CN203263287U - Safety valve of dust collector and dust collector - Google Patents
Safety valve of dust collector and dust collector Download PDFInfo
- Publication number
- CN203263287U CN203263287U CN 201320253990 CN201320253990U CN203263287U CN 203263287 U CN203263287 U CN 203263287U CN 201320253990 CN201320253990 CN 201320253990 CN 201320253990 U CN201320253990 U CN 201320253990U CN 203263287 U CN203263287 U CN 203263287U
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- safety valve
- piston
- dust catcher
- container cavity
- cover body
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Abstract
The utility model discloses a safety valve of a dust collector and the dust collector. The safety valve comprises a valve body, a piston, an elastic component and a cover body, wherein an accommodating cavity is arranged inside the valve body, and the valve body is provided with an air inlet and an air outlet which are communicated with the accommodating cavity; the piston is positioned between the first position and the second position and movably arranged in the accommodating cavity, the piston is provided with the air inlet and the air outlet in the first position at intervals, and the second position is communicated with the air inlet and the air outlet; the elastic component is arranged in the accommodating cavity and respectively connected with the wall of the accommodating cavity and the piston, and the elastic component has a force for pushing the piston to the first position; a cavity is arranged in the cover body, the cover body is provided with a first opening and a second opening which are communicated with the cavity, and the first opening is communicated with the air outlet. According to the safety valve of the dust collector, provided by the utility model, the matching stability of the safety valve and an air pump is improved, air leakage is avoided, and the performance of the safety valve is improved.
Description
Technical field
The utility model relates to appliance design manufacturing technology field, particularly a kind of safety valve of dust catcher and have the dust catcher of this safety valve.
Background technology
Traditional safety valve adopts the assembly supplied materials, then is arranged on complete machine.Not only complex procedures, and cost of idleness.Be difficult to avoid on performance performance is become be difficult to control because of the fixing not firm gas leakage that causes.
The utility model content
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or provides at least a kind of useful business to select.For this reason, a purpose of the present utility model is to propose a kind of easy for installation and avoid the safety valve of the dust catcher that leaks gas.
Another purpose of the present utility model is to propose a kind of dust catcher with this safety valve.
Safety valve according to dust catcher of the present utility model comprises: valve body, piston, elastic component and cover body.The air inlet and the gas outlet that have container cavity and the described container cavity of connection in described valve body; Described piston is located between primary importance and the second place in described container cavity movably, separates described air inlet and gas outlet at the described piston space of described primary importance, is communicated with at the described air inlet of the described second place and described gas outlet; Described elastic component is located in described container cavity and is connected with described piston with the wall of described container cavity respectively, and described elastic component has the power that often promotes described piston to described primary importance; Have the first opening and second opening of cavity and the described cavity of connection in described cover body, described the first opening is communicated with described gas outlet.
Safety valve according to dust catcher of the present utility model, entrance and the external world with air exhauster separates by cover body, improved the stability that safety valve coordinates with air exhauster, the phenomenon of having avoided having the gap when in the conventional art, safety valve coordinates with air intake cover and having caused gas leakage, improved the performance of safety valve, avoid gas leakage, improved dust collection efficiency and the serviceability of dust catcher.Safety valve structure of the present utility model is simple, and is easy to assembly, improved the efficiency of assembling of safety valve, reduces costs.
In addition, the safety valve of the dust catcher above-mentioned according to the utility model can also have following additional technical characterictic:
Also comprise seal, the first end of described container cavity opens wide, described seal is located on described valve body and with the first end of described container cavity and coordinates, and described air inlet is located on described seal, is pressed on described seal to seal described air inlet at the described piston of described primary importance.Thus, make safety valve structure simple, easy to operate, be convenient to improve the stability of air exhauster by the safety valve pressure release.
Have the projection around described air inlet on the inner surface of described seal, be pressed on described projection at the described piston of described primary importance.Thus, when primary importance, piston is pressed on projection closely, effectively seals air inlet, has improved the sealing effectiveness of safety valve in primary importance, avoids gas leakage.
The first opening sleeve of described cover body is located on the outer peripheral face of described valve body.Thus, improved the sealing of safety valve, avoided safety valve gas leakage, improved the performance of safety valve, the convenient use avoids damaging air exhauster, improved the service life of air exhauster.
Described cover body and described valve body are integrally formed.Thus, improve the simple in structure of safety valve, made the simple in structure of safety valve, be convenient to moulding, improved the shaping efficiency of safety valve, and reduced the moulding cost of safety valve.
Described gas outlet is located on the wall of the second end of described container cavity.Thus, simplify the structure of safety valve, reduced the requirement to the cover body position, simplified design and the production of safety valve.In addition, can improve the flow efficiency of gas, improve the pressure release effect of safety valve, avoid air exhauster to damage.
Has the gap between the wall of described piston and described container cavity.Thus, be convenient to gas communication, simplified the structure of valve body.
According to dust catcher of the present utility model, comprising: airscoop shroud, air exhauster and safety valve.Described air exhauster has gas feed; Described safety valve is the aforesaid safety valve of the utility model, and the second opening of described cover body is communicated with described gas feed.
According to dust catcher of the present utility model, be provided with safety valve aforesaid according to the utility model, avoided arranged at safety valve gas leakage, improved the performance of dust catcher, the convenient use, and improved the efficient of dust catcher dust suction.
Described air exhauster is provided with the groove around described gas feed, the end that described cover body has the second opening be supported on described air exhauster and with described groove fit.Thus, make stable being arranged on air exhauster of safety valve, improved safe Operating stability of valve, and make that cover body and air exhauster are stable to be coordinated, avoid leaking gas, improved the serviceability of dust catcher.
Described airscoop shroud compresses described safety valve so that described safety valve is pressed on described air exhauster.Thus, improve the sealing effectiveness of the gas feed of the second opening of cover body and air exhauster, avoided gas leakage.In addition, by the cooperation of airscoop shroud and air exhauster, make stable being arranged in dust catcher of safety valve, improved the stability of dust catcher, reduced the fault rate of dust catcher.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the generalized section of the safety valve of an embodiment of the present utility model;
Fig. 2 is the local enlarged diagram that Fig. 1 centre circle shows A;
Fig. 3 is the generalized section of the dust catcher of an embodiment of the present utility model;
Fig. 4 is the local enlarged diagram that Fig. 1 centre circle shows B.
The specific embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explanation the utility model, and can not be interpreted as restriction of the present utility model.
in description of the present utility model, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is separately arranged.
In the utility model, unless clear and definite regulation and restriction are separately arranged, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless clear and definite regulation and restriction are separately arranged, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
Describe with reference to the accompanying drawings the safety valve of the volume dust catcher of the utility model embodiment in detail.
As depicted in figs. 1 and 2, the safety valve 1 according to the dust catcher of the utility model embodiment comprises: valve body 11, piston 12, elastic component 13 and cover body 14.The air inlet 102 and the gas outlet (not shown) that have container cavity 101 and connection container cavity 101 in valve body 11.Piston 12 is located between primary importance and the second place in container cavity 101 movably, in the spaced apart air inlet 102 of described primary importance piston 12 and gas outlet, is communicated with at described second place air inlet 102 and described gas outlet.Elastic component 13 is located in container cavity 101 and is connected with piston 12 with the wall of container cavity 101 respectively, and elastic component 13 has normal power to described primary importance pushing piston 12, in other words, under the elastic force effect of elastic component 13, piston often is in the position of spaced apart air inlet 102 and described gas outlet, reaches predetermined value at pressure and makes, and piston 12 moves to the second place, to be communicated with air inlet 102 and described gas outlet, be convenient to pressure release.Have the first opening (not shown) and second opening 104 of cavity 103 and connection cavity 103 in cover body 14, described the first opening is communicated with described gas outlet.
Safety valve according to the dust catcher of the utility model embodiment, entrance and the external world with air exhauster separates by cover body 14, improved the stability that safety valve 1 coordinates with air exhauster, the phenomenon of having avoided having the gap when in the conventional art, safety valve coordinates with air intake cover and having caused gas leakage, improved the performance of safety valve, avoid gas leakage, improved dust collection efficiency and the serviceability of dust catcher.Safety valve structure of the present utility model is simple, and is easy to assembly, improved the efficiency of assembling of safety valve 1, reduces costs.
As shown in Figure 1, in embodiment more of the present utility model, safety valve 1 also comprises seal 15, the first end of container cavity 101 (namely as shown in Figure 1 an end that makes progress) opens wide, seal 15 is located on valve body 11 and with the first end of container cavity 101 and coordinates, air inlet 102 is located on seal 15, is pressed on seal 15 with sealing air inlet 102 at described primary importance piston 12.Particularly, as shown in Figure 1, be formed with the container cavity 101 that the upper end is opened wide in valve body 11, the upper end of seal 15 sealing container cavities 101, and closure member 15 is provided with the air inlet 102 that is communicated with container cavity 101, the pressure that is subject at piston 12 are hour, elastic component 13 pushing pistons 12 are pressed on seal 15, sealing air inlet 102; When the pressure that is subject at piston 12 was not less than predetermined pressure, piston 12 moved to the second place, opens air inlet 102, and gas is entered in container cavity 101, and is discharged in the cavity 103 of cover body 14 by the gas outlet of container cavity 101, to regulate pressure differential.Thus, make safety valve 1 simple in structure, easy to operate, be convenient to improve the stability of air exhauster by the safety valve pressure release.
Favourable, have the projection 151 around air inlet 102 on the inner surface of seal 15, be pressed on projection 151 at described primary importance piston 12.In other words, seal 15 is provided with projection 151 towards the surface of container cavity 101, and in primary importance, piston 12 is pressed on projection 151, enters in container cavity 101 by air inlet 102 to avoid gas, and in other words, the lower surface of seal 15 is provided with projection 151.Thus, when primary importance, piston 12 is pressed on projection 151 closely, effectively seals air inlet 102, has improved the sealing effectiveness of safety valve 1 in primary importance, avoids gas leakage.
As shown in Figure 1, in embodiment more of the present utility model, the first opening sleeve of cover body 14 is located on the outer peripheral face of valve body 11.In other words, cover body 14 arranges around valve body 11, and cover body 14 is connected with valve body 11, so that cover body 14 is communicated with the container cavity of valve body 11, avoids safety valve 1 to leak gas.Thus, improved the sealing of safety valve 1, avoided safety valve 1 gas leakage, improved the performance of safety valve 1, the convenient use avoids damaging air exhauster, improved the service life of air exhauster.
Further, cover body 14 is integrally formed with valve body 11.Thus, improve the simple in structure of safety valve 1, made the simple in structure of safety valve 1, be convenient to moulding, improved the shaping efficiency of safety valve 1, and reduced the moulding cost of safety valve 1.
Advantageously, described gas outlet is located on the wall of the second end (namely as shown in Figure 1 a downward end) of container cavity 101, and in other words, the gas outlet is located on the lower wall of container cavity 101.Thus, simplify the structure of safety valve 1, reduced the requirement to cover body 14 positions, simplified design and the production of safety valve 1.In addition, can improve the flow efficiency of gas, improve the pressure release effect of safety valve 1, avoid air exhauster to damage.
Further, have the gap between the wall of piston 12 and container cavity 101, in other words, the size of piston 12 is less than the size of container cavity 101.Thus, be convenient to gas communication, simplified the structure of valve body 11.
Particularly, in embodiment more of the present utility model, piston 12 is of similar shape with the cross section of the wall of container cavity 101, and the size of piston 12 is less than the size of the wall of container cavity 101.
In addition, can also be provided with the connectivity slot that is communicated with air inlet 102 and gas outlet on the wall of container cavity 101, this is understandable for those of ordinary skill in the art.
As shown in Figure 3 and Figure 4, the dust catcher according to the utility model embodiment comprises: airscoop shroud 2, air exhauster 3 and safety valve 1.
According to the dust catcher of the utility model embodiment, be provided with safety valve 1 described according to the utility model previous embodiment, avoided safety valve 1 place gas leakage, improved the performance of dust catcher, the convenient use, and improved the efficient of dust catcher dust suction.
As Fig. 2 or shown in Figure 3, according to embodiment more of the present utility model, air exhauster 3 is provided with around gas feed 301 grooves 302, and the end (namely as shown in Figure 4 downward an end) that cover body 14 has the second opening is supported on air exhauster 3 and with groove 302 and coordinates.In other words, as shown in Figure 4, the lower end of cover body 14 is opened wide, and the lower end of cover body 14 is engaged in groove 302.Thus, make stable being arranged on air exhauster 3 of safety valve 1, improved the stability of safety valve 1, and cover body 14 is coordinated with air exhauster 3 is stable, avoid gas leakage, improved the serviceability of dust catcher.
Further, airscoop shroud 2 compresses safety valve 1 so that safety valve 1 is pressed on air exhauster 3, and in other words, as shown in Figure 4, airscoop shroud 2 is pressed on the upper end of safety valve 1, makes cover body 14 and stable the coordinating of groove 302.Thus, improve the second opening 104 of cover body 14 and the sealing effectiveness of the gas feed 301 of air exhauster 3, avoided gas leakage.In addition, by the cooperation of airscoop shroud 2 and air exhauster 3, make stable being arranged in dust catcher of safety valve 1, improved the stability of dust catcher, reduced the fault rate of dust catcher.
Particularly, airscoop shroud 2 is provided with plate body, and plate body is pressed on the seal 15 of safety valve 1, and the lower surface of plate body is provided with convex tendon, is used for making between plate body and seal 15 having the gap.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiment of the present utility model, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art is not in the situation that break away from principle of the present utility model and aim can change above-described embodiment, modification, replacement and modification in scope of the present utility model.
Claims (10)
1. the safety valve of a dust catcher, is characterized in that, comprising:
Valve body has container cavity and the air inlet and the gas outlet that are communicated with described container cavity in described valve body;
Piston, described piston are located between primary importance and the second place in described container cavity movably, separate described air inlet and gas outlet at the described piston space of described primary importance, are communicated with at the described air inlet of the described second place and described gas outlet;
Elastic component, described elastic component are located in described container cavity and are connected with described piston with the wall of described container cavity respectively, and described elastic component has the power that often promotes described piston to described primary importance; With
Cover body has cavity and the first opening and the second opening that are communicated with described cavity in described cover body, described the first opening is communicated with described gas outlet.
2. the safety valve of dust catcher according to claim 1, it is characterized in that, also comprise seal, the first end of described container cavity opens wide, described seal is located on described valve body and with the first end of described container cavity and coordinates, described air inlet is located on described seal, is pressed on described seal to seal described air inlet at the described piston of described primary importance.
3. the safety valve of dust catcher according to claim 2, is characterized in that, has the projection around described air inlet on the inner surface of described seal, is pressed on described projection at the described piston of described primary importance.
4. the safety valve of dust catcher according to claim 1, is characterized in that, the first opening sleeve of described cover body is located on the outer peripheral face of described valve body.
5. the safety valve of dust catcher according to claim 4, is characterized in that, described cover body and described valve body are integrally formed.
6. the safety valve of dust catcher according to claim 4, is characterized in that, described gas outlet is located on the wall of the second end of described container cavity.
7. the safety valve of dust catcher according to claim 2, is characterized in that, has the gap between the wall of described piston and described container cavity.
8. a dust catcher, is characterized in that, comprising:
Airscoop shroud;
Air exhauster, described air exhauster has gas feed;
According to claim 1, the described safety valve of any one in-7, the second opening of described cover body is communicated with described gas feed.
9. dust catcher according to claim 8, is characterized in that, described air exhauster is provided with the groove around described gas feed, the end that described cover body has the second opening be supported on described air exhauster and with described groove fit.
10. dust catcher according to claim 9, is characterized in that, described airscoop shroud compresses described safety valve so that described safety valve is pressed on described air exhauster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320253990 CN203263287U (en) | 2013-05-10 | 2013-05-10 | Safety valve of dust collector and dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320253990 CN203263287U (en) | 2013-05-10 | 2013-05-10 | Safety valve of dust collector and dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203263287U true CN203263287U (en) | 2013-11-06 |
Family
ID=49493796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320253990 Expired - Fee Related CN203263287U (en) | 2013-05-10 | 2013-05-10 | Safety valve of dust collector and dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203263287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175585A (en) * | 2016-09-19 | 2016-12-07 | 珠海格力电器股份有限公司 | Safety valve and dust collector adopting same |
-
2013
- 2013-05-10 CN CN 201320253990 patent/CN203263287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175585A (en) * | 2016-09-19 | 2016-12-07 | 珠海格力电器股份有限公司 | Safety valve and dust collector adopting same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: No. 39 Cao Hu road Xiangcheng Economic Development Zone in Suzhou City, Jiangsu province 215100 Patentee after: JIANGSU MIDEA CLEANING ELECTRICAL APPLIANCE CO., LTD. Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 999 215131 Patentee before: Jiangsu Midea Chunhua Electric Appliance Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20200510 |