CN100446707C

CN100446707C - Water overflow preventing device and drinking water machine having said device

Info

Publication number: CN100446707C
Application number: CNB2005101232473A
Authority: CN
Inventors: 周奇迪
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-15
Filing date: 2005-11-15
Publication date: 2008-12-31
Anticipated expiration: 2025-11-15
Also published as: CN1823668A

Abstract

The present invention discloses a water overflow preventing device which comprises a float and a top plug arranged on the float, wherein a connecting rod is arranged between the float and the top plug, and a cone which has small upper part and large lower part is arranged at the top of the top plug. The present invention also discloses a drinking water machine which comprises the water overflow preventing device. The water overflow preventing device of the present invention has simple structure, so that the manufacturing cost is low. The water overflow preventing device is arranged behind the drinking water machine, which effectively prevents the drinking water machine from overflowing water when a pure water barrel is damaged, and does not affect the original performance and the appearance of the drinking water machine.

Description

Anti-overflow device and have the water dispenser of this device

Technical field

The present invention relates to the anti-overflow device, relate in particular to a kind of water dispenser that is used for the anti-overflow device of water dispenser and uses this device.

Background technology

Because rhythm of life is accelerated now, people are for convenient and simple household electrical appliances, and are increasing as requirements such as micro-wave oven, water dispensers, and increasing water dispenser enters in the family of each stratum.Air pressure in the last end spaces on the general water dispenser in the water purification cartridge all is negative pressure (perhaps near vacuum), and the liquid level in the water storage cylinder in the water dispenser is an atmospheric pressure, therefore the water in the water purification cartridge can not flow in water storage cylinder always, but when water purification cartridge damages, air pressure in the last end spaces also is an atmospheric pressure, so water then can flow to lower up to water storage cylinder in liquid level contour, but because the volume of water storage cylinder is generally all less, can not hold most of water in the water purification cartridge (especially near full tube water time), the water in the water storage cylinder then can be always flow to water dispenser is inner like this.But the water dispenser of Gong Ying employing water purification cartridge does not have the function of anti-overflow usually in the market, promptly working as water purification cartridge breaks, tiny perforate perhaps appears when (generally being difficult for being found), water in the water purification cartridge can overflow to outside the water dispenser, more common situation is that water spills into water dispenser inside, has so not only destroyed the inner member of water dispenser, causes economic loss, but also it is indoor to cause water to flow to from inside to outside, causes the destruction of indoor environment.

The reason overwhelming majority that causes spilling water in the above-mentioned water dispenser all is because water purification cartridge damages, water in the water purification cartridge continues stream downwards after filling water storage cylinder, because water storage cylinder is arranged on water dispenser inside, therefore after water storage cylinder was filled, current continued to flow down until flowing into water dispenser inside and cause interior spilling water.Cause the outer spilling water of water dispenser normally owing to have the gap between feed pipe and the water purification cartridge bottle cap, water also enters the seat that falls into water through gap between feed pipe and the water purification cartridge bottle cap when entering feed pipe, the water surface in the seat that falls into water raise always until flow out to from a upper end open of falling into water the water dispenser outside cause outside spilling water.

Therefore, be necessary to provide a kind of anti-overflow device to overcome the defective that present water dispenser may spilling water.

Summary of the invention

The main technical problem to be solved in the present invention is to provide a kind of simple in structure, obvious results anti-overflow device.

Another technical problem that the present invention will solve be to provide a kind of have prevent spilling water function and water dispenser simple in structure.

In order to solve above-mentioned technical problem underlying, the present invention by the following technical solutions: anti-overflow device of the present invention, comprise float, be arranged at the top plug on the float, be provided with connecting rod between described top plug and the float, the top of described top plug is up-small and down-big cone; Described connecting rod is cylindric, and connecting rod one end is provided with axial center hole, and the bar portion that cooperates with described centre bore that is provided with is extended in the bottom of described top plug.

Preferably, the end that described connecting rod is provided with centre bore is provided with the flange that extends radially outwardly, and described anti-overflow device also comprises the limiting and guiding device of the downward shift length of the described flange of restriction.

Preferably, described limiting and guiding device is the middle flat plate body that is provided with through hole, and described connecting rod is arranged in the described through hole up or down.

Preferably, described float bottom has extended upward perisporium, and described perisporium is provided with internal thread, and the described connecting rod other end is provided with the external screw thread with screw-internal thread fit.

For solving another above-mentioned technical problem, the present invention adopts following technical scheme: water dispenser of the present invention comprises support, be located at drowning seat on the support, be fixed in the seat bottom of falling into water a feed pipe, be fixed on the water storage cylinder in the support, described feed pipe is inserted in the water purification cartridge, is located at the anti-overflow device in the water storage cylinder by the water purification cover, described anti-overflow device comprises float, is located at the top plug on the float, and the top of described top plug is up-small and down-big cone.

Preferably, offer annular groove on the outer wall of described feed pipe, contain the sealing ring that seals between feed pipe outer wall and the water purification cover in the described annular groove.

Preferably, be provided with connecting rod between described float and the top plug, an end of described connecting rod is provided with axial center hole, and the bottom of described top plug is provided with the bar portion that cooperates with centre bore.

Preferably, the end that described connecting rod is provided with centre bore is provided with the flange that extends radially outwardly, and described anti-overflow device also comprises limiting and guiding device, and described limiting and guiding device is the plate body with through hole, and described through hole cooperates with connecting rod.

Preferably, described float bottom is provided with the perisporium that extends upward and have internal thread, and the other end of described connecting rod is provided with the external screw thread with described screw-internal thread fit.

With respect to prior art, the invention has the advantages that: anti-overflow apparatus structure of the present invention is simple, only fill in the function that can realize anti-overflow by float and the top with conical top of establishing thereon, and the top plug is very simple with the structure of float, and can be accomplished in several ways connection between the two.In addition, the defective of current direction water dispenser inside when water dispenser of the present invention avoids water purification cartridge to occur damaging by being provided with the anti-overflow device, and being connected between anti-overflow device and the water dispenser main body is comparatively simple, and because the top plug is that removably is fixed on the float, so when the top plug has wearing and tearing slightly, can also change, ensure the reliability of anti-overflow function; In addition, between the bottle cap of the tube wall of feed pipe and water purification cartridge, be provided with sealing ring, anti-sealing self-purification tube flows out by the gap between feedwater tube wall and the water purification cartridge bottle cap and flow in the seat that falls into water, and has stoped the outer spilling water of water dispenser, has overcome the defective of existing water dispenser.Therefore after the present invention has adopted above-mentioned anti-overflow device, can block the inside and outside spilling water of water dispenser fully, and the blocking-up spilling water is that the structure of employing itself realizes, do not need to rely on and consumes energy, and above-mentioned anti-overflow device is arranged on the inside of water dispenser, can not have influence on original performance of water dispenser and outward appearance.

Description of drawings

Following with reference to accompanying drawing, the specific embodiment of the present invention is described in detail.

Fig. 1 is the three-dimensional exploded view of water dispenser of the present invention.

Fig. 2 is the profile of water dispenser user mode of the present invention.

Fig. 3 is the enlarged drawing of A part among Fig. 2.

Fig. 4 is the schematic perspective view of top plug among Fig. 1.

Fig. 5 is the schematic perspective view of limiting and guiding device among Fig. 1.

Fig. 6 is the schematic perspective view of feed pipe among Fig. 1.

Fig. 7 is the enlarged drawing of B part among Fig. 3.

Fig. 8 is the seal operation state diagram of water dispenser of the present invention when the spilling water state.

Fig. 9 is the enlarged drawing of C part among Fig. 8.

The specific embodiment

Please refer to shown in Figure 1ly, water dispenser 100 of the present invention comprises support (not shown), be arranged on loam cake 10 on the support, be arranged in the support and be positioned at drowning seat 12 under the loam cake 10, be housed in seat 12 bottoms of falling into water feed pipe 11, be arranged on the water storage cylinder 13 of support and be arranged on the anti-overflow device 15 of water storage cylinder 13.

A circle projection 103 that offers the through hole (not label) that passes for water purification cartridge 7 upper ends on the described loam cake 10 and be around in around the through hole and upwards protrude out.Described drowning seat 12 be provided with diapire 121, from diapire 121 upwardly extending cylindrical wall 122, and from cylindrical wall 122 upwards and extend radially outwardly slightly be trumpet-shaped edge clipping 123, the lower surface of described edge clipping 123 supports on the projection 103 of loam cake 10.The bottom outer surface of described water storage cylinder 13 is provided with hot courage water inlet 131, cold courage water inlet 132 and exhaust outlet 133.

Described anti-overflow device 15 comprises top plug 16, float 19, connect connecting rod 17, and the limiting and guiding device 18 of top plug 16 and float 19.Please refer to shown in Figure 4, described top plug 16 comprises top (not label), bar portion 161, the described top of extension slightly are up-small and down-big cone (as shown in Figure 3) downwards from the top, and the top radially outward is provided with flange 162, and the diameter of described flange 162 is greater than the diameter of section of bar portion 161.Please refer to shown in Figure 1ly, described connecting rod 17 slightly is cylindric, offers the centre bore of the axial length that runs through whole connecting rod 17 vertically, and an one free end is provided with the outer rim (not label), the other end that extend radially outwardly and is provided with external screw thread (not shown).The end that centre bore also can only be arranged on connecting rod 17 does not run through whole length, and then outer rim is arranged on an end that offers centre bore.

Please refer to shown in Figure 5, described limiting and guiding device 18 comprises the through hole 182 that slightly is flat tabular main body 181, is opened in main body 181 middle parts, be around in through hole 182 and upwardly extending protruding circle 180, and symmetry be opened in the fixing hole 183 of through hole 182 both sides and the screw 184 that cooperates with fixing hole 183, preferably, described screw is the M3 screw.Please refer to shown in Figure 1ly, described float 19 slightly is tubular, and the middle part of the bottom of float 19 is extended with perisporium 191 (shown in Figure 3) to tubular inside, and described perisporium 191 inwalls are provided with internal thread.

Because the bar portion 161 of described top plug 16 inserts in the centre bore of connecting rod 17, so top plug 16 that when the wearing and tearing of the top of top plug 16, more renews easily, flange 162 contacts with the outer rim of connecting rod 17, the through hole 182 that described connecting rod 17 passes limiting and guiding device is inserted in the perisporium 191 of float, because connecting rod 17 is provided with external screw thread, perisporium 191 is provided with internal thread, so the engagement of internal and external screw thread makes connecting rod 17 be fixed on the float 19.

Please refer to shown in Fig. 6,7, described feed pipe 11 comprises root edge 111, from root edge 111 upwardly extending water inlet tube walls 112, be arranged on water inlet pipe lid 113 (Fig. 1) on water tube wall 112 tops into and be opened in the annular groove 116 to accommodate sealing ring 115 on the water tube wall 112 into.Thereby cooperating with the diapire 121 of the seat that falls into water, described root edge 111 make the feed pipe 11 and the seat 12 that falls into water be combined as a whole.

Please refer to Fig. 2, shown in Figure 3, water dispenser 100 of the present invention in use, the seat 12 that falls into water is set up on loam cake 10, feed pipe 11 is fixed on seat 12 diapires that fall into water, anti-overflow device 15 is arranged in the water storage cylinder 13, limiting and guiding device 18 is passed the bottom that fixing hole 183 is fixed on feed pipe 11 by screw 184, the water inlet 114 of described feed pipe 11 is relative with the conical top of top plug 16, connecting rod 17 drives top plug 16 and can move up and down in the through hole 182 of limiting and guiding device 18, protruding circle 180 restriction top plug 16 extreme lower positions to bottom offset of described limiting and guiding device 18.

Water in the water purification cartridge 17 flow into downwards in the water storage cylinder 13 by the water inlet 114 of feed pipe 11, when the water level in the water storage cylinder 13 is in normal water bit line M, float 19 is equilibrated in the water storage cylinder 13, because the air pressure in the water purification cartridge 7 is less than the air pressure of water surface in the water storage cylinder 13, so current can not flow out downwards through water inlet 114 again.Please refer to Fig. 8, shown in Figure 9, if water purification cartridge 7 has damage, then the pressure of water purification cartridge 7 interior water surfaces equals the air pressure of water surfaces in the water storage cylinder 13, at this moment, current can flow in water storage cylinder 13 through water inlet 114 always, raising along with waterline, the also corresponding rising of float 19, the conical top of top plug 16 and the distance between the water inlet 114 reduce gradually, conical top until top plug 16 is filled in water inlet 114, and water inlet 114 is plugged like this, and current can not flow in the water storage cylinder 13 again, thereby prevent that the water level in the water storage cylinder 13 from rising always, effectively prevented the interior spilling water of water dispenser 100.

Preferably, please refer to shown in Figure 7ly, be arranged on the water inlet tube wall 112 of described feed pipe 11 gaps between the sealing ring 115 pairs of water inlets tube wall 112 and water purification cover 71 and carried out effective seal, thereby prevent the external leakage phenomenon that water dispenser may occur.

Certainly, the connecting rod 17 of anti-overflow device 15 also can be secured together by other modes beyond inserting with top plug 16, for example, top plug 16 is made into integration with connecting rod 17 and forms, perhaps top plug 16 and connecting rod 17 are fixedlyed connected (if top plug 16 wearing and tearing then connecting rod 17 and top can be filled in 16 replacings simultaneously in the above dual mode by welding or hot pressing, because it is easy and simple in structure that said two devices is made, therefore the cost of changing the two simultaneously is also very low), perhaps plug 16 bottoms in top are provided with external screw thread, connecting rod 17 is provided with internal thread, top plug 16 and connecting rod 17 interfix by threaded engagement, perhaps plug 16 bottom opening in top are provided with internal thread, connecting rod 17 outsides are provided with external screw thread, and the two is by threaded engagement or the like.The fixed form of described connecting rod 17 and float also can adopt the mode outside the threaded engagement, as weld fixing, hot pressing is fixed, interference fit fix etc., perhaps connecting rod 17 is provided with internal thread, perisporium 191 is provided with external screw thread, the two still passes through threaded engagement or the like.

The above only is a preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims

1. an anti-overflow device comprises float, is arranged at the top plug on the float, is provided with connecting rod between described top plug and the float, and the top of described top plug is up-small and down-big cone; It is characterized in that: described connecting rod is cylindric, and connecting rod one end is provided with axial center hole, and the bar portion that cooperates with described centre bore that is provided with is extended in the bottom of described top plug.

2. anti-overflow device as claimed in claim 1 is characterized in that: the end that described connecting rod is provided with centre bore is provided with the flange that extends radially outwardly, and described anti-overflow device also comprises the limiting and guiding device of the downward shift length of the described flange of restriction.

3. anti-overflow device as claimed in claim 2 is characterized in that: described limiting and guiding device is the middle flat plate body that is provided with through hole, and described connecting rod is arranged in the described through hole up or down.

4. as anti-overflow device as described in each among the claim 1-3, it is characterized in that: described float bottom has extended upward perisporium, and described perisporium is provided with internal thread, and the described connecting rod other end is provided with the external screw thread with screw-internal thread fit.

A kind of water dispenser, comprise support, be located at drowning seat on the support, be fixed in the seat bottom of falling into water a feed pipe, be fixed on the water storage cylinder in the support, described feed pipe is inserted in the water purification cartridge by the water purification cover, it is characterized in that: also comprise the anti-overflow device that is located in the water storage cylinder, described anti-overflow device comprises float, is located at the top plug on the float, and the top of described top plug is up-small and down-big cone.

6. water dispenser as claimed in claim 5 is characterized in that: offer annular groove on the outer wall of described feed pipe, contain the sealing ring that seals between feed pipe outer wall and the water purification cover in the described annular groove.

Water dispenser as claimed in claim 5 is characterized in that: be provided with connecting rod between described float and the top plug, an end of described connecting rod is provided with axial center hole, and the bottom of described top plug is provided with the bar portion that cooperates with centre bore.

8. water dispenser as claimed in claim 7, it is characterized in that: the end that described connecting rod is provided with centre bore is provided with the flange that extends radially outwardly, described anti-overflow device also comprises limiting and guiding device, and described limiting and guiding device is the plate body with through hole, and described through hole cooperates with connecting rod.

9. as each described water dispenser among the claim 5-8, it is characterized in that: described float bottom is provided with the perisporium that extends upward and have internal thread, and the other end of described connecting rod is provided with the external screw thread with described screw-internal thread fit.