Water heater list flange inner bag
Technical field
The utility model is related to pot-type boiler field, more particularly to a kind of water heater list flange inner bag.
Background technology
Inner container structure of water heater of the prior art and mounting means are varied, are connected with other pipe fittings by outreaching mouth
Connect, the position and structure for outreaching interface are different with quantity, such as with inlet channel, outlet conduit, heat exchanger, heat sensor etc. even
The position and mode for connecing are different, and the subject matter that the attachment structure of prior art is present has:Due to intake-outlet and external water pipe
The problem of fixed position and heater fixed position intensity and fixed form causes the easy leak of connecting portion or infiltration, structure
Low intensity, bearing capacity extreme difference, deform seriously in the presence of hot and cold water, potential safety hazard easily occur.Once go wrong, sternly
The situation of weight is all to change inner bag, and dismounting is inconvenient.
Utility model content
For above-mentioned the deficiencies in the prior art, the utility model have developed a kind of water heater list flange inner bag;With existing skill
Art is compared, and the utility model uses new fit system, and water inlet and delivery port are connected with the external world and use pipe screw thread, with heat
Hydrophone fixes the sealing structure for having fixing hole in the form of flange arrangement, on flange arrangement and placing sealing ring, seals it
Property is greatly increased, water-tight;Using new structure type, surfaces externally and internally and cooperation weld processing in the small kitchen treasured inner bag of plastics
Reinforcement, is significantly increased its intensity, and structure bearing capacity is strong, high temperature is indeformable.
The utility model solve technical problem technical scheme be:
A kind of water heater list flange inner bag, including inner bag housing, inner bag flange seat one, axial one end of the inner bag housing
Cylinder ring projection one is provided with, the cylindrical endoporus with inner bag flange seat one of the cylinder ring projection one is connected, the inner bag housing
Water inlet, the delivery port of radial direction are being provided with axially middle side wall, temperature biography is being provided between water inlet and delivery port
Sensor interface, the inner bag flange seat one is connected with heating pipe fixation structure.
The heating pipe fixation structure includes heating tube fixed disk, and the heating tube fixed disk outside connects with heating tube platen
Connect, heating tube is connected with heating tube fixed disk, heating tube fixed disk is connected with inner bag flange seat one, heating tube gos deep into inner bag housing
Cavity in.
The inner bag flange seat one is provided with the connecting hole of inner bag flange seat one, and the connecting hole of inner bag flange seat one includes phase
The big stomidium of insertion, small stomidium.
The inner bag flange seat one includes the cylindrical portion and the conical sections that are connected, the cylinder ring projection one
It is cylindrical respectively with the inner hole of cylindrical portion, inner surface and the outer surface at inner bag shell cover position of conical sections are matched somebody with somebody
Connection is closed, the connecting hole of inner bag flange seat one is on the axial end of cylindrical portion;The cylinder ring projection one it is cylindrical with
The inner hole welding of rapid cooling of inner bag flange seat one, the inner surface of conical sections is welded with the outer surface at inner bag shell cover position.
Described water inlet, delivery port, temperature sensor interface are provided with interface composite pipe, the interface composite pipe
Including metal insert, plastic feet, one end of the metal insert is connected with plastic feet by injection molded, and the interface is answered
It is integrated with inner bag case weld when closing pipe fitting with inner bag housing molding;The other end of the metal insert be provided with internal thread or
External screw thread.
The metal insert includes hollow circular cylinder, and the circular cylinder is in the end being connected with plastic feet
The end face positioning annular protrusion bigger than the excircle dimension of circular cylinder is provided with, outside the end of the end face positioning annular protrusion
It is raised that edge is interval with multiple uniform outer rims;The metal insert with the external cylindrical surface of plastic feet connecting portion on be provided with
Some intermediate annulars are raised;The plastic feet include base body, the base body including lateral surface, medial surface, institute
State and axial hole is provided with the middle of base body, axial hole coordinates with metal insert, and the lateral surface is the outside cylinder with inner bag housing
The curved surface that face is engaged, the outer edge line of lateral surface is lateral surface and the intersection of the external cylindrical surface of inner bag housing, the inner side
Face is provided with the radial direction base groove perpendicular to axial hole, and the broadband of the radial direction base groove matches with the wall thickness of inner bag housing
Close, the medial surface of radial direction base groove inner side is engaged with the inner cylinder face of inner bag housing, during inner bag housing injection molded
Plastics inject radial direction base groove, and one overall structure of plastic feet and inner bag hull shape is so as to inner bag housing and interface be answered
Close pipe fitting and form overall structure.
The beneficial effects of the utility model:
1. the utility model compact conformation, heat transfer efficiency is high, and medium running resistance is small, corrosion resistance and good, and uses
It is convenient for installation and maintenance, it is wide using scope.The utility model can realize electrical heating by heating tube, it is also possible to be changed by plastic tube
Hot device structure is heated with others heating medium, wide using scope.By being provided with inner bag flange seat one, inner bag flange seat one
It is reliably connected and seals with inner bag housing, and intensity of leaving home is high, reduces deformation and leakage seepage, it is safe and reliable.
2. interface composite pipe is provided with by connecting portions such as water inlet, delivery port, temperature sensor interfaces, interface is multiple
Closing pipe fitting includes metal insert, plastic feet, and one end of the metal insert is connected with plastic feet by injection molded, described
It is integrated with inner bag case weld when interface composite pipe is with inner bag housing molding;The other end of the metal insert is provided with interior spiral shell
Line or external screw thread, the connection sealing at the position that is connected between part are more reliable.In composite pipe of the present utility model and plastics
Courage body uses identical material, and using injection moulding, composite pipe is one with inner bag case weld in inner bag housing molding
Body, pipe fitting is pipe screw thread cladding internally, and connection reliability and stability is high, good airproof performance, it is to avoid connected both when using
The cracking and leakage problems of position, intensity is high, it is yielding not allow and damages, and pipe fitting is anti-rotational in stress, tensile property good,
Avoid the problem of loosening and sealing variation therebetween.
3. because inner bag flange seat connecting hole is using big stomidium, the small end pore structure for connecting, when being put into from big stomidium
Position is put into more convenient, it is to avoid the scuffing etc. of colliding with of bolt to inner bag housing and adpting flange is damaged, so that high jump product quality
With efficiency, reduction loss and production cost, then it is fastenedly connected in small end hole site, positions and connect high precision.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the stereogram one of Fig. 1;
Fig. 4 is the stereogram two of Fig. 1;
Fig. 5 is the front view of inner bag flange seat one;
Fig. 6 is the schematic diagram of inner bag flange seat one;
Fig. 7 is the stereogram of Fig. 6;
Fig. 8 is interface composite pipe front view;
Fig. 9 is another schematic diagram of interface composite pipe;
Figure 10 is the right view of Figure 12;
Figure 11 is the stereogram one of Figure 12;
Figure 12 is the stereogram two of Figure 12;
Figure 13 is the front view of plastic feet;
Figure 14 is the sectional view of Figure 17;
Figure 15 is the right view of Figure 17;
Figure 16 is the stereogram one of Figure 17;
Figure 17 is the stereogram two of Figure 17;
Figure 18 is the front view of metal insert;
Figure 19 is the partial sectional view of Figure 22;
Figure 20 is the top view of Figure 22;
Figure 21 is the upward view of Figure 22;
Figure 22 is outline drawing;
Figure 23 is the stereogram of Figure 22.
Specific embodiment
In order to more fully understand the utility model, implementation method of the present utility model is explained in detail below in conjunction with the accompanying drawings.
With reference to Fig. 1 to Figure 22, a kind of water heater list flange inner bag of the present utility model, it is adaptable to panel solar, air
In energy water heater, heat exchanger and home-use water heater liner.It is described interior including inner bag housing 71, inner bag flange seat 1
Axial one end of courage housing 71 is provided with cylinder ring projection one, the cylinder ring projection one it is cylindrical interior with inner bag flange seat 1
Hole connects, and the inner bag housing is being provided with water inlet 710, the delivery port 711 of radial direction on axially middle side wall, in water inlet
Temperature sensor interface 712 is provided between mouth and delivery port, the inner bag flange seat 1 is connected with heating pipe fixation structure.
The heating pipe fixation structure includes heating tube fixed disk 72, the outside of the heating tube fixed disk 72 and heating tube pressure
Disk 73 is connected, and heating tube is connected with heating tube fixed disk 72, and heating tube fixed disk 72 is connected with inner bag flange seat 1, heating tube
Go deep into the cavity of inner bag housing.
The inner bag flange seat 1 is provided with the connecting hole 744 of inner bag flange seat one, the connecting hole of inner bag flange seat one
744 include the big stomidium 781, the small stomidiums 782 that connect, because inner bag flange seat connecting hole is using the big stomidium for connecting, small
Stomidium structure, is put into from big stomidium position more convenient when being put into, it is to avoid bolt is drawn to inner bag housing and colliding with for adpting flange
Wound etc. is damaged, so that high jump product quality and efficiency, reduction loss and production cost, are then fastenedly connected in small end hole site,
Positioning and connection high precision.
The inner bag flange seat 1 includes the cylindrical portion 741 and the conical sections 742 that are connected, the cylinder ring
The inner hole of raised one cylindrical and cylindrical portion 741, the inner surface 743 that 742 points of cone portion and inner bag shell cover
The outer surface at position is connected, and the connecting hole 744 of inner bag flange seat one is on the axial end of cylindrical portion.
The inner hole welding of rapid cooling of the cylindrical and inner bag flange seat 1 of the cylinder ring projection one, the inner surface of conical sections with
The outer surface welding at inner bag shell cover position.By the connected mode using welding, cylinder ring raised is consolidated with inner bag housing
Surely connect more reliable.
The inner bag flange seat 1 is radially provided with some enhancing inserts, the enhancing inserts inside cylindrical portion
The thin column structure being engaged with cylindrical portion using cross sectional shape, is provided with and inner bag flange seat in thin column structure
The corresponding enhancing inserts connecting hole of connecting hole.By setting up enhancing inserts, reduce flange distortion, improve tensile strength.
Described water inlet 710, delivery port 711, temperature sensor interface 712 are provided with interface composite pipe 713, described
Interface composite pipe 713 includes metal insert 7131, plastic feet 7132, one end of the metal insert 7131 and plastic feet
7132 are connected by injection molded, are integrated with inner bag case weld when the interface composite pipe 713 is with inner bag housing molding.
The other end of the metal insert 7131 is provided with internal thread or external screw thread.
The metal insert 7131 include hollow circular cylinder 71311, the circular cylinder with plastic feet
The end of 7132 connections is provided with the end face positioning annular protrusion 71312 bigger than the excircle dimension of circular cylinder, the end face
The end outer rim for positioning annular protrusion 71312 is interval with multiple uniform outer rim projections 71313.The metal insert 7131 exists
Some intermediate annular projections 71314 are provided with the external cylindrical surface of the connecting portion of plastic feet 7132.
The plastic feet 7132 include base body, the base body including lateral surface 71321, medial surface
71322, axial hole 71323 is provided with the middle of the base body, axial hole coordinates with metal insert 7131, the lateral surface be with
The curved surface that the external cylindrical surface of inner bag housing is engaged, the outer edge line 71324 of lateral surface is that lateral surface is cylindrical with inner bag housing
The intersection of cylinder, the medial surface is provided with the radial direction base groove perpendicular to axial hole, the width of the radial direction base groove
Band is engaged with the wall thickness of inner bag housing, and the medial surface of radial direction base groove inner side matches with the inner cylinder face of inner bag housing
Close, plastics injection radial direction base groove 71325, plastic feet 7132 and inner bag hull shape one during inner bag housing injection molded
Overall structure by inner bag housing and interface composite pipe 713 so that form overall structure.
Although above-mentioned be described with reference to accompanying drawing to the specific embodiment of utility model, not to the utility model
The limitation of protection domain, on the basis of the technical solution of the utility model, those skilled in the art need not pay creativeness
Various modifications or deform still within protection domain of the present utility model that work can be made.