WO2022042025A1 - 一种深井泵的泵头 - Google Patents

一种深井泵的泵头 Download PDF

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Publication number
WO2022042025A1
WO2022042025A1 PCT/CN2021/103990 CN2021103990W WO2022042025A1 WO 2022042025 A1 WO2022042025 A1 WO 2022042025A1 CN 2021103990 W CN2021103990 W CN 2021103990W WO 2022042025 A1 WO2022042025 A1 WO 2022042025A1
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Prior art keywords
recess
water
pump head
convex surface
spacer
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PCT/CN2021/103990
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English (en)
French (fr)
Inventor
陈坚
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三星（温岭）水泵有限公司
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Publication of WO2022042025A1 publication Critical patent/WO2022042025A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

Definitions

  • the present application relates to the field of deep well pump technology, in particular to a pump head of a deep well pump.
  • the biggest feature of the deep well pump is the integration of the motor and the pump. It is a kind of pump that is immersed in groundwater wells to pump and transport water. It is widely used in farmland irrigation and drainage, industrial and mining enterprises, urban water supply and drainage, and sewage treatment.
  • the pump head of the deep well pump is an important device connecting the pump body and the water pipeline.
  • the Chinese new patent with the patent publication number CN208907415U discloses a pump head on a deep well pump, which includes a pump head body made of plastic material.
  • the pump head body has a water passage and a bearing positioning part in the pump head body.
  • the outer peripheral surface of the pump body has a positioning structure connected with the pump body; the bottom of the pump head body has a clamping block with the impeller assembly; there is a metal insert with internal thread in the water passage, and the upper end face of the metal insert is connected to the upper part of the pump head body.
  • the end face is flush, and the outer end face is provided with an annular clamping groove, which is clamped on the inner peripheral surface of the pump head body.
  • the inventor finds that the head of the water column gushing out from the pump head is short, which is troublesome and needs to be improved.
  • the present application provides a pump head of a deep well pump.
  • the pump head of a kind of deep well pump provided by this application adopts the following technical scheme:
  • a pump head of a deep well pump comprising a pump head body, a water outlet and a water inlet are arranged on the pump head body, and a water passage is also arranged on the pump head body, and the opposite ends of the water passage are respectively It is arranged in communication with the water outlet and the water inlet, and a spacer block is arranged on the water flow channel, and the spacer block is used to block the water flow channel and narrow the water flow channel.
  • branch flow channels are formed between the spacer block and the inner wall of the water-passing flow channel.
  • a split flow channel is set up, and the water flow enters the water flow channel through the water inlet in a spiral shape. After passing through the split flow channel, the water flow is divided into several direct currents and gushes out from the water outlet, so that the impulse of the water column rushing out of the water outlet is stronger. large, so as to achieve the effect of increasing the head of the water column gushing out from the pump head.
  • a plurality of convex surfaces are concavely formed on the inner wall of the water-passing channel, and a plurality of the convex surfaces are circumferentially distributed along the inner wall of the water-passing channel;
  • the inner wall of the channel and the corresponding side wall of the spacer are formed by splicing.
  • a convex surface is provided, and the outer side wall of the convex surface further reduces the cross-sectional area of the water flow through the split flow channel, and the overall flow rate of the water flow remains unchanged, so that the water column rushing out of the water outlet has a greater impulse, thereby increasing the water column.
  • the head gushing from the pump head.
  • the spacer includes a main body and a connecting portion disposed on the main body, the connecting portion is disposed close to the convex surface, and the positions and numbers of the connecting portions are arranged in a one-to-one correspondence with the convex surface.
  • the end face of the portion close to the corresponding convex surface is fixedly connected with the corresponding convex surface.
  • the main body and the connecting part are arranged, and the fixed connection between each connecting part and the convex surface makes the structural stability of the spacer block and the convex surface fixed better, and reduces the impulsive force of the water flow on the spacer block when the water flow passes through the spacer block. A condition that causes the spacer to come off the convex surface.
  • a partition is arranged between the adjacent convex surfaces, the position of the partition is arranged corresponding to the spacer block, and the side of the partition close to the adjacent convex surface is fixedly connected to the adjacent convex surface, The other side of the partition plate is fixedly connected with another adjacent convex surface, and the partition plate is arranged away from the partition block.
  • the partition plate which strengthens the supporting effect on the convex surface, so that the structural stability of the convex surface is better; the cross-sectional area of the water flow through the partition block is reduced, and when the water flow passes through the partition block, the The flow rate remains unchanged, thereby increasing the head of the water column gushing out from the pump head, and making it more convenient for the water flow to change from a spiral to a direct current.
  • the four notches are provided on the outer side wall of the pump head body, and the four notches are respectively a first notch, a second notch, a third notch and a fourth notch, the first notch
  • the mouth, the second notch, the third notch and the fourth notch are circumferentially distributed in sequence along the outer peripheral wall of the pump head body; the convex surface is provided with four, and the position of the convex surface is the same as that of the four notches.
  • a corresponding setting is provided.
  • the first notch, the second notch, the third notch and the fourth notch are provided, and the convex surface is formed by concave in the four notches, which reduces the process steps of processing the convex surface in actual production, and makes the convex surface Production and processing are more convenient.
  • a first through hole is formed on the inner wall of the first notch, the first through hole is located between the first notch and the second notch, and the first through hole communicates with the The first notch and the second notch are provided; the inner wall of the third notch is provided with a second through hole, and the second through hole is located in the third notch and the fourth notch Therebetween, the second through hole is arranged in communication with the third notch and the fourth notch.
  • the first through hole and the second through hole are provided.
  • the first through hole and the second through hole can be pierced by a rope or other tools, and pulled out by pulling the rope or tool.
  • the deep well pump makes it more convenient to operate and remove the deep well pump.
  • the inner walls of the first recess, the second recess, the third recess and the fourth recess are all provided with mounting holes, the mounting holes are arranged close to the water inlet, and the mounting holes are close to the water inlet.
  • the end of the water inlet is arranged through the pump head body.
  • the installation holes are arranged.
  • the installation holes on the pump head are aligned with the threaded holes on the pump body, and the bolts are passed through the installation holes and the threaded holes on the pump body and tightened.
  • the fixing of the pump head makes it more convenient to operate the fixed pump head.
  • the present application includes at least one of the following beneficial technical effects:
  • the cross-sectional area of the water flowing through the spacer is reduced, so that the impulse of the water column rushing out of the water outlet is larger, so as to achieve the effect of increasing the head of the water column gushing out from the pump head;
  • the cross-sectional area of the water flow through the split flow channel is further reduced, so that the impulse of the water column rushing out of the water outlet is larger, thereby increasing the head of the water column gushing out from the pump head;
  • Fig. 1 is the overall schematic diagram of this embodiment
  • FIG. 2 is a structural diagram of the embodiment cut away at the first notch, mainly showing the structure of the water inlet hole;
  • FIG. 3 is an overall schematic diagram of this embodiment, mainly showing the structure of the mounting hole from a top-down perspective;
  • FIG. 4 is a cross-sectional structural view of the water outlet hole in this embodiment, mainly showing the structure of the split flow channel.
  • the embodiments of the present application disclose a pump head of a deep well pump. 1 and 2, the pump head body 1 is included.
  • the pump head body 1 is provided with a water outlet 11 and a water inlet 12 , and the water outlet 11 and the water inlet 12 are respectively located at opposite ends of the pump head body 1 .
  • the inner wall of the water outlet 11 is provided with internal threads, and when actually used, the water outlet 11 is used to connect the water delivery pipe.
  • the pump head body 1 is also provided with a water passage 13 , and opposite ends of the water passage 13 are connected to the water outlet 11 and the water inlet 12 respectively.
  • four notches are concavely formed on the outer side wall of the pump head body 1 , and the four notches are the first notches 2 , the second notches 3 , the third notches 4 and the fourth notches respectively.
  • the notches 5 , the first notches 2 , the second notches 3 , the third notches 4 and the fourth notches 5 are circumferentially distributed in sequence along the outer peripheral wall of the pump head body 1 .
  • the first notch 2 and the second notch 3 are arranged close to each other, the third notch 4 and the fourth notch 5 are arranged close to each other, and the first notch 2 and the second notch 3 and the third notch 4 and the first notch 3 are arranged close to each other.
  • the four notches 5 are respectively located on opposite sides of the pump head body 1 .
  • the inner wall of the first recess 2 is provided with a first through hole 21 , the first through hole 21 is a circular hole, and the first through hole 21 is located between the first recess 2 and the second recess 3 During this time, the first through hole 21 is arranged in communication with the first recess 2 and the second recess 3 .
  • the inner wall of the third recess 4 is provided with a second through hole 41
  • the second through hole 41 is a circular hole
  • the second through hole 41 is located between the third recess 4 and the fourth recess 5
  • the second through hole 41 is arranged in communication with the third recess 4 and the fourth recess 5 .
  • the axis of the second through hole 41 and the axis of the first through hole 21 are arranged parallel to each other, and the axis of the second through hole 41 and the axis of the first through hole 21 are arranged on the same horizontal plane.
  • the first through hole 21 and the second through hole 41 are used for ropes or other tools to pass through, and the deep well pump is pulled out by pulling the ropes or tools.
  • the inner walls of the first recess 2 , the second recess 3 , the third recess 4 and the fourth recess 5 are all provided with mounting holes 6 , and the four mounting holes 6 are all close to the water inlet 12
  • the ends of the four mounting holes 6 near the water inlet 12 are all arranged through the end face of the pump head body 1 near the water inlet 12 , and the axes of the four mounting holes 6 are perpendicular to the axis of the first through hole 21 .
  • the mounting holes 6 on the first notch 2 , the second notch 3 , the third notch 4 and the fourth notch 5 are evenly distributed in the circumferential direction along the outer peripheral wall of the pump head body 1 .
  • four convex surfaces 7 are concavely formed on the inner wall of the water passage 13 , and the four convex surfaces 7 are distributed along the inner wall of the water passage 13 in a circumferential direction.
  • the positions of the four convex surfaces 7 are set corresponding to the four notches, and the four convex surfaces 7 are formed by concave inside the four notches.
  • a spacer 8 is arranged in the water passage 13 , and the spacer 8 includes a main body 81 and four connecting parts 82 .
  • the four connecting parts 82 are fixedly connected to the main body 81 , and the four connecting parts 82 are arranged close to the convex surface 7 . 7 One-to-one corresponding settings.
  • Each connecting portion 82 is disposed close to the end face of the corresponding convex surface 7 in contact with the outer side wall of the corresponding convex surface 7 , and each connecting portion 82 is fixedly connected to the corresponding convex surface 7 near the end surface of the corresponding convex surface 7 .
  • each connecting portion 82 is connected to the corresponding convex surface 7 .
  • the corresponding convex surface 7 is fixed by welding.
  • the adjacent convex surfaces 7 are spliced with the inner wall of the water passage 13 and the corresponding side wall of the spacer 8 to form a split flow channel 9, and the split flow channels 9 are correspondingly provided with four, four split flow channels 9 Both are located between the spacer 8 and the inner wall of the water passage 13 .
  • a partition 10 is fixed between the adjacent convex surfaces 7, the partition 10 is fixed on the corresponding inner wall of the water passage 13 away from the partition block 8, and the position of the partition plate 10 corresponds to the partition block 8.
  • One side of the plate 10 close to the adjacent convex surface 7 is fixedly connected with the adjacent convex surface 7
  • the other side of the partition plate 10 is fixedly connected with another adjacent convex surface 7 .
  • the water flow When the water flow enters the pump head from the pump body, the water flow is in a spiral shape, and the water flow enters the water passage 13 through the water inlet 12 on the pump head body 1.
  • the block 8 blocks the water passage 13 and narrows the water passage 13, reducing the When the cross-sectional area of the water flow is reduced, when the water flow passes through the split flow channel 9 between the spacer 8 and the water flow channel 13, the water flow is divided into several direct currents, and the overall flow rate of the water flow remains unchanged, thereby increasing the flushing out of the water flow.
  • the impulsive force of the water outlet 11 makes the head of the water column gushing out from the pump head larger.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

一种深井泵的泵头，包括泵头本体(1)，泵头本体(1)上设置有出水口(11)和进水口(12)，泵头本体(1)上还设置有过水流道(13)，过水流道(13)的相对两端分别与出水口(11)和进水口(12)连通设置，过水流道(13)内设置有隔块(8)，隔块(8)用于阻隔过水流道(13)使过水流道(13)变窄。通过设置隔块(8)，减小了水流流经隔块时的横截面积，使得冲出出水口的水柱冲力更大，从而达到增大水柱从泵头处涌出的扬程。

Description

一种深井泵的泵头 技术领域
本申请涉及深井泵技术的领域，尤其是涉及一种深井泵的泵头。
背景技术
深井泵的最大特点是将电动机和泵制成一体，它是浸入地下水井中进行抽吸和输送水的一种泵，被广泛应用于农田排灌、工矿企业、城市给排水和污水处理等。深井泵的泵头是连接泵体与输水管的重要装置。
如专利公告号为CN208907415U的中国新型专利，公布了一种深井泵上的泵头，包括由塑料材质所制成的泵头本体，泵头本体内具有过水流道及轴承定位部，泵头本体的外周面具有与泵体连接的定位结构；泵头本体的底部具有与叶轮组件卡接卡块；过水流道内具有带内螺纹的金属镶圈，金属镶圈的上端面与泵头本体的上端面齐平，且其外端面具有环形卡槽，环形卡槽卡接在泵头本体的内周面上。
采用上述深井泵的泵头，当深井泵伸入地下井中进行抽水时，发明人发现从泵头处涌出的水柱扬程较短，比较麻烦，有待改进。
实用新型内容
为了改善从泵头处涌出的水柱扬程较短的问题，本申请提供一种深井泵的泵头。
本申请提供的一种深井泵的泵头采用如下的技术方案：
一种深井泵的泵头，包括泵头本体，所述泵头本体上设置有出水口和进水口，所述泵头本体上还设置有过水流道，所述过水流道的相对两端分别与所述出水口和所述进水口连通设置，所述过水流道上设置有隔块，所述隔块用于阻隔所述过水流道使所述过水流道变窄。
通过采用上述技术方案，设置隔块，当水流流经隔块与过水流道之间的区域时，减小了水流的横截面积，水流的整体流量不变，使得冲出出水口的水柱冲力更大，从而达到增大水柱从泵头处涌出的扬程的效果。
优选的，所述隔块与所述过水流道的内壁之间形成有若干分流流道。
通过采用上述技术方案，设置分流流道，水流呈螺旋状通过进水口进入过水流道，穿过分流流道后，水流分成若干股直流从出水口涌出，使得水柱冲出出水口的冲力更大，从而达到增大水柱从泵头处涌出的扬程的效果。
优选的，所述过水流道的内壁内凹形成有若干凸面，若干所述凸面沿所述过水流道的内壁呈周向分布，所述分流流道通过相邻所述凸面与所述过水流道的内壁以及所述隔块的对应侧壁拼接形成。
通过采用上述技术方案，设置凸面，凸面的外侧壁进一步减少了通过分流流道的水流的横截面积，水流的整体流量不变，使得冲出出水口的水柱冲力更大，从而增大了水柱从泵头处涌出的扬程。
优选的，所述隔块包括主体和设置于所述主体上的连接部，所述连接部靠近所述 凸面设置，所述连接部的位置和数量与所述凸面一一对应设置，所述连接部靠近对应凸面的端面与对应所述凸面固定连接。
通过采用上述技术方案，设置主体和连接部，通过各个连接部与凸面的固定连接，使得隔块与凸面固定的结构稳定性更好，减少了水流经过隔块时水流对隔块的冲力过大导致隔块脱离凸面的情况。
优选的，相邻所述凸面之间设置有隔板，所述隔板的位置对应所述隔块设置，所述隔板靠近相邻所述凸面的一侧与相邻所述凸面固定连接，所述隔板的另一侧与另一个相邻所述凸面固定连接，且所述隔板远离所述隔块设置。
通过采用上述技术方案，设置隔板，加强了对凸面的支撑作用，使得凸面的结构稳定性更好；减小了水流经过隔块时的横截面积，当水流流经隔块时，水流的流量不变，从而增大了水柱从泵头处涌出的扬程，并使得水流从螺旋状变为直流更加方便。
优选的，所述泵头本体的外侧壁上设置有四个凹口，四个凹口分别为第一凹口、第二凹口、第三凹口和第四凹口，所述第一凹口、第二凹口、第三凹口和第四凹口沿所述泵头本体的外周壁呈周向依次分布；所述凸面设置有四个，所述凸面的位置与四个凹口一一对应设置。
通过采用上述技术方案，设置第一凹口、第二凹口、第三凹口和第四凹口，通过四个凹口内凹形成凸面，减少了实际生产中加工凸面的工艺步骤，使得凸面的生产加工更加方便。
优选的，所述第一凹口的内壁上开设有第一通孔，所述第一通孔位于所述第一凹口与所述第二凹口之间，所述第一通孔连通所述第一凹口和所述第二凹口设置；所述第三凹口的内壁上开设有第二通孔，所述第二通孔位于所述第三凹口与所述第四凹口之间，所述第二通孔连通所述第三凹口和所述第四凹口设置。
通过采用上述技术方案，设置第一通孔和第二通孔，当不使用深井泵时，可通过绳索或其他工具穿设第一通孔和第二通孔，通过拉动绳索或工具带动拉出深井泵，使得操作取出深井泵更加方便。
优选的，所述第一凹口、第二凹口、第三凹口和第四凹口的内壁上均开设有安装孔，所述安装孔靠近所述进水口设置，所述安装孔靠近所述进水口的端部贯穿所述泵头本体设置。
通过采用上述技术方案，设置安装孔，当安装泵头时，将泵头上的安装孔对准泵体上的螺纹孔，通过螺栓穿设安装孔和泵体上的螺纹孔并拧紧即可实现泵头的固定，使得操作固定泵头更加方便。
综上所述，本申请包括以下至少一种有益技术效果：
通过设置隔块，减小了水流流经隔块时的横截面积，使得冲出出水口的水柱冲力更大，从而达到增大水柱从泵头处涌出的扬程的效果；
通过设置凸面，进一步减少了通过分流流道的水流的横截面积，使得冲出出水口的水柱冲力更大，从而增大了水柱从泵头处涌出的扬程；
通过设置主体和连接部，通过各个连接部与凸面的固定连接，使得隔块与凸面固定的结构稳定性更好。
附图说明
图1为本实施例的整体示意图；
图2为本实施例在第一凹口处剖开的结构图，主要展示进水孔的结构；
图3为本实施例的整体示意图，主要以从上往下的视角展示安装孔的结构；
图4为本实施例在出水孔处剖开的结构图，主要展示分流流道的结构。
附图标记说明：1、泵头本体；11、出水口；12、进水口；13、过水流道；2、第一凹口；21、第一通孔；3、第二凹口；4、第三凹口；41、第二通孔；5、第四凹口；6、安装孔；7、凸面；8、隔块；81、主体；82、连接部；9、分流流道；10、隔板。
具体实施方式
以下结合附图1-4对本申请作进一步详细说明。
本申请实施例公开一种深井泵的泵头。参见图1和图2，包括泵头本体1。泵头本体1上设置有出水口11和进水口12，出水口11和进水口12分别位于泵头本体1的相对两端。出水口11的内壁上设置有内螺纹，当实际使用时，出水口11用于连接输水管。
参见图1和图2，泵头本体1上还设置有过水流道13，过水流道13的相对两端分别与出水口11和进水口12连通设置。
参见图2和图3，泵头本体1的外侧壁上内凹形成有四个凹口，四个凹口分别为第一凹口2、第二凹口3、第三凹口4和第四凹口5，第一凹口2、第二凹口3、第三凹口4和第四凹口5沿泵头本体1的外周壁呈周向依次分布。第一凹口2和第二凹口3相互靠近设置，第三凹口4和第四凹口5相互靠近设置，且第一凹口2和第二凹口3与第三凹口4和第四凹口5分别位于泵头本体1的相对两侧。
参见图2和图3，第一凹口2的内壁上开设有第一通孔21，第一通孔21为圆孔，第一通孔21位于第一凹口2与第二凹口3之间，第一通孔21连通第一凹口2和第二凹口3设置。
参见图2和图3，第三凹口4的内壁上开设有第二通孔41，第二通孔41为圆孔，第二通孔41位于第三凹口4与第四凹口5之间，第二通孔41连通第三凹口4和第四凹口5设置。第二通孔41的轴线与第一通孔21的轴线相互平行设置，且第二通孔41的轴线和第一通孔21的轴线位于同一水平面设置。在实际使用时，第一通孔21和第二通孔41供绳索或其他工具穿设，通过拉动绳索或工具带动拉出深井泵。
参见图2和图3，第一凹口2、第二凹口3、第三凹口4和第四凹口5的内壁上均开设有安装孔6，四个安装孔6均靠近进水口12设置，四个安装孔6靠近进水口12的端部均贯穿泵头本体1靠近进水口12的端面设置，且四个安装孔6的轴线均垂直于第一通孔21的轴线设置。第一凹口2、第二凹口3、第三凹口4和第四凹口5上的安装孔6沿泵头本体1的外周壁呈周向均匀分布。
参见图2和图4，过水流道13的内壁内凹形成有四个凸面7，四个凸面7沿过水流道13的内壁呈周向分布。四个凸面7的位置对应四个凹口设置，四个凸面7通过四个凹口内凹形成。
参见图2和图4，过水流道13内设置有隔块8，隔块8包括主体81和四个连接部82，主体81呈圆盘设置，主体81的轴线沿过水流道13内水流的流向设置。四个连接部82均与主体81固定连接，四个连接部82均靠近凸面7设置，四个连接部82沿主体81的轴线呈周向分 布，且四个连接部82的位置与四个凸面7一一对应设置。每个连接部82靠近对应凸面7的端面贴合对应凸面7的外侧壁设置，且每个连接部82靠近对应凸面7的端面与对应凸面7固定连接，实际使用中，每个连接部82与对应凸面7通过焊接固定。
参见图2和图4，相邻凸面7与过水流道13的内壁以及隔块8的对应侧壁拼接形成有分流流道9，分流流道9对应设置有四个，四个分流流道9均位于隔块8与过水流道13的内壁之间。
参见图2和图4，相邻凸面7之间固定有隔板10，隔板10固定于过水流道13远离隔块8的对应内壁上，且隔板10的位置对应隔块8设置，隔板10靠近相邻凸面7的一侧与相邻凸面7固定连接，隔板10的另一侧与另一个相邻凸面7固定连接。
本申请实施例一种深井泵的泵头的实施原理为：
当水流从泵体进入泵头时，水流呈螺旋状，水流通过泵头本体1上的进水口12进入过水流道13内，隔块8阻隔过水流道13使过水流道13变窄，减小了水流流经的横截面积，水流穿过隔块8与过水流道13之间的分流流道9时，水流分成若干股直流，水流的整体流量不变，从而增大了水流冲出出水口11的冲力，使得水柱从泵头处涌出的扬程更大。
以上均为本申请的较佳实施例，并非依此限制本中请的保护范围，故：凡依本申请的结构、形状、原理所做的等效变化，均应涵盖于本申请的保护范围之内。

Claims (8)

  1. 一种深井泵的泵头，包括泵头本体(1)，所述泵头本体(1)上设置有出水口(11)和进水口(12)，所述泵头本体(1)上还设置有过水流道(13)，所述过水流道(13)的相对两端分别与所述出水口(11)和所述进水口(12)连通设置，其特征在于：所述过水流道(13)内设置有隔块(8)，所述隔块(8)用于阻隔所述过水流道(13)使所述过水流道(13)变窄。
  2. 根据权利要求1所述的深井泵的泵头，其特征在于：所述隔块(8)与所述过水流道(13)的内壁之间形成有若干分流流道(9)。
  3. 根据权利要求2所述的深井泵的泵头，其特征在于：所述过水流道(13)的内壁内凹形成有若干凸面(7)，若干所述凸面(7)沿所述过水流道(13)的内壁呈周向分布，所述分流流道(9)通过相邻所述凸面(7)与所述过水流道(13)的内壁以及所述隔块(8)的对应侧壁拼接形成。
  4. 根据权利要求3所述的深井泵的泵头，其特征在于：所述隔块(8)包括主体(81)和设置于所述主体(81)上的连接部(82)，所述连接部(82)靠近所述凸面(7)设置，所述连接部(82)的位置和数量与所述凸面(7)一一对应设置，所述连接部(82)靠近对应凸面(7)的端面与对应所述凸面(7)固定连接。
  5. 根据权利要求4所述的深井泵的泵头，其特征在于：相邻所述凸面(7)之间设置有隔板(10)，所述隔板(10)的位置对应所述隔块(8)设置，所述隔板(10)靠近相邻所述凸面(7)的一侧与相邻所述凸面(7)固定连接，所述隔板(10)的另一侧与另一个相邻所述凸面(7)固定连接，且所述隔板(10)远离所述隔块(8)设置。
  6. 根据权利要求5所述的深井泵的泵头，其特征在于：所述泵头本体(1)的外侧壁上设置有四个凹口，四个凹口分别为第一凹口(2)、第二凹口(3)、第三凹口(4)和第四凹口(5)，所述第一凹口(2)、第二凹口(3)、第三凹口(4)和第四凹口(5)沿所述泵头本体(1)的外周壁呈周向依次分布；
    所述凸面(7)设置有四个，所述凸面(7)的位置与四个凹口一一对应设置。
  7. 根据权利要求6所述的深井泵的泵头，其特征在于：所述第一凹口(2)的内壁上开设有第一通孔(21)，所述第一通孔(21)位于所述第一凹口(2)与所述第二凹口(3)之间，所述第一通孔(21)连通所述第一凹口(2)和所述第二凹口(3)设置；
    所述第三凹口(4)的内壁上开设有第二通孔(41)，所述第二通孔(41)位于所述第三凹口(4)与所述第四凹口(5)之间，所述第二通孔(41)连通所述第三凹口(4)和所述第四凹口(5)设置。
  8. 根据权利要求6所述的深井泵的泵头，其特征在于：所述第一凹口(2)、第二凹口(3)、第三凹口(4)和第四凹口(5)的内壁上均开设有安装孔(6)，所述安装孔(6)靠近所述进水口(12)设置，所述安装孔(6)靠近所述进水口(12)的端部贯穿所述泵头本体(1)设置。
PCT/CN2021/103990 2020-08-27 2021-07-01 一种深井泵的泵头 WO2022042025A1 (zh)

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