CN106440369B - Gas heater heat exchanger mounting structure and special installation die - Google Patents

Gas heater heat exchanger mounting structure and special installation die Download PDF

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Publication number
CN106440369B
CN106440369B CN201610835056.8A CN201610835056A CN106440369B CN 106440369 B CN106440369 B CN 106440369B CN 201610835056 A CN201610835056 A CN 201610835056A CN 106440369 B CN106440369 B CN 106440369B
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China
Prior art keywords
heat exchanger
frame
inner cavity
fixing
water heater
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CN201610835056.8A
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Chinese (zh)
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CN106440369A (en
Inventor
余少言
仇明贵
陈文坚
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Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance Co Ltd
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Priority to CN201610835056.8A priority Critical patent/CN106440369B/en
Publication of CN106440369A publication Critical patent/CN106440369A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Fluid Heaters (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a heat exchanger mounting structure of a gas water heater, which comprises an inner cavity and a fixing frame, wherein the heat exchanger is mounted on the inner cavity, and the inner cavity is fixed with a gas water heater shell through the fixing frame. According to the invention, the bending feet are arranged on the fixed frame, and the bending feet of the fixed frame are subjected to plastic deformation after being processed by the special die and are buckled with the flange edge of the inner cavity, so that the connection and fastening part is realized, the installation efficiency of the heat exchanger of the gas water heater is greatly improved, the connection of two parts is firmer and more reliable, the assembling surface is flat and has no welding pressure points, the connection service life and the appearance level of the parts are improved, and the assembling effect is fully ensured. The invention also provides a special die for installing the heat exchanger of the gas water heater.

Description

Gas heater heat exchanger mounting structure and special installation die
Technical Field
The invention relates to the technical field of gas water heaters, in particular to a heat exchanger mounting structure of a gas water heater and a special mounting die.
Background
The gas water heater is a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to prepare hot water. The common gas water heater mainly comprises a valve body assembly, a main burner, a small fire burner, a heat exchanger, a safety device and the like. At present, in the industry of gas water heaters, the installation of heat exchangers mostly adopts a welding mode, for example, an inner cavity of a heat exchanger made of red copper is welded to a stainless steel connecting piece, and then the stainless steel connecting piece is fixed on a shell of the gas water heater. Because the two parts are made of different materials, namely stainless steel and red copper, a nugget deviation phenomenon can occur in the welding process, the quality problem of desoldering often occurs, the integral strength of the heat exchanger is influenced, and the industrial problem is solved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a heat exchanger mounting structure of a gas water heater, which is firm and reliable in connection and long in service life.
In order to achieve the purpose, the invention adopts the following technical scheme.
The utility model provides a gas heater heat exchanger mounting structure, includes inner chamber and fixed frame, heat exchanger installs on the inner chamber, the inner chamber is fixed with the gas heater casing through fixed frame, and its characterized in that is equipped with the flange limit in the inner chamber bottom, is equipped with foot and the fixed part of bending on fixed frame, the foot of bending through after bending between flange limit and the fixed frame is fixed, it is fixed through the fixed part between fixed frame and the gas heater casing.
As an improvement, the fixing frame is an annular frame, a flange protruding upwards is arranged on the inner side of the frame, the bending foot protrudes upwards and is arranged on the outer side of the frame, and the flange is a folded edge which is folded outwards at a right angle from the bottom of the inner cavity.
As an improvement, the fixing frame is a quadrilateral square frame, and three bending feet are uniformly arranged on each edge of the fixing frame.
As an improvement, a groove is arranged on the flange edge, and the bottom of the bending foot is positioned in the groove.
As an improvement, the fixing part is a fixing edge which is formed on the outer side of the fixing frame and is turned downwards, at least one fixing hole is formed in the fixing edge, and the fixing edge and the shell of the gas water heater are fixed through a screw penetrating through the fixing hole.
As an improvement, the mounting steps are as follows: 1) sleeving a fixing frame at the bottom of the inner cavity, 2) flattening and bending the bending foot by adopting a press machine to enable the fixing frame and the inner cavity to be riveted to form an inner cavity and a fixing frame assembly, and 3) penetrating a screw through the fixing part to assemble and mount the inner cavity and the fixing frame assembly on the shell of the gas water heater.
The invention also provides a special die for installing the heat exchanger of the gas water heater, which is characterized in that the special die is used for realizing the connection of the inner cavity and the fixed frame, and comprises the following components: the upper die is provided with a die cavity which is adjustable in shape and used for fixing the inner cavity, and the die cavity is formed by an upper die base, an upper cushion block and an upper die plate which are assembled together; the lower die comprises a lower backing plate and a lower positioning plate, and the lower positioning plate is convexly arranged on the lower backing plate and used for limiting the fixing frame; and the pressure device is movably arranged between the upper die and the lower die and is used for bending the bending foot on the fixed frame so as to rivet the inner cavity and the fixed frame together.
As a refinement, the pressure device comprises: the device comprises a guide rail, a pressing plate arranged on the guide rail in a sliding mode, and a cylinder driving the pressing plate to move back and forth.
As an improvement, the fixing frame is a quadrilateral frame, and a pressure device is arranged corresponding to each edge of the quadrilateral frame.
As an improvement, the lower positioning plate is rotatably arranged on the lower backing plate, and the position of the fixing frame is changed by rotating the lower positioning plate, so that the bending feet on the fixing frame correspond to the pressure devices in turn.
The invention has the beneficial effects that:
the fixing frame bending foot is subjected to plastic deformation after being processed by a special die, and is buckled with an inner cavity flange, so that the problem of welding detachment, multiple production procedures and the like in the existing welding connection process are completely solved, and the installation efficiency of a heat exchanger of a gas water heater is greatly improved.
Second, utilize the foot of bending and flange limit to realize the connection between fixed frame and the inner chamber for the connection of two parts is more firm, reliable, and the fitting surface levels and does not have the welding point of crushing, has improved connection life-span and part outward appearance level, has fully guaranteed the assembly effect.
Drawings
Fig. 1 is a schematic view of a heat exchanger mounting structure according to the present invention.
Fig. 2 is a schematic diagram of the structure of the inner cavity.
Fig. 3 shows a side view of fig. 2.
Fig. 4 is a top view of fig. 2.
Fig. 5 is a schematic view of the fixing frame structure.
Fig. 6 shows a cross-sectional view a-a of fig. 5.
Fig. 7 is a cross-sectional view taken along line B-B of fig. 5.
Fig. 8 shows a side view of fig. 5.
Fig. 9 is a schematic view of a dedicated mold.
Fig. 10 shows a cross-sectional view of fig. 9.
Description of reference numerals:
1: inner cavity, 2: fixed frame, 3: flange, 4: foot of bending, 5: fixing part, 6: rib, 7: groove, 8: fixing hole, 9: upper die holder, 10: go up cushion, 11: upper die plate, 12: die shank, 13: lower pad, 14: lower positioning plate, 15: guide rail, 16: a pressing plate, 17: cylinder, 18: and a lower die holder.
Detailed Description
To facilitate a better understanding of the nature of the present invention, the following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings.
Example one
As shown in fig. 1-8, a gas heater heat exchanger mounting structure, including inner chamber 1 and fixed frame 2, heat exchanger installs on inner chamber 1, inner chamber 1 is fixed with the gas heater casing through fixed frame 2, and its characterized in that is equipped with flange limit 3 in 1 bottom of inner chamber, is equipped with foot 4 and the fixed part 5 of bending on fixed frame 2, it is fixed through the foot 4 of bending after bending between flange limit 3 and the fixed frame 2, it is fixed through fixed part 5 between fixed frame 2 and the gas heater casing.
The fixing frame 2 is a quadrilateral square frame, the inner side of the quadrilateral square frame is provided with a flange 6 protruding upwards, and each edge of the fixing frame 2 is uniformly provided with three bending feet 4. The bending legs 4 are arranged on the outer side of the quadrilateral square frame in a protruding mode, the flange edges 3 are folded edges which are folded from the bottom of the inner cavity 1 to the outside in a right-angle mode, grooves 7 are formed in the folded edges, and the bottoms of the bending legs 4 are located in the grooves 7, so that the edges are neat after the inner cavity 1 and the fixing frame 2 are assembled.
The fixing part 5 is a fixing edge which is formed on the outer side of the fixing frame 2 and is turned downwards, at least one fixing hole 8 is formed in the fixing edge, and the fixing edge and the shell of the gas water heater are fixed through a screw penetrating through the fixing hole 8.
The actual installation steps are as follows: 1) sleeving a fixing frame 2 at the bottom of an inner cavity 1, 2) flattening and bending a bending pin 4 by adopting a press machine, riveting the fixing frame 2 and the inner cavity 1 to form an inner cavity and a fixing frame assembly, and 3) penetrating a fixing part 5 by adopting a screw to assemble the inner cavity and the fixing frame assembly on a gas water heater shell.
The gas heater heat exchanger mounting structure that this embodiment provided, through set up the foot of bending on fixed frame, make fixed frame foot of bending take place plastic deformation after special mould processing, detain mutually with inner chamber flange limit, reach the portion dress of connection fastening, overcome the desolder that appears in the current welded connection technology completely, the many scheduling problems of production process, greatly improved gas heater heat exchanger's installation effectiveness. Meanwhile, the connection between the fixing frame and the inner cavity is realized by the bending pins and the flange edges, so that the connection of the two parts is firmer and more reliable, the assembling surface is smooth and has no welding pressure damage points, the connection service life and the appearance level of the parts are prolonged, and the assembling effect is fully ensured.
Example two
As shown in fig. 9 and 10, a special die for installing a heat exchanger of a gas water heater is used for connecting an inner cavity 1 and a fixing frame 2 according to the first embodiment, and comprises:
the upper die is provided with a die cavity which is adjustable in shape and used for fixing the inner cavity 1, the die cavity is composed of an upper die base 9, an upper cushion block 10 and an upper die plate 11 which are assembled together, and a die handle 12 is arranged on the upper die base 9 so as to move the whole upper die.
The lower die comprises a lower die base 18, a lower cushion plate 13 and a lower positioning plate 14 which are assembled together, wherein the lower cushion plate 13 is installed on the lower die base 18, and the lower positioning plate 14 is convexly arranged on the lower cushion plate 13 and used for limiting the fixing frame 2.
And the pressure device is movably arranged between the upper die and the lower die and is used for bending the bending foot on the fixed frame so as to rivet the inner cavity 1 and the fixed frame 2 together.
In this embodiment, it is preferable that the pressure device includes: a guide rail 15, a platen 16 slidably disposed on the guide rail 15, and a cylinder 17 driving the platen 16 to move back and forth. Preferably, the lower positioning plate 14 is rotatably disposed on the lower backing plate 13, and the position of the fixed frame 2 is changed by rotating the lower positioning plate 14, so that the bending legs on the fixed frame 2 correspond to the pressure devices in turn.
In other embodiments, the pressure device is provided for each side of the quadrangular frame, but is not limited to this embodiment.
The above embodiments have described the essence of the present invention in detail, but the scope of the present invention should not be limited to the above embodiments. Obviously, in light of the above teachings, those skilled in the art will be able to make numerous modifications and adaptations to the invention, such as changing the square frame to an annular frame of other shapes, depending on the particular shape of the internal chamber, gas water heater housing, etc. It is to be noted that such improvements and modifications are within the scope of the following claims.

Claims (9)

1. A gas heater heat exchanger mounting structure comprises an inner cavity and a fixing frame, wherein the heat exchanger is mounted on the inner cavity, and the inner cavity is fixed with a gas heater shell through the fixing frame;
during the installation, utilize gas heater heat exchanger installation special mould to realize the connection of inner chamber and fixed frame, gas heater heat exchanger installation special mould includes:
the upper die is provided with a die cavity which is adjustable in shape and used for fixing the inner cavity, and the die cavity is formed by an upper die base, an upper cushion block and an upper die plate which are assembled together;
the lower die comprises a lower backing plate and a lower positioning plate, and the lower positioning plate is convexly arranged on the lower backing plate and used for limiting the fixing frame;
and the pressure device is movably arranged between the upper die and the lower die and is used for bending the bending foot on the fixed frame so as to rivet the inner cavity and the fixed frame together.
2. The mounting structure for the heat exchanger of the gas water heater according to claim 1, wherein the fixing frame is an annular frame, a flange protruding upwards is provided at an inner side of the frame, the bending leg protrudes upwards and is provided at an outer side of the frame, and the flange is a folded edge folded from a bottom of the inner cavity to an outer right angle.
3. The mounting structure for a heat exchanger of a gas water heater according to claim 1, wherein the fixing frame is a quadrangular square frame, and three bending legs are uniformly provided on each side of the fixing frame.
4. The mounting structure for the heat exchanger of a gas water heater according to claim 1, wherein a groove is formed on the flange, and the bottom of the bent leg is located in the groove.
5. The mounting structure of a heat exchanger of a gas water heater according to claim 1, wherein the fixing portion is a fixing edge formed outside the fixing frame and turned downward, the fixing edge is provided with at least one fixing hole, and the fixing edge is fixed to the housing of the gas water heater by a screw passing through the fixing hole.
6. The gas water heater heat exchanger mounting structure as claimed in claim 1, wherein the mounting steps are as follows: 1) sleeving a fixing frame at the bottom of the inner cavity, 2) flattening and bending the bending foot by adopting a press machine to enable the fixing frame and the inner cavity to be riveted to form an inner cavity and a fixing frame assembly, and 3) penetrating a screw through the fixing part to assemble and mount the inner cavity and the fixing frame assembly on the shell of the gas water heater.
7. A gas water heater heat exchanger mounting structure as claimed in claim 1, wherein said pressure means includes: the device comprises a guide rail, a pressing plate arranged on the guide rail in a sliding mode, and a cylinder driving the pressing plate to move back and forth.
8. The heat exchanger mounting structure for a gas water heater according to claim 1 or 7, wherein the fixing frame is a quadrangular frame, and a pressing means is provided for each side of the quadrangular frame.
9. The mounting structure of the heat exchanger of the gas water heater according to claim 1, wherein the lower positioning plate is rotatably disposed on the lower backing plate, and the bending legs of the fixing frame correspond to the pressure devices in turn by changing the position of the fixing frame by rotating the lower positioning plate.
CN201610835056.8A 2016-09-19 2016-09-19 Gas heater heat exchanger mounting structure and special installation die Active CN106440369B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610835056.8A CN106440369B (en) 2016-09-19 2016-09-19 Gas heater heat exchanger mounting structure and special installation die

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Application Number Priority Date Filing Date Title
CN201610835056.8A CN106440369B (en) 2016-09-19 2016-09-19 Gas heater heat exchanger mounting structure and special installation die

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CN106440369A CN106440369A (en) 2017-02-22
CN106440369B true CN106440369B (en) 2022-08-12

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201589426U (en) * 2010-01-04 2010-09-22 广东万和新电气股份有限公司 Heat exchanger for gas water heater
CN201983459U (en) * 2011-03-01 2011-09-21 广东万和新电气股份有限公司 Connection structure of heat exchanger water tank shell, fume collecting hood and combustion chamber shell
CN203100166U (en) * 2012-12-18 2013-07-31 美的集团股份有限公司 Gas water heater
KR101339850B1 (en) * 2012-09-19 2013-12-11 롯데알미늄 주식회사 Latent heat exchanger assembly method and the latent heat exchanger
CN204063513U (en) * 2014-09-30 2014-12-31 杭州三花微通道换热器有限公司 A kind of heat exchanger assembly
CN205309137U (en) * 2015-12-29 2016-06-15 芜湖美的厨卫电器制造有限公司 Riveting mould is arranged to combustor fire
CN206207741U (en) * 2016-09-19 2017-05-31 广东万家乐燃气具有限公司 A kind of heat-exchanger for gas-fired mounting structure and installation particular manufacturing craft

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201589426U (en) * 2010-01-04 2010-09-22 广东万和新电气股份有限公司 Heat exchanger for gas water heater
CN201983459U (en) * 2011-03-01 2011-09-21 广东万和新电气股份有限公司 Connection structure of heat exchanger water tank shell, fume collecting hood and combustion chamber shell
KR101339850B1 (en) * 2012-09-19 2013-12-11 롯데알미늄 주식회사 Latent heat exchanger assembly method and the latent heat exchanger
CN203100166U (en) * 2012-12-18 2013-07-31 美的集团股份有限公司 Gas water heater
CN204063513U (en) * 2014-09-30 2014-12-31 杭州三花微通道换热器有限公司 A kind of heat exchanger assembly
CN205309137U (en) * 2015-12-29 2016-06-15 芜湖美的厨卫电器制造有限公司 Riveting mould is arranged to combustor fire
CN206207741U (en) * 2016-09-19 2017-05-31 广东万家乐燃气具有限公司 A kind of heat-exchanger for gas-fired mounting structure and installation particular manufacturing craft

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