CN212213678U - Adjustable pressure spraying arm of dish-washing machine - Google Patents
Adjustable pressure spraying arm of dish-washing machine Download PDFInfo
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- CN212213678U CN212213678U CN201922177448.1U CN201922177448U CN212213678U CN 212213678 U CN212213678 U CN 212213678U CN 201922177448 U CN201922177448 U CN 201922177448U CN 212213678 U CN212213678 U CN 212213678U
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Abstract
The utility model discloses an adjustable pressure spray arm of dish washer, including the arm shell body that forms the water cavity, be equipped with on the arm shell body and spray hole, its characterized in that: the arm shell body is further provided with a compensation hole, a driving assembly and an opening and closing assembly, and the driving assembly drives the opening and closing assembly to open or close the compensation hole, so that the water outlet pressure of the spraying hole is adjusted. The utility model discloses an adjustable pressure spray arm of dish washer, through set up drive assembly in spray arm, adjust through drive assembly and open and close the subassembly, and then opening or closing of control compensation hole, when the compensation hole is closed, the area of going out of arm shell body is little in other words, and spray arm inside spray hole and the pressure department in compensation hole equal, through opening of adjusting the compensation hole, and then control spray arm inside water pressure, finally realize that control sprays the play water pressure in hole, spray the water pressure in hole through adjusting, enlarge dish washer's use situation.
Description
Technical Field
The utility model relates to a dish washer part, concretely relates to spray arm.
Background
Along with the continuous improvement of living standard of people, the dish washing machine starts to slowly enter the kitchens of general consumers to realize the liberation of the hands of people, so that people do not need to wash dishes after meals, and the dish washing machine has more time for leisure, work and the like.
With the gradual expansion of the market of the dish washing machine, the types and the effects of the washing are the key points of attention of the vast consumers. Wherein, the water column flow that the spray arm sprays determines the pressure of spraying the water column and the rotational speed of spray arm. These two points are closely related to the cleaning effect. Aiming at common porcelain tableware, high-pressure water columns at a certain rotating speed are preferably selected for spraying, so that the cleaning effect on pollutants is better; aiming at the tableware with lighter material, the combination of properly reducing the injection pressure and the rotating speed is selected, so that the cleaning effect is ensured on one hand, and the cleaning effect is not influenced by the fact that the light tableware is not washed down on the other hand. Therefore, the flow adjustable structure designed for the spray arm can realize the switching of high-pressure and low-pressure spray water columns.
The existing supercharging type pulse cleaning equipment comprises a spraying arm which is rotatably connected to the bottom of a washing space of a dish washing machine, wherein a plurality of spraying structures are arranged on the spraying arm, a plurality of gradual water outlet channels for increasing water outlet pressure are arranged on the spraying structures, and pulse water flow is formed by changing the number of the water outlet channels and the sequence of the water outlet channels through shielding. But the structure is complex, and the spraying structure is sensitive to residues and is easy to block.
Disclosure of Invention
The purpose of the invention is as follows: an object of the utility model is to prior art not enough, a but dish washer adjustable pressure spray arm is provided, through set up drive assembly in spray arm, adjust through drive assembly and open and close the subassembly, and then opening or closing of control compensation hole, open and close the subassembly for portable opening or cover the fender lid in compensation hole, simple structure is difficult to take place the card shell phenomenon, under the certain circumstances of lift of water pump, when the compensation hole is opened, the internal water pressure of arm shell is compared in the condition that the compensation hole was closed for a short time, because the pressure department who sprays the hole and compensate the hole equals, and then realize adjusting arm shell body internal pressure through opening and close compensation hole, adjust the water pressure that sprays the hole, make the dish washer that uses this spray arm can spray the different washings of waiting of hole water pressure adaptation through adjusting.
The technical scheme is as follows: a dish washer adjustable pressure spray arm, including the arm shell body that forms the water cavity, be equipped with on the arm shell body and spray the hole, still be equipped with compensation hole, drive assembly on the arm shell body and open and close the subassembly, the drive assembly drive open and close the subassembly and open and close the compensation hole to the regulation sprays the play water pressure in hole.
The drive assembly comprises a knob and a driving piece, the driving piece is provided with a rotating shaft, the knob is connected to the top end of the rotating shaft, the driving piece comprises a rotating shaft lower end and a swing rod extending outwards in the radial direction of the rotating shaft lower end, and the extending tail end of the swing rod is hinged to the opening and closing assembly.
The arm shell is characterized in that a mounting opening is formed in the top of the arm shell body, a sealing cover detachably connected with the mounting opening is arranged on the mounting opening, a positioning hole is formed in the sealing cover, the driving piece and the opening and closing assembly are mounted in the water passing cavity, and the driving piece penetrates through the positioning hole in the sealing cover and is connected with the knob.
The positioning hole is provided with a limit ring platform extending towards the inside of the arm shell body, the shaft wall of the rotating shaft is radially provided with a boss matched with the limit ring platform, and a sealing ring is clamped between the limit ring platform and the boss.
The opening and closing assembly comprises a blocking cover and a connecting rod hinged to the blocking cover, the other end of the connecting rod is hinged to the driving assembly, a guide groove located at the position of the compensation hole is formed in the arm shell body, the connecting rod is driven by the driving assembly to push the blocking cover to slide in the guide groove, and the blocking cover is arranged in the guide groove and is opened and closed to the first position of the compensation hole and the second position of the compensation hole.
The spray arm is provided with a rotating plane for rotary spraying, the jet direction of the compensation hole and the rotating plane form an included angle, and water in the water passing cavity is sprayed from the compensation hole to push the spray arm to rotate in the rotating plane.
Be equipped with the water inlet on the arm shell body, this internal pressure regulating assembly who adjusts water inlet inflow that still is equipped with of arm shell, the pressure regulating assembly transmission connect in drive assembly, pressure regulating assembly has the low pressure position of reducing the water inlet flow and increases the high pressure position of water inlet flow, drive assembly drive pressure regulating assembly with open and close the subassembly linkage, work as the pressure regulating assembly alternative is located the low pressure position or during the high pressure position, keep off the lid and open or close the compensation hole.
Be equipped with the drive tooth on the drive assembly, the pressure regulating subassembly include with drive tooth meshing driven fluted disc and set up in separation blade on the fluted disc, the drive tooth drive the fluted disc is rotatory, in order to drive the separation blade is opened or is partly sheltered from the water inlet.
This internal spacing portion that is equipped with of arm shell, the fluted disc drives the separation blade swing extremely high pressure position, spacing portion is to the separation blade is rotatory spacing.
The fluted disc in the symmetry of water inlet axle center is equipped with a plurality ofly, the separation blade be with the arc sheet structure of water inlet profile looks adaptation, the one end of separation blade with the fluted disc is connected, drive assembly rotates, in order to drive the fluted disc drives corresponding separation blade and winds the swing of fluted disc axle center is in order to adjust the water inlet flow.
Has the advantages that: the utility model discloses a pressure-adjustable spray arm of dish washer, through set up the drive assembly in the spray arm, adjust the start-stop subassembly through the drive assembly, and then control the opening or the closed state of compensation hole, under the power of dish washer water pump, the lift is certain, when the compensation hole is opened, the water-out area equivalent to arm shell body becomes big, when the compensation hole is closed, the water-out area equivalent to arm shell body diminishes, according to the hydrodynamics principle, the spray hole of spray arm equals everywhere with the water-out pressure of compensation hole, through adjusting the start-stop of compensation hole, change the water-out area of spray arm, and then control the water pressure inside the spray arm, finally realize controlling the water-out pressure and the velocity of flow of spray hole, through adjusting the water spray pressure and the velocity of flow of spray hole, the situation of use of dish washer has been enlarged, use of this spray arm both can wash bowl, hard article such as stainless steel pot, the cleaning agent can also clean articles which are easy to wash away such as plastic tableware, feeding bottles and nipples;
in order to realize the control of the opening and closing of the adjustment compensation hole of the opening and closing assembly through the driving assembly, the driving assembly is arranged at a water inlet in the arm shell body and comprises a knob which is arranged outside the arm shell body and used for manual screwing operation and a driving piece which is arranged inside the arm shell body, in order to better utilize the internal space of the arm shell body and reduce the resistance of the driving piece to water, the driving piece is designed to be a rotating shaft, the knob is connected to the top of the rotating shaft, in order to link the driving assembly and the opening and closing assembly, a swing rod which extends outwards along the radial direction of the rotating shaft is arranged at the bottom of the rotating shaft, the end part of the swing rod is connected with the opening and closing assembly, and when the knob drives the rotating shaft;
because there is food residue in the dishwasher, even if the washing water can enter the spray arm again after being filtered, the residue can still enter the spray arm, in order to prevent the spray arm from accumulating more and more residues on the drive component after being used for a long time, the top of the arm shell body is provided with a mounting port, a detachable sealing cover is arranged on the mounting port, a rotating shaft is rotatably arranged on the sealing cover in a penetrating way, when the interior of the spray arm needs to be cleaned, a knob on the rotating shaft can be detached firstly, then the rotating shaft can be taken out by detaching the sealing cover, and the residues on the drive component and the opening and closing component are cleaned;
because the rotating shaft is rotatably arranged on the sealing cover in a penetrating manner, a gap exists between the rotating shaft and the positioning hole, if the sealing performance of the connecting part of the rotating shaft and the sealing cover is poor, the potential danger of water leakage and pressure relief of the spray arm possibly exists, in order to enhance the sealing performance of the rotating shaft and the sealing cover and ensure the smooth rotation of the rotating shaft and the stability of the rotation of the rotating shaft, the positioning hole of the sealing cover is provided with a limiting ring table, the shaft wall of the rotating shaft is provided with a boss, the boss extends into the limiting ring table to rotate, the limiting ring table provides support for the rotating shaft to keep the rotating shaft to rotate stably, and a sealing ring can be clamped between the limiting ring table and the boss to seal the gap at;
the opening and closing assembly comprises a blocking cover capable of covering the compensation hole, in order to enable the blocking cover to move in a reciprocating mode in a directional mode relative to the compensation hole, a guide groove is formed in the inner wall of the arm shell body, the blocking cover is embedded into the guide groove to move, a connecting rod is hinged to the blocking cover, the other end of the connecting rod is hinged to the end portion of a swing rod of the driving assembly, and when the driving assembly is adjusted, the swing rod can drive the connecting rod to move so as to push the blocking cover in the guide groove to open or cover the;
if the compensation holes and the spraying holes are of the same structure, and the number of the compensation holes is not large, the opening and closing of the compensation holes have little effect difference for adjusting the water outlet pressure of the spraying holes, the pressure acting on the surface of an article is related to the water outlet pressure of the spraying holes and the instantaneous length of the water outlet of the spraying holes staying at each point on the surface of the article, so that the jet flow direction of the compensation holes and the rotating plane of the spraying arm form an included angle, and the compensation holes have the functions of adjusting the water outlet pressure of the spraying holes and adjusting the rotating speed of the spraying arm besides cleaning the article;
in order to further control the water pressure in the spray arm and further reduce the water outlet pressure of the spray holes, and the dishwasher can clean the foods which are easy to break, such as waxberries, strawberries, blueberries and the like, a pressure regulating component is also arranged in the arm shell body, in order to optimize the structure and reduce the cost, the pressure regulating component and the driving component are arranged in a linkage manner, when the driving component is regulated to control the pressure regulating component to increase the water pressure of the spray holes, the opening and closing component closes the compensation driving holes, the water outlet pressure of the spray holes is increased, the rotating speed of the spray arms is reduced to carry out reinforced washing, and when the driving component is regulated to control the pressure regulating component to reduce the water pressure of the spray holes, the opening and closing component opens the compensation driving holes, the water outlet;
in order to realize linkage of a rotating shaft of the driving assembly and the pressure regulating assembly, the rotating shaft is provided with driving teeth, the pressure regulating assembly comprises a plurality of fluted discs in meshing transmission with the driving teeth, when the rotating shaft is rotated, the driving teeth drive the fluted discs meshed with the driving teeth to rotate, the blocking pieces further swing synchronously with the fluted discs to cover or open a water inlet below the blocking pieces, the resistance of a water flow channel at the connecting part of the water inlet and the inner part of the spray arm is changed, and the inner pressure of the spray arm is further changed by regulating the flow speed;
through this internal spacing portion that sets up of arm shell, restrict the swing angle of separation blade, prevent that the user from being used for excessive torsion knob, effectively protect separation blade and pendulum rod can not block inside the arm shell body.
Drawings
Fig. 1 is a schematic view of a top view structure of the pressure-adjustable spray arm of the present invention;
FIG. 2 is a schematic view of the adjustable pressure spray arm according to the present invention showing the sealing cover opened;
FIG. 3 is an exploded view of the internal structure of the adjustable pressure spray arm of the present invention;
fig. 4 is a partial sectional view of the driving assembly of the adjustable pressure spray arm of the present invention;
FIG. 5 is a schematic view of the top half-section structure of the pressure-adjustable spray arm of the present invention;
FIG. 6 is a schematic view of the bottom half-section structure of the pressure-adjustable spray arm of the present invention;
FIG. 7 is a top view of the pressure regulating assembly opening water inlet of the pressure-adjustable spray arm of the present invention;
figure 8 is the utility model discloses the water inlet bottom view is opened to adjustable pressure spray arm pressure regulating subassembly.
Detailed Description
The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.
As shown in fig. 1 to 8, the utility model relates to a pressure-adjustable spray arm for dish washer, which comprises an arm shell body 100 forming a water cavity, a spray hole 110 is arranged on the arm shell body 100, a compensation hole 120, a driving component and an opening and closing component are also arranged on the arm shell body 100, the driving component drives the opening and closing component to open or close the compensation hole 120, thereby adjusting the water outlet pressure of the spray hole 110, the driving component is arranged in the arm shell body 100, the opening and closing component is adjusted by the driving component, further the opening or closing state of the compensation hole 120 is controlled, when the power and lift of the dish washer water pump are fixed, the compensation hole 120 is opened, the water outlet area equivalent to the arm shell body 100 is increased, when the compensation hole 120 is closed, the water outlet area equivalent to the arm shell body 100 is decreased, according to the fluid mechanics principle, the spray holes 110 at each position of the arm shell body 100 are equal to the water outlet pressure of the compensation hole 120, through adjusting opening and closing of compensation hole 120, change the water outlet area of arm shell body 100, and then the inside water pressure size of control arm shell body 100, finally realize that control sprays the play water pressure and the velocity of flow of hole 110, spray water pressure and the velocity of flow through adjusting the hole 110 that sprays, the situation of use of dish washer has been enlarged, use both can wash the porcelain bowl of this spray arm, hard heavier article such as stainless steel pot, also can wash the plastics tableware, the feeding bottle, the easy article that washes away of nipple, be equipped with the arrow point that the suggestion water pressure height was adjusted on knob 200, the user can adjust the play water pressure that sprays hole 110 by oneself according to the selection.
The driving assembly comprises a rotary knob 200 and a driving piece, the driving piece is provided with a rotary shaft 210, the rotary knob 200 is connected to the top end of the rotary shaft 210, the driving piece further comprises a swing rod 220 extending outwards from the lower end of the rotary shaft 210 along the radial direction, the extending tail end of the swing rod 220 is hinged with an opening and closing assembly, in order to realize the opening and closing of the adjustment compensation hole 120 of the opening and closing assembly controlled by the driving assembly, the driving piece is arranged at the water inlet 130 in the arm shell body 100, the driving assembly comprises a rotary knob 200 arranged outside the arm shell body 100 and used for manual screwing operation and a driving piece arranged inside the arm shell body 100, the internal space of the arm shell body 100 is better utilized, the resistance of the driving piece to water is reduced, the driving piece is designed to be the rotary shaft 210 axially parallel to the water inlet 130, a through hole is arranged in the axial direction of the rotary, the rotary knob 200 is in threaded connection with the rotary knob 210, the rotary knob 200 and the rotary shaft 210 can be fixed in other forms such as a buckle and a bolt, in order to drive the components and the opening and closing components in a linkage manner, the bottom of the rotary shaft 210 is provided with a swing rod 220 extending outwards along the radial direction of the rotary shaft, the end part of the swing rod 220 is connected with the opening and closing components, when the rotary knob 200 drives the rotary shaft 210 to rotate, the rotary shaft 210 drives the swing rod 220 below the rotary shaft to swing, and the swing rod 220 further drives;
the top of the arm shell body 100 is provided with a mounting port 140, the mounting port 140 is provided with a sealing cover 300 which is detachably connected, the sealing cover 300 is provided with a positioning hole 310, a driving part and an opening and closing component are mounted in the arm shell body 100, the driving part penetrates through the positioning hole 310 on the sealing cover 300 to be connected with the knob 200, because the inside of a water cup component of the dish washing machine has food residues which are cleaned, even if washing water is filtered and then enters the spray arm again, the inside of the arm shell body 100 still has the possibility of entering the residues, in order to prevent more and more residues from accumulating on the driving component after the spray arm is used for a long time and avoid mildewing inside the arm shell body 100, the top of the arm shell body 100 is provided with the mounting port 140 which is convenient to clean and disassemble, the sealing cover 300 which can be detached is mounted on the mounting port 140, the rotating shaft 210 is rotatably arranged on the sealing, the rotary shaft 210 can be taken out by firstly detaching the knob 200 on the rotary shaft 210 and then detaching the sealing cover 300, so that residues on the driving assembly and the opening and closing assembly are conveniently cleaned, the arm shell body 100 comprises an upper shell 101 and a lower shell 102 which are separated, and the upper shell 101 and the lower shell 102 are butt-jointed and molded through ultrasonic welding.
In order to strengthen the joint strength of sealed lid 300 and arm shell body 100, prevent to spray the arm at rotatory in-process, sealed lid 300 and arm shell body 100 throw off, guarantee the convenience that sealed lid 300 dismantled simultaneously, sealed lid 300 sets up the fixed muscle 310 that corresponds with draw-in groove 150, one side of fixed muscle 310 sets up the spacing muscle 320 of positive rotation that leans on with draw-in groove 150 one side tip counterbalance, the opposite side of fixed muscle 310 sets up elastic rib 330, fixed muscle 310 is equipped with and supplies elastic rib 330 to warp and pass the inside breach 340 of dodging of draw-in groove 150, elastic rib 330 outer end can support by in draw-in groove 150 other side tip, sealed lid 300 and arm shell body 100's mounting means as follows: the handle 350 is held by a hand to rotate, so that the elastic rib 330 firstly enters the clamping groove 150, the elastic rib 330 has a sufficient deformation space due to the avoidance notch 340, when the sealing cover 300 rotates, the elastic rib 330 is pressed and bent towards the avoidance notch 340 by the clamping groove 150 and passes through the clamping groove 150 area to recover, meanwhile, the forward rotation limiting rib 320 is limited by the clamping groove 150, so that the sealing cover 300 cannot rotate any more, meanwhile, the elastic rib 330 is in contact with the clamping groove 150 to be limited reversely due to the recovery of the original state, and the fixing rib 310 is clamped in the clamping groove 150, so that the arm shell body 100 and the sealing cover 300 are fixed;
the positioning hole 310 is provided with a limiting ring platform 360 extending towards the inside of the arm casing body 100, the axial wall of the rotating shaft 210 is radially provided with a boss 212 matched with the limiting ring platform 360, a sealing ring 213 is clamped between the limiting ring platform 360 and the boss 212, because the rotating shaft 210 is rotatably arranged on the sealing cover 300 in a penetrating way, a gap exists between the rotating shaft 210 and the positioning hole 310, if the sealing performance of the connection part of the rotating shaft 210 and the sealing cover 300 is poor, the arm casing body 100 may have hidden troubles of water leakage and pressure relief, in order to enhance the sealing performance of the rotating shaft 210 and the sealing cover 300 and ensure the smooth rotation of the rotating shaft 210 and the stability of the rotation of the rotating shaft 210, the limiting ring platform 360 is arranged on the positioning hole 310 of the sealing cover 300, the boss 212 is arranged on the axial wall of the rotating shaft 210, the boss 212 extends into the limiting ring platform to rotate 360, the inner wall of the limiting ring, the sealing ring 213 can be clamped between the limit ring platform 360 and the boss 212 to seal a space gap defined by the limit ring platform 360, the positioning hole 310 and the boss 212;
the opening and closing assembly includes a blocking cover 400 and a connecting rod 410 hinged with the blocking cover 400, the other end of the connecting rod 410 is hinged with a driving assembly, a guide groove 420 positioned at the compensation hole 120 is arranged on the arm casing body 100, the connecting rod 410 is driven by the driving assembly to push the blocking cover 400 to slide in the guide groove 420, the blocking cover 400 is provided with a first position for opening the compensation hole 120 and a second position for closing the compensation hole in the guide groove 420, the opening and closing assembly includes the blocking cover 400 capable of covering the compensation hole 120, in order to enable the blocking cover 400 to move in a reciprocating manner relative to the compensation hole 120, the inner wall of the arm casing body 100 is provided with the guide groove 420, the blocking cover 400 is embedded in the guide groove 420 to move, the outer side surface of the blocking cover 400 is provided with a pin shaft 430, the pin shaft 430 is hinged with one end of the connecting rod 410, the other end of the connecting rod 410 is hinged with, thereby pushing the blocking cover 400 in the guide groove 420 to open or cover the compensation hole 120;
the spray arm has a rotation plane for rotating spray, the jet direction of the compensation hole 120 has an included angle with the rotation plane, and water in the arm shell body 100 is sprayed from the compensation hole to push the spray arm to rotate in the rotation plane.
The arm shell body 100 is provided with a water inlet 130, the arm shell body 100 is also internally provided with a pressure regulating assembly for regulating the water inlet flow of the water inlet 130, the pressure regulating assembly is in transmission connection with a driving assembly, the pressure regulating assembly is provided with a low-pressure position for reducing the water inlet 130 flow and a high-pressure position for increasing the water inlet 130 flow, the driving assembly drives the pressure regulating assembly to be linked with an opening and closing assembly, when the pressure regulating assembly is selected to be positioned at the low-pressure position or the high-pressure position, the blocking cover 400 opens or closes the compensation hole 120, if the compensation hole 120 and the spray hole 110 are in the same structure, and the number of the compensation holes 120 is not large, the opening and closing of the compensation hole 120 have small effect difference for regulating the water outlet pressure of the spray hole 110, the cleaning effect of jet flow acting on the surface of an article is related to the water outlet pressure of the spray hole 110, and the instantaneous length of water outlet of the, therefore, the jet direction of the compensation holes 120 forms an included angle with the rotation plane of the spray arm, so that the compensation holes 120 can clean articles and also have the functions of adjusting the water outlet pressure of the spray holes 110 and adjusting the rotation speed of the spray arm; in order to further control the water pressure in the spray arm and further reduce the minimum water outlet pressure of the spray holes 110, so that the dishwasher can clean the easily broken foods such as waxberries, strawberries, blueberries and the like, the arm shell body 100 is also internally provided with a pressure regulating assembly, in order to optimize the structure and reduce the cost, the pressure regulating assembly and the driving assembly are arranged in a linkage manner, when the adjusting driving assembly controls the pressure regulating assembly to increase the water pressure of the spray holes 110, the opening and closing assembly closes the compensation driving holes 120, the water outlet pressure of the spray holes 110 is increased, the rotating speed of the spray arms is reduced for intensive washing, each point on the surface of an article is impacted by continuous high-pressure water flow, when the adjusting driving assembly controls the pressure regulating assembly to decrease the water pressure of the spray holes 110, the opening and closing assembly opens the compensation driving holes 120, the water outlet pressure of the spray holes 110 is reduced, the rotating speed of the spray arms, the user can adjust the knob 200 as required, and by controlling the driving assembly, the water outlet pressure and the water outlet flow rate of the spray holes 110 and the rotation speed of the spray arm are adjusted at the same time, so that the dishwasher with the spray arm can clean articles of any texture.
The driving assembly is provided with a driving tooth 230, the pressure regulating assembly comprises a fluted disc 500 in meshing transmission with the driving tooth 230 and a baffle 510 arranged on the fluted disc 500, a positioning bolt 520 is arranged at the center of the fluted disc 510 in a rotating manner, the lower end of the positioning bolt 520 is in threaded connection with the positioning seat 160 on the inner wall of the arm shell body 100, the driving tooth 230 drives the fluted disc 500 to rotate so as to drive the baffle 510 to open or partially shield the water inlet 130, in order to realize linkage of the rotating shaft 210 of the driving assembly and the pressure regulating assembly, the rotating shaft 210 is provided with the driving tooth 230, the pressure regulating assembly comprises a plurality of fluted discs 500 in meshing transmission with the driving tooth 230, when the rotating shaft 210 is rotated, the driving tooth 230 drives the fluted disc 500 in meshing rotation, one end of the baffle 510 is connected to an end door of the fluted disc 500, the baffle 510 further swings synchronously with the rotating fluted disc 500 to cover or open the water inlet, furthermore, the internal pressure of the spray arm is changed by adjusting the flow rate, in order to further reduce the obstruction of the driving teeth 230 to the water inlet 130 and improve the maximum water pressure of the spray holes 110, the driving teeth 230 are a plurality of fan-shaped teeth spliced together, and the obstruction of the driving teeth 230 to the water inlet 130 is reduced to the maximum.
Be equipped with spacing portion 170 in the arm shell body 100, fluted disc 500 drives separation blade 510 and swings to the high pressure position, spacing portion 170 is rotatory spacing to separation blade 510, through set up spacing portion 170 in arm shell body 100, limit separation blade 510's swing angle, prevent that the user is used for excessive torsion knob 200, effectively protect separation blade 510 and pendulum rod 220 can not block inside arm shell body 100, this spacing portion 170 can be the dog or arc spout, its function all is that the course of motion that lets separation blade 510 is more smooth, the profile shape of arc spout is when the swing of separation blade 510, the orbit shape looks adaptation that its tip was swept, make separation blade 510 tip laminate inside the arc spout all the time, not only can inject the biggest turned angle of knob 200, can also balance water pressure, prevent that separation blade 510 from leading to drive tooth 230 and fluted disc 500 card shell owing to the atress inequality.
Fluted disc 500 is equipped with a plurality ofly in water inlet 130 axle center symmetry, separation blade 510 is the arc sheet structure with water inlet 130 profile looks adaptation, the one end and the fluted disc 500 of separation blade 510 are connected, drive assembly rotates, drive the swing of corresponding separation blade 510 around fluted disc 500 axle center with drive fluted disc 500, in order to adjust water inlet 130 flow, because separation blade 510 is the arc sheet structure, even each separation blade 510 rotates to being in the state of closing up, the breach of circle form can be left in each separation blade 510 center department, prevent that separation blade 510 from blocking up water inlet 130 completely, avoid water pump or spray arm to damage.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides an adjustable pressure spray arm of dish washer, is including forming the arm shell body in water cavity, be equipped with on the arm shell body and spray hole, its characterized in that: the arm shell body is further provided with a compensation hole, a driving assembly and an opening and closing assembly, and the driving assembly drives the opening and closing assembly to open or close the compensation hole, so that the water outlet pressure of the spraying hole is adjusted.
2. The dishwasher adjustable pressure spray arm of claim 1, wherein: the drive assembly comprises a knob and a driving piece, the driving piece is provided with a rotating shaft, the knob is connected to the top end of the rotating shaft, the driving piece comprises a rotating shaft lower end and a swing rod extending outwards in the radial direction of the rotating shaft lower end, and the extending tail end of the swing rod is hinged to the opening and closing assembly.
3. The dishwasher adjustable pressure spray arm of claim 2, wherein: the arm shell is characterized in that a mounting opening is formed in the top of the arm shell body, a sealing cover detachably connected with the mounting opening is arranged on the mounting opening, a positioning hole is formed in the sealing cover, the driving piece and the opening and closing assembly are mounted in the water passing cavity, and the driving piece penetrates through the positioning hole in the sealing cover and is connected with the knob.
4. The dishwasher adjustable pressure spray arm of claim 3, wherein: the positioning hole is provided with a limit ring platform extending towards the inside of the arm shell body, the shaft wall of the rotating shaft is radially provided with a boss matched with the limit ring platform, and a sealing ring is clamped between the limit ring platform and the boss.
5. The dishwasher adjustable pressure spray arm of claim 1, wherein: the opening and closing assembly comprises a blocking cover and a connecting rod hinged to the blocking cover, the other end of the connecting rod is hinged to the driving assembly, a guide groove located at the position of the compensation hole is formed in the arm shell body, the connecting rod is driven by the driving assembly to push the blocking cover to slide in the guide groove, and the blocking cover is arranged in the guide groove and is opened and closed to the first position of the compensation hole and the second position of the compensation hole.
6. The dishwasher adjustable pressure spray arm of claim 5, wherein: the spray arm is provided with a rotating plane for rotary spraying, the jet direction of the compensation hole and the rotating plane form an included angle, and water in the water passing cavity is sprayed from the compensation hole to push the spray arm to rotate in the rotating plane.
7. The adjustable pressure spray arm of dishwasher of claims 1 to 6, characterized in that: be equipped with the water inlet on the arm shell body, this internal pressure regulating assembly who adjusts water inlet inflow that still is equipped with of arm shell, the pressure regulating assembly transmission connect in drive assembly, pressure regulating assembly has the low pressure position of reducing the water inlet flow and increases the high pressure position of water inlet flow, drive assembly drive pressure regulating assembly with open and close the subassembly linkage, work as the pressure regulating assembly alternative is located the low pressure position or during the high pressure position, keep off the lid and open or close the compensation hole.
8. The dishwasher adjustable pressure spray arm of claim 7, wherein: be equipped with the drive tooth on the drive assembly, the pressure regulating subassembly include with drive tooth meshing driven fluted disc and set up in separation blade on the fluted disc, the drive tooth drive the fluted disc is rotatory, in order to drive the separation blade is opened or is partly sheltered from the water inlet.
9. The dishwasher adjustable pressure spray arm of claim 8, wherein: this internal spacing portion that is equipped with of arm shell, the fluted disc drives the separation blade swing extremely high pressure position, spacing portion is to the separation blade is rotatory spacing.
10. The dishwasher adjustable pressure spray arm of claim 8, wherein: the fluted disc in the symmetry of water inlet axle center is equipped with a plurality ofly, the separation blade be with the arc sheet structure of water inlet profile looks adaptation, the one end of separation blade with the fluted disc is connected, drive assembly rotates, in order to drive the fluted disc drives corresponding separation blade and winds the swing of fluted disc axle center is in order to adjust the water inlet flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177448.1U CN212213678U (en) | 2019-12-05 | 2019-12-05 | Adjustable pressure spraying arm of dish-washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177448.1U CN212213678U (en) | 2019-12-05 | 2019-12-05 | Adjustable pressure spraying arm of dish-washing machine |
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| Publication Number | Publication Date |
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| CN212213678U true CN212213678U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922177448.1U Active CN212213678U (en) | 2019-12-05 | 2019-12-05 | Adjustable pressure spraying arm of dish-washing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086043A (en) * | 2023-10-17 | 2023-11-21 | 常州诺清智能科技有限公司 | Spray cleaning equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117086043A (en) * | 2023-10-17 | 2023-11-21 | 常州诺清智能科技有限公司 | Spray cleaning equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230822 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee before: JOYOUNG Co.,Ltd. |