CN106955018A

CN106955018A - A kind of kettle body structure

Info

Publication number: CN106955018A
Application number: CN201610273339.8A
Authority: CN
Inventors: 朱泽春; 张乐
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2016-01-12
Filing date: 2016-04-27
Publication date: 2017-07-18
Anticipated expiration: 2036-04-27
Also published as: CN205795508U; CN206700009U; CN205795512U; CN205795509U; CN205923741U; CN205795511U; CN106955018B; CN206006911U

Abstract

The present invention relates to a kind of household electrical appliance, more particularly to a kind of kettle body structure, the kettle body includes inner bag, shell, handle, the shell side is provided with opening, the shell is set in outside the inner bag, the shell is metal shell, the kettle body is also included located at the plastic stent between the metal shell and the inner bag, the plastic stent is used to support the metal shell, the plastic stent includes first support and second support, the first support and second support are at the opening and axially arranged along the inner bladder outer wall, the handle covers the opening.It using the plasticity and intensity of plastics, can both strengthen the intensity of metal shell, the plastic stent of different structure form can be formed again, for adapting to different shell shapes, and plastics are lower relative to the cost of metal.

Description

A kind of kettle body structure

Technical field

The present invention relates to a kind of household electrical appliance, more particularly to a kind of kettle body structure.

Background technology

The kettle body structure of bilayer is more and more on the market at present, particularly using extensive on the liquid heaters such as electric kettle, soy bean milk making machine.By taking electric kettle as an example, the bottle body temperature of individual layer electric kettle is higher, and user is easy to contact housing and is burned, and insulation and the efficiency of heating surface be not high；Double-layer electric heating kettle includes inner bag and shell, shell side is provided with opening, its assembling mode is to pull open shell aperture, then shell is directly arranged outside the tank, opening is covered with handle and clamp enclosure is connected with inner bag again, but before handle is installed, shell can not be in closed configuration due to the tension force of itself, cause the assembling of handle inconvenient, influence the production efficiency of electric kettle.

Also there is the problem of outer cover intensity is not yielding enough in double-layer electric heating kettle, influence the aesthetic property of electric kettle body.When particularly shell is metal shell, tension force of the metal shell at opening is bigger, is more difficult the installation of handle, if there is no supports support bottle body, during user's use or in transportation, shell is vulnerable to external force collision and causes indent, influences the aesthetic property of kettle body.On the other hand, because the plasticity of metal is not high, if thickening thickness to increase the intensity of metal shell, the cost rise of such electric kettle, and also the meeting of electric kettle becomes heavier, influences the usage experience of user.

The content of the invention

Based on above-mentioned situation, the present invention provides a kind of inexpensive, easy to assembly kettle body structure, uses more convenient safety.

A kind of kettle body structure, the kettle body includes inner bag, shell, handle, the shell side is provided with opening, the shell is set in outside the inner bag, the shell is metal shell, the kettle body is also included located at the plastic stent between the metal shell and the inner bag, the plastic stent is used to support the metal shell, the plastic stent includes first support and second support, the first support and second support are at the opening and axially arranged along the inner bladder outer wall, and the handle covers the opening.

The plastic stent also includes the 3rd support, and the 3rd support is the extending bracket for being connected and being circumferentially extended along the inner bladder outer wall with the first support or second support side.

The plastic stent also includes the 3rd support, and the 3rd support is the ring support around the inner bag, and the side of the two ends of the ring support respectively with the first support and second support is connected.

The plastic stent also includes being connected with the 3rd support and along the axially arranged reinforcement of the inner bladder outer wall.

The inner bag is externally provided with spout, and the metal shell is provided with the installation gap for installing the spout, and the 3rd support is described at the kettle nozzle along installation gap formation spout reinforcer.

The plastic stent also includes the connector for connecting the first support and second support, and the connector is located at just to the position at the metal shell opening.

The connector is integrally formed with the first support and second support.

The annular ring that the connector is closed with the 3rd support located at the bottom or top of the first support and second support, the connector with the 3rd support formation.

The first support and second support are separately fixed on the inner bag.

The metal shell opening both sides are connected with the first support and second support respectively.

The beneficial effects of the invention are as follows：The kettle body is included located at the plastic stent between the metal shell and the inner bag, the plastic stent is used to support the metal shell, utilize the plasticity of plastics, both the intensity of metal shell can be strengthened, the plastic stent of different structure form can be formed again, for adapting to different shell shapes, and plastics are lower relative to the cost of metal.Plastic stent can simply include first support and second support, the opening both sides of metal shell are respectively installed in first support and second support, using the intensity of first support and second support in the axial direction, that is, strengthen the intensity at metal shell opening, so as to strengthen the overall intensity of shell.

Brief description of the drawings

Technical scheme in order to illustrate more clearly the embodiments of the present invention, the accompanying drawing to be used needed for being described below to embodiment is briefly described, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skills, on the premise of not paying creative work, other accompanying drawings can be also obtained according to following accompanying drawings.

Fig. 1 illustrates for the implementation one of kettle body structure to be intended to.

Fig. 2 is first support, the structural representation of second support.

Fig. 3 is the structural representation of plastic stent.

Fig. 4 is the structural representation of plastic stent.

Fig. 5 is the structural representation of plastic stent.

Fig. 6 is the example IV schematic diagram of kettle body structure.

Fig. 7 is the schematic diagram of embodiment five of kettle body structure.

Fig. 8 is the structural representation of plastic stent.

Fig. 9 is the structural representation of plastic stent.

Figure 10 is the structural representation of plastic stent.

Figure 11 is the structural representation of plastic stent.

Figure 12 is the structural representation of plastic stent.

Figure 13 is the structural representation of plastic stent.

Figure 14 is metal shell, the assembling structure schematic diagram of plastic stent.

Figure 15 is the sectional view of the kettle body of embodiment two.

Figure 16 is the structure enlarged diagram at A in Figure 15.

Figure 17 is the structure enlarged diagram at B in Figure 15.

Figure 18 is the structural representation of embodiment five.

Figure 19 is the structure enlarged diagram at C in Figure 18.

Figure 20 is metal shell, install at plastic stent opening before schematic diagram.

Figure 21 is metal shell, install at plastic stent opening after schematic diagram.

Figure 22 is the schematic diagram of electric kettle.

Figure 23 illustrates for the implementation ten of kettle body structure to be intended to.

Figure 24 is the structural representation of support.

Figure 25 is the structural representation of support.

Figure 26 is the structural representation of support.

Figure 27 is the schematic diagram of embodiment 12 of kettle body structure.

Figure 28 is the structural representation of support.

Figure 29 is the structural representation of shell.

Figure 30 is the sectional view of the kettle body of embodiment 11.

Figure 31 is the structure enlarged diagram at A in Figure 30.

Figure 32 is the structure enlarged diagram at B in Figure 30.

Figure 33 is the schematic diagram of embodiment 13 of kettle body structure.

Figure 34 is the structure enlarged diagram at C in Figure 33.

Reference：1- metal shells；2- plastic stents；3- inner bags；4- pot lids；5- handles；6- bases；7- steam caps；8- steam pipes；11- inserted sheets；12- mounting holes；13- upper edges；14- lower edges；15- spout sets；21- first supports；22- second supports；23- extending brackets；24- ring supports；25- reinforcements；26- spout reinforcers；27- connectors；The flange of 31- first；The flangings of 32- first；33- spouts；The flange of 34- second；The flangings of 35- second；21a- first supports；22a- reinforcements；23a- second supports；24a- spout reinforcers.

Embodiment

Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein same or similar label represents same or similar element or the element with same or like function from beginning to end.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.

In the description of the invention, it will be appreciated that, term " " center ", " axial direction ", " circumference ", " length ", " width ", " thickness ", " on ", " under ", " preceding ", " rear ", " left side ", " right side ", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " clockwise ", the orientation or position relationship of instructions such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.

In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, one or more this feature can be expressed or implicitly include by defining " first ", " second ", the feature of " the 3rd ".In the description of the invention, " multiple " are meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " connected ", " connection ", " fixation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；It can be mechanical connection or electrical connection or can communicate with one another；Can be joined directly together, can also be indirectly connected to by intermediary, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " can directly be contacted including the first and second features, can also not be direct contact including the first and second features but by the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height less than second feature.

Root electric kettle according to embodiments of the present invention can include kettle body structure, pot lid 4, base 6 etc..Pot lid 4 can be connected by rotating shaft with handle 5 or directly spiral-lock is at the top of kettle body structure, base 6 is arranged on the bottom of kettle body structure, heating tube and control device can be set between base 6 and kettle body structure, the control device includes temperature controller, power switch etc., user passes through pushing power switch, so that electric kettle switches on power, so as to control heater to work, temperature controller is used to when the water is boiling jump power-off source.Steam pipe 8 is arranged between the inner bag 3 of handle 5 and for making the steam in inner bag 3 lead at temperature controller.

Kettle body structure is described in detail with reference to embodiment.Need explanation a bit, kettle body structure according to embodiments of the present invention can as but be not limited to the kettle body structure of electric kettle.

Embodiment 1:

As Figure 1-Figure 2, a kind of kettle body structure, the kettle body includes inner bag 3, metal shell 1, handle 5, the side of metal shell 1 is provided with opening, the metal shell 1 is set in outside the inner bag 3, the kettle body is also included located at the plastic stent 2 between the metal shell 1 and the inner bag 3, the plastic stent 2 is used to support the metal shell 1, the plastic stent 2 includes first support 21 and second support 22, the first support 21 and second support 22 are at the opening and axially arranged along the outer wall of inner bag 3, and the handle 5 covers the opening.Need explanation a bit, the first support 21 and second support 22 are axially arranged along the outer wall of inner bag 3（Using the short transverse of inner bag 3 to be axially schematically illustrate）It should broadly understood, for example including first support 21 and second support 22 parallel to axial direction, generally still can also axially it be set including first support 21 and second support 22 simultaneously, i.e., including first support 21 and second support 22 and situation of the axial direction in less angle.

When the shell is metal shell 1, metalwork plasticity is not high, and in order to reduce weight, the thickness of metal shell 1 is typically relatively thin, cause its intensity not high, and metal shell 1 is provided with opening, on the one hand, the opening of metal shell 1 both sides are yielding, on the other hand, the tension force at opening of metal shell 1 is larger, it can not close up and keep its shell moulding, it is also not susceptible to the installation of handle 5, so, the kettle body is also included located at the plastic stent 2 between the metal shell 1 and the inner bag 3, the plastic stent 2 is used to support the metal shell 1, utilize the plasticity of plastics, both the intensity of metal shell 1 can be strengthened, the plastic stent 2 of different structure form can be formed again, for adapting to different shell shapes, and plastics are lower relative to the cost of metal.

Plastic stent 2 can simply include first support 21 and second support 22, the opening both sides of metal shell 1 are respectively installed in first support 21 and second support 22, utilize the intensity of first support 21 and second support 22 in the axial direction, strengthen the intensity at the opening of metal shell 1, keep the moulding at the opening of metal shell 1 stable, the intensity overall so as to strengthen metal shell 1, is allowed to be unlikely to deform；When first support 21 and second support 22 are arranged on inner bag 3, metal shell 1 is fixed therewith and open configuration is not at opening, is easy to the installation of handle 5, and its assembling process is stable and conveniently；Meanwhile, above-mentioned first support 21 and second support 22 serve heat-insulated effect at handle 5.

Wherein, for more convenient assembling, the first support 21 and second support 22 are separately fixed on the inner bag 3, and its fixed structure can be that, by installing employee on inner bag 3, first support 21 and second support 22 are fixed on employee by modes such as screw or buckles.When the first support 21 and second support 22 are separately fixed on the inner bag 3, the opening of metal shell 1 both sides are i.e. as first support 21 and second support 22 are fixed, now, the handle 5 can be easily fixed in the first support 21 and second support 22 or on inner bag 3.

The assembly method of above-mentioned kettle body structure can be divided into two kinds：The first, first navigates to metal shell 1 in first support 21 and second support 22, then metal shell 1 and plastic stent 2 are assembled on inner bag 3 as a black box；Second, first first support 21 and second support 22 are fixed on inner bag 3, then metal shell 1 is navigated in first support 21 and second support 22.Finally, the handle 5 covers the opening, and handle 5 can be fixedly connected with inner bag 3, can be also fixedly connected with first support 21 and second support 22.As shown in Figure 14,20, according to said structure, metal shell 1 and the annexation of first support 21 and second support 22 include：The opening of metal shell 1 is respectively provided on two sides with inserted sheet 11, and the both sides of the metal shell 1 are connected by bending the inserted sheet 11 with the first support 21 and second support 22；Or, the opening of metal shell 1 is respectively provided on two sides with jack, and the first support 21 and second support 22 are provided with fixed column, and the both sides of the metal shell 1 are set in fixed column by the jack to be connected with first support 21 and second support 22；Or, the metal shell 1 is open the position for being respectively provided on two sides with correspondence buckle in buckle, first support 21 and second support 22 provided with neck, and metal shell 1 is connected by buckle structure with first support 21 and second support 22.In addition, the metal shell 1 can be fixed on inner bag 3 together with first support 21 and second support 22.

Due to the above-mentioned Stability Analysis of Structures of plastic stent 2, metal shell 1 is arranged on plastic stent 2, plastic stent 2 serves the effect of support at the opening of metal shell 1, so that intensity increase of the metal shell 1 at opening, so as to strengthen the intensity of whole kettle body, and it is easy to the installation of handle 5, its assembling process is stable and conveniently, while above-mentioned first support 21 and second support 22 serve heat-insulated effect at handle 5.

Further, the plastic stent 2 also includes the 3rd support, and the 3rd support is the extending bracket 23 for being connected and being circumferentially extended along the outer wall of inner bag 3 with the first support 21 or the side of second support 22.Need explanation a bit, " the 3rd support be connected with the first support 21 or the side of second support 22 and along the outer wall of inner bag 3 circumferentially extending extending bracket 23 " in " circumference "（Using around the axis direction of inner bag 3 to be circumferential schematically illustrate）Should broadly understood, such as the cross section including extending bracket 23 parallel to inner bag 3 cross section, while the cross section that can also include cross section and the inner bag 3 of extending bracket 23 is in the situation of less angle.

The structure type of extending bracket 23 may include following several：One end of extending bracket 23 is connected with the side of first support 21, and the other end is hanging；One end of extending bracket 23 can also be connected with the side of second support 22, and the other end is hanging；It should be evident that the bar number of extending bracket 23 can be one or more, the different extending bracket 23 of above two can also be included simultaneously.Increase above-mentioned extending bracket 23, on the one hand, pass through above-mentioned extending bracket 23 parcel and clamp the outer wall of inner bag 3 so that the first support 21 and second support 22 are more fitted the outer wall of inner bag 3；On the other hand, the length of extending bracket 23 can be limited freely, when length is shorter, can save material cost declining；When length is longer, the intensity that extending bracket 23 wraps up inner bag 3 can be increased, while strengthening intensity of the metal shell 1 at extending bracket 23.

Further, to prevent that extending bracket 23 from deforming upon, when extending bracket 23 is two and the above, reinforcement 25 can be set between two extending brackets 23, the reinforcement 25 is axially arranged along the outer wall of inner bag 3（Set along the short transverse of inner bag 3, there is difference in height between the top and bottom of the reinforcement 25）, for supporting region of the extending bracket 23 outside first support 21 and second support 22, increase intensity.For example, side of the one end of two extending brackets 23 with first support 21 is connected, connected between two free ends by reinforcement 25.Or, an extending bracket 23 is connected with the side of first support 21, and an extending bracket 23 is connected with the side of second support 22, and two extending brackets 23 are not at connecting by reinforcement 25 between same plane, two extending brackets 23.Certainly, those skilled in the art is readily apparent that, the bar number of reinforcement 25 can be 1 or a plurality of, and set location also can be different, preferably symmetric design, more solid and reliable.

Further, above-mentioned extending bracket 23 sets along the outer wall of inner bag 3 and can be close to the outer wall of inner bag 3, so that the inner surface of extending bracket 23 is supported with the outer wall of inner bag 3, when metal shell 1 be set in plastic stent 2 it is outer when, gap between inner bag 3 and metal shell 1 can be filled by plastic stent 2, increase the intensity of metal shell 1.

Embodiment 2:

The present embodiment is that first support 21 and second support 22 need not be fixed on inner bag 3 with the difference of embodiment 1, reduce the assembling process of first support 21 and second support 22 on inner bag 3, accelerate efficiency of assembling, simultaneously the integrality of inner bag 3 is destroyed without other structures are set on inner bag 3, such as employee, cost can also be reduced by reducing said structure, accelerate operating efficiency.

As Figure 3-Figure 4, a kind of kettle body structure, the kettle body includes inner bag 3, metal shell 1, handle 5, the side of metal shell 1 is provided with opening, the metal shell 1 is set in outside the inner bag 3, the kettle body is also included located at the plastic stent 2 between the metal shell 1 and the inner bag 3, the plastic stent 2 is used to support the metal shell 1, the plastic stent 2 includes first support 21 and second support 22, the first support 21 and second support 22 are at the opening and axially arranged along the outer wall of inner bag 3, and the handle 5 covers the opening.Explanation is needed exist for a bit, described in axially arranged understanding be the same as Example 1.

Further, the plastic stent 2 also includes the 3rd support, and the 3rd support is the ring support 24 around the inner bag 3, and the side of the two ends of the ring support 24 respectively with the first support 21 and second support 22 is connected.In addition, what those skilled in the art was readily apparent that, the bar number of ring support 24 can be one or more.

Preferably, ring support 24 includes two, and respectively positioned at the upper and lower part of first support 21 and second support 22, concrete structure is exemplified below：

3rd support is the upper ring support 24 located at the first support 21 and the top of second support 22, it is close to the inner surface of metal shell 1 in the outer surface of the upper ring support 24, the open top of inner bag 3 is provided with the first flange 31 and the first flanging 32, lateral surface the first groove of formation of the flange 31 of first flanging 32 and first and the inner bag 3, the upper edge 13 of the upper ring support 24 and metal shell 1 is inserted first groove and fixed.The upper ring support 24 strengthens the intensity on the top of metal shell 1.

Or, 3rd support is the lower ring support 24 located at the first support 21 and the bottom of second support 22, it is close to the inner surface of metal shell 1 in the outer surface of the lower ring support 24, the kettle body also includes base 6, the base 6 is provided with the second groove, and the lower edge 14 of the lower ring support 24 and metal shell 1 is inserted second groove and fixed.The lower ring support 24 strengthens the intensity of the bottom of metal shell 1.Particularly point out, when the height of metal shell 1 is more than the height of inner bag 3 and differs larger, or base 6 height it is smaller and when can not support the intensity of the bottom of metal shell 1 completely, the lower ring support 24 more has beneficial effect, this at present ring support 24 there is the effect of the bottom shape of metal shell 1 of holding round, it is ensured that the shape of metal shell 1.When the height of metal shell 1 is more than the height of inner bag 3 and differs larger, the lower ring support 24, without being close to the outer wall of inner bag 3, is only to surround inner bag 3 to set（Or can be understood as surrounding the setting of the inwall of metal shell 1）.

Further, second groove include be located at metal shell 1 outside the first side, the second side in metal shell 1, described second while height be more than first while height.Second side is used to supporting the inwall of lower ring support 24, first while and clamps the lower edge 14 of the metal shell 1 and lower ring support 24, the intensity of reinforcement metal shell 1 bottom, the moulding of robust metal shell 1 when second.

Here need to particularly point out, what those skilled in the art was readily apparent that, the plastic stent 2 can include upper ring support 24 and lower ring support 24 simultaneously, and the top and the bottom of metal shell 1 are supported respectively, so as to reach the intensity maintenance to whole metal shell 1.

Or, ring support 24 is one, positioned at the middle part of first support 21 and second support 22.

The effect of above-mentioned 3rd support is：1. strengthening the circumferential intensity of metal shell 1, it is allowed to be unlikely to deform, that is, maintains the moulding of metal shell 1；2. first support 21 and second support 22 are linked together, strengthen the stability of first support 21 and second support 22, i.e., when first support 21 and second support 22 are not fixed on inner bag 3, it is also ensured that stability.

Assembly method between metal shell 1, plastic stent 2 and inner bag 3 is similar with described in embodiment 1.The first, first navigates to metal shell 1 on above-mentioned plastic stent 2, need to only widen the opening of metal shell 1 and plastic stent 2 as a black box, and then set is set to outside inner bag 3；Second, first above-mentioned plastic stent 2 is set in outside inner bag 3, that is, pulled open between first support 21 and second support 22（Position between first support 21 and second support 22 is the position being just open to metal shell 1, and discussion below is herewith）Distance, then pulling open the opening of metal shell 1, to be set in plastic stent 2 outer and position metal shell 1 on plastic stent 2.Finally, the handle 5 covers the opening and is fixedly connected with inner bag 3.

The location structure of above-mentioned metal shell 1 and plastic stent 2, except being separately fixed at including the metal shell 1 opening both sides in the first support 21 and second support 22；It may also include the top edge of metal shell 1 or lower edge be positioned on ring support 24.

Further, to prevent that ring support 24 from deforming upon, when ring support 24 is two and the above, reinforcement 25 can be set between two ring supports 24, the reinforcement 25 is axially arranged along the outer wall of inner bag 3（Set along the short transverse of inner bag 3, there is difference in height between the top and bottom of the reinforcement 25）, for supporting region of the ring support 24 outside first support 21 and second support 22, increase intensity.It is preferred that position can be the opposite side relative with the position of second support 22 with first support 21, and need to only set one, it is simple in construction.Certainly, those skilled in the art is readily apparent that, the bar number of reinforcement 25 can be a plurality of, and set location also can be different, preferably symmetric design, more solid and reliable.

Here need to particularly point out, what those skilled in the art was readily apparent that, as shown in Figure 5, the plastic stent 2 can include extending bracket 23 and ring support 24 simultaneously, such as extending bracket 23 is used to support the top of metal shell 1 located at the top of first support 21 and second support 22, and ring support 24 is used to support the bottom of metal shell 1 located at the bottom of first support 21 and second support 22.

Above-mentioned plastic stent 2 constitutes a simple frame shape plastic stent 2 by first support 21, second support 22, the 3rd support and reinforcement 25, that is the moulding of first support 21 and the stable metal shell 1 of second support 22 at opening, further, 3rd support and reinforcement 25 strengthen the intensity of kettle body circumferential and axial respectively, so as to strengthen the overall intensity of kettle body.It is simple in construction and structure is firm, it can either be used for fixing metal shell 1, the intensity of metal shell 1 can be strengthened again, be allowed to be unlikely to deform.

Embodiment 3:

The structure of plastic stent 2 in above-described embodiment, between first support 21 and second support 22（Just to the position at the opening of metal shell 1）Connectionless relation, when first support 21 and second support 22 are not fixed on inner bag 3, even if metal shell 1 has the support of first support 21 and second support 22, when tension force of the metal shell 1 at opening is larger, opening can also be drawn opening angle is larger and yielding, opening two ends are not closed, and handle 5 is installed can erection ＆ lift difficulty.

As shown in Fig. 1, Fig. 3-Fig. 5, the structure based on above-described embodiment, the plastic stent 2 also includes the connector 27 for connecting the first support 21 and second support 22, and the connector 27 is located at just to the position at the opening of metal shell 1.The connector 27 at least ensure that one end closure of opening so that after metal shell 1 and support 2 are installed in place, opening is in non-unordered open configuration so that opening is generally axially arranged along inner bag 3, be easy to the covering of 5 pairs of openings of handle to install.

Above-mentioned connector 27 and the annexation of first support 21 and second support 22 can be formed in one or releasable connection.Certainly, those skilled in the art is readily apparent that, the number of connector 27 can be one or more, more solid and reliable.

For example, when the connector 27 and the first support 21 and second support 22 are integrally formed, the connector 27 is located at the bottom or top of the first support 21 and second support 22, connect one end between first support 21 and second support 22, it is ensured that the connection distance between first support 21 and second support 22.Further, above-mentioned connector 27 is with the 3rd support located at the bottom or top of the first support 21 and second support 22, the connector 27 and the annular ring of the 3rd support formation closing, strengthen the stability of first support 21 and second support 22 at opening.Particularly when annular ring is arranged on the bottom of first support 21 and second support 22, moulding of the annular ring for holding round the bottom of metal shell 1 more has effect.Assembly method between metal shell 1, plastic stent 2 and inner bag 3 is same as Example 2.

For example, when the connector 27 and the first support 21 and second support 22 are releasable connection, the connector 27 is used to tense the distance between opening of metal shell 1.Grab is respectively equipped with the first support 21 and second support 22, the two ends of connector 27 are provided with neck, and the grab is connected with neck.Assembly method between metal shell 1, plastic stent 2 and inner bag 3 is same as Example 2, and difference is that before handle 5 is installed, the first support 21 first passes through above-mentioned releasable connection part 27 with second support 22 and is connected.Above-mentioned releasable connection part 27 is securable to the middle part of first support 21 and second support 22, also can fix multiple side by side.

It is preferred that, connector 27 can also include above-mentioned integrally formed connector 27 and removable connector 27 simultaneously.For example, the bottom of the first support 21 and second support 22 is provided with integrally formed connector 27, the removable connector 27 can be used for the top of connection first support 21 and second support 22.

The setting of above-mentioned integral connector 27, so that one end closure of opening, it ensure that when metal shell is installed to the connection distance between the after-opening in first support 21 and second support 22, it is easy to the installation of releasable connection part 27 and handle 5, so that opening is not at the state that two ends are opened completely, it is easy to the installation of handle 5, assembling process is stable, lifts efficiency of assembling.It is illustrated below：

As illustrated in figs 20-22, when the metal shell 1 is set in outside the plastic stent 2, when two sides of the opening of metal shell 1 are connected with first support 21, second support 22 respectively, so the opening of metal shell 1 both sides change with the change between first support 21 and second support 22, for example the distance between first support 21 and second support 22 are tapered into, so the distance between the opening of metal shell 1 both sides are also tapered into；Conversely, so the change between the opening of metal shell 1 both sides can also drive the change between first support 21 and second support 22；Meanwhile, metal shell 1 can make the opening of metal shell 1 both sides keep its moulding, be unlikely to deform, so as to strengthen the overall intensity of metal shell 1 by first support 21 and second support 22 come the intensity at reinforced cut-out both sides.

Further illustrate, when above-mentioned connector 27 causes one end connection of the first support 21 and second support 22, in normally closed state, and the open distance before the other end is installed is A, the open distance after the other end is installed is B, and B< A；The handle 5 covers the opening, makes opening not exposed, lifts kettle body aesthetic property.

One end connection of the first support 21 and second support 22, the open distance before the other end is installed is A.That is, one end connection of described first support 21 and second support 22, for stablizing the distance between first support 21 and second support 22；The other end opens wide and is able to here pull open support 2, is easy to metal shell 1 and plastic stent 2 being arranged on outside inner bag 3；On the one hand open distance has the distance for holding the tension force of generation to pull open herein by first support 21 and second support 22 itself for A, on the other hand also has metal shell 1 to be fixed to the distance held the tension force of generation herein after first support 21 and second support 22 and pulled open.Meanwhile, open configuration is not at opening in order that obtaining after metal shell 1 is arranged on first support 21 and second support 22, the open distance after the other end is installed is B, i.e. spacing between tension first support 21 and second support 22 so that B<A, easily facilitates the installation of handle 5, and assembling process is stable, lifts efficiency of assembling.Because the other end of first support 21 and second support 22 is still opened wide, or even the overtension of metal shell 1 and support 2, so that opening size is excessive, both handle 5 had been not easy to install, also the aesthetic property of kettle body is influenceed, so needing to set connector 27 again, for tensing the opening both sides after the metal shell 1 and plastic stent 2 are installed in place, tense the spacing between first support 21 and second support 22 so that B<A, easily facilitates the installation of handle 5, and assembling process is stable, lifts efficiency of assembling.

The connector 27 can be a single element, and the both sides of the connector 27 are provided with neck, and the first support 21 and second support 22 are provided with grab, and the grab is caught in the neck and connects the first support 21 and second support 22.

Further, just to being provided with steam hole at opening on inner bag 3, and the steam pipe 8 being connected with the steam hole, the steam pipe 8 is located between opening, connected between the steam hole and steam pipe 8 by turning to steam cap 7, the neck is located at the both sides of the steam cap 7, and the grab is caught in the neck and connects the first support 21 and second support 22.Above-mentioned steam cap 7 both can be as steam hole and the tumbler of steam pipe 8, again can be simple in construction as connection first support 21 and the connector of the other end of second support 22, cost-effective.

Based on above-mentioned structure, the connector 27 can be also used for connection metal shell 1 and use, the connector 27 includes the fastener hole located at the metal shell 1 opening side, and located at the connecting plate of the opposite side of metal shell 1, the connecting plate is fixed through fastener hole and with fastener hole.Tensed by the opening of metal shell 1 both sides and realize first support 21 and second support 22.

Based on above-mentioned structure, the connector 27 includes the employee on the inner bag 3, and the first support 21 and second support 22 are fixed on employee by screw；Or, the connector 27 includes the fixed column on the inner bag 3, and the first support 21 and second support 22 are provided with fixing hole, and the first support 21 and second support 22 are fixed by the fixed column through the fixing hole.

Based on said structure, the handle 5 includes the handle and the handle set on the inside of handle for being used to shake hands, and the handle set covering is described to be open and fixed with inner bag 3；The first support 21 and second support 22, which are provided with the inside of mounting hole 12, the handle set, is provided with buckle, and the buckle, which buckles into the mounting hole 12, to be used to be fastenedly connected the first support 21 and second support 22；Or, radial direction card rib is respectively equipped with the first support 21 and second support 22, the handle set is provided with radial direction fastener, and the card rib is interlocked with fastener to be supported for being fastenedly connected the first support 21 and second support 22.Above-mentioned handle set has the effect of above-mentioned connector 27, i.e., fastening opening both sides after being installed in place for metal shell 1 and plastic stent 2.

Here need to particularly point out, what those skilled in the art was readily apparent that, the fit structure of above-mentioned handle set and plastic stent 2 can be used together with above-mentioned connector 27, also can be used alone.

Based on said structure, the top of metal shell 1 is provided with the first unlimited installing port, the bottom of metal shell 1 is provided with the second unlimited installing port, before the other end of the first support 21 and second support 22 is installed, the internal diameter size of second installing port is more than or equal to the internal diameter size of the first installing port；After the other end of the first support 21 and second support 22 is installed, the internal diameter size of second installing port is more than the internal diameter size of the first installing port.When the metal shell 1 moulding for it is up-small and down-big when, it is now, described to need to tense the other end of the first support 21 and second support 22 because metal shell 1 in the tension force of opening make it that the moulding of metal shell 1 changes, keep the moulding of metal shell 1.

Above-mentioned connector 27 both can tense first support 21 and second support 22 by tensing metal shell 1, can also tense metal shell 1 by tensing first support 21 and second support 22.

Embodiment 4：

As shown in Figure 6, a kind of electric kettle, including kettle body, pot lid 4 at the top of kettle body and the base 6 located at kettle body bottom, the base 6 supports the kettle body, the kettle body includes inner bag 3, metal shell 1, handle 5, the inner bag 3 is externally provided with spout 33, the spout 33 can be fixed on inner bag 3 by way of welding, it can also be made of one piece with inner bag 3, the side of metal shell 1 is provided with opening, the metal shell 1 is set in outside the inner bag 3, the metal shell 1 is provided with the installation gap for installing the spout 33, the spout 33 stretches out the installation gap, the handle 5 covers the opening.

As seen in figures 8-14, the kettle body is also included located at the plastic stent 2 between the metal shell 1 and the inner bag 3, the plastic stent 2 is used to support the metal shell 1, the plastic stent 2 includes first support 21 and second support 22, and the first support 21 and second support 22 are at the opening and axially arranged along the outer wall of inner bag 3；The plastic stent 2 also includes the 3rd support, 3rd support is the extending bracket 23 for being connected and being circumferentially extended along the outer wall of inner bag 3 with the first support 21 or the side of second support 22, or, 3rd support is the ring support 24 around the inner bag 3, and the side of the two ends of the ring support 24 respectively with the first support 21 and second support 22 is connected.What those skilled in the art was readily apparent that, article number of the 3rd support can be one or more.In addition, when the 3rd support be two and more than, between described two 3rd supports be provided with reinforcement 25, for strengthening intensity.The plastic stent 2 is also included located at connector 27 between first support 21 and second support 22, described in the embodiment reference implementation example 3 of the connector 27.So, plastic stent 2 can be first support 21 and the support of second support 22 and the 3rd, connector 27, the combining structure of reinforcement 25, and specific combination is referred to described in above-described embodiment 1-3.

Plastic stent 2 in the present embodiment is also included at the spout 33 along installation gap formation spout reinforcer 26, spout 33 clamps spout reinforcer 26 with metal shell 1 and makes to add spout reinforcer 26 to be close to installation gap, strengthens intensity of the metal shell 1 at installation gap.Wherein, the spout reinforcer 26 is positioned at metal shell 1, refer to that metal shell 1 is supported to spout reinforcer 26, can fix spout reinforcer 26 under the pressure effect of spout 33, if losing the pressure effect of spout 33, spout reinforcer 26 may drop from metal shell 1, it will not may also be dropped from metal shell 1, in addition, it is only the relation that contacts with each other between spout reinforcer 26 and spout 33, if after the support for losing metal shell 1, spout reinforcer 26 can not keep the contact relation with spout 33, it can be separated and dropped with spout 33 by gravity.The spout reinforcer 26 is included in face of the first face of the lateral wall of spout 33, in face of the second face of the lateral wall of inner bag 3, the 3rd face in face of installation gap inner side end, second face is located at the back side in the 3rd face, on the first face, the installation gap madial wall of metal shell 1 is pressed on the 3rd face the lateral wall pressure of the spout 33.The spout reinforcer 26 with the 3rd support by being even positioned at installation gap, the annexation of spout reinforcer 26 and the 3rd support is integrally formed including spout reinforcer 26 with the 3rd support herein, also it is connected including spout reinforcer 26 by reinforcement 25 with the 3rd support, reinforcement 25 is located at the lower section of the spout reinforcer 26, for supporting the spout reinforcer 26.

Or, the spout reinforcer 26 also includes the fourth face in face of installation gap end face outside, and first face, the 3rd face and fourth face formation opening are towards the caulking groove of installation gap, and installation gap, which is inserted, positions spout reinforcer 26 in caulking groove.Now, spout reinforcer 26 can realize positioning with metal shell 1.Above-mentioned spout reinforcer 26 not only strengthens intensity of the metal shell 1 at installation gap, while the case ring that a circle is set along spout 33 is formed at installation gap, it is more attractive in appearance.In addition, what those skilled in the art was readily apparent that, when the clamping engagement of the spout reinforcer 26 and installation gap is sufficiently tight, the spout reinforcer 26 can be separately provided, without being connected with the 3rd support.

It need to particularly point out, first face of above-mentioned spout reinforcer 26 can also all cover the lateral surface of spout 33, that is the first face extends along the lateral surface of spout 33 and wraps up the spout 33, said structure not only improves the aesthetic property at spout 33, the color of spout reinforcer 26 can be different from metal shell 1 and set, heat-insulated effect is served again, prevents that user from scalding at spout 33.In order to more attractive in appearance, the outlet edge of spout 33 is provided with the second flange 34, and second flange 34 covers the edge that the spout reinforcer 26 is extended at the water outlet of spout 33.

Spout 33 can produce downward pressure to spout reinforcer 26, therefore spout 33 can clamp spout reinforcer 26 with metal shell 1, spout reinforcer 26 is set to be close to installation gap, therefore the weaker installation gap of intensity can just utilize the rigidity of spout 33 to be supported by spout reinforcer 26, user is in use, metal shell 1 collides in the position of installation gap, the impulsive force of collision is passed to by spout 33 by spout reinforcer 26, so that spout reinforcer 26 and metal shell 1 will not be to inner side deformation in the position of installation gap, ensure that metal shell 1 is not easy to crack in the position of installation gap, so as to improve the service life of metal shell 1, improve the usage experience of user.In addition, there is provided after spout reinforcer 26, phase mutual friction between metal shell 1 and spout 33 can be avoided to cause spout 33 to scratch, so that it is guaranteed that the aesthetic property that product is used for a long time.

Embodiment 5:

As shown in Figure 7, a kind of electric kettle, pot lid 4 including kettle body, at the top of kettle body and the base 6 located at kettle body bottom, the base 6 supports the kettle body, the kettle body includes inner bag 3, metal shell 1, handle 5, the inner bag 3 is externally provided with spout 33, the spout 33 can be fixed on inner bag 3 by way of welding, it can also be made of one piece with inner bag 3, the side of metal shell 1 is provided with opening, the metal shell 1 is set in outside the inner bag 3, and the handle 5 covers the opening.

As illustrated in figs 20-22, the metal shell 1 is provided with installation gap, the metal shell 1 is additionally provided with the spout set 15 for being wrapped in the outside of spout 33 at installation gap, and the outlet edge of the spout 33 is provided with the second flange 34, and second flange 34 is supported in the upper edge 13 of the spout set 15.Further, the outlet edge of the spout 33 is additionally provided with the second flanging 35, the lateral surface of spout 33 and the second flange 34 and the second flanging 35 formation groove, and the groove wraps up the upper edge 13 of spout 33.It will be apparent that the spout set 15 is integrally formed with metal shell 1.

As shown in Fig. 8-10,12-14, the kettle body is also included located at the plastic stent 2 between the metal shell 1 and the inner bag 3, the plastic stent 2 is used to support the metal shell 1, the plastic stent 2 includes first support 21 and second support 22, and the first support 21 and second support 22 are at the opening and axially arranged along the outer wall of inner bag 3；The plastic stent 2 also includes the 3rd support, 3rd support is the extending bracket 23 for being connected and being circumferentially extended along the outer wall of inner bag 3 with the first support 21 or the side of second support 22, or, 3rd support is the ring support 24 around the inner bag 3, and the side of the two ends of the ring support 24 respectively with the first support 21 and second support 22 is connected.What those skilled in the art was readily apparent that, article number of the 3rd support can be one or more.In addition, when the 3rd support be two and more than, between described two 3rd supports be provided with reinforcement 25, for strengthening intensity.The plastic stent 2 is also included located at connector 27 between first support 21 and second support 22, described in the embodiment reference implementation example 3 of the connector 27.So, plastic stent 2 can be first support 21 and the support of second support 22 and the 3rd, connector 27, the combining structure of reinforcement 25, and specific combination is referred to described in above-described embodiment 1-3.

Plastic stent 2 in the present embodiment is also included at the spout 33 along installation gap formation spout reinforcer 26, spout 33 clamps spout reinforcer 26 with metal shell 1 and makes to add spout reinforcer 26 to be close to installation gap, strengthens intensity of the metal shell 1 at installation gap.The spout reinforcer 26 is included in face of the first face of the lateral wall of spout 33, in face of the second face of the lateral wall of inner bag 3, the 3rd face in face of installation gap inner side end, second face is located at the back side in the 3rd face, on the first face, the installation gap madial wall of metal shell 1 is pressed on the 3rd face the lateral wall pressure of the spout 33.The spout reinforcer 26 with the 3rd support by being even positioned at installation gap, the annexation of spout reinforcer 26 and the 3rd support is integrally formed including spout reinforcer 26 with the 3rd support herein, also it is connected including spout reinforcer 26 by reinforcement 25 with the 3rd support, reinforcement 25 is located at the lower section of the spout reinforcer 26, for supporting the spout reinforcer 26.

Further, when spout set 15 can not be brought into close contact with spout 33, the first face even can all wrap up the lateral surface of spout 33 along the extension of the lateral surface of spout 33.Now, the spout reinforcer 26 can be separately provided, without being connected with the 3rd support, and 26 need of spout reinforcer, which are taken, to be held at installation gap, then can clamp the spout reinforcer 26 by metal shell 1 and spout 33.

Embodiment 6：

According to above-described embodiment 1 or 2 or 3 or 4 or 5, further, the inner surface of plastic stent 2 is provided with convex tendon, and the convex tendon extends from the madial wall of plastic stent 2 to the outer wall of inner bag 3.The convex tendon supports the outer wall of inner bag 3, simple in construction, without whole plastic stent 2 is close into the outer wall of inner bag 3, you can realize the purpose for strengthening the intensity of metal shell 1, saves material, low cost.

Embodiment 7：

As shown in figures 20-21, according to above-described embodiment 1 or 2 or 3 or 4 or 5 or 6, when the first support 21 and second support 22 are not affixed on the inner bag 3, the inner bag 3 is provided with screw hole, the handle set is provided with screw pole, and the first support 21 and second support 22 are provided with mounting hole 12, and the screw pole passes through the mounting hole 12, the kettle body also includes bolt, and the bolt is connected through screw hole with screw pole.By the way that in the connection procedure of handle set and inner bag 3, screw pole passes through mounting hole 12, fixation of the handle set to first support 21 and second support 22 is realized, and fixes to clamp by the handle set and inner bag 3 two side portions of opening.

Or, the inner bag 3 is provided with screw hole, the handle set is provided with screw pole, the first support 21 and second support 22 are provided with mounting hole 12, buckle is provided with the inside of the handle set, the buckle, which buckles into the mounting hole 12, to be used to be fastenedly connected the first support 21 and second support 22, and the kettle body also includes bolt, and the bolt is connected through screw hole with screw pole.Above-mentioned first support 21 and second support 22 realize fastening structure by the buckle of handle set and the cooperation of mounting hole 12, while can also reinforce the fixation of handle set.

Further, in order that the not exposed influence kettle body of opening is attractive in appearance, the handle 5 includes handle and the handle set on the inside of handle, and the handle set covers the opening.

According to said structure, just to being provided with steam hole, and the steam pipe 8 being connected with the steam hole at opening on inner bag 3, the steam pipe 8 is used to the steam that boiling water in inner bag 3 is produced being transported to the bottom of inner bag 3.The handle set covers the groove passed through in the middle part of the opening, the handle set provided with the receiving steam pipe 8.

Embodiment 8：

According to above-described embodiment 3 or 4 or 5 or 6 or 7, the electric kettle also includes the power switch stretched out outside kettle body, and the handle 5, which is provided with, is used for the first breach that power switch passes through, and the power switch sequentially passes through opening and the first breach is stretched out outside kettle body；Or, the base 6 is provided with the second breach, and the power switch sequentially passes through the second breach and opening is stretched out outside kettle body.

Embodiment 9：

According to above-described embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, the plastic stent 2 also includes being connected with the 3rd support and along the axially arranged reinforcement 25 of the outer wall of inner bag 3.In addition to reinforcement 25 is set between the support of above-mentioned two the 3rd, the one end that should also include reinforcement 25 is connected with the 3rd support, and the other end and metal shell 1 of reinforcement 25 are connected with base 6 together；Or one end of reinforcement 25 is connected with the 3rd support, the other end and metal shell 1 of reinforcement 25 insert the first groove and fixed together；Or the 3rd be set up in the middle part of reinforcement 25, the two ends of reinforcement 25 are fixed with the base 6, the first groove respectively, and now, the groove of base 6 and first serves the effect of metal shell 1 described in clamping brace and reinforcement 25.

The beneficial effect of plastic stent 2 of all embodiments in summary：

Because the side of metal shell 1 is provided with opening, described be open destroys the overall construction intensity of metal shell 1 so that metal shell 1 is provided with tension force at opening, and this tension force make it that opening changes original size, and the setting direction of opening is also changed, and is not easy to the installation of handle 5.So, plastic stent 2 is provided between the metal shell 1 and the inner bag 3, is exactly the intensity that metal shell 1 is supported using the intensity of plastic stent 2 in simple terms.First, the plastic stent 2 includes first support 21 and second support 22, the first support 21 and second support 22 are at the opening and axially arranged along the outer wall of inner bag 3, first support 21 and second support 22 it is identical with the setting direction of opening, it just can be used to fix the edge of metal shell opening both sides, i.e. first support 21 and second support 22 are that the fixation that metal shell 1 is open brings convenience, now the inner surface of the opening of metal shell 1 both sides is then close to the outer surface of first support 21 and second support 22, when handle is covered in opening, first support 21 and second support 22 serve the effect of support to the opening of metal shell 1 both sides, the shape of the opening of metal shell 1 both sides will not cause deformation because of the extruding force brought after the installation of handle 5.When first support 21 and second support 22 are fixed on inner bag 3 and the opening both sides of metal shell 1 are fixed on first support 21 and second support 22, the position that metal shell 1 is open has been determined, openings of sizes is also determined, now first support 21 and second support 22 provide convenient part for the installation of handle 5, it is easy to the covering opening of handle 5, while also the mounting means of handle 5 provides more possibility.In addition, user is in use, opening need to be pulled open metal shell 1 is set in the shell of inner bag 3, there is pulling force to opening, first support 21 and second support 22 strengthen the intensity of the axial direction at opening of metal shell 1, the opening of metal shell 1 both sides are prevented to be deformed because of pullling, so as to strengthen the overall intensity of metal shell 1.If thickening thickness to increase the intensity of metal shell 1, so cost rise of electric kettle, and the meeting of electric kettle becomes heavier, influence the usage experience of user, and the moldable property of plastic stent 2 is high and cheap, plastic stent 2 can be easy to be molded various convex tendons, for inner bag 3, metal shell 1, handle 5 cooperation.

Further, the plastic stent 2 also includes the 3rd support, 3rd support is connected with the first support 21 and/or the side of second support 22 and set around the inner bladder outer wall, that is the 3rd support can be extending bracket 23 or ring support 24, and the 3rd support is used to strengthen the intensity of the week side of boss of metal shell 1 in simple terms.When particularly there is larger gap between metal shell 1 and inner bag 3, during user's use or in transportation, if there is no supports support bottle body, metal shell 1 is vulnerable to external force collision and causes indent, influence the aesthetic property of kettle body, now the 3rd support just serves the intensity of the support the week side of boss of metal shell 1, and the 3rd support is filled with the gap between metal shell 1 and inner bag 3.In addition, three supports are also connected with first support 21 and second support 22 and set around inner bag, 3rd support and first support 21, second support 22 constitute an easy framework, so that said frame structure can be placed with relatively stable, i.e. first support 21 and second support 22 need not be fixed on inner bag 3 or can be achieved to stand still for a long while by other external force, can now omit the assembling process of first support 21 and second support 22；Even if moreover, the 3rd support is the ring support 24 of closing, plastic stent can also be arranged outside the tank by pulling open the distance between first support 21 and second support 22.Because the 3rd support is smaller to the pulling force of first support 21 and second support 22, so spacing out between first support 21 and second support 22 is smaller, when 22 connections or metal shell 1 are connected with the 3rd support between the opening both sides of metal shell 1 and first support 21 and second, the stretching degree at opening of metal shell 1 can also diminish, and be easy to handle 5 to cover opening.

Further, by above-mentioned first support 21, when there is overtension at opening in the plastic stent 2 of the support of second support 22 and the 3rd composition, opening can also be drawn opening angle is larger and yielding, so, the connector 27 is integrally formed with the first support 21 and second support 22, so that one end connection between first support 21 and second support 22, so that metal shell 1 is installed to after plastic casing 2, it ensure that open at one end is closed, tension force of the metal shell 1 at opening is effectively controlled, easily facilitate the installation of releasable connection part 27 and the installation of handle, the other end between first support 21 and second support 22 can be used for pulling open opening simultaneously, the installation of plastic stent 2 is not influenceed.Particularly, when the connector 27 and the 3rd support are located at the bottom or top of the first support 21 and second support 22, when the connector 27 and the annular ring of the 3rd support formation closing, annular ring make it that first support 21 and second support 22 are more stablized.

Further, the plastic stent 2 also includes being connected with the 3rd support and along the axially arranged reinforcement 25 of the outer wall of inner bag 3.The reinforcement 25 is used for the deformation force for supporting the 3rd support axial direction, makes the 3rd support well in the outer setting of inner bag 3.

Further, spout reinforcer 26 is positioned at metal shell 1 and refers to that metal shell 1 is supported to spout reinforcer 26, can fix spout reinforcer 26 under the pressure effect of spout 33, if losing the pressure effect of spout 33, spout reinforcer 26 may drop from metal shell 1, it will not may also be dropped from metal shell 1, in addition, it is only the relation that contacts with each other between spout reinforcer 26 and spout 33, if after the support for losing metal shell 1, spout reinforcer 26 can not keep the contact relation with spout 33, it can be separated and dropped with spout 33 by gravity.The inner bag 3 is externally provided with spout 33, and the metal shell 1 is provided with the installation gap for installing the spout 33, and the 3rd support is at the spout 33 along installation gap formation spout reinforcer 26.Spout 33 can produce downward pressure to spout reinforcer 26, therefore spout 33 can clamp spout reinforcer 26 with metal shell 1, spout reinforcer 26 is set to be close to installation gap, therefore the weaker installation gap of intensity can just utilize the rigidity of spout 33 to be supported by spout reinforcer 26, user is in use, metal shell 1 collides in the position of installation gap, the impulsive force of collision is passed to by spout 33 by spout reinforcer 26, so that spout reinforcer 26 and metal shell 1 will not be to inner side deformation in the position of installation gap, ensure that metal shell 1 is not easy to crack in the position of installation gap, so as to improve the service life of metal shell 1, improve the usage experience of user.In addition, there is provided after spout reinforcer 26, phase mutual friction between metal shell 1 and spout 33 can be avoided to cause spout 33 to scratch, so that it is guaranteed that the aesthetic property that product is used for a long time.

In summary, the structure of plastic stent 2 of the invention employs extremely simple frame structure, even if most complicated embodiment also causes the hollow out of general frame large area, remains on to the preferable support strength of metal shell 1.The plastic stent 2 of the present invention catches the key point of support to set, and realizes the support to metal shell 1.Simplest frame structure is realizes to the intensity at the opening of metal shell 1 by setting the first support 21 and second support 22 of strip, so as to realize the overall intensity of metal shell 1；Further, encircle the 3rd support of inner bag 3 to support the intensity of the week side of boss of metal shell 1 by setting, and reinforcement 25 supports the intensity of the 3rd support opposite side, first support 21 and the support of second support 22 and the 3rd, reinforcement 25 can form simple frame structure, i.e. first support 21, second support 22 and reinforcement 25 are used for the support of in the vertical direction, the support that the 3rd support is used in transverse direction.There is the hollow out of large area in said frame structure, fretwork area is up to more than 75%, and the hollow out without net like and grid type is that the support strength to metal shell 1 can be achieved, and saves material, cost declining.

Above-mentioned plastic stent 2 is simple in construction, low cost, install convenient；Moreover, plastic stent 2 can combine the suitable planform of selection according to different kettle body shapes, application is extensive.The plastic stent also has heat-insulated and insulation effect.

Embodiment 10：

As shown in figure 23, a kind of kettle body structure, the kettle body includes inner bag 3, metal shell 1 and handle 5, the opening that the side of metal shell 1 is provided with, the metal shell 1 is set in outside the inner bag 3, the handle 5 covers the opening, the kettle body is also included located at the plastic stent 2 between the metal shell 1 and the inner bag 2, the plastic stent 2 supports the metal shell 1, wherein, the plastic stent 2 includes first support 21a, the first support 21a and set around the outer wall of inner bag 3.Here need to particularly point out, the first support 21a around the outer wall of inner bag 3 be used only for showing first support 21a around set direction, first support 21a and inner bag 3 matching relationship are not emphasized, the first support 21a may be provided on the outer wall of inner bag 3 can not also be on the outer wall of inner bag 3, in addition, above-mentioned first support 21a can be fixed on inner bag 3 by employee, screw etc., it can not also be fixed on inner bag, it can also be positioned on metal shell, can be illustrated in other embodiment below.

Because the side of metal shell 1 is provided with opening so that metal shell 1 is provided with tension force at opening, and the opening destroys the overall construction intensity of metal shell 1, causes metal shell 1 yielding, influences aesthetic property.So, plastic stent 2 is provided between the metal shell 1 and the inner bag 3, is exactly the intensity that metal shell 1 is supported using the intensity of plastic stent 2 in simple terms.Plastic stent 2 described first includes above-mentioned first support 21a, for supporting the circumferential intensity of metal shell 1.Particularly when there is larger gap between metal shell 1 and inner bag 3, during user's use or in transportation, if there is no supports support bottle body, metal shell 1 is vulnerable to external force collision and causes indent, influence the aesthetic property of kettle body, now first support 21a just serves the intensity of the support the week side of boss of metal shell 1, and the first support 21a is filled with the gap between metal shell 1 and inner bag 3.

Further, the first support 21a is the first annular circle around the outer wall of inner bag 3.The first annular circle can be spliced by two semi-circular shape supports, and two semi-circular shape supports can be connected by modes such as buckles, and the first annular circle can be by coordinating come clamping and positioning on the inner bladder outer wall with the outside dimension of inner bag 3.Or the first annular circle can be also integrally formed, now, if first annular circle needs to be arranged on inner bag 3, the outside dimension of the upper end of inner bag 3 or lower end need to be smaller than the internal diameter size of first annular circle, and first annular circle can be inserted in the outside of inner bag 3 from the upper end of inner bag 3 or lower end.When the inner bag 3 is uiform section structure, more it is securely fixed in outside the tank in order that obtaining first annular circle, the first annular circle is fixed on inner bag 3 by modes such as employee, screws.When the inner bag is non-constant section structure, preferably, there is one section of large scale section in the middle of the outside dimension of the inner bag 3, the external diameter of the large scale section is more than the internal diameter size of first annular circle, now, after first annular circle is inserted in from the upper end of inner bag 3, the large scale section can support first annular circle, prevent that first annular circle from sliding.Installation of the setting of such a size of inner bag 3 to the first annular circle of above two is beneficial.Those skilled in the art can be easy to think, and above-mentioned first annular circle can be that multiple and internal diameter size can be different, be respectively arranged on the diverse location of inner bag 3, and the selection of its position is determined according to the matching relationship between inner bag 3 and metal shell 1 mostly.

Or, as shown in figs 24-26, the first support 21a can also set first annular support jaggy, by pulling open breach in addition to for above-mentioned first annular circle for side（The breach is the mouth of up/down perforation）The first annular support is installed to outside inner bag 3, the fit structure of first annular support and inner bag refers to the structure of above-mentioned first annular circle.The breach is the first breach at the opening of metal shell 1；Or, the breach is located at second breach relative with the opening set location.

Above-mentioned first support 21a assembly method is generally：First the first support 21a is installed on inner bag 3, then pulls open opening the metal shell 1 is set in outside plastic stent 2, now, metal shell 1 can be navigated on first support 21a, be easy to handle 5 to cover the opening.The location structure of the metal shell 1 and first support 21a can be：The opening of metal shell 1 both sides are provided with the position being located on inserted sheet 11, the first support 21a at opening and are provided with mounting groove, and the bending of inserted sheet 11 insertion mounting groove is fixed；The opening of metal shell 1 both sides are provided with inserted sheet 11, and the inserted sheet 11 bends the both sides for being fixed on first breach；Or, the opening of metal shell 1 is respectively provided on two sides with jack, and the first support 21a is provided with fixed column, and the both sides of the metal shell 1 are set in fixed column by the jack to be connected with first support 21a.The annexation of above-mentioned metal shell 1 and first support 21a is merely illustrative, and is not limited only to foregoing description method.

Further, when the first support 21a is the first annular support provided with the first breach, the metal shell 1 first can be fixed on first support 21a, be then installed to metal shell 1 and first support 21a outside inner bag as a component, quick and easy for installation.

Further, when the first support 21a is the first annular support provided with the second breach, the metal shell 1 is fixed to after first support 21a, the first support 21a has the effect that the metal shell 1 is open that tenses, so that metal shell is difficult to scatter at opening, it is easy to the installation of handle.

Further, as shown in figure 25, those skilled in the art can be easy to think, the first annular support can have above-mentioned first breach and the second breach simultaneously, the fixation that now first annular support can not be stablized, need to by other external force help, will be apparent from example below.

Implement:11：

Above-mentioned first support 21a is needed by being fixed with inner bag 3 or installation being consolidated with the dimensional fits of inner bag 3, and assembly method is complicated, and has higher requirement to the size of inner bag 3, and when needing to install multiple, installation step is more more, influences production efficiency.

Based on structure described in embodiment 1, as shown in Figure 24-34, further, the plastic stent 2 also includes being connected with the first support 21a and along the axially arranged reinforcement 22a of the outer wall of inner bag 3.Need explanation a bit, the reinforcement 22a is axially arranged along the outer wall of inner bag 3（Using the short transverse of inner bag 3 to be axially schematically illustrate）It should broadly understood, such as including reinforcement 22a parallel to axial direction, while can also include what reinforcement 22a was generally still axially set, i.e., including reinforcement 22a and situation of the axial direction in less angle.Above-mentioned reinforcement 2a is used for the intensity for strengthening the in the vertical direction of metal shell 1 again, while for supporting above-mentioned first support 21a.

Further, the plastic stent 2 also includes second support 23a, the second support 23a around the outer wall of inner bag 3 setting.The second support 23a is the second annular ring around the outer wall of inner bag 3；Or, the second support 23a sets the second ring support jaggy for side, and the second support 23a is connected with reinforcement 22a.The structure type of above-mentioned second annular ring and the second ring support is respectively with reference to the structure type of above-mentioned first annular circle and the first shape support.

The reinforcement 22a is connected to first support 21a and second support 23a and forms extremely simple frame structure, so that first support 21a and second support 23a need not be fixed on inner bag 3 or can be achieved to stand still for a long while by other external force, the assembling process of first support 21a and second support 23a on inner bag 3 can be now omitted, accelerates production efficiency；The matching relationship between various inner bags 3 and metal shell 1 is adapted to simultaneously, such as when the height of the metal shell 1 is more than the height of inner bag 3, the plastic stent 2 can also strengthen the intensity that metal shell 1 exceeds the part of inner bag 3.

It is preferred that frame structure scheme is introduced：It is connected with first support 21a with reinforcement 22a upper end, exemplified by second support 23a is connected with reinforcement 22a lower end：

The top of metal shell 1 can be arranged in the metal shell 1 provided with the first unlimited installing port, the bottom of metal shell 1 provided with the second unlimited installing port, the inner bag 3 from first installing port or the second installing port.

When metal shell 1 and inner bag 3 are all uiform section structures, inner bag 3 is directly installed downwards from the installing port of metal shell 1 first, until the flange on inner bag top edge is arrived on the top top of metal shell 1.Now, if adding plastic stent 2 in metal shell 1 and inner bag 3, the first support 21a and second support 23a, the frame structure of reinforcement 23a compositions also need to only be installed from the bottom up of inner bag, until first support 21a top top is to first flange 31 on inner bag top edge, metal shell 1 is being installed.

But, when the maximum outside diameter size of the inner bag 3 is more than the internal diameter size of first installing port, when the internal diameter size of second installing port is more than the maximum outside diameter size of the inner bag 3, the inner bag 3 can not be mounted directly in metal shell 1 from the first installing port or the second installing port, need to be by the opening of the side wall of metal shell 1, the distance between opening is pulled open to increase the internal diameter size of the first installing port or the second installing port, so as to be arranged on by inner bag 3 from first installing port or the second installing port in the metal shell 1, efficiency of assembling is improved.Now, if adding plastic stent 2 in metal shell 1 and inner bag 3, need to consider the size relationship of inner bag 3, and the matching relationship with metal shell 1.It is not uiform section structure to be additionally, since above-mentioned metal shell 1, there is more Multiple level between metal shell 1 and inner bag 3, and metal shell 1 is more yielding due to the shock of external force；The moulded presence due to opening of metal shell 1 is more easy to fall apart, and influences aesthetic property.

It is preferred that supporting structure scheme one：As shown in figure 24, the first support 21a is the first annular support provided with the second breach, the second annular ring that the second support 23a is formed in one, pass through two reinforcement 22a connections between the first support 21a and second support 23a, in order that it is more stable to obtain the structure of plastic stent 2, two reinforcement 22a radial symmetrics are set, and two reinforcement 23a are respectively arranged on the both sides of second breach.The second support 23a is a complete annular ring, it is ensured that on the other hand plastic stent 2 can also be used for support metal shell 1 bottom, it is ensured that the moulding of the bottom circular of metal shell 1 in the stability fundamental of lower section.Even if second support 23a is closed, the breach that the first support 21a is provided with ensure that plastic stent 2 can be conveniently mounted to outside inner bag 3, only the second breach need to be pulled open to increase first support 21a internal diameter size, the plastic stent 2 can be installed from the bottom up of inner bag, until first flange 31 on edge is pushed up on first support 21a top top to inner bag 3.After the metal shell 1 is installed on above-mentioned plastic stent 2, the first support 21a and second support 23a also act the effect of the distance between the tension opening of metal shell 1 so that opening is not at the state of opening, is easy to the effect of handle.

It is preferred that supporting structure scheme two：Based on the structure of such scheme one, difference is that the first support 21a is the first annular support provided with the first breach.Now, the plastic stent 2 can be first installed on inner bag 3, then installs metal shell 1；Because first support 21a is provided with the first breach at opening, first support 21a does not close metal shell opening all, is installed to so metal shell 1 first can also be installed into plastic stent 2 as a component, then by this component on inner bag.The above-mentioned one side of plastic stent 2 ensure that one end closure when the after-opening of metal shell installation with second support 23a, can realize the change of various metals shell 1 and the mounting means of plastic stent 2 by first support 21a again.Above-mentioned support can also include connector, and the connector is used for the distance for tensing open stand, is easy to the installation of handle.

It is preferred that supporting structure scheme three：Based on the structure of such scheme two, as shown in figure 25, difference is that the first support 21a is to include the first annular support of the first breach and the second breach, now, and first annular support divide into two halves and be supported respectively with reinforcement 23.Other are that description scheme refers to such scheme one, two.

It is preferred that supporting structure scheme four：Structure based on such scheme one, difference is that the first support 21a is the first annular circle being spliced by two semi-circular shape supports, two semi-circular shape supports can be connected by modes such as buckles, two semi-circular shape supports are respectively with reinforcement 22a supports, first two semi-circular shape supports are pulled open during installation, support is set in outside inner bag, then two semi-circular shape supports are merged and connected by modes such as buckles.

Such scheme can also be following elaboration：

The first support 21a includes two arc supports, the arc support encircles the outer wall of inner bag 3, the first breach and the second breach are formed between described two arc supports, upper end of two arc supports respectively with a reinforcement 22a is connected, the reinforcement 22a is located at the middle part of the arc support, two reinforcement 22a lower end is connected with second support 23a, the second annular ring that the second support 23a is formed in one；

Or, the first support 21a includes two arc supports, the arc support encircles the outer wall of inner bag 3, two arc supports are spliced first annular circle, upper end of two arc supports respectively with a reinforcement 22a is connected, the reinforcement 22a is located at the middle part of the arc support, and the lower end of two reinforcements is connected with second support 23a, the second annular ring that the second support 23a is formed in one；

Or, the first support 21a includes two arc supports, one end connection of two arc supports, the other end the first breach of formation or the second breach, upper end of two arc supports respectively with a reinforcement 22a is connected, the reinforcement 22a is located at the middle part of the arc support, and two reinforcement 22a lower end is connected with second support 23a, the second annular ring that the second support 23a is formed in one；

Or, the inner bag 3 is provided with spout 33, the metal shell 1 is provided with the installation gap for installing the spout 3, the plastic stent 2 is additionally included in the spout reinforcer 24a along installation gap formation at the spout 3, the first support 21a includes two arc supports, the one end of the two ends of the spout reinforcer 24a respectively with two arc supports is connected, the lower end connection strengthening rib 22a of spout support upper end, the lower end of the reinforcement 22a is connected with second support, the second annular ring that the second support 23a is formed in one；

Above-mentioned first support 21a, second support 23a and reinforcement 22a supports cooperation, and first support 21a and second support 23a structure change, and the change of set location, for example second support 23a is connected with reinforcement 22a upper end, first support 21a is connected with reinforcement 22a lower end, just do not enumerating here, those skilled in the art, which is readily apparent that, to be engaged the not be the same as Example or example described in this specification and combined.

The supporting structure of the present invention employs extremely simple frame structure, even if most complicated embodiment also causes the hollow out of general frame large area, remains on to the preferable support strength of metal shell.The plastic stent 2 of the present invention catches the key point of support to set, realize the support to metal shell 1, first support 21a and second support 23a support the intensity in the transverse direction of metal shell 1, the reinforcement 22a supports the intensity on the vertical direction of metal shell 1, first support 21a, second support 23a and reinforcement 22a constitute simple frame structure, and the frame structure has supported the bulk strength of metal shell 1.Above-mentioned supporting structure materials are few, and low cost is high in machining efficiency.

As shown in Figure 30-32, above-mentioned first support 21a and fit structures of the second support 23a respectively with inner bag 3 and base 6 are as described below：

The open top of inner bag 3 is provided with the first flange 31 and the first flanging 32, and the lateral surface of the flange 31 of the first flanging 32 and first and the inner bag 3 forms the first groove, and the upper edge 13 of the first support 21a and metal shell 1 are inserted first groove and fixed.The first support 21a strengthens the intensity on the top of metal shell 1.

The kettle body also includes base 6, and the base 6 is provided with the second groove, and the lower edge 14 of the second support 23a and metal shell 1 are inserted second groove and fixed.The second support 23a strengthens the intensity of the bottom of metal shell 1.When the height of metal shell 1 is more than the height of inner bag 3 and differs larger, or base 6 height it is smaller and when can not support the intensity of the bottom of metal shell 1 completely, the second support 23a more has beneficial effect, now second support 23a has the effect for holding round the bottom shape of metal shell 1, it is ensured that the shape of metal shell 1.Particularly point out, when the height of metal shell 1 is more than the height of inner bag 3 and differs larger, the second support 23a is to surround inner bag 3 to set on inner bag 3, only（Or can be understood as surrounding the setting of the inwall of metal shell 1）.

Further, second groove include be located at metal shell 1 outside the first side, the second side in metal shell 1, described second while height be more than first while height.Second side is used to supporting second support 23a inwall, first while and clamps the metal shell 1 and second support 23a lower edge 14, the intensity of reinforcement metal shell 1 bottom, the moulding of robust metal shell 1 when second.

Embodiment 12：

Structure based on above-described embodiment 1 or 2, as shown in figures 26-28, the inner bag 3 is provided with spout 33, the metal shell 1 is provided with the installation gap for installing the spout 33, the spout 33 stretches out the installation gap, the width of second breach is more than the full-size of the spout 33, and the plastic stent 2 is additionally included in the spout reinforcer 24a along installation gap formation at the spout 33, and the spout reinforcer 24a is positioned on the metal shell 1.In the present invention, spout reinforcer 24a is positioned at metal shell 1 and refers to that metal shell 1 is supported to spout reinforcer 24a, can fix spout reinforcer 24a under the pressure effect of spout 33, if losing the pressure effect of spout 33, spout reinforcer 24a may drop from metal shell 1, it will not may also be dropped from metal shell 1, in addition, it is only the relation that contacts with each other between spout reinforcer 24a and spout 33, if after the support for losing metal shell 1, spout reinforcer 24a can not keep the contact relation with spout 13, it can be separated and dropped with spout 33 by gravity.

The spout reinforcer 26 is included in face of the first face of the lateral wall of spout 33, in face of the second face of the lateral wall of inner bag 3, the 3rd face in face of installation gap inner side end, second face is located at the back side in the 3rd face, on the first face, the installation gap madial wall of metal shell 1 is pressed on the 3rd face the lateral wall pressure of the spout 33.

The spout reinforcer 26 is positioned at installation gap by being connected with the first support 21a, spout reinforcer 26 and first support 21a annexation is integrally formed including spout reinforcer 26 and first support 21a/ second supports 23a herein, also it is connected including spout reinforcer 26 by reinforcement 22a with first support 21a/ second supports 23a, reinforcement 22a is located at the lower section of the spout reinforcer 26, for supporting the spout reinforcer 26.

Or, the spout reinforcer 26 also includes the fourth face in face of installation gap end face outside, and first face, the 3rd face and fourth face formation opening are towards the caulking groove of installation gap, and installation gap, which is inserted, positions spout reinforcer 26 in caulking groove.Now, spout reinforcer 26 can realize positioning with metal shell 1.Above-mentioned spout reinforcer 26 not only strengthens intensity of the metal shell 1 at installation gap, while the case ring that a circle is set along spout 33 is formed at installation gap, it is more attractive in appearance.

In addition, what those skilled in the art was readily apparent that, when the clamping engagement of the spout reinforcer 26 and installation gap is sufficiently tight, the spout reinforcer 26 can be separately provided, without being connected with first support 21a.

It need to particularly point out, first face of above-mentioned spout reinforcer 26 can also all cover the lateral surface of spout 33, that is the first face extends along the lateral surface of spout 33 and wraps up the spout 33, said structure not only improves the aesthetic property at spout 33, the color of spout reinforcer 26 can be different from metal shell 1 and set, heat-insulated effect is served again, prevents that user from scalding at spout 33.In order to more attractive in appearance, the outlet edge of spout 33 is provided with flange, and the flange covers the edge that the spout reinforcer 26 is extended at the water outlet of spout 33.

Embodiment 13：

Structure based on embodiment 3, further, as shown in Figure 29,33,34, when the metal shell 1 is additionally provided with 33 sets of spout for being wrapped in the outside of spout 33 at installation gap, the outlet edge of the spout 33 is provided with the second flange 34, and second flange 34 is supported in the upper edge 13 of 33 sets of the spout.Further, the outlet edge of the spout 33 is additionally provided with the second flanging 35, the lateral surface of spout 33 and the second flange 34 and the second flanging 35 formation groove, and the groove wraps up the upper edge 13 of spout 33.It will be apparent that 33 sets of the spout is integrally formed with metal shell 1.

The spout reinforcer 26 is included in face of the first face of the lateral wall of spout 33, in face of the second face of the lateral wall of inner bag 3, the 3rd face in face of installation gap inner side end, second face is located at the back side in the 3rd face, on the first face, the installation gap madial wall of metal shell 1 is pressed on the 3rd face the lateral wall pressure of the spout 33.The spout reinforcer 26 with the first support 21a by being even positioned at installation gap, spout reinforcer 26 and the annexation of the first support are integrally formed including spout reinforcer 26 and first support 21a/ second supports 23a herein, also it is connected including spout reinforcer 26 by reinforcement 22a with first support 21a/ second supports 23a, reinforcement 22a is located at the lower section of the spout reinforcer 26, for supporting the spout reinforcer 26.

Further, when 33 sets of the spout can not be brought into close contact with spout 33, the first face even can all wrap up the lateral surface of spout 33 along the extension of the lateral surface of spout 33.Now, the spout reinforcer 26 can be separately provided, without being connected with first support, and 26 need of spout reinforcer, which are taken, to be held at installation gap, then can clamp the spout reinforcer 26 by metal shell 1 and spout 33.

Spout 33 can produce downward pressure to spout reinforcer 24a, therefore spout 33 can clamp spout reinforcer 24a with metal shell 1, spout reinforcer 24a is set to be close to installation gap, therefore the weaker installation gap of intensity can just utilize the rigidity of spout 33 to be supported by spout reinforcer 24a, user is in use, metal shell 1 collides in the position of installation gap, the impulsive force of collision is passed to by spout 33 by spout reinforcer 24a, so that spout reinforcer 24a and metal shell 1 will not be to inner side deformation in the position of installation gap, ensure that metal shell 1 is not easy to crack in the position of installation gap, so as to improve the service life of metal shell 1, improve the usage experience of user.In addition, there is provided after spout reinforcer 24a, phase mutual friction between metal shell 1 and spout 33 can be avoided to cause spout 33 to scratch, so that it is guaranteed that the aesthetic property that product is used for a long time.

According to above-described embodiment 10 or 11 or 12 or 13, the inner surface of plastic stent 2 is provided with convex tendon, and the convex tendon extends from the madial wall of plastic stent 2 to the outer wall of inner bag 3.The convex tendon supports the outer wall of inner bag 3, simple in construction, without whole plastic stent 2 is close into the outer wall of inner bag 3, you can realize the purpose for strengthening the intensity of metal shell 1, saves material, low cost.

In summary, the structure of plastic stent 2 of the invention employs extremely simple frame structure, even if most complicated embodiment also causes the hollow out of general frame large area, remains on to the preferable support strength of metal shell 1.The plastic stent 2 of the present invention catches the key point of support to set, and realizes the support to metal shell 1.The first support 21a and second support 23a in the transverse direction of metal shell 1 well to being supported, the reinforcement 22a had both been connected to first support 21a and second support 23a, frame structure is formed, installation steps is reduced, the intensity of the in the vertical direction of metal shell 1 is strengthened again.

Above-mentioned plastic stent 2 is simple in construction, low cost, install convenient；Moreover, plastic stent 2 can combine the suitable planform of selection according to different kettle body shapes, application is extensive.The plastic stent 2 also has heat-insulated and insulation effect.

The above; the only specific embodiment of the invention; but protection scope of the present invention is not limited thereto; not be the same as Example or example described in this specification can be engaged and combined by those skilled in the art; in addition; any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims

1. a kind of kettle body structure, the kettle body includes inner bag, shell, handle, the shell side is provided with opening, and the shell is set in outside the inner bag, it is characterised in that：The shell is metal shell, the kettle body is also included located at the plastic stent between the metal shell and the inner bag, the plastic stent is used to support the metal shell, the plastic stent includes first support and second support, the first support and second support are at the opening and axially arranged along the inner bladder outer wall, and the handle covers the opening.

2. a kind of kettle body structure according to claim 1, it is characterised in that：The plastic stent also includes the 3rd support, and the 3rd support is the extending bracket for being connected and being circumferentially extended along the inner bladder outer wall with the first support or second support side.

3. a kind of kettle body structure according to claim 1, it is characterised in that：The plastic stent also includes the 3rd support, and the 3rd support is the ring support around the inner bag, and the side of the two ends of the ring support respectively with the first support and second support is connected.

4. a kind of kettle body structure according to Claims 2 or 3, it is characterised in that：The plastic stent also includes being connected with the 3rd support and along the axially arranged reinforcement of the inner bladder outer wall.

5. a kind of kettle body structure according to Claims 2 or 3, it is characterised in that：The inner bag is externally provided with spout, and the metal shell is provided with the installation gap for installing the spout, and the 3rd support is described at the kettle nozzle along installation gap formation spout reinforcer.

6. a kind of kettle body structure according to Claims 2 or 3, it is characterised in that：The plastic stent also includes the connector for connecting the first support and second support, and the connector is located at just to the position at the metal shell opening.

7. a kind of kettle body structure according to claim 6, it is characterised in that：The connector is integrally formed with the first support and second support.

8. a kind of kettle body structure according to claim 6, it is characterised in that：The annular ring that the connector is closed with the 3rd support located at the bottom or top of the first support and second support, the connector with the 3rd support formation.

9. a kind of kettle body structure according to claim 1, it is characterised in that：The first support and second support are separately fixed on the inner bag.

10. a kind of kettle body structure according to claim 1-3,7-9 any one, it is characterised in that：The metal shell opening both sides are connected with the first support and second support respectively.