CN205807852U - A kind of electric heater - Google Patents
A kind of electric heater Download PDFInfo
- Publication number
- CN205807852U CN205807852U CN201620448762.2U CN201620448762U CN205807852U CN 205807852 U CN205807852 U CN 205807852U CN 201620448762 U CN201620448762 U CN 201620448762U CN 205807852 U CN205807852 U CN 205807852U
- Authority
- CN
- China
- Prior art keywords
- end cap
- service cover
- service
- shell
- electric heater
- 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 - Fee Related
Links
- 239000000463 material Substances 0.000 abstract description 35
- 238000005187 foaming Methods 0.000 abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Central Heating Systems (AREA)
Abstract
The utility model discloses a kind of electric heater, belong to living electric apparatus field, solving expanded material can make end cap, service cover that protruding problem occurs during foaming, the technical scheme solving this problem mainly includes inner bag and shell, and one end of shell is provided with end cap, and described end cap is provided with service ports, service ports is equipped with service cover, service cover projected area on the sagittal plane of shell is S1, and end cap projected area on the sagittal plane of shell is S2,0.1≤S1/S2≤0.8.This utility model is mainly used in electrothermal water heater.
Description
Technical field
This utility model relates to living electric apparatus, particularly a kind of electric heater.
Background technology
Existing electric heater, end cap is the highest with the intensity of service cover, free foaming after expanded material filling, and during foaming, foaming power is bigger and wayward, therefore can make end cap, service cover that projection occurs, reduce product qualified rate.If increasing the operation controlling foaming power together in foaming process, although can prevent end cap, service cover from deforming, improving conforming product rate, but the cost such as human and material resources and time can be increased.
Summary of the invention
The purpose that this utility model is to be reached just is to provide a kind of electric heater, it is not necessary to changes foamed process and can ensure that foaming rear end cap, service cover will not deform, improves product qualified rate.
In order to achieve the above object, this utility model adopts the following technical scheme that a kind of electric heater, including inner bag and shell, one end of shell is provided with end cap, described end cap is provided with service ports, and service ports is equipped with service cover, and service cover projected area on the sagittal plane of shell is S1, end cap projected area on the sagittal plane of shell is S2,0.1≤S1/S2≤0.8.
Further, described S1/S2≤0.5.
Further, described service cover is spherical structure or globoidal structure.
Further, the radius of described service cover is R, 350mm≤R≤700mm.
Further, described end cap is concordant at the edge of service ports and the edge of service cover.
Further, described end cap is provided with heavy stand at the edge of service ports, and service cover is positioned on heavy stand.
Further, described service cover removably connects with end cap.
Further, described service cover is connected with end cap by buckle, screw, and buckle stretches into the inner side of end cap.
Further, described buckle is positioned at the top of service cover, and screw is positioned at the bottom of service cover.
Further, the inner side of described service cover is provided with fixing seat, and fixing seat is provided with temperature controller.
After using technique scheme, this utility model has the advantage that the active force produced in order to ensure expanded material foaming can fully prop up end cap, end cap is made to put in place with shell assembling, it is not result in that the most again end cap deforms, the particularly edge of service ports will not deform, do not interfere with the installation of service cover, so limiting 0.1≤S1/S2≤0.8.Because in expanded material foaming process, service cover is not installed, expanded material only can be applied on end cap promote end cap motion, therefore the contact area of expanded material and end cap has determined how many expanded materials and can be applied on end cap and end cap is produced active force, and the size arranging service ports will determine the contact area of expanded material and end cap, being not necessarily planar structure in view of end cap, hence with end cap and service cover, the projected area relation on the sagittal plane of shell limits the expanded material amount of force to end cap.Owing to S2 size is constant, and the active force that expanded material produces is as what the time tapered into.If S1/S2 is more than 0.8, mean that S1 is bigger, the service ports then needed is bigger, may result in expanded material less with the contact area of end cap, expanded material is applied to end cap active force and will diminish, and elapse over time, end cap possibly cannot be made to put in place with shell assembling in the latter stage of foaming process, cause defect rate to improve.If S1/S2 is less than 0.1, mean that S1 is the least, the service ports then needed is the least, is not only not easy to maintenance, and it is excessive with the contact area of end cap to also result in expanded material, expanded material is applied to end cap active force will become big, end cap with shell assembling put in place after, expanded material still to end cap produce active force, it is possible to cause end cap bulging deformation, probably make service ports deform, cause service cover after installing or installing, larger gap cannot occur.
Accompanying drawing explanation
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of electric heater of this utility model；
Fig. 2 is the partial sectional view () of embodiment illustrated in fig. 1；
Fig. 3 is the partial sectional view (two) of embodiment illustrated in fig. 1；
Fig. 4 is the enlarged drawing in Fig. 3 at I；
Fig. 5 is embodiment illustrated in fig. 1 schematic diagram (section view) at end cap；
Fig. 6 is embodiment illustrated in fig. 1 schematic diagram (side-looking) at end cap；
Fig. 7 is the schematic diagram of service cover in embodiment illustrated in fig. 1；
Fig. 8 is the schematic diagram of another structure of service cover in embodiment illustrated in fig. 1；
Fig. 9 is the schematic diagram () of service cover installation process in embodiment illustrated in fig. 1；
Figure 10 is the schematic diagram (two) of service cover installation process in embodiment illustrated in fig. 1.
Detailed description of the invention
This utility model provides a kind of electric heater, as depicted in figs. 1 and 2, including inner bag 1 and shell 2, it is outside that shell 2 covers on inner bag 1, one end of shell 2 is provided with end cap 3, and end cap 3 is provided with service ports 31, and service ports 31 is equipped with service cover 4, after filling-foam material 9, expanded material 9 carries out free foaming, and end cap 3 can be promoted to move, from Fig. 2, it is exactly to move right, makes end cap 3 coordinate with shell 2 and put in place.The end of inner bag 1 is provided with ring flange 5, on ring flange 5, components and parts are installed, arrange service ports 31 to be contemplated to the components and parts on ring flange 5 are detected, keeped in repair, in order to go out service clearance at shell 2 internal reservation, so placing the back-up ring preventing expanded material 9 from ring flange 5 and service ports 31 being covered around ring flange 5, it is to avoid expanded material 9 enters ring flange 5 and arrives in the region between service ports 31, after having foamed, back-up ring can be taken away, does not illustrates back-up ring in Fig. 2.In this utility model, the end cap 3 of indication refers to move with opposite shell 2 and arrange the end cap 3 of service ports 31.
In conjunction with Fig. 3 and Fig. 4 explanation, the end of shell 2 is provided with aduncate flange 21, can form annular groove 22 between the medial wall of flange 21 and shell 2, the edge of end cap 3 is provided with annular muscle 31, and end cap 3 coordinates with shell 2 to put in place and refers to that annular muscle 31 enters annular groove 22 and works good.And the active force produced in order to ensure expanded material 9 foaming can fully prop up end cap 3, end cap 3 is made to put in place with shell 2 assembling, it is not result in that the most again end cap 3 deforms, the particularly edge of service ports 31 will not deform, do not interfere with the installation of service cover 4, can define the service cover 4 projected area on the sagittal plane of shell 2 is S1, the end cap 3 projected area on the sagittal plane of shell 2 is S2, wherein S2 can cover S1, do not consider the part that service ports 31 lacks, then there is 0.1≤S1/S2≤0.8, such as S1/S2 takes 0.1, 0.12, 0.2, 0.27, 0.3, 0.33, 0.4, 0.45, 0.5, 0.54, 0.6, 0.65, 0.7, 0.76 or 0.8 etc..Needing and installation strength in view of maintenance, S1/S2≤0.5 is optimal.
Because in expanded material 9 foaming process, service cover 4 is not installed, expanded material 9 only can be applied on end cap 3 promote end cap 3 to move, therefore the contact area of expanded material 9 and end cap 3 has determined how many expanded materials 9 and can be applied to produce active force on end cap 3 and to end cap 3, and the size arranging service ports 31 will determine the contact area of expanded material 9 and end cap 3, being not necessarily planar structure in view of end cap 3, hence with end cap 3 and service cover 4, the projected area relation on the sagittal plane of shell 2 limits the expanded material 9 amount of force to end cap 3.Owing to S2 size is constant, and the active force that expanded material 9 produces is as what the time tapered into.If S1/S2 is more than 0.8, mean that S1 is bigger, the service ports 31 then needed is bigger, may result in expanded material 9 less with the contact area of end cap 3, expanded material 9 is applied to end cap 3 active force and will diminish, and elapse over time, end cap 3 possibly cannot be made to put in place with shell 2 assembling in the latter stage of foaming process, cause defect rate to improve.If S1/S2 is less than 0.1, mean that S1 is the least, the service ports 31 then needed is the least, is not only not easy to maintenance, and it is excessive with the contact area of end cap 3 to also result in expanded material 9, expanded material 9 is applied to end cap 3 active force will become big, end cap 3 with put in place with shell 2 assembling after, expanded material 9 still produces active force to end cap 3, it is possible to cause end cap 3 bulging deformation, probably make service ports 31 deform, cause service cover 4 after installing or installing, larger gap cannot occur.
In order to improve the intensity of service cover 4, service cover 4 uses spherical structure, there is the service cover 4 of spherical structure as shown in Figure 5, service cover 4 convex, the edge that can make service cover 4 during installation and maintenance lid 4 is slightly distorted to the centre of sphere of service cover 4, after so installing, service cover 4 will produce pretightning force to the edge of service ports 31, such that it is able to improve the bonding strength of service cover 4 and end cap 3.
Stock size according to current electric heater, the radius of service cover 4 is R, refer to the radius of spherical structure, 350mm≤R≤700mm, such as 350 mm, 380 mm, 400 mm, 430 mm, 470 mm, 500 mm, 550 mm, 600 mm, 640 mm, 690 mm or 700 mm.The area being previously noted service cover 4 has certain range of choice, and R is excessive, and spherical structure can be caused to get in plane, the intensity of service cover 4 increases inconspicuous, and R is too small, then service cover 4 evagination can be caused obvious, the most unsightly, and take exceptional space, be unfavorable for the installation of electric heater.
And the compactness being connected with end cap 3 in order to ensure service cover 4, it is to avoid gap occur, end cap 3 is concordant with the edge of service cover 4 at the edge of service ports 31.As can be seen from Fig. 5, end cap 3 also uses and the spherical structure of service cover 4 same radius, is so possible not only to improve the intensity of end cap 3, and can improve the bonding strength of end cap 3 and service cover 4.After using the end cap 3 of spherical structure, before filling-foam material 9, inner space will be formed between end cap 3 and inner bag 1, after expanded material 9 is filled, can this inner space be carried out foam filled at once, increase the time of expanded material 9 initial stage complete free foaming, improve bubbling efficiency, shorten and fire the time.Free foaming completely refers to the foaming process that need not promote end cap 3 motion.In addition, in the case of inner bag 1 capacity is identical, the Center Length of electric heater is constant, compare the end cap 3 of planar structure, after using the end cap 3 of spherical structure, can form the receiving space of certain depth inside end cap 3, therefore the edge of end cap 3 can the bigger length of the center extension of end cap 3 relatively, thus shorten the length of shell 2, reduce the material cost of shell 2.
Location and installation for the ease of service cover 4, it is to avoid imprudence is firmly the most excessive when installation and maintenance lid 4 causes service cover 4 to fall into shell 2 deep inside being difficult to take out, be provided with heavy stand 32 at end cap 3 at the edge of service ports 31, and service cover 4 is positioned on heavy stand 32.So service cover 4 can arrive on heavy stand 32 when mounted, loads in service ports 31, does not haves and enters shell 2 the deepest internal situation.
See that Fig. 5, the inner side of service cover 4 are provided with fixing seat 41, fixing seat 41 is provided with temperature controller 6.Temperature controller 6 relatively belongs to part is easily lost, and is arranged in service cover 4 by temperature controller 6, along with service cover 4 carries out mounting or dismounting, is conducive to quickly detection to determine whether for temperature controller 6 fault.Temperature controller 6 uses adjusting temperature controller 6, and therefore the outside in service cover 4 is provided with adjusting knob 61, and fixing seat 41 is provided with through hole 42, and adjusting knob 61 is connected with the rotary shaft 62 of temperature controller 6 by through hole 42.Nonadjustable temperature controller can certainly be used.
Keeping in repair for convenience, service cover 4 removably connects with end cap 3, and the mode that concrete dismounting connects has multiple, can be the conventional mode that removably connects, such as screw connect, snap connection with threaded in one or more combination.From the point of view of Fig. 5, Fig. 6 and Fig. 7, service cover 4 is connected with end cap 3 by buckle 43, screw 44, buckle 43 stretches into the inner side of end cap 3, the specifically edge at heavy stand 32 arranges the slot inserted for buckle 43, the counterbore 45 installing screw 44 is set in service cover 4, heavy stand 32 is provided with the screwed hole 34 being connected with screw 44.Specifically buckle 43 is positioned at the top of service cover 4, and screw 44 is positioned at the bottom of service cover 4, because electric heater is typically mounted on wall, position is higher, screw 44 is located at the bottom of service cover 4, it is possible to reduce the height at screw 44 place, it is simple to during maintenance, dismount screw 44.When maintenance, after service cover 4 is dismantled, it is possible to use screw 44 void is screwed on end cap 3 and service cover 4 is hung on end cap 3, make service cover 4 can revolve turnback around screw 44, service ports 31 is come out.Screw 44 is provided only with one, and not only easy disassembly is time-consuming, and beneficially service cover 4 rotates around screw 44 and service ports 31 exposed.Owing to service cover 4 loads in service ports 31, having again screw 44 auxiliary positioning, therefore buckle 43 can use platy structure, it is not necessary to coupler body, is not only easily worked, and it is more convenient to dismount meeting.
From the point of view of Fig. 6 and Fig. 7, service ports 31 and service cover 4 size in the height direction are bigger, size in the horizontal transverse direction is less, edge contour is individual irregularly shaped, and so when installation and maintenance lid 4, identification is higher, easily distinguish which be top which be bottom, and after service cover 4 is installed, will not relatively service ports 31 deflect, stability is also improved.The both sides being positioned at service ports 31 on end cap 3 form the cascaded surface 302 of crescent shape, and not only have levels sense, improve aesthetic measure, and reduce the area of cell surface on end cap 3, reduce surface tension, it is simple to end cap 3 separates depanning with mould.Cell surface refers to the surface surrounded by obvious boundary line, such as, arrange the cascaded surface 302 of 301, two crescent shapes of sphere of service ports 31 and two fusiformis faces 303.The inner and outer surfaces of end cap 3 is formed by multiple cell surfaces.
Except using two buckles 43 shown in Fig. 7, it would however also be possible to employ shown in Fig. 8 a buckle 43, the corresponding width increasing buckle 43, improves bonding strength and stability.
Process specific to installation and maintenance lid 4, see Fig. 9 and Figure 10, first adjust service cover 4 and be in suitable state with service ports 31, the top of service ports 31 will be directed at and inserts slot 33 by buckle 43, then service cover 4 is got togather, make service cover 4 be positioned on heavy stand 32, then tighten screw 44 and can complete to install, convenient pole.
The most in the above-described embodiments, service cover 4 can also use globoidal structure, the arc bus that specifically can be on vertical plane translates formation globoidal structure in the horizontal direction, the arc bus can also being in level vertically translates formation globoidal structure, and the plane at certain arc bus place can also be arbitrary plane.The radius of globoidal structure is identical with the radius of spherical structure.
In addition to above preferred embodiment, this utility model also has other embodiment, those skilled in the art can be variously modified according to this utility model and deform, and without departing from spirit of the present utility model, all should belong to scope defined in this utility model claims.
Claims (10)
1. an electric heater, including inner bag and shell, one end of shell is provided with end cap, it is characterized in that: described end cap is provided with service ports, service ports is equipped with service cover, service cover projected area on the sagittal plane of shell is S1, and end cap projected area on the sagittal plane of shell is S2,0.1≤S1/S2≤0.8.
Electric heater the most according to claim 1, it is characterised in that: described S1/S2≤0.5.
Electric heater the most according to claim 1 and 2, it is characterised in that: described service cover is spherical structure or globoidal structure.
Electric heater the most according to claim 3, it is characterised in that: the radius of described service cover is R, 350mm≤R≤700mm.
Electric heater the most according to claim 3, it is characterised in that: described end cap is concordant at the edge of service ports and the edge of service cover.
Electric heater the most according to claim 1 and 2, it is characterised in that: described end cap is provided with heavy stand at the edge of service ports, and service cover is positioned on heavy stand.
Electric heater the most according to claim 1 and 2, it is characterised in that: described service cover removably connects with end cap.
Electric heater the most according to claim 7, it is characterised in that: described service cover is connected with end cap by buckle, screw, and buckle stretches into the inner side of end cap.
Electric heater the most according to claim 8, it is characterised in that: described buckle is positioned at the top of service cover, and screw is positioned at the bottom of service cover.
Electric heater the most according to claim 1 and 2, it is characterised in that: the inner side of described service cover is provided with fixing seat, and fixing seat is provided with temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620448762.2U CN205807852U (en) | 2016-05-17 | 2016-05-17 | A kind of electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620448762.2U CN205807852U (en) | 2016-05-17 | 2016-05-17 | A kind of electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205807852U true CN205807852U (en) | 2016-12-14 |
Family
ID=57499077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620448762.2U Expired - Fee Related CN205807852U (en) | 2016-05-17 | 2016-05-17 | A kind of electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205807852U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018157467A1 (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN108507154A (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
-
2016
- 2016-05-17 CN CN201620448762.2U patent/CN205807852U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018157467A1 (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN108507156A (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN108507154A (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN108507156B (en) * | 2017-02-28 | 2020-10-16 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |