CN106409449A - Electric heating device - Google Patents
Electric heating device Download PDFInfo
- Publication number
- CN106409449A CN106409449A CN201610334356.8A CN201610334356A CN106409449A CN 106409449 A CN106409449 A CN 106409449A CN 201610334356 A CN201610334356 A CN 201610334356A CN 106409449 A CN106409449 A CN 106409449A
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- mentioned
- projection
- insulator
- shell
- central axis
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
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- Resistance Heating (AREA)
- Electric Stoves And Ranges (AREA)
- Insulators (AREA)
Abstract
The invention provides an electric heating device of an insulator, thereby reliably fixing a heater on a housing and achieving automatic manufacturing procedures. The electric heating device comprises a heater (3) which is kept in an insulated manner by use of an insulator (4) installed on the housing (2). The insulator is formed in a way that a first protrusion (6) and a second protrusion (7) which are orthogonal with a central axis (X) of cylindrical part (5) with a cylindrical bottom are separated from each other in the direction of the central axis and are separated around a shaft, wherein the protruding size of the second protrusion is increased compared with the first protrusion and the width of the second protrusion is increased compared with the first protrusion; a hole part corresponding to the cylindrical part and an installation hole of a notch part corresponding to the first protrusion are formed on and in the housing formed by a plate-shaped part whose axial distance is smaller than that of the first protrusion and the second protrusion; through the hole part, the cylindrical part is enabled to rotate around the central axis; and the first protrusion part can penetrate through but the second protrusion part fails to penetrate through the notch part.
Description
Technical field
The present invention relates to the electrical heating utensil with state of insulation, heater being kept using insulator.
Background technology
In the past, this electrical heating utensil was used for keeping the heaters such as sheathed heater with state of insulation using insulator
In shell (for example, referring to patent documentation 1.).And, the insulator 101 that such electrical heating utensil 100 is used generally constitutes
For as shown in figure 13, side has peristome 102 and internally has the another of the cylindrical portion 104 of insertion space 103 at one end
Side periphery is formed with flange 105, and the another side bottom 106 in above-mentioned cylindrical portion 104, is formed with diameter ratio
The little inserting hole 107 of the diameter of above-mentioned insertion space 103.As shown in figure 14, by a side insertion shape of such insulator 101
Become the installing hole 112 of shell 111, insert the end of sheathed heater 121 from above-mentioned peristome 102 to insertion space 103, and
Make this sheathed heater 121 wire portion 122 pass through above-mentioned inserting hole 107 and the another side from above-mentioned insulator 101 is exposed,
And by the bending of above-mentioned wire portion 122, thus insulator 101 is fixed on above-mentioned sheathed heater 121.And, by rod
Above-mentioned insulator 101 is similarly installed, by above-mentioned sheathed heater 121 at the both ends of above-mentioned sheathed heater 121 of shape
It is fixed on above-mentioned shell 111.In addition it is also possible to replace the bending of above-mentioned wire portion 122, and fixing not in above-mentioned wire portion 122
The adapter of diagram, and in above-mentioned sheathed heater 121, above-mentioned insulator 101 is installed, thus similarly above-mentioned sheath is heated
Device 121 is fixed on above-mentioned shell 111.
Prior art literature
Patent documentation 1：Japanese Unexamined Patent Publication 5-33949 publication
However, in the situation that using such insulator 101, above-mentioned sheathed heater 121 is fixed on above-mentioned shell 111
Under, the bending of above-mentioned wire portion 122 typically to be carried out by staff.Accordingly, there exist the operation hardly possible installing above-mentioned sheathed heater 121
Problem with mechanization.And, exist in the case of wire portion 122 bending by above-mentioned sheathed heater 121, heated sealed
The worry of the bolt meeting breakage of pipe 123.On the other hand, exist in the case that adapter is fixed on above-mentioned wire portion 122, when upper
When stating the combination of wire portion 122 and adapter and relieving, what the fixation of above-mentioned sheathed heater 121 and shell 111 also released asks
Topic.
Content of the invention
It is an object of the invention to provide a kind of employing can solve the problem that above problem points, be securely fixed heater
In shell and can make automatization of manufacturing process insulator electrical heating utensil.
Electrical heating utensil described in the solution of the present invention 1 be configured to have shell, the insulator being installed on this shell, with
And the heater by this insulator dielectric, wherein, above-mentioned insulator has the cylindrical portion having bottom tube-like that a side is opened wide, at this
The bottom of the another side of cylindrical portion is formed with inserting hole, in above-mentioned cylinder in the way of the central axis with above-mentioned cylindrical portion intersects
The outer surface in shape portion is formed with the first projection and the second projection, is disposed separately above-mentioned first in above-mentioned central axial direction
Projection and the second projection, and be formed as the shape forming direction and the second projection of above-mentioned first projection that staggers around above-mentioned central axis
Become direction, and, above-mentioned shell by than the first projection of above-mentioned insulator and the central axial direction of the second projection apart from thin
Plate-shaped member is constituted, and is formed with installing hole in this shell, and this installing hole is configured to there is circle corresponding with above-mentioned cylindrical portion
Hole portion and notch corresponding with above-mentioned first projection, above-mentioned circular hole portion is formed as making above-mentioned cylindrical portion turn around central axis
Dynamic internal diameter size, and above-mentioned notch be formed as above-mentioned first projection can pass through and above-mentioned second projection is impenetrable
Size.
And, the electrical heating utensil described in the solution of the present invention 2 is configured to, in scheme 1, it is provided with above-mentioned insulator
Above-mentioned second projection that is multiple and identical with the number of above-mentioned first projection or becoming multiple, and with above-mentioned central axis as base
Accurate and arrange equiangularly spacedly above-mentioned second projection and setting multiple in the case of above-mentioned first projection.
And, the electrical heating utensil described in the solution of the present invention 3 is configured to, in scheme 2, by above-mentioned second projection
Number be set to n in the case of, form above-mentioned first projection and the second projection around central axis π/n ground that staggers.
And, the electrical heating utensil described in the solution of the present invention 4 is configured to, in the either a program of scheme 1 to 3,
The notch of above-mentioned shell is provided with contact piece, and this contact piece is used for abutting with above-mentioned second projection and limiting above-mentioned insulator
Slewing area.
In addition, the electrical heating utensil described in the solution of the present invention 5 is configured to, in the either a program of scheme 1 to 4,
Above-mentioned second raised sides in above-mentioned first projection are formed with recess, and are formed with, in above-mentioned shell, the card engaging with this recess
Determine claw.
The effect of invention is as follows.
Electrical heating utensil described in the solution of the present invention 1 is constructed as described above, thus by by above-mentioned insulator from above-mentioned the
One raised sides insert above-mentioned installing hole, and are allowed to around center axis thereof, easily can be installed on above-mentioned insulator above-mentioned
Shell, thereby, it is possible to easily make heater be held in shell with state of insulation.
Additionally, being provided with multiple and identical with the number of above-mentioned first projection or becoming multiple above-mentioned the in above-mentioned insulator
Two projections, and above-mentioned second projection is set on the basis of above-mentioned central axis equiangularly spacedly and multiple feelings are set
Above-mentioned first projection under condition, thus in the situation that makes above-mentioned insulator rotate clockwise around central axis and rotate counterclockwise
The notch of above-mentioned installing hole under the either case of situation, can be blocked using above-mentioned second projection, therefore also can make
Either direction rotates to install to the left and right to state insulator.
And, in the case that the number of above-mentioned second projection is set to n, make above-mentioned first projection and the second projection around in
Heart axis misalignment π/n, thus make above-mentioned insulator around central axis situation about rotating clockwise and situation about rotating counterclockwise
Either case under, can be allowed to identical angular turn, therefore, it is possible to by the direction of the insulator in electrical heating utensil
Alignment.
And, by the notch in above-mentioned shell, it is provided for being connected to above-mentioned second projection to limit above-mentioned insulation
The contact piece of the slewing area of son, can easily carry out the para-position of above-mentioned insulator.
Further, since above-mentioned second raised sides in above-mentioned first projection form recess, and formed in above-mentioned shell
The locking pawl engaging with this recess, so by above-mentioned locking pawl is embedded above-mentioned recess, can stop above-mentioned insulator
Rotation, thereby, it is possible to stop above-mentioned insulator from coming off from above-mentioned shell.
Brief description
Fig. 1 is the front view of the baking box of the electric heating equipment of the first embodiment being denoted as the present invention.
Fig. 2 is the axonometric chart of the insulator of the electric heating equipment of first embodiment.
Fig. 3 is the outside drawing of the insulator of the electric heating equipment of first embodiment, and Fig. 3 (a) is front view, and Fig. 3 (b) is
Rearview, Fig. 3 (c) is top view, and Fig. 3 (d) is right view.
Fig. 4 is the sectional view of the insulator of the electric heating equipment of first embodiment, and Fig. 4 (a) is that the A-A in Fig. 3 (a) cuts open
View, Fig. 4 (b) is B-B sectional view.
Fig. 5 represents the major part of the shell of the electric heating equipment of first embodiment, and Fig. 5 (a) is from plate-shaped member
The outside drawing with a side corresponding installing hole periphery of sheathed heater is observed in another surface side, and Fig. 5 (b) is the C- in Fig. 5 (a)
C sectional view, Fig. 5 (c) is to observe installing hole week corresponding with the another side of sheathed heater from another surface side of plate-shaped member
The outside drawing on side.
Fig. 6 is the explanation of electric heating equipment, install insulator towards shell the erection sequence representing first embodiment
Figure.
Fig. 7 is the explanation of electric heating equipment, install insulator towards shell the erection sequence representing first embodiment
Figure.
Fig. 8 is the explanation of electric heating equipment, install insulator towards shell the erection sequence representing first embodiment
Figure.
Fig. 9 is the explanation of electric heating equipment, install insulator towards shell the erection sequence that first embodiment is described
Figure.
Figure 10 is the figure of the major part of the baking box of the electric heating equipment being denoted as second embodiment of the present invention, figure
10 (a) is the front view of insulator, and Figure 10 (b) is the outside drawing observing installing hole periphery from another surface side of plate-shaped member.
Figure 11 is the figure of the major part of the baking box of the electric heating equipment being denoted as third embodiment of the present invention, figure
11 (a) is the front view of insulator, and Figure 11 (b) is the outside drawing observing installing hole periphery from another surface side of plate-shaped member.
Figure 12 is the installing hole week other embodiments, observing from another surface side of plate-shaped member representing the present invention
The outside drawing on side.
Figure 13 is the figure representing the conventional insulator of electric heating equipment, and Figure 13 (a) is front view, and Figure 13 (b) is Figure 13
A the Z-Z sectional view in (), Figure 13 (c) is axonometric chart.
Figure 14 is to represent the conventional electric heating equipment, explanatory diagram of erection sequence install insulator towards shell.
In figure：
1 baking box (electrical heating utensil), 2,31,51 shells, 3 sheathed heaters (heater), 4,32,52 insulation
Son, 5,33,53 cylindrical portion, 6,34,54 first projections, 7,35,55 second projections, 10,38,58 bottoms, 11,39,
59 inserting holes, 12 recesses, 13,40,60 plate-shaped members, 14,41,61 installing holes, 15,42,62 circular hole portions, 16,
16A, 16B, 43,63,63B notch, 17,45,65 contact pieces, 22,46,66 locking pawl, X central axis.
Specific embodiment
Hereinafter, based on Fig. 1 to Fig. 9, embodiments of the present invention are illustrated.1 is the electric heating equipment as the present invention
Baking box.This baking box 1 is configured to shell 2, sheathed heater 3 and insulator 4.
Above-mentioned insulator 4 is integrally formed by pottery.And, above-mentioned insulator 4 is configured to cylindrical portion 5, first
Projection 6 and the second projection 7.
Above-mentioned cylindrical portion 5 is formed as outer diameter D1Bottomed cylindrical.It is formed with peristome 8 in the side of above-mentioned cylindrical portion 5,
Internally it is formed with internal diameter D2Insertion space 9, and in opposite side, there is bottom 10.And, in the central authorities of above-mentioned bottom 10
It is formed with internal diameter D3Inserting hole 11.
Above-mentioned first projection 6 is formed at position at the two of the end of side of above-mentioned cylindrical portion 5.Additionally, above-mentioned first is prominent
Play 6 and extend formation along radiation direction on the basis of the central axis X of above-mentioned cylindrical portion 5.And, above-mentioned first projection 6 is formed
Rectangular-shaped for fillet.In addition, two above-mentioned first projections 6 are axisymmetrically arranged on the basis of above-mentioned central axis X.And
And, it is formed with recess 12 in the base end side of the opposite side of above-mentioned first projection 6.Additionally, above-mentioned first projection 6 from above-mentioned center
The overhang that axis X projects is P1.And, the width of above-mentioned first projection 6, i.e. orthogonal with above-mentioned central axis X and with more than
The size stating above-mentioned first projection 6 on the orthogonal direction of the radiation direction on the basis of central axis X is W1.
Above-mentioned first projection 6 of ratio position at the two of opposite side that above-mentioned second projection 7 is formed at above-mentioned cylindrical portion 5.
And, above-mentioned second projection 7 by between above-mentioned first projection 6 on above-mentioned central axis X direction shape in the way of G separated by a distance
Become.Additionally, above-mentioned second projection 7 is extended along radiation direction on the basis of the central axis X of above-mentioned cylindrical portion 5 being formed.And,
Above-mentioned second projection 7 is formed as the rectangular-shaped of fillet.In addition, two above-mentioned second projections 7 are on the basis of above-mentioned central axis X
And axisymmetrically arrange.And, above-mentioned second projection 7 with respect to above-mentioned first projection 6 around central axis X stagger pi/2, i.e. 90 °
Ground is formed.Additionally, the overhang projecting from above-mentioned central axis X of above-mentioned second projection 7 is P2.And, above-mentioned second projection 7
Width, on i.e. orthogonal with above-mentioned central axis X and orthogonal with the radiation direction on the basis of above-mentioned central axis X direction
The size of above-mentioned second projection 7 is W2.
Above-mentioned shell 2 is made up of the plate-shaped member 13 such as metallic plate of thickness T.Additionally, the thickness T of this plate-shaped member 13 is than upper
Above-mentioned first projection 6 stating insulator 4 is little apart from G on central axis X direction with the second projection 7.And, in this plate-like portion
Part 13 is formed with installing hole 14.This installing hole 14 is described in detail.This installing hole 14 be configured to circular hole portion 15 and
Two notch 16.Above-mentioned circular hole portion 15 is corresponding with the cylindrical portion 5 of above-mentioned insulator 4 and is formed as diameter D4Circle.Additionally,
The diameter D in above-mentioned circular hole portion 154Outer diameter D than the cylindrical portion 5 of above-mentioned insulator 41Greatly.And, above-mentioned notch 16 is exhausted with above-mentioned
First projection 6 of edge 4 corresponds to and is formed as the square of fillet.Additionally, the width W of a notch 16A3Be formed as than another
The width W of one notch 16B4Little.And, from the center Y in above-mentioned circular hole portion 15 to the front end of above-mentioned notch 16
Distance is P3, and equal at two notch 16A, 16B.And, the lateral margin 18 in another notch 16B, to above-mentioned plate
It is formed with contact piece 17 to one surface side bending of shape part 13.Additionally, above-mentioned notch 16B is to widen to above-mentioned lateral margin 18 side
Mode is formed, thus its width W4Be formed as the width W than above-mentioned notch 16A3Greatly.That is, the lateral margin 18 of above-mentioned notch 16B
Not with the lateral margin 19 of corresponding above-mentioned notch 16A on the basis of the center Y in above-mentioned circular hole portion 15 point symmetry, but above-mentioned
Another lateral margin 20 of notch 16B and another lateral margin 21 of corresponding above-mentioned notch 16A are with the center Y in above-mentioned circular hole portion 15
On the basis of and point symmetry.And, above-mentioned notch 16B from lateral margin 20 to above-mentioned contact piece 17 apart from W5Cut than above-mentioned
The width W of oral area 16A3Greatly, the width W and than above-mentioned notch 16B4Little.Additionally, P1＜ P3＜ P2.And, W1＜ W3＜ W5＜
W2.In addition, in above-mentioned plate-shaped member 13, being formed with locking pawl 22 in the way of cutting above-mentioned installing hole 14.This locking pawl
22 pass through another surface side bending to above-mentioned plate-shaped member 13, and recess 12 interpolation of first raised 6 to above-mentioned insulator 4
Enter.
It is known that in above-mentioned sheathed heater 3, in diameter D5Heating tube 23 be inserted into heater (not shown) and
Insulating powder, and diameter D6Wire portion 24 the end of above-mentioned heating tube 23 project.Additionally, above-mentioned heating tube 23 is straight
Footpath D5Internal diameter D than the insertion space 9 of above-mentioned insulator 42Slightly smaller.And, the diameter D of above-mentioned wire portion 246Than above-mentioned insulator
The internal diameter D of 4 inserting hole 113Little.
Next, installing above-mentioned sheath heating in the manufacturing process of the baking box 1 of present embodiment, towards above-mentioned shell 2
The order of device 3 and insulator 4 illustrates.First, as shown in figure 5, another surface side of plate-shaped member 13 from above-mentioned shell 2
Insert a side of above-mentioned sheathed heater 3 towards above-mentioned installing hole 14.And, to cover the one end of this sheathed heater 3
Above-mentioned insulator 4 is stated installing hole 14 from a surface side of above-mentioned plate-shaped member 13 and is inserted by mode upward.Now, above-mentioned insulator 4
The first projection 6 pass through the notch 16 of above-mentioned installing hole 14.Additionally, as noted previously, as P1＜ P3And W1＜ W3, more than institute
State the first projection 6 and can pass through above-mentioned notch 16.And, due to D2＞ D5And D3＞ D6, so above-mentioned sheathed heater 3
The insertion space 9 of above-mentioned insulator 4 is inserted in the end of heating tube 23, and above-mentioned wire portion 24 inserts inserting of above-mentioned insulator 4
Through hole 11.As shown in fig. 6, above-mentioned insulator 4 insertion is until above-mentioned second projection 7 is connected to a surface side of above-mentioned plate-shaped member 13
Face.
As noted previously, as G ＞ T and D1＜ D4, so above-mentioned insulator 4 can be to be inserted in the shape of above-mentioned installing hole 14
State rotates around central axis X.And, in the way of to become the state of Fig. 7 from the state of Fig. 6, centered on above-mentioned central axis X
Above-mentioned insulator 4 is made to rotate pi/2 (=90 °).In this example, such as shown in Fig. 6 (a) and Fig. 7 (a), from above-mentioned plate-shaped member 13
Another surface side observe in the case of, be allowed to rotate counterclockwise pi/2 (=90 °).So, if making above-mentioned insulator 4 rotate, one
Fang Shangshu the second projection 7 is connected to above-mentioned contact piece 17, and stops above-mentioned insulator 4 from further rotating.Under this state, one
The recess 12 of Fang Shangshu the first projection 6 is opposed with above-mentioned locking pawl 22.And, two above-mentioned second projections 7 respectively become with
The overlapping position of notch 16A, 16B.And, as noted previously, as P3＜ P2And W3＜ W5＜ W2, so above-mentioned second projection 7
Above-mentioned notch 16 cannot be passed through.On the other hand, above-mentioned first projection 6 becomes the position away from above-mentioned notch 16.Therefore, on
State insulator 4 to come off along central axis X direction from above-mentioned installing hole 14.And, due to W4＞ W5And D1＜ D4, so
Produce micro gap between above-mentioned second projection 7 and lateral margin 18 and between above-mentioned cylindrical portion 5 and circular hole portion 15, and above-mentioned cut
The major part of oral area 16 is blocked by above-mentioned second projection 7.In addition, as shown in figure 8, passing through above-mentioned locking pawl 22 to above-mentioned plate
Another surface side bending of shape part 13, and be inserted in the recess 12 of above-mentioned first projection 6, to stop above-mentioned insulator 4
Rotation around central axis X.Therefore, in above-mentioned insulator 4 after central axis X rotation, above-mentioned insulator 4 will not be along this center
Axis X and to above-mentioned plate-shaped member 13 one surface side depart from.
Additionally, as shown in Fig. 4 (c), with the corresponding installing hole 14 ' of another side of above-mentioned sheathed heater 3 with respect to right
It is symmetrical that the installing hole 14 of Ying Yuyi side is formed as face.In the case of being somebody's turn to do, above-mentioned insulator 4 is only rotating clockwise in Fig. 4 (c)
The aspect of pi/2 (=90 °) is different, and is similarly installed on above-mentioned shell 2.And, as described above, in above-mentioned insulator 4, relatively
In cylindrical portion 5, the first projection 6 and the second projection 7 are axisymmetrically set respectively, and above-mentioned first projection 6 and the second projection 7
Staggered on the basis of central axis X pi/2 (=90 °), i.e. by first projection 6 and adjacent two the second projection 7 institutes
The angle becoming is equal, even if so either direction rotates to the left and right around central axis X, becoming identical also relative to above-mentioned shell 2
Posture.Therefore, situation about whether deasil installing, situation about still widdershins installing, can use common
Above-mentioned insulator 4.
So, if by installing above-mentioned insulator 4 in above-mentioned shell 2, and above-mentioned sheathed heater is kept with state of insulation
3, then do not need the bending of above-mentioned wire portion 24, thus can not only realize for above-mentioned sheathed heater 3 being installed on above-mentioned shell 2
Operation mechanization additionally it is possible to suppression seal above-mentioned heating tube 23 bolt (not shown) breakage.And, will be (not shown)
In the case that adapter is fixed on above-mentioned wire portion 24, even if above-mentioned wire portion 24 is released with the combination of adapter, above-mentioned insulation
Son 4 also continues to be held in above-mentioned shell 2, thus above-mentioned sheathed heater 3 also continues to be held in above-mentioned shell 2.
As described above, the baking box 1 as the electrical heating utensil of the present invention is configured to have shell 2, is installed on this shell 2
Insulator 4 and the heater 3 being kept by insulation using this insulator 4, above-mentioned insulator 4 have one side open wide have bottom
The cylindrical portion 5 of tubular, is formed with inserting hole 11 in the bottom 10 of the another side of this cylindrical portion 5, with above-mentioned cylindrical portion 5 in
The orthogonal mode of heart axis X is formed with the first projection 6 and the second projection 7 in the outer surface of cylindrical portion 5, in above-mentioned central axis
Above-mentioned first projection 6 and the second projection 7 are disposed separately on X-direction, and are formed as staggering above-mentioned first around above-mentioned central axis X
The formation direction forming direction and the second projection 7 of projection 6, and, compare from above-mentioned central axis X to above-mentioned first projection 6
Front end till prominent size P1And increase from above-mentioned central axis X the prominent chi to the front end of above-mentioned second projection 7
Very little P2, compare width size W of above-mentioned first projection 6 orthogonal with above-mentioned central axis X and projected direction1And increase
Width size W of above-mentioned second projection 7 orthogonal with above-mentioned central axis X and projected direction2, above-mentioned shell 2 by than
First projection 6 of above-mentioned insulator 4 is constituted apart from the thin plate-shaped member of G 13 with the central axis X direction of the second projection 7, at this
Shell 2 forms installing hole 14, and this installing hole 14 be configured to have circular hole portion 15 corresponding with above-mentioned cylindrical portion 5 and with upper
State the corresponding notch 16 of the first projection 6, above-mentioned circular hole portion 15 is formed as making above-mentioned cylindrical portion 5 rotate around central axis X
Internal diameter size D4, and above-mentioned notch 16 be formed as above-mentioned first projection 6 can pass through and above-mentioned second projection 7 can not wear
The size crossed, thus above-mentioned insulator 4 is inserted above-mentioned installing hole 14 from above-mentioned first projection 6 side, and is allowed to around central axis X
Rotate, and easily above-mentioned insulator 4 can be installed on above-mentioned shell 2, thus, can not only easily make sheathed heater
3 are held in shell 2 with state of insulation, are not necessary in the manufacture of baking box 1 bend the wire portion 24 of sheathed heater 3, because
This can make automatization of manufacturing process.
And, in the baking box 1 as the electrical heating utensil of the present invention, arrange multiple and with above-mentioned in above-mentioned insulator 4
The number of one projection 6 is identical or above-mentioned second projection 7 that become multiple, and on the basis of above-mentioned central axis X angularly
Be positioned apart from above-mentioned second projection 7 and setting multiple in the case of above-mentioned first projection 6, thus making above-mentioned insulator
4 under the either case of the situation that central axis X rotates clockwise and situation about rotating counterclockwise, and can utilize above-mentioned second
Projection 7 blocks the notch 16 of above-mentioned installing hole 14, and either direction rotates to pacify to the left and right therefore also can to make above-mentioned insulator 4
Dress.
And, in the baking box 1 as the electrical heating utensil of the present invention, number n of above-mentioned second projection 7 is 2, and passes through
Above-mentioned first projection 6 and the second projection 7 is made to stagger pi/2 (=90 °) around central axis X, thus making above-mentioned insulator 4 around center
In the situation that axis X rotates clockwise and the either case of situation that rotates counterclockwise, all it is allowed to rotate pi/2 (=90 °), therefore
Can be by the insulator 4 in baking box 1 towards alignment.
And, in the baking box 1 as the electrical heating utensil of the present invention, by the notch 16B in above-mentioned shell 2, arrange
For being connected to the contact piece 17 that above-mentioned second projection 7 to limit the slewing area of above-mentioned insulator 4, can easily carry out on
State the para-position of insulator 4.
In addition, in baking box 1 as the electrical heating utensil of the present invention, due to dashing forward above-mentioned the second of above-mentioned first projection 6
Play 7 sides and form recesses 12, and form, in above-mentioned shell 2, the locking pawl 22 that engages with this recess 12, so pass through will be above-mentioned
Locking pawl 22 embeds above-mentioned recess 12, can stop the rotation of above-mentioned insulator 4, thereby, it is possible to stop above-mentioned insulator 4 from
Above-mentioned shell 2 comes off.
Next, being illustrated to second embodiment of the present invention based on Figure 10.The baking box of this second embodiment with
First embodiment is identical, has shell 31, sheathed heater (not shown) and insulator 32.As shown in Figure 10 (a), insulation
Son 32 is configured to cylindrical portion 33, the first projection 34 and the second projection 35.Above-mentioned cylindrical portion 33 is formed with out in a side side
Oral area 36, is internally formed with insertion space 37, and has bottom 38 in the opposing party side.And, in above-mentioned bottom 38
Centre is formed with inserting hole 39.
Above-mentioned first projection 34 is formed at position at the one of the end of a side side of above-mentioned cylindrical portion 33.Additionally, this first
Projection 34 is extended along radiation direction on the basis of the central axis of above-mentioned cylindrical portion 33 and is formed.And, above-mentioned first projection 34
Be formed as the rectangular-shaped of fillet.And, the base end side in the opposing party side of above-mentioned first projection 34 is formed with (not shown) recessed
Portion.
Above-mentioned first projection 34 of ratio that above-mentioned second projection 35 is formed at above-mentioned cylindrical portion 33 leans on position at the two of the opposing party side
Put.And, above-mentioned second projection 35 between above-mentioned first projection 34 in above-mentioned central axial direction interval side
Formula is formed.Additionally, above-mentioned second projection 35 is extended along radiation direction on the basis of the central axis of above-mentioned cylindrical portion 33 being formed.
And, above-mentioned second projection 35 is formed as the rectangular-shaped of fillet.In addition, two above-mentioned second projections 35 are with above-mentioned central axis
On the basis of and axisymmetrically arrange.And, above-mentioned second projection 35 with respect to above-mentioned first projection 34 around central axis stagger π/
2nd, i.e. 90 ° of ground are formed.Additionally, the relation of the overhang of above-mentioned first projection 34 and the second projection 35 and width and the first enforcement
Mode is identical.
Above-mentioned shell 31 is made up of the plate-shaped members such as metallic plate 40.Additionally, the thickness of this plate-shaped member 40 is than above-mentioned insulation
The distance in central axial direction is little with the second projection 35 for above-mentioned first projection 34 in son 32.And, in this plate-shaped member
40 are formed with installing hole 41.This installing hole 41 is described in detail.This installing hole 41 is configured to circular hole portion 42 and one
Notch 43.Above-mentioned circular hole portion 42 is corresponding with the cylindrical portion 33 of above-mentioned insulator 32 and be formed as circular.Additionally, above-mentioned circular hole portion
The external diameter of the cylindrical portion 33 than above-mentioned insulator 32 for 42 diameter is big.And, the of above-mentioned notch 43 and above-mentioned insulator 32
One projection 34 corresponds to and is formed as the square of fillet.And, the lateral margin 44 in notch 43, to the one side of above-mentioned plate-shaped member 40
It is formed with contact piece 45 to side bending.In addition, in above-mentioned plate-shaped member 40, being formed with card in the way of cutting above-mentioned installing hole 41
Determine claw 46.This locking pawl 46 passes through another surface side bending to above-mentioned plate-shaped member 40, and the to above-mentioned insulator 32
The recess of one projection 34 is inserted into.Additionally, the size relationship of above-mentioned first projection 34, the second projection 35 and notch 43 and
The size relationship of first projection 6, the second projection 7 and notch 16B of one embodiment is identical.And, present embodiment
The permanent order of above-mentioned insulator 32 is different from first embodiment, is to rotate clockwise pi/2 (=90 °).Other orders with
First embodiment is identical.
Additionally, the insulator 32 of second embodiment also can be installed on the installing hole 14 of the shell 2 of first embodiment.
Should in the case of, after insulator 32 being inserted installing hole 14 in the way of making the first projection 34 pass through notch 16A, be allowed to around in
Heart axis rotates.It is additionally, since and is provided with two the second projections 35 in above-mentioned insulator 32, so utilizing above-mentioned second projection 35 1
Act notch 16A, the 16B blocking above-mentioned installing hole 14.
Next, being illustrated to third embodiment of the present invention based on Figure 11.The baking box of the 3rd embodiment with
The respective embodiments described above are identical, have shell 51, sheathed heater (not shown) and insulator 52.As shown in Figure 11 (a), absolutely
Edge 52 is configured to cylindrical portion 53, the first projection 54 and the second projection 55.Above-mentioned cylindrical portion 53 is formed with a side side
Peristome 56, is internally formed with insertion space 57, and has bottom 58 in the opposing party side.And, in above-mentioned bottom 58
Central authorities are formed with inserting hole 59.
Above-mentioned first projection 54 is formed at position at the three of the end of a side side of above-mentioned cylindrical portion 53.Additionally, above-mentioned
One projection 54 is extended along radiation direction on the basis of the central axis of above-mentioned cylindrical portion 53 and is formed.And, above-mentioned first projection
54 are formed as the rectangular-shaped of fillet.In addition, above-mentioned first projection 54 is equiangularly spaced, i.e. every 2 π/3 (=120 °) landform
Become.And, the base end side in the opposing party side of above-mentioned first projection 54 is formed with recess (not shown).
Above-mentioned first projection 54 of ratio that above-mentioned second projection 55 is formed at above-mentioned cylindrical portion 53 leans on position at the three of the opposing party side
Put.And, above-mentioned second projection 55 between above-mentioned first projection 54 in above-mentioned central axial direction interval side
Formula is formed.Additionally, above-mentioned second projection 55 is extended along radiation direction on the basis of the central axis of above-mentioned cylindrical portion 53 being formed.
And, above-mentioned second projection 55 is formed as the rectangular-shaped of fillet.In addition, three above-mentioned second projections 55 are equiangularly spaced, i.e.
Formed every 2 π/3 (=120 °).And, above-mentioned second projection 55 staggers around central axis with respect to above-mentioned first projection 54
π/3, i.e. 60 ° ground is formed.Additionally, the relation of the overhang of above-mentioned first projection 54 and the second projection 55 and width is real with first
Apply mode identical.
Above-mentioned shell 51 is made up of the plate-shaped members such as metallic plate 60.Additionally, the thickness of this plate-shaped member 60 is than above-mentioned insulation
The distance in central axial direction is little with the second projection 55 for above-mentioned first projection 54 in son 52.And, in this plate-shaped member
60 are formed with installing hole 61.This installing hole 61 is described in detail.This installing hole 61 is configured to circular hole portion 62 and three
Notch 63.Above-mentioned circular hole portion 62 is corresponding with the cylindrical portion 53 of above-mentioned insulator 52 and be formed as circular.Additionally, above-mentioned circular hole portion
The external diameter of the cylindrical portion 53 than above-mentioned insulator 52 for 62 diameter is big.And, the of above-mentioned notch 63 and above-mentioned insulator 52
One projection 54 corresponds to and is formed as the square of fillet.And, the lateral margin 64 in a notch 63B, to above-mentioned plate-shaped member 60
A surface side bending be formed with contact piece 65.In addition, in above-mentioned plate-shaped member 60, shape in the way of cutting above-mentioned installing hole 61
Become to have locking pawl 66.This locking pawl 66 passes through another surface side bending to above-mentioned plate-shaped member 60, and to above-mentioned insulator
The recess of 52 the first projection 54 is inserted into.Additionally, the size of above-mentioned first projection 54, the second projection 55 and notch 63 is closed
System is identical with the size relationship of first projection 6, the second projection 7 and notch 16 of first embodiment.And, this embodiment party
The permanent order of the above-mentioned insulator 52 of formula is different from first embodiment, rotates counterclockwise π/3 (=60 °).Other
Order is identical with first embodiment.
Additionally, the present invention is not limited to above embodiment, various changes can be carried out in the range of the main idea of invention
Shape.For example, in the respective embodiments described above, it is provided with contact piece but it is also possible to as shown in Figure 12 (a), install in a notch
Each of multiple notch 82 in hole 81 arranges contact piece 83.And, in the respective embodiments described above, be provided only with one locking
Claw is but it is also possible to as shown in Figure 12 (b), corresponding with the recess located at each first projection, and with identical with above-mentioned recess number
Mode locking pawl 91 is set.
Industrial applicability
In the present embodiment, baking box is used to be illustrated as electrical heating utensil, in a word, if solid using insulator
The electrical heating utensil determining heater just can be applied, for example, can also apply to heating installation, other electrical heating cooking apparatus.
Claims (5)
1. a kind of electrical heating utensil, consists of and has shell, is installed on the insulator of this shell and by this insulator dielectric
Heater, above-mentioned electrical heating utensil is characterised by,
Above-mentioned insulator has the cylindrical portion having bottom tube-like that a side is opened wide, and is formed in the bottom of the another side of this cylindrical portion
There is inserting hole, the outer surface in above-mentioned cylindrical portion is formed with the first projection in the way of the central axis with above-mentioned cylindrical portion intersects
And second projection, above-mentioned first projection and the second projection are disposed separately on above-mentioned central axial direction, and be formed as around
Above-mentioned central axis staggers the formation direction forming direction and the second projection of above-mentioned first projection, and,
Above-mentioned shell by than the first projection of above-mentioned insulator and the central axial direction of the second projection apart from thin plate-shaped member
Constitute, be formed with installing hole in this shell, and this installing hole be configured to have circular hole portion corresponding with above-mentioned cylindrical portion and with
The corresponding notch of above-mentioned first projection, above-mentioned circular hole portion is formed as to make above-mentioned cylindrical portion around the internal diameter of center axis thereof
Size, and above-mentioned notch be formed as above-mentioned first projection can pass through and the impenetrable size of above-mentioned second projection.
2. electrical heating utensil according to claim 1 it is characterised in that
It is provided with above-mentioned second projection that is multiple and identical with the number of above-mentioned first projection or becoming multiple in above-mentioned insulator, and
And arranged on the basis of above-mentioned central axis equiangularly spacedly above-mentioned second projection and setting multiple in the case of upper
State the first projection.
3. electrical heating utensil according to claim 2 it is characterised in that
In the case that the number of above-mentioned second projection is set to n, around central axis stagger π/n ground formed above-mentioned first projection and
Second projection.
4. the electrical heating utensil according to any one of claims 1 to 3 it is characterised in that
The notch of above-mentioned shell is provided with contact piece, this contact piece is used for being abutted with above-mentioned second projection and limits above-mentioned exhausted
The slewing area of edge.
5. the electrical heating utensil according to any one of Claims 1 to 4 it is characterised in that
Above-mentioned second raised sides in above-mentioned first projection are formed with recess, and are formed with and this recess card in above-mentioned shell
The locking pawl closed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015114154A JP2017004616A (en) | 2015-06-04 | 2015-06-04 | Electric heating equipment |
| JP2015-114154 | 2015-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106409449A true CN106409449A (en) | 2017-02-15 |
Family
ID=57752167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610334356.8A Pending CN106409449A (en) | 2015-06-04 | 2016-05-19 | Electric heating device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2017004616A (en) |
| CN (1) | CN106409449A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5781309U (en) * | 1980-11-05 | 1982-05-19 | ||
| JPH0533949A (en) * | 1991-07-30 | 1993-02-09 | Daikin Ind Ltd | Electric radiant heater |
| JPH09152134A (en) * | 1995-11-29 | 1997-06-10 | Tec Corp | Oven toaster |
| CN2607426Y (en) * | 2003-01-18 | 2004-03-24 | 鸿富锦精密工业（深圳）有限公司 | Pivoting structure |
| CN203522446U (en) * | 2013-09-12 | 2014-04-02 | 珠海格力电器股份有限公司 | Motor and detector fixing base thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS608388Y2 (en) * | 1978-11-27 | 1985-03-25 | 東芝テック株式会社 | Heating element mounting device |
| JPS57175526U (en) * | 1981-04-24 | 1982-11-06 | ||
| JPS5975607U (en) * | 1982-11-13 | 1984-05-22 | 象印マホービン株式会社 | Electric cooker heater terminal mounting structure |
| US6222133B1 (en) * | 1999-05-05 | 2001-04-24 | Camco Inc. | One-piece ceramic terminal insulator mounting arrangement |
-
2015
- 2015-06-04 JP JP2015114154A patent/JP2017004616A/en active Pending
-
2016
- 2016-05-19 CN CN201610334356.8A patent/CN106409449A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5781309U (en) * | 1980-11-05 | 1982-05-19 | ||
| JPH0533949A (en) * | 1991-07-30 | 1993-02-09 | Daikin Ind Ltd | Electric radiant heater |
| JPH09152134A (en) * | 1995-11-29 | 1997-06-10 | Tec Corp | Oven toaster |
| CN2607426Y (en) * | 2003-01-18 | 2004-03-24 | 鸿富锦精密工业（深圳）有限公司 | Pivoting structure |
| CN203522446U (en) * | 2013-09-12 | 2014-04-02 | 珠海格力电器股份有限公司 | Motor and detector fixing base thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017004616A (en) | 2017-01-05 |
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Application publication date: 20170215 |