CN203829079U - Oral cavity irrigator with table-board - Google Patents

Abstract

The utility model provides an oral cavity irrigator with a handpiece. The oral cavity irrigator is provided with a shell, wherein the shell comprises a base unit and a storage container, wherein the base unit comprises an upper part, a lower part, an upper surface and a plurality of rubber feet; the storage container can be located on the base unit to ensure that a cavity covers on the base unit; the storage container can also be located on the base unit to ensure that the bottom surface of the storage container is arranged on the top surface of the upper part and a port is aligned to a hole and is jointed with the hole in a sealed way; a concave part is used for orienting a groove; the handpiece is received in the groove and is covered by the top wall; the lower part comprises a plurality of rope limiting features starting to extend from the bottom surface to the lower part and a rope retaining wall starting to extend from the top surface.

Description

Table top oral rinsing device

Technical field

The present invention relates to oral rinsing device shell, relate in particular to object be to keep between base portion and reservoir correct towards and handpiece is provided to the oral rinsing device shell of protection.

Background technology

Oral rinsing device is the very welcome device for dental hygiene using in the time keeping gingiva healthy.But the volume of general oral rinsing device is relatively large, be therefore difficult to put down for.Owing to using oral rinsing device in the bathroom of being everlasting, and generally bathroom seldom has or does not have table space, and therefore the size of oral rinsing device makes their be difficult to use sometimes.The size of oral rinsing device also makes oral rinsing device be difficult to store in the time not using.

The removable reservoir that comprises easy filling at oral rinsing device, owing to reservoir and base portion correctly must being engaged, to guarantee that the fluid connection from reservoir to base portion is fluid-tight, and do not leak, be therefore difficult to these reservoirs to be correctly repositioned on base portion.Without any guide or position guiding in the situation that, sometimes reorientate reservoir very difficult.

In addition,, in the time that handpiece is stored in base portion, it often suffers to be shifted or to damage the unexpected contact of handpiece.General oral rinsing device makes handpiece can erectly be stored in reservoir side, but in this position, the side in all sides of handpiece is exposed to user's potential accidental destruction contact.

Need in the art to have for making the oral rinsing device shell of separable reservoir to the orientation for place structure more easily completing adhering to of base portion.In addition, need to, in the time that handpiece is erectly stored on base portion, form around the oral rinsing device shell of the protectiveness housing of handpiece.

Summary of the invention

Consider the shortcoming of above-mentioned obtainable shell, developed oral rinsing device shell of the present invention.The invention provides a kind of oral rinsing device with improved reservoir placement guide, more easily and more accurately with stand up position, reservoir is positioned to base unit top for convenient.In addition, the reservoir in stand up position, by handpiece is enclosed in the groove in reservoir, acts on the handpiece of protection storage.Reservoir also can be used as the lid for the protection of handle and nozzle tip, and oral rinsing device can more easily be stored.

In more detail, the shell with the oral rinsing device of handpiece comprises base unit, and described base unit has upper and lower, this bottom can engage with support surface, and base unit has upper surface, described upper surface is defined for the recess that receives described handpiece, and limits periphery shoulder.Cong Gai bottom, this top starts upwards to extend, and limits top surface, and this top surface limits port, and this top is positioned in periphery shoulder inside.Reservoir has basal surface and starts upwardly extending sidewall from described basal surface, described basal surface limiting hole, described basal surface and described sidewall limit the chamber with peripheral outer lips, a described sidewall part limits groove, described groove extends to top end from described basal surface, and described top end is contiguous in position and the described peripheral outer lips of described peripheral outer lips inside.Top wall extends to described peripheral outer lips from the described top end of described groove, and described top wall forms the portion of dangling.

Described reservoir can be positioned in described base unit, peripheral outer lips is closed on outer cover unit, so that the top of motor housing unit is included in chamber with periphery shoulder grafting.Reservoir also can be positioned in described base unit, and the described basal surface of described reservoir is placed on the described top surface on described top, makes described port align and engage hermetically with described hole.Use described recess to carry out orientation to described groove, wherein, described handpiece is received in described groove, and is covered by described top wall.Base portion can also have multiple rubber footing of the basal surface that comprises convex shape.The material of rubber footing, together with the convex shape of basal surface, helps anti-skidding and prevents that oral rinsing device from moving.

In addition, shell can also comprise from the top surface of base unit and start upwardly extending wedge, and the basal surface of reservoir limits the recess having with the shape of described wedge complementation.In the time that described reservoir is positioned in described base unit, described wedge is received in this recess, and the basal surface of reservoir is placed on the top surface on top, and makes described port align and engage hermetically with described hole.

By understanding the accompanying drawing of short summary below, below to detailed description of the currently preferred embodiments of the present invention and claims, can obtain the more complete understanding to the present invention and its scope.

Brief description of the drawings

Fig. 1 is the axonometric chart of the handle of oral rinsing device.

Figure 1A is the axonometric chart that comprises oral rinsing device shell of the present invention, and it shows in base unit the reservoir in stand up position and is positioned in the handpiece in the groove forming in reservoir.

Fig. 2 is the exploded perspective view of the oral rinsing device shell of Figure 1A together with 3.

Fig. 4 is the axonometric chart of the oral rinsing device shell of reservoir Figure 1A in lid position.

Fig. 5 is the axonometric chart illustrating the handpiece oral rinsing device that the storage recess on base unit removes from it.

To be reservoir be positioned in the side view of the oral rinsing device in groove in stand up position and handpiece to Fig. 6.

Fig. 7 is the decomposition view that the oral rinsing device shell of drug reservoirs and lid is shown.

Fig. 8 is the side isometric view of the handpiece of oral rinsing device.

Fig. 9 is the top perspective view of the outlet valve of the handpiece of oral rinsing device.

Figure 10 is the face upwarding stereogram of the base portion of oral rinsing device.

Figure 11 is the amplification inclinating view of the base portion of oral rinsing device.

Figure 12 is the top perspective view that has removed the base portion of the oral rinsing device of top enclosure for internal part is shown.

Figure 13 is the amplification sectional view that the base portion of the footing of base portion is shown.

Figure 14 is the side isometric view of the footing of base portion.

Figure 15 is the top perspective view that has removed the oral rinsing device on the top of shell for internal part is shown.

Figure 16 is the side isometric view that has removed the oral rinsing device on the top of shell.

Figure 17 A is the amplification top perspective view of the pump of oral rinsing device.

Figure 17 B is the zoomed-in view of Figure 17 A.

Figure 18 is the side isometric view of the pump of oral rinsing device.

Figure 19 is the amplification sectional view of the pump of oral rinsing device.

Figure 20 is the axonometric chart of the control circuit of oral rinsing device.

Figure 21 A is the side isometric view of the switching mechanism of oral rinsing device.

Figure 21 B is the top perspective view of the switching mechanism of Figure 21 A.

Detailed description of the invention

In Figure 1A, illustrate and comprised oral rinsing device shell 20 of the present invention.Shell 20 comprises base unit 22 and reservoir 24, the water of reservoir 24 for keeping providing to base unit 22, and cover base unit 22.Handpiece 26 is attached to base unit 22 by managing 28, is used for pilot pulse current.This oral rinsing device is as a part for correct tooth hygiene custom.

As illustrated best in Figure 1A and 3, base unit 22 has bottom 30 and top 32, and 32Cong bottom, top 30 starts upwards to extend, and exposes upper surface 34.Bottom 30 has for being placed in such as the bottom surface 36 in the support surface of desk, tank or dressing table.Upper surface 34 defines recess 38 (referring to Fig. 5), and recess 38 has rectangular peripheral 40 and the curved bottom surface 42 around the pipe 28 of form for memory disc.In addition, upper surface 34 comprises almost circular recess 44, and recess 44 is for receiving the handle 46 of handpiece 26, and it is remained near the top 32 of base unit 22 with stand up position.Upper surface 34 also defines at least one recess 48, and recess 48 is for receiving the base portion 50 of spray tip part 52 of handpiece 26.The bottom 30 of base unit 22 also comprises lower shirt rim 54, and lower shirt rim 54 is at its top 58 places, and in the intersection of the upper surface 34 of peripheral skirt 54 and bottom 30, definition is peripheral shoulder 56 continuously.

The upper surface 34 of the 32Cong bottom, top 30 of base unit 22 starts upwards to extend, and is included in peripheral shoulder 56.Top 32 has bending, substantially vertical sidewall 60 and top surface 62.Top surface 62 relatively flats, it is limited to the entrance 64 wherein forming.In top surface 62, form wedging protuberance 66, wedging protuberance 66, from one end of top surface 62, extends to opposite end along the length dimension on top 32.Wedging protuberance 66 have with the first smooth wide end 68 of one end adjacency of top surface 62 and with first end 68 relative the second bending narrow end 70.Preferably the width between first end and the second end is widened a little in centre, then narrows to the second end tip 70 of bending.

Base unit 22 is held motor and the pump for pulse water flow is provided to handpiece 26.As described in more detail below, pump receives from the water that is stored in the fluid in reservoir 24.Motor is by the line power voltage supply that is connected to standard electrical receptacle by socket rope 72 and plug 74.

Pipe 28 is attached to the output of pump, and is carried to the pulsed flow of handpiece 26.Handpiece 26 comprises handle 46 and separable spray tip 52, and it is used for along the direction pilot pulse fluid of wishing.Handpiece 26 can be stored in the recess 44 forming in the upper surface 34 of bottom 30 in base unit 22.With upright towards, be adjacent to store handpiece 26 with the top 32 of base unit 22.

As illustrated best in Figure 1A, 2 and 4, reservoir 24 has basal surface 76 and starts upwardly extending sidewall 78 from basal surface 76, basal surface 76 limiting holes 80.Basal surface 76 and sidewall 78 be combined to form chamber 82, chamber 82 has the peripheral flange 84 that limits opening.The basal surface 76 of reservoir 24 also limits recess 86, recess 86 have with the top surface 34 on the top 32 in base unit 22 on the shape of wedge protuberance 66 complementations that form.Recess 86, from one end of basal surface 76, extends to opposite end along the length dimension of reservoir 24.Recess 86 is formed on the intersection of basal surface 76 and sidewall 78, forms recess thus in sidewall 78.Wedging recess 86 have with the first smooth wide end 88 of one end adjacency of basal surface 76 and with first end 88 relative the second bending narrow end 90.Preferably the width between first end and the second end is widened a little in centre, then narrows to the second end tip 90 of bending.Preferably reservoir 24 is by making such as the plastics of ABS or high impact polystyrene.

Sidewall 78 also limits groove 92 at the angle place of reservoir 24, and groove 92 starts to extend up to the top end 94 contiguous with peripheral flange 84 from basal surface 76.Recessed region 92 starts to extend internally from peripheral flange 84.Top wall 96 starts flange 84 to the periphery from the top end 94 of groove 92 and extends, and forms the portion 98 of dangling.Preferably the wall 100 of groove is each other in right angle, and between wall, becomes fillet to intersect.The wall 100 of groove is crossing with top wall 96 with fillet.

Reservoir 24 can using upright and as two kinds, lid different towards being positioned in base unit 22, and have advantages of separately its oneself.In stand up position, the basal surface 76 of reservoir 24 contacts with the upper surface 34 on the top 32 of base portion 22.In stand up position, reservoir 24 can keep water, for providing to pump according to hope, to flow through handpiece 26.In order to provide water to pump, the hole 80 forming in the basal surface 76 of reservoir 24 is aimed at and is engaged hermetically with the entrance 64 of formation in the top surface 62 on the top 32 of base unit 22.The structure that hole can be engaged hermetically with entrance 64 is such as the United States Patent (USP) of quoting in the above the 5th, disclosed known or obtainable structure arbitrarily in 399, No. 089.

By by the wedge on the top surface on the top of base unit 22 32 62 66, be positioned in the recess 86 of the shape complementarity forming in the basal surface 76 of reservoir 24, reservoir 24 is correctly positioned in base unit 22.Alongst reservoir 24 is moved to the position that the tip 70 of wedge 66 and the tip 90 of recess 86 engage on base portion 22 time, the wedge 66 of elongation can enter one end of recess 86.At this point, the whole length of wedge 66 is positioned in recess 86.The sidewall of wedge 66 engages with the sidewall of recess 86, to help to keep the correct located lateral of reservoir 24 on the top surface 62 of base unit 22.When the tip 70 of wedge 66 and the tip 90 of recess 86 engage, longitudinal register and the located lateral of reservoir 24 are correct, and hole 80 and entrance 64 align, to engage hermetically.User is by the tip of wedge 66 70 being inserted to the open end 88 of recess 86, and vertically moves reservoir 24 along the top of base unit 22, until the tip 70 of wedge 66 and the tip 90 of recess 86 easily start this guiding and engage.

Because several reasons, this wedging orientation of reservoir 24 and base unit 22 is very important.A major reason is that reservoir 24 generally, after filled with water, is arranged on base portion 22.Wedge structure is as guide, and therefore user does not need to guess the correct center of reservoir 24 in base unit 22, and does not also need to estimate hole 80 and the correctly position of orientation of entrance 64.

After correctly locating reservoir 24, user uses on (connection)-off (disconnection) switch, starter motor and the pump in base unit 22.Pump is extracted water out reservoir 24, and pumping its by handpiece 26, until reservoir 24 becomes sky.

Another advantage that reservoir 24 is placed in base unit 22 with stand up position is that its protection is stored in the handpiece 26 in base unit 22 with stand up position.As shown in figs. 1 and 6, the position that handpiece 26 receives in the groove 92 extending in reservoir 24 and by groove 92, upwards extends.Sidewall 96 extends to handpiece 26 tops, and the sidewall 100 of two adjacency of groove 92 protects handpiece to avoid user's vertical or lateral contact unintentionally.This is the different advantages that are better than making handpiece to be exposed to being not intended to other oral rinsing device of contact and possible damage.

Once become empty, and user complete his or she use to oral rinsing device, can make reservoir 24 depart from the top of base unit 22, and reversion is placed on base unit 22 tops, as shown in Figure 4.In this lid position, must remove the spray tip 52 of handpiece 26, and spray tip 52 is stored in to its particular memory location in the bottom 30 of base unit 22, but the handle 46 of handpiece 26 can be retained in its specific recess 44.The peripheral flange 84 of reservoir 24 engages with the periphery shoulder 56 on the bottom 30 of base unit 22, so that reservoir 24 is carried out to orientation, and keeps it in place.Make oral rinsing device can there is the size reducing in the reservoir 24 of lid position and store, and help prevent handle 46 and spray tip 52 are shifted, lose or damage.

Fig. 7 and 8 shows the optional embodiment of the reservoir 24 for using in base unit 22.This optional reservoir 102 is less, for such as when will be in the time that oral rinsing device makes with medicament, uses liquid in a small amount to use.The hole 106 that basal surface 104 restrictions of drug reservoirs 102 are identical with hole above.The basal surface 104 of drug reservoirs 102 also with the above-mentioned space to hole towards the identical space to hole towards, form recess 108.The length of the recess 108 on the basal surface 104 of drug reservoirs 102 is relatively short, and it receives tip 70 and has the wedge 66 of the formation of the top in base unit 22 of short length.Most of length of wedge 66 extends to recess outside.Even so, recess 108 combines as guide work with wedge 66, drug reservoirs 102 is correctly positioned on the top surface 62 of base unit 22, so that hole 106 and entrance 64 are carried out to correct orientation.Drug reservoirs 102 comprises top cover 110, and top cover 110 has along the ridge handle 112 of top cover 110 longitudinal extensions.Top cover 110 is used for closing the open end of drug reservoirs in the situation that of hope.

In operation, the invention provides a kind of oral rinsing device with improved reservoir placement guide, more easily and more accurately with stand up position, reservoir is positioned to base unit 22 tops for convenient.In addition, the reservoir in stand up position, by handpiece is enclosed in the groove in reservoir, acts on the handpiece of protection storage.Reservoir also can be used as the lid for the protection of handle and nozzle tip, and oral rinsing device can more easily be stored.

pipe fitting

In certain embodiments, oral rinsing device can comprise the pipe fitting for handpiece 26 being connected to movably to shell 24.Fig. 8 and 9 shows the various views that can be used as the pipe fitting of outlet non-return valve that can use together with handle.With reference to figure 8 and 9, pipe 28 is connected between handle 46 and accessory 120.Accessory 120 is connected to one end of pipe 28, and pipe 28 is connected to shell 24.Accessory 120 comprises two wing 122a, 122b, and wing 122a, 122b comprise the C shape end that accessory 120 is fixed to the securing member of shell 24 for receiving.The top end of accessory 126 comprises the valve pocket 126 with valve supporting structure 128.Valve supporting structure 128 is supported the valve that the fluid stream between reservoir and pipe 28 is controlled.

In the embodiment of oral rinsing device that comprises pipe fitting 120, can remove handpiece 28 and replace from shell 24.For example, handpiece 26 break down or the example of breakage or tracheal rupture in, can be by removing accessory 120 from shell 24, and another accessory 120 is connected with pipe 28 and handpiece 26, replace handpiece 26 and pipe 28.Not comprising in the embodiment of pipe fitting 120, because pipe 28 and handpiece are permanently connected to shell 24, therefore, in the situation that handpiece 26 or pipe 28 break down, must replace whole oral rinsing device.

Figure 10 is the face upwarding stereogram of bottom 30.With reference to Figure 10, use two securing members 121, pipe fitting 120 is fixed to the basal surface of bottom 30.Securing member 121 is connected to each in wing 122a, 122b, and accessory 120 is fixed to shell 24.Figure 11 is the zoomed-in view that is connected to the pipe 28 of the shell in Figure 10.With reference to Figure 11, in certain embodiments, bottom 30 can comprise from the basal surface 129 of bottom 30 and starts upwardly extending multiple pipe limit features 130,132,133.Pipe limit features 130,132,133 can be the L shaped hook around of at least a portion that is wrapped in pipe 28 outer surface.Pipe limit features 130,132,133 is used for fixing the position of pipe 28, to prevent that it from moving in the time that user uses handpiece 26.But, pipe limit features the 130,132, the 133rd, hook shape, this can replace in the example of pipe 28 and/or handpiece 26 in hope user, and pipe 28 is removed from it.

restrict spacing

When shell 24 can also be included in power supply rope 72 and extends to power supply from driver circuit, be used for fixing the rope limit features of the position of power supply rope 72.Figure 12 is the top perspective view of the bottom 30 that removes from shell 24.With reference to Figure 12, bottom 30 can comprise that starting upwardly extending rope from top surface 145 keeps wall 142.Rope keeps wall 142 to limit the rope passage 146 that is configured to receive rope 72.In some instances, rope passage 146 can comprise one or more bending, to form serpentine shaped.This shape can more safely limit rope 72 and not move, and these 72 tension force that may stand that make to restrict reduce.

Bottom 30 can also comprise from basal surface 144 and starts upwardly extending folded walls 148.Rope 72 is configured to extend to folded walls 148 tops and is wrapped in around folded walls 148.By this way, folded walls 148 is restricting 72 to falling back, and before contacting with basal surface 144, from basal surface 144, rope 72 is upwards lifted.Folded walls 148 also helps the position of static line 72, even in the time of user's stay cord 72, also prevents from rope to apply tension force.In other words, rope from rope in the time that any skidding of folded walls 148 enters and basal surface 144 be oriented orthogonally to, change into parallelly with basal surface 144, and supported by basal surface 144.

In addition, oral rinsing device can comprise the setting fastening 140 (referring to Figure 15) that extends through 30Zhong hole, bottom.Setting fastening 140 can be the adjustable connector of zipper strip or other type.Setting fastening 140 extends through 30Zhong hole, bottom, is wrapped in around rope 72, then fastens, and rope 72 is moved on the basal surface 144 that leans against bottom 30.Setting fastening 140, as additional tension release portion, can be located at the position separating with maintenance wall 142 on rope 72.By this way, by global feature and the removable feature of bottom 30, can be by position rope 72.

shell is supported

Refer again to Figure 10, bottom 30 can comprise multiple foots 150,170,172,174.Figure 13 is the sectional view that the bottom 30 of in the foot that is connected to bottom is shown.Figure 14 is the axonometric chart of in foot.With reference to Figure 10,13 and 14, foot 150,170,172,174 comprises cannelure 152 and top boss thing 154.The basal surface of foot 150,170,172,174 can be the convex shape such as bell or dome.

With reference to Figure 13, in multiple cylinders 160 that foot 150,170,172,174 is extended at the basal surface from bottom 30, be fixed to bottom 30.Cylinder 160 can comprise the inner loop 162 with the diameter less than cylinder 160.Ring 162 is positioned in cylinder 160, and the diameter of cylinder 160 is reduced.Foot 150,170,172,174 is received in cylinder 160, and thrust 154 upwards extends through ring 162 interstitial hole, and ring 162 is received in cannelure 152.Extend in the past to the feather edge of cylinder 160 bottom of foot 150,170,172,174, and against the basal surface that encircles 162.By this way, ring 162 is used for fixing the position of foot 150,172,174, and prevents that foot 150,170,172,174 from coming off from bottom 30.

Foot 150,170,172,174 can be rubber or other anti-slip material.In these embodiments, because the rubber of foot and the surface engagement such as table top, and anti-skidding, therefore foot 150,170,172,174 helps prevent oral rinsing device to slide surfacewise.The non-slip feature that provides of foot makes the oral rinsing device can weight reduction, and in the time of pump work, does not cause oral rinsing device to move.

pump assembly

Oral rinsing device can also comprise gear box cover, for covering the internal part of pump.Figure 15 is the top perspective view that the bottom 30 of the oral rinsing device of the internal part of oral rinsing device is shown.Figure 16 is the side isometric view of the bottom of Figure 15.With reference to Figure 15 and 16, oral rinsing device can comprise gear box cover 202.Gear box cover 202 is fixed to the top surface of bottom 30 by securing member 210.As will be described in more detail, gear box cover 202 helps protection pump machanisms, and when to handle unit 26 pumping fluid, prevents that oils and fats etc. from mixing with fluid.

Gear box cover 202 comprises from the upwardly extending supporting pillar 204 of its top surface.Supporting pillar 204 comprises three rib 206a, 206b, 206c, and rib 206a, 206b, 206c extend downwardly into the top surface of gear box cover 202 from the top of supporting pillar 204.The cross section of rib 206a, 206b, 206c is triangle, and outwards angled towards the top surface of gear box cover 202 from the top end of post 204.Rib 206a, 206b, 206c coupled columns 204 support, and provide extra rigidity and support to it, though with stand to discuss in more detail below at it the revolving force producing due to pump assembly time, also help its holding position to fix.

Figure 17 A and 17B show the amplification stereogram of gear-box.Gear box cover 202 is arranged on top surface 145 tops of bottom 30.Especially, bottom 30 can comprise from top surface 145 and starts upwardly extending gearbox wall 214.Gearbox wall 214 can be sketched the contours the circumference of gear-box, and limits the chamber of the alternative pack that receives pump 216.Gearbox wall 214 can comprise gear cover 217, and gear cover 217 is positioned between the end wall 224 and inner chamber of gearbox wall 214.Gear cover 217 can be shorter than end wall 224, but enough high, separates, and prevent from entering the space between end wall 224 and cover 217 from the oils and fats and the fragment that are driven gear 218 will be driven gear 218 with end wall 224.In certain embodiments, gear cover 217 can have the bending shape corresponding with the shape of being driven gear 218, thereby does not disturb the rotation of gear 218.

Gear box cover 202 is arranged on gearbox wall 214 at least a portion tops, and is connected to top surface 145 or the chassis of bottom 30 via securing member.By this way, in the time that gear box cover 202 is fixed to bottom 30, at least a portion of gear box cover 202 hiding gearbox wall 214 is not in sight.

With reference to figure 17A, can with gearbox wall 214 positional tolerance securing member 223 adjacently.Tolerance securing member 223 helps motor and driven unit to be fixed to bottom 30, and helps limit design tolerance.

Continue with reference to figure 17A and 17B, between gear cover 217 and end wall 224, limit and discharge outlet 222 by bottom 30.Discharging the fluid (water, oils and fats etc.) that outlet 222 makes to deposit on the top surface 145 of bottom 30 can discharge from oral rinsing device, and is discharged in support surface.This makes user can remove these fluids (with other rubbish).Outlet 222 can be positioned in the depression 221 limiting in the top surface 145 of bottom.It is below horizontal that depression 221 can be recessed into 145 top, surface, to impel fluid (under the help of gravity) and rubbish to flow to outlet 222 from other region of top surface 145.By this way, the combination of outlet 222 and depression 221 makes fluid and rubbish flow out gear-box.

Gear case assembly can also comprise piston seal 208.With reference to Figure 15,17A and 17B, piston seal 208 is positioned in the connecting rod 220 of pump assembly 216 and holds between the pump housing 230 of piston.Piston seal 208 is normally by the round of making such as the encapsulant of rubber.Piston seal 208 can comprise the groove 232 extending around its circumference.Piston seal 208 is arranged on gearbox wall 214 tops, and groove 232 is positioned on one end of end wall 224, and gear box cover 202 is arranged on another part of groove 232.By this way, piston seal 208 is clipped between gear box cover 202 and gearbox wall 214.

Piston seal 208 helps prevent fluid, oils and fats and other rubbish control electronic equipment away from oral rinsing device, and the vibration damping for pump is also provided simultaneously.Especially, piston seal 208 materials can absorb vibration, and this can reduce oral rinsing device produces in the time that oral rinsing device is worked noise and movement.

Now, discuss pump 216 in more detail.Figure 18 is the side isometric view of pump 216.With reference to Figure 18, pump 216 can comprise the pump housing 230, piston 250, connecting rod 220, be driven gear 218, pinion 242 and motor 212.

Motor 212 comprises the driving shaft that is connected to pinion 242.Pinion 242 with driven gear 218 and engaged.In certain embodiments, pinion 242 and driven gear 218 and both can comprise spiral grear teeth 246,248.Spiral grear teeth 246,248 extends with the angle of the outer surface around gear 218,242.Because the load on gear is across the distribution of lengths of each specific tooth, therefore the inclination angle face of gear reduces load, the noise that this engagement that also reduces gear produces.

Being driven gear 218 is supported axle 240 and is supported on bottom 30.The connection of supporting axis 240 to bottom 30 and gear box cover 202 will be discussed in more detail below.

Connecting rod 220 is connected to and is driven gear 218, and is connected to piston 246.The first end of piston 246 and connecting rod 220 is received in the pump housing 230.In operation, motor 212 rotates pinion 242, and pinion 242 then makes to be driven gear 218 and rotates.In the time being driven gear 218 and rotate, drive connecting rod 220, so that piston 250 is in the interior vertical movement of the pump housing 230.In the time that piston 230 moves, it is alternately extracted water out from reservoir, then water is released to handpiece 26 by pipe 28.

In certain embodiments, piston 250 may need to be roughly closely engaged in the pump housing 230, but whether too tight, thereby stops piston to move.In certain embodiments, piston 250 can be by not absorbing water, therefore can not along with the time or in the time becoming wet varying sized material make.As an example, piston 250 can be nylon 12 material.By using this material, compared with other material, piston 250 is more stable dimensionally, and this makes the pump 216 can be along with the time is more reliable.

The steady arm of pump assembly 216 240 can be fixed to the top surface 145 of gear box cover 202 and bottom 30.Figure 19 shows the amplification sectional view of the oral rinsing device of the alternative pack that pump is shown.With reference to Figure 19, in certain embodiments, steady arm 240 is received in the supporting pillar 204 of gear box cover 202, and extends to by driven wheel 218 recess limiting in the top surface 145 of bottom 30.By this way, steady arm 240 can be anchored on to arbitrary end w, be cantilevered or the assembly that is only connected to one end with supporting axis compared with, this can provide additional rigidity to pump.

control Component and actuation switch

The Control Component that the electric power that oral rinsing device can comprise to be provided for subtend motor is controlled.Figure 20 shows the axonometric chart of Control Component.Control Component 400 can comprise such as the substrate 402 of printed circuit board (PCB), three or more diode 404a, 404b, 404c, resistor 406 and smmothing capacitors 408.Control Component 400 helps to make voltage signal that motor is applied level and smooth, and resistor 406 and capacitor 408 help protection diode 404a, 404b, 404c to avoid surge and spike in electric current.For example, diode can form rectifier bridge, is the direct current that motor uses by the alternating current rectification from power supply.

Oral rinsing device can also comprise actuation switch, for primer pump sending component 216 optionally.Figure 21 A and 21B show the various views of actuation switch.With reference to figure 21A and 21B, oral rinsing device can comprise the inside starting switch 302 that is connected to slidably start button 300.Start button 300 can be positioned on handpiece 26 or shell 24, so that obtain optionally primer pump sending component 216 of user, and use oral rinsing device.In certain embodiments, switch 302 comprises removable pawl 304, and pawl 304 is clamped by two features that start from the back side of start button 300 to extend.In the time of the manual mobile start button 300 of user, pawl 304 slides between primary importance and the second position.The location positioning pump 216 of pawl 304 on switch 302 is on or off.In other words,, by activating start button 300, user can connect or turn-off oral rinsing device.In certain embodiments, when start button 300 and switch 302 can also be used to convection cell ejection handpiece 26, pressure and/or the flow velocity of fluid are controlled.

With particularity to a certain degree, to many being described in currently preferred embodiment of the present invention and its improvement.Should be appreciated that as example and carried out this description, and the present invention is limited by the scope of claims.

Claims (17)

1. have an oral rinsing device for handpiece, described oral rinsing device has shell, and described shell comprises:

Base unit, described base unit comprises:

Top;

Bottom, described bottom limits depression and outlet, and wherein, described bottom can engage with support surface, and described outlet is limited in described depression;

Upper surface, described upper surface is defined for the recess that receives described handpiece, and limits shoulder, and described top starts upwards to extend from described bottom, and limits top surface, and described top surface limits port; And

Multiple rubber feet, described multiple rubber feet are connected to described bottom, and for by described lower support from the teeth outwards, wherein, described foot has the basal surface of convex shape;

Reservoir, described reservoir comprises:

Basal surface and start upwardly extending sidewall from described basal surface, described basal surface limiting hole, described basal surface and described sidewall limit the chamber with flange, a described sidewall part limits groove and top wall, described groove extends to top end from described basal surface, described top end is contiguous at position and the described flange of described flange inside, and described top wall extends to described flange from the described top end of described groove, and described top wall forms the portion of dangling; Wherein,

Described reservoir can be positioned in described base unit, make described chamber contain described base unit, and can be positioned in described base unit, the described basal surface of described reservoir is placed on the described top surface on described top, make described port align and engage hermetically with described hole, and use described recess to carry out orientation to described groove, wherein, described handpiece is received in described groove, and is covered by described top wall; And

Described bottom comprises that the rope that starts to start to extend to multiple rope limit features of downward-extension and from top surface from basal surface keeps wall.

2. oral rinsing device according to claim 1, wherein,

Described top surface also limits wedge;

Described basal surface also limits the shape with described wedge complementation; And

In the time that described reservoir is positioned in described base unit, together with the form fit of described wedge and described complementation, described basal surface is placed on described top surface, make described port align and engage hermetically with described hole.

3. oral rinsing device according to claim 2, wherein, described wedge starts upwards to extend from described top surface; And the shape of described complementation limits recess.

4. oral rinsing device according to claim 1, wherein, described reservoir and described base unit are self-aligning.

5. oral rinsing device according to claim 1, wherein, described port and described hole are self-aligning.

6. oral rinsing device according to claim 1, also comprises for described reservoir is oriented in to the member in described base unit.

7. oral rinsing device according to claim 1, also comprises the member for described port is aimed at described hole.

8. oral rinsing device according to claim 1, also comprises:

Have the pipe of first end and the second end, the described first end of described pipe is communicated with described reservoir fluid, and described second end of described pipe is connected to described handpiece, and is communicated with described handpiece fluid; And

Pipe fitting, described pipe fitting is connected to the described bottom of described base portion and the described first end of described pipe.

9. oral rinsing device according to claim 8, wherein, the described bottom of described base portion comprises multiple limit features, described multiple limit features are fixed described bobbin to described bottom, and prevent that described pipe from moving with respect to it.

10. oral rinsing device according to claim 8, wherein, described pipe fitting can take off from described base portion.

11. oral rinsing devices according to claim 1, also comprise multiple rope limit features, and described multiple rope limit features limit serpentine channel, and wherein, described rope limit features is configured to power supply rope to be fixed to the described bottom of described base portion.

12. oral rinsing devices according to claim 1, also comprise:

Pump;

Gearbox wall, described gearbox wall starts upwards to extend from described bottom; And

Gear box cover, described gear box cover is connected to described bottom, and covers at least a portion of described gearbox wall.

13. oral rinsing devices according to claim 12, wherein, described pump comprises the first gear and the second gear, wherein, described the first and second gears are helical gears.

14. oral rinsing devices according to claim 13, wherein, described the second gear is supported bar and is fixed to described bottom and described gear box cover, and described steady arm is connected to described bottom at first end, and is connected to described gear box cover at the second end.

15. oral rinsing devices according to claim 14, wherein, described pump also comprises pump seal, described pump seal is configured to the opening being limited by the joint of described bottom and described gear box cover.

16. oral rinsing devices according to claim 15, wherein, described gearbox wall also comprises gear cover, described gear cover is positioned between the outer wall and described the second gear of described gearbox wall.

17. oral rinsing devices according to claim 12, wherein, described pump also comprises direct current generator.