CN205745501U - A kind of electric heater blowoff valve - Google Patents
A kind of electric heater blowoff valve Download PDFInfo
- Publication number
- CN205745501U CN205745501U CN201620675473.6U CN201620675473U CN205745501U CN 205745501 U CN205745501 U CN 205745501U CN 201620675473 U CN201620675473 U CN 201620675473U CN 205745501 U CN205745501 U CN 205745501U
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- Prior art keywords
- relief
- valve
- electric heater
- sealing member
- blowoff valve
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Abstract
This utility model relates to a kind of electric heater blowoff valve, including valve body, runs through and have pipelined channel in valve body；Described valve body is provided with safety relief chamber, and safety relief intracavity is provided with safe pressure relief device, and it includes sealing member and elastic device；Additionally, be additionally provided with the relief hole of connection pipelined channel and safety relief chamber on valve body, and connect safety relief chamber and extraneous osculum；Described elastic device elastic reaction sealing member closes relief hole.Blowoff valve arranges safe pressure relief device, and the vent pressure of this safe pressure relief device is more than the vent pressure of water inlet relief valve assembly, when relief valve assembly of intaking lost efficacy, inner liner pressure continues to rise, at this moment the safe pressure relief device on blowoff valve can be opened and carry out pressure release, thus avoids the generation of inner bag bursting accident.
Description
Technical field
This utility model relates to a kind of electric heater technical field, specifically a kind of electric heater blowoff valve.
Background technology
Existing storage-type electric water heater, general water inlet is equipped with a relief valve, the pressure release when hydraulic pressure superpressure, water
Pressing through height will cause inner bag to damage, even the explosion crisis person and property safety.But due to electric heater only one of which safety
Valve, and existing relief valve is mostly internal discharging type structure, when, after life-time service, being easily deposited on inside relief valve due to incrustation scale
Pressure release is caused to lose efficacy.
Chinese patent literature CN203847744U discloses a kind of electric heater and blowdown thereof on the 24th in JIUYUE in 2014
Valve, specifically discloses and includes that valve chest, spool and knob, described valve chest have the spool mated with described spool and accommodate chamber,
And accommodate, with described spool, water inlet interface, water outlet mouthpiece and the spool mounting interface that chamber connects respectively；The first of described spool
End is plugged in described spool and accommodates in chamber, and the second end of described spool is positioned in described spool mounting interface, the footpath of described spool
Aquaporin is crossed for described water inlet interface and water outlet mouthpiece are turned on to being provided with；Described knob is solid with the second end of described spool
Fixed connection, drives described spool to rotate in described spool accommodates chamber by knob described in turn, crosses aquaporin so that described
Two ends connect with described water inlet interface and described water outlet mouthpiece para-position or misplace respectively disconnection.When, after life-time service, incrustation scale holds
Easily cause blowoff valve pressure release to lose efficacy, there is very big potential safety hazard.
For this, reliability of electric heater pressure release is required further improvement.
Summary of the invention
The purpose of this utility model is the deficiency overcoming above-mentioned prior art to exist, and provides a kind of and design simple, knot
Structure is reasonable, safe and reliable, the electric heater blowoff valve of low cost of manufacture.
The purpose of this utility model is achieved in that
A kind of electric heater blowoff valve, including valve body, runs through in valve body and has pipelined channel；It is characterized in that: described valve
Body is provided with safety relief chamber, and safety relief intracavity is provided with safe pressure relief device, and it includes sealing member and elastic device；This
Outward, valve body is additionally provided with the relief hole of connection pipelined channel and safety relief chamber, and connects safety relief chamber and extraneous draining
Hole；Described elastic device elastic reaction sealing member closes relief hole.
A described safety relief chamber at least side opening, and opening part is closed with plug, elastic device one end acts on plug
On, the other end acts on sealing member.
The shape of sealing member can have a below scheme:
Scheme one: described sealing member is blocks, its area of plane is at least above relief hole, and coordinates closing relief hole.
Scheme two: described sealing member is provided with for coordinating the pyramidal structure closing relief hole.Close in order to improve further
Feng Xing, can increase following structure: described relief hole correspondence pyramidal structure is provided with matched conical indentation accordingly.
Scheme three: described sealing member is provided with for coordinating the spherical structure closing relief hole.Close in order to improve further
Feng Xing, can increase following structure: described relief hole correspondence spherical structure is provided with matched bulb-shaped recess accordingly.
In order to make the connectivity between elastic device and sealing member more preferable, described sealing member is provided with cylinder, elastic device
One end is socketed on cylinder.
Described elastic device is spring, and safe pressure relief device is arranged at the water outlet side of pipelined channel.
The influent side of described pipelined channel is provided with into water relief valve assembly, and it includes spool, is respectively arranged on spool
The upper valve base of lower end and lower valve base, through the valve rod of valve body effect spool and couple the handle of valve rod.
The beneficial effects of the utility model are as follows:
Blowoff valve arranges safe pressure relief device, and the vent pressure of this safe pressure relief device is more than water inlet relief valve group
The vent pressure of part, when relief valve assembly of intaking lost efficacy, inner liner pressure continues to rise, the at this moment dress of the safety relief on blowoff valve
Put to open and carry out pressure release, thus avoid the generation of inner bag bursting accident.
Accompanying drawing explanation
Fig. 1 is the installation diagram of this utility model first embodiment.
Fig. 2 is the sectional view of this utility model first embodiment.
Fig. 3 is the use installation diagram of this utility model first embodiment.
Fig. 4 is the sectional view of this utility model the second embodiment.
Fig. 5 is the structural representation of sealing member in this utility model the second embodiment.
Fig. 6 is the structural representation of sealing member in this utility model the 3rd embodiment.
Fig. 7 is the sectional view of this utility model the 3rd embodiment.
In figure: 1 is plug, 2 is elastic device, and 3 is diaphragm seal, and 4 is relief hole, and 5 is osculum, and 6 is water inlet, and 7 are
Valve body, 8 is upper valve base, and 9 is spool, and 10 is valve rod, and 11 is screw, and 12 is handle, and 13 is lower valve base, and 14 is clamp nut, 15
For sewage draining exit.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
First embodiment
Seeing Fig. 1-Fig. 3, this electric heater blowoff valve A is assemblied on storage-type electric water heater, and it includes valve body 7, valve
Running through in body 7 and have pipelined channel 701, its top is outlet 6, and bottom is water inlet 15；Described valve body 7 sidewall is provided with safety
Pressure-releasing chamber 702, is provided with safe pressure relief device in safety relief chamber 702, and it includes sealing member 3 and elastic device 2(the present embodiment
It is preferably spring, certainly can also be used with the structures such as conventional shell fragment and substitute)；Additionally, be additionally provided with connection pipelined channel 701 on valve body 7
With the relief hole 4 in safety relief chamber 702, and connection safety relief chamber 702 and extraneous osculum 5；Described spring 2 elastic reaction
Sealing member 3 closes relief hole 4.When the hydraulic pressure in pipelined channel 701 exceedes the pressure release value of spring 2, sealing member 3 is opened, water from
Relief hole 4 flows into pressure-releasing chamber 702, then flows out through osculum 5, thus reduces the pressure in inner bag, it is to avoid inner bag bursts；Work as hydraulic pressure
During less than the pressure release value of spring 2, sealing member 2 closes relief hole 4, and water will not flow into pressure-releasing chamber 702 from relief hole 4.
Further, described safety relief chamber 702 outer openings, and opening part is closed with plug 1, spring 2 one end acts on
On plug 1, the other end acts on sealing member 3.During installation, successively sealing member 3 and spring 2 are inserted in pressure-releasing chamber 702,
Rear embedding plug 1；Under original state, spring 2 is in compressive state.
Further, described sealing member 3 is blocks, and its area of plane is at least above relief hole 4, and coordinates closing pressure release
Hole 4.
Further, in order to make the connectivity between spring and sealing member more preferable, described sealing member 3 is provided with cylinder 303,
Spring 2 one end is socketed on cylinder 303.
Further, described safe pressure relief device is arranged at the water outlet side of pipelined channel 701.
Further, the influent side of described pipelined channel 701 is provided with into water relief valve assembly, and it includes spool 9, difference
It is arranged at upper valve base 8 and the lower valve base 13 of spool 9 upper and lower side, acts on the valve rod 10 of spool 9 through valve body 7 and couple valve rod 10
Handle 12.Spool 9, upper valve base 8 and lower valve base 13 are entirely through the fixing assembling of clamp nut 14, logical in clamp nut 14, and
Sidewall is spirally connected with valve body 7；Handle 12 is fixed in valve rod 10 end by screw 11.
Second embodiment
Seeing Fig. 4 and Fig. 5, this electric heater blowoff valve, it is in place of being different from first embodiment: described sealing member
3 are provided with for coordinating the pyramidal structure 301 closing relief hole 4.In order to improve sealing further, can increase accordingly below
Structure: the corresponding pyramidal structure 301 of described relief hole 4 is provided with matched conical indentation 401.
Other same first embodiments of not described part, the most no longer analytic explanation.
3rd embodiment
Seeing Fig. 6 and Fig. 7, this electric heater blowoff valve, it is in place of being different from first embodiment: described sealing member
3 are provided with for coordinating the spherical structure 302 closing relief hole 4.In order to improve sealing further, can increase accordingly below
Structure: the corresponding spherical structure 302 of described relief hole 4 is provided with matched bulb-shaped recess 402.
Other same first embodiments of not described part, the most no longer analytic explanation.
Above-mentioned for preferred version of the present utility model, of the present utility model ultimate principle, principal character have been shown and described
With advantage of the present utility model.Those skilled in the art it should be recognized that this utility model is not restricted to the described embodiments, on
State and principle of the present utility model is simply described, without departing from this utility model spirit and scope described in embodiment and description
On the premise of this utility model also have various changes and modifications, it is new that these changes and improvements both fall within this claimed practicality
In the range of type.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (10)
1. an electric heater blowoff valve, including valve body (7), runs through in valve body (7) and has pipelined channel (701)；Its feature exists
In: described valve body (7) is provided with safety relief chamber (702), and safety relief chamber is provided with safe pressure relief device in (702), its bag
Include sealing member (3) and elastic device (2)；Additionally, be additionally provided with connection pipelined channel (701) and safety relief chamber on valve body (7)
(702) relief hole (4), and connect safety relief chamber (702) and extraneous osculum (5)；Described elastic device (2) is elastic to be made
Relief hole (4) is closed with sealing member (3).
Electric heater blowoff valve the most according to claim 1, it is characterised in that: described safety relief chamber (702) at least
Side opening, and opening part is closed with plug (1), elastic device (2) one end acts on plug (1), and the other end acts on sealing
On part (3).
Electric heater blowoff valve the most according to claim 1, it is characterised in that: described sealing member (3) is blocks, and it is put down
Face area is at least above relief hole (4), and coordinates closing relief hole (4).
Electric heater blowoff valve the most according to claim 1, it is characterised in that: described sealing member (3) is provided with for joining
Close the pyramidal structure (301) closing relief hole (4).
Electric heater blowoff valve the most according to claim 4, it is characterised in that: the corresponding pyramidal structure of described relief hole (4)
(301) it is provided with matched conical indentation (401).
Electric heater blowoff valve the most according to claim 1, it is characterised in that: described sealing member (3) is provided with for joining
Close the spherical structure (302) closing relief hole (4).
Electric heater blowoff valve the most according to claim 6, it is characterised in that: the corresponding spherical structure of described relief hole (4)
(302) it is provided with matched bulb-shaped recess (402).
8. according to electric heater blowoff valve described in any one of claim 3-7, it is characterised in that: described sealing member sets on (3)
Cylinder (303), elastic device (2) one end is had to be socketed on cylinder (303).
9. according to electric heater blowoff valve described in any one of claim 1-7, it is characterised in that: described elastic device (2) is
Spring, safe pressure relief device is arranged at the water outlet side of pipelined channel (701).
Electric heater blowoff valve the most according to claim 1, it is characterised in that: the influent side of described pipelined channel (701)
Being provided with into water relief valve assembly, it includes spool (9), the upper valve base (8) being respectively arranged at spool (9) upper and lower side and lower valve base
(13), through valve rod (10) and the handle (12) of connection valve rod (10) of valve body (7) effect spool (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675473.6U CN205745501U (en) | 2016-06-28 | 2016-06-28 | A kind of electric heater blowoff valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675473.6U CN205745501U (en) | 2016-06-28 | 2016-06-28 | A kind of electric heater blowoff valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745501U true CN205745501U (en) | 2016-11-30 |
Family
ID=57379429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620675473.6U Active CN205745501U (en) | 2016-06-28 | 2016-06-28 | A kind of electric heater blowoff valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545668A (en) * | 2017-01-18 | 2017-03-29 | 宁波华成阀门有限公司 | A kind of ball valve with relief valve |
| CN107441865A (en) * | 2017-08-29 | 2017-12-08 | 绍兴鑫广科技有限公司 | A kind of industrial waste gas treatment device and processing method |
| CN107940000A (en) * | 2017-11-21 | 2018-04-20 | 张开华 | A kind of automobile specified hydraulic valve preparation method |
-
2016
- 2016-06-28 CN CN201620675473.6U patent/CN205745501U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545668A (en) * | 2017-01-18 | 2017-03-29 | 宁波华成阀门有限公司 | A kind of ball valve with relief valve |
| CN107441865A (en) * | 2017-08-29 | 2017-12-08 | 绍兴鑫广科技有限公司 | A kind of industrial waste gas treatment device and processing method |
| CN107940000A (en) * | 2017-11-21 | 2018-04-20 | 张开华 | A kind of automobile specified hydraulic valve preparation method |
| CN107940000B (en) * | 2017-11-21 | 2019-05-10 | 新昌县澄聚农业科技有限公司 | A kind of automobile specified hydraulic valve preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 528429 West No. 107, Xingpu Road, Huangpu town, Zhongshan, Guangdong Patentee after: Zhongshan Jin Wang Electrical Technology Co., Ltd. Address before: 528429 West No. 107, Xingpu Road, Huangpu town, Zhongshan, Guangdong Patentee before: ZHONGSHAN JINWO HARDWARE ELECTRICAL APPLIANCE CO., LTD. |
|
| CP03 | Change of name, title or address |