WO2021022823A1 - 一种蜗壳组件及其应用的引风机和燃气炉 - Google Patents

一种蜗壳组件及其应用的引风机和燃气炉 Download PDF

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Publication number
WO2021022823A1
WO2021022823A1 PCT/CN2020/083866 CN2020083866W WO2021022823A1 WO 2021022823 A1 WO2021022823 A1 WO 2021022823A1 CN 2020083866 W CN2020083866 W CN 2020083866W WO 2021022823 A1 WO2021022823 A1 WO 2021022823A1
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WIPO (PCT)
Prior art keywords
volute
capacitor
mounting
step plate
induced draft
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PCT/CN2020/083866
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English (en)
French (fr)
Inventor
林炎虎
张淼
郭烈维
王鸿彬
王凤琪
Original Assignee
中山大洋电机股份有限公司
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Priority claimed from CN201921244535.8U external-priority patent/CN210461174U/zh
Priority claimed from CN201921307735.3U external-priority patent/CN210461175U/zh
Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2021022823A1 publication Critical patent/WO2021022823A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps

Definitions

  • the utility model relates to a volute assembly and an induced draft fan and a gas furnace used in the same.
  • the induced draft fan commonly used in existing gas stoves includes a volute assembly and a wind wheel installed in the inner cavity of the volute.
  • the wind wheel is driven to rotate by a motor installed on the volute assembly.
  • the side of the volute is provided with the inner cavity.
  • the circular air outlet tube includes an inner tube and an outer tube.
  • the inner tube is provided with an air outlet communicating with the inner cavity.
  • An annular groove is formed between the outer tube and the inner tube.
  • a drainage port is provided on the outside to communicate with the annular groove.
  • a conversion interface needs to be installed on the air outlet pipe.
  • the conversion interface is embedded in the central annular groove, and the conversion interface is connected to the outer pipe.
  • a sealing ring is also sleeved between, and the inner tube is an air guide tube.
  • the existing induced draft fan structure has the following shortcomings: 1) The outer tube, inner tube and the volute are integrally formed, and the diameter of the inner tube cannot be adjusted according to the load, which has a poor adaptability; 2) The outer tube, the inner tube and the volute are integrally molded Forming and manufacturing molds are complicated, which leads to increased manufacturing costs, increased process difficulty, and reduced product qualification rate; 3) The outer surface of the inner tube is inconvenient to form a better diversion structure, which affects the product function; 4: the conversion interface and the sealing ring are inserted into the ring It is more difficult in the groove.
  • the purpose of the utility model is to provide a volute assembly and the induced draft fan and gas furnace used in the same, which can solve the problem of poor adaptability, high manufacturing difficulty, and high manufacturing cost caused by the integrated injection molding of the outer tube, the inner tube and the volute in the prior art problem.
  • the first purpose of the utility model is to provide a volute assembly, including a volute and a cover plate installed at the bottom of the volute.
  • the volute and the cover plate enclose an inner cavity in which a wind wheel can be installed, and the cover plate is provided with an air inlet ,
  • the side of the volute extends out of the exhaust duct, and an air outlet is formed at the end of the exhaust duct.
  • the exhaust duct includes a connecting section and an expansion section.
  • the connecting section is connected with the side wall of the volute.
  • the inner pipe diameter of the expansion section is connected to D1
  • the outer pipe diameter D2 of the section is large, and a step plate is formed between the connecting section and the expansion section.
  • an air duct is installed on the step plate, and water storage is enclosed between the step plate, the expansion section and the air duct.
  • a drainage pipe is arranged at the tail section of the expansion section to communicate with the water storage cavity.
  • the step plate is provided with a first insertion slot
  • the air duct includes a cylindrical body, one end of the cylinder extends out of the first insertion section, when the air duct is installed on the step plate, the first The plug-in section is plugged into the first plug-in slot to fit tightly.
  • the step plate is provided with a second insertion groove
  • the air duct includes a cylindrical body, one end of the cylindrical body extends from a second insertion section, and the inner surface of the second insertion groove is provided with An external thread, an internal thread is provided on the inner side of the second plug-in section, and when the air duct is installed on the step plate, the second plug-in section and the second plug-in groove are threadedly connected.
  • a step is provided on the edge of the stepped plate, the air guide tube includes a cylindrical body, and when the air guide tube is installed on the stepped plate, one end of the cylindrical body is nested on the step.
  • the step plate is provided with a first mounting hole
  • the air duct includes a cylindrical body, one end of the cylindrical body is provided with a plurality of mounting feet, and the mounting feet are provided with second mounting holes, and the mounting feet are supported on the step plate
  • the first mounting hole corresponds to the second mounting hole.
  • a groove is provided on the outer surface of the aforementioned expansion section, and the groove extends in the axial and circumferential directions.
  • a first convex edge and a second convex edge protrude from the outer surface of the expansion section in the circumferential direction.
  • the first convex edge is provided on the end surface of the expansion section.
  • a positioning groove is formed between the first convex edge and the second convex edge.
  • the groove is located between the first convex edge and the second convex edge.
  • the groove is a T-shaped groove.
  • the groove includes an axial portion and a circumferential portion, and the circumferential portion is located on both sides of the second convex edge.
  • a number of convex strips are provided on the outer surface of the cylindrical body.
  • the inner pipe diameter D3 of the aforementioned air guide pipe is greater than or equal to the inner pipe diameter D4 of the connecting section.
  • the above-mentioned air guide pipe and exhaust duct are made of different materials.
  • the second purpose of the present invention is to provide an induced draft fan, which includes a volute assembly, a motor, a wind wheel and a mounting bracket.
  • the wind wheel is installed in the inner cavity of the volute assembly
  • the motor is installed on the volute assembly through the mounting bracket.
  • the front end of the rotating shaft of the motor extends into the inner cavity of the volute assembly to be installed with the wind wheel, and is characterized in that the volute assembly is the aforementioned volute assembly.
  • the end surface of the volute is provided with a mounting boss, the mounting boss is provided with an accommodating cavity, and a capacitor is installed in the accommodating cavity, and the capacitor and the motor are electrically connected by a lead wire.
  • the above-mentioned accommodating cavity on the mounting boss matches the shape of the capacitor, the capacitor sleeve is sleeved on the outer surface of the capacitor, the top of the capacitor sleeve is provided with an inner flange, and the inner flange is pressed on the top of the capacitor.
  • Both sides of the mounting boss are provided with mounting protrusions, and an undercut device is arranged between the mounting boss and the capacitor sleeve, and the capacitor is fixed on the installation boss through the undercut device.
  • the above-mentioned undercut device includes a first undercut and a second undercut, a first undercut is provided on the inner side of the mounting protrusion, and an interlocking second undercut is provided on the outer surface of the capacitor sleeve When the capacitor sleeve is sleeved outside the capacitor, the second undercut of the capacitor sleeve and the first undercut of the mounting tab are snap-fitted to fix the capacitor on the mounting boss.
  • the above-mentioned undercut device includes at least one buckle riveting hole and a buckle riveting angle
  • the mounting lug is provided with at least one buckle riveting hole
  • the outer surface of the capacitor sleeve is provided with a buckle riveting angle.
  • An inclined surface is provided on the top of the above-mentioned mounting protrusion, and the inclined surface is inclined from the outside to the inside.
  • volute, the mounting boss and the mounting protrusion are integrally formed by injection molding.
  • the third purpose of the utility model is to provide a gas stove, including an induced draft fan and a conversion interface, the adapter interface is installed on the outlet pipe of the induced draft fan, characterized in that: the induced draft fan is the above-mentioned In the induced draft fan, the conversion interface is embedded in the water storage cavity, a sealing ring is also provided between the conversion interface and the expansion section of the air outlet pipe, the groove is located on the periphery of the sealing ring, and the positioning groove is installed There is a throat hoop, the hoop body of the throat hoop presses on the positioning groove and closes the groove.
  • the utility model includes a volute and a cover plate installed at the bottom of the volute.
  • the volute and the cover plate enclose an inner cavity in which a wind wheel can be installed.
  • the cover plate is provided with an air inlet, and the side of the volute extends out of the exhaust duct.
  • An air outlet is formed at the end of the exhaust duct.
  • the exhaust duct includes a connecting section and an expansion section.
  • the connecting section is connected to the side wall of the volute.
  • the inner pipe diameter D1 of the expansion section is larger than the outer pipe diameter D2 of the connecting section.
  • a step plate is formed between the step plate and the expansion section, and is characterized in that: the step plate is equipped with an air duct; the step plate, the expansion section and the air duct form a water storage cavity; The pipe is connected with the water storage cavity.
  • the structure is versatile, simple in structure, simple to manufacture, low in manufacturing cost, and improves the qualification rate of the product. It can also improve the performance of the induced draft fan by using air guide pipes with different air outlet diameters and the volute. .
  • Figure 1 is a perspective view of the first embodiment of the utility model
  • Figure 2 is a three-dimensional exploded view of the first embodiment of the utility model
  • Figure 3 is a partial enlarged view of A in Figure 2;
  • Figure 4 is a side view of the first embodiment of the utility model
  • Figure 5 is a cross-sectional view of B-B in Figure 4.
  • Figure 6 is a partial enlarged view of D in Figure 5;
  • Figure 7 is a cross-sectional view of C-C in Figure 4.
  • Figure 8 is a schematic diagram of the air duct structure of the first embodiment of the utility model
  • Figure 9 is a schematic diagram of the second embodiment of the present invention.
  • Figure 10 is a schematic diagram of the air duct structure of the second embodiment of the utility model.
  • Figure 11 is a side view of the second embodiment of the utility model
  • Figure 12 is a cross-sectional view of E-E in Figure 11;
  • Figure 13 is a partial enlarged view of F in Figure 12;
  • Figure 14 is a schematic structural diagram of the third embodiment of the utility model
  • Figure 15 is a side view of the third embodiment of the utility model
  • Figure 16 is a cross-sectional view of G-G in Figure 15;
  • Figure 17 is a partial enlarged view of F in Figure 16;
  • Figure 18 is a schematic diagram of the structure of the fourth embodiment of the utility model.
  • Figure 19 is a schematic diagram of the air duct structure of the fourth embodiment of the utility model.
  • Figure 20 is a side view of the fourth embodiment of the utility model
  • Figure 21 is a cross-sectional view of L-L in Figure 20;
  • Figure 22 is a partial enlarged view of K in Figure 21;
  • Figure 23 is a perspective view of the fifth embodiment of the utility model
  • Figure 24 is another perspective view of the fifth embodiment of the utility model
  • Figure 25 is a partial exploded view of the fifth embodiment of the utility model
  • Figure 26 is a partial enlarged view of H in Figure 25;
  • Figure 27 is a top view of the first embodiment of the utility model
  • Figure 28 is a cross-sectional view of J-J in Figure 27;
  • Figure 29 is a partial enlarged view of M in Figure 28;
  • Figure 30 is a partial exploded view of the sixth embodiment of the utility model
  • Figure 31 is a partial enlarged view of N in Figure 30;
  • Figure 32 is a top view of the sixth embodiment of the utility model
  • Figure 33 is a cross-sectional view of R-R in Figure 32;
  • Fig. 34 is a partial enlarged view of P in Fig. 33.
  • Figure 35 is a schematic diagram of the seventh embodiment of the present utility model.
  • Figure 36 is an exploded view of the partial structure of the seventh embodiment of the present invention.
  • this embodiment provides a volute assembly, including a volute 10 and a cover 11 installed at the bottom of the volute 10.
  • the volute 10 and the cover 11 enclose a wind wheel that can be installed.
  • the cover 11 is provided with an air inlet 111, the side of the volute 10 extends out of the exhaust duct 13, and an air outlet 130 is formed at the end of the exhaust duct 13.
  • the exhaust duct 13 includes a connecting section 131 and an expansion section 132.
  • the connecting section 131 is connected to the side wall of the volute 10, the inner tube diameter D1 of the expansion section 132 is larger than the outer tube diameter D2 of the connecting section 131, and a step plate 133 is formed between the connecting section 131 and the expansion section 132, which is characterized by :
  • the air guide tube 2 is installed on the step plate 133, the water storage cavity 100 is enclosed between the step plate 133, the expansion section 132 and the air guide tube 2, and a drainage pipe 134 and water storage are arranged at the tail section of the expansion section 132
  • the cavity 100 is connected, the structure has strong versatility, simple structure, simple manufacturing, low manufacturing cost, and improves the qualification rate of the product. It can also improve the performance of the induced draft fan by using air ducts with different air outlet diameters to cooperate with the volute.
  • the step plate 133 is provided with a first insertion groove 1331, the air duct 2 includes a cylindrical body 21, one end of the cylinder 21 extends out of the first insertion section 22, when the air duct 2 is installed on the step plate 133
  • the first plug-in section 22 is plugged into the first plug-in slot 1331 to fit tightly, the installation structure is simple, and the manufacturing cost is low.
  • a groove 1320 is provided on the outer surface of the expansion section 132, and the groove 1320 extends in the axial and circumferential directions to facilitate the installation of the sealing ring and the conversion interface.
  • a first convex edge 1321 and a second convex edge 1322 protrude from the outer surface of the expansion section 132 in the circumferential direction.
  • the first convex edge 1321 is disposed on the end surface of the expansion section 132.
  • One of the first convex edge 1321 and the second convex edge 1322 A positioning groove 1323 is formed between the first flange 1321 and the second flange 1322.
  • the groove 1320 is a T-shaped groove.
  • the groove 1320 includes an axial portion 1324 and a circumferential portion 1325.
  • the circumferential portion 1325 is located at the second
  • the two sides of the convex edge 1322 have simple structure and reasonable structure arrangement.
  • the production of the positioning groove 1323 is more standardized, which is convenient for the installation of the sealing ring and the conversion interface.
  • the inner tube diameter D3 of the air guide tube 2 is greater than or equal to the inner tube diameter D4 of the connecting section 131.
  • the air guide duct 2 and the exhaust duct 13 are made of different materials, and the manufacturing cost is low.
  • the step plate 133 is provided with a second insertion groove 1332
  • the air duct 2 includes a cylindrical body 21, a circular One end of the cylinder body 21 extends from the second plug-in section 23, the inner side of the second plug-in groove 1332 is provided with an external thread 1333, and the inner side of the second plug-in section 23 is provided with an internal thread 231. 2
  • the second insertion section 23 and the second insertion groove 1332 are threadedly connected, and the installation structure is simple.
  • the outer surface of the cylindrical body 21 is provided with a number of convex strips 211, which can increase the friction with the conversion interface and prevent loosening.
  • a step 1334 is provided on the edge of the step plate 133.
  • the air duct 2 includes a cylindrical body 21. When the tube 2 is installed on the step plate 133, one end of the cylindrical body 21 is nested on the step 1334, and the installation structure is simple.
  • the step plate 133 is provided with a first mounting hole 1335
  • the air duct 2 includes a cylindrical body 21.
  • a number of mounting feet 24 extend from one end of the body 21.
  • the mounting feet 24 are provided with second mounting holes 241.
  • the mounting feet 24 are supported on the step plate 133.
  • the first mounting holes 1335 and the second mounting holes 241 correspond to each other.
  • this embodiment provides an induced draft fan, which includes a volute assembly 200, a motor 3, a wind wheel, and a mounting bracket.
  • the wind wheel is installed in the inner cavity 12 of the volute assembly 200
  • the motor 3 is installed on the end surface 16 of the volute assembly 200 through a mounting bracket, and the front end of the rotating shaft of the motor 3 extends into the inner cavity 12 of the volute assembly 200 to be installed with the wind wheel, characterized in that: the volute assembly 200 is the volute assembly described in the first embodiment or the second embodiment or the third embodiment or the fourth embodiment.
  • the end face 16 of the volute 10 is provided with a mounting boss 14, and the mounting boss 14 is provided with a accommodating cavity 141.
  • the accommodating cavity 141 is equipped with a capacitor 4, which is between the capacitor 4 and the motor 3. It is electrically connected by leads to isolate and install the motor and the capacitor separately, so as not to affect the natural frequency of the motor, effectively preventing the capacitor and the motor from resonating, and effectively reducing the vibration and noise of the whole machine.
  • the accommodating cavity 141 on the mounting boss 14 matches the shape of the capacitor 4, which can ensure a close fit between the capacitor and the mounting boss, improve friction between the two, and prevent loosening.
  • a capacitor sleeve 41 is sleeved on the outer surface of the capacitor 4.
  • the top of the capacitor sleeve 41 is provided with an inner flange 42 which presses on the top of the capacitor 4.
  • the mounting boss 14 is provided with mounting
  • the protrusion 15 is provided with an undercut device 5 between the installation protrusion 15 and the capacitor sleeve 41, and the capacitor 4 is fixed on the installation boss 14 through the undercut device 5.
  • the structure is simple and the layout is reasonable, which can prevent the capacitor from loosening Get out.
  • the undercut device 5 includes a first undercut 51 and a second undercut 52, a first undercut 51 is provided on the inner side of the mounting tab 15, and an interlock is provided on the outer surface of the capacitor sleeve 41
  • the second undercut 52 of the capacitor sleeve 41 and the first undercut 51 of the mounting tab 15 are snap-fitted to fit the capacitor 4 It is fixed on the mounting boss 14 to effectively prevent the capacitor from loosening from the mounting boss.
  • An inclined surface 151 is provided on the top of the mounting protrusion 15 and the inclined surface 151 is inclined from the outside to the inside, which is convenient for assembling between the undercut devices.
  • volute 10 the mounting boss 14 and the mounting tab 15 are integrally injection molded.
  • Embodiment 6 is a diagrammatic representation of Embodiment 6
  • the undercut device 5 includes at least one buckle rivet hole 53 and a buckle rivet corner 54, and the mounting tab 15 is provided with At least one buckle rivet hole 53, the outer side of the capacitor sleeve 41 is provided with a buckle rivet corner 54, when the capacitor sleeve 41 is sleeved outside the capacitor 4, the buckle rivet corner 54 of the capacitor sleeve 41 passes through the buckle rivet
  • the hole 53 fastens the mounting tab 15 to fix the capacitor 4 on the mounting boss 14, effectively preventing the capacitor from loosening from the mounting boss.
  • this embodiment provides a gas stove, including an induced draft fan and a conversion interface 6, the adapter interface 6 is installed on the exhaust duct 13 of the induced draft fan, characterized in that:
  • the induced draft fan is the induced draft fan described in the fifth or sixth embodiment, the conversion interface 6 is embedded in the water storage cavity 100, and the conversion interface 6 and the expansion section 132 of the exhaust duct 13 are also
  • a sealing ring 7 is provided, the groove 1320 is located at the periphery of the sealing ring 7, a throat hoop 8 is installed in the positioning groove 1323, and the hoop body of the throat hoop 8 presses on the positioning groove 1323 and causes the groove 1320 to shrink and deform , So that the expansion section 132 and the conversion interface 6 are hug together.
  • the expansion section 132 of the induced draft fan can be slightly broken and then inserted into the conversion interface 6 and the sealing ring 7.
  • the conversion interface 6 and the sealing ring 7 are convenient and quick to install.
  • the hoop is locked on the positioning groove 1323, so that the expansion section 132 is pressed on the sealing ring 6, and the sealing effect between the expansion section 132, the sealing ring 7 and the conversion interface 6 is strengthened.
  • a water storage cavity 100 is formed between the inner wall of the conversion interface 6 and the air duct 2, and the water storage cavity 100 is in communication with the air outlet channel 111 to drain water.
  • the pipe 134 is connected to the water storage cavity 100.

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  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

一种蜗壳组件及其应用的引风机和燃气炉，包括蜗壳(10)和安装在蜗壳(10)底部的盖板(11)，蜗壳(10)与盖板(11)围成一个可安装风轮的内腔(12)，盖板(11)上设置进风口(111)，蜗壳(10)的侧面伸出排风管道(13)，在排风管道(13)的端部形成出风口(130)，排风管道(13)包括连接段(131)和扩张段(132)，连接段(131)与蜗壳(10)侧壁连接，扩张段(132)的内管径比连接段(131)的外管径大，在连接段(131)与扩张段(132)之间形成台阶板(133)，台阶板(133)上安装有导风管(2)，台阶板(133)、扩张段(132)和导风管(2)之间围成储水空腔(100)，在扩张段(132)的尾段设置排水管(134)与储水空腔(100)连通，该结构通用性强，结构和制造简单，制造成本低，能提高产品合格率，能通过使用不同出风直径的导风管与蜗壳配合提高引风机性能。

Description

一种蜗壳组件及其应用的引风机和燃气炉 技术领域：
本实用新型涉及一种蜗壳组件及其应用的引风机和燃气炉。
背景技术：
现有燃气炉中常使用的引风机包括蜗壳组件和安装在蜗壳组建内腔的风轮，风轮由安装在蜗壳组件上的电机带动转动，蜗壳的侧部设有与内腔连通的圆形出风管，出风管包括内管和外管，内管设有与所述内腔连通的出风口，所述外管与所述内管之间形成环状凹槽，在外管外面设置排水口与环状凹槽连通，为了改变引风机的出风方向，需在所述出风管上安装转换接口，所述转换接口嵌装中环状凹槽内，转换接口与外管之间还套有密封圈，所述内管是导风管。现有的引风机结构，存在如下缺点：1)外管、内管与蜗壳一体成型，内管的管径不能根据负载调整，适应范围差；2)外管、内管与蜗壳一体注塑成型，制造模具复杂，导致制造成本增加，工艺难度增大，产品合格率降低；3)内管外表面不方便形成更好的导流结构，影响产品功能；4：转换接口和密封圈套入环状凹槽内比较困难。
实用新型内容：
本实用新型的目的是提供一种蜗壳组件及其应用的引风机和燃气炉，能解决现有技术中外管、内管与蜗壳一体注塑成型导致适应性差、制造难度大，制造成本高的问题。
本实用新型的目的是通过下述技术方案予以实现的。
本实用新型的第一个目的是提供一种蜗壳组件，包括蜗壳和安装在蜗壳底部的盖板，蜗壳与盖板围城一个可安装风轮的内腔，盖板上设置进风口，蜗壳的侧面伸出排风管道，在排风管道的端部形成出风口，排风管道包括连接段和扩张段，连接段与蜗壳侧壁连接，扩张段的内管径D1比连接段的外管径D2大，在连接段与扩张段之间形成台阶板，其特征在于：所述台阶板上安装有导风管，台阶板、扩张段和导风管之间围成储水空腔，在扩张段的尾段设置排水管与储 水空腔连通。
上述所述台阶板上设有第一插接槽，所述导风管包括圆筒体，圆筒体的一端延伸出第一插接段，当导风管安装在台阶板上时，第一插接段插装在第一插接槽内紧密配合。
上述所述台阶板上设有第二插接槽，所述导风管包括圆筒体，圆筒体的一端延伸出第二插接段，所述第二插接槽的内侧面上设有外螺纹，所述第二插接段的内侧面上设有内螺纹，当导风管安装在台阶板上时，第二插接段与第二插接槽之间螺纹连接。
上述所述台阶板的边缘上开设有台阶，所述导风管包括圆筒体，当导风管安装在台阶板上时，圆筒体的一端嵌套在台阶上。
上述所述台阶板上设有第一安装孔，所述导风管包括圆筒体，圆筒体的一端设有若干安装脚，安装脚上设有第二安装孔，安装脚支承在台阶板上，第一安装孔与第二安装孔之间是对应的，当导风管安装在台阶板上时，通过螺钉旋进第二安装孔和第一安装孔，将导风管固定在台阶板上。
上述所述扩张段的外侧面上设有凹槽，凹槽沿轴向和周向延伸。
上述所述扩张段的外侧面周向凸出有第一凸边和第二凸边，第一凸边设置在扩张段的端面，第一凸边和第二凸边之间形成定位槽，所述凹槽位于第一凸边和第二凸边之间，凹槽为T形凹槽，凹槽包括轴向部和周向部，周向部位于第二凸边的两侧。
上述所述圆筒体的外表面上设有若干凸条。
上述所述导风管的内管径D3大于等于连接段的内管径D4。
上述所述导风管与排风管道采用不同的材料制造。
本实用新型的第二个目的是提供一种引风机，包括蜗壳组件、电机、风轮和安装支架，风轮安装在蜗壳组件的内腔里，电机通过安装支架安装在蜗壳组件的端面上，电机的转轴的前端部伸入到蜗壳组建的内腔里面与风轮安装在一起，其特征在于：所述蜗壳组件是上述所述的蜗壳组件。
上述所述蜗壳的端面上设有安装凸台，安装凸台内设有容置腔，容置腔里安装有电容，电容与电机之间通过引线电连接。
上述所述安装凸台上的容置腔与电容的形状匹配，电容的外表上套设有电容套筒，电容套筒的顶部设有内翻边，内翻边压在电容的顶部上，所述安装凸台的两侧设有安装凸片，安装凸片与电容套筒之间设有倒扣装置，通过倒扣装置将电容固定在安装凸台上。
上述所述倒扣装置包括第一倒扣和第二倒扣，所述安装凸片的内侧上设有第一倒扣，所述电容套筒的外侧面上设有互扣的第二倒扣，当电容套筒套设在电容外时，电容套筒的第二倒扣与安装凸片的第一倒扣之间扣装配合，将电容固定在安装凸台上。
上述所述倒扣装置包括至少一个扣铆孔和扣铆角，所述安装凸片上设有至少一个扣铆孔，所述电容套筒的外侧面上设有扣铆角，当电容套筒套设在电容外时，电容套筒的扣铆角穿过扣铆孔扣紧安装凸片，将电容固定在安装凸台上。
上述所述安装凸片的顶部上设有一倾斜面，倾斜面由外往内倾斜。
上述所述蜗壳、安装凸台和安装凸片是一体注塑成型的。
本实用新型的第三个目的是提供一种燃气炉，包括引风机和转换接口，所述转接接口安装在所述引风机的出风管上，其特征在于：所述引风机为上述所述的引风机，所述转换接口嵌装在所述储水空腔内，转换接口与出风管的扩张段之间还设有密封圈，所述凹槽位于密封圈外围，定位槽内安装有喉箍，喉箍的箍体压在定位槽上并使凹槽闭合。
本实用新型与现有技术相比，具有如下效果：
1)本实用新型包括蜗壳和安装在蜗壳底部的盖板，蜗壳与盖板围城一个可安装风轮的内腔，盖板上设置进风口，蜗壳的侧面伸出排风管道，在排风管道的端部形成出风口，排风管道包括连接段和扩张段，连接段与蜗壳侧壁连接，扩张段的内管径D1比连接段的外管径D2大，在连接段与扩张段之间形成台阶板，其特征在于：所述台阶板上安装有导风管，台阶板、扩张段和导风管之间 围成储水空腔，在扩张段的尾段设置排水管与储水空腔连通，该结构通用性强，结构简单，制造简单，制造成本低，提高产品的合格率，还能通过使用不同出风直径的导风管与蜗壳配合提高引风机性能。
2)其它优点在具体实施例中作详细说明。
附图说明：
图1是本实用新型中实施例一的立体图；
图2是本实用新型中实施例一的立体分解图；
图3是图2中A的局部放大图；
图4是本实用新型中实施例一的侧视图；
图5是图4中B-B的剖视图；
图6是图5中D的局部放大图；
图7是图4中C-C的剖视图；
图8是本实用新型中实施例一的导风管结构示意图；
图9是本实用新型中实施例二的结构示意图；
图10是本实用新型中实施例二的导风管结构示意图；
图11是本实用新型中实施例二的侧视图；
图12是图11中E-E的剖视图；
图13是图12中F的局部放大图；
图14是本实用新型中实施例三的结构示意图；
图15是本实用新型中实施例三的侧视图；
图16是图15中G-G的剖视图；
图17是图16中F的局部放大图；
图18是本实用新型中实施例四的结构示意图；
图19是本实用新型中实施例四的导风管结构示意图；
图20是本实用新型中实施例四的侧视图；
图21是图20中L-L的剖视图；
图22是图21中K的局部放大图；
图23是本实用新型中实施例五的立体图；
图24是本实用新型中实施例五的另一角度立体图；
图25是本实用新型中实施例五的局部分解图；
图26是图25中H的局部放大图；
图27是本实用新型中实施例一的俯视图；
图28是图27中J-J的剖视图；
图29是图28中M的局部放大图；
图30是本实用新型中实施例六的局部分解图；
图31是图30中N的局部放大图；
图32是本实用新型中实施例六的俯视图；
图33是图32中R-R的剖视图；
图34是图33中P的局部放大图。
图35是本实用新型中实施例七的结构示意图；
图36是本实用新型中实施例七的局部结构分解图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：
如图1至图8所示，本实施例提供的是一种蜗壳组件，包括蜗壳10和安装在蜗壳10底部的盖板11，蜗壳10与盖板11围城一个可安装风轮的内腔12，盖板11上设置进风口111，蜗壳10的侧面伸出排风管道13，在排风管道13的端部形成出风口130，排风管道13包括连接段131和扩张段132，连接段131与蜗壳10侧壁连接，扩张段132的内管径D1比连接段131的外管径D2大，在连接段131与扩张段132之间形成台阶板133，其特征在于：所述台阶板133上安装有导风管2，台阶板133、扩张段132和导风管2之间围成储水空腔100，在扩张段132的尾段设置排水管134与储水空腔100连通，该结构通用性强， 结构简单，制造简单，制造成本低，提高产品的合格率，还能通过使用不同出风直径的导风管与蜗壳配合提高引风机性能。
所述台阶板133上设有第一插接槽1331，导风管2包括圆筒体21，圆筒体21的一端延伸出第一插接段22，当导风管2安装在台阶板133上时，第一插接段22插装在第一插接槽1331内紧密配合，安装结构简单，制造成本低。
所述扩张段132的外侧面上设有凹槽1320，凹槽1320沿轴向和周向延伸，便于密封圈和转换接口安装。
所述扩张段132的外侧面周向凸出有第一凸边1321和第二凸边1322，第一凸边1321设置在扩张段132的端面，第一凸边1321和第二凸边1322之间形成定位槽1323，凹槽1320位于第一凸边1321和第二凸边1322之间，凹槽1320为T形凹槽，凹槽1320包括轴向部1324和周向部1325，周向部1325位于第二凸边1322的两侧，结构简单，结构布置合理，定位槽1323生产更规范，便于密封圈和转换接口安装。
所述导风管2的内管径D3大于等于连接段131的内管径D4。
所述导风管2与排风管道13采用不同的材料制造，制造成本低。
实施例二：
如图9至图13所示，本实施例是根据实施例一的基础进一步改进，所述台阶板133上设有第二插接槽1332，所述导风管2包括圆筒体21，圆筒体21的一端延伸出第二插接段23，第二插接槽1332的内侧面上设有外螺纹1333，第二插接段23的内侧面上设有内螺纹231，当导风管2安装在台阶板133上时，第二插接段23与第二插接槽1332之间螺纹连接，安装结构简单。
所述圆筒体21的外表面上设有若干凸条211，可以提高与转换接口之间的摩擦，防止松脱。
实施例三：
如图14至图17所示，本实施例是根据实施例一的基础进一步改进，所述台阶板133的边缘上开设有台阶1334，所述导风管2包括圆筒体21，当导风管2安装在台阶板133上时，所述圆筒体21的一端嵌套在台阶1334上，安装结构简单。
实施例四：
如图18至图22所示，本实施例是根据实施例一的基础进一步改进，所述台阶板133上设有第一安装孔1335，所述导风管2包括圆筒体21，圆筒体21的一端伸出若干安装脚24，安装脚24上设有第二安装孔241，安装脚24支承在台阶板133上，第一安装孔1335与第二安装孔241之间是对应的，当导风管2安装在台阶板133上时，通过螺钉25旋进第二安装孔241和第一安装孔1335，将导风管2固定在台阶板133上，安装结构简单。
实施例五：
如图23至图29所示，本实施例提供的是一种引风机，包括蜗壳组件200、电机3、风轮和安装支架，风轮安装在蜗壳组件200的内腔12里，电机3通过安装支架安装在蜗壳组件200的端面16上，电机3的转轴的前端部伸入到蜗壳组件200的内腔12里面与风轮安装在一起，其特征在于：所述蜗壳组件200是上述实施例一或实施例二或实施例三或实施例四所述的蜗壳组件。
作为一种优选项，所述蜗壳10的端面16上设有安装凸台14，安装凸台14内设有容置腔141，容置腔141里安装有电容4，电容4与电机3之间通过引线电连接，将电机与电容之间隔离分开安装，从而不会影响电机的固有频率，有效防止电容与电机产生共振，有效降低整机的振动和噪音。
所述安装凸台14上的容置腔141与电容4的形状匹配，可以保证电容与安装凸台之间紧密配合，提高两者之间摩擦，防止松脱。电容4的外表上套设有电容套筒41，电容套筒41的顶部设有内翻边42，内翻边42压在电容4的顶部 上，所述安装凸台14的两侧设有安装凸片15，所述安装凸片15与电容套筒41之间设有倒扣装置5，通过倒扣装置5将电容4固定在安装凸台14上，结构简单，布置合理，可以防止电容松脱出来。
所述倒扣装置5包括第一倒扣51和第二倒扣52，所述安装凸片15的内侧上设有第一倒扣51，所述电容套筒41的外侧面上设有互扣的第二倒扣52，当电容套筒41套设在电容4外时，电容套筒41的第二倒扣52与安装凸片15的第一倒扣51之间扣装配合，将电容4固定在安装凸台14上，有效防止电容从安装凸台上松脱。
所述安装凸片15的顶部上设有一倾斜面151，倾斜面151由外往内倾斜，便于倒扣装置之间装配。
所述蜗壳10、安装凸台14和安装凸片15是一体注塑成型的。
实施例六：
如图30至图34所示，本实施例是根据实施例五的基础进一步改进，所述倒扣装置5包括至少一个扣铆孔53和扣铆角54，所述安装凸片15上设有至少一个扣铆孔53，所述电容套筒41的外侧面上设有扣铆角54，当电容套筒41套设在电容4外时，电容套筒41的扣铆角54穿过扣铆孔53扣紧安装凸片15，将电容4固定在安装凸台14上，有效防止电容从安装凸台上松脱。
实施例七：
如图35至36所示，本实施例提供的是一种燃气炉，包括引风机和转换接口6，转接接口6安装在所述引风机的排风管道13上，其特征在于：所述引风机为实施例五或实施例六所述的引风机，所述转换接口6嵌装在所述储水空腔100内，转换接口6与所述排风管道13的扩张段132之间还设有密封圈7，所述凹槽1320位于所述密封圈7外围，所述定位槽1323内安装有喉箍8，喉箍8的箍体压在定位槽1323上并使凹槽1320收缩变形，以便扩张段132与转换接 口6抱紧在一起。
本实施例所述燃气炉中，转换接口6的安装时可将引风机的扩张段132稍微掰开再套入转换接口6和密封圈7，转换接口6和密封圈7安装方便快捷，用喉箍锁紧在定位槽1323上，使扩张段132压在所述密封圈6上，加强了扩张段132、密封圈7与转换接口6之间的密封效果。
上述所述转换接口6套入所述储水空腔100后，转换接口6内壁与导风管2之间形成储水空腔100，储水空腔100与所述出风通道111连通，排水管134与储水空腔100连通，引风机工作时，风轮转动形成气流，气流从内腔12通过出风通道111流出至转换接口6，气流中的水汽逐渐冷却变成冷凝水，冷凝水从储水空腔100流进排水管134中，并通过排水管排出到引风机外。
以上实施例为本实用新型的较佳实施方式，但本实用新型的实施方式不限于此，其他任何未背离本实用新型的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本实用新型的保护范围之内。

Claims (18)

  1. 一种蜗壳组件，包括蜗壳(10)和安装在蜗壳(10)底部的盖板(11)，蜗壳(10)与盖板(11)围城一个可安装风轮的内腔(12)，盖板(11)上设置进风口(111)，蜗壳(10)的侧面伸出排风管道(13)，在排风管道(13)的端部形成出风口(130)，排风管道(13)包括连接段(131)和扩张段(132)，连接段(131)与蜗壳(10)侧壁连接，扩张段(132)的内管径D1比连接段(131)的外管径D2大，在连接段(131)与扩张段(132)之间形成台阶板(133)，其特征在于：所述台阶板(133)上安装有导风管(2)，台阶板(133)、扩张段(132)和导风管(2)之间围成储水空腔(100)，在扩张段(132)的尾段设置排水管(134)与储水空腔(100)连通。
  2. 根据权利要求1所述的一种蜗壳组件，其特征在于：所述台阶板(133)上设有第一插接槽(1331)，所述导风管(2)包括圆筒体(21)，圆筒体(21)的一端延伸出第一插接段(22)，当导风管(2)安装在台阶板(133)上时，第一插接段(22)插装在第一插接槽(1331)内紧密配合。
  3. 根据权利要求1所述的一种蜗壳组件，其特征在于：所述台阶板(133)上设有第二插接槽(1332)，所述导风管(2)包括圆筒体(21)，圆筒体(21)的一端延伸出第二插接段(23)，第二插接槽(1332)的内侧面上设有外螺纹(1333)，第二插接段(23)的内侧面上设有内螺纹(231)，当导风管(2)安装在台阶板(133)上时，第二插接段(23)与第二插接槽(1332)之间螺纹连接。
  4. 根据权利要求1所述的一种蜗壳组件，其特征在于：所述台阶板(133)的边缘上开设有台阶(1334)，所述导风管(2)包括圆筒体(21)，当导风管(2)安装在台阶板(133)上时，圆筒体(21)的一端嵌套在台阶(1334)上。
  5. 根据权利要求1所述的一种蜗壳组件，其特征在于：所述台阶板(133)上设有第一安装孔(1335)，所述导风管(2)包括圆筒体(21)，圆筒体(21)的一端伸出若干安装脚(24)，安装脚(24)上设有第二安装孔(241)，安装 脚(24)支承在台阶板(133)上，第一安装孔(1335)与第二安装孔(241)之间是对应的，当导风管(2)安装在台阶板(133)上时，通过螺钉(25)旋进第二安装孔(241)和第一安装孔(1335)，将导风管(2)固定在台阶板(133)上。
  6. 根据权利要求1或2或3或4或5所述的一种蜗壳组件，其特征在于：所述扩张段(132)的外侧面上设有凹槽(1320)，凹槽(1320)沿轴向和周向延伸。
  7. 根据权利要求6所述的一种蜗壳组件，其特征在于：所述扩张段(132)的外侧面周向凸出有第一凸边(1321)和第二凸边(1322)，所述第一凸边(1321)设置在扩张段(132)的端面，第一凸边(1321)和第二凸边(1322)之间形成定位槽(1323)，所述凹槽(1320)位于第一凸边(1321)和第二凸边(1322)之间，凹槽(1320)为T形凹槽，凹槽(1320)包括轴向部(1324)和周向部(1325)，周向部(1325)位于第二凸边(1322)的两侧。
  8. 根据权利要求3所述的一种蜗壳组件，其特征在于:所述圆筒体(21)的外表面上设有若干凸条(211)。
  9. 根据权利要求7所述的一种蜗壳组件，其特征在于：所述导风管(2)的内管径D3大于等于连接段(131)的内管径D4。
  10. 根据权利要求7所述的一种蜗壳组件，其特征在于：所述导风管(2)与排风管道(13)采用不同的材料制造。
  11. 一种引风机，包括蜗壳组件(200)、电机(3)、风轮和安装支架，风轮安装在蜗壳组件(200)的内腔(12)里，电机(3)通过安装支架安装在蜗壳组件(200)的端面(16)上，电机(3)的转轴的前端部伸入到蜗壳组件(200)的内腔(12)里面与风轮安装在一起，其特征在于：所述蜗壳组件(200)是上述权利要求1至权利要求10任意一项所述的蜗壳组件。
  12. 根据权利要求11所述的一种引风机，其特征在于：所述蜗壳(10)的端面(16)上设有安装凸台(14)，安装凸台(14)内设有容置腔(141)，容 置腔(141)里安装有电容(4)，电容(4)与电机(3)之间通过引线电连接。
  13. 根据权利要求12所述的一种风机，其特征在于：所述安装凸台(14)上的容置腔(141)与电容(4)的形状匹配，电容(4)的外表上套设有电容套筒(41)，电容套筒(41)的顶部设有内翻边(42)，内翻边(42)压在电容(4)的顶部上，安装凸台(14)的两侧设有安装凸片(15)，安装凸片(15)与电容套筒(41)之间设有倒扣装置(5)，通过倒扣装置(5)将电容(4)固定在安装凸台(14)上。
  14. 根据权利要求13所述的一种引风机，其特征在于：所述倒扣装置(5)包括第一倒扣(51)和第二倒扣(52)，所述安装凸片(15)的内侧上设有第一倒扣(51)，所述电容套筒(41)的外侧面上设有互扣的第二倒扣(52)，当电容套筒(41)套设在电容(4)外时，电容套筒(41)的第二倒扣(52)与安装凸片(15)的第一倒扣(51)之间扣装配合，将电容(4)固定在安装凸台(14)上。
  15. 根据权利要求13所述的一种引风机，其特征在于：所述倒扣装置(5)包括至少一个扣铆孔(53)和扣铆角(54)，所述安装凸片(15)上设有至少一个扣铆孔(53)，所述电容套筒(41)的外侧面上设有扣铆角(54)，当电容套筒(41)套设在电容(4)外时，电容套筒(41)的扣铆角(54)穿过扣铆孔(53)扣紧安装凸片(15)，将电容(4)固定在安装凸台(14)上。
  16. 根据权利要求14或15所述的一种引风机，其特征在于：所述安装凸片(15)的顶部上设有一倾斜面(151)，倾斜面(151)由外往内倾斜。
  17. 根据权利要求16所述的一种引风机，其特征在于：所述蜗壳(10)、安装凸台(14)和安装凸片(15)是一体注塑成型的。
  18. 一种燃气炉，包括引风机和转换接口(6)，所述转接接口(6)安装在所述引风机的排风管道(13)上，其特征在于：所述引风机为权利要求11至17中任意一项所述的引风机，所述转换接口(6)嵌装在所述储水空腔(100)内，转换接口(6)与排风管道(13)的扩张段之间还设有密封圈(7)，所述 凹槽(1320)位于密封圈(7)外围，定位槽(1323)内安装有喉箍(8)，喉箍(8)的箍体压在定位槽(1323)上并使凹槽(1320)闭合。
PCT/CN2020/083866 2019-08-02 2020-04-09 一种蜗壳组件及其应用的引风机和燃气炉 WO2021022823A1 (zh)

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