WO2012142747A1 - Water drain structure for blower - Google Patents

Water drain structure for blower Download PDF

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Publication number
WO2012142747A1
WO2012142747A1 PCT/CN2011/073017 CN2011073017W WO2012142747A1 WO 2012142747 A1 WO2012142747 A1 WO 2012142747A1 CN 2011073017 W CN2011073017 W CN 2011073017W WO 2012142747 A1 WO2012142747 A1 WO 2012142747A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
blower
stop
casing
drainage structure
Prior art date
Application number
PCT/CN2011/073017
Other languages
French (fr)
Chinese (zh)
Inventor
雷威
梁三增
刘湘
Original Assignee
中山大洋电机制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中山大洋电机制造有限公司 filed Critical 中山大洋电机制造有限公司
Priority to CN2011900000887U priority Critical patent/CN202768452U/en
Priority to PCT/CN2011/073017 priority patent/WO2012142747A1/en
Priority to MX2013007783A priority patent/MX2013007783A/en
Priority to CA2818700A priority patent/CA2818700A1/en
Publication of WO2012142747A1 publication Critical patent/WO2012142747A1/en
Priority to US13/744,404 priority patent/US20130129491A1/en

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Classifications

    • 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
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/706—Humidity separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps

Definitions

  • the utility model relates to a blower drainage structure.
  • the thermal efficiency of the developed furnace has approached 90%.
  • the efficiency of the furnace rises, the amount of liquid or moisture carried in the exhaust gas increases correspondingly, and the condensed water is released from the exhaust gas. Therefore, the more condensate is formed, the more efficient the furnace becomes.
  • the amount of condensate formed also depends on the relative humidity of the air used in the combustion. Condensate in the blower exhaust, especially in the blower cover, must be removed as it can cause problems with the furnace's performance. For example, condensed water accumulated in the enclosure may cause a decrease in air performance in the blower, which may cause the furnace to be extinguished.
  • the second reason is that the condensate in the vent gas is acidic, which is also the focus of the choice of furnace materials.
  • the volute of the furnace blower is provided with a drain port and a drain pipe joint is assembled, and the condensed water accumulated in the volute is drained, and it is found that the condensed water can be discharged only when the blower is not energized. .
  • the suction generated by the Venturi effect of the airflow across the opening of the drain joint is sufficient to prevent or prevent liquid condensate from draining out of the condensate drain. The effect is not satisfactory;
  • a drainage structure is provided at the joint bushing where the air outlet pipe and the exhaust pipe are connected.
  • the purpose of the utility model is to provide a blower drainage structure, which can effectively discharge condensed water quickly, and has a reasonable structure, low manufacturing cost and quick and convenient installation.
  • a blower drainage structure comprises a casing and a casing cover, the casing and the casing cover are mounted together, and a cavity is formed in the middle for accommodating the wind wheel, and a side wall of the casing protrudes from the air pipe to communicate with the cavity,
  • the air duct is provided with a drain.
  • the drain port described above is located on the opposite side of the cover.
  • the inner wall of the air outlet duct is recessed to form a water conduit, and the water channel is connected to the water outlet.
  • the above-mentioned end is provided with a joint sleeve at the end of the air outlet pipe, and the joint sleeve includes a left sleeve, a right sleeve and a stop ⁇ in the middle, and the inner diameter of the stop ⁇ is smaller than that of the left sleeve and the right sleeve.
  • the inner diameter is small to form the left step and the right step, the outlet pipe is sleeved inside the left casing, the end face of the outlet pipe is limited by the left step, the inner wall of the stop sill is provided with a guide groove, and the guide groove is connected with the water conduit.
  • the inner walls of the stoppers described above are provided with a plurality of flow guiding grooves at intervals in the circumferential direction.
  • the right bushing described above is at one end of the exhaust pipe, and the end face of the exhaust pipe is limited by the right step, and the inner wall of the exhaust pipe is flush with the inner wall of the stop weir.
  • the utility model has the following effects: 1) the side wall of the casing of the utility model protrudes from the air duct and the drainage outlet, the structure cylinder is simple, the layout is reasonable, 2) the inner wall of the air outlet tube is concave Forming a water conduit, the water conduit is connected to the drain port, and the condensed water can be quickly and effectively removed; 3) a joint sleeve is arranged at the end of the air outlet pipe, and the joint bushing includes a left sleeve, a right sleeve and a stop at the middle ⁇ , the inner wall of the retaining jaw forms a left step and a right step than the inner wall of the left casing and the right casing, and the outlet pipe is sleeved inside the left casing, and the end face of the outlet pipe is The left step is limited, the inner wall of the stop ⁇ is provided with a guide groove, the inner wall of the outlet pipe is flush with the inner wall of the stop ,, the joint slee
  • Figure 1 is a perspective view of the present invention.
  • Figure 2 is an exploded view of the present invention.
  • Figure 3 is a perspective view of the utility model with the exhaust duct removed.
  • Figure 4 is a front elevational view of the utility model with the exhaust duct removed.
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a partial enlarged view of B-B of Figure 5.
  • Figure 7 is a perspective view of the joint sleeve of the present invention.
  • Figure 8 is a cross-sectional view of the joint sleeve of the present invention.
  • a blower drainage structure includes a casing 1 , a cover 2 and a motor 7 .
  • the casing 1 and the cover 2 are mounted together to form a cavity 3 for accommodating the wind wheel.
  • the side wall of the casing 1 protrudes from the air duct 4 and communicates with the cavity 3, and is characterized in that: a drain port 41 is provided in the air outlet pipe 4, and the drain port 41 is located on the opposite side of the casing cover 2, in the air outlet pipe 4
  • the inner wall is recessed to form a water conduit 42.
  • the water conduit 42 is in communication with the drain port 41.
  • a joint sleeve 5 is provided at the end of the air outlet pipe 4, a joint sleeve 5 is provided.
  • the joint sleeve 5 includes a left sleeve 51, a right sleeve 52 and a middle portion. Stop ⁇ 53, the inner diameter of the stop ⁇ 53 is smaller than the left sleeve 51, the right sleeve The inner diameter of 52 is small to form a left step 531 and a right step 532.
  • the air outlet tube 4 is sleeved inside the left sleeve 51, and the end surface of the air outlet tube 4 is limited by the left step 531.
  • the inner wall of the stop jaw 53 is provided with a guide groove 533. The inner wall of the air outlet pipe 4 is flush with the inner wall of the stop weir 53 and the guide groove 533 is in contact with the water conduit 42.
  • the inner wall of the stop weir 53 is circumferentially spaced apart from the plurality of guide grooves 533, and the right sleeve 52 is disposed. At one end of the exhaust duct 6, the end face of the exhaust duct 6 is limited by the right step 532, and the inner wall of the exhaust duct 6 is flush with the inner wall of the stop weir 53.
  • the working principle of the utility model is that the amount of liquid or moisture carried in the exhaust gas of the furnace is released in the blower during the working process and the condensed water is formed in the exhaust duct 6, and the condensed water is guided through the inner wall of the stop ⁇ 53.
  • the groove 533 and the inner wall of the air outlet pipe 4 are recessed to form a water conduit 42.
  • the air outlet pipe 4 is provided with a drain port 41 for discharge, and the structure is simple, the manufacturing cost is low, the installation is convenient, and the drainage effect is ideal.

Abstract

A water drain structure for a blower includes a shell (1) and a shell cover (2). The shell (1) and the shell cover (2) are mounted together. A cavity (3) is formed in the middle of the shell for accommodating a wind wheel. An air discharge pipe (4) projects from a side wall of the shell (1) and communicates with the cavity (3). A drain hole (41) is provided at the air discharge pipe (4). The device has a simple structure, low cost in manufacture, convenient installation and ideal water drain effect.

Description

一种鼓风机排水结构 技术领域：  Air blower drainage structure Technical field:
本实用新型涉及一种鼓风机排水结构。  The utility model relates to a blower drainage structure.
背景技术： Background technique:
制炉工业中， 为了努力将燃料资源的利用最小化， 已开发出的制 热炉的热效率接近 90%。 由于炉子的效率上升， 排出气体中携带的液 体量或湿气相应增加， 冷凝水从排出气体中释放出来。 因此， 形成的 冷凝水越多， 炉子就变得更加有效。 形成的冷凝水量还取决于燃烧时 所用空气的相对湿度。鼓风机排气装置中， 尤其是在鼓风机外罩中的 冷凝水须排除掉， 因为它会引起炉子运行性能的问题。 例如， 外罩中 聚积的冷凝水可能导致鼓风机中空气性能的降低，这可能引起炉子熄 灭。再就是因为排出气中的冷凝水是酸性的， 这也是炉体材料的选用 所关注的。  In the furnace industry, in order to minimize the use of fuel resources, the thermal efficiency of the developed furnace has approached 90%. As the efficiency of the furnace rises, the amount of liquid or moisture carried in the exhaust gas increases correspondingly, and the condensed water is released from the exhaust gas. Therefore, the more condensate is formed, the more efficient the furnace becomes. The amount of condensate formed also depends on the relative humidity of the air used in the combustion. Condensate in the blower exhaust, especially in the blower cover, must be removed as it can cause problems with the furnace's performance. For example, condensed water accumulated in the enclosure may cause a decrease in air performance in the blower, which may cause the furnace to be extinguished. The second reason is that the condensate in the vent gas is acidic, which is also the focus of the choice of furnace materials.
为了处理聚积的冷凝水， 一种方式是： 炉子鼓风机的蜗壳设置排 水口并装配一个排水管接头，排走聚积在蜗壳中冷凝水，发现只有在 鼓风机处于未通电状态时才能排出冷凝水。 当鼓风机通电时（即运行 中）， 跨过排水管接头开孔的气流的文丘里效应产生的吸力， 足以阻 碍或阻止液态冷凝水排出冷凝水排出管，效果不理想；另一种方式是： 在出风管与排气管道相连接的接头套管处设置排水结构， 然而， 这种 排水管接头结构复杂， 制造成本高， 安装麻烦， 排水效果不理想。 发明内容： 本实用新型的目的是提供一种鼓风机排水结构，它能有效快速 排出冷凝水， 且结构筒单合理， 制造成本低， 安装快速方便。 In order to process the accumulated condensed water, one way is: The volute of the furnace blower is provided with a drain port and a drain pipe joint is assembled, and the condensed water accumulated in the volute is drained, and it is found that the condensed water can be discharged only when the blower is not energized. . When the blower is energized (ie, in operation), the suction generated by the Venturi effect of the airflow across the opening of the drain joint is sufficient to prevent or prevent liquid condensate from draining out of the condensate drain. The effect is not satisfactory; A drainage structure is provided at the joint bushing where the air outlet pipe and the exhaust pipe are connected. However, the drain pipe joint has a complicated structure, high manufacturing cost, troublesome installation, and unsatisfactory drainage effect. Summary of the invention: The purpose of the utility model is to provide a blower drainage structure, which can effectively discharge condensed water quickly, and has a reasonable structure, low manufacturing cost and quick and convenient installation.
本实用新型的目的是通过下述技术方案予以实现的。  The object of the present invention is achieved by the following technical solutions.
一种鼓风机排水结构，包括壳体和壳盖，壳体与壳盖安装在一起， 中间形成可以容置风轮的空腔， 壳体的侧壁凸出出风管与空腔连通， 在出风管设置排水口。  A blower drainage structure comprises a casing and a casing cover, the casing and the casing cover are mounted together, and a cavity is formed in the middle for accommodating the wind wheel, and a side wall of the casing protrudes from the air pipe to communicate with the cavity, The air duct is provided with a drain.
上述所述的排水口位于与壳盖相反的一侧。  The drain port described above is located on the opposite side of the cover.
上述所述在出风管的内壁凹陷形成引水道， I水道与排水口连 通。  In the above, the inner wall of the air outlet duct is recessed to form a water conduit, and the water channel is connected to the water outlet.
上述所述的在出风管的端部套装有接头套管，接头套管包括左套 管、 右套管和位于中间的止挡圏， 止挡圏的内径比左套管、 右套管的 内径小形成左台阶和右台阶， 出风管套在左套管里面， 出风管的端面 被左台阶限位， 止挡圏的内壁设置导流槽， 且导流槽与引水道相接。  The above-mentioned end is provided with a joint sleeve at the end of the air outlet pipe, and the joint sleeve includes a left sleeve, a right sleeve and a stop 位于 in the middle, and the inner diameter of the stop 比 is smaller than that of the left sleeve and the right sleeve. The inner diameter is small to form the left step and the right step, the outlet pipe is sleeved inside the left casing, the end face of the outlet pipe is limited by the left step, the inner wall of the stop sill is provided with a guide groove, and the guide groove is connected with the water conduit.
上述所述的止挡圏的内壁沿周向间隔设置多条导流槽。  The inner walls of the stoppers described above are provided with a plurality of flow guiding grooves at intervals in the circumferential direction.
上述所述的右套管套在排气管道的一端， 排气管道的端面被右台 阶限位， 排气管道的内壁与止挡圏的内壁平齐。  The right bushing described above is at one end of the exhaust pipe, and the end face of the exhaust pipe is limited by the right step, and the inner wall of the exhaust pipe is flush with the inner wall of the stop weir.
本实用新型与现有技术相比， 具有如下效果： 1 )本实用新型的壳 体的侧壁凸出出风管与设置排水口， 结构筒单， 布局合理， 2 ) 出风 管的内壁凹陷形成引水道， 引水道与排水口连通， 可以快速有效排除 冷凝水； 3 )在出风管的端部套装有接头套管， 接头套管包括左套管、 右套管和位于中间的止挡圏， 止挡圏的内壁比左套管、右套管的内壁 凸起形成左台阶和右台阶， 出风管套在左套管里面， 出风管的端面被 左台阶限位， 止挡圏的内壁设置导流槽， 出风管的内壁与止挡圏的内 壁平齐， 接头套管结构筒单， 安装方便， 制造成本低， 且内置导流槽 与引水道相接， 可以快速有效排除冷凝水。 Compared with the prior art, the utility model has the following effects: 1) the side wall of the casing of the utility model protrudes from the air duct and the drainage outlet, the structure cylinder is simple, the layout is reasonable, 2) the inner wall of the air outlet tube is concave Forming a water conduit, the water conduit is connected to the drain port, and the condensed water can be quickly and effectively removed; 3) a joint sleeve is arranged at the end of the air outlet pipe, and the joint bushing includes a left sleeve, a right sleeve and a stop at the middle圏, the inner wall of the retaining jaw forms a left step and a right step than the inner wall of the left casing and the right casing, and the outlet pipe is sleeved inside the left casing, and the end face of the outlet pipe is The left step is limited, the inner wall of the stop 设置 is provided with a guide groove, the inner wall of the outlet pipe is flush with the inner wall of the stop ,, the joint sleeve structure is simple, the installation is convenient, the manufacturing cost is low, and the built-in guide groove and the guide When the waterways meet, the condensate can be quickly and effectively removed.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
图 1 是本实用新型的立体图。  Figure 1 is a perspective view of the present invention.
图 2是本实用新型的分解图。  Figure 2 is an exploded view of the present invention.
图 3 是本实用新型的拆除排气管道后的立体图。  Figure 3 is a perspective view of the utility model with the exhaust duct removed.
图 4是本实用新型的拆除排气管道后的主视图。  Figure 4 is a front elevational view of the utility model with the exhaust duct removed.
图 5是图 4的 A-A剖视图。  Figure 5 is a cross-sectional view taken along line A-A of Figure 4;
图 6是图 5的 B-B局部放大图。  Figure 6 is a partial enlarged view of B-B of Figure 5.
图 7是本实用新型接头套管的立体图。  Figure 7 is a perspective view of the joint sleeve of the present invention.
图 8是本实用新型接头套管的剖视图。  Figure 8 is a cross-sectional view of the joint sleeve of the present invention.
具体实施方式： detailed description:
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。  The present invention will be further described in detail below by way of specific embodiments and with reference to the accompanying drawings.
如图 1至图 8所示， 一种鼓风机排水结构， 包括壳体 1、 壳盖 2 和电机 7 , 壳体 1与壳盖 2安装在一起， 中间形成可以容置风轮的空 腔 3 , 壳体 1的侧壁凸出出风管 4与空腔 3连通， 其特征在于： 在出 风管 4设置排水口 41 , 排水口 41位于与壳盖 2相反的一侧， 在出风 管 4的内壁凹陷形成引水道 42 , 引水道 42与排水口 41连通， 在出 风管 4的端部套装有接头套管 5 ,接头套管 5包括左套管 51、右套管 52和位于中间的止挡圏 53 , 止挡圏 53的内经比左套管 51、 右套管 52的内径小形成左台阶 531和右台阶 532 , 出风管 4套在左套管 51 里面， 出风管 4的端面被左台阶 531限位， 止挡圏 53的内壁设置导 流槽 533 , 出风管 4的内壁与止挡圏 53的内壁平齐， 且导流槽 533 与引水道 42相接，止挡圏 53的内壁沿周向间隔设置多条导流槽 533 , 右套管 52套在排气管道 6的一端， 排气管道 6的端面被右台阶 532 限位， 排气管道 6的内壁与止挡圏 53的内壁平齐。 As shown in FIG. 1 to FIG. 8 , a blower drainage structure includes a casing 1 , a cover 2 and a motor 7 . The casing 1 and the cover 2 are mounted together to form a cavity 3 for accommodating the wind wheel. The side wall of the casing 1 protrudes from the air duct 4 and communicates with the cavity 3, and is characterized in that: a drain port 41 is provided in the air outlet pipe 4, and the drain port 41 is located on the opposite side of the casing cover 2, in the air outlet pipe 4 The inner wall is recessed to form a water conduit 42. The water conduit 42 is in communication with the drain port 41. At the end of the air outlet pipe 4, a joint sleeve 5 is provided. The joint sleeve 5 includes a left sleeve 51, a right sleeve 52 and a middle portion. Stop 圏53, the inner diameter of the stop 圏53 is smaller than the left sleeve 51, the right sleeve The inner diameter of 52 is small to form a left step 531 and a right step 532. The air outlet tube 4 is sleeved inside the left sleeve 51, and the end surface of the air outlet tube 4 is limited by the left step 531. The inner wall of the stop jaw 53 is provided with a guide groove 533. The inner wall of the air outlet pipe 4 is flush with the inner wall of the stop weir 53 and the guide groove 533 is in contact with the water conduit 42. The inner wall of the stop weir 53 is circumferentially spaced apart from the plurality of guide grooves 533, and the right sleeve 52 is disposed. At one end of the exhaust duct 6, the end face of the exhaust duct 6 is limited by the right step 532, and the inner wall of the exhaust duct 6 is flush with the inner wall of the stop weir 53.
本实用新型的工作原理是：工作过程中炉子排出气体中携带的液体量 或湿气在鼓风机中释放出来并在排气管道 6的形成冷凝水，冷凝水通 过止挡圏 53的内壁设置导流槽 533、 出风管 4的内壁凹陷形成引水 道 42 , 最后从出风管 4设置排水口 41排出， 结构筒单， 制造成本低， 安装方便， 排水效果理想。 The working principle of the utility model is that the amount of liquid or moisture carried in the exhaust gas of the furnace is released in the blower during the working process and the condensed water is formed in the exhaust duct 6, and the condensed water is guided through the inner wall of the stop 圏53. The groove 533 and the inner wall of the air outlet pipe 4 are recessed to form a water conduit 42. Finally, the air outlet pipe 4 is provided with a drain port 41 for discharge, and the structure is simple, the manufacturing cost is low, the installation is convenient, and the drainage effect is ideal.

Claims

权 利 要 求 Rights request
1、 一种鼓风机排水结构， 包括壳体（ 1 )和壳盖（ 2 ), 壳体（ 1 ) 与壳盖（2)安装在一起， 中间形成可以容置风轮的空腔（3), 壳体 A blower drainage structure comprising a casing (1) and a casing cover (2), the casing (1) being mounted with the casing cover (2), and a cavity (3) capable of accommodating the wind wheel is formed in the middle, case
( 1 ) 的侧壁凸出出风管 （4)与空腔（3)连通， 其特征在于： 在出 风管 （4)设置排水口 （41)。 The side wall of the (1) protrudes from the air duct (4) and communicates with the cavity (3), and is characterized in that a drain port (41) is provided in the air duct (4).
2、 根据权利要求 1所述的一种鼓风机排水结构， 其特征在于： 排水口 （ " )位于与壳盖（ 2 )相反的一侧。  2. A blower drainage structure according to claim 1, characterized in that the drain opening (") is located on the opposite side of the casing cover (2).
3、 根据权利要求 1或 2所述的一种鼓风机排水结构， 其特征在 于： 在出风管（4)的内壁凹陷形成引水道（42), 引水道（42)与排 水口 （41 )连通。 3. A blower drainage structure according to claim 1 or 2, characterized in that: a water conduit ( 42 ) is formed in the inner wall of the air outlet duct (4), and the water conduit ( 42 ) is connected to the water outlet (41). .
4、 根据权利要求 3所述的一种鼓风机排水结构， 其特征在于： 在出风管（4)的端部套装有接头套管（5 ), 接头套管（5 ) 包括左套 管（51)、 右套管（52)和位于中间的止挡圏 （53), 止挡圏 （53)的 内径比左套管（51)、 右套管（52)的内径小形成左台阶（531 )和右 台阶（532 ), 出风管（4)套在左套管（51 )里面， 出风管（4 )的端 面被左台阶（531 ) 限位， 止挡圏 （53) 的内壁设置导流槽（ 533 ), 且导流槽 ( 533 ) 与引水道（42 )相接。 4. A blower drainage structure according to claim 3, characterized in that: at the end of the air outlet pipe (4), a joint bushing (5) is provided, and the joint bushing (5) comprises a left bushing (51). ), a right sleeve (52) and the rings of the stop (53) located in the middle of the stop rings of the inner diameter (53) than the left sleeve (51), a right sleeve (52) is formed in the left inner diameter smaller step (531 ) and the right step ( 532 ), the outlet pipe ( 4 ) is placed inside the left casing ( 5 1 ), and the end face of the outlet pipe (4) is limited by the left step (531), and the inner wall of the stop 圏 (53) provided guide grooves (533), and a guide groove (533) with a water conduit (42) in contact.
5、 根据权利要求 4所述的一种鼓风机排水结构， 其特征在于： 止挡圏 （53) 的内壁沿周向间隔设置多条导流槽（ 533 )。  5. A blower drainage structure according to claim 4, wherein: the inner wall of the stop weir (53) is provided with a plurality of guide grooves (533) spaced circumferentially.
6、 根据权利要求 4所述的一种鼓风机排水结构， 其特征在于： 右套管（ 52 )套在排气管道（ 6 )的一端， 排气管道（ 6 )的端面被右 台阶（ 532 )限位， 排气管道（6 )的内壁与止挡圏（53)的内壁平齐。 6, the drainage structure in accordance with claim blower according to claim 4, wherein: a right sleeve (52) set in the end surface of the exhaust duct (6) at one end of the exhaust duct (6) is a right step (532 The limit, the inner wall of the exhaust duct (6) is flush with the inner wall of the stop weir (53).
PCT/CN2011/073017 2011-04-19 2011-04-19 Water drain structure for blower WO2012142747A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN2011900000887U CN202768452U (en) 2011-04-19 2011-04-19 Water drain structure for blower
PCT/CN2011/073017 WO2012142747A1 (en) 2011-04-19 2011-04-19 Water drain structure for blower
MX2013007783A MX2013007783A (en) 2011-04-19 2011-04-19 Water drain structure for blower.
CA2818700A CA2818700A1 (en) 2011-04-19 2011-04-19 Water drain structure for blower
US13/744,404 US20130129491A1 (en) 2011-04-19 2013-01-17 Water drainage system for blower

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PCT/CN2011/073017 WO2012142747A1 (en) 2011-04-19 2011-04-19 Water drain structure for blower

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US20130129491A1 (en) 2013-05-23
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MX2013007783A (en) 2013-08-12

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