CN104864664B - drain assembly and refrigerator - Google Patents

drain assembly and refrigerator Download PDF

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Publication number
CN104864664B
CN104864664B CN201510321067.XA CN201510321067A CN104864664B CN 104864664 B CN104864664 B CN 104864664B CN 201510321067 A CN201510321067 A CN 201510321067A CN 104864664 B CN104864664 B CN 104864664B
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CN
China
Prior art keywords
drainage channel
drain assembly
baffle ring
floating ball
refrigerator
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CN201510321067.XA
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CN104864664A (en
Inventor
张建海
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Hefei Hualing Co Ltd
Midea Group Co Ltd
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Hefei Hualing Co Ltd
Midea Group Co Ltd
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Priority to CN201510321067.XA priority Critical patent/CN104864664B/en
Publication of CN104864664A publication Critical patent/CN104864664A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14Collecting or removing condensed and defrost water; Drip trays

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

The present invention provides a kind of drain assembly and refrigerators.Wherein, drain assembly includes:There is on tube body drainage channel, the exit of drainage channel to be equipped with locating part for tube body, float trap and baffle ring;Float trap is located in drainage channel;Baffle ring is mounted on the inlet of drainage channel, and float trap can move up and down between locating part and baffle ring, to open or close drainage channel.Drain assembly provided by the invention, pass through float trap moving up and down between baffle ring and locating part, to open or close drainage channel, drainage channel is opened so that drain assembly can either be such that float trap moves up when needing draining, to effectively exhaust the water of refrigerator defrost generation, float trap can be made to move down when that need not drain again to close drainage channel, to effectively prevent extraneous thermic load to enter in refrigerator courage by drainage channel, it is simple in structure, easy for installation, it is at low cost using reliable.

Description

Drain assembly and refrigerator
Technical field
The present invention relates to art of refrigeration units, more specifically, are related to a kind of drain assembly and including the drainpipe group The refrigerator of part.
Background technology
Currently, air cooling type refrigerator in the market, distributes when refrigeration for refrigerator compartment such as freezes indoor evaporator fin surface Cold be recycled to each corner in freezing chamber, and by some cycles freeze indoor temperatures approach it is steady when, defrost heating Device work carries out defrost so that the particles such as white, the small ice crystal on evaporator fin surface are melted into water, and by being located at refrigerator courage bottom The drain pipe channel in portion flows to inside extraneous drip tray;When refrigerator is not at defrost state, extraneous thermic load can pass through The drainpipe is passed in case courage, in this way, on the one hand because extraneous thermic load is flowed into case courage so that the temperature liter in case courage Height, in order to make temperature be reduced to set temperature, the duration of runs of compressor lengthens, and then influences the energy consumption of refrigerator;On the other hand, After entering in case courage because of extraneous thermic load, the lower evaporator fin of temperature is encountered, it is easy to its surface frosting, icing etc. occur Bad phenomenon.
In order to solve the above-mentioned technical problem, general in the related technology to be placed in addition using in the exit of drainpipe 30' A kind of intermediate drainpipe 10' with sealing function, as depicted in figs. 1 and 2, the one end intermediate drainpipe 10' is with drainpipe 30''s Outlet connection, the other end are connect with drip tray 20', and drip tray 20' also has sealing function with intermediate drainpipe 10';Or such as Shown in Fig. 3, using the plug 40' for covering a upper rubber material in the exits drainpipe 30';Also using directly reduction drainpipe The method of the diameter in exit.
Above-mentioned technical proposal can reach the extraneous thermic load of reduction and enter ice by drainpipe to a certain extent Purpose in case case courage, but there is also following disadvantages simultaneously for above-mentioned technical proposal:For being placed using at drainpipe outlet The installation of the mode of intermediate drainpipe with sealing function, intermediate drainpipe is inconvenient, needs to incite somebody to action using larger power Intermediate drainpipe is fixed, if the phenomenon that it is easy to appear centre drainpipe is fallen when loosening, refrigerator circulation not in place, is installed, and this Kind mode has had more an intermediate drainpipe, increases the cost of complete machine;For using the placement rubber material at drainpipe outlet The mode of the plug of matter, although the small volume of plug, plug is equally susceptible to the phenomenon that falling after installation;For direct Small mode is done into the outlet of drainpipe, it is easy to appear drainpipes to block (ice is stifled) phenomenon because the bore of drainpipe is reduced.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, the purpose of one aspect of the present invention is, provide a kind of easy for installation, and can effectively prevent extraneous Thermic load enters the drain assembly in refrigerator courage by drainpipe.
The purpose of another aspect of the present invention is, provides a kind of refrigerator including above-mentioned drain assembly.
To achieve the above object, the embodiment of one aspect of the present invention provides a kind of drain assembly, including:Pipe There is on the tube body body drainage channel, the exit of the drainage channel to be equipped with locating part;Float trap, the float trap position In in the drainage channel;And baffle ring, the baffle ring is mounted on the inlet of the drainage channel, and the float trap can be in institute It states and is moved up and down between locating part and the baffle ring, to open or close the drainage channel.
The drain assembly that the above embodiment of the present invention provides, locating part are located at the exit of drainage channel, baffle ring installation In the inlet of drainage channel, and float trap can move up and down between baffle ring and locating part, i.e., float trap can be in drainage channel Entrance and exit between move up and down, to open or close drainage channel, needing to arrange so that drain assembly is both enough It moves up float trap when water to open drainage channel, to effectively exhaust the water generated when refrigerator defrost, and can be not Need makes float trap move down when draining closes drainage channel, to effectively prevent extraneous thermic load to pass through drainage channel It is simple in structure into refrigerator courage, it is easy for installation, it is at low cost using reliable;With use going out in drainpipe in the related technology Intermediate drainpipe is placed at mouthful or is arranged the plug of rubber material or directly reduces the diameter at drainpipe outlet, to prevent the external world Thermic load compared in such a way that drainage channel enters in refrigerator courage, drain assembly provided by the invention, it is simple in structure, It is easy for installation, using reliable, effectively prevent caused by being additionally arranged intermediate drainpipe or adding plug it is easy to fall off, using can not Lean on, and it is difficult to install, of high cost the problems such as, while effectively prevent the diameter at drainpipe outlet it is small caused by drainpipe The problems such as easily blocking.
In addition, the drain assembly that the above embodiment of the present invention provides also has following additional technical feature:
According to one embodiment of present invention, the upper end of the tube body is equipped with the limited step that circumferentially extending is formed outward, The lower wall surface of the baffle ring is resisted against on the limited step, and the internal face of the outside wall surface of the baffle ring and the limited step Interference fit.
In above-described embodiment, the lower wall surface of baffle ring is resisted against on limited step, and the outside wall surface of baffle ring and limited step Internal face is interference fitted, and the upper end that baffle ring is firmly mounted to tube body is realized, so that baffle ring effectively plays float trap Float trap is limited in the drainage channel of tube body by position-limiting action, and float trap is effectively prevent to continue up, and from tube body Upper end be detached from tube body, to improve by float trap move up and down realize drainage channel opening with closing it is reliable Property.
According to one embodiment of present invention, the baffle ring is in circular ring shape, and the center of circle of the baffle ring is interior with the baffle ring There is spaced rib between wall surface, and have into water space between adjacent two rib.
In above-described embodiment, baffle ring is in circular ring shape, and has interval setting between the center of circle of baffle ring and the internal face of baffle ring Rib, the setting of one side rib can realize position-limiting action of the baffle ring to float trap, prevent float trap from continuing across baffle ring It moves upwards;On the other hand, spaced rib so that have into water space, so that ice between two adjacent ribs The water that case case courage generates during defrost can be by the drainage channel for entering tube body into water space, to by drain assembly It is expelled to the outside of refrigerator courage, that is, realizes the proper drainage function of drain assembly.
According to one embodiment of present invention, three institutes are equipped between the center of circle of the baffle ring and the internal face of the baffle ring Rib is stated, and the angle between adjacent two ribs is 120 °.
In above-described embodiment, three ribs are uniformly arranged between the center of circle of baffle ring and the internal face of baffle ring, on the one hand in reality Existing baffle ring is prevented float trap from passing through under the premise of baffle ring continues up, has saved molding and kept off to the position-limiting action of float trap Material used in ring reduces baffle ring cost, to enhance the competitiveness of product in market;On the other hand so that two is adjacent Have larger into water space between rib, ensure when the water that defrost generates is more, water remain able in time by intaking between Gap enters in drainage channel, realizes the proper drainage of drain assembly.
According to one embodiment of present invention, the cross section of the tube body is in circular ring shape, and the float trap is that can float on water Floating ball, and the diameter of the floating ball be less than the tube body internal diameter.
In above-described embodiment, float trap is the floating ball that can float on water so that can rely on the buoyancy and floating ball its own gravity of water Collective effect, realize floating ball moving up and down in drainage channel;The diameter of floating ball is less than the internal diameter of tube body so that floating ball energy It is enough swimmingly to move up and down in tube body, and the water that refrigerator courage is generated in defrost passes through floating ball and drainage channel Between gap enter drainage channel, and be discharged by the outlet of drainage channel, beaten by moving up and down for floating ball to realize The purpose of drainage channel is closed on or off, will be arranged so that drain assembly both enough made float trap move up in refrigerator defrost Aquaporin is opened, and to effectively exhausting the water generated when refrigerator defrost, and can make float trap to moving down in refrigerator not defrost It is dynamic to close drainage channel, it is simple in structure to effectively prevent extraneous thermic load to enter in refrigerator courage by drainage channel, It is easy for installation, using reliable.
Specifically, when refrigerator is not at defrost state, due to less without water or water in drainage channel, floating ball by The buoyancy of the water arrived is much smaller than the gravity of floating ball itself, thus floating ball is located at the exit below drainage channel so that draining is logical Road is closed, and to effectively prevent extraneous thermic load from entering in refrigerator courage by drainage channel, is avoided because extraneous heat is negative Lotus is flowed into refrigerator courage, and compressor operating time is caused to lengthen and the bad phenomenons such as the frosting of evaporator fin surface, icing; When refrigerator is in defrost state, the water that defrost generates flows into from drain inlet in drainage channel, at this point, logical due to draining The buoyancy of the increase of water in road, the water that floating ball is subject to is more than its own gravity, therefore floating ball overcomes itself under the action of buoyancy Gravity moves upwards, i.e., floating ball leaves the outlet of drainage channel so that drainage channel is opened, and the water generated to defrost is from outlet Place's discharge, realizes proper drainage of the drain assembly under refrigerator defrost state;With the progress of drainage procedure, floating ball by Buoyancy be gradually reduced, when buoyancy be less than floating ball itself gravity when, floating ball moves downward and is finally restored to drainage channel Position at mouthful so that drainage channel is closed, and when to prevent refrigerator not defrost, extraneous thermic load is entered by drainage channel In refrigerator courage.
According to one embodiment of present invention, the floating ball is hollow plastic floating ball.
In above-described embodiment, hollow plastic floating ball has light, bulky feature, on the one hand when refrigerator not defrost When, the floating ball of large volume can ensure that when floating ball is located at the exit of drainage channel outlet can be blocked, and prevent extraneous heat negative Lotus enters in refrigerator courage;On the other hand when refrigerator defrost, light, bulky feature makes in one timing of water, floating ball It can be by larger buoyancy, so that floating ball moves upwards so that the water that defrost generates can be discharged in time;And hollow plastic Material floating ball has the advantages that moulding process is simple, at low cost.
According to one embodiment of present invention, the locating part includes:Limiting section, the limiting section is in tabular, described The edge of limiting section is connected with the internal face of the tube body, and the center position of the limiting section is equipped with intercommunicating pore;With only Stopper, the stopper section are that the hole wall of the intercommunicating pore is downwardly extending, and the lower end of the stopper section gradually slopes inwardly.
In above-described embodiment, locating part includes limiting section and stopper section, and the edge of limiting section is connected with the internal face of tube body It connects, and limiting section is in tabular, limiting section can play floating ball good carrying and position-limiting action;The center of limiting section Place is equipped with intercommunicating pore, and the hole wall of intercommunicating pore is downwardly extending stopper section, on the one hand so that flowing into draining when refrigerator defrost leads to The water in road can be flowed out drainage channel by intercommunicating pore, realize proper drainage when refrigerator defrost;The setting of another aspect stopper section was both Position-limiting action of the locating part to floating ball is enhanced, floating ball is effectively prevent to skid off drainage channel through intercommunicating pore, and to work as and not need Floating ball can be resisted against under self gravitation effect on intercommunicating pore and stopper section when draining, to effectively to the outlet of drainage channel into Row sealing achievees the purpose that close drainage channel, to enhance the reliability that drain assembly uses.
According to one embodiment of present invention, the aperture of the intercommunicating pore is less than the diameter of the floating ball, and the backstop The shape of the internal face in portion is adapted with the shape of the outside wall surface of the floating ball.
In above-described embodiment, the aperture of intercommunicating pore is less than the diameter of floating ball, and when preventing floating ball from moving downward, floating ball is through connection Hole skids off drainage channel, to ensure that position-limiting action of the locating part to floating ball;The shape of the internal face of stopper section and floating ball The shape of outside wall surface is adapted, and effectively increases the contact area of stopper section and floating ball, to pass through floating ball and stopper section Coordinate to be effectively sealed to the outlet of drainage channel, that is, achievees the purpose that close drainage channel, and then enhance drainpipe The reliability that component uses.
According to one embodiment of present invention, it is connected smoothly between the limiting section and the stopper section, and described Limiting section, the stopper section and the tube body are an integral structure.
In above-described embodiment, limiting section, stopper section and tube body are an integral structure, and ensure that limiting section, stopper section and pipe Bonding strength between body, and integrated molding has the advantages that moulding process is simple, at low cost;It is put down between limiting section and stopper section It slips over and crosses connection, on the one hand can increase the contact area of limiting section, stopper section and floating ball, to enhance limiting section and backstop The position-limiting action that portion moves downward floating ball, and effectively the outlet of drainage channel is carried out by the cooperation of floating ball and stopper section Sealing;On the other hand, the stress concentration that limiting section and stopper section junction can be effectively reduced, to enhance limiting section and backstop The intensity of portion junction.
The embodiment of another aspect of the present invention provides a kind of refrigerator, including:Case courage, refrigerator container are equipped with draining Mouthful;Drain assembly described in any of the above-described embodiment, the upper end opening of the drain assembly are connected with the discharge outlet; And drip tray, the drip tray are located at the lower section of the drain assembly, to receive the water of the drain assembly discharge.
The refrigerator that the above embodiment of the present invention provides, including drain assembly described in case courage, any of the above-described embodiment and Drip tray, and there is the advantageous effect of the drain assembly described in any of the above-described embodiment, and the defrost generated when refrigerator defrost Water can flow into drain assembly by the discharge outlet in refrigerator courage, then flow into and be located at below drain assembly through drain assembly Drain pan in, to realize proper drainage function when refrigerator defrost.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment Obviously and it is readily appreciated that, wherein:
Fig. 1 is the assembling structure schematic diagram of the drain assembly and refrigerator courage described in the relevant technologies one embodiment;
Fig. 2 is the assembling structure schematic diagram of the drain assembly and refrigerator courage described in the relevant technologies another embodiments;
Fig. 3 is the dimensional structure diagram of the drain assembly described in the relevant technologies another embodiments;
Fig. 4 is the decomposition texture schematic diagram of the drain assembly described according to one embodiment of present invention;
Fig. 5 is the dimensional structure diagram of baffle ring in drain assembly shown in Fig. 4;
Fig. 6 is the schematic cross-sectional view after the assembly of drain assembly shown in Fig. 4;
Fig. 7 is broken section structural schematic diagram of the drain assembly shown in Fig. 6 when drainage channel is closed;
Fig. 8 is the broken section structural schematic diagram of drain assembly shown in Fig. 6 in the open state in drainage channel, it is illustrated that The downward arrow in middle direction indicates the flow direction of water.
Wherein, the correspondence in Fig. 1 to Fig. 3 between reference numeral and component names is:
Drainpipe among 10', 20' drip trays, 30' drainpipes, 40' plugs;
Correspondence in Fig. 4 to Fig. 8 between reference numeral and component names is:
1 drain assembly, 10 tube bodies, 11 drainage channels, 110 outlets, 111 entrances, 12 locating parts, 121 limiting sections, 122 Stopper section, 13 limited steps, 20 floating balls, 30 baffle rings, 31 ribs, 32 into water space.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also By using other, different from implementing in a manner of described here, therefore, protection scope of the present invention is not by following public tool The limitation of body embodiment.
Drain assembly according to some embodiments of the invention and refrigerator are described with reference to the accompanying drawings.
As shown in Fig. 4 to Fig. 8, a kind of drain assembly 1 of the embodiment offer of one aspect of the invention, including:Tube body 10, float trap and baffle ring 30,.
Wherein, there is drainage channel 11 on the tube body 10, locating part is equipped at the outlet 110 of the drainage channel 11 12;
The float trap is located in the drainage channel 11;
The baffle ring 30 is mounted at the entrance 111 of the drainage channel 11, and the float trap can be in the locating part It is moved up and down between 12 and the baffle ring 30, to open or close the drainage channel 11.
The drain assembly that the above embodiment of the present invention provides, locating part are located at the exit of drainage channel, baffle ring installation In the inlet of drainage channel, and float trap can move up and down between baffle ring and locating part, i.e., float trap can be in drainage channel Entrance and exit between move up and down, to open or close drainage channel, so that drain assembly can either need It moves up float trap when draining to open drainage channel, to effectively exhaust the water generated when refrigerator defrost, and can be Make float trap move down when need not drain to close drainage channel, to effectively prevent extraneous thermic load logical by draining Road enters in refrigerator courage, simple in structure, easy for installation, at low cost using reliable;With in the related technology use in drainpipe Exit places intermediate drainpipe or is arranged the plug of rubber material or directly reduces the diameter at drainpipe outlet, outer to prevent The thermic load on boundary is compared in such a way that drainage channel enters in refrigerator courage, drain assembly provided by the invention, structure letter It is single, easy for installation, using reliable, effectively prevent caused by being additionally arranged intermediate drainpipe or adding plug it is easy to fall off, use The problems such as unreliable and difficult to install, of high cost, while effectively preventing arranging caused by the diameter at drainpipe outlet is small The problems such as water pipe easily blocks.
In one embodiment of the present of invention, as shown in fig. 6, the upper end of the tube body 10 is equipped with what circumferentially extending outward was formed The lower wall surface of limited step 13, the baffle ring 30 is resisted against on the limited step 13, and the outside wall surface of the baffle ring 30 and institute State the internal face interference fit of limited step 13.
In above-described embodiment, the lower wall surface of baffle ring is resisted against on limited step, and the outside wall surface of baffle ring and limited step Internal face is interference fitted, and the upper end that baffle ring is firmly mounted to tube body is realized, so that baffle ring effectively plays float trap To position-limiting action, float trap is limited in the drainage channel of tube body, float trap is effectively prevent to continue up, and from tube body Upper end be detached from tube body, to improve by the opening moved up and down to realize drainage channel of float trap or with closing can By property.
Further, as shown in Figure 4 and Figure 5, the baffle ring 30 is in circular ring shape, the center of circle of the baffle ring 30 and the baffle ring 30 Internal face between there is spaced rib 31, and have into water space 32 between adjacent two rib 31.
In above-described embodiment, baffle ring is in circular ring shape, and has interval setting between the center of circle of baffle ring and the internal face of baffle ring Rib, the setting of one side rib can realize position-limiting action of the baffle ring to float trap, prevent float trap from continuing across baffle ring It moves upwards, on the other hand, spaced rib so that have into water space, so that ice between two adjacent ribs The water that case case courage generates during defrost can be entered by the drainage gap in drainage channel, to be expelled to by drain assembly The proper drainage function of drain assembly is realized in the outside of refrigerator courage.
In the specific embodiment of the present invention, as shown in Figure 4 and Figure 5, the center of circle of the baffle ring 30 and the baffle ring 30 Internal face between be equipped with three ribs 31, and the angle between adjacent two ribs 31 is 120 °.
In above-described embodiment, three ribs are uniformly arranged between the center of circle of baffle ring and the internal face of baffle ring, on the one hand in reality Existing baffle ring is prevented float trap from passing through under the premise of baffle ring continues up, has saved molding and kept off to the position-limiting action of float trap Material used in ring reduces baffle ring cost, to enhance the competitiveness of product in market;On the other hand so that two is adjacent Have larger into water space between rib, ensure when the water that defrost generates is more, water remain able in time by intaking between Gap enters in drainage channel, realizes the proper drainage of drain assembly.
In one embodiment of the present of invention, as shown in figure 8, the cross section of the tube body 10 is in circular ring shape, the float trap For that can float on the floating ball 20 of water, and the diameter of the floating ball 20 is less than the internal diameter of the tube body 10.
In above-described embodiment, float trap is the floating ball that can float on water so that can rely on the buoyancy and floating ball its own gravity of water Collective effect, realize floating ball moving up and down in drainage channel;The diameter of floating ball is less than the internal diameter of tube body so that floating ball energy It is enough swimmingly to move up and down in tube body, and the water that refrigerator courage is generated in defrost passes through floating ball and drainage channel Between gap enter drainage channel, and be discharged by the outlet of drainage channel, beaten by moving up and down for floating ball to realize The purpose of drainage channel is closed on or off, will be arranged so that drain assembly both enough made float trap move up in refrigerator defrost Aquaporin is opened, and to effectively exhausting the water generated when refrigerator defrost, and can make float trap to moving down in refrigerator not defrost It is dynamic to close drainage channel, it is simple in structure to effectively prevent extraneous thermic load to enter in refrigerator courage by drainage channel, It is easy for installation, using reliable.
Specifically, as shown in Figure 6 and Figure 7, when refrigerator is not at defrost state, due in drainage channel 11 without water Or water is less, the buoyancy for the water that floating ball 20 is subject to is much smaller than the gravity of itself of floating ball 20, thus floating ball 20 is located at drainage channel At the outlet 110 of 11 lower sections so that drainage channel 11 is closed, to effectively prevent extraneous thermic load from passing through drainage channel 11 Into in refrigerator courage, avoids being flowed into refrigerator courage because of extraneous thermic load, lead to compressor operating time lengthening and wing The bad phenomenons such as the frosting of piece evaporator surface, icing;As shown in figure 8, when refrigerator is in defrost state, water that defrost generates is from row 11 inlet of aquaporin flows into drainage channel 11, at this point, due to the increase of water in drainage channel 11, the water that floating ball 20 is subject to Buoyancy be more than its own gravity, therefore floating ball 20 overcomes its own gravity to move upwards under the action of buoyancy, i.e., floating ball 20 leaves At the outlet 110 of drainage channel 11 so that drainage channel 11 is opened, to which the water that defrost generates is discharged from exit, in Fig. 8 The downward arrow in direction indicates the flow direction of water, realizes proper drainage of the drain assembly 1 under refrigerator defrost state;With The progress of drainage procedure, the buoyancy that floating ball 20 is subject to is gradually reduced, when buoyancy is less than the gravity of floating ball 20 itself, floating ball 20 The position in 11 exit of drainage channel is moved downward and be finally restored to, again closes drainage channel 11, such as Fig. 6 and Fig. 7 institutes Show, when to prevent refrigerator not defrost, extraneous thermic load is entered by drainage channel 11 in refrigerator courage.
Preferably, as shown in Figure 6 to 8, the floating ball 20 is hollow plastic floating ball.
In above-described embodiment, hollow plastic floating ball has light, bulky feature, on the one hand when refrigerator not defrost When, the floating ball of large volume can ensure that when floating ball is located at the exit of drainage channel outlet can be blocked, and prevent extraneous heat negative Lotus enters in refrigerator courage;On the other hand when refrigerator defrost, light, bulky feature makes in one timing of water, floating ball It can be by larger buoyancy, so that floating ball moves upwards so that the water that defrost generates can be discharged in time;And hollow plastic Material floating ball has the advantages that moulding process is simple, at low cost.
In one embodiment of the present of invention, as shown in Fig. 6, Fig. 7 and Fig. 8, the locating part 12 includes:121 He of limiting section Stopper section 122.
Wherein, the limiting section 121 is in tabular, the internal face phase at the edge of the limiting section 121 and the tube body 10 Connection, and the center position of the limiting section 121 is equipped with intercommunicating pore;The stopper section 122 be the intercommunicating pore hole wall to Under extend to form, and the lower end of the stopper section 122 gradually slopes inwardly.
In above-described embodiment, locating part includes limiting section and stopper section, and the edge of limiting section is connected with the internal face of tube body It connects, and limiting section is in tabular, limiting section can play floating ball good carrying and position-limiting action;The center of limiting section Place is equipped with intercommunicating pore, and the hole wall of intercommunicating pore is downwardly extending stopper section, on the one hand so that flowing into draining when refrigerator defrost leads to The water in road can be flowed out drainage channel by intercommunicating pore, realize proper drainage when refrigerator defrost;The setting of another aspect stopper section was both Position-limiting action of the locating part to floating ball is enhanced, floating ball is effectively prevent to skid off drainage channel through intercommunicating pore, and to work as and not need Floating ball can be resisted against under self gravitation effect on intercommunicating pore and stopper section when draining, to effectively to the outlet of drainage channel into Row sealing achievees the purpose that close drainage channel, to enhance the reliability that drain assembly uses.
Further, as shown in Figure 7 and Figure 8, the aperture of the intercommunicating pore is less than the diameter of the floating ball 20, and the backstop The shape of the internal face in portion 122 is adapted with the shape of the outside wall surface of the floating ball 20.
In above-described embodiment, the aperture of intercommunicating pore is less than the diameter of floating ball, and when preventing floating ball from moving downward, floating ball is through connection Hole skids off drainage channel, to ensure that position-limiting action of the locating part to floating ball;The shape of the internal face of stopper section and floating ball The shape of outside wall surface is adapted, and effectively increases the contact area of stopper section and floating ball, to pass through floating ball and stopper section Coordinate to be effectively sealed to the outlet of drainage channel, that is, achievees the purpose that close drainage channel, and then enhance drainpipe The reliability that component uses.
Preferably, as shown in Figure 6 to 8, it is connected smoothly between the limiting section 121 and the stopper section 122, and The limiting section 121, the stopper section 122 and the tube body 10 are an integral structure.
In above-described embodiment, limiting section, stopper section and tube body are an integral structure, and ensure that limiting section, stopper section and pipe Bonding strength between body, and integrated molding has the advantages that moulding process is simple, at low cost;It is put down between limiting section and stopper section It slips over and crosses connection, on the one hand can increase the contact area of limiting section, stopper section and floating ball, to enhance limiting section and backstop The position-limiting action that portion moves downward floating ball, and effectively the outlet of drainage channel is carried out by the cooperation of floating ball and stopper section Sealing;On the other hand, the stress concentration that limiting section and stopper section junction can be effectively reduced, to enhance limiting section and backstop The intensity of portion junction.
The embodiment of another aspect of the present invention provides a kind of refrigerator (not shown), including:It is case courage, any of the above-described Drain assembly 1 described in embodiment and drip tray.
Wherein, refrigerator container is equipped with discharge outlet;The upper end opening of the drain assembly 1 is connected with the discharge outlet It connects;The drip tray is located at the lower section of the drain assembly 1, to receive the water of the discharge of the drain assembly 1.
The refrigerator that the above embodiment of the present invention provides, including drain assembly described in case courage, any of the above-described embodiment and Drip tray, and there is the advantageous effect of the drain assembly described in any of the above-described embodiment, and the defrost generated when refrigerator defrost Water can flow into drain assembly by the discharge outlet in refrigerator courage, then flow into and be located at below drain assembly through drain assembly Drain pan in, to realize proper drainage function when refrigerator defrost.
In conclusion drain assembly provided by the invention, passes through the inlet and outlet of the drainage channel on tube body Baffle ring and limit rib is respectively set in place so that float trap can move up and down between the entrance and exit of drainage channel, to open Or drainage channel is closed, so that drain assembly can either be such that float trap moves up drainage channel when needing draining It opens, to effectively exhaust the water of refrigerator defrost generation, and float trap can be made to move down and will drain when that need not drain Channel is closed, to effectively prevent extraneous thermic load to enter in refrigerator courage by drainage channel, simple in structure, installation side Just, at low cost using reliable.Specifically, the floating ball that can float on water can be used in float trap, and the diameter of floating ball is less than tube body Diameter, so as to by water buoyancy and floating ball its own gravity collective effect, realize floating ball in drainage channel on move down Dynamic, when such refrigerator is not at defrost state, the buoyancy for the water that floating ball is subject to is much smaller than the gravity of floating ball itself, thus float-level Exit below drainage channel so that drainage channel is closed, to effectively prevent extraneous thermic load logical by draining Road enters in refrigerator courage, avoids being flowed into refrigerator courage because of extraneous thermic load, cause compressor operating time lengthen and The bad phenomenons such as the frosting of evaporator fin surface, icing;When refrigerator is in defrost state, the buoyancy for the water that floating ball is subject to is more than certainly Body gravity, therefore floating ball overcomes its own gravity to move upwards under the action of buoyancy, i.e., floating ball leaves the outlet of drainage channel, makes It obtains drainage channel to open, to which the water that defrost generates is discharged from exit, realizes drain assembly under refrigerator defrost state Proper drainage;With the progress of drainage procedure, the buoyancy that floating ball is subject to is gradually reduced, when buoyancy is less than the gravity of floating ball itself When, floating ball moves downward and is finally restored to the position at drain outlet so that drainage channel is closed, to prevent refrigerator When not defrost, extraneous thermic load is entered by drainage channel in refrigerator courage.
In the description of the present invention unless specifically defined or limited otherwise, term " connection ", " connected " etc. should all be done extensively Reason and good sense solution, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection, or electrical connection;It can It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of drain assembly, which is characterized in that including:
There is on the tube body tube body drainage channel, the exit of the drainage channel to be equipped with locating part;
Float trap, the float trap are located in the drainage channel;With
Baffle ring, the baffle ring is mounted on the inlet of the drainage channel, and the float trap can be in the locating part and described It is moved up and down between baffle ring, to open or close the drainage channel;
The baffle ring is in circular ring shape, has spaced rib between the center of circle of the baffle ring and the internal face of the baffle ring, And have into water space between adjacent two rib.
2. drain assembly according to claim 1, which is characterized in that
The upper end of the tube body is equipped with the limited step that circumferentially extending is formed outward, and the lower wall surface of the baffle ring is resisted against the limit On the step of position, and the outside wall surface of the baffle ring and the internal face of the limited step are interference fitted.
3. drain assembly according to claim 2, which is characterized in that
Between the center of circle of the baffle ring and the internal face of the baffle ring be equipped with three ribs, and adjacent two ribs it Between angle be 120 °.
4. drain assembly according to any one of claim 1 to 3, which is characterized in that
The cross section of the tube body is in circular ring shape, and the float trap is that can float on the floating ball of water, and the diameter of the floating ball is less than The internal diameter of the tube body.
5. drain assembly according to claim 4, which is characterized in that
The floating ball is hollow plastic floating ball.
6. drain assembly according to claim 4, which is characterized in that the locating part includes:
Limiting section, the limiting section are in tabular, and the edge of the limiting section is connected with the internal face of the tube body, and described The center position of limiting section is equipped with intercommunicating pore;With
Stopper section, the stopper section be the intercommunicating pore hole wall be downwardly extending, and the lower end of the stopper section gradually to It is tilted.
7. drain assembly according to claim 6, which is characterized in that
The aperture of the intercommunicating pore is less than the diameter of the floating ball, and the shape of the internal face of the stopper section and the floating ball The shape of outside wall surface is adapted.
8. drain assembly according to claim 7, which is characterized in that
It is connected smoothly between the limiting section and the stopper section, and the limiting section, the stopper section and the tube body It is an integral structure.
9. a kind of refrigerator, which is characterized in that including:
Case courage, refrigerator container are equipped with discharge outlet;
Such as drain assembly described in any item of the claim 1 to 8, the upper end opening of the drain assembly and the draining Mouth is connected;With
Drip tray, the drip tray are located at the lower section of the drain assembly, to receive the water of the drain assembly discharge.
CN201510321067.XA 2015-06-12 2015-06-12 drain assembly and refrigerator Active CN104864664B (en)

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CN107014144B (en) * 2017-04-25 2024-06-07 青岛海尔特种电冰柜有限公司 Refrigerating apparatus
CN107144077B (en) * 2017-04-25 2024-03-26 青岛海尔特种电冰柜有限公司 Refrigerating device
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CN210166360U (en) * 2018-07-31 2020-03-20 常州承信投资合伙企业(有限合伙) Air quality detection device for vehicle

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