CN203153439U - Connector mounted on water tank base of coffee machine - Google Patents
Connector mounted on water tank base of coffee machine Download PDFInfo
- Publication number
- CN203153439U CN203153439U CN 201320106913 CN201320106913U CN203153439U CN 203153439 U CN203153439 U CN 203153439U CN 201320106913 CN201320106913 CN 201320106913 CN 201320106913 U CN201320106913 U CN 201320106913U CN 203153439 U CN203153439 U CN 203153439U
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- cavity
- plug connector
- water tank
- sleeve
- joint
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Abstract
The utility model relates to a connector mounted on a water tank base of a coffee machine. The connector includes a connector body, wherein the connector body is provided with a cavity; a support pillar is arranged at the center of the cavity; and a water outlet passage and a backwater passage are formed in a plug connector. The connector is characterized in that a filter provided with filtering holes is further arranged in the cavity; the support pillar is sleeved with the filter dividing the cavity into an upper cavity and a lower cavity; the water outlet passage and the backwater passage are mutually independent; the inlet of the water outlet passage is communicated with the lower cavity of the cavity; the backwater passage extends upwards to the inside of the support pillar; and the outlet of the backwater passage is formed in the side wall of the support pillar, and is communicated with the upper cavity of the cavity. Backwater flows out through the outlet of the backwater passage on the support pillar, enters the upper cavity of the cavity and forms a certain surface tension in the filtering holes of the filter; and if the flow of only the backwater cannot pass by the filter, the backwater is prevented from passing by a flowmeter directly, the flowmeter can sense the water shortage, the coffee machine is stopped immediately, and empty pumping of a water pump is avoided.
Description
Technical field
The utility model relates to a kind of joint, relates in particular to a kind of joint that is installed on the coffee machine water tank seat.
Background technology
Coffee machine is as a kind of beverage extraction plant, and it generally comprises water supply part and extraction part, and water supply part is used for giving the extraction part that hot water is provided.Water supply part mainly comprises water tank and water tank seat, water tank is water container, and water tank is shelved on the water tank seat, and the bottom of water tank has delivery port, the delivery port position of water tank is equipped with radiator valve, and radiator valve is for being held the check valve that keeps closing delivery port trend by spring.
Joint with exhalant canal is installed in the water tank seat, the middle part of joint has upwardly extending fore-set, under water tank is installed to state on the water tank seat, the fore-set at joint middle part just upwards backs down radiator valve, allow water and the conducting of water tank seat in the water tank, pump working in the coffee machine, water is entered into water pump from the flowmeter of flowing through of the exhalant canal on the joint, and by the threeway back-water valve (BWV) on the water pump or the independent threeway back-water valve (BWV) that arranges, current are divided into two-way, the delivery port of the backwater that water pump produces in evacuation procedure by the threeway back-water valve (BWV) is discharged in the waste water tank in the coffee machine, and another road current are then by entering into the extraction equipment of coffee machine behind the heater.Because the backwater that the water pump that has produces is many, discharged to waste water tank, can cause the waste of water resource as directly, needs often to clear up the waste water in the waste water tank in addition.
The someone invents a kind of joint with backwater channel for this reason, as shown in Figure 5, formed by sleeve 1 ' and the plug connector 2 ' that can insert sleeve 1 ', sleeve 1 ' cross section is roughly circular, the top of the internal perisporium of sleeve 1 ' has the annular stopper that extends internally, four elasticity card bases that the lower surface of sleeve 1 ' has downward extension and arranges at interval, the profile of plug connector 2 ' and sleeve 1 ' inner chamber match and can insert in the sleeve 1 ', the position, middle and lower part of plug connector 2 ' outer peripheral face has the annular rib of evagination, insert under the aforementioned sleeve 1 ' internal state at plug connector 2 ', the lower surface retaining of annular rib and sleeve is joined, and annular rib is correspondingly provided with the breach that passes for the elasticity card base, plug connector has the opening cavity that makes progress, the center position of this cavity is provided with upwardly extending fore-set 7 ', have exhalant canal 3 ' and a backwater channel 4 ' that communicates with cavity that a cavity communicates on the plug connector, exhalant canal 3 ' and backwater channel 4 ' directly do not have the connection that stops.For guaranteeing the liquid sealing between sleeve and the plug connector, in sleeve, be provided with an O-ring seals 5 ', this O-ring seals 5 ' is limited between the upper surface of annular block face and plug connector.The sealing joint in use, elder generation is positioned over O-ring seals in the sleeve and is shelved on the annular stopper, then plug connector 2 ' is inserted in the sleeve 1 ', the upper surface extruding O-ring seals of plug connector, on the elasticity card base buckle plug connector on the sleeve, the water tank seat of plug connector and coffee machine is fixed, then water tank 6 ' is tipped upside down on the water tank seat of coffee machine, delivery port 61 ' the outside annular joint pin 62 ' of water tank 6 ' inserts in the sleeve and inserts in the cavity of plug connector 2 ' always, plug connector 2 ' is under the deadweight effect of water tank, O-ring seals is compressed in joint pin, the annular block face, between the internal perisporium of sleeve and the upper surface of plug connector, form sealing effectiveness, fore-set 7 ' just upwards backs down the radiator valve of the delivery port position of water tank simultaneously, and the water in the water tank is communicated with the water tank seat.
During pump working, water flows out by exhalant canal from water outlet of water tank, the current that flow out enter in the water pump by flowmeter, and by the threeway back-water valve (BWV) on the water pump or the independent threeway back-water valve (BWV) that arranges, current are divided into two-way, water pump has emptying gas process in the process of starting working, the delivery port of the backwater that water pump produces in evacuation procedure by the threeway back-water valve (BWV) is discharged to the backwater channel of plug connector, and another road current are then by entering into the extraction equipment of coffee machine behind the heater.Because backwater channel and the direct without hindrance connection of exhalant canal, when water tank does not have water, the backwater of threeway back-water valve (BWV) enters flowmeter again after by backwater channel and exhalant canal at once, thereby cause flowmeter can not sense water tank lacks water, idle running always, water pump can not normally stop, after the water tank topped up with water, water pump still can not be kept operate as normal, exists sky to take out bad phenomenon.
Only adopt the O-ring seals sealing to have following defective between the annular wall of sleeve, plug connector and water tank: deformation plance is less when 1, being squeezed owing to O-ring seals, so the contact area of O-ring seals and adjacent each end face is less, especially and the contact area between the annular joint pin outer peripheral face of water tank bottom less, so sealing effectiveness is relatively poor; Improve sealing effectiveness as need, the contact area of O-ring seals and annular joint pin outer peripheral face is increased, what water tank is inserted and extract puts more effort, use difficulty, the main cause that causes this phenomenon is that O-ring seals does not have the gap between annular joint pin outer peripheral face and sleeve internal perisporium, water tank insertion back O-ring seals does not have steps down, and causes the great efforts of inserting and extracting.2, before being assembled on the water tank joint pin, because this O-ring seals mainly is arranged between the upper surface of annular block face and plug connector, the area of annular block face is less, this moment is after O-ring seals is subjected to the extruding of plug connector, O-ring seals easily is extruded annular block face outside, especially when the joint pin of water tank need be extracted water tank, because the frictional force effect of O-ring seals and water tank joint pin outer peripheral face, O-ring seals is easier to be dropped out, and uses assembling inconvenient.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of backwater can not be without hindrance and directly enter the joint on the coffee machine water tank seat of being installed in of exhalant canal at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of joint that is installed on the coffee machine water tank seat, comprise the joint body that is connected in order to the delivery port of water tank, joint body has the cavity that an opening makes progress, the center position of cavity is provided with upwardly extending fore-set, has the exhalant canal and the backwater channel that are communicated with extraneous and cavity on the joint body; It is characterized in that: also be provided with the filter with filter bores in the described cavity, this filter is set on the fore-set and with cavity and is divided into upper chamber and lower cavity two parts, described exhalant canal and backwater channel are independent of one another, the import of exhalant canal is communicated with the lower cavity of cavity, described backwater channel extends upwardly in the fore-set, and the outlet of backwater channel is arranged on the fore-set sidewall and with the upper chamber of cavity and is communicated with.
Above-mentioned joint body comprises sleeve, plug connector and sealing ring, and the top of the internal perisporium of sleeve has the annular stopper of extending to the inboard, and plug connector is plugged in the sleeve, and described cavity is arranged on the plug connector, and described sealing ring is arranged between sleeve and the plug connector.More than be a kind of concrete structure of joint body, the delivery port of this joint body energy and water tank forms good being tightly connected.
The bottom center position of above-mentioned cavity is provided with recessed jack, the described backwater channel part that is positioned on the plug connector communicates with this jack, exhalant canal is then blocked each other with this jack, described fore-set plug and close-fitting in this jack, the bottom of fore-set have be positioned at plug connector on the breach that is communicated with of backwater channel.This structure is divided into two parts with plug connector and fore-set, simplifies the mould structure of plug connector, is convenient to production and assembly.
The sidewall of above-mentioned jack is provided with stopper slot, and the middle part of described fore-set has the limited block to outer lug, and under the state in fore-set is plugged in jack, described limited block is positioned at stopper slot.By the cooperation of limited block and stopper slot, suggesting effect is played in the installation of fore-set, guarantee that fore-set is installed after, the breach of backwater channel bottom fore-set that is positioned on the plug connector aligns more convenient assembling.
On the water tank seat that plug connector is installed to coffee machine, above-mentioned plug connector both sides have outward extending installation portion, have installing hole on the installation portion.
Four elasticity card bases that the lower surface of above-mentioned sleeve has downward extension and arranges at interval, the position, middle and lower part of plug connector outer peripheral face has the annular rib of evagination, the annular rib is correspondingly provided with the locating hole that passes for described elasticity card base, insert under the sleeve internal state at plug connector, the outer face retaining of annular rib and sleeve is joined, and described elasticity card base and locating hole card are joined.Card by locating hole on elasticity card base and the plug connector is joined, and can conveniently sleeve and plug connector be linked together.
As improvement, above-mentioned sealing ring has upper surface and the ringwise horizontal part that can be shelved on plug connector, the inboard of this horizontal part has downward extension and towards the ringwise rake of outer incline, insert under the sleeve internal state at plug connector, described horizontal part is pressed between the upper surface and described annular stopper of plug connector, and is gapped between the cavity inwall of rake and plug connector simultaneously.
Because the inboard of sealing ring horizontal part has downward extension and towards the ringwise rake of outer incline, and it is gapped between the cavity inwall of rake and plug connector, when fitting sleeve is located on the annular joint pin of water outlet of water tank outside, the annular joint pin is the extruding rake outwards, and rake itself just has the trend of inclination inwards, so rake can firmly be fitted with annular joint pin outer face, increase the contact area between the annular joint pin on sealing ring and the water tank simultaneously, so the good sealing effect of sealing coil structures, the therefore good sealing effect between whole seal nipple and the annular joint pin; And general gap is more big, and the dynamics that water tank inserted or extracted the seal nipple needs is more little.
Further improve, the above-mentioned horizontal part outside also has the vertical portion of downward extension, insert under the sleeve internal state at plug connector, described plug connector perisporium is between vertical portion and rake, and the outer peripheral face of plug connector and the inner end of vertical portion are fitted, and fit in the inner face of sleeve in the outer face of vertical portion.
Because the perisporium of plug connector is between vertical portion and rake, so stablizing, sealing ring is limited on the plug connector perisporium, prevent that sealing ring from spinning off under the extruding of plug connector, the outer peripheral face of vertical portion and plug connector is fitted simultaneously, further improves sealing effectiveness.
Compared with prior art, advantage of the present utility model is: because backwater channel and exhalant canal are independent of one another, backwater flows out by the outlet that is positioned at backwater channel on the fore-set, enter into the upper chamber of cavity, it is the top that backwater is positioned at filter, current can form certain surface tension in the filter bores of filter, therefore current will need constant weight by the filter bores of filter, because the backwater amount is little, if water tank lacks water, the underfed of backwater is only arranged to pass through filter, can avoid backwater directly by flowmeter like this, flowmeter can be sensed lack of water, thus stop on the mechanical horse avoiding water pump always sky take out, start again after the water tank topped up with water, water pump again can operate as normal.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 removes perspective view behind sleeve and the filter for the utility model embodiment;
Fig. 3 is the ladder three-dimensional cutaway view of the utility model embodiment;
Fig. 4 is the three-dimensional exploded view of the utility model embodiment;
Fig. 5 is the use view of prior art center tap.
The specific embodiment
Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.
Shown in Fig. 1～4, be a preferred embodiment of the present utility model.
A kind of joint that is installed on the coffee machine water tank seat comprises the joint body that is connected for the delivery port of water tank, and water tank does not show in drawing.Joint body in the present embodiment comprises sleeve 1, plug connector 2 and sealing ring 3, sleeve 1 cross section is roughly circular, the top of the internal perisporium of sleeve 1 has the annular stopper 11 of extending to the inboard, four elasticity card bases 12 that the lower surface of sleeve 1 has downward extension and arranges at interval.
The profile of plug connector 2 and sleeve 1 match and can insert in the sleeve 1, and plug connector 2 both sides have outward extending installation portion 10, have installing hole 101 on the installation portion 10.The position, middle and lower part of plug connector 2 outer peripheral faces has the annular rib 9 of evagination, annular rib 9 is correspondingly provided with the locating hole 91 that passes for elasticity card base 12, insert under sleeve 1 internal state at plug connector 2, annular rib 9 is joined with the outer face retaining of sleeve 1, elasticity card base 12 is joined with locating hole 91 cards, thereby sleeve 1 and plug connector 2 are linked together.
Have the exhalant canal 6 and the backwater channel 7 that are communicated with extraneous and cavity 4 on the plug connector 2 in the joint body, also be provided with the filter 8 with filter bores 81 in the cavity 4, this filter 8 is set on the fore-set 5 and with cavity 4 and is divided into upper chamber 4a and lower cavity 4b two parts, exhalant canal 6 and backwater channel 7 are independent of one another, the import 61 of exhalant canal 6 is communicated with the lower cavity 4b of cavity, backwater channel 7 extends upwardly in the fore-set 5, and the outlet 71 of backwater channel 7 is arranged on fore-set 5 sidewalls and with the upper chamber 4a of cavity and is communicated with.
Fore-set 5 is columnar part independently, bottom center position at cavity 4 is provided with recessed jack 41, backwater channel 7 parts that are positioned on the plug connector communicate with this jack 41, exhalant canal 6 is then blocked each other with this jack 41, fore-set 5 plug and close-fitting in this jack 41, the bottom of fore-set 5 have be positioned at plug connector on the breach 51 that is communicated with of backwater channel 7.The sidewall of jack 41 is provided with stopper slot 42, and the middle part of fore-set 5 has the limited block 52 to outer lug, and under the state in fore-set 5 is plugged in jack 41, limited block 52 is positioned at stopper slot 42.
The sealing joint in use, earlier sealing ring 3 is set on the perisporium of plug connector 2, plug connector 2 perisporiums are between vertical portion 33 and rake 32, and the inner end of the outer peripheral face of plug connector 2 and vertical portion 33 is fitted, the plug connector 2 that will be arranged with sealing ring 3 again inserts in the sleeve 1, then the elasticity card base 12 on the sleeve 1 is buckled in the locating hole 91, finish being connected of sleeve 1 and plug connector 2, be fixed on the water tank seat of coffee machine after then passing installing hole 101 on the installation portion 10 of plug connector with screw, at last water tank is tipped upside down in the coffee machine, the structure that water tank is assembled in the coffee machine is prior art, no longer launch to elaborate at this, the annular joint pin of water outlet of water tank outside inserts sleeve 1 and enters the cavity 4 of plug connector 2, annular joint pin outer peripheral face is extruding rake 32 outwards, and rake 32 itself just has the trend of inclination inwards, so rake 32 can firmly be fitted with annular joint pin outer face, simultaneously plug connector 2 is under the deadweight effect of water tank 5, the horizontal part 31 of the upper surface crush seal circle 3 of plug connector 2.
Because backwater channel 7 and exhalant canal 6 are independent of one another, backwater flows out by the outlet 71 that is positioned at backwater channel on the fore-set 5, enter into the upper chamber 4a of cavity 4, it is the top that backwater is positioned at filter 8, current can form certain surface tension in the filter bores 81 of filter, therefore current will need constant weight by the filter bores 81 of filter, because the backwater amount is little, if water tank lacks water only has the underfed of backwater with by filter 8, can avoid backwater directly to pass through flowmeter like this, flowmeter can be sensed lack of water, thereby stop on the mechanical horse avoiding water pump always sky take out, start again after the water tank topped up with water, water pump again can operate as normal.
Claims (8)
1. joint that is installed on the coffee machine water tank seat, comprise the joint body that is connected for the delivery port of water tank, joint body has the cavity (4) that an opening makes progress, the center position of cavity (4) is provided with upwardly extending fore-set (5), has the exhalant canal (6) and the backwater channel (7) that are communicated with extraneous and cavity (4) on the joint body; It is characterized in that: also be provided with the filter (8) with filter bores (81) in the described cavity (4), this filter (8) is set in fore-set (5) and upward and with cavity (4) is divided into upper chamber (4a) and lower cavity (4b) two parts, described exhalant canal (6) and backwater channel (7) are independent of one another, the import (61) of exhalant canal (6) is communicated with the lower cavity (4b) of cavity, described backwater channel (7) extends upwardly in the fore-set (5), and the outlet (71) of backwater channel (7) is arranged on fore-set (5) sidewall and with the upper chamber (4a) of cavity and is communicated with.
2. the joint that is installed on the coffee machine water tank seat according to claim 1, it is characterized in that: described joint body comprises sleeve (1), plug connector (2) and sealing ring (3), the top of the internal perisporium of sleeve (1) has the annular stopper (11) of extending to the inboard, plug connector (2) is plugged in the sleeve (1), described cavity (4) is arranged on the plug connector (2), and described sealing ring (3) is arranged between sleeve (1) and the plug connector (2).
3. the joint that is installed on the coffee machine water tank seat according to claim 2, it is characterized in that: the bottom center position of described cavity (4) is provided with recessed jack (41), described backwater channel (7) part that is positioned on the plug connector communicates with this jack (41), exhalant canal (6) is then blocked each other with this jack (41), described fore-set (5) plug and close-fitting in this jack (41), the bottom of fore-set (5) have be positioned at plug connector on the breach (51) that is communicated with of backwater channel (7).
4. the joint that is installed on the coffee machine water tank seat according to claim 3, it is characterized in that: the sidewall of described jack (41) is provided with stopper slot (42), the middle part of described fore-set (5) has the limited block (52) to outer lug, under the state in fore-set (5) is plugged in jack (41), described limited block (52) is positioned at stopper slot (42).
5. the joint that is installed on the coffee machine water tank seat according to claim 2, it is characterized in that: described plug connector (2) both sides have outward extending installation portion (10), have installing hole (101) on the installation portion (10).
6. the joint that is installed on the coffee machine water tank seat according to claim 2, it is characterized in that: four elasticity card bases (12) that the lower surface of described sleeve (1) has downward extension and arranges at interval, the position, middle and lower part of described plug connector (2) outer peripheral face has the annular rib (9) of evagination, annular rib (9) is correspondingly provided with the locating hole (91) that passes for described elasticity card base (12), insert under sleeve (1) internal state at plug connector (2), annular rib (9) is joined with the outer face retaining of sleeve (1), and described elasticity card base (12) is joined with locating hole (91) card.
7. according to arbitrary described joint that is installed on the coffee machine water tank seat in the claim 2～6, it is characterized in that: described sealing ring (3) has upper surface and the ringwise horizontal part (31) that can be shelved on plug connector (2), the inboard of this horizontal part (31) has downward extension and towards the ringwise rake (32) of outer incline, insert under sleeve (1) internal state at plug connector (2), described horizontal part is pressed between the upper surface and described annular stopper (11) of plug connector (2), simultaneously between cavity (4) inwall of rake (32) and plug connector gapped (X).
8. the joint that is installed on the coffee machine water tank seat according to claim 7, it is characterized in that: described horizontal part (31) outside also has the vertical portion (33) of downward extension, insert under sleeve (1) internal state at plug connector (2), described plug connector (2) perisporium is positioned between vertical portion (33) and the rake (32), and the inner end of the outer peripheral face of plug connector (2) and vertical portion (33) is fitted, and fits in the inner face of sleeve (1) in the outer face of vertical portion (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106913 CN203153439U (en) | 2013-03-08 | 2013-03-08 | Connector mounted on water tank base of coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106913 CN203153439U (en) | 2013-03-08 | 2013-03-08 | Connector mounted on water tank base of coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203153439U true CN203153439U (en) | 2013-08-28 |
Family
ID=49014677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320106913 Expired - Fee Related CN203153439U (en) | 2013-03-08 | 2013-03-08 | Connector mounted on water tank base of coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203153439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110357A (en) * | 2013-03-08 | 2013-05-22 | 宁波三A集团电器有限公司 | Connector installed on water tank seat of coffee machine |
-
2013
- 2013-03-08 CN CN 201320106913 patent/CN203153439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110357A (en) * | 2013-03-08 | 2013-05-22 | 宁波三A集团电器有限公司 | Connector installed on water tank seat of coffee machine |
| CN103110357B (en) * | 2013-03-08 | 2015-05-13 | 宁波三A集团电器有限公司 | Connector installed on water tank seat of coffee machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150308 |
|
| EXPY | Termination of patent right or utility model |