CN110974110B - Spray arm with adjustable spray hole water outlet - Google Patents
Spray arm with adjustable spray hole water outlet Download PDFInfo
- Publication number
- CN110974110B CN110974110B CN201911235130.2A CN201911235130A CN110974110B CN 110974110 B CN110974110 B CN 110974110B CN 201911235130 A CN201911235130 A CN 201911235130A CN 110974110 B CN110974110 B CN 110974110B
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- water
- water inlet
- spray
- hole
- spray arm
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 397
- 239000007921 spray Substances 0.000 title claims abstract description 180
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims description 41
- 238000005507 spraying Methods 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 abstract description 35
- 210000002445 nipple Anatomy 0.000 abstract description 13
- 240000000851 Vaccinium corymbosum Species 0.000 abstract description 5
- 235000003095 Vaccinium corymbosum Nutrition 0.000 abstract description 5
- 235000017537 Vaccinium myrtillus Nutrition 0.000 abstract description 5
- 235000021014 blueberries Nutrition 0.000 abstract description 5
- 229910052573 porcelain Inorganic materials 0.000 abstract description 5
- 235000016623 Fragaria vesca Nutrition 0.000 abstract description 4
- 235000011363 Fragaria x ananassa Nutrition 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 240000009088 Fragaria x ananassa Species 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 43
- 230000000694 effects Effects 0.000 description 22
- 238000000926 separation method Methods 0.000 description 12
- 238000005406 washing Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 241000220223 Fragaria Species 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005267 amalgamation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000007270 Gaultheria hispida Nutrition 0.000 description 1
- 235000009134 Myrica cerifera Nutrition 0.000 description 1
- 244000269152 Myrica pensylvanica Species 0.000 description 1
- 235000012851 Myrica pensylvanica Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 235000021012 strawberries Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
Abstract
The invention discloses a spray arm with an adjustable water outlet of a spray hole, which comprises a shell body forming a water passing cavity, wherein the shell body is provided with a water inlet and a plurality of spray holes, water flows are sprayed out of the spray holes after entering the water passing cavity from the water inlet, the spray arm also comprises a valve mechanism, the valve mechanism comprises a driving component and a water retaining component, the water retaining component is arranged in the shell body and is positioned at the water inlet, the driving component penetrates through the shell body from the water passing cavity, and the water retaining component is used for adjusting the water outlet pressure of the spray holes by shielding the area of the water inlet. According to the spray arm with the adjustable spray hole water outlet, the variety of cleaning objects is enlarged, the cleaning function is upgraded, and objects which are thick in material and difficult to break, such as porcelain tableware, are cleaned under high pressure by adjusting the rotating shaft of the driving assembly; the plastic tableware, the feeding bottle, the nipple, the strawberry, the blueberry and other objects which are easy to wash off and break are cleaned under low pressure.
Description
Technical Field
The invention relates to a spray arm, in particular to an adjustable spray arm.
Background
With the continuous improvement of the living standard of people, the dish washing machine starts to slowly enter the kitchen of wide consumers so as to release the hands of people, so that people do not need to wash dishes after meals, and more time is available for leisure, work and the like.
With the gradual expansion of the dishwasher market, the variety and effect of washing is the focus of attention of the vast consumer. The flow rate of the water sprayed by the spray arm determines the pressure of the water sprayed by the spray and the rotating speed of the spray arm. These two points are closely related to the cleaning effect. Aiming at general porcelain tableware, high-pressure water flow jet at a certain rotating speed is preferably selected, so that the cleaning effect on pollutants is better; aiming at the light tableware, the combination of properly reducing the spraying pressure and the rotating speed is selected, so that the cleaning effect is ensured on one hand, and the light tableware is prevented from being washed down to influence the cleaning effect on the other hand. Therefore, the flow-adjustable structure is designed for the spray arm, so that the switching of high-pressure and low-pressure water jet streams can be realized.
The existing supercharging type pulse cleaning equipment comprises a spray arm which is rotationally connected to the bottom of a washing space of a dish washer, a plurality of spray structures are arranged on the spray arm, a plurality of gradual change type water outlet channels for increasing water outlet pressure are arranged on the spray structures, and pulse type water flows are formed by changing the number of the water outlet channels and sequentially through shielding. But the structure is complex, the spraying structure is sensitive to residues and is easy to be blocked.
Disclosure of Invention
The invention aims to: the invention aims at overcoming the defects of the prior art, and provides a spray arm with an adjustable water outlet of a spray hole, wherein a valve mechanism is arranged in the spray arm and comprises a driving component, a water retaining component and an opening and closing component, the driving component comprises a rotating shaft which is concentrically arranged with a water inlet, a driving part for driving the water retaining component is arranged on the rotating shaft, the driving part drives the water retaining component to open or partially cover the water inlet so as to adjust the water pressure in a shell, the driving component can also adjust the opening and closing component so as to control the opening or closing of a compensation hole, the opening and closing component is a blocking cover which can movably open or cover the compensation hole, the structure is simple, the blocking phenomenon is not easy to occur, and a dishwasher adopting the spray arm can change the water outlet pressure or the rotating speed of the spray arm through adjusting the valve mechanism so as to adapt to different objects to be cleaned.
The technical scheme is as follows: the spray arm comprises a shell, a water inlet and a plurality of spray holes, wherein the shell is provided with a water passing cavity, water flows enter the water passing cavity from the water inlet and are sprayed out of the spray holes, the spray arm further comprises a valve mechanism, the valve mechanism comprises a driving component and a water blocking component, the water blocking component is arranged in the shell and is positioned at the water inlet, the driving component penetrates through the shell from the water passing cavity, the driving component comprises a rotating shaft which is concentrically arranged with the water inlet, the rotating shaft is provided with a driving part for driving the water blocking component, the driving part can be a driving gear or driving teeth, the driving part drives the water blocking component to move relative to the water inlet so as to open or partially cover the water inlet, and the water blocking component is used for adjusting the water outlet pressure of the spray holes by shielding the area of the water inlet.
The driving assembly comprises a rotating shaft provided with a driving gear, a baffle plate and a gear bar matched with the driving gear are arranged on the water retaining assembly, and the driving gear drives the gear bar to linearly move so as to drive the baffle plate to open or partially shade the water inlet.
The spray arm is provided with a longitudinal limiting structure and a transverse limiting structure;
the transverse limiting structure limits a first position with the largest area of the water inlet covered by the water retaining assembly and a second position with the smallest area;
the longitudinal limiting structure limits the water retaining assembly to be attached to the water inlet for movement.
The transverse limiting structure comprises a protruding structure arranged on the side wall of the knob, and a low-pressure positioning rib and a high-pressure positioning rib which are arranged on the outer surface of the shell in a corresponding manner with the protruding structure; or (b)
The transverse limiting structure comprises a low-pressure positioning cover arranged on the inner wall of the shell, and the low-pressure positioning cover can be propped against one side end part of the water retaining component;
the longitudinal limiting structure comprises limiting grooves arranged on two sides of the water inlet, and the water retaining assembly is movably embedded in the limiting grooves.
The driving assembly comprises a rotating shaft provided with driving teeth, the water retaining assembly is provided with a baffle plate and a fluted disc matched with the driving teeth, and the driving teeth drive the fluted disc to rotate so as to drive the baffle plate to swing to open or partially shade the water inlet.
The spray arm is provided with a swing opening limit structure and a swing closing limit structure;
One end of the baffle plate is connected with the fluted disc, and the other end of the baffle plate swings around the axle center of the fluted disc;
the swing opening limiting structure limits the other end of the baffle to swing to a first position with the largest area of the water inlet;
the swing closing limiting structure limits the other end of the baffle to swing to a second position with the smallest area of the water inlet.
The fluted disc is provided with a plurality of baffle plates symmetrically at the axis of the water inlet, the baffle plates are of arc-shaped sheet structures matched with the outline of the water inlet, the baffle plates are spliced and limited at the second position, a plurality of concentric central through holes with the water inlet are formed after the baffle plates are spliced, and the area of the central through holes is smaller than that of the water inlet.
The valve mechanism further comprises an opening and closing assembly arranged in the water passing cavity, the opening and closing assembly comprises a blocking cover and a connecting rod, the shell is further provided with a compensation hole, and the driving assembly drives the connecting rod so that the blocking cover can be opened or closed.
The driving assembly is provided with a radially extending swing rod, the extending tail end of the swing rod is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged with the blocking cover.
The shell is provided with a guide groove positioned at the compensation hole, the connecting rod pushes the blocking cover to slide in the guide groove under the drive of the swing rod, and the blocking cover is provided with a first position for opening the compensation hole and a second position for closing the compensation hole in the guide groove.
The beneficial effects are that: the invention provides a spray arm with adjustable spray hole water outlet, a valve mechanism is arranged in a shell of the spray arm, the valve mechanism comprises a driving component and a water retaining component, the driving component comprises a rotating shaft which is concentrically arranged with a water inlet, the outer end of the rotating shaft is provided with a knob, the rotating shaft is also provided with a driving part for driving the water retaining component, aiming at the water retaining component in different forms, the driving part can be a driving gear or a driving tooth, and the driving part drives the water retaining component to open or partially cover the water inlet so as to adjust the water pressure in the shell, realize the high-low pressure cleaning effect of the spray arm when cleaning objects, expand the types of the cleaning objects, upgrade the cleaning function, and clean the objects with thick materials such as porcelain tableware and the like at high pressure by adjusting the rotating shaft of the driving component; cleaning objects which are easy to be washed off, such as plastic tableware, milk bottles, nipple, strawberries, blueberries and the like by low pressure;
The driving assembly is a rotating shaft provided with a driving gear, the corresponding water retaining assembly comprises a retaining piece and a gear strip matched with the driving gear, the retaining piece is connected to the gear strip, when the rotating shaft is rotated, the driving gear is rotated simultaneously to drive the gear strip meshed with the driving gear to move along a straight line, the retaining piece is further driven to move to change the area of the water inlet, the gear-rack meshing control water retaining assembly is convenient and reliable, in order to prevent the displacement of the water retaining assembly under the impact of water flow, a limiting mechanism for limiting the position of the water retaining assembly is further arranged, the limiting mechanism comprises a longitudinal limiting structure and a transverse limiting structure, when the water flow passes through the water inlet from bottom to top, an upward pressure is applied to the lower surface of the retaining piece, so that the gear strip of the retaining piece is tightly pressed with the driving gear, the locking of the gear-rack is realized, meanwhile, the edge of the retaining piece is tightly pressed with the longitudinal limiting structure, the water flow is prevented from pushing the driving gear to rotate, the retaining piece is limited to move above the water inlet, the retaining piece is always attached to the water inlet, the longitudinal limiting structure is limited at a first position with the largest area of the water inlet, and a second position assembly with the largest area is linearly moved, so that the driving gear is always meshed with the gear strip, and the retaining piece is prevented from being meshed with the gear strip to the shell;
The driving assembly is a rotating shaft provided with driving teeth, the corresponding water retaining assembly comprises baffle plates and fluted discs matched with the driving teeth, the baffle plates are connected to the fluted discs, when the driving teeth drive the fluted discs to rotate, the fluted discs drive the baffle plates to swing to open or partially shield the water inlet to change the area of the water inlet, a swing opening limiting structure and a swing closing limiting structure are further arranged in the shell, the rotating angle of the baffle plates is limited, the baffle plates are prevented from excessively rotating to generate a blocking phenomenon in the shell, the baffle plates are limited to swing between a first position with the largest area of the water inlet and a first position with the largest area, the fluted discs are symmetrically provided with a plurality of baffle plates, the baffle plates are of arc-shaped sheet structures matched with the outline of the water inlet, the baffle plates are spliced to limit in a second position, a plurality of center through holes concentric with the water inlet are formed after the baffle plates are spliced, and the baffle plates are effectively prevented from generating displacement under the impact of water flow due to the splicing design;
the water outlet pressure of the spray hole can be controlled by adjusting the driving assembly, but the water outlet pressure of the spray hole can achieve a better cleaning effect only by matching with different rotating speeds of the spray arm, therefore, the valve mechanism further comprises an opening and closing assembly arranged in the water passing cavity, the opening and closing assembly can simultaneously adjust the water outlet pressure and the rotating speed of the spray arm, the opening and closing assembly is arranged in the shell, food residues are not easy to adhere to the opening and closing assembly, the compensation hole is controlled by the opening and closing assembly, the effect of changing the rotating speed of the spray arm is achieved, the opening and closing assembly comprises a baffle cover and a connecting rod, the driving assembly is provided with a radially extending swing rod, the extending tail end of the swing rod is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the baffle cover, the swing rod rotates when the rotating shaft rotates, the rotating swing rod pushes and pulls the connecting rod to move, and then the position of the baffle cover is changed, and the inner wall of the shell is further provided with a guide groove positioned at the compensation hole, so that the baffle cover moves smoothly to avoid the shell from being blocked.
The opening and closing assembly and the water retaining assembly can be respectively and independently arranged in the spray arm and can be simultaneously arranged in the spray arm, when the opening and closing assembly and the water retaining assembly coexist, the driving assembly drives the water retaining assembly to cover the water inlet, the opening and closing assembly closes the compensation hole when the driving assembly drives the water retaining assembly to open the water inlet, the opening and closing of the compensation hole are not very different in effect for adjusting the water outlet pressure of the spray hole, the effect is mainly reflected in changing the rotating speed of the spray arm, the water flow cleaning effect on the surface of an object to be cleaned is related to the water outlet pressure of the spray hole, the instant length of water outlet of the spray hole stays at each point on the surface of the object is also related to the instant length of water outlet of the spray hole, so that the jet direction of the compensation hole has an included angle with the rotating plane of the spray arm, the compensation hole can be used for cleaning the object, the functions of adjusting the water outlet pressure of the spray hole and the rotating speed of the spray arm are realized, when the driving assembly is adjusted to control the water retaining assembly to be adjusted to be high for spraying Kong Shuiya, the opening and closing the compensation hole is increased, the water outlet pressure is reduced, the rotating speed of the spray arm is reduced for enhanced washing, and the driving assembly is adjusted to control the assembly to control the opening and spray Kong Shuiya.
Drawings
FIG. 1 is an exploded view of a spray arm according to example 1 of the present invention;
FIG. 2 is a schematic top perspective view of a spray arm according to example 1 of the present invention;
FIG. 3 is a schematic longitudinal cross-sectional view of a spray arm according to example 1 of the present invention;
FIG. 4 is a schematic longitudinal cross-sectional view of a baffle of the spray arm of embodiment 1 of the present invention in a second position;
FIG. 5 is a schematic longitudinal cross-sectional view of a baffle of the spray arm of embodiment 1 of the present invention in a first position;
FIG. 6 is a schematic view of a seal cap of a spray arm of example 1 of the present invention;
FIG. 7 is a schematic view of a portion of a spray arm of embodiment 1 with the upper housing body removed;
FIG. 8 is a top perspective view of a spray arm according to embodiment 2 of the present invention;
FIG. 9 is an exploded view of a spray arm according to example 2 of the present invention;
FIG. 10 is a schematic view of a spray arm according to embodiment 2 of the present invention with the baffle of the upper housing body removed in a first position;
FIG. 11 is a schematic view of a spray arm according to embodiment 2 of the present invention with the baffle of the upper housing body removed in a second position;
FIG. 12 is a schematic top view of a spray arm according to embodiment 3 of the present invention;
FIG. 13 is a schematic view of the seal cap of the spray arm of example 3 of the present invention;
FIG. 14 is an exploded view showing the internal structure of the shower arm according to embodiment 3 of the present invention;
FIG. 15 is a partial cross-sectional view of the drive assembly of the spray arm of embodiment 3 of the present invention;
FIG. 16 is a schematic top half-sectional view of a spray arm according to example 3 of the present invention;
FIG. 17 is a schematic view showing a bottom half-section structure of a spray arm according to embodiment 3 of the present invention;
FIG. 18 is a top view of a spray arm water deflector assembly according to embodiment 3 of the present invention with the water inlet open;
fig. 19 is a bottom view of a spray arm water deflector assembly according to embodiment 3 of the present invention with the water inlet open.
Detailed Description
The technical scheme of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
As shown in fig. 1 to 19, the spray arm with adjustable water outlet of spray holes in the invention comprises a shell 100 forming a water passing cavity, the shell 100 is provided with a water inlet 110 and a plurality of spray holes 120, water flows are sprayed out from the spray holes 120 after entering the water passing cavity from the water inlet 110, the spray arm further comprises a valve mechanism, the valve mechanism comprises a driving component and a water blocking component, the water blocking component is arranged in the shell 100 and is positioned at the water inlet 110, the driving component penetrates through the shell 100 from the water passing cavity, the driving component comprises a rotating shaft 220 which is arranged concentrically with the water inlet 110, a driving part for driving the water blocking component is arranged on the rotating shaft 220, the driving part can be a driving gear 221 or a driving tooth 2211, the driving part drives the water blocking component to move relative to the water inlet 110 so as to open or partially cover the water inlet 110, the water blocking component covers the area of the water inlet 110, the water outlet pressure of 120 of the spray hole is regulated, a valve mechanism is arranged in the shell 100 of the spray arm, the valve mechanism comprises a driving component and a water retaining component, the driving component comprises a rotating shaft 220 which is concentrically arranged with the water inlet 110, the outer end of the rotating shaft 220 is provided with a knob 210, the rotating shaft 220 is also provided with a driving part for driving the water retaining component, aiming at the water retaining component in different forms, the driving part can be a driving gear 221 or a driving tooth 2211, the driving part drives the water retaining component to open or partially cover the water inlet 110 so as to regulate the water pressure in the shell 100, thereby realizing the high-low pressure cleaning effect of the spray arm when cleaning objects, expanding the types of the cleaning objects, upgrading the cleaning function, and cleaning the objects such as porcelain tableware with high pressure through regulating the rotating shaft of the driving component; the plastic tableware, the feeding bottle, the nipple, the strawberry, the blueberry and other objects which are easy to wash off and break are cleaned under low pressure.
The driving assembly comprises a rotating shaft 220 provided with a driving gear 221, a baffle 232 and a gear bar 231 matched with the driving gear 221 are arranged on the water retaining assembly, the driving gear 221 drives the gear bar 231 to move along a straight line so as to drive the baffle 232 to open or partially shield the water inlet 110, the spray arm is provided with a longitudinal limiting structure and a transverse limiting structure, the transverse limiting structure limits a first position with the largest area of the water retaining assembly covering the water inlet 110 and a second position with the smallest area of the water retaining assembly covering the water inlet 110, the longitudinal limiting structure limits the water retaining assembly to move in a fitting manner with the water inlet 110, and the transverse limiting structure comprises a protruding structure 211 arranged on the side wall of the knob 210, and a low-pressure positioning rib 141 and a high-pressure positioning rib 142 which are arranged on the outer surface of the shell 100 corresponding to the protruding structure 211; or the transverse limiting structure comprises a low-pressure positioning cover 250 arranged on the inner wall of the shell, and the low-pressure positioning cover 250 can be propped against one side end part of the water retaining component; the vertical limit structure comprises limit grooves 151 and 152 arranged on two sides of the water inlet 110, the water retaining component is movably embedded in the limit grooves 151 and 152, the driving component is a rotating shaft 220 provided with a driving gear 221, the corresponding water retaining component comprises a baffle 232 and a gear bar 231 matched with the driving gear 221, the baffle 232 is connected to the gear bar 231, when the rotating shaft 220 rotates, the driving gear 221 rotates simultaneously to drive the gear bar 231 meshed with the baffle 232 to move along a straight line, the baffle 232 is further driven to move to change the area of the water inlet 110, the gear-rack meshing control water retaining component is convenient and reliable, in order to prevent the water retaining component from generating displacement under the impact of water flow, the limit mechanism for limiting the position of the water retaining component is further arranged, the limit mechanism comprises a vertical limit structure and a horizontal limit structure, when water flow passes through the water inlet 110 from bottom to top, an upward pressure is applied to the lower surface of the baffle 232, the gear bar 231 of the baffle 232 is tightly pressed with the driving gear 221, meanwhile, the edge of the baffle 232 is kept away from the limit grooves 151 and 152, the water flow is prevented from pushing the driving gear 221 to rotate, the baffle 232 is prevented from moving along the straight line, the water inlet 110 is limited to move all the time, and the position of the water inlet 110 is always limited to move along the vertical limit structure is always, and the limit structure is enabled to move along the vertical limit area of the limit structure is enabled to be the limit structure to move along the limit surface of the position of the water inlet 110.
The driving assembly comprises a rotating shaft provided with driving teeth 2211, the water retaining assembly is provided with a baffle 232 and a fluted disc 2311 matched with the driving teeth 2211, the driving teeth 2211 drive the fluted disc 2311 to rotate so as to drive the baffle 232 to swing to open or partially shade the water inlet 110, and the spray arm is provided with a swing opening limiting structure and a swing closing limiting structure; one end of the baffle 232 is connected with the fluted disc 2311, and the other end of the baffle 232 swings around the axle center of the fluted disc 2311; the swing opening limiting structure limits the other end of the baffle 232 to swing to a first position with the largest area of the water inlet 110; the swing closing limiting structure limits the other end of the baffle plate 232 to swing to a second position with the smallest area of the water inlet 110, the fluted disc 2311 is symmetrically provided with a plurality of baffle plates 232 in the axis of the water inlet 110, the baffle plate 232 is of an arc-shaped sheet structure matched with the outline of the water inlet 110, the baffle plates 232 are spliced and limited in the second position, a central through hole concentric with the water inlet 110 is formed after the baffle plates 232 are spliced, and the area of the central through hole is smaller than that of the water inlet 110. The driving component is the pivot 220 that is equipped with driving tooth 2211, corresponding, the manger plate subassembly includes separation blade 232 and with driving tooth 2211 complex fluted disc 2311, separation blade 232 connects on fluted disc 2311, when driving tooth 2211 drives fluted disc 2311 and rotates, fluted disc 2311 drives separation blade 232 swing open or partly shelter from water inlet 110 and realize changing water inlet 110 area, still be equipped with swing open limit structure and swing close limit structure in the casing 100, it is rotatory angle to be limited separation blade 232, avoid separation blade 232 excessive rotation to take place the card shell phenomenon in casing 100, it swings to inject separation blade 232 between the biggest first position of water inlet 110 area and the biggest first position of area, for better promotion separation blade 232's manger plate effect, be equipped with a plurality of in water inlet 110 axle center symmetry separation blade 232 is with water inlet 110 profile looks adaptation's arc sheet structure, under the second position, a plurality of separation blade 232 amalgamation limit, a plurality of separation blade 232 amalgamation back is formed with the concentric central through-hole with water inlet 110, the design of a plurality of separation blade 232 effectively avoids the separation blade 232 to produce the displacement under the water flow amalgamation.
The valve mechanism also comprises an opening and closing component arranged in the water passing cavity, the opening and closing component comprises a baffle cover 300 and a connecting rod 400, the shell 100 is also provided with a compensation hole 1201, the driving component drives the connecting rod 400 to open or close the compensation hole 1201, the driving component is provided with a radially extending swing rod 500, the extending tail end of the swing rod 500 is hinged with one end of the connecting rod 400, the other end of the connecting rod 400 is hinged with the baffle cover 300, the shell 100 is provided with a guide groove 1202 positioned at the compensation hole 1201, the connecting rod 400 pushes the baffle cover 300 to slide in the guide groove 1202 under the driving of the swing rod 500, the baffle cover 300 is provided with a first position for opening the compensation hole 1201 and a second position for closing the compensation hole 1201 in the guide groove 1202, the water outlet pressure of the spray hole 120 can be controlled by adjusting the driving component, but the different water outlet pressures of the spray hole 120 need to be matched with different rotating speeds of a spray arm to achieve better cleaning effect, therefore, the valve mechanism further comprises an opening and closing component arranged in the water passing cavity, the opening and closing component can simultaneously regulate the water outlet pressure and the rotating speed of the spray arm, the opening and closing component is arranged in the shell 100, food residues are not easy to adhere to the opening and closing component, the effect of changing the rotating speed of the spray arm is achieved by controlling the compensating hole 1201 through the opening and closing component, the opening and closing component comprises a baffle cover 300 and a connecting rod 400, a radially extending swing rod 500 is arranged on the driving component, the extending tail end of the swing rod 500 is hinged with one end of the connecting rod 400, the other end of the connecting rod 400 is hinged with the baffle cover 300, when the rotating shaft 220 rotates, the swing rod 500 also rotates, the rotating swing rod 500 pushes and pulls the connecting rod 400 to move, the position of the baffle cover 300 is further changed, and a guide groove 1202 positioned at the compensating hole 1201 is further arranged on the inner wall of the shell 100, so that the baffle cover 300 moves smoothly to avoid blocking a shell;
The opening and closing assembly and the water retaining assembly can be respectively and independently arranged in the spray arm and can be simultaneously arranged in the spray arm, when the opening and closing assembly and the water retaining assembly coexist, the driving assembly drives the water retaining assembly to cover the water inlet 110, the opening and closing assembly closes the compensating hole 1201 when the driving assembly drives the water retaining assembly to open the water inlet 110, the effect difference of the opening and closing of the compensating hole 1201 on the adjustment of the water outlet pressure of the spray hole 120 is not very large, the compensating hole 1201 mainly reflects the rotation speed of the spray arm, the water flow cleaning effect acting on the surface of an object to be cleaned is related to the water outlet pressure of the spray hole 120, and the instant length of the water outlet of the spray hole 120 at each point on the surface of the object is also related to the rotation plane of the spray arm, so that the jet direction of the compensating hole 1201 has an included angle with the rotation plane of the spray arm, the compensating hole 1201 has the functions of adjusting the water outlet pressure of the spray hole 120 and adjusting the rotation speed of the spray arm besides cleaning the object, when the driving assembly is adjusted to control the water pressure of the spray hole 120, the opening and closing of the compensating hole 120 is not very much, the water outlet pressure of the spray hole 120 is increased, the rotation speed of the spray hole 120 is reduced, the rotation speed of the spray arm is strengthened, the water outlet pressure of the spray hole 1201 is reduced, the water is controlled by the driving assembly is adjusted, and the water outlet pressure of the spray hole 120 is adjusted.
Example 1: as shown in fig. 1 to 7, a spray arm with adjustable spray hole water outlet according to the present invention, the spray arm for adjusting water pressure comprises a housing 100 forming a water passing cavity and a valve mechanism, the housing 100 is provided with a water inlet 110 and a plurality of spray holes 120, and water flow is sprayed out from the spray holes 120 after entering the water passing cavity from the water inlet 110; the valve mechanism is arranged at the water inlet 110 to adjust the area of the water inlet 110, so as to adjust the water outlet pressure of the spray hole 120, and the water flow rate of the water passing cavity of the spray arm is controlled by adjusting the area of the water inlet 110 of the spray arm, so that the spray pressure of the water column flowing out of the spray hole 120 is controlled, the high-low pressure cleaning effect of the spray arm when cleaning objects is realized, the types of the cleaning objects are enlarged, and the cleaning function is upgraded.
It can be understood by those skilled in the art that when the spray arm in the embodiment of the invention is used as the spraying water flow part of the dish washer, the effect of cleaning kitchen ware at high and low pressure during cleaning articles can be realized, the types of the cleaning kitchen ware can be enlarged, and the cleaning function can be upgraded.
As one embodiment, the valve mechanism includes: an automatic valve that is automatically adjusted by an electric control manner or a manual valve that is manually adjusted is not limited to the above type, as long as the adjustment of the area of the water inlet 110 and thus the injection pressure of the water column flowing out of the shower hole 120 can be achieved.
Further, the position of the valve mechanism for adjusting the area of the water inlet 110 is not limited to the top surface of the water inlet 110, but may be provided at the inlet or the middle of the water inlet passage where the water inlet communicates, but is not limited to the above-mentioned position, as long as it is realized that the amount of water entering the water passing chamber from the water inlet 110 can be adjusted.
As an embodiment, the valve mechanism includes an adjusting member, a driving assembly and a water blocking assembly, the adjusting member is disposed outside the housing 100, a first end of the driving assembly is movably connected with the water blocking assembly, a second end of the driving assembly is connected with the adjusting member, and the adjusting member can enable the water blocking assembly to move relative to the water inlet 110, so that the area of the water inlet 110 covered by the water blocking assembly is adjusted to adjust the water outlet pressure of the spray hole 120. The valve mechanism and the water inlet 110 are arranged, so that the water flow entering the water passing cavity is controlled, the water outlet pressure of the spray holes 120 can be switched between high pressure and low pressure, and the high-pressure water flow is used for cleaning the kitchen ware which is thick in material, such as porcelain tableware, and is not easy to break; the plastic tableware, the feeding bottle, the nipple, the strawberry, the blueberry and other objects which are easy to wash off and break are cleaned under low pressure.
Optionally, the adjustment member comprises a knob 210, the drive assembly comprises a shaft 220, and the water deflector assembly comprises a gear bar 231 and a stop 232 extending in the direction of movement thereof. A driving gear 221 is disposed at a first end of the rotating shaft 220, and the driving gear 221 and the gear bar 231 form a gear-rack meshing fit. The rotation direction of the driving gear 221 is adjusted so that the blocking piece 232 covers or opens the water inlet 110. The gear-rack is meshed to control the movement of the water retaining assembly, and the control mode is convenient and reliable.
Preferably, the gear bar 231 is disposed on the top surface of the baffle 232, the baffle 232 is disposed on the top surface of the water inlet 110 in the water outlet direction, and the water blocking assembly is disposed in a manner convenient for processing and disassembly. The second end of the rotating shaft 220 passes through the limiting hole 130 formed in the housing 100 and then is connected with the knob 210, the rotating shaft 220 is provided with a positioning table 222, and the positioning table 222 and the limiting hole 130 limit the rotating shaft 220 not to axially move.
As shown in fig. 4 and 5, in order to control the active area of the water blocking assembly, the spray arm is provided with a longitudinal limit structure and a transverse limit structure. The longitudinal limiting structure defines that the water retaining component is arranged on the top surface of the water inlet 110 in a fitting way; the lateral limiting structure defines a first position of the water deflector assembly when the area of the water inlet 110 is maximum and a second position of the water deflector assembly when the area of the water inlet 110 is minimum. The longitudinal limiting structure is used for attaching the water retaining assembly to the water inlet 110, so that the water outlet pressure of the water inlet 110 is increased. The transverse limiting structure conveniently limits the water retaining assembly to move in the target range area. For example, when the knob 210 is rotated to the low-pressure mark, the blocking piece 232 moves to the second position under the drive of the driving gear 221, so that the blocking piece 232 covers the water inlet 110 to the maximum, thereby reducing the flow rate at the position and minimizing the water outlet pressure of the spraying hole.
As shown in fig. 1 and 2, the lateral limit structure includes a protrusion structure 211 provided at a sidewall of the knob 210, and a low-pressure positioning rib 141 and a high-pressure positioning rib 142 provided at an outer surface of the housing 100 corresponding to the protrusion structure 211, as an embodiment. The area of the baffle 232 covering the water inlet 110 is adjusted by controlling the angle of rotation of the knob 210. The transverse limiting structure is low in processing cost, simple in structure and convenient to control.
Preferably, the top wall of the knob 210 is connected to the holding portion 212, and the end of the holding portion 212 extends beyond the edge of the knob, and the holding portion 212 is arranged to facilitate rotation of the knob 210. More preferably, marks are provided at positions of the top walls of the corresponding housings of the low pressure positioning rib 141 and the high pressure positioning rib 142, wherein A represents low pressure and B represents high pressure, so that the user can conveniently recognize the marks.
As an embodiment of a longitudinal limiting structure, as shown in fig. 3, the longitudinal limiting structure includes limiting grooves 151 and 152 disposed at two sides of the water inlet 110, and the blocking piece 232 is movably embedded in the limiting grooves 151 and 152. The baffle 232 is limited by the limiting grooves 151 and 152, when water flows through the water inlet 110 from bottom to top, upward pressure is applied to the lower surface of the baffle 232, so that the gear bar 231 of the water baffle assembly is tightly pressed with the driving gear 221, the locking of the gear and the gear bar is realized, and the water flow is prevented from pushing the driving gear 221 to rotate.
In order to facilitate cleaning of sundries entering the water passing cavity, the housing 100 includes a sealing cover 160 and a housing body 170 which are detachably connected, the sealing cover 160 is covered on a mounting hole 172 provided on the housing body 170, the sealing cover 160 is provided above the water inlet 110, and a handle 161 is provided on the top wall of the sealing cover 160. The housing body 170 is provided with a clamping groove 173 near the sealing cover 160, and the sealing cover 160 is detachably connected to the clamping groove 173 and covers the mounting hole 172. The sealing cap 160 can be coupled to or decoupled from the card slot 173 by rotating the handle 161. The structure and the installation mode of the sealing cover 160 can prevent residues from entering the water passing cavity to lock the gear-rack meshing, and avoid the blocking piece 232 from blocking the water inlet 110. The sealing cover 160 is arranged in a manner that facilitates the user to detach and install the sealing cover 160 himself, clean the driving gear 221 and the gear bar 231 and install quickly.
Preferably, the handle 161 is configured in a plate-like structure extending upward relative to the sealing cover 160. More preferably, the handle 161 includes a pair of plate-like structures disposed opposite each other. More preferably, the plate-like structure is coupled to the sealing cover 160 at a position remote from the center. The structure of the handle 161 does not cause a problem of seizing residue and is convenient to operate.
In order to enhance the sealing effect of the sealing cover 160 and the housing body 170, a sealing gasket 180 is provided between the sealing cover 160 and the housing body 170. Preferably, the outer diameter of the sealing washer 180 is radially pre-press-fitted with the mounting hole 172, and the outer diameter of the sealing washer 180 is provided with ribs to enhance sealability. After the sealing cover 160 is installed in place, the upper end surface of the sealing gasket 180 is fully pre-pressed with the plane of the sealing cover 160, so that end surface sealing is realized. The seal 240 between the seal cap 160 and the positioning table 222 also provides a sufficient pre-compression seal. The sealing cover 160 is doubly sealed with the radial and end surfaces of the mounting hole 172, and the rotating shaft 220 is sealed with the sealing ring 240 of the sealing cover 160, so that the tightness of an operation area is ensured.
Those skilled in the art will appreciate that the housing 100 may be provided as a unitary structure or as a split structure. When the casing 100 is configured as a split structure, the split type casing comprises an upper casing body and a lower casing body, and the upper casing body and the lower casing body are connected or detachably connected through welding, such as a buckle connection mode. Of course, the structure and the connection manner of the housing 100 are not limited to the above.
Referring to fig. 3 and 6, in order to reinforce the connection of the sealing cap 160 to the housing body 170, the sealing cap 160 is prevented from being separated from the housing body 170 during the rotation of the shower arm. The sealing cover 160 is provided with a fixing rib 162 corresponding to the clamping groove 173, one side of the fixing rib 162 is provided with a positive rotation limiting rib 163 propped against one side end of the clamping groove 173, the other side of the fixing rib 162 is provided with an elastic rib 164, the fixing rib 162 is provided with an avoidance gap 165 for the elastic rib 164 to deform and penetrate through the clamping groove 173, and the outer end of the elastic rib 164 can prop against the other side end of the clamping groove 173.
The seal cap 160 is mounted to the housing body 170 as follows: when the handle 161 is held by hand to rotate, the elastic rib 164 firstly enters the clamping groove 173, the elastic rib 164 has enough deformation space due to the avoidance notch 165, and when the sealing cover 160 rotates, the elastic rib 164 is bent by the clamping groove 173 towards the avoidance notch 165 and returns after passing through the clamping groove 173 area, meanwhile, the positive rotation limiting rib 163 and the clamping groove 173 limit to ensure that the sealing cover 160 cannot rotate any more, and meanwhile, the elastic rib 164 is in reverse limiting due to the contact between the restoring state and the clamping groove 173 surface. The fixing rib 162 is clamped in the clamping groove 173, so that the fixing of the housing body 170 and the sealing cover 160 is realized.
As shown in fig. 1, as an embodiment, the low pressure positioning rib 141 and the high pressure positioning rib 142 are provided on the upper surface of the sealing cover 160, and the low pressure positioning rib 141 and the high pressure positioning rib 142 are engaged with the protrusion structure 211 of the knob 210 to rotate the knob 210 in a fixed area.
As an embodiment, the sealing cover 160 is provided with a limiting hole 130, the second end of the rotating shaft 220 extends out of the limiting hole 130 and is in threaded connection with the knob 210, and the limiting hole 130 is eccentrically arranged relative to the water inlet 110; the rotating shaft 220 is provided with a positioning table 222 in rotating fit with the limiting hole 130, and a sealing ring 240 is clamped between the positioning table 222 and the limiting hole 130. The eccentric arrangement of the limiting hole 130 and the water inlet 110 makes the area of the baffle 231 covering the water inlet 110 as small as possible, so that the water pressure of the water inlet 110 can be maximum, the water pressure of the water inlet 110 has a wide adjusting range, and the range of water pressure is suitable for various clean kitchen tools.
The assembling method of the rotating shaft 220 and the sealing cover 160 includes: the second end of the rotating shaft 220 is first sleeved with the sealing ring 240 and positioned by the positioning table 222, and then passes through the limiting hole 130 of the sealing cover 160, the knob 210 is in a cover-shaped structure, and the internal thread in the inner cavity of the knob 210 is matched and fixed with the thread on the rotating shaft 220. Meanwhile, the positioning table 222 is inserted into the limiting hole 130 of the sealing cover 160 to maintain the vertical state of the rotating shaft 220, and the sealing ring 240 is not separated. The inner ring of the sealing washer 180 is sleeved on the outer diameter of the sealing rib 166 of the sealing cover 160. The knob 161 of the knob 210 needs to be aligned with the top surface of the teeth of the drive gear 221 on the spindle 220. If the assembly process cannot be realized, the knob 210 and the rotating shaft 220 may be positioned through the slot 173, and then the mutual positional relationship between the knob 210 and the top surfaces of the teeth of the driving gear 221 is achieved through the screw fixing.
Example 2: as shown in fig. 8 to 11, the spray arm with adjustable water outlet of the spray hole of the invention is different from the spray arm of embodiment 1 in the transverse limit structure and position, and specifically comprises the following steps: the transverse limiting structure comprises a low-pressure positioning cover 250 arranged on the inner wall of the shell 100, the low-pressure positioning cover 250 can be propped against the end part of one side of the baffle piece 232, when the knob 210 is rotated to the side of the baffle piece 232 to be contacted with the low-pressure positioning cover 250, the knob 210 is stopped, the water column pressure of the spraying hole 120 is minimum, and the device is suitable for cleaning light kitchen ware.
Preferably, the low pressure positioning cover 250 is removably attached to the inside surface of the bottom wall of the housing 100. More preferably, the low pressure positioning cap 250 is threadably attached to the inside surface of the bottom wall of the housing 100. The connection mode of the low-pressure positioning cover 250 does not cause obstruction when the baffle 232 is installed, after the baffle 232 is firstly installed to the longitudinal limiting structure, the low-pressure positioning cover 250 is installed, the water retaining assembly can be limited to move in a certain area, and the water retaining assembly is not easy to fall off.
As shown in fig. 10 and 11, as a high-pressure position limiting mode of the water blocking assembly, a first positioning fillet 233 is disposed at one end of the blocking piece 232 away from the water inlet 110, a second positioning fillet 171 adapted to the first positioning fillet 233 is disposed on the inner wall of the housing 100, and the blocking piece 232 is located in a first position state where the area of the water inlet 110 is the largest, where the first positioning fillet 233 abuts against the second positioning fillet 171. This high pressure position limiting not only reduces the number of parts used, but also reduces the overall volume and weight of the spray arm due to the arcuate configuration of the first locating fillet 233 and the second locating fillet 171.
When the first locating fillet 233 of the water deflector assembly contacts the second locating fillet 171, the water deflector assembly has minimal or no shielding of the water inlet 110. At this time, under the condition that the output flow and the lift of the circulating pump are fixed, the flow of the water inlet 110 reaches the maximum, so that the water outlet pressure of the spraying hole 120 reaches the maximum.
In order to facilitate the user to identify the high pressure and the low pressure of the spray arm spray water, a high pressure rotating arrow and a low pressure rotating arrow with opposite rotating directions are arranged on the knob 210, and are preferably arranged on the top wall of the knob 210, the arrow on the knob 210 is matched with the mark to represent low pressure by A, and represents high pressure by B, so that the use of the device is more intuitive for the user. When knob 210 is rotated to the high pressure mark, drive gear 221 and gear bar 231 can be correspondingly engaged in place when sealing ribs 166 are aligned with mounting holes 172 as long as the thickness of gear bar 231 on the water stop assembly is sufficient.
Example 3: as shown in figures 12-19, the spray arm with adjustable spray hole water outlet comprises a shell 100 forming a water cavity, the shell 100 is provided with a spray hole 120, the shell 100 is also provided with a compensation hole 1201, a driving assembly and an opening and closing assembly, the driving assembly drives the opening and closing assembly to open or close the compensation hole 1201, thereby adjusting the water outlet pressure of the spray hole 120, the driving assembly is arranged in the shell 100, the opening and closing assembly is further controlled by the driving assembly, the opening and closing state of the compensation hole 1201 is further controlled, when the power and the lift of a dishwasher pump are certain, the water outlet area corresponding to the shell 100 is enlarged, when the compensation hole 1201 is closed, the water outlet area corresponding to the shell 100 is reduced, according to the fluid mechanics principle, the water outlet pressure of the spray hole 120 at each part of the shell 100 is equal to the water outlet pressure of the compensation hole 1201, the opening and closing of the compensation hole 1201 are changed, the water outlet pressure and the flow rate of the spray hole 120 are finally controlled, the pressure and the flow rate of the spray hole 120 are adjusted, the pressure of the spray hole 120 and the flow rate are adjusted, when the pressure of the dishwasher pump and the dishwasher pump is adjusted, the pressure of the water is enlarged, the nipple is also the pressure of the nipple is adjusted, and the nipple is water pressure of a nipple is adjusted, and a nipple is used for washing water, and a user is washed, and a nipple is easy to wash, and a nipple is washed by a nipple, and has a nipple is washed by a water, and has a water-spraying knob, and has a water, and has can is adjusted according to a water, and has a water-spraying condition.
The driving assembly comprises a knob 210 and a rotating shaft 220, the knob 210 is connected to the top end of the rotating shaft 220, the lower end of the rotating shaft 220 is provided with a swinging rod 500 extending outwards along the radial direction of the swinging rod 500, the extending tail end of the swinging rod 500 is hinged with an opening and closing assembly, in order to realize the opening and closing of a compensation hole 1201 which is regulated by the driving assembly, the driving assembly is arranged at a water inlet in the shell 100, the driving assembly comprises the knob 210 arranged outside the shell 100 and the rotating shaft 220 arranged inside the shell 100, the rotating shaft 220 is designed to be axially parallel to the water inlet 110, a through hole is arranged in the axial direction of the rotating shaft 220, a connecting bolt 2201 is connected in the through hole in a threaded manner, the connecting bolt 2201 extends upwards to the top of the rotating shaft 220 and is connected with the knob 210 in a threaded manner, the knob 210 and the rotating shaft 220 can also be fixed in other forms such as a buckle, a bolt and the like, in order to link the driving assembly and the opening and closing assembly, when the rotating shaft 220 is driven by the rotating shaft 210 to rotate, the rotating shaft 220 is driven by the rotating shaft 220, the rotating shaft 500 which is driven by the rotating shaft 220 to rotate, and the swinging rod 500 below the rotating shaft is driven by the rotating shaft 220 to swing, and the swinging rod 500 moves to the swinging rod 500 to move to the input end of the opening and closing assembly;
The opening and closing assembly comprises a baffle cover 300 and a connecting rod 400 hinged with the baffle cover 300, the other end of the connecting rod 400 is hinged with a driving assembly, a guide groove 1202 positioned at a compensation hole 1201 is formed in the shell 100, the connecting rod 400 is driven by the driving assembly to push the baffle cover 300 to slide in the guide groove 1202, the baffle cover 300 is provided with a first position for opening the compensation hole 1201 and a second position for closing the compensation hole 1201 in the guide groove 1202, the opening and closing assembly comprises the baffle cover 300 capable of covering the compensation hole 1201, in order to enable the baffle cover 300 to directionally reciprocate relative to the compensation hole 1201, a guide groove 1202 is formed in the inner wall of the shell 100, the baffle cover 300 is embedded into the guide groove 1201 to move, a pin shaft 301 is arranged on the outer side surface of the baffle cover 300, the pin shaft 301 is hinged with one end of the connecting rod 400, the other end of the connecting rod 400 is hinged with the end of a swinging rod 500 of the driving assembly, and when the driving assembly is adjusted, the swinging rod 500 can drive the connecting rod 400 to move so as to push the baffle cover 300 in the guide groove 1202 to open or cover the compensation hole 1201;
the spray arm has a rotation plane for rotary spraying, the jet direction of the compensation hole 1201 has an included angle with the rotation plane, and water in the shell 100 is sprayed from the compensation hole 1201 to push the spray arm to rotate in the rotation plane.
The shell 100 is provided with a water inlet 110, the shell 100 is internally provided with a water retaining component for adjusting the water inflow of the water inlet 110, the water retaining component is in transmission connection with a driving component, the water retaining component is provided with a low-pressure position for adjusting the water inflow of the water inlet 110 and a high-pressure position for adjusting the water inflow of the water inlet, the driving component drives the water retaining component to be linked with an opening and closing component, when the water retaining component is alternatively positioned at the low-pressure position or the high-pressure position, the blocking cover 300 is used for selectively opening or closing the compensating hole, if the compensating hole 1201 is in a one-piece structure with the spraying hole 120, and the number of the compensating hole 1201 is not large, the opening and closing of the compensating hole 1201 has little difference in effect on the adjustment of the water outflow pressure of the spraying hole 120, the cleaning effect of jet flow on the surface of an article is related to the water outflow pressure of the spraying hole 120, and the instant length of the water outflow of the spraying hole 120 stays at each point on the surface of the article is related, so that the jet flow direction of the compensating hole 1201 has an included angle with a rotating plane of the spraying arm, and the compensating hole 1201 can clean the article, and the function of adjusting the water outflow pressure of the spraying hole 120 and the rotating speed of the spraying arm; in order to further control the water pressure in the spray arm, the minimum water outlet pressure of the spray hole 120 is further reduced, the dish washer can clean food which is easy to break such as waxberry, strawberry and blueberry, a water retaining component is further arranged in the shell 100, in order to optimize the structure and reduce the cost, the water retaining component and the driving component are in linkage, when the water retaining component is controlled by the adjusting driving component to increase the water pressure of the spray hole 120, the compensating hole 1201 is closed by the opening and closing component, the water outlet pressure of the spray hole 120 is increased, the rotating speed of the spray arm is reduced to strengthen the washing, each point of the article is subjected to continuous high-pressure water impact, when the water retaining component is controlled by the adjusting driving component to reduce the water pressure of the spray hole 120, the compensating hole 1201 is opened by the opening and closing component, the water outlet pressure of the spray hole 120 is reduced, the rotating speed of the spray arm is improved to carry out soft protection washing, each point of the article is subjected to high-frequency low-pressure water impact, a user can spray the knob 210 according to requirements, the water outlet pressure and the water outlet flow of the spray hole 120 are adjusted simultaneously by controlling the driving component, and the rotating speed of the spray arm is adjusted, so that the dish washer provided with the spray arm can wash any article.
The driving assembly is provided with driving teeth 2211, the water retaining assembly comprises a fluted disc 2311 in meshing transmission with the driving teeth 2211 and a baffle plate 232 arranged on the fluted disc 2311, a positioning bolt 2312 is arranged in rotation at the center of the fluted disc 2311, the lower end of the positioning bolt 2312 is in threaded connection with a positioning seat 2313 on the inner wall of the shell 100, the driving teeth 2211 drive the fluted disc 2311 to rotate so as to drive the baffle plate 232 to open or partially shield the water inlet 110, in order to realize linkage of a rotating shaft 220 of the driving assembly and the water retaining assembly, the driving teeth 2211 are arranged on the rotating shaft 220, the water retaining assembly comprises a plurality of fluted discs 2311 in meshing transmission with the driving teeth 2211, when the rotating shaft 220 is rotated, the driving teeth 2211 drive the fluted disc 2311 in meshing transmission with the driving teeth 2211 to rotate, one end of the baffle plate 232 is connected to an end door of the fluted disc 2311, the baffle plate 232 further swings synchronously with the rotating fluted disc 2311 to cover or open the water inlet 110 below the baffle plate, the water flow channel resistance of the inner joint of the water inlet 110 and a spray arm is changed, and the inner pressure of the spray arm is changed by adjusting the flow speed, in order to further reduce the obstruction of the driving teeth 2211 to the water inlet 110, the water pressure of the driving teeth 2211 is maximally obstructed by the driving teeth 2211, and the driving teeth are spliced to the driving teeth 2211.
A limiting part is arranged in the shell 100, and comprises a swing opening limiting structure and a swing closing limiting structure, wherein the swing opening limiting structure limits the other end of the baffle 232 to swing to a first position with the largest area of the water inlet 110; the swing closing limiting structure limits the other end of the baffle 232 to swing to the second position with the minimum area of the water inlet 110, the fluted disc 2311 drives the baffle 232 to swing to the high-pressure position, the limiting part limits the swing angle of the baffle 232 by arranging the limiting part in the shell 100, the excessive torsion knob 210 is prevented from being used by a user, the baffle 232 and the swing rod 500 can not be blocked in the shell 100, the limiting part can be two baffle blocks or an arc chute 600, the function of the limiting part is to enable the movement process of the baffle 232 to be smoother, the outline shape of the arc chute 600 is matched with the glancing track shape of the end part of the baffle 232 when the baffle 232 swings, so that the end part of the baffle 232 is always attached in the arc chute 600, the maximum rotation angle of the knob 210 can be limited, the water pressure can be balanced, and the baffle 232 can be prevented from being blocked by the driving teeth 2211 and the fluted disc 2311 due to uneven stress.
The fluted disc 2311 is provided with a plurality of symmetrical arc-shaped sheet structures at the axis of the water inlet, the baffle plates 232 are in an arc-shaped sheet structure matched with the outline of the water inlet 110, one end of each baffle plate 232 is connected with the fluted disc 2311, the driving assembly rotates to drive the fluted disc 2311 to drive the corresponding baffle plates 232 to swing around the axis of the fluted disc 2311 so as to adjust the flow of the water inlet 110, and as the baffle plates 232 are of the arc-shaped sheet structure, even if each baffle plate 232 rotates to be in a closed state, a central through hole is reserved at the center of each baffle plate 232, so that the baffle plates 232 can prevent the water inlet 110 from being blocked completely, the damage of a water pump or a spray arm is avoided, and each baffle plate 232 is not easy to deflect due to water flow impact.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details 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 a spray arm that spray hole goes out water adjustable, the spray arm is including the casing that forms the water cavity, the casing sets up water inlet and a plurality of spray holes, rivers follow the water inlet gets into behind the water cavity follow spray hole blowout, its characterized in that: the water inlet is arranged in the shell, the water inlet is positioned at the water inlet, the driving assembly penetrates through the shell from the water passing cavity, the driving assembly drives the water inlet to move relative to the water inlet so as to open or partially cover the water inlet, and the water blocking assembly is used for adjusting the water outlet pressure of the spraying hole by shielding the area of the water inlet; the valve mechanism further comprises an opening and closing assembly arranged in the water passing cavity, the shell is further provided with a compensation hole, and the driving assembly drives the opening and closing assembly to open or close the compensation hole; the driving component drives the water retaining component to be linked with the opening and closing component, and when the water retaining component is alternatively positioned at the low-pressure position or the high-pressure position, the opening and closing component correspondingly opens or closes the compensation hole; so the jet direction of compensation hole has the contained angle with the plane of rotation of spray arm, and when adjusting drive assembly control manger plate subassembly and heightening spray Kong Shuiya, the subassembly is opened and close the compensation hole, reduces spray arm rotational speed, and when adjusting drive assembly control manger plate subassembly and heightening spray Kong Shuiya, the subassembly is opened and is opened the compensation hole, improves spray arm rotational speed.
2. The spray arm with adjustable spray hole water outlet according to claim 1, wherein: the driving assembly comprises a rotating shaft provided with a driving gear, a baffle plate and a gear bar matched with the driving gear are arranged on the water retaining assembly, and the driving gear drives the gear bar to linearly move so as to drive the baffle plate to open or partially shade the water inlet.
3. The spray arm with adjustable spray hole water outlet according to claim 2, wherein: the spray arm is provided with a longitudinal limiting structure and a transverse limiting structure;
the transverse limiting structure limits a first position with the largest area of the water inlet covered by the water retaining assembly and a second position with the smallest area;
the longitudinal limiting structure limits the water retaining assembly to be attached to the water inlet for movement.
4. A spray arm with adjustable spray hole water outlet according to claim 3, wherein: the transverse limiting structure comprises a protruding structure arranged on the side wall of the knob, and a low-pressure positioning rib and a high-pressure positioning rib which are arranged on the outer surface of the shell in a corresponding manner with the protruding structure; or (b)
The transverse limiting structure comprises a low-pressure positioning cover arranged on the inner wall of the shell, and the low-pressure positioning cover can be propped against one side end part of the water retaining component;
The longitudinal limiting structure comprises limiting grooves arranged on two sides of the water inlet, and the water retaining assembly is movably embedded in the limiting grooves.
5. The spray arm with adjustable spray hole water outlet according to claim 1, wherein: the driving assembly comprises a rotating shaft provided with driving teeth, the water retaining assembly is provided with a baffle plate and a fluted disc matched with the driving teeth, and the driving teeth drive the fluted disc to rotate so as to drive the baffle plate to swing to open or partially shade the water inlet.
6. The spray arm with adjustable spray hole water outlet according to claim 5, wherein: the spray arm is provided with a swing opening limit structure and a swing closing limit structure;
one end of the baffle plate is connected with the fluted disc, and the other end of the baffle plate swings around the axle center of the fluted disc;
the swing opening limiting structure limits the other end of the baffle to swing to a first position with the largest area of the water inlet;
the swing closing limiting structure limits the other end of the baffle to swing to a second position with the smallest area of the water inlet.
7. The spray arm with adjustable spray hole water outlet according to claim 6, wherein: the fluted disc is provided with a plurality of baffle plates symmetrically at the axis of the water inlet, the baffle plates are of arc-shaped sheet structures matched with the outline of the water inlet, the baffle plates are spliced and limited at the second position, a plurality of concentric central through holes with the water inlet are formed after the baffle plates are spliced, and the area of the central through holes is smaller than that of the water inlet.
8. The spray arm with adjustable spray hole water outlet according to any one of claims 1-7, wherein: the opening and closing assembly comprises a blocking cover and a connecting rod, and the driving assembly drives the connecting rod so that the blocking cover opens or closes the compensation hole.
9. The spray arm with adjustable spray hole water outlet according to claim 8, wherein: the driving assembly is provided with a radially extending swing rod, the extending tail end of the swing rod is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged with the blocking cover.
10. The spray arm with adjustable spray hole water outlet according to claim 9, wherein: the shell is provided with a guide groove positioned at the compensation hole, the connecting rod pushes the blocking cover to slide in the guide groove under the drive of the swing rod, and the blocking cover is provided with a first position for opening the compensation hole and a second position for closing the compensation hole in the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911235130.2A CN110974110B (en) | 2019-12-05 | 2019-12-05 | Spray arm with adjustable spray hole water outlet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911235130.2A CN110974110B (en) | 2019-12-05 | 2019-12-05 | Spray arm with adjustable spray hole water outlet |
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| CN110974110A CN110974110A (en) | 2020-04-10 |
| CN110974110B true CN110974110B (en) | 2024-02-13 |
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| CN201911235130.2A Active CN110974110B (en) | 2019-12-05 | 2019-12-05 | Spray arm with adjustable spray hole water outlet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111481135B (en) * | 2020-04-20 | 2021-11-26 | 海尔优家智能科技（北京）有限公司 | Method and device for controlling chopstick washing machine and chopstick washing machine |
| CN111973115B (en) * | 2020-08-21 | 2023-10-03 | 珠海格力电器股份有限公司 | Dish-washing machine |
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