CN204953225U - Seal structure of two dimension numerical control shower nozzle - Google Patents
Seal structure of two dimension numerical control shower nozzle Download PDFInfo
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- CN204953225U CN204953225U CN201520678147.6U CN201520678147U CN204953225U CN 204953225 U CN204953225 U CN 204953225U CN 201520678147 U CN201520678147 U CN 201520678147U CN 204953225 U CN204953225 U CN 204953225U
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Abstract
The utility model discloses a seal structure of two dimension numerical control shower nozzle, including last dimension drive arrangement, tie up drive arrangement and set up the shower nozzle on the last drive arrangement of dimension down, tee bend lower seal seat and lead to be provided with between the electrical slip ring seat and lead the electrical slip ring sealing member, the electrical slip ring sealing member of leading be provided with at least two along the axial, tee bend lower seal seat on be provided with an at least relief hole, relief hole set up and to lead the electrical slip ring sealing member at first piece and be in fragmentary water pressure or low water pressure state and the electrical slip ring sealing member is led to second spare on leading the tee bend lower seal seat between the electrical slip ring sealing member with second spare. This seal structure of two dimension numerical control shower nozzle, it is all -round sealed, sealed effectual, can bear the long -time action under the hyperbaric environment, it is water -tight, long service life.
Description
Technical field
The utility model relates to fountain field of mechanical technique, especially relates to a kind of hermetically-sealed construction of two-dimension numerical control showerhead.
Background technology
Two-dimension numerical control showerhead drives the full dimensional space motion realizing shower nozzle by control two motors, the change of the shower nozzle direction of motion and speed, the infinite water type of change can be generated, the water spray water column of music fountain generally spray high altitude between several meters to tens of rice, the highest even can more than more than 100 meters, same two-dimentional shower nozzle water spray water column also requires to reach this height.The hydraulic pressure that so two-dimentional shower nozzle bears, generally between 0. more than zero MPa to zero point a few MPa, even the highlyest can reach more than several MPa, this that is, the hermetically-sealed construction protecting the water inlet of conducting slip ring in numerical control nozzle also will bear above-mentioned pressure.Simultaneously the rotary speed of two-dimentional shower nozzle is generally between several turns/min to tens of turns/min, the highlyest even reaches hundreds of turns/more than min, and the hermetically-sealed construction namely protecting conducting slip ring water inlet also will bear above rotary speed.Therefore the tightness of two-dimentional shower nozzle requires higher, but existing two-dimemsional number scape shower nozzle, mostly there is the problem that seal degree is not high.
Chinese patent literature (the day for announcing: on April 17th, 2013, notification number: CN103051111A) disclose a kind of sealing device of collector ring, comprise stators and rotators, stator upper, lower two ends are respectively equipped with, bottom end cover, rotor comprises the rotating shaft of hollow, rotating shaft overcoat, lower rotor part and upper rotor part, lower rotor part is connected with the connector of upper rotor part by adjacent end portion, upper end cover is rotatably connected by upper bearing (metal) and upper rotor part, and form watertight construction by upper oil sealing and upper rotor part, bottom end cover is rotatably connected by the rotating shaft overcoat below lower bearing and lower rotor part, and form watertight construction by the rotating shaft overcoat below lower oil sealing and lower bearing, upper rotor part is provided with vertically the metallic channel for laying rotor wire, potted line plug is provided with between metallic channel and rotor wire, bottom end cover is provided with the wire outlet of stator conductor, is provided with lower seal line plug between wire outlet and stator conductor.Security of the present invention is good, repair and maintenance convenient, rotate flexibly, conductive effect is good, the sealing device of the collector ring for music fountain of long service life.
Chinese patent literature (the day for announcing: on October 23rd, 2013, notification number: CN103368125A) disclose the hermetically-sealed construction of conductor leading in a kind of closed structure, comprise one to bore a hole with the through wire of described closed structure, the inner port capping of boring a hole at described wire has one piece of cover plate, the inner side of described cover plate is welded with inner lead, the outside of cover plate is welded with outer lead, described inner lead is connected by the conductor correspondence on cover plate with outer lead, is filled with fluid sealant in the wire perforation outside described cover plate.The invention provides the hermetically-sealed construction of conductor leading in a kind of closed structure, its structure is simple, and installation occupy-place is little, easy-to-connect, good sealing effect, lasting stability.
Chinese patent literature (the day for announcing: on January 12nd, 2011, notification number: CN201708430U) disclose a kind of hermetically-sealed construction of conducting slip ring, comprise main shaft, bearing block, described bearing block has interlock hole, described main shaft cooperation is arranged on described interlock hole, by arranging rubber gasket and sealing clamp seals between the interlock hole of described bearing block and described main shaft, described rubber gasket and sealing clamp are fixed on the inner chamber of described bearing block by bolt presses.Infrastructure cost of the present utility model is low, good sealing effect, and by the structure of rubber gasket and sealing clamp and coordinate ingehious design, the axis and the radial direction that achieve sealing surface obtain effective sealing simultaneously.
Chinese patent literature (the day for announcing: on January 5th, 2011, notification number: CN201699298U) disclose a kind of hermetically-sealed construction for conducting slip ring, comprise slip ring drain pan, in the middle part of this slip ring drain pan, there is string holes, string holes place in the middle part of described slip ring drain pan is provided with cable seal assembly, this cable seal assembly comprises upper cover, lower cover, is provided with cable seal pad between described upper cover and lower cover, and described cable seal assembly has cable hole vertically.Infrastructure cost of the present utility model is low, is applicable to multi-thread cable, and cable wire diameter is variable, and can being dismounted for multiple times (both can single cable dismounting, also can multi-thread cable and unify dismounting with wire and cable connector) hermetically-sealed construction.
Chinese patent literature (the day for announcing: on March 5th, 2014, notification number: CN103618187A) disclose a kind of novel sealing structure of fluid slip ring, fluid slip ring comprises rotor and stator, one end of rotor is arranged through stator, the sidewall of stators and rotators all offers the through hole that can be interconnected, sealing is realized by multiple lip ring between rotor and stator, on the axis body that rotor stretches into stator one end, corresponding each lip ring is equipped with annular projection, annular projection next-door neighbour lip ring is arranged, and all annular projections are all arranged on phase the same side of corresponding lip ring.Fluid slip ring novel sealing structure of the present invention, at each lip ring place, annular projection is set, when product leakage amount or the pressure loss exceed specified value, by axially finely tuning rotor, make annular seal axial displacement on rotor on annular projection, again realize the sealing of lip ring, solve the problem that leakage rate or the pressure loss exceed specified value, fluid slip ring can continue normal use, significantly improves the service life of product.
Although technique scheme low speed and low press state under can solve sealing problem, but pressure is several under high pressure conditions between a few MPa at zero point, speed is under tens of turns/min to hundreds of turns/min, under work year in year out, these sweet seals effects cannot meet the demands, easy generation sealing leak phenomenon, so that cause the problems such as conducting slip ring insulation decline, damage due to the water inlet of conducting slip ring working chamber, thus the insulation affecting the motor of upper frame, position-sensing switch and light declines, so that cisco unity malfunction.
Utility model content
The purpose of this utility model be to overcome in prior art two-dimensional waterscape sprayer conducting slip ring hermetically-sealed construction because there is water pump high pressure working environment lower seal poor performance, the seal of normal mounting makes decelerator and Motor torque increases, the problems such as easy step-out, and a kind of comprehensive sealing is provided, good sealing effect, the long-time action under hyperbaric environment can be born, water-tight, without step-out phenomenon, the hermetically-sealed construction of the two-dimensional waterscape sprayer that the life-span is long.
The utility model realizes the technical scheme that its goal of the invention adopts: a kind of hermetically-sealed construction of two-dimension numerical control showerhead, comprise dimension drive unit, lower dimension drive unit and the shower nozzle be arranged on dimension drive unit, described lower dimension drive unit comprises lower support motor, lower support decelerator, threeway bottom sealing socket, threeway upper seal support, conducting slip ring seat, conducting slip ring, tie up water inlet/outlet connecting pipe and threeway water feeding of water pump tube connector up and down, described conducting slip ring seat is arranged on threeway bottom sealing socket inside and is arranged on the downside of threeway water feeding of water pump tube connector, it is inner and be connected with the drive shaft of lower support decelerator that described conducting slip ring is arranged on conducting slip ring seat and threeway bottom sealing socket, conducting slip ring seal is provided with between described threeway bottom sealing socket and conducting slip ring seat, described conducting slip ring seal is provided with at least two pieces vertically, described threeway bottom sealing socket is provided with at least one release aperture, described release aperture is arranged on the threeway bottom sealing socket between first conducting slip ring seal and second conducting slip ring seal and second conducting slip ring seal is in zero water pressure condition.The hermetically-sealed construction of this two-dimension numerical control showerhead, by being arranged on threeway bottom sealing socket, release aperture is set, respectively be provided with conducting slip ring seal at the upper and lower of release aperture simultaneously, and the conducting slip ring seal below release aperture is in zero hydraulic pressure or low water pressure condition, water pump hydraulic pressure is by effectively being discharged under the acting in conjunction of first conducting slip ring seal and release aperture, achieve the comprehensive of this two-dimension numerical control showerhead, high precisely sealing, conducting slip ring seal below release aperture no longer bears the high hydraulic pressure of water pump, conducting slip ring seal is in zero hydraulic pressure or low water-pressure sealed state, good sealing effect, the hermetically-sealed construction of this two-dimension numerical control showerhead, comprehensive sealing, good sealing effect, the long-time action under the high hydraulic pressure environment of water pump can be born, water-tight, long service life.
As preferably, the internal diameter of described threeway bottom sealing socket is hierarchic structure, and the threeway bottom sealing socket being provided with first conducting slip ring seal place is provided with the boss that internal diameter is greater than threeway bottom sealing socket internal diameter.The internal diameter of threeway bottom sealing socket is that hierarchic structure is arranged, slightly large 1 to 2 millimeter of the external diameter of the conducting slip ring seal that such structure makes the external diameter of first conducting slip ring seal later than second, such first conducting slip ring seal is arranged on the boss of the hierarchic structure of threeway bottom sealing socket, the setting of boss makes first conducting slip ring seal have the undertaking of boss, under the hydraulic pressure of water pump, the sinking that can not be shifted of first conducting slip ring seal covers release aperture, release aperture can be made to discharge flowing water and hydraulic pressure most effectively, ensure that the conducting slip ring seal of less than second is in zero hydraulic pressure or low water-pressure sealed state, good sealing effect.
As preferably, described conducting slip ring seal is reinforced seal, first described conducting slip ring seal is arranged on the boss of threeway bottom sealing socket, and the sealing lip of the sealing lip of first conducting slip ring seal and second conducting slip ring seal is mounted opposite, the conducting slip ring seal below second conducting slip ring seal and second conducting slip ring seal are installed in the same way.Conducting slip ring seal adopts reinforced seal, it is hydraulic pressure in order to bear or alleviate water pump that first reinforced seal is arranged on boss, realize preliminary waterproof sealing, if there be a small amount of leaking, can by release aperture earial drainage, then realize knowing thorough water-tight by second reinforced seal, because hydraulic pressure is thoroughly discharged by release aperture, so the hydraulic pressure that second reinforced seal is born is zero or low hydraulic pressure, the hydraulic pressure born in order to ensure second reinforced seal is zero or low hydraulic pressure, release aperture flowing water sectional area is generally selected greatly a bit, so that a small amount of leaking can flow away in time, the hydraulic pressure making second reinforced seal bear as much as possible is zero or low hydraulic pressure.Because the height of release aperture position is restricted, bore dia can not do greatly, several release aperture can be set in the position of the circumference of release aperture sustained height more, so that a small amount of leaking naturally can flow away in stress-free situation, guarantee that hydraulic pressure that second reinforced seal is born is zero or low hydraulic pressure.Second reinforced seal energy thoroughly waterproof sealing, ensures that current can not flow in conducting slip ring working seal chamber, in order to increase sealing effectiveness further, superposing one or several reinforced seals again, realize multi-sealed waterproof below second reinforced seal.The sealing lip of the sealing lip of first reinforced seal and second reinforced seal is mounted opposite, in the technical program, first reinforced seal adopts anti-dress, and second only reaches following reinforced seal formal dress, because sealing lip in prior art is all towards there being high water pressure side, namely towards the side having water-aspirator pressure, the sealing lip of such reinforced seal is subject to spreading after the pressure of water, although sealing effectiveness can improve, but sealing lip is held tightly on conducting slip ring seal receptacle, rotary resistance increases, decelerator and Motor torque are increased, so that rotate difficulty and drag not dynamic load, easy step-out.And the application adopts, and to be that first reinforced seal is counter fill, the i.e. sealing lip of reinforced seal water-aspirator pressure side dorsad, namely install down, threeway bottom sealing socket simultaneously below first reinforced seal instead filled is provided with the release aperture with ft connection, a small amount of the leaking of hydraulic pressure from water pump is discharged, the pressure that the reinforced seal below release aperture is subject to is equalled zero or low hydraulic pressure, therefore, realize the sealing of conducting slip ring inside zero pressure, good sealing effect, long service life.And the sealing lip of second reinforced seal is upward, namely towards there being the side of pressure to install, namely our normal formal dress said.Such guarantee seals reliable, and prevent because counter first reinforced seal filled is just in case occur to leak and release aperture has little time earial drainage, the sealing lip of second reinforced seal produces hydraulic pressure, and guarantee second only reaches following reinforced seal and realizes effective sealing.
As preferably, the sealing lip of first described conducting slip ring seal has the side of water-aspirator pressure to install dorsad.The sealing lip of reinforced seal is all towards there being the side of pressure to install under normal circumstances, also just saying will the sealing lip of band spring towards the side having hydraulic pressure, namely the side of sealing lip is had upward, namely our formal dress of often saying, the sealing lip of such reinforced seal is subject to spreading after the pressure of water, although sealing effectiveness can improve, but sealing lip is held tightly on conducting slip ring seal receptacle, rotary resistance increases, decelerator and Motor torque are increased, so that rotate difficulty and drag not dynamic load, easy step-out.And the application adopts, and first reinforced seal is counter to be filled, namely the sealing lip of reinforced seal water-aspirator pressure side dorsad, namely installs down, and second reinforced seal formal dress, such structure, the sealing lip of first reinforced seal does not hold hydraulic pressure, and the hydraulic pressure from water pump is discharged by release aperture, and the pressure that the reinforced seal below release aperture is subject to is equalled zero, therefore, realize the sealing of conducting slip ring inside zero pressure, good sealing effect, long service life.
As preferably, described release aperture is arranged along the same circumference of threeway bottom sealing socket, and the pore size of described release aperture is arranged according to water pump irrigation pressure.The number of release aperture and the size in release aperture aperture design according to the size of release pressure, general preferably 3 millimeters to 10 millimeters, general preferably one to four of the quantity of release aperture, increase release aperture flowing water sectional area as far as possible, the water pump irrigation pressure that second reinforced seal is born is zero.
As preferably, the side of described threeway bottom sealing socket is provided with conducting slip ring incoming seal structure, the described water inlet/outlet connecting pipe of dimension is up and down provided with conducting slip ring outgoing line sealing structure, between described threeway bottom sealing socket and lower support decelerator, is provided with static seal structure.Cable needs to be connected with conducting slip ring, but the conducting slip ring line sealing effectiveness in existing technology is poor, prevent cable sheath breakage or cable lug from wrapping up not tight, water can enter into conducting slip ring inside along cable pore, affect the normal work of conducting slip ring, the technical program adopts and arranges seal isolation structure respectively at conducting slip ring incoming line and conducting slip ring line outlet place, with silica gel or epoxy resin Deng Mi village material blocks cable pore, anti-sealing flows into conducting slip ring Mi Cun chamber along cable pore, effectively ensure that sealing effectiveness.Owing to being that plane is connected between threeway bottom sealing socket with lower support decelerator, being maintain static between them, is static seal, so the sealing property in order to increase this place, between threeway bottom sealing socket and lower support decelerator, arranges static seal structure.
As preferably, described threeway bottom sealing socket and lower support decelerator are bolted, described static seal structure comprises seal configuration and fluid sealant structure, described fluid sealant structure comprises the connection fluid sealant that painting is located at the end face seal glue on threeway bottom sealing socket lower surface and lower support decelerator upper surface and is arranged on bolt and bolt hole, and described seal configuration comprises the seal groove be arranged on outside the upper bolt hole of lower support decelerator upper surface and the seal being arranged on seal groove inside.In the technical program, in the lower surface of threeway bottom sealing socket, multiple bolt hole is set, on the upper surface of lower support decelerator, correspondence is provided with multiple bolt hole, by bolt, threeway bottom sealing socket and lower support decelerator bolt are fixed, bolt and bolt hole are coated connection fluid sealant, threeway bottom sealing socket inside is flowed into along the gap that threeway bottom sealing socket is connected with lower support decelerator in order to prevent current, seal groove is had in the outer setting of lower support decelerator upper surface bolt hole, seal groove inside is provided with seal, and scribble end face seal glue in threeway bottom sealing socket lower surface and cooperation place, lower support decelerator upper surface, the reliable static seal of round Realization between threeway bottom sealing socket and lower support decelerator.
As preferably, described conducting slip ring incoming seal structure comprises the entrance hole on threeway bottom sealing socket and is arranged on the incoming seal case of entrance hole outside, described incoming seal case is provided with incoming seal bolt, and described incoming seal case inside is filled with encapsulant.Threeway bottom sealing socket arranges an entrance hole, at entrance hole outer setting incoming seal case, in incoming seal case, the inlet wire of conducting slip ring stator is connected with stube cable inlet wire, with encapsulant, incoming seal case is sealed after connection, can flow in conducting slip ring annular seal space from electric wire entrance hole by effectively anti-sealing, also can flow in conducting slip ring annular seal space along the pore in cable by anti-sealing, good sealing effect.
As preferably, described conducting slip ring outgoing line sealing structure comprises being arranged on ties up water inlet/outlet connecting pipe inside and the conduit be fixedly connected with conducting slip ring seat up and down, tie up the wire hole on water inlet/outlet connecting pipe and the outlet seal box being arranged on wire hole outside up and down, described outlet seal box is provided with outlet sealing bolt, and described outlet seal box inside is filled with encapsulant.Conducting slip ring outlet is by conducting slip ring outgoing line sealing structure in the sealing of threeway upper seal support line outlet, conducting slip ring outlet is drawn from tieing up water inlet/outlet connecting pipe up and down, the mode of drawing welds a conduit on conducting slip ring seat, conduit crosses water link through threeway upper seal support inside, inner through tieing up water inlet/outlet connecting pipe up and down.Conducting slip ring wire hole is drawn from tieing up water inlet/outlet connecting pipe up and down, conducting slip ring seat welds a conduit, conduit is through the water link excessively of threeway upper seal support inside, with the wire hole seal welding tieed up up and down on water inlet/outlet connecting pipe, wire hole outer setting has outlet seal box, in outlet seal box by the outlet of conductive sliding ring rotor be connected the motor tieing up drive unit, light, the equipment electric wires such as position-sensing switch connect, with encapsulant, outlet seal box is sealed after connection, can flow in conducting slip ring annular seal space from electric outlet hole or cable entry port by effectively anti-sealing.
As preferably, shower nozzle is provided with underwater spotlight, described upper dimension drive unit is provided with light cable line hermetically-sealed construction, described light cable line hermetically-sealed construction comprises light incoming seal case and light outlet seal box, and described light incoming seal case and light outlet seal box inside are filled with encapsulant respectively.
As preferably, encapsulant is silica gel or epoxy resin.Encapsulant selects silica gel, epoxy resin etc., and underwater sealing is effective, can meet the requirement of term underwater sealing.Silica gel or epoxy resin Deng Mi village Material selec-tion are liquid as far as possible before solidifying, and ensure sufficient mobility, guarantee that cable adapter place blocks cable pore.
As preferably, decelerator and motor internal are also provided with hermetically-sealed construction, to meet the requirement of term underwater sealing, can seal between decelerator driving shaft bonnet and decelerator end cap, and anti-sealing flows in conductance bearing ring seal chamber along driving shaft.
The beneficial effects of the utility model are: the hermetically-sealed construction of this two-dimensional waterscape sprayer, comprehensive sealing, good sealing effect, can bear the long-time action under hyperbaric environment, water-tight, long service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the hermetically-sealed construction of the utility model two-dimension numerical control showerhead;
Fig. 2 is a kind of structural representation after the hermetically-sealed construction 90-degree rotation of two-dimension numerical control showerhead in Fig. 1;
Fig. 3 is that in Fig. 1, the hermetically-sealed construction of two-dimension numerical control showerhead revolves a kind of structural representation after turnback;
Fig. 4 is the another kind of structural representation of the hermetically-sealed construction of the utility model band underwater spotlight two-dimension numerical control showerhead;
In figure: 1, upper dimension drive unit, 2, lower dimension drive unit, 3, shower nozzle, 4, lower support motor, 5, lower support decelerator, 6, threeway bottom sealing socket, 7, threeway upper seal support, 8, conducting slip ring seat, 9, conducting slip ring, 10, tie up water inlet/outlet connecting pipe up and down, 11, threeway water feeding of water pump tube connector, 13, release aperture, 14, sealing lip, 15, static seal structure, 16, bolt, 17, seal configuration, 18, fluid sealant structure, 19, bolt hole, 20, seal groove, 21, seal, 22, conducting slip ring incoming seal structure, 23, conducting slip ring outgoing line sealing structure, 24, entrance hole, 25, incoming seal case, 26, incoming seal bolt, 27, encapsulant, 28, conduit, 29, wire hole, 30, outlet seal box, 31, outlet sealing bolt, 32, boss, 33, underwater spotlight, 34, light incoming seal case, 35, light outlet seal box.
Detailed description of the invention
Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.
Embodiment 1:
In the embodiment shown in fig. 1, a kind of hermetically-sealed construction of two-dimension numerical control showerhead, comprise dimension drive unit 1, lower dimension drive unit 2 and the shower nozzle 3 be arranged on dimension drive unit 1, lower dimension drive unit 2 comprises lower support motor 4, lower support decelerator 5, threeway bottom sealing socket 6, threeway upper seal support 7, conducting slip ring seat 8, conducting slip ring 9, tie up water inlet/outlet connecting pipe 10 and threeway water feeding of water pump tube connector 11 up and down, conducting slip ring seat 8 is arranged on threeway bottom sealing socket 6 inside and is arranged on the downside of threeway water feeding of water pump tube connector 11, it is inner and be connected with the drive shaft of lower support decelerator 5 that conducting slip ring 9 is arranged on conducting slip ring seat 8 and threeway bottom sealing socket 6, conducting slip ring seal 12 is provided with between threeway bottom sealing socket 6 and conducting slip ring seat 8, conducting slip ring seal 12 is provided with at least two pieces vertically, threeway bottom sealing socket 6 is provided with at least one release aperture 13, release aperture 13 is arranged on the threeway bottom sealing socket 6 between first conducting slip ring seal 12 and second conducting slip ring seal 12 and second conducting slip ring seal 12 is in zero hydraulic pressure or low water pressure condition.In the present embodiment, release aperture 13 is provided with two along the same circumference of threeway bottom sealing socket 6, and conducting slip ring seal 12 is provided with three.The pore size of release aperture 13 is arranged according to the size of water pump irrigation pressure.
The internal diameter of threeway bottom sealing socket 6 is hierarchic structure, and the threeway bottom sealing socket 6 being provided with first conducting slip ring seal place is provided with the boss 32 that internal diameter is greater than threeway bottom sealing socket internal diameter.Conducting slip ring seal 12 is reinforced seal, first reinforced seal is arranged on the boss 32 of threeway bottom sealing socket, and the sealing lip of the sealing lip 14 of first reinforced seal and second reinforced seal is mounted opposite, the sealing lip of first reinforced seal has the side of water-aspirator pressure to install dorsad.Reinforced seal below second reinforced seal and second reinforced seal are installed in the same way.
The side of threeway bottom sealing socket 6 is provided with conducting slip ring incoming seal structure 22(and sees Fig. 3), tie up up and down on water inlet/outlet connecting pipe 10 and be provided with conducting slip ring outgoing line sealing structure 23, between threeway bottom sealing socket 6 and lower support decelerator 5, be provided with static seal structure 15.
Threeway bottom sealing socket 6 is connected by bolt 16 with lower support decelerator 5, static seal structure 15 comprises seal configuration 17 and fluid sealant structure 18, fluid sealant structure 18 comprises the connection fluid sealant that painting is located at the end face seal glue on threeway bottom sealing socket lower surface and lower support decelerator upper surface and is arranged on bolt 16 and bolt hole 19, and seal configuration 17 comprises the seal groove 20 be arranged on outside the upper bolt hole of lower support decelerator upper surface and the seal 21 being arranged on seal groove 20 inside.
Conducting slip ring incoming seal structure 22 comprises the entrance hole 24 on threeway bottom sealing socket 6 and is arranged on the incoming seal case 25 of entrance hole 24 outside, incoming seal case 25 is provided with incoming seal bolt 26, incoming seal case 25 inside is filled with encapsulant 27(and sees Fig. 2).Encapsulant 27 is silica gel or epoxy resin.In the present embodiment, encapsulant is epoxy resin.
Conducting slip ring outgoing line sealing structure 23 comprises being arranged on to be tieed up the inner and conduit 28 be fixedly connected with conducting slip ring seat 8 of water inlet/outlet connecting pipe 10 up and down, ties up the wire hole 29 on water inlet/outlet connecting pipe 10 and be arranged on the outlet seal box 30 of wire hole 29 outside up and down, outlet seal box 30 is provided with outlet sealing bolt 31, outlet seal box 30 inside is filled with encapsulant 27.
Embodiment 2:
Technical scheme is in the embodiment shown in fig. 4 substantially identical with the technical scheme in embodiment 1, difference is: shower nozzle 3 is provided with underwater spotlight 33, upper dimension drive unit 1 is provided with light cable line hermetically-sealed construction, light cable line hermetically-sealed construction comprises light incoming seal case 34 and light outlet seal box 35, and light incoming seal case 34 and light outlet seal box 35 inside are filled with encapsulant 27 respectively.
The hermetically-sealed construction of the two-dimension numerical control showerhead described in above-described embodiment, by arranging at least two conducting slip ring seals 12 between threeway bottom sealing socket 6 inwall and conducting slip ring seat 8 outer wall, conducting slip ring seal 12 adopts reinforced seal, threeway bottom sealing socket 6 between reinforced seal topmost and second reinforced seal arranges one or many release aperture 13, and fill counter for a reinforced seal topmost, by the sealing lip 14 of first reinforced seal and spring limit towards downside, directly do not bear the high hydraulic pressure of water pump, also just say that the sealing lip side of reinforced seal band spring has the side of hydraulic pressure to arrange dorsad, do not bear high hydraulic pressure, reinforced seal seals conducting slip ring inside by the elastic force of self rubber pressure and spring, even if there is a small amount of water can leak through the sealing lip of first reinforced seal at high water pressures, owing to being provided with release aperture 13, release aperture 13 communicates with outside pond, second to only reach following reinforced seal be normal mounting, this part is leaked and can be discharged in pond by release aperture 13, and conducting slip ring inside can not be drained to.The aperture of release aperture 13 generally selects 3 to 10 millimeters, as long as a small amount of percolating water can be made to be released.Meanwhile, because the hydraulic pressure of release aperture 13 pairs of water pumps discharges, so the high hydraulic pressure of water pump is no longer born in second reinforced seal.Although first reinforced seal is slightly put and is leaked, because ejecting device is arranged under water, slightly to leak under water the normal work that can not affect and view and admire view and equipment, again because the pump capacity of two-dimentional shower nozzle is larger, relatively minimum again from the flow leaked of release aperture release, this some flow that leaks can be ignored pump capacity and disregards.
That is, what really play inner movable sealing effect to the sealing of conducting slip ring inside in present patent application is from second reinforced seal that release aperture 13 is down installed, because there is release aperture 13 to exist, even if there is again high hydraulic pressure also can be discharged by release aperture, therefore second reinforced seal is in zero-pressure or low water pressure condition all the time, the sealing lip 14 of reinforced seal can not be held tightly on seal receptacle, also resistance can not be increased, thus stepper motor moment of torsion can not be made to increase and the phenomenon of transmission difficulty occurs, more can not affect velocity of rotation.By this technical scheme, rely on the tension force on sealing lip limit self and the pressure of spring reliably to seal, do not have the generation of drainage.In order to ensure cocksure sealing, one or some reinforced seals can be superposed again below second reinforced seal, playing Double-insurance sealing or multiple security sealing.Reinforced seal material has butyronitrile rubber and fluorubber etc. multiple, adopts wear-resisting, temperature and the better fluorubber material of aging coefficient in the technical program, generally can use continuously also can not to damage above for many years.
The technical program also by arranging the static seal that static seal structure 15 realizes herein between threeway bottom sealing socket 6 and lower support decelerator 5.Owing to being that plane is connected between threeway bottom sealing socket 6 with lower support decelerator 5, being fixed between them, is static seal.The sealing at this place adopts and arranges four or several bolts hole at threeway bottom sealing socket 6, offers four or several bolts hole 19 equally, and be fixedly connected with lower support decelerator 5 by threeway bottom sealing socket 6 by bolt 16 at the end face of lower support decelerator 5.In order to prevent current to be connected along threeway bottom sealing socket 6 with lower support decelerator 5 gap, flow into threeway bottom sealing socket 6 along bolt hole 19 and bolt 16, lower support decelerator 5 end face outside several bolts hole 19 arranges a circle seal groove 20.When threeway bottom sealing socket 6 is connected with lower support decelerator 5, encapsulant such as seal 21 grade is being set in seal groove 20 inside, and coat end face seal glue at threeway bottom sealing socket 6 and lower support decelerator 5 end face and seal, fixed bolt hole and bolt are coated connection fluid sealant, ensures the reliable static seal between threeway bottom sealing socket 6 and lower support decelerator 5.
Conducting slip ring 9 is by conducting slip ring incoming seal structure 22 in the sealing of threeway bottom sealing socket 6 incoming line, conducting slip ring 9 arranges an entrance hole 24 in the position of threeway bottom sealing socket 6 incoming line, at the incoming seal case 25 of entrance hole 24 outer setting one sealing, in incoming seal case 25, the inlet wire of conducting slip ring stator is connected with stube cable inlet wire, with encapsulant 27 incoming seal case filled after connection and seal, encapsulant 27 can select silica gel or epoxy resin etc., flow in conducting slip ring annular seal space along the knitting wool hole in cable to prevent water.Encapsulant 27 has two large functions, the first is to the welding of cable or connected insulating effect, it two is prevent because of waterproof inlet wire cable failure or other reason, it is inner that water flows into conducting slip ring along waterproof inlet wire cable capillary, therefore, the method of filling encapsulant 27 thoroughly solves because waterproof inlet wire cable capillary flows into the possible of conducting slip ring inside, achieves positive confinement.
Conducting slip ring outlet is by conducting slip ring outgoing line sealing structure 23 in the sealing of threeway upper seal support 7 line outlet, conducting slip ring 9 outlet is drawn from tieing up water inlet/outlet connecting pipe 10 up and down, the mode of drawing is on conducting slip ring seat 8, weld a conduit 28, conduit 28 is through the water link excessively of threeway upper seal support 7 inside, inner through tieing up water inlet/outlet connecting pipe 10 up and down, then a wire hole 29 is offered tieing up water inlet/outlet connecting pipe 10 place up and down, wire hole 29 outer setting outlet seal box 30, in outlet seal box 30, the outlet of conductive sliding ring rotor is tieed up motor with being connected, upper dimension position-sensing switch, the equipment electric wires such as light connect, with encapsulant 27, outlet seal box 30 is sealed after connection, encapsulant can select silica gel, epoxy resin etc., flow in conducting slip ring annular seal space from electric outlet hole to prevent water.
The hermetically-sealed construction of this two-dimension numerical control showerhead, the conducting slip ring achieving this two-dimension numerical control showerhead is comprehensive, high precisely sealing, conducting slip ring seal 12 no longer bears the hydraulic pressure of water pump, while water pump hydraulic pressure obtains release by release aperture, add sealing effectiveness, also seal locking conducting slip ring seat 8 is solved, reductor and motor load are increased, affect shake speed, load increases showing of easy step-out, and conducting slip ring incoming seal structure and conducting slip ring outgoing line sealing structure make the sealing property at conducting slip ring line place effectively improve, the normal operation of conducting slip ring annular seal space internal influence conducting slip ring can be flowed into by effectively anti-sealing along the pore in cable, the problem that between threeway bottom sealing socket and lower support decelerator, plane connection sealing can differ from then is efficiently solved for static seal structure.
Certainly, the requirement of decelerator and motor inner also demand fulfillment term underwater sealing separately, can carry out corresponding static seal at decelerator driving shaft bonnet between decelerator end cap, flow in conductance bearing ring seal chamber to prevent water along driving shaft.
The hermetically-sealed construction of this two-dimension numerical control showerhead, comprehensive sealing, good sealing effect, can bear the long-time action under high hydraulic pressure environment, water-tight, long service life.
Claims (10)
1. the hermetically-sealed construction of a two-dimension numerical control showerhead, comprise dimension drive unit (1), lower dimension drive unit (2) and the shower nozzle (3) be arranged on dimension drive unit (1), described lower dimension drive unit (2) comprises lower support motor (4), lower support decelerator (5), threeway bottom sealing socket (6), threeway upper seal support (7), conducting slip ring seat (8), conducting slip ring (9), tie up water inlet/outlet connecting pipe (10) and threeway water feeding of water pump tube connector (11) up and down, described conducting slip ring seat (8) is arranged on threeway bottom sealing socket (6) inside and is arranged on the downside of threeway water feeding of water pump tube connector (11), it is inner and be connected with the drive shaft of lower support decelerator (5) that described conducting slip ring (9) is arranged on conducting slip ring seat (8) and threeway bottom sealing socket (6), it is characterized in that: between described threeway bottom sealing socket (6) and conducting slip ring seat (8), be provided with conducting slip ring seal (12), described conducting slip ring seal (12) is provided with at least two pieces vertically, described threeway bottom sealing socket (6) is provided with at least one release aperture (13), described release aperture (13) the threeway bottom sealing socket (6) be arranged between first conducting slip ring seal (12) and second conducting slip ring seal (12) goes up and second conducting slip ring seal (12) is in zero hydraulic pressure or low water pressure condition.
2. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 1, it is characterized in that: the internal diameter of described threeway bottom sealing socket (6) is hierarchic structure, the threeway bottom sealing socket (6) being provided with first conducting slip ring seal place is provided with the boss that internal diameter is greater than threeway bottom sealing socket internal diameter.
3. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 2, it is characterized in that: described conducting slip ring seal (12) is reinforced seal, first described conducting slip ring seal is arranged on the boss of threeway bottom sealing socket, and the sealing lip of the sealing lip of first conducting slip ring seal (14) and second conducting slip ring seal is mounted opposite, the conducting slip ring seal below second conducting slip ring seal and second conducting slip ring seal are installed in the same way.
4. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 2, is characterized in that: the sealing lip of first described conducting slip ring seal has the side of water-aspirator pressure to install dorsad.
5. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 2, it is characterized in that: described release aperture (13) is arranged along the same circumference of threeway bottom sealing socket (6), and the pore size of described release aperture (13) sets according to the size of water pump irrigation pressure.
6. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 1, it is characterized in that: the side of described threeway bottom sealing socket (6) is provided with conducting slip ring incoming seal structure (22), the described water inlet/outlet connecting pipe of dimension up and down (10) is provided with conducting slip ring outgoing line sealing structure (23), between described threeway bottom sealing socket (6) and lower support decelerator (5), is provided with static seal structure (15).
7. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 6, it is characterized in that: described threeway bottom sealing socket (6) is connected by bolt (16) with lower support decelerator (5), described static seal structure (15) comprises seal configuration (17) and fluid sealant structure (18), described fluid sealant structure (18) comprises the connection fluid sealant that painting is located at the end face seal glue on threeway bottom sealing socket lower surface and lower support decelerator upper surface and is arranged on bolt (16) and bolt hole (19), described seal configuration (17) comprises the seal groove (20) be arranged on outside the upper bolt hole of lower support decelerator upper surface and the seal (21) being arranged on seal groove (20) inside.
8. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 5, it is characterized in that: described conducting slip ring incoming seal structure (22) comprises the entrance hole (24) on threeway bottom sealing socket (6) and is arranged on the outside incoming seal case (25) of entrance hole (24), described incoming seal case (25) is provided with incoming seal bolt (26), and described incoming seal case (25) inside is filled with encapsulant (27).
9. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 5, it is characterized in that: described conducting slip ring outgoing line sealing structure (23) comprises being arranged on ties up water inlet/outlet connecting pipe (10) inside and the conduit (28) be fixedly connected with conducting slip ring seat (8) up and down, tie up the wire hole (29) on water inlet/outlet connecting pipe (10) up and down and be arranged on the outside outlet seal box (30) of wire hole (29), described outlet seal box (30) is provided with outlet sealing bolt (31), described outlet seal box (30) inside is filled with encapsulant (27).
10. the hermetically-sealed construction of a kind of two-dimension numerical control showerhead according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, it is characterized in that: shower nozzle (3) is provided with underwater spotlight (33), described upper dimension drive unit (1) is provided with light cable line hermetically-sealed construction, described light cable line hermetically-sealed construction comprises light incoming seal case (34) and light outlet seal box (35), and described light incoming seal case (34) and light outlet seal box (35) inside are filled with encapsulant (27) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678147.6U CN204953225U (en) | 2015-09-02 | 2015-09-02 | Seal structure of two dimension numerical control shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678147.6U CN204953225U (en) | 2015-09-02 | 2015-09-02 | Seal structure of two dimension numerical control shower nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN204953225U true CN204953225U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520678147.6U Expired - Fee Related CN204953225U (en) | 2015-09-02 | 2015-09-02 | Seal structure of two dimension numerical control shower nozzle |
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| Country | Link |
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| CN (1) | CN204953225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475263A (en) * | 2015-09-02 | 2017-03-08 | 杭州明珠音乐喷泉有限公司 | A kind of sealing structure of two-dimension numerical control showerhead |
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2015
- 2015-09-02 CN CN201520678147.6U patent/CN204953225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475263A (en) * | 2015-09-02 | 2017-03-08 | 杭州明珠音乐喷泉有限公司 | A kind of sealing structure of two-dimension numerical control showerhead |
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Granted publication date: 20160113 Termination date: 20210902 |