CN203770769U - Safety valve - Google Patents
Safety valve Download PDFInfo
- Publication number
- CN203770769U CN203770769U CN201420112652.XU CN201420112652U CN203770769U CN 203770769 U CN203770769 U CN 203770769U CN 201420112652 U CN201420112652 U CN 201420112652U CN 203770769 U CN203770769 U CN 203770769U
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- CN
- China
- Prior art keywords
- safety valve
- river
- mouth
- turnover disc
- pin
- 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.)
- Expired - Lifetime
Links
- 230000007306 turnover Effects 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 39
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a safety valve which comprises a shell and a turnover component. A cavity is formed in the shell, the cavity is provided with a first water opening and a second water opening, and the turnover component is reversibly arranged in the cavity through a rotating shaft to open or close the second water opening. According to the safety valve, basic functions of the safety valve such as one-way drainage and internal pressure relief are realized, and pressure limit on water inflow is largely reduced.
Description
Technical field
The utility model relates to a kind of safety valve.
Background technique
At present, safety valve is mainly to compress Nei Guo mechanism by spring, and under intake pressure promotes, spring-compressed is realized water inlet, but not the resilience of water inlet state lower spring stops water to reflux, and realizes unidirectional water flowing.And the shortcoming of this class formation is, spring force needs evenly to compress Nei Guo mechanism, and spring force hour water can exosmose, and causes the problems such as current sky in the container of protecting, but when spring force is larger, needs the higher ability of intake pressure to intake smoothly.
Under some specific environments, as remote small towns, water supply pressure is not enough, and conventional security valve cannot be intake, and affects user and uses.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, an object of the present utility model is to propose a kind of safety valve that super-low voltage water inlet is provided, as long as the intake pressure of described safety valve can be offset the own wt of upset assembly, can realize water inlet.
A kind of safety valve according to the utility model embodiment, comprising: housing, in described housing, there is chamber, and described chamber has first mouth of a river and second mouth of a river; And upset assembly, described upset assembly by rotatingshaft turning be located in described chamber to open or close described second mouth of a river.
According to the utility model embodiment's safety valve, both realized the safety valve fundamental function of letting out in unidirectional water flowing, pressure, significantly reduced again the pressure limit of water inlet.
According to an embodiment of the present utility model, described upset assembly comprises: turnover disc, and one end of described turnover disc is pivotable is connected to described rotatingshaft; Inside let out pin, let out in described pin along described turnover disc axially movably through described turnover disc, the end, one end towards described second mouth of a river of letting out pin in described is suitable for shutoff or opens described second mouth of a river; And in let out spring, let out spring in described and be located in described and let out between pin and described turnover disc.
Particularly, let out pin in described and comprise: body, described body is through described turnover disc; Block head, described block head be located at described body towards the end, one end at described second mouth of a river, and the size of described block head is greater than the size at described second mouth of a river.
According to the further embodiment of the utility model, described upset assembly also comprises: the seal of inside divulging a secret, and described interior leakage seal snare is located in described and lets out on the body of pin, and between described turnover disc and described block head.
Alternatively, described body and the described block head of in described, letting out pin are one-body molded.
Alternatively, in described, letting out pin is metalwork or rubber parts.
According to an embodiment of the present utility model, described turnover disc, let out in described pin and described in the seal of divulging a secret be antiscale material pieces.
According to an embodiment of the present utility model, described body away from adjacent end place on one end of described block head, there is the circumferential groove in its end portion radially inwardly concaving along it, the first end of letting out spring in described is contained in described circumferential groove in its end portion; On described turnover disc, have groove, the second end of letting out spring in wherein said is contained in described groove.
Preferably, in described, letting out the internal diameter of spring from its first end to the second end increases gradually.
According to an embodiment of the present utility model, described housing also comprises clean mouthful, and described clean mouthful of place is removably provided with capping, so that the dust and dirt in the chamber of maintenance and cleaning enclosure interior
According to the utility model embodiment's safety valve, as long as can offsetting the own wt of upset assembly, intake pressure can realize water inlet, realized the break-make of safety valve when compared with low pressure or super-low voltage water inlet, and also simple in structure.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is according to the schematic diagram of an embodiment's of the utility model safety valve;
Fig. 2 is the partial sectional view when non-water inlet state of the safety valve shown in Fig. 1;
Fig. 3 is the schematic diagram of the upset assembly of the safety valve shown in Fig. 2;
Fig. 4 is the schematic diagram of the safety valve shown in Fig. 2 when water inlet state;
Fig. 5 is the safety valve shown in Fig. 2 at interior schematic diagram while letting out state;
Fig. 6 is according to the schematic diagram of another embodiment's of the utility model safety valve;
Fig. 7 is according to the schematic diagram of another embodiment's of the utility model safety valve;
Fig. 8 is according to the schematic diagram of another embodiment's of the utility model safety valve.
Reference character:
Safety valve 100;
Housing 1; Chamber 10; First mouth of a river 11; Second mouth of a river 12; Clean mouthful 13;
Upset assembly 2; Turnover disc 21; Groove 211;
Inside let out pin 22; Body 221; Circumferential groove in its end portion 2211; Block head 222; Inside let out spring 23;
Rotatingshaft 3; Capping 4
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining 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, orientation or the position relationship of the indications such as term " " center ", " on ", D score, " left side ", " right side ", " top ", " end ", " interior ", " outward ", " axially ", " radially ", " circumferentially " be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.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, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1-Fig. 5, describe according to a kind of safety valve 100 of the utility model embodiment, this safety valve 100 is arranged on container so that protection internal tank hydraulic pressure is positioned at predetermined pressure range.
Safety valve 100 according to the utility model embodiment, comprising: housing 1 and upset assembly 2.As shown in Figure 2, have chamber 10 in housing 1, chamber 10 has first mouth of a river 11 and second mouth of a river 12.Upset assembly 2 by rotatingshaft 3 turning be located in chamber 10 to open or close second mouth of a river 12.In example as Figure 2-Figure 5, first mouth of a river 11 is positioned at the upper end at second mouth of a river 12, for example, can be used as the water outlet of safety valve, and second mouth of a river 12 can be as the water intake of safety valve.In the following description, all take upper end that first mouth of a river 11 is positioned at second mouth of a river 12 describes as example.
Like this, during non-water inlet state, upset assembly 2 is closed second mouth of a river 12 under self gravitation effect, and water cannot be flowed out, and in when water inlet, by water pressure pushing assembly 2 moving axis that rotates that overturns, rotates, and opens second mouth of a river 12, has realized thus the function of unidirectional water flowing.Thus, as long as intake pressure can be offset the own wt of upset assembly, water inlet can be realized, when compared with low pressure or super-low voltage water inlet, also the break-make of safety valve can be realized like this.
Therefore, according to the utility model embodiment's safety valve 100, both realize the safety valve fundamental function of letting out in unidirectional water flowing, pressure, significantly reduced again the pressure limit of water inlet.
According to embodiments more of the present utility model, as shown in Figures 2 and 3, upset assembly 2 comprise: turnover disc 21, in let out pin 22 and in let out spring 23, the pivotable rotatingshaft 3 that is connected in one end of turnover disc 21, inside let out pin 22 along turnover disc 21 axially movably through turnover disc 21, the end, one end towards second mouth of a river 12 of inside letting out pin 22 is suitable for shutoff or opens second mouth of a river 12, inside lets out spring 23 and lets out between pin 22 and turnover disc 21 in being located at.Thus, as shown in Figure 4, when hydraulic pressure surpasses the gravity of upset assembly 2, promote turnover disc 21 moving axis 3 upsets that rotate, in now driving, let out pin 22 and move away from second mouth of a river 12, and then second mouth of a river 12 is opened, to realize unidirectional water flowing, meanwhile, inside let out spring 23 in compressive state.As shown in Figure 5, under not water inlet state, due to interior elastic force effect of letting out spring 23, inside let out pin 22 and move towards second mouth of a river 12, like this due to turnover disc 21, in let out pin 22 and in let out the Action of Gravity Field of spring 23, make turnover disc 21 moving axis 3 that rotates return to closed condition.Further, the seal 24 of divulging a secret in upset assembly 2 also comprises, lets out on the body 221 of pin 22 in the seal 24 of inside divulging a secret is set in, and between turnover disc 21 and block head 222.Like this, when turnover disc 21 returns to closed condition as shown in Figure 2, the seal 24 of divulging a secret in extruding, lets out pin 22 seal 24 of divulging a secret in also compressing under interior effect of letting out spring 23 in simultaneously water cannot be flowed out, and realizes the function of unidirectional water flowing.In addition, as shown in Figure 5, when hydraulic pressure in the container of safety valve protection is excessive, inside lets out pin 22 and can in the effect lower compression of inside water pressure, let out spring 23, make thus the water in container to flow out, to realize decompression function.
Particularly, as shown in Figure 3, inside letting out pin 22 comprises: body 221 and block head 222, body 221 is through turnover disc 21, block head 222 is located at the end, one end towards second mouth of a river 12 of body 221, and the size of block head 222 is greater than the size at second mouth of a river 12, thus can be so that open or close second mouth of a river 12.Alternatively, the cross section of block head 222 can be circle or polygonal.
Alternatively, as shown in Figure 3, body 221 away from adjacent end place on one end of block head 222, there is the circumferential groove in its end portion 2211 radially inwardly concaving along it, the first end of inside letting out spring 23 is contained in circumferential groove in its end portion 2211, on turnover disc 21, have groove 211, the second end of letting out spring 23 in is wherein contained in groove 211.Preferably, inside let out the internal diameter of spring 23 from its first end to the second end and increase gradually, as shown in Figure 3.
Preferably, inside let out body 221 and the block head 222 of pin 22 one-body molded.Alternatively, inside let out pin 22 for metalwork or rubber parts.
According to embodiments more of the present utility model, turnover disc 21, in let out pin 22 and in the seal 24 of divulging a secret be antiscale material pieces, can reduce thus the dust and dirt of safety valve 100 inside as far as possible and pile up.Further, housing 1 also comprises clean mouthful 13, and clean mouthful 13 places are removably provided with capping 4, so that the dust and dirt in the chamber 10 of maintenance and cleaning housing 1 inside.For example, in the example shown in Fig. 2-Fig. 5, clean mouth 13 is positioned at the right side of housing 1.In another example of the present utility model, safety valve 100 can axial-rotation 180 degree install, i.e. clean mouthful 13 left side that is positioned at housing 1, as shown in Figure 6, the direction of now intaking also below.Certainly, the present invention is not limited to this, in other embodiment of the present invention, as shown in Figure 7, water inlet direction is on right side, and safety valve 100 is half-twist installation counterclockwise on the basis of the embodiment shown in Fig. 2-Fig. 5, or as shown in Figure 8, water inlet direction is in left side, the now safety valve 90 ° of installations that turn clockwise.
According to the utility model embodiment's safety valve 100, as long as can offsetting the own wt of upset assembly, intake pressure can realize water inlet, realized the break-make of safety valve when compared with low pressure or super-low voltage water inlet, and also simple in structure.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " 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 feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a safety valve, is characterized in that, comprising:
Housing, has chamber in described housing, and described chamber has first mouth of a river and second mouth of a river; And
Upset assembly, described upset assembly by rotatingshaft turning be located in described chamber to open or close described second mouth of a river.
2. safety valve according to claim 1, is characterized in that, described upset assembly comprises:
Turnover disc, one end of described turnover disc is pivotable is connected to described rotatingshaft;
Inside let out pin, let out in described pin along described turnover disc axially movably through described turnover disc, the end, one end towards described second mouth of a river of letting out pin in described is suitable for shutoff or opens described second mouth of a river; And
Inside let out spring, let out spring in described and be located in described and let out between pin and described turnover disc.
3. safety valve according to claim 2, is characterized in that, lets out pin in described to comprise:
Body, described body is through described turnover disc;
Block head, described block head be located at described body towards the end, one end at described second mouth of a river, and the size of described block head is greater than the size at described second mouth of a river.
4. safety valve according to claim 3, is characterized in that, described upset assembly also comprises:
The seal of inside divulging a secret, described interior leakage seal snare is located in described and lets out on the body of pin, and between described turnover disc and described block head.
5. safety valve according to claim 4, is characterized in that, described body and the described block head of letting out pin in described are one-body molded.
6. safety valve according to claim 5, is characterized in that, letting out pin in described is metalwork or rubber parts.
7. safety valve according to claim 4, is characterized in that, described turnover disc, let out in described pin and described in the seal of divulging a secret be antiscale material pieces.
8. safety valve according to claim 3, is characterized in that, described body away from adjacent end place on one end of described block head, there is the circumferential groove in its end portion radially inwardly concaving along it, the first end of letting out spring in described is contained in described circumferential groove in its end portion;
On described turnover disc, have groove, the second end of letting out spring in wherein said is contained in described groove.
9. safety valve according to claim 8, is characterized in that, lets out the internal diameter of spring from its first end to the second end in described to increase gradually.
10. according to the safety valve described in any one in claim 1-9, it is characterized in that, described housing also comprises clean mouthful, and described clean mouthful of place is removably provided with capping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112652.XU CN203770769U (en) | 2014-03-12 | 2014-03-12 | Safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112652.XU CN203770769U (en) | 2014-03-12 | 2014-03-12 | Safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770769U true CN203770769U (en) | 2014-08-13 |
Family
ID=51287960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112652.XU Expired - Lifetime CN203770769U (en) | 2014-03-12 | 2014-03-12 | Safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302229A (en) * | 2018-03-22 | 2018-07-20 | 芜湖美的厨卫电器制造有限公司 | Safety valve and water heater |
-
2014
- 2014-03-12 CN CN201420112652.XU patent/CN203770769U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302229A (en) * | 2018-03-22 | 2018-07-20 | 芜湖美的厨卫电器制造有限公司 | Safety valve and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221223 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong. Patentee before: MIDEA GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |