CN218522797U - Crankshaft type metering pump - Google Patents
Crankshaft type metering pump Download PDFInfo
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- CN218522797U CN218522797U CN202222890582.8U CN202222890582U CN218522797U CN 218522797 U CN218522797 U CN 218522797U CN 202222890582 U CN202222890582 U CN 202222890582U CN 218522797 U CN218522797 U CN 218522797U
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- connecting rod
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- stator
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Abstract
The utility model discloses a crankshaft type metering pump, which comprises a motor, a feed inlet shell and a pump body which are detachably connected in sequence; the motor piston rod extends to in the feed inlet casing to set up with the slope connecting rod in the feed inlet casing is connected, the pump body including set up at its inside stator and with stator matched with rotor, keep away from the one end fixed connection of motor on rotor one end and the connecting rod, when the motor drive connecting rod rotates, the connecting rod drives the rotor and rotates around stator length direction's axis. The utility model is suitable for a medium of gauge height viscosity, high solid content, the simple and convenient and easy washing of structure, the subsequent maintenance of being convenient for simultaneously.
Description
Technical Field
The utility model relates to a spraying equipment technical field especially relates to a crankshaft type measuring pump.
Background
Metering pumps (Metering pumps) are also referred to as Metering pumps or proportional pumps. The metering pump is a special volumetric pump which can meet the requirements of various strict process flows, can realize stepless regulation of the flow rate within the range of 0-100 percent and is used for conveying liquid (particularly corrosive liquid).
Metering pumps are one type of fluid delivery machine that are characterized by the ability to maintain a constant flow rate independent of discharge pressure. The metering pump can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow. By using a plurality of metering pumps, several media can be input into the process flow according to an accurate proportion for mixing. Due to its own prominence, metering pumps are now widely used in various industrial fields such as petrochemical industry, pharmaceutical industry, food industry, and the like.
At present, a common flowmeter can only be suitable for conveying low-viscosity liquid, and the flowmeter is inconvenient to clean after the high-viscosity liquid is conveyed. Therefore, there is a need to design a crankshaft type metering pump to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a crankshaft type metering pump which is suitable for metering a medium with high viscosity and high solid content, has simple and convenient structure, is easy to clean and is convenient for subsequent maintenance.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a crankshaft type metering pump comprises a motor, a feed inlet shell and a pump body which are detachably connected in sequence; the motor piston rod extends into the feed inlet shell and is connected with a connecting rod arranged in the feed inlet shell in an inclined mode, the pump body comprises a stator arranged inside the pump body and a rotor matched with the stator, one end of the rotor is fixedly connected with one end, far away from the motor, of the connecting rod, when the motor drives the connecting rod to rotate, the connecting rod drives the rotor to rotate around the central axis of the stator in the length direction, the connecting rod is arranged in the feed inlet shell in an inclined mode to achieve eccentric rotation of the rotor, liquid can be sucked into the stator cavity and is output from an oil outlet formed in the discharge outlet shell, and high-viscosity or high-solid-content media can be sucked into the stator cavity, so that the applicability is wider.
Furthermore, the connecting rod is arranged in an upward inclined mode along the length direction of the feed inlet shell, eccentric rotation of the rotor is achieved through the inclined arrangement, and liquid is conveyed from the oil inlet to the oil outlet continuously, uniformly and quantitatively.
Further, the inclination angle of the connecting rod to the horizontal direction is 15 degrees.
Furthermore, an oil conveying groove for the rotor to horizontally extend and insert and be connected with the connecting rod is formed in the connecting position of the feed inlet shell and the pump body, and liquid flowing in from the oil inlet can be conveyed into the stator cavity by the oil conveying groove, so that continuous directional conveying of the liquid is realized.
Furthermore, the rotor is horizontally arranged inside the stator cavity, the rotor is arranged in a wavy manner, and the stator cavity is matched with the rotor in shape, so that the rotor is easier to position, install and fix, and is convenient for subsequent disassembly and cleaning.
Furthermore, an oil inlet is formed in the upper surface of the feed inlet shell, an oil outlet communicated with the length direction of the pump body is formed in the discharge outlet shell, and liquid flows through the oil conveying groove after flowing in from the oil inlet and finally flows out from the oil outlet.
Further, motor, feed inlet casing and the pump body all set up along the horizontal direction, and when the motor low rotational speed, the flow in the feed inlet casing is even, and pressure is stable, and flow and the rotational speed of rotor are directly proportional, have good variable regulation nature, and holistic mounted position can slope wantonly.
The utility model has the advantages that:
the utility model discloses a mutually supporting of motor, connecting rod, stator, rotor and the pump body, the connecting rod that the eccentric slope of motor drive set up rotates to make the rotor do the planet rotary motion in stator die cavity, form and to inhale the suction in stator die cavity with liquid from the feed inlet casing, and make the oil-out output of liquid on the discharge gate casing, be applicable to the medium of high viscosity of meter, high solid content, the simple and convenient and easy washing of structure, the subsequent maintenance of being convenient for simultaneously.
Drawings
Fig. 1 is a cross-sectional view of an overall structure of an embodiment of the present invention;
in the figure: 1. a motor; 2. a connecting rod; 3. a feed inlet housing; 4. a stator; 5. a rotor; 6. a pump body; 7. an oil inlet; 8. an oil outlet; 9. an oil delivery groove; 10. a discharge port shell.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, the crankshaft metering pump in the present embodiment includes a motor 1, a feed inlet housing 3, and a pump body 6, which are detachably connected in sequence; the motor 1 piston rod extends to the feed inlet casing 3 and is connected with the connecting rod 2 which is obliquely arranged in the feed inlet casing 3, the pump body 6 comprises a stator 4 arranged in the pump body and a rotor 5 matched with the stator 4, one end of the rotor 5 is fixedly connected with one end, far away from the motor 1, of the connecting rod 2, when the motor 1 drives the connecting rod 2 to rotate, the connecting rod 2 drives the rotor 5 to rotate around the central axis of the stator 4 in the length direction, the connecting rod 2 is obliquely arranged in the feed inlet casing 3 to realize the eccentric rotation of the rotor 5, so that liquid can be sucked into the cavity of the stator 4 and is output from an oil outlet 8 formed in the discharge outlet casing 10, and high-viscosity or high-solid-content media can be sucked into the cavity of the stator 4, and the applicability is wider.
The motor 1 drives the connecting rod 2 which is eccentrically and obliquely arranged to rotate, so that the rotor 5 performs planetary rotary motion in the cavity of the stator 4, suction capable of sucking liquid into the cavity of the stator 4 from the feed inlet shell 3 is formed, and the liquid is output from an oil outlet 8 on the discharge outlet shell 10.
The connecting rod 2 is arranged in an upward inclined mode along the length direction of the feed inlet shell 3, eccentric rotation of the rotor 5 is achieved through the inclined arrangement, and liquid is conveyed from the oil inlet 7 to the oil outlet 8 continuously, uniformly and quantitatively.
The inclination angle of the connecting rod 2 and the horizontal direction is 15 degrees, and the eccentric rotation of the rotor 5 is realized through the inclined arrangement.
The connection part of the feed inlet shell 3 and the pump body 6 is provided with an oil conveying groove 9 for the rotor 5 to horizontally extend and insert and be connected with the connecting rod 2, and the oil conveying groove 9 is arranged to convey liquid flowing from the oil inlet 7 into the cavity of the stator 4, so that the continuous directional conveying of the liquid is realized.
The upper surface of the feed inlet shell 3 is provided with an oil inlet 7, the discharge outlet shell 10 is provided with an oil outlet 8 communicated with the length direction of the pump body 6, and liquid flows in from the oil inlet 7, flows through the oil conveying groove 9 and finally flows out from the oil outlet 8.
The motor 1, the feed inlet shell 3 and the pump body 6 are all arranged along the horizontal direction, when the motor 1 rotates at a low speed, the flow in the feed inlet shell 3 is uniform, the pressure is stable, the flow is in direct proportion to the rotating speed of the rotor 5, good variable adjustability is achieved, and the whole installation position can be inclined at will.
The working principle is as follows: liquid enters from an oil inlet 7 on the feed inlet shell 3, the motor 1 drives the connecting rod 2 to rotate, and the connecting rod 2 is eccentrically and obliquely arranged, so that when the motor 1 drives the connecting rod 2 to rotate, the rotor 5 connected with the connecting rod 2 can be driven to do eccentric rotary motion in a cavity of the stator 4, at the moment, the liquid is sucked into the cavity of the stator 4 from the oil conveying groove 9 and is output from an oil outlet 8 on the discharge outlet shell 10 under the continuous rotation of the rotor 5.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. A crankshaft metering pump characterized in that: comprises a motor (1), a feed inlet shell (3), a pump body (6) and a discharge outlet shell (10) which are detachably connected in sequence; motor (1) piston rod extends to in feed inlet casing (3) to set up with the slope connecting rod (2) in feed inlet casing (3) are connected, the pump body (6) including set up stator (4) inside and with stator (4) matched with rotor (5), keep away from the one end fixed connection of motor (1) on rotor (5) one end and connecting rod (2), when motor (1) drive connecting rod (2) rotate, connecting rod (2) drive rotor (5) and rotate around stator (4) length direction's axis.
2. A crankshaft metering pump according to claim 1, characterized in that: the connecting rod (2) is arranged in an upward inclined mode along the length direction of the feed inlet shell (3).
3. A crankshaft metering pump according to claim 2, characterized in that: the inclination angle of the connecting rod (2) and the horizontal direction is 15 degrees.
4. A crankshaft metering pump according to claim 1, characterized in that: and an oil conveying groove (9) for the rotor (5) to horizontally extend and insert and be connected with the connecting rod (2) is formed in the joint of the feed inlet shell (3) and the pump body (6).
5. A crankshaft metering pump according to claim 1, characterized in that: the rotor (5) is horizontally arranged inside a cavity of the stator (4), the rotor (5) is arranged in a wavy manner, and the cavity of the stator (4) is matched with the shape of the rotor (5).
6. A crankshaft metering pump according to claim 1, characterized in that: an oil inlet (7) is formed in the upper surface of the feed inlet shell (3), and an oil outlet (8) communicated with the pump body (6) in the length direction is formed in the discharge outlet shell (10).
7. A crankshaft metering pump according to claim 1, characterized in that: the motor (1), the feed inlet shell (3) and the pump body (6) are all arranged along the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890582.8U CN218522797U (en) | 2022-10-31 | 2022-10-31 | Crankshaft type metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890582.8U CN218522797U (en) | 2022-10-31 | 2022-10-31 | Crankshaft type metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218522797U true CN218522797U (en) | 2023-02-24 |
Family
ID=85251190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222890582.8U Active CN218522797U (en) | 2022-10-31 | 2022-10-31 | Crankshaft type metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218522797U (en) |
-
2022
- 2022-10-31 CN CN202222890582.8U patent/CN218522797U/en active Active
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