WO2009143751A1 - High-pressure oil-free small plunger pump - Google Patents

High-pressure oil-free small plunger pump Download PDF

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Publication number
WO2009143751A1
WO2009143751A1 PCT/CN2009/071901 CN2009071901W WO2009143751A1 WO 2009143751 A1 WO2009143751 A1 WO 2009143751A1 CN 2009071901 W CN2009071901 W CN 2009071901W WO 2009143751 A1 WO2009143751 A1 WO 2009143751A1
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WO
WIPO (PCT)
Prior art keywords
plunger
pump
pump body
pressure oil
bearing
Prior art date
Application number
PCT/CN2009/071901
Other languages
French (fr)
Chinese (zh)
Inventor
梁国富
Original Assignee
Liang Guofu
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 Liang Guofu filed Critical Liang Guofu
Publication of WO2009143751A1 publication Critical patent/WO2009143751A1/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics

Definitions

  • the invention relates to a pump, in particular to a high pressure oil-free small plunger pump.
  • the plunger pump has been widely applied to various fields such as industry and life.
  • many cities a large number of atomizers and the like are applied, and the pump on the atomizer is a key component of the whole equipment, and the pump directly affects the quality of the pump.
  • the efficiency of use of the entire device In many cities, a large number of atomizers and the like are applied, and the pump on the atomizer is a key component of the whole equipment, and the pump directly affects the quality of the pump. The efficiency of use of the entire device.
  • the pump on the atomizer of the prior art generally adopts a plunger pump.
  • the pump body and the pump head of the plunger pump use a large amount of various lubricating oils or greases for lubrication, and the pump body thereof Lubricating oil or grease is used in the up and down movement of the plunger.
  • Lubricating oil or grease is used in the up and down movement of the plunger.
  • the pump body involves the sealing of the oil components, which is inconvenient to use and install, which increases the cost of manufacturing labor.
  • the high-pressure oil-free small piston pump of the present invention comprises a pump body and a pump head, the pump head is mounted on the pump body, a motor is mounted on the pump body, and the motor extends out of a motor shaft, The end of the motor shaft is connected to an eccentric seat, and a bearing is fixedly coupled to the upper end of the eccentric seat.
  • a bearing is arranged on the outer circumference of the bearing, and a plunger is hinged at one end of the connecting rod, and the plunger is sleeved in the air of the pump body.
  • a plunger sleeve is further disposed at the contact between the plunger and the pump body, and each connection mechanism in the pump body is set by oil-free measures.
  • the high pressure oil-free small plunger pump of the present invention also includes and has the following features:
  • the connecting rod is composed of a set of rings and a set of rods, and the collar is fixedly sleeved on the outer circumference of the bearing, and the end of the rod has a pass L
  • the plunger end portion has a connecting end having an opening groove at a position intermediate the cross section of the connecting head and a through hole at the position of the opening groove.
  • the connecting rod sleeve is sleeved into the opening groove of the plunger connector, the end hole of the sleeve rod is in a coaxial position with the through hole of the connector, and an articulated rod, a connecting rod and a plunger are arranged in the two through holes. Hinged together by articulated rods.
  • a water sealing ring and a gasket are further disposed at a position near the end of the pump head.
  • the high-pressure oil-free small piston pump of the invention adopts the connecting rod articulated plunger connection mode, and the oil-free measure is adopted between the plunger and the plunger sleeve, and the plunger is also used in the movement of the pump head.
  • Oil measures the entire pump body is oil-free, greatly facilitating installation and maintenance, avoiding environmental pollution caused by oil leakage, so it is an environmentally friendly oil-free plunger pump.
  • FIG. 1 is a schematic view showing the structure of a pump body and a pump head of the high-pressure oil-free small piston pump of the present invention
  • FIG. 2 is a schematic side view of the structure of FIG.
  • Figure 3 is a schematic view showing the structure of the plunger of Figure 1;
  • Figure 4 is a schematic view showing the structure of the link of Figure 1.
  • the high-pressure oil-free small-piston pump of the present invention comprises a pump body 10 and a pump head 20, the pump head 20 is mounted on the pump body 10, and a motor is mounted on the pump body 10, and the motor is extended.
  • a motor shaft 1 is connected, and an eccentric seat 11 is connected to the end of the motor shaft 1, and the eccentric seat 11 is closely matched with the motor shaft 1, and a shaft shaft 12 is fixedly fixed on the upper end of the eccentric seat 11, and the shaft 7
  • the upper end of the eccentric seat 11 is fixed on the convex shaft and fixed together with the convex shaft.
  • the inner circumference of the convex shaft and the eccentric seat 11 is at the eccentric shaft position, and the rotation of the motor shaft 1 drives the eccentric seat 11 to rotate synchronously.
  • a sleeve 13 is fixed on the outer circumference of the bearing 12.
  • the connecting rod 13 is composed of a ring 131 and a set of rods 132.
  • the collar 131 is fixedly sleeved on the outer circumference of the bearing 12, A through hole 133 is defined in the end of the sleeve 132.
  • the connecting rod 13 is hinged to a plunger 14 , and the plunger 14 is sleeved on the pump body 10 .
  • the end of the plunger 14 has a connecting head 141.
  • the diameter of the connecting head 141 is larger than the diameter of the plunger 14.
  • the opening of the connecting head 141 has an opening groove 142, and the opening groove 142 has a through hole. 143.
  • the sleeve 132 of the connecting rod 13 is sleeved into the opening groove 142.
  • the through hole 133 is the same diameter as the through hole 134 and is at the same axial position.
  • An articulated rod 15 is disposed in the through hole 133 and the through hole 143.
  • the plunger 14 is hinged together by a hinge rod 15.
  • a plunger sleeve 16 is also provided at the contact of the plunger 14 with the cavity of the pump body 10.
  • the plunger sleeve 16 is made of a plastic material, and the plunger 14 and the plunger sleeve 16 are oil-free.
  • a water sealing ring 21 and a gasket 22 are provided at the end of the plunger 16 near the end of the pump head 20, . The water sealing ring 21 and the gasket 22 prevent water in the pump head 20 from entering the pump body 10.
  • the motor shaft 1 drives the eccentric seat 11 to rotate eccentrically, and the movement of the eccentric seat 11 drives the connecting rod 13 to also perform eccentric motion.
  • the connecting rod 13 and the plunger 14 are hinged together, The eccentric motion of the connecting rod 13 pushes the plunger 14 to make a linear motion to the left and right.
  • the bearing 12 is disposed between the connecting rod 13 and the eccentric seat 11, the friction loss of each connecting portion is greatly reduced, and the heat generated by the friction is also Very few, so it can be set for oil-free.
  • the mutual friction between the plunger 14 and the plunger sleeve 16 also produces very little heat, which can be oil-free.
  • a water seal 21 and a gasket 22 are provided on the plunger 14, so that it can be sealed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

A high-pressure oil-free small plunger pump includes a pump head (20) provided on a pump body (10), a motor shaft (11) with an end part is connected with an eccentric seat(11). An upper convex shaft on the eccentric seat(11) is fixedly matched with a bearing(12). The external circle of the bearing(12) is matched with a link bar(13). The other end of the link bar(13) is pivoted with a plunger(14). The plunger(14) is located in the chamber of the pump body(10), and a contact portion between the plunger (14) and the pump body(10) is provided with a plunger sleeve(16). The connecting mechanisms in the pump body are placed through oil-free means. The pump prevents the environment pollution that is caused by oil leakage, and is convenient to assemble and maintain.

Description

高压无油小型柱塞泵  High pressure oil-free small piston pump
技术领域 Technical field
本发明涉及一种泵， 特别是一种高压无油小型柱塞泵。  The invention relates to a pump, in particular to a high pressure oil-free small plunger pump.
背景技术 Background technique
目前柱塞泵已大量应用到工业、 生活等各领域， 在各大城市都有应用到 大量雾化器等设备， 而雾化器上的泵是整个设备的关键部件， 泵的好坏直接 影响到整个设备的使用效率。  At present, the plunger pump has been widely applied to various fields such as industry and life. In many cities, a large number of atomizers and the like are applied, and the pump on the atomizer is a key component of the whole equipment, and the pump directly affects the quality of the pump. The efficiency of use of the entire device.
现有技术中的这种雾化器上的泵一般采用柱塞泵， 这种柱塞泵的泵体和 泵头内部都要用到大量的各种润滑油或油脂以润滑作用， 其泵体内柱塞的上 下运动中都要用到润滑油或油脂， 这种需要油或油脂润滑的泵体存在着很多 缺陷和不足之处， 如润滑油或油脂会对环境造成一定程度的污染， 要对泵体 涉及到油的部件进行艮好的密封措施， 这样不方便使用和安装， 增加了制造 力口工成本。  The pump on the atomizer of the prior art generally adopts a plunger pump. The pump body and the pump head of the plunger pump use a large amount of various lubricating oils or greases for lubrication, and the pump body thereof Lubricating oil or grease is used in the up and down movement of the plunger. There are many defects and deficiencies in the pump body that require oil or grease lubrication. For example, lubricating oil or grease will cause a certain degree of pollution to the environment. The pump body involves the sealing of the oil components, which is inconvenient to use and install, which increases the cost of manufacturing labor.
发明内容 Summary of the invention
为解决现有技术中雾化器泵的缺陷和不足之处， 提供一种结构简单、 高 效率的无任何润滑油或油脂的高压无油小型柱塞泵。  In order to solve the defects and deficiencies of the atomizer pump in the prior art, a high-pressure oil-free small-piston pump without any lubricating oil or grease with simple structure and high efficiency is provided.
为解决上述问题， 本发明的高压无油小型柱塞泵， 包括一泵体和一泵头， 泵头安装在泵体上， 泵体上安装一电机， 电机伸出一电机轴， 在所述的电机 轴端部连接一偏心座， 在偏心座上端凸轴上固定配合一轴承， 在所述的轴承 外圓配合一连杆， 连杆一端铰接一柱塞， 柱塞套在泵体的空腔内， 在柱塞与 泵体接触处还设置一柱塞套， 所述泵体内的各连接机构均采用无油措施设置。  In order to solve the above problems, the high-pressure oil-free small piston pump of the present invention comprises a pump body and a pump head, the pump head is mounted on the pump body, a motor is mounted on the pump body, and the motor extends out of a motor shaft, The end of the motor shaft is connected to an eccentric seat, and a bearing is fixedly coupled to the upper end of the eccentric seat. A bearing is arranged on the outer circumference of the bearing, and a plunger is hinged at one end of the connecting rod, and the plunger is sleeved in the air of the pump body. In the cavity, a plunger sleeve is further disposed at the contact between the plunger and the pump body, and each connection mechanism in the pump body is set by oil-free measures.
本发明的高压无油小型柱塞泵还包括和具有下列特征：  The high pressure oil-free small plunger pump of the present invention also includes and has the following features:
所述的连杆由一套环和一套杆组成， 套环固定套在轴承外圓上， 套杆端 部有一通孑 L  The connecting rod is composed of a set of rings and a set of rods, and the collar is fixedly sleeved on the outer circumference of the bearing, and the end of the rod has a pass L
所述的柱塞端部具有一连接头， 在连接头的截面中间位置具有一开口凹 槽， 在开口凹槽位置处具有一通孔。 所述的连杆套杆套入柱塞连接头的开口凹槽内， 套杆端部通孔与连接头 通孔处于同轴位置， 在两通孔内设置一铰接杆， 连杆与柱塞通过铰接杆铰接 在一起。 The plunger end portion has a connecting end having an opening groove at a position intermediate the cross section of the connecting head and a through hole at the position of the opening groove. The connecting rod sleeve is sleeved into the opening groove of the plunger connector, the end hole of the sleeve rod is in a coaxial position with the through hole of the connector, and an articulated rod, a connecting rod and a plunger are arranged in the two through holes. Hinged together by articulated rods.
在所述的柱塞靠近泵头端部位处还设置有封水圈以及垫片。  A water sealing ring and a gasket are further disposed at a position near the end of the pump head.
与现有技术相比， 本发明的高压无油小型柱塞泵采用连杆铰接柱塞连接 模式， 其柱塞与柱塞套之间采用无油措施， 柱塞在泵头的活动也采用无油措 施， 整个泵体内部均采用无油处理， 大大的方便了安装和维修， 避免了因漏 油造成的污染环境， 因此是一种环保型的无油柱塞泵。  Compared with the prior art, the high-pressure oil-free small piston pump of the invention adopts the connecting rod articulated plunger connection mode, and the oil-free measure is adopted between the plunger and the plunger sleeve, and the plunger is also used in the movement of the pump head. Oil measures, the entire pump body is oil-free, greatly facilitating installation and maintenance, avoiding environmental pollution caused by oil leakage, so it is an environmentally friendly oil-free plunger pump.
附图说明 DRAWINGS
图 1是本发明的高压无油小型柱塞泵的泵体与泵头结构示意图； 图 2是图 1中的侧视结构示意图；  1 is a schematic view showing the structure of a pump body and a pump head of the high-pressure oil-free small piston pump of the present invention; FIG. 2 is a schematic side view of the structure of FIG.
图 3是图 1中的柱塞结构示意图；  Figure 3 is a schematic view showing the structure of the plunger of Figure 1;
图 4是图 1中的连杆结构示意图。  Figure 4 is a schematic view showing the structure of the link of Figure 1.
具体实施方式 detailed description
下面结合附图和具体实施方式对本发明的高压无油小型柱塞泵作进一步 说明：  The high pressure oil-free small piston pump of the present invention will be further described below with reference to the accompanying drawings and specific embodiments:
如图 1至图 4所示， 本发明的高压无油小型柱塞泵包括一泵体 10和一泵 头 20, 泵头 20安装在泵体 10上， 泵体 10上安装一电机， 电机伸出一电机轴 1 , 在电机轴 1端部连接一偏心座 11 , 偏心座 11与电机轴 1相紧密配合， 在 偏心座 11上端凸轴上固定配合一轴寿 12,轴 7| 12套在偏心座 11上端凸轴上 并与凸轴固定一起， 凸轴与偏心座 11内圓处于偏心轴位置， 电机轴 1的转动 带动偏心座 11作同步偏心转动。  As shown in FIG. 1 to FIG. 4, the high-pressure oil-free small-piston pump of the present invention comprises a pump body 10 and a pump head 20, the pump head 20 is mounted on the pump body 10, and a motor is mounted on the pump body 10, and the motor is extended. A motor shaft 1 is connected, and an eccentric seat 11 is connected to the end of the motor shaft 1, and the eccentric seat 11 is closely matched with the motor shaft 1, and a shaft shaft 12 is fixedly fixed on the upper end of the eccentric seat 11, and the shaft 7|12 is placed on The upper end of the eccentric seat 11 is fixed on the convex shaft and fixed together with the convex shaft. The inner circumference of the convex shaft and the eccentric seat 11 is at the eccentric shaft position, and the rotation of the motor shaft 1 drives the eccentric seat 11 to rotate synchronously.
如图 1至图 4所示， 在轴承 12外圓上固定套一连杆 13 , 连杆 13由一套 环 131和一套杆 132组成， 套环 131固定套在轴承 12外圓上， 在套杆 132的 端部设置一通孔 133。  As shown in FIG. 1 to FIG. 4, a sleeve 13 is fixed on the outer circumference of the bearing 12. The connecting rod 13 is composed of a ring 131 and a set of rods 132. The collar 131 is fixedly sleeved on the outer circumference of the bearing 12, A through hole 133 is defined in the end of the sleeve 132.
如图 1至图 4所示， 连杆 13—端铰接一柱塞 14, 柱塞 14套在泵体 10的 空腔内，柱塞 14端部具有一连接头 141 ,连接头 141的直径比柱塞 14直径大， 在连接头 141的截面中间位置具有一开口凹槽 142,开口凹槽 142上具有一通 孔 143。 连杆 13的套杆 132套进开口凹槽 142内 , 通孔 133与通孔 134直径 相同并且处在同一轴心位置， 在通孔 133与通孔 143内设置一铰接杆 15 , 连 杆 13与柱塞 14通过铰接杆 15铰接在一起。 在柱塞 14与泵体 10的空腔接触 处还设置一柱塞套 16,柱塞套 16为塑料材料制成， 柱塞 14与柱塞套 16之间 为无油设置。在柱塞 16靠近泵头 20端部位处还设置有封水圈 21以及垫片 22, 封水圈 21以及垫片 22为防止泵头 20中的水进入泵体 10内。 As shown in FIG. 1 to FIG. 4, the connecting rod 13 is hinged to a plunger 14 , and the plunger 14 is sleeved on the pump body 10 . In the cavity, the end of the plunger 14 has a connecting head 141. The diameter of the connecting head 141 is larger than the diameter of the plunger 14. The opening of the connecting head 141 has an opening groove 142, and the opening groove 142 has a through hole. 143. The sleeve 132 of the connecting rod 13 is sleeved into the opening groove 142. The through hole 133 is the same diameter as the through hole 134 and is at the same axial position. An articulated rod 15 is disposed in the through hole 133 and the through hole 143. The plunger 14 is hinged together by a hinge rod 15. A plunger sleeve 16 is also provided at the contact of the plunger 14 with the cavity of the pump body 10. The plunger sleeve 16 is made of a plastic material, and the plunger 14 and the plunger sleeve 16 are oil-free. At the end of the plunger 16 near the end of the pump head 20, a water sealing ring 21 and a gasket 22 are provided. The water sealing ring 21 and the gasket 22 prevent water in the pump head 20 from entering the pump body 10.
如图 1至图 4所示， 在工作时， 电机轴 1带动偏心座 11作偏心转动， 偏 心座 11的运动带动连杆 13也做偏心运动， 由于连杆 13与柱塞 14铰接在一 起， 连杆 13的偏心运动推动柱塞 14做左右直线运动， 由于在连杆 13与偏心 座 11之间设置有轴承 12, 这样就大大的减少了各个连接部分的摩擦损耗， 其 摩擦产生的热量也极少， 因此可以为无油设置。 柱塞 14与柱塞套 16之间的 相互摩擦产生的热量也极少， 其均可采用无油设置。 在柱塞 14上设置有封水 圈 21以及垫片 22, 因此可以艮好起到一个密封作用。柱塞 14在泵头 20内的 工作原理以及泵头 20的结构均为现有技术， 这里不再作进一步的说明。  As shown in FIG. 1 to FIG. 4, during operation, the motor shaft 1 drives the eccentric seat 11 to rotate eccentrically, and the movement of the eccentric seat 11 drives the connecting rod 13 to also perform eccentric motion. Since the connecting rod 13 and the plunger 14 are hinged together, The eccentric motion of the connecting rod 13 pushes the plunger 14 to make a linear motion to the left and right. Since the bearing 12 is disposed between the connecting rod 13 and the eccentric seat 11, the friction loss of each connecting portion is greatly reduced, and the heat generated by the friction is also Very few, so it can be set for oil-free. The mutual friction between the plunger 14 and the plunger sleeve 16 also produces very little heat, which can be oil-free. A water seal 21 and a gasket 22 are provided on the plunger 14, so that it can be sealed. The principle of operation of the plunger 14 within the pump head 20 and the construction of the pump head 20 are prior art and will not be further described herein.
根据本发明的实施例已对本发明进行了说明性而非限制性的描述， 但应 理解， 在不脱离由权利要求所限定的相关保护范围的情况下， 本领域的技术 人员可以做出变更和 /或修改。  The present invention has been described by way of illustrative and not restrictive embodiments of the embodiments of the invention / or modify.

Claims

权利要求 书 Claim
1、 高压无油小型柱塞泵， 包括一泵体和一泵头， 泵头安装在泵体上， 泵体 上安装一电机， 电机伸出一电机轴， 其特征在于： 在所述的电机轴端部连接一 偏心座， 在偏心座上端凸轴上固定配合一轴承， 在所述的轴承外圓配合一连杆， 连杆一端铰接一柱塞， 柱塞套在泵体的空腔内， 在柱塞与泵体接触处还设置一 柱塞套， 所述泵体内的各连接机构均采用无油措施设置。  1. A high-pressure oil-free small piston pump comprising a pump body and a pump head, the pump head being mounted on the pump body, a motor mounted on the pump body, and the motor extending out of a motor shaft, wherein: the motor The shaft end is connected with an eccentric seat, and a bearing is fixedly coupled to the upper end of the eccentric seat, and a bearing is fitted to the outer circumference of the bearing, and a plunger is hinged at one end of the connecting rod, and the plunger is sleeved in the cavity of the pump body. A plunger sleeve is further disposed at the contact between the plunger and the pump body, and each connection mechanism in the pump body is set by using no oil.
2、 根据权利要求 1所述的高压无油小型柱塞泵， 其特征在于： 所述的连杆 由一套环和一套杆组成， 套环固定套在轴承外圓上， 套杆端部有一通孔。  2. The high-pressure oil-free small-piston pump according to claim 1, wherein: the connecting rod is composed of a set of rings and a set of rods, and the collar is fixedly sleeved on the outer circumference of the bearing, and the end of the rod is There is a through hole.
3、 根据权利要求 1所述的高压无油小型柱塞泵， 其特征在于： 所述的柱塞 端部具有一连接头， 在连接头的截面中间位置具有一开口凹槽， 在开口凹槽位 置处具有一通孔。  3. The high-pressure oil-free small-sized plunger pump according to claim 1, wherein: said plunger end portion has a joint, and has an open groove at an intermediate position of the cross section of the joint head, and the open groove There is a through hole at the position.
4、 根据权利要求 2或 3所述的高压无油小型柱塞泵， 其特征在于： 所述的 连杆套杆套入柱塞连接头的开口凹槽内， 套杆端部通孔与连接头通孔处于同轴 位置， 在两通孔内设置一铰接杆， 连杆与柱塞通过铰接杆铰接在一起。  4. The high-pressure oil-free small-piston pump according to claim 2 or 3, wherein: the connecting rod sleeve is sleeved into the opening groove of the plunger connector, and the rod end through hole and the connection The head through hole is in a coaxial position, and an articulated rod is disposed in the two through holes, and the connecting rod and the plunger are hinged together by the hinge rod.
5、 根据权利要求 1所述的高压无油小型柱塞泵， 其特征在于： 在所述的柱 塞靠近泵头端部位处还设置有封水圈以及垫片。  A high-pressure oil-free small-sized plunger pump according to claim 1, wherein a sealing ring and a gasket are further disposed at a portion of the plunger near the end of the pump head.
PCT/CN2009/071901 2008-05-29 2009-05-21 High-pressure oil-free small plunger pump WO2009143751A1 (en)

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CN104863814B (en) * 2015-06-15 2016-11-30 梁国富 A kind of plunger oil-free high-pressure pump
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