It is provided with the double flange inner bags of water heater of plastic heat exchanger
Technical field
The utility model is related to pot-type boiler field, more particularly to a kind of double flanges of water heater for being provided with plastic heat exchanger
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 double methods of water heater for being provided with plastic heat exchanger
Blue inner bag;Compared with prior art, the utility model uses new fit system, water inlet and delivery port to be connected with the external world and used
Be pipe screw thread, with water heater fix have using flange arrangement in the form of, on flange arrangement fixing hole and placement sealing ring it is close
Seal structure, greatly increases its sealing, water-tight;Using new structure type, in the double flanges of the water heater of plastic heat exchanger
The surfaces externally and internally of (small kitchen is precious) inner bag and cooperation weld (processing reinforcement) make it using the reinforcing materials such as glass fibre cladding
Intensity is significantly increased, and structure bearing capacity is strong, high temperature is indeformable.
The utility model solve technical problem technical scheme be:
A kind of double flange inner bags of water heater for being provided with plastic heat exchanger, including inner bag housing, inner bag flange seat one, inner bag method
Blue seat two, axial one end of the inner bag housing is provided with cylinder ring projection one, the cylindrical and inner bag method of the cylinder ring projection one
The endoporus connection of blue seat one, the axial other end of inner bag housing is provided with cylinder ring projection two, the cylinder ring projection two it is cylindrical
Endoporus with inner bag flange seat two is connected, the inner bag housing near axially in the middle of side wall on be provided with radial direction water inlet,
Delivery port, is provided with temperature sensor interface, the inner bag flange seat one and heating tube fixed knot between water inlet and delivery port
Structure is connected, and the inner bag flange seat two is connected with plastic pipe heat exchanger 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 outer surface of the inner bag housing is provided with reinforcement, inner surface and the reinforcement position of the inner bag housing by welding
Put using fiber glass reinforcement cladding.
The plastic pipe heat exchanger structure, including hydroecium, water box cover, many single u-shaped heat exchanger tubes, water box cover are opened with hydroecium upper end
Mouth is tightly connected, and the water box cover is connected with the flange on connected piece, and the water box cover is provided with water box cover inlet, hydroecium
Lid liquid outlet, water box cover inlet, water box cover liquid outlet are connected with feed tube, drain pipe respectively, and the hydroecium includes bottom
The cylindrical drum of base plate, upper end open, bottom edge is connected to form hydroecium inner chamber with cylindrical drum bottom end seal, the upper end of the base plate
Face is provided with division board, the base plate and side wall of the division board, water box cover and hydroecium by hydroecium inner chamber be divided into two it is independent sealed
Admission chamber, go out sap cavity, multiple base plate water inlets are provided with the base plate of admission chamber side, set on the base plate for going out sap cavity side
There are multiple base plate delivery ports, connector, the U described in each are respectively equipped with each base plate water inlet, base plate delivery port
Water inlet end, the water side of type heat exchanger tube are connected by connector with corresponding base plate water inlet, base plate delivery port respectively.
The multiple base plate water inlet, base plate multiple delivery ports along division board symmetric arrays, the U heat exchange according to
The size of U-shaped half circular diameter in bottom be divided into small U heat exchange, middle U heat exchange and, large U type heat exchanger tube, small U heat exchange
Two ends connected near isolate the base plate water inlet of Board position, base plate delivery port respectively, large U type heat exchanger tube respectively with away from every
Base plate water inlet from Board position, the connection of base plate delivery port, the two ends of middle U heat exchange respectively with the bottom positioned at middle part
Plate water inlet, the connection of base plate delivery port.
Multiple connecting holes are provided with the water box cover circumferential outer edge;The connecting hole includes the big stomidium, the small end that connect
Hole, the water box cover is connected by connecting hole with the flange on connected piece;The lower surface of the base plate is provided with and division board position
Put corresponding lower reinforcement.
The inner bag flange seat one is provided with the connecting hole of inner bag flange seat one, and the plastic pipe heat exchanger water box cover is being close to
The circumferential position at edge is laid with multiple heat-exchanger water chamber cover fixing holes, and the inner bag flange seat two is provided with and heat exchanger water
Multiple connecting holes of inner bag flange seat two that chamber cap fixing hole is engaged, the connecting hole of inner bag flange seat one, heat-exchanger water chamber cover
Fixing hole, inner bag flange seat connecting hole two include the big stomidium, the small stomidium that connect, and the plastic pipe heat exchanger water box cover passes through
Heat-exchanger water chamber cover fixing hole, inner bag flange seat connecting hole and bolt are connected with inner bag flange seat two.
The inner bag flange seat one, inner bag flange seat two include the cylindrical portion and the conical sections that are connected, described
The cylindrical of cylinder ring projection one, cylinder ring raised two it is cylindrical respectively with the inner hole of cylindrical portion, conical sections
Inner surface is connected with the outer surface at inner bag shell cover position, the connecting hole of inner bag flange seat one, inner bag flange seat connecting hole
Two are respectively arranged on the axial end of cylindrical portion;The internal bore welding of the cylindrical and inner bag flange seat one of the cylinder ring projection one
Connect, the inner hole welding of rapid cooling of the cylindrical and inner bag flange seat two of cylinder ring projection two, inner surface and the inner bag housing of conical sections are sealed
The outer surface welding of head 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, the note blow molding of inner bag housing
When plastics injection radial direction base groove, plastic feet and one overall structure of inner bag hull shape are so as to by inner bag housing and interface
Composite pipe forms 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
Two, inner bag flange seat one, inner bag flange seat two are reliably connected and seal with inner bag housing, and bonding strength is high, reduce deformation
With 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 multiple heat-exchanger water chamber cover fixing holes, inner bag flange seat connecting hole are using big stomidium, the small end for connecting
Pore structure, is put into from big stomidium position more convenient, it is to avoid collide with scuffing of the bolt to inner bag housing and adpting flange when being put into
Deng damaging, so that high jump product quality and efficiency, reduction loss and production cost, are then fastenedly connected in small end hole site, determine
Position and connection high precision.It is described U-shaped to change because multiple base plate water inlets, base plate multiple delivery ports are along division board symmetric arrays
Heat pipe according to the size of U-shaped half circular diameter in bottom be divided into small U heat exchange, middle U heat exchange and, large U type heat exchanger tube, small U
Respectively near base plate water inlet, the connection of base plate delivery port for isolating Board position, large U type heat exchanger tube is distinguished at the two ends of type heat exchanger tube
With away from base plate water inlet, the connection of base plate delivery port for isolating Board position, the two ends of middle U heat exchange respectively with positioned at centre
The base plate water inlet at position, the connection of base plate delivery port, compact conformation, space availability ratio are high, improve heat exchange efficiency.
4. reinforcement, the inner surface and reinforcement of the inner bag housing are provided with by welding by the outer surface of inner bag housing
Position is coated using fiber glass reinforcement.Its intensity is significantly increased, structure bearing capacity is strong, high temperature is indeformable.
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 partial right side view of Fig. 1;
Fig. 5 is the stereogram two of Fig. 1;
Fig. 6 is the front view of inner bag flange seat one;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the stereogram one of Fig. 6;
Fig. 9 is the stereogram two of Fig. 6;
Figure 10 is the front view of inner bag flange seat two;
Figure 11 is the left view of Figure 10;
Figure 12 is interface composite pipe front view;
Figure 13 is another schematic diagram of interface composite pipe;
Figure 14 is the right view of Figure 12;
Figure 15 is the stereogram one of Figure 12;
Figure 16 is the stereogram two of Figure 12;
Figure 17 is the front view of plastic feet;
Figure 18 is the sectional view of Figure 17;
Figure 19 is the right view of Figure 17;
Figure 20 is the stereogram one of Figure 17;
Figure 21 is the stereogram two of Figure 17;
Figure 22 is the front view of metal insert;
Figure 23 is the top view of Figure 22;
Figure 24 is the upward view of Figure 22;
The left view of Figure 25 Figure 22;
Figure 26 is the stereogram of Figure 22;
Figure 27 is plastic pipe heat exchanger structural front view;
Figure 28 is the top view of Figure 27;
Figure 29 is the left view of Figure 27
Figure 30 is the right view of Figure 27;
Figure 31 is the stereogram of Figure 27;
Figure 32 is the front view of hydroecium;
Figure 33 is the top view of Figure 32;
Figure 34 is the stereogram of Figure 32;
Figure 35 is the front view of water box cover;
Figure 36 is the left view of Figure 35;
Figure 37 is the stereogram of Figure 35.
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 37, a kind of double flange inner bags of water heater for being provided with plastic heat exchanger of the present utility model, it is adaptable to
In panel solar, air-source water heater, heat exchanger and home-use water heater liner.Including inner bag housing 71, inner bag method
Blue seat 1, inner bag flange seat 2 75, axial one end of the inner bag housing 71 are provided with cylinder ring projection one, the cylinder ring convex
The cylindrical endoporus with inner bag flange seat 1 for playing one is connected, and the axial other end of inner bag housing 1 is provided with cylinder ring projection two, institute
The cylindrical endoporus with inner bag flange seat 2 75 for stating cylinder ring projection two is connected, and the inner bag housing is near axially middle side
Wall is provided with the water inlet 710 of radial direction, delivery port 711, and temperature sensor interface 712 is provided between water inlet and delivery port,
The inner bag flange seat 1 be connected with heating pipe fixation structure, the inner bag flange seat 2 75 and plastic pipe heat exchanger structure 80
Connection.
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 plastic pipe heat exchanger structure 80, including hydroecium 1, water box cover 2, many single u-shaped heat exchanger tubes 4, water box cover 2 and hydroecium
1 upper end open is tightly connected, and the water box cover is connected with the flange on connected piece, and the water box cover 2 is provided with water box cover and enters
Liquid mouthful 21, water box cover liquid outlet 22, water box cover inlet 21, water box cover liquid outlet 22 connect with feed tube 23, drain pipe 24 respectively
Connect, the hydroecium 1 includes base plate, the cylindrical drum of upper end open of bottom, bottom edge is connected to be formed with cylindrical drum bottom end seal
Hydroecium inner chamber, the upper surface of the base plate is provided with division board 3, and the division board 3, the base plate of water box cover 2 and hydroecium and side wall will
Hydroecium inner chamber is divided into two independent sealed admission chambers 11, goes out sap cavity 12, and multiple bottoms are provided with the base plate of admission chamber side
Plate water inlet 13, is provided with multiple base plate delivery ports 14 on the base plate for going out sap cavity side, goes out in each base plate water inlet, base plate
Connector 6 is respectively equipped with the mouth of a river, water inlet end, the water side of the U heat exchange described in each pass through connector 6 and phase respectively
Corresponding base plate water inlet, the connection of base plate delivery port.
The multiple base plate water inlet 13, base plate multiple delivery port 14 is along the symmetric arrays of division board 3, the U-shaped heat exchange
Pipe is divided into small U heat exchange 44, middle U heat exchange 42 and 43, large U type heat exchanger tube according to the size of U-shaped half circular diameter in bottom
41, respectively near base plate water inlet, the connection of base plate delivery port for isolating Board position, large U type exchanges heat at the two ends of small U heat exchange
Pipe respectively with away from base plate water inlet, the connection of base plate delivery port for isolating Board position, the two ends of middle U heat exchange respectively with position
Base plate water inlet, base plate delivery port connection in middle part.
Multiple connecting holes 25 are provided with the water box cover circumferential outer edge.The connecting hole 25 includes the big stomidium for connecting
251st, small stomidium 252, the water box cover is connected by connecting hole 25 with the flange on connected piece.Mutually passed through because connecting hole is used
Logical big stomidium, small end pore structure, is put into from big stomidium position more convenient, it is to avoid bolt is to connected piece and connection when being put into
Scuffing etc. of colliding with of flange is damaged, so that high jump product quality and efficiency, reduction loss and production cost, then in small end hole position
Put and be fastenedly connected, position and connect high precision.
The lower surface of the base plate is provided with lower reinforcement 5 corresponding with isolation Board position.
The inner bag flange seat 1 is provided with the connecting hole 744 of inner bag flange seat one, the plastic pipe heat exchanger water box cover
78 are laid with multiple heat-exchanger water chamber cover fixing holes 746 in the circumferential position near edge, on the inner bag flange seat 2 75
The connecting hole 745 of multiple inner bag flange seats two being engaged with heat-exchanger water chamber cover fixing hole is provided with, the inner bag flange seat one connects
Connecing hole 744, heat-exchanger water chamber cover fixing hole 746, inner bag flange seat connecting hole 2 745 includes the big stomidium 781, small end that connects
Hole 782, the plastic pipe heat exchanger water box cover 78 passes through heat-exchanger water chamber cover fixing hole, inner bag flange seat connecting hole and bolt 79
It is connected with inner bag flange seat 2 75.Because multiple heat-exchanger water chamber cover fixing holes, inner bag flange seat connecting hole use what is connected
Big stomidium, small end pore structure, are put into from big stomidium position more convenient, it is to avoid bolt is to inner bag housing and adpting flange when being put into
Scuffing etc. of colliding with damage, it is then tight in small end hole site so as to high jump product quality and efficiency, reduce loss and production cost
It is solidly connected, positions and connect high precision.
The inner bag flange seat 1, inner bag flange seat 2 75 include the cylindrical portion 41 and the conical sections that are connected
742, the cylindrical of cylinder ring projection one, cylinder ring raised two it is cylindrical respectively with the inner hole of cylindrical portion 741, circle
The inner surface 743 that 742 points of cone portion is connected with the outer surface at inner bag shell cover position, the connecting hole of inner bag flange seat one
744th, inner bag flange seat connecting hole 2 745 is respectively arranged 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, cylinder ring projection two it is cylindrical with
The inner hole welding of rapid cooling of inner bag flange seat 2 75, the inner surface of conical sections is welded with the outer surface at inner bag shell cover position.It is logical
The connected mode using welding is crossed, cylinder ring projection one, cylinder ring raised two is fixedly connected more reliable with inner bag housing.
The some enhancings of the inner bag flange seat 1, inner bag flange seat 2 75 being radially provided with inside cylindrical portion are embedding
Part, the thin column structure that the enhancing inserts is engaged using cross sectional shape with cylindrical portion, in thin column structure
It is provided with the enhancing inserts connecting hole corresponding with inner bag flange seat connecting hole.By setting up enhancing inserts, reduce flange distortion, carry
High-tensile.
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.