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CN2641326Y - 一种新型双螺杆泵 - Google Patents

一种新型双螺杆泵 Download PDF

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Publication number
CN2641326Y
CN2641326Y CNU032069340U CN03206934U CN2641326Y CN 2641326 Y CN2641326 Y CN 2641326Y CN U032069340 U CNU032069340 U CN U032069340U CN 03206934 U CN03206934 U CN 03206934U CN 2641326 Y CN2641326 Y CN 2641326Y
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China
Prior art keywords
pump
threaded rod
screw
threaded rods
threaded
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Expired - Fee Related
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CNU032069340U
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English (en)
Inventor
陈光亮
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Huanggong Machinery Group
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Huanggong Machinery Co ltd
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Priority to CNU032069340U priority Critical patent/CN2641326Y/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

一种新型双螺杆泵，包括泵体和转动支承在其内的两根螺杆，所述的两根螺杆相互直接啮合，其中一根为主动螺杆，其一端的轴密封穿出泵体。所述的螺杆的螺纹横截面的双腰一侧采用含渐开线与延长摆线组成，另一侧采用延长摆线组成，也可采用其它可啮合的曲线组合构成。本实用新型能大幅简化泵的结构，减小泵的体积，效率增加，成本降低。由于螺杆的螺纹可相互紧密吻合，故螺杆传动时就象一对斜齿轮啮合，故两螺杆间的间隙减小，螺杆的刚性增大，使输出压力增高。

Description

一种新型双螺杆泵
技术领域
本实用新型涉及一种双螺杆泵。
背景技术
现有的双螺杆均带有一对动力齿轮，用来驱动两根螺杆。虽然传动时可使两螺杆面不接触，但由于有这一对齿轮，使泵的整体结构大为复杂，体积庞大且增加耗能，还增加了制造成本。
本新型内容
本实用新型的目的是给出一种不用上述一对动力齿轮的双螺杆泵，以简化结构，减小体积，降低成本。
为了达到上述的目的，本实用新型采用的技术方案如下：包括泵体和转动支承在其内的两根螺杆，所述的两根螺杆相互直接啮合，其中一根为主动螺杆，其一端的轴密封穿出泵体。螺杆的螺纹横截面的双腰一侧采用含渐开线与延长摆线组成，另一侧采用延长摆线组成，也可采用其它可啮合的曲线组合构成。
采用上述技术方案后，就能大幅简化泵的结构，减小泵的体积，效率增加，成本降低。由于螺杆的螺纹可相互紧密吻合，故螺杆传动时就象一对斜齿轮啮合，故两螺杆间的间隙减小，螺杆的刚性增大，使输出压力增高。
附图说明
图1是本实用新型的双进单出双螺杆泵结构示意图。
图2是本实用新型的单进单出双螺杆泵结构示意图。
图3是采用本实用新型的螺杆的轴向半剖示意图。
如图1所示，3和4为对称放置的两个螺杆，7为支承螺杆的轴承，1为与电动机相连接的泵轴。油从螺杆两头的入口5吸入，从两螺杆中间的出口6输出。两根螺杆3和4转动支承在泵体2内，两根螺杆3相互直接啮合，其中螺杆3为主动螺杆，另一螺杆4位从动螺杆。
如图2所示，这是单进单出的结构，是上一实施例的一组。3和4为螺杆，7为轴承，1为与电动机相连接的泵轴。油从螺杆的一头的入口5吸入，从另一头的出口6输出。油可以从近电机一端输入，也可从远电机一端输入，视设计而定。
如图3所示，所述的螺杆的螺纹横截面的双腰之一采用含渐开线ab与延长摆线bc组成，另一侧采用延长摆线de组成，也可采用其它可啮合的曲线组合构成。

Claims (2)

1.一种新型双螺杆泵，包括泵体和转动支承在其内的两根螺杆，其特征在于：所述的两根螺杆相互直接啮合，其中一根为主动螺杆，其一端的轴密封穿出泵体。
2.根据权力要求1所述的新型双螺杆泵，其特征在于：所述的螺杆的螺纹横截面的双腰一侧采用含渐开线与延长摆线组成，另一侧采用延长摆线组成，也可采用其它可啮合的曲线组合构成。
CNU032069340U 2003-07-31 2003-07-31 一种新型双螺杆泵 Expired - Fee Related CN2641326Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU032069340U CN2641326Y (zh) 2003-07-31 2003-07-31 一种新型双螺杆泵

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Application Number Priority Date Filing Date Title
CNU032069340U CN2641326Y (zh) 2003-07-31 2003-07-31 一种新型双螺杆泵

Publications (1)

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CN2641326Y true CN2641326Y (zh) 2004-09-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112302934A (zh) * 2019-07-23 2021-02-02 江苏鸿胜泵业科技有限公司 螺杆及双螺杆泵
CN114483575A (zh) * 2022-02-08 2022-05-13 黄山黄泵双螺杆科技有限公司 用于输送大比重流体的双螺杆泵

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112302934A (zh) * 2019-07-23 2021-02-02 江苏鸿胜泵业科技有限公司 螺杆及双螺杆泵
CN114483575A (zh) * 2022-02-08 2022-05-13 黄山黄泵双螺杆科技有限公司 用于输送大比重流体的双螺杆泵
CN114483575B (zh) * 2022-02-08 2024-05-03 黄山黄泵双螺杆科技有限公司 用于输送大比重流体的双螺杆泵

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GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: HUANGGONG MACHINERY GROUP CO.,LTD.

Free format text: FORMER NAME OR ADDRESS: HUANGGONG MACHINERY CO., LTD.

CP01 Change in the name or title of a patent holder

Patentee after: Huanggong Machinery Group

Patentee before: Huanggong Machinery Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040915

Termination date: 20120731