CN206055936U - A kind of frost-cracking-preventing heater - Google Patents
A kind of frost-cracking-preventing heater Download PDFInfo
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- CN206055936U CN206055936U CN201621098726.4U CN201621098726U CN206055936U CN 206055936 U CN206055936 U CN 206055936U CN 201621098726 U CN201621098726 U CN 201621098726U CN 206055936 U CN206055936 U CN 206055936U
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Abstract
This utility model is related to a kind of frost-cracking-preventing heater, including the housing with heating chamber, heating element heater in the heating chamber, the water inlet connected with the heating chamber and outlet, also include a dilatation chamber connected with the heating chamber, the dilatation chamber is connected by valve port with the heating chamber, the dilatation intracavity is movably equipped with for opening or sealing the valve element of the valve port, one elastic component applies elastic force makes the seal spool close the valve port in the valve element, the dilatation chamber is connected with the external world by a through hole, frost-cracking-preventing heater of the present utility model is applicable not only to the low environment of hydraulic pressure, it is also applied for the high environment of hydraulic pressure, its frost-cracking-preventing function is not affected by hydraulic pressure height, it is applied widely, structure reliability.
Description
Technical field
This utility model is related to a kind of frost-cracking-preventing heater.
Background technology
Existing Instant heating type heater is mostly without frost-cracking-preventing structure, or has frost-cracking-preventing structure to be also in heating tube two mostly
End adopts hollow pipe made by elastomeric material using gum elastic or in the middle of the heating tube, make during by water freezing gum elastic or
Elastic hollow tubular elastic deforms to prevent heater bursting by freezing, and such as Chinese utility model patent Publication No. CN204385839U, institute is public
A kind of anti-freezing structure opened.But, above-mentioned setting at heating tube two ends set in the middle of gum elastic or heating tube the antifreeze of elastic hollow pipe
Structure is split, normally only suitable for the situation that hydraulic pressure is relatively low, and in the case where hydraulic pressure is higher, gum elastic or flexible hollow pipe
Easily back pressure deformation, when there is bursting by freezing under back pressure deformation, frost-cracking-preventing structure does not have protective effect, furthermore long-term back pressure
Under, rubber is susceptible to permanent compression set, and frost-cracking-preventing structure easily fails, and frost-cracking-preventing function is unreliable.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of frost-cracking-preventing function not receiving hydraulic pressure height
Affect, applied widely, the reliable frost-cracking-preventing heater of structure, which is applicable not only to the low environment of hydraulic pressure, is also applied for water
The high environment of pressure.
To reach above-mentioned purpose, the technical solution of the utility model is：A kind of frost-cracking-preventing heater, including with heating chamber
Housing, the water inlet that connects with the heating chamber of the heating element heater in the heating chamber and outlet, also including one with
The dilatation chamber of the heating chamber connection, the dilatation chamber are connected by valve port with the heating chamber, and the dilatation intracavity activity sets
Have for opening or sealing the valve element of the valve port, an elastic component applies elastic force makes the seal spool closing institute in the valve element
Valve port is stated, the dilatation chamber is connected with the external world by a through hole.
Preferably, the dilatation chamber is also connected with the external world by a pressure relief opening, and the valve element is lived in the dilatation intracavity
The pressure relief opening can be opened and closed when dynamic.
Preferably, the dilatation chamber is located at one end of the heater housings, and a valve gap is fastened on the end of the housing,
The dilatation chamber, valve element activity between the valve port and the valve gap are formed between the valve port and the valve gap.
Preferably, valve gap and the valve element described in the two ends difference contact of the elastic component.
Preferably, the elastic component is stage clip, and the valve gap is provided with spring guide pillar, and the valve element is provided with spring installation
Groove, the two ends of the stage clip are respectively sleeved in the spring guide pillar and the spring mounting groove.
Preferably, the valve port and the through hole are arranged on the relative both sides in the dilatation chamber, the valve element
Between the valve port and the through hole, activity, is provided with sealing member, the valve between the valve element and the inwall in the dilatation chamber
Core is coordinated with the dilatation cavity wall air-tight movable by the sealing member.
Preferably, the valve element includes separation membrane made by a soft elastic material and valve block made by a hard material,
The border of the separation membrane and the housing seal secure fit, and the dilatation chamber is divided into and mutually not connecting by the separation membrane
An inner chamber and an exocoel, the valve port is located at the inner chamber, and the through hole is located at the exocoel, and the elastic component applies elastic force
The valve block is made to drive valve port described in the separation film phonograph seal in the valve block.
Preferably, the pressure relief opening and the through hole are arranged on the side wall in the dilatation chamber, and the pressure relief opening and
The through hole is connected.
Preferably, the pressure relief opening is on the dilatation chamber side wall near the valve port.
Preferably, the valve element and/or the dilatation cavity wall are provided with and the valve element are lived along the dilatation cavity wall
The dynamic guide part being oriented to.
Using above-mentioned technical proposal, this utility model has the advantages that：
This utility model arranges a dilatation chamber connected with heating chamber on the heaters, dilatation intracavity be movably equipped with for
The valve element of valve port is opened or seals, also setting elastic component applying elastic force makes seal spool close valve port, and dilatation chamber in valve element
It is connected with the external world by a through hole, so, when water volumetric expansion because of icing of intracavity is heated, valve element is expanded by ice
Power and open the valve port so that dilatation chamber can accommodate in heating chamber the outwards ice of dilation, and then avoid heating
Device is by bursting by freezing；When ice is moved back, in the presence of elastic component, valve element will reseal close port, be that next frost-cracking-preventing is prepared.
The frost-cracking-preventing function of this utility model frost-cracking-preventing heater is not affected by hydraulic pressure height, applied widely, structure reliability, its
The low environment of hydraulic pressure is applicable not only to, it is also applied for the high environment of hydraulic pressure, and its frost-cracking-preventing function is effective for a long time, it is to avoid the back of the body
The gum elastic of scape technology frost-cracking-preventing structure is susceptible to permanent compression set and causes the problem of frost-cracking-preventing disabler.Separately
Outward, the effect of pressure release when pressure relief opening can also realize high hydraulic pressure is set on dilatation chamber so that frost-cracking-preventing structure also has pressure release work(concurrently
Can, and by pressure relief opening on the dilatation chamber side wall near valve port, it is ensured that pressure release in time, function are more reliable.
Description of the drawings
Sectional views of the Fig. 1 for the frost-cracking-preventing heater of this utility model embodiment one；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is in sectional view when not freezing for the frost-cracking-preventing heater of this utility model embodiment one；
Fig. 4 is in sectional view when freezing for the frost-cracking-preventing heater of this utility model embodiment one；
Sectional views of the Fig. 5 for the frost-cracking-preventing heater of this utility model embodiment two；
Fig. 6 is the enlarged drawing of B in Fig. 5；
Sectional views of the Fig. 7 for the frost-cracking-preventing heater of this utility model embodiment three；
Fig. 8 is the enlarged drawing of C in Fig. 7.
Specific embodiment
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below in conjunction with the accompanying drawings this utility model is entered
The explanation of one step, drawings in the following description are only some embodiments of the present utility model, for ordinary skill people
For member, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Embodiment one：
As shown in Figures 1 to 4, a kind of frost-cracking-preventing heater of the present utility model, including the housing 10 with heating chamber 11,
Heating element heater 20, the water inlet 12 connected with heating chamber 11 and outlet 13 in heating chamber 11, water are entered from water inlet 12
Enter and flow out from outlet 13 after the heating element heater 20 in heating chamber 11 is heated.Frost-cracking-preventing heater is also including one and heating
The dilatation chamber 30 of the connection of chamber 11, dilatation chamber 30 are connected by valve port 14 with heating chamber 11, are movably equipped with for beating in dilatation chamber 30
The valve element 40 of valve port 14 is opened or seals, an elastic component 50 applies elastic force makes the sealing closing valve port 14 of valve element 40, this reality in valve element 40
Apply and between the valve element 40 of example and valve port 14, be provided with gasket seal 42, dilatation chamber 30 is connected with the external world by a through hole 31.When plus
Because of icing during volumetric expansion, valve element 40 is subject to the expansive force of ice and opens valve port 14 water in hot chamber 11, so that dilatation
Chamber 30 can accommodate the ice of outside dilation in heating chamber 11, and then avoid heater by bursting by freezing, when ice is moved back, in elastic component
In the presence of 50, valve element 40 will reseal close port 14, be that next frost-cracking-preventing is prepared.
In the present embodiment, dilatation chamber 30 is also connected with the external world by a pressure relief opening 32, and valve element 40 is living in dilatation chamber 30
Pressure relief opening 32 can be opened and closed when dynamic, by arrange pressure relief opening 32 can so that heater under high hydraulic pressure environment can releasing pressure automatically, so as to
Frost-cracking-preventing structure also has decompression function concurrently, greatly strengthens the protection to heater.
Used as a kind of preferred embodiment, dilatation chamber 30 is fastened on located at one end of heater housings 10, a valve gap 15
The end of housing 10, forms dilatation chamber 30, the activity between valve port 14 and valve gap 15 of valve element 40 between valve port 14 and valve gap 15.Bullet
Property part 50 be preferably disposed in dilatation chamber 30, and its two ends preferably respectively contact valve gap 15 and valve element 40.
The elastic component 50 of the present embodiment can adopt spring or shell fragment etc., adopt spring or shell fragment for valve element 40 and provide elastic force,
The problem that rubber or softer, elastic part in background technology can be avoided easily to produce back pressure deformation or fail because long-term pressurized.This reality
The elastic component 50 of example is applied preferably using stage clip, in order to preferably fix stage clip, valve gap 15 is provided with spring guide pillar 151, valve element 40
Spring mounting groove 41 is provided with, the two ends of stage clip are respectively sleeved in spring guide pillar 151 and spring mounting groove 41；Or, on valve gap 15
Spring mounting groove is provided with, and valve element 40 is provided with spring guide pillar, it is also feasible, and effect equivalent so to install stage clip.
Easy to understand, elastic component 50 can also select to adopt extension spring（It is not shown）, now, extension spring is not located at dilatation chamber 30
It is interior, but by one end of extension spring connection valve element 40, the fixed component in other end connection heating chamber 11, be such as connected to located at plus
Fixed block on 11 inwall of hot chamber, so when valve element 40 opens valve port 14, extension spring is stretched, when valve element 40 loses hydraulic pressure or ice
Expansive force when, extension spring pull 40 close port 14 of valve element, so can also realize elastic component 50 apply elastic force make valve in valve element 40
The purpose of the sealing closing valve port 14 of core 40.
In the present embodiment, valve port 14 and through hole 31 are arranged on the relative both sides in dilatation chamber 30, and valve element 40 is in valve
Activity between mouth 14 and through hole 31, is provided with sealing member 60 between valve element 40 and the inwall in dilatation chamber 30, valve element 40 passes through sealing member
60 with 30 inner wall sealing clearance fit of dilatation chamber, specifically, the sealing member 60 of the present embodiment is to be set on 40 outer wall of valve element
Sealing ring.
In order that valve element 40 smooth can be slided in dilatation chamber 30 freely, valve element 40 is provided with to valve element 40 along dilatation
The guide part 43 is oriented to by 30 inwall activity of chamber, the present embodiment, guide part 43 are toward away from valve port 14 at 40 border of valve element
The side wall that direction extends, guide part 43 are mutually oriented to cooperation with 30 inwall of dilatation chamber；Certainly, it is readily appreciated that, guide part
Can be alternatively provided on the inwall in dilatation chamber 30, or, guide part is designed with the inwall and valve element 40 in dilatation chamber 30.
Additionally, in order that pressure relief opening 32 can pressure release in time, pressure relief opening 32 is preferably disposed to the dilatation chamber 30 near valve port 14
On the wall of side, so, when high hydraulic pressure causes valve port 14 to be just opened, just pressure release can be carried out to heating chamber 11 in time.
In addition, it is noted that in order that between valve element 40 and valve port 14 sealing effectiveness more preferably, valve element 40 and valve port
Do not adopt sealing gasket 42 to seal between 14, but more preferably sealed using sealing ring, sealing ring can be located at valve element 40
On, the face that valve port 14 is coordinated with sealing ring is set to into inclined-plane, so as to form radial seal, radial seal effect ratio between
The end face seal effect that sealing gasket 42 is formed more preferably, can be also substantially reduced to the machining accuracy of part, it is of course also possible to be sealing
The face that valve element 40 is coordinated with sealing ring is set to inclined-plane on valve port 14 by circle, and effect is equivalent.
The concrete operating principle of the present embodiment is summarized as follows：
As shown in figure 3, Fig. 3 depicts the frost-cracking-preventing heater of the present embodiment in sectional view when not freezing, do not freeze
When, 50 top pressure valve element 40 of elastic component is passed to the sealing close port 14 of gasket seal 42, and now, water is entered simultaneously from water inlet 12
Flow out from outlet 13 after the heating element heater 20 in heating chamber 11 is heated, heater normal work.As dilatation chamber 30 leads to
Cross through hole 31 to be in communication with the outside, therefore no pressure in dilatation chamber 30, the expansion that valve element 40 can be acted on or be frozen in the pressure of high hydraulic pressure
Overcome the elastic force of elastic component 50 movable in dilatation chamber 30 toward the direction for opening valve port 14 under power effect.
As shown in figure 4, Fig. 4 depicts the frost-cracking-preventing heater of the present embodiment in sectional view when freezing, during icing, let out
Pressure mouth 32 it is frozen first and cannot pressure release, the elastic force of the expansive force of the ice that valve element 40 is subject to more than elastic component 50, so as to valve element
40 open valve port 14 so that because the part ice that heating chamber 11 is overflowed in volumetric expansion can be accommodated by dilatation chamber 30, so as to avoid
Heater is by bursting by freezing, and when ice is moved back, valve element 40 loses the expansive force of ice, under the elastic force effect of elastic component 50,40 weight of valve element
Novel sealing close port 14, is that next frost-cracking-preventing is prepared, it can be seen that, this utility model avoid background technology hydraulic pressure compared with
In the case of height or because, under long-term back pressure, gum elastic or flexible hollow pipe easily cause frost-cracking-preventing function to lose because of deformation
The problem of effect, frost-cracking-preventing function of the present utility model are more reliable.
Embodiment two：
As shown in Figure 5 and Figure 6, the present embodiment with the difference of embodiment one is, the valve element 40 and dilatation chamber 30 of the present embodiment
Inwall between be not provided with sealing member 60, that is, between the inwall in valve element 40 and dilatation chamber 30 not sealing be slidably matched, its
Therebetween there is certain interval.The pressure relief opening 32 and through hole 31 of the present embodiment is arranged on the side wall in dilatation chamber 30, and is let out
Pressure mouth 32 is connected with through hole 31, so, as the pressure relief opening 32 that is connected on dilatation chamber 30 and through hole 31 are all in communication with the outside,
Therefore, during the sealing close port 14 of valve element 40, the water in dilatation chamber 30 can be discharged from pressure relief opening 32, so as to ensure in dilatation chamber 30
Act on valve element 40, so, during icing without hydraulic pressure, when the expansive force of the ice suffered by valve element 40 is more than the elastic force of elastic component 50
When, valve element 40 can smooth opening valve port 14 so that because of expansion, excessive ice out can be temporarily stored in dilatation chamber 30, and then
Avoid heater bursting by freezing.
Remaining structure for not illustrating of the present embodiment and principle are identical with embodiment one, repeat no more here.
Embodiment three：
As shown in Figure 7 and Figure 8, the present embodiment with the difference of embodiment one is, the valve element 40 and dilatation chamber 30 of the present embodiment
Inwall between not sealing be slidably matched.The valve element 40 of the present embodiment includes separation membrane 44 made by a soft elastic material
With valve block 45 made by a hard material, border and the housing 10 of separation membrane 44 are fixed with sealing, and separation membrane 44 will expand
30 points of cavity volume is a mutual disconnected inner chamber and an exocoel, and valve port 14 is located at inner chamber, and through hole 31 is located at exocoel, and elastic component 50 applies
Elastic force makes valve block 45 drive the sealing valve port 14 of separation membrane 44 in valve block 45.Embodiment one is compared, the separation of elastically deformable is set
The effect of film 44 is：When freezing, it is 40 side wall of valve element, 30 inwall of dilatation chamber and sealing member 60 in embodiment one（Sealing ring）
The region for surrounding can accommodate expansion ice out, and as 40 side wall of valve element and 30 inwall of dilatation chamber are rigid structure and cause this
The volume in region is a fixed value when the opening valve port 14 of valve element 40 is maximum, it is impossible to further expand volume by deformation（Here,
It should be noted that even if volume could not further be expanded by deformation, the expansion ratio build-up ice due to water less, the present embodiment
The volume for designing as needed also accommodates the ice for expanding out enough completely）, and in the present embodiment, it is separation membrane 44 and dilatation chamber
The region that 30 inwalls are surrounded can accommodate expansion ice out, due to 44 elastically deformable of separation membrane, so that the appearance in the region
Product further can expand, and such carrying capacity is higher.
Remaining structure for not illustrating of the present embodiment and principle are identical with embodiment one, repeat no more here.
Although specifically showing and describing this utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope of the present utility model limited without departing from appended claims, in form and details
On this utility model is made a variety of changes, be protection domain of the present utility model.
Claims (10)
1. a kind of frost-cracking-preventing heater, including the housing with heating chamber, the heating element heater in the heating chamber and described
The water inlet and outlet of heating chamber connection, it is characterised in that also including a dilatation chamber connected with the heating chamber, the expansion
Cavity volume is connected by valve port with the heating chamber, and the dilatation intracavity is movably equipped with for opening or sealing the valve of the valve port
Core, an elastic component applies elastic force makes the seal spool close the valve port in the valve element, and the dilatation chamber passes through a through hole
It is connected with the external world.
2. a kind of frost-cracking-preventing heater as claimed in claim 1, it is characterised in that the dilatation chamber also by a pressure relief opening with
The external world is connected, and the valve element can be opened and closed the pressure relief opening in dilatation intracavity activity.
3. a kind of frost-cracking-preventing heater as claimed in claim 1, it is characterised in that the dilatation chamber is located at the heater case
One end of body, a valve gap are fastened on the end of the housing, and the dilatation chamber is formed between the valve port and the valve gap, described
Valve element activity between the valve port and the valve gap.
4. a kind of frost-cracking-preventing heater that such as claim 3 is stated, it is characterised in that described in the two ends difference contact of the elastic component
Valve gap and the valve element.
5. a kind of frost-cracking-preventing heater as claimed in claim 4, it is characterised in that the elastic component is stage clip, the valve gap
Spring guide pillar is provided with valve element alternative one, the another of both the valve gap and valve element is provided with spring mounting groove, the pressure
The two ends of spring are respectively sleeved in the spring guide pillar and the spring mounting groove.
6. a kind of frost-cracking-preventing heater as claimed in claim 1, it is characterised in that the valve port and the through hole are respectively arranged
On the relative both sides in the dilatation chamber, the valve element activity, the valve element and institute between the valve port and the through hole
Sealing member is provided between the inwall for stating dilatation chamber, the valve element is matched somebody with somebody with the dilatation cavity wall air-tight movable by the sealing member
Close.
7. a kind of frost-cracking-preventing heater as claimed in claim 1, it is characterised in that the valve element includes a soft elastic material
Made by separation membrane and valve block made by a hard material, the border of the separation membrane and the housing seal secure fit, and
And the dilatation chamber is divided into a mutual disconnected inner chamber and an exocoel by the separation membrane, the valve port is located at the inner chamber, institute
Through hole is stated positioned at the exocoel, the elastic component applies elastic force makes the valve block drive the separation film phonograph seal institute in the valve block
State valve port.
8. a kind of frost-cracking-preventing heater as claimed in claim 2, it is characterised in that the pressure relief opening and the through hole are arranged in
On the side wall in the dilatation chamber, and the pressure relief opening is connected with the through hole.
9. a kind of frost-cracking-preventing heater as described in claim 2 or 8, it is characterised in that the pressure relief opening is located at the valve port
On neighbouring dilatation chamber side wall.
10. a kind of frost-cracking-preventing heater as described in any one of claim 1 to 8, it is characterised in that the valve element and/or institute
State dilatation cavity wall and be provided with the guide part being oriented to along the dilatation cavity wall activity to the valve element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098726.4U CN206055936U (en) | 2016-10-08 | 2016-10-08 | A kind of frost-cracking-preventing heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098726.4U CN206055936U (en) | 2016-10-08 | 2016-10-08 | A kind of frost-cracking-preventing heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206055936U true CN206055936U (en) | 2017-03-29 |
Family
ID=58366691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621098726.4U Active CN206055936U (en) | 2016-10-08 | 2016-10-08 | A kind of frost-cracking-preventing heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206055936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741088A (en) * | 2017-10-17 | 2018-02-27 | 上海科勒电子科技有限公司 | A kind of heater |
| CN107842994A (en) * | 2017-12-05 | 2018-03-27 | 佛山市法恩洁具有限公司 | A kind of antifreeze heater |
-
2016
- 2016-10-08 CN CN201621098726.4U patent/CN206055936U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741088A (en) * | 2017-10-17 | 2018-02-27 | 上海科勒电子科技有限公司 | A kind of heater |
| CN107741088B (en) * | 2017-10-17 | 2020-01-03 | 上海科勒电子科技有限公司 | Heating device |
| CN107842994A (en) * | 2017-12-05 | 2018-03-27 | 佛山市法恩洁具有限公司 | A kind of antifreeze heater |
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