CN106175585A - Safety valve and dust collector adopting same - Google Patents
Safety valve and dust collector adopting same Download PDFInfo
- Publication number
- CN106175585A CN106175585A CN201610831636.XA CN201610831636A CN106175585A CN 106175585 A CN106175585 A CN 106175585A CN 201610831636 A CN201610831636 A CN 201610831636A CN 106175585 A CN106175585 A CN 106175585A
- Authority
- CN
- China
- Prior art keywords
- spool
- valve
- relief valve
- block ring
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000428 dust Substances 0.000 title abstract description 7
- 230000033001 locomotion Effects 0.000 claims description 8
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to the technical field of household appliances, in particular to a safety valve and a dust collector adopting the same. The safety valve comprises a valve body, an elastic part, a valve core, a valve cap and a flow blocking ring, wherein the flow blocking ring is sleeved on the outer side of the valve core, after the valve core opens the air inlet, an air inlet channel is formed among the flow blocking ring, the valve core and the valve cap, and air flow entering from the air inlet at least can impact the flow blocking ring and the valve core. Also provides a dust collector adopting the safety valve. The resistance of air entering the fan cover is improved through the arrangement of the choking ring, the corresponding choking ring can also be impacted by the air, and the choking ring is sleeved on the outer side of the valve core, which is equivalent to improving the impact force of the air on the valve core, so that the valve core can be ensured to be in the maximum opening degree, and the air inlet reliability of the safety valve is improved.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of relief valve and use its vacuum cleaner.
Background technology
Vacuum cleaner has become household necessary the most, especially now young race and two-earners family, their work at ordinary times
Hurry, do not have too many time and efforts carry out family hygiene work, cleaning many times select weekend, under
After Ban or carried out in the evening, by means of vacuum cleaner, they can complete this more efficiently and must do but uninterested housework
Living, this alleviates the labor intensity of people to a certain extent, has brought great convenience.
Relief valve is an important safety guard in vacuum cleaner, and it directly act as protection, avoids motor
Burn out in the extreme circumstances.Its operation principle is: vacuum cleaner operationally, dust together with air by vacuum cleaner inspiration machine,
Wherein dust is intercepted by dust device, and clean air is extracted by motor, flows to motor, cools down motor simultaneously, when air is discharged,
Take away substantial amounts of heat, thus can reduce motor operating temperature so that it is less than the safe temperature limit value of regulation；When filtering sky
When device of air blocks certain degree or air channel is blocked, when flowing into the air of motor less than certain flow, relief valve energy and
Time open, flow into a certain amount of air, help cooling motor, it is to avoid motor is burned.
In prior art, vacuum cleaner product common design has relief valve.In Application No. CN201320253990.0
State's patent provides relief valve and the vacuum cleaner of a kind of vacuum cleaner, and this relief valve includes: valve body, piston, elastic component and cover body.Institute
There is in stating valve body receiving chamber and the air inlet connecting described receiving chamber and gas outlet；Described piston is at primary importance and second
It is movably arranged at described receiving intracavity between putting, separates described air inlet at piston space described in described primary importance and give vent to anger
Mouthful, connect with described gas outlet at air inlet described in the described second position；Described elastic component is located at described receiving intracavity difference
It is connected with wall and the described piston in described receiving chamber, and described elastic component has often to the described primary importance described piston of promotion
Power；The first opening that there is cavity and connect described cavity in described cover body and the second opening, described first opening with described go out
QI KOU connects.
Although above-mentioned relief valve can improve the stability that relief valve coordinates with air exhauster, it is to avoid gas leakage.But this spool
There is the abnormal phenomenas such as too small, the spool tremor of aperture, cause relief valve intake not enough, when air filtering device blocks necessarily
Degree or air channel when being blocked, if user is continuing with, motor temperature can exceed safety limit scope, affects the use longevity of product
Life, and there is certain potential safety hazard.
So, propose that a kind of relief valve aperture that can solve the problem that existing relief valve exists is too small, the safety of Flutter Problem
Valve and use its vacuum cleaner.
Summary of the invention
It is an object of the invention to propose a kind of relief valve, it is possible to solve that the aperture that existing relief valve exists is too small, quiver
The problem shaken.
Further object is that a kind of vacuum cleaner of proposition, it uses relief valve as described above.
For reaching this purpose, the present invention by the following technical solutions:
A kind of relief valve, including valve body, elastic component, spool and bonnet, described valve body is hollow structure, and bonnet is provided with
Air inlet, described spool is slidably provided with valve inner, and closes air inlet under normal conditions, and described elastic component is arranged on valve
Between body and spool, and providing the elastic force to air inlet motion for valve body, it also includes block ring, and this block ring is set in spool
Outside, after spool opens air inlet, between block ring, spool and bonnet formed inlet channel, air inlet enter
Air-flow impacts on block ring and spool to I haven't seen you for ages.
As a kind of preferred version of above-mentioned relief valve, the most described block ring forms the side of inlet channel for concaving
The globoidal structure fallen into.
As a kind of preferred version of above-mentioned relief valve, the most described block ring forms the side of inlet channel and has groove
Structure.
As a kind of preferred version of above-mentioned relief valve, the outside of described spool is provided with draw-in groove, described block ring interior
Arranging claw on circle, described draw-in groove and claw are mutually clamped, it is achieved block ring and the assembling of spool.
As a kind of preferred version of above-mentioned relief valve, described valve body is the caged being made up of multiple equally distributed vertical rods
Structure, one end of cage-like structure is opening, and the other end has base；
Described opening is fixing with bonnet to be connected, and multiple vertical rods are around the receiving space of formation valve core movement, described spool
Being arranged in receiving space, and can make piston movement within accommodating space, one end of described elastic component abuts with base, the other end
Abut with spool.
As a kind of preferred version of above-mentioned relief valve, described elastic component is spring, and described base has fixing spring
Projection, described spool has the groove of fixing spring.
As a kind of preferred version of above-mentioned relief valve, described bonnet includes base plate, and the side protruding along base plate side
Plate, described air inlet is arranged on base plate；
Described side plate interior sides be internally provided with the limited impression caved inward, the opening of cage-like structure is provided with
The spacing preiection matched with limited impression, described spacing preiection is connected in limited impression, it is achieved valve body and the assembling of bonnet.
As a kind of preferred version of above-mentioned relief valve, described block ring being provided with slot to make way, described block ring is sheathed
In the outside of valve body, and vertical rod is located in slot to make way.
As a kind of preferred version of above-mentioned relief valve, the diameter of described block ring is at least not less than the two of air inlet diameter
Times.
A kind of vacuum cleaner, including air intake cover, this air intake cover is provided with relief valve as described above.
The invention have the benefit that the present invention is improve by the setting of block ring and enter the resistance of air in fan housing,
Corresponding block ring also can be by the impulsive force of air, and block ring is set in outside spool, is equivalent to improve what spool was subject to
Air blast power, thus, it is possible to guarantee that spool may be at the aperture of maximum, and then improves the reliability of relief valve air intake.
Accompanying drawing explanation
Fig. 1 is the relief valve decomposing state schematic diagram that the specific embodiment of the invention provides；
Fig. 2 is the structural representation of the relief valve confined state that the specific embodiment of the invention provides；
Fig. 3 is the structural representation of the relief valve closed mode that the specific embodiment of the invention provides；
Fig. 4 is the structural representation of the relief valve open mode that the specific embodiment of the invention provides；
Fig. 5 is the structural representation of the block ring that the specific embodiment of the invention provides；
Fig. 6 be Fig. 5 " A-A " to sectional view；
Fig. 7 is the structural representation of the vacuum cleaner that the specific embodiment of the invention provides.
Wherein:
1: valve body；2: elastic component；3: spool；4: bonnet；5: air inlet；6: block ring；7: fan housing；8: relief valve.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As shown in Figures 1 to 6, present embodiments provide for a kind of relief valve, be particularly suited for being arranged on vacuum cleaner fan housing
On relief valve, it includes that valve body 1, elastic component 2, spool 3 and bonnet 4, valve body 1 are hollow structure, bonnet 4 is provided with air inlet
Mouth 5, it is internal that spool 3 is slidably provided with valve body 1, and closes air inlet 5 under normal conditions, and elastic component 2 is arranged on valve body 1 and valve
Between core 3, and provide the elastic force to air inlet 5 motion for valve body 1.Concrete, under normal conditions, spool 3 is in frictional force, and bullet
Under the elastic force effect of property part 2, it is connected at air inlet 5, and air inlet 5 is formed the effect of block.When forming negative pressure in fan housing,
Spool 3, under the effect of atmospheric pressure, separates with air inlet 5, and opens air inlet 5, and extraneous air is entered by air inlet 5
Fan housing.
Above-mentioned relief valve also includes block ring 6, and this block ring 6 is set in the outside of spool 3, when spool 3 opens air inlet 5
After, between block ring 6, spool 3 and bonnet 4 formed inlet channel, air inlet 5 air-flow entered through inlet channel up to
I haven't seen you for ages impacts on block ring 6 and spool 3.
In the present embodiment, improve by the setting of block ring 6 and enter the resistance of air, corresponding choked flow in fan housing
Ring 6 also can be by the impulsive force of air, and block ring 6 is set in outside spool 3, is equivalent to improve the air that spool 3 is subject to and rushes
Hit power, thus, it is possible to guarantee that spool 3 may be at the aperture of maximum, and then improve the reliability of relief valve air intake, meanwhile,
Avoid that the relief valve aperture caused owing to gas shock power is too small is too small, the problem of tremor.
The side forming inlet channel with reference to Fig. 5, Fig. 6, at least block ring 6 is the globoidal structure caved inward.At least hinder
Stream ring 6 forms the side of inlet channel and has groove structure.
In the present embodiment, it is arranged to globoidal structure or groove by block ring 6 being accepted the side of air blast
Structure, can improve the wind area of block ring, further improve air drag.
As preferably, the both sides of block ring 6 are the globoidal structure caved inward, or both sides are respectively provided with groove knot
Structure.Form is set by this kind, is possible to prevent that the situation that positive and negative is anti-loaded occurs, improve the convenience that block ring 6 is installed.
It is of course also possible to arrange anti-mounted sign on block ring 6, prevent the situation that positive and negative is anti-loaded.
Block ring 6 mounting means concrete with spool 3 is:
The outside of spool 3 is provided with draw-in groove, the inner ring of block ring 6 arranges claw, draw-in groove and claw and is mutually clamped, it is achieved
Block ring 6 and the assembling of spool 3.By this kind of mode, block ring 6 is set on spool 3, improves the facility of both assemblings
Property, and the structural strength coordinated.
Valve body 1 is the cage structure being made up of multiple equally distributed vertical rods, and one end of cage structure is opening, another
End has base.Valve body 1 arranges cage structure is possible to prevent valve body that the air entering valve body 1 is caused inhibition.
Above-mentioned opening is fixing with bonnet 4 to be connected, and multiple vertical rods are around forming the receiving space that spool 3 moves, and spool 3 sets
Put within accommodating space, and piston movement can be done within accommodating space.It should be understood that between existing between spool 3 and vertical rod
Gap, can prevent vertical rod from impacting the piston movement of spool 3.
One end of elastic component 2 abuts with base, and the other end abuts with spool 3.Concrete, elastic component 2 is spring, on base
Having the projection of fixing spring, spool 3 has the groove of fixing spring.The location to spring by spring and groove, Ke Yiti
The stability that high spring is installed, makes spring and spool 3 keep preferable axiality in motor process.
Bonnet 4 includes base plate, and the side plate protruding along base plate side, and air inlet is arranged on base plate.By side plate
Arrange, air inlet the air-flow entered can be formed the effect gathered, it is possible to the effective impulsive force improving air-flow.
Side plate interior sides be internally provided with the limited impression caved inward, the opening of cage structure is provided with recessed with spacing
The spacing preiection that groove matches, spacing preiection is connected in limited impression, it is achieved valve body 1 and the assembling of bonnet 4.Valve body 1 and valve
Assemble by the way of clamping between cap 4, the convenience of both assemblings can be improved.
Being provided with slot to make way on block ring 6, block ring 6 is set in the outside of valve body 1, and vertical rod is located in slot to make way.
By block ring 6 being set in the outside of valve body 1, the volume of valve body 1 can be reduced, and improve the facility that block ring 6 is installed
Property.For the ease of assembling, above-mentioned slot to make way is open slot, and meanwhile, vertical rod is located on slot to make way, when block ring 6 moves, vertical
Bar can play guiding, spacing effect, improves the stability of block ring 6 motion.
The diameter of block ring 6 is at least not less than the twice of air inlet 5 diameter.As preferably, block ring 6 a diameter of enter
The twice of the diameter of pore, thus, it is possible to provide sufficiently large resistance to the air-flow entering valve body 1.
It should be noted that the shape of above-mentioned block ring 6 can be set according to actual needs, can be circular or square
Shape etc..
In order to above-mentioned relief valve is further detailed, in present embodiment, additionally provide the dress of above-mentioned relief valve
Formula formula:
First spring, spool 3 being assembled to successively in valve body 1, one end of spring is socketed in the projection of valve body 1 base,
The other end inserts in the groove of spool 3, is inserted by the spacing preiection of valve body 1 end in the limited impression of bonnet 4, and make valve after allowing
The end of body 1 is positioned at the space that bonnet 4 side plate is formed, and completes valve body 1 and the assembling of bonnet 4, finally stepping down block ring 6
Groove aligns one by one with vertical rod, and block ring 6 is set in the outside of vertical rod, then makes the claw of block ring 6 be connected to the card of spool 3
On pawl, complete the installation of whole relief valve.
In the present embodiment, additionally provide and the work process that valve is concrete, the force analysis of relief valve such as Fig. 3, Fig. 4 are installed
Shown in, when vacuum cleaner normally works, F1 ＜ F2+F3, wherein, F1 vacuum force, F2 acting force of the spring, F3 rubbing action
Power, now spool 3 is not switched on, when vacuum cleaner filtering equipment laying dust is to a certain extent or time air channel is blocked, true in fan housing
When reciprocal of duty cycle reaches safety valve setting action threshold value, F1=F2+F3, it is now in critical state, this state is the ofest short duration.F1 subsequently
＞ F2+F3, spool 3 opens, and air-flow flows into from relief valve immediately.Air-flow can impact block ring 6 simultaneously, and airflow function is in block ring
The thrust of 6 is more than the spring maximum elastic force under limited compression state, and then makes spool 3 remain at maximum opening state,
Ensure that sufficiently large throughput enters in motor so that it is cooled down.Above-mentioned F1, F2, F3 are the stress of spool 3.
With reference to Fig. 7, in the present embodiment, additionally providing a kind of vacuum cleaner, it includes air intake cover 7, and air intake cover 7 is arranged
There is relief valve 8 as described above.
The relief valve that present embodiment provides is provided that large flow-rate gas stream when opening, it is ensured that when vacuum cleaner air channel is blocked, electricity
Machine still has enough radiating airflows, within making motor temperature remain at safety range.
The know-why of the present invention is described above in association with specific embodiment.These describe and are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel need not pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes fall within
Within protection scope of the present invention.
Claims (10)
1. a relief valve, including valve body (1), elastic component (2), spool (3) and bonnet (4), described valve body (1) is hollow knot
Structure, bonnet (4) is provided with air inlet (5), and it is internal that described spool (3) is slidably provided with valve body (1), and seals under normal conditions
Closing air inlet (5), described elastic component (2) is arranged between valve body (1) and spool (3), and is that valve body (1) provides to air inlet
(5) elastic force moved, it is characterised in that also include that block ring (6), this block ring (6) are set in the outside of spool (3), work as valve
After air inlet (5) opened by core (3), between block ring (6), spool (3) and bonnet (4), form inlet channel, by air inlet (5)
The air-flow entered impacts on block ring (6) and spool (3) up to I haven't seen you for ages through inlet channel.
Relief valve the most according to claim 1, it is characterised in that the most described block ring (6) forms the one of inlet channel
Side is the globoidal structure caved inward.
Relief valve the most according to claim 1, it is characterised in that the most described block ring (6) forms the one of inlet channel
Side has groove structure.
Relief valve the most according to claim 1, it is characterised in that the outside of described spool (3) is provided with draw-in groove, described resistance
Arranging claw on the inner ring of stream ring (6), described draw-in groove and claw are mutually clamped, it is achieved block ring (6) and the assembling of spool (3).
Relief valve the most according to claim 1, it is characterised in that described valve body (1) is by multiple equally distributed vertical rods
The cage structure constituted, one end of cage-like structure is opening, and the other end has base；
Described opening is fixing with bonnet (4) to be connected, and multiple vertical rods are around forming the receiving space that spool (3) moves, described valve
Core (3) is arranged in receiving space, and can make piston movement within accommodating space, and one end of described elastic component (2) is supported with base
Connecing, the other end abuts with spool (3).
Relief valve the most according to claim 5, it is characterised in that described elastic component (2) is spring, and described base has
The projection of fixing spring, described spool (3) has the groove of fixing spring.
Relief valve the most according to claim 5, it is characterised in that described bonnet (4) includes base plate, and along base plate side
Protruding side plate, described air inlet (5) is arranged on base plate；
Described side plate interior sides be internally provided with the limited impression caved inward, the opening of cage-like structure is provided with and limits
The spacing preiection of position fit depressions, described spacing preiection is connected in limited impression, it is achieved valve body (1) and the dress of bonnet (4)
Join.
Relief valve the most according to claim 5, it is characterised in that be provided with slot to make way, described resistance on described block ring (6)
Stream ring (6) is set in the outside of valve body (1), and vertical rod is located in slot to make way.
Relief valve the most according to claim 1, it is characterised in that the diameter of described block ring (6) is at least not less than air inlet
The twice of bore dia.
10. a vacuum cleaner, including air intake cover (7), it is characterised in that described air intake cover (7) is upper to be arranged just like claim 1-9
Relief valve (8) described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831636.XA CN106175585B (en) | 2016-09-19 | 2016-09-19 | Safety valve and dust collector adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831636.XA CN106175585B (en) | 2016-09-19 | 2016-09-19 | Safety valve and dust collector adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106175585A true CN106175585A (en) | 2016-12-07 |
| CN106175585B CN106175585B (en) | 2018-09-07 |
Family
ID=58067241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610831636.XA Active CN106175585B (en) | 2016-09-19 | 2016-09-19 | Safety valve and dust collector adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106175585B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302479A (en) * | 2019-05-30 | 2019-10-08 | 中国人民解放军空军特色医学中心 | Anti-suffocation valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203000802U (en) * | 2012-12-20 | 2013-06-19 | 苏州海力电器有限公司 | Safety valve device used for dust remover |
| CN203263287U (en) * | 2013-05-10 | 2013-11-06 | 江苏美的春花电器股份有限公司 | Safety valve of dust collector and dust collector |
| CN204445691U (en) * | 2015-03-13 | 2015-07-08 | 苏州普发科技有限公司 | A kind of dust catcher |
| CN205260935U (en) * | 2015-11-17 | 2016-05-25 | 江苏美的清洁电器股份有限公司 | Relief valve of dust catcher and dust catcher that has it |
| CN206453736U (en) * | 2016-09-19 | 2017-09-01 | 珠海格力电器股份有限公司 | Safety valve and dust collector adopting same |
-
2016
- 2016-09-19 CN CN201610831636.XA patent/CN106175585B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203000802U (en) * | 2012-12-20 | 2013-06-19 | 苏州海力电器有限公司 | Safety valve device used for dust remover |
| CN203263287U (en) * | 2013-05-10 | 2013-11-06 | 江苏美的春花电器股份有限公司 | Safety valve of dust collector and dust collector |
| CN204445691U (en) * | 2015-03-13 | 2015-07-08 | 苏州普发科技有限公司 | A kind of dust catcher |
| CN205260935U (en) * | 2015-11-17 | 2016-05-25 | 江苏美的清洁电器股份有限公司 | Relief valve of dust catcher and dust catcher that has it |
| CN206453736U (en) * | 2016-09-19 | 2017-09-01 | 珠海格力电器股份有限公司 | Safety valve and dust collector adopting same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302479A (en) * | 2019-05-30 | 2019-10-08 | 中国人民解放军空军特色医学中心 | Anti-suffocation valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106175585B (en) | 2018-09-07 |
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