid stream, these reserve liquid body sources are such as the rainwater, the even undressed rainwash water of middle water that reclaim, and these appliance arrangements utilizing air pressure to provide liquid do not have the condition of regularly carrying out manual maintenance, therefore, the normal operation under this situation, the removing of impurity being provided to the device of liquid with utility air pressure just has active demand.
Summary of the invention
The object of this invention is to provide a kind of air pressure that utilizes utilizing air pressure to provide the cotton-shaped impurity screening of device feed tube end of liquid of can automatically removing and provide the apparatus system of liquid, it does not need to provide independent power source, and automatically according to specific needs cotton-shaped impurity is removed, or prevent the attachment of cotton-shaped impurity.
The technical solution used in the present invention is as follows:
The air pressure that utilizes that a kind of radial direction with sliding conical bearing and the radial elongate slot of band extends connecting portion provides the device of liquid, comprise pressure air feedway, pressure chamber, pressure feed pipe, liquid provides pipeline and draws filter, wherein, described pressure air feedway is used for by pressure feed pipe for pressure chamber provides pressure, described pressure chamber can pressurize to the liquid in pressure chamber and provide pipeline by liquid and send, the described filter that draws is arranged on the medial extremity that liquid provides pipeline, described liquid is filtered from during pressure chamber's draw liquid for providing pipeline at described liquid, the outboard end that liquid provides pipeline sends liquid for flowing, the top of described pressure chamber is provided with liquid inlet.
Describedly draw that filter comprises atmospheric communicating pipe, pressure enters pipe and magnetic valve, the first end of described atmospheric communicating pipe stretches out outside pressure chamber and is communicated with air, the first end that described pressure enters pipe in pressure chamber for being communicated with the air of the supercharging in pressure chamber.
The described filter that draws also comprises rotatable parts and fixed part, wherein, fixed part comprises cylindrical barrel portion and fixed mount portion, the upper end of cylindrical barrel portion is closed, underpart opening, fixed mount portion is the annular frame with space, and the described inside portion in fixed mount portion is fixedly connected with the periphery of the upper end of cylindrical barrel portion, and the medial extremity that the outside portion in fixed mount portion and described liquid provide pipeline is fixedly connected with, thus, fixed part is fixed to liquid and provides pipeline.
Rotatable parts comprise central shaft, bottom lock disk, radial extension connecting portion and rotation and stir part, the upper end of central shaft is tightly connected rotationally by the upper end of conical bearing and described cylindrical barrel portion, and the upper end of central shaft is also provided with locking nut, described locking nut can against described conical bearing by the upwards tractive locking of described central shaft; The lower end of described central shaft is fixedly connected with the center of bottom lock disk, the excircle position of the upper surface of described bottom lock disk to be sealed rotationally with the bottom of cylindrical barrel portion by sealing strip and contacts, thus, described bottom lock disk and described cylindrical barrel portion can surround the chamber being formed and have sealing; The inner side that periphery and the radial direction of the outer circumference portion of described bottom lock disk extend connecting portion is fixedly connected with, the outside that described radial direction extends connecting portion is fixedly connected with the lower end that part is stirred in rotation, the upper end that part is stirred in described rotation is connected by thrust bearing with the medial extremity that described liquid provides pipeline, described rotation is stirred the periphery of part and the radial outside extending connecting portion and is provided with and stirs bar, described in stir bar can avoid in liquid cotton-shaped impurity attachment when rotating; Part is stirred in described rotation, radial extension in connecting portion and fixed mount portion is provided with the passage flowed through for liquid; Wherein, described conical bearing comprises outer sleeve and inner sleeve, and the outer surface of described outer sleeve is cone shape, inner surface is also cone shape, the outer surface of described inner sleeve is cone shape, and inner surface is cylindrical shape, and described cylindrical shape is used for passing for central shaft around formation cylindrical hole; The slidingsurface with lubricity is formed between the outer surface of the inner surface of the cone shape of described outer sleeve and the cone shape of described inner sleeve; Radial extension connecting portion is toroidal, and is evenly distributed with elongate slot in a circumferential direction, is used as the passage flow through that supplies water; The edge, long limit that two of described elongate slot are relative is the radial direction pointing to the center of circle.
Described central shaft is fixedly installed at two diametrically relative rotating vanes along its axial direction, and the inside of described cylindrical barrel portion is fixedly installed at two diametrically relative fixed blades in their longitudinal direction, central shaft to be arranged between described two fixed blades and to be tightly connected rotationally with it, thus, the inner space of described cylindrical barrel portion is divided into four sealing sectors by two fixed blades and two rotating vanes.
First entrance of the second end and magnetic valve that pressure enters pipe is communicated with, second entrance of magnetic valve is connected with the second end of described atmospheric communicating pipe, first outlet of magnetic valve is connected with the first export pipeline, first export pipeline is divided into the first outlet branch road A and first outlet branch road B, and the first outlet branch road A seals in sector with described four respectively with the first outlet branch road B and is communicated with in two diametrically relative sectors; Second outlet of magnetic valve is connected with the second export pipeline, second export pipeline is divided into the second outlet branch road A and second outlet branch road B, and the second outlet branch road A seals in sector with described four respectively with the second outlet branch road B and is communicated with in two other diametrically relative sector; Magnetic valve comprises two duties, in the first operative state, and the first entrance and the first outlet, the second entrance and the second outlet; In a second operative state, the first entrance and the second outlet, the second entrance and the first outlet; Magnetic valve can controllably periodically conversion under described two duties.
When operating, described pressure air feedway makes the air pressurized in pressure chamber, when needs prevent cotton-shaped impurity from adhering to, electromagnetic valve work, when when the first duty, the air of supercharging enters pipe by pressure and is fed in two diametrically relative sectors, and is communicated with atmospheric communicating pipe in two other diametrically relative sector, thus two rotating vanes are rotated with first direction; When magnetic valve is transformed into the second duty, be communicated with atmospheric communicating pipe in two diametrically relative sectors, the air of supercharging enters pipe by pressure and is fed to two other sector described in diametrically relative, thus two rotating vanes are rotated with second direction; Thus, described rotation can be driven to stir part for central shaft and the radial connecting portion periodic reverse that extends rotates, thus prevents from cotton-shaped impurity to be attached to drawing on filter.
By above-mentioned technical scheme, due to the air pressure produced when make use of and utilize air pressure to provide the plant running of liquid, without the need to providing Power Component in addition, save equipment cost and maintenance cost.Meanwhile, carry out periodicity commutation owing to employing magnetic valve, effectively can realize oscillatory type and move back and forth, effectively cotton-shaped impurity is prevented and removed, it controls flexibly, directly to close, and can not affect the normal operation of Whole Equipment without the need to using when to it simultaneously.The connecting pipeline of four sectors is arranged on the position near fixed blade, at utmost can guarantees the activity space of rotating vane, a kind of physics can be provided spacing for the motion of rotating vane simultaneously, guarantee equipment reliability of operation.The radial direction of the radial elongate slot of described band extends connecting portion and is convenient to penetration by liquid, and the conical bearing better tightness of sliding.
Accompanying drawing explanation
Fig. 1 is the schematic diagram utilizing air pressure to provide the general structure of the apparatus system of liquid of the present invention;
Fig. 2 is longitudinal schematic diagram that the liquid utilizing air pressure to provide the apparatus system of liquid of the present invention provides the general structure of pipe end filter.
Fig. 3 is the end view that the liquid utilizing air pressure to provide the apparatus system of liquid of the present invention provides pipe end filter, it illustrates the power operation logic of filter.
Fig. 4 is the generalized section of sliding conical bearing.
Fig. 5 is the radial structural representation extending connecting portion, shows radial elongate slot.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-5, the present invention is described in detail.
A kind of there is sliding conical bearing and be beneficial to the liquid that liquid provides provide device, comprise pressure air feedway 7, pressure chamber 8, pressure feed pipe 9, liquid provides pipeline 10 and draws filter 20, wherein, described pressure air feedway 7 for by pressure feed pipe 9 for pressure chamber 8 provides pressure, described pressure chamber 8 can pressurize to the liquid in pressure chamber 8 and provide pipeline 10 by liquid and send, the described filter 20 that draws is arranged on the medial extremity that liquid provides pipeline 10, described liquid is filtered from during pressure chamber's 8 draw liquid for providing pipeline 10 at described liquid, the outboard end that liquid provides pipeline 10 sends liquid for flowing, the top of described pressure chamber 8 is provided with liquid inlet 81.
Describedly draw that filter 20 comprises atmospheric communicating pipe 5, pressure enters pipe 4 and magnetic valve 6, the first end of described atmospheric communicating pipe 5 stretches out that pressure chamber 8 is outer to be communicated with air, the first end that described pressure enters pipe 4 in pressure chamber 8 for being communicated with the air of the supercharging in pressure chamber 8.
The described filter 20 that draws also comprises rotatable parts 2 and fixed part 1, wherein, fixed part 1 comprises cylindrical barrel portion 102 and fixed mount portion 101, the upper end of cylindrical barrel portion 102 is closed, underpart opening, fixed mount portion 101 is for having the annular frame in space, the inside portion in described fixed mount portion 101 is fixedly connected with the periphery of the upper end of cylindrical barrel portion 102, and the medial extremity that the outside portion in fixed mount portion 101 provides pipeline 10 with described liquid is fixedly connected with, thus, fixed part 1 is fixed to liquid and provides pipeline 10.
Rotatable parts 2 comprise central shaft 21, bottom lock disk 24, radial extension connecting portion 25 and rotation and stir part 23, the upper end of central shaft 21 is tightly connected rotationally by the upper end of conical bearing 121 with described cylindrical barrel portion 102, and the upper end of central shaft 21 is also provided with locking nut 122, described locking nut 122 can against described conical bearing 121 by the upwards tractive locking of described central shaft 21; The lower end of described central shaft 21 is fixedly connected with the center of bottom lock disk 24, the excircle position of the upper surface of described bottom lock disk 24 to be sealed rotationally with the bottom of cylindrical barrel portion 102 by sealing strip 120 and contacts, thus, described bottom lock disk 24 can surround with described cylindrical barrel portion 102 chamber being formed and have sealing; The inner side that periphery and the radial direction of the outer circumference portion of described bottom lock disk 24 extend connecting portion 25 is fixedly connected with, the outside that described radial direction extends connecting portion 25 is fixedly connected with the lower end that part 23 is stirred in rotation, the upper end that part 23 is stirred in described rotation is connected by thrust bearing 29 with the medial extremity that described liquid provides pipeline 10, described rotation is stirred the periphery of part 23 and the radial outside extending connecting portion 25 and is provided with and stirs bar, described in stir bar can avoid in liquid cotton-shaped impurity attachment when rotating; Part 23 is stirred in described rotation, radial extension in connecting portion 25 and fixed mount portion 101 is provided with the passage flowed through for liquid; Wherein, described conical bearing 121 comprises outer sleeve 1211 and inner sleeve 1213, the outer surface of described outer sleeve 1211 is cone shape, inner surface is also cone shape, the outer surface of described inner sleeve 1213 is cone shape, inner surface is cylindrical shape, and described cylindrical shape passes around formation cylindrical hole 1212 for supplying central shaft 21; The slidingsurface with lubricity is formed between the outer surface of the inner surface of the cone shape of described outer sleeve 1211 and the cone shape of described inner sleeve 1213; Radial extension connecting portion 25 is toroidal, and is evenly distributed with elongate slot 251 in a circumferential direction, is used as the passage flow through that supplies water; The edge, long limit that two of described elongate slot are relative is the radial direction pointing to the center of circle.
Described central shaft 21 is fixedly installed at two diametrically relative rotating vanes 22 along its axial direction, and the inside of described cylindrical barrel portion 102 is fixedly installed at two diametrically relative fixed blades 26 in their longitudinal direction, central shaft 21 to be arranged between described two fixed blades 26 and to be tightly connected rotationally with it, thus, the inner space of described cylindrical barrel portion 102 is divided into four sealing sectors by two fixed blades 26 and two rotating vanes 22.
The second end 40 that pressure enters pipe 4 is communicated with the first entrance of magnetic valve 6, second entrance of magnetic valve 6 is connected with the second end 50 of described atmospheric communicating pipe 5, first outlet of magnetic valve 6 is connected with the first export pipeline 41, first export pipeline 41 is divided into the first outlet branch road A43 and first outlet branch road B42, and the first outlet branch road A43 seals in sector with described four respectively with the first outlet branch road B42 and is communicated with in two diametrically relative sectors; Second outlet of magnetic valve 6 is connected with the second export pipeline 51, second export pipeline 51 is divided into the second outlet branch road A53 and second outlet branch road B52, and the second outlet branch road A53 seals in sector with described four respectively with the second outlet branch road B52 and is communicated with in two other diametrically relative sector; Magnetic valve 6 comprises two duties, in the first operative state, and the first entrance and the first outlet, the second entrance and the second outlet; In a second operative state, the first entrance and the second outlet, the second entrance and the first outlet; Magnetic valve 6 can controllably periodically conversion under described two duties.
When operating, described pressure air feedway 7 makes the air pressurized in pressure chamber 8, when needs prevent cotton-shaped impurity from adhering to, magnetic valve 6 works, when when the first duty, the air of supercharging enters pipe 4 by pressure and is fed in two diametrically relative sectors, and is communicated with atmospheric communicating pipe 5 in two other diametrically relative sector, thus two rotating vanes 22 are rotated with first direction; When magnetic valve 6 is transformed into the second duty, be communicated with atmospheric communicating pipe 5 in two diametrically relative sectors, the air of supercharging enters pipe 4 by pressure and is fed to two other sector described in diametrically relative, thus two rotating vanes 22 are rotated with second direction; Thus, described rotation can be driven to stir part 23 for central shaft 21 and radial connecting portion 25 periodic reverse that extends rotates, thus prevents from cotton-shaped impurity to be attached to drawing on filter 20.