CN218407698U - Six-cylinder plunger pump - Google Patents

Abstract

The utility model provides a six-cylinder plunger pump, including the bent axle and the pump body, the carousel that can drive the bent axle rotation is installed to the bent axle anterior segment, is provided with the piston chamber in the pump body, installs the piston in the piston chamber, and the piston can be followed piston chamber axial slip and with piston chamber inner wall sealing contact, is connected with the connecting rod between piston and the bent axle, and the connecting rod can drive the piston and slide in the piston chamber, still is provided with oil inlet and oil-out on the pump body, and the oil inlet communicates with the piston chamber through the oil feed way; the oil outlet is communicated with the piston cavity through an oil outlet channel; the oil outlet department is provided with first check valve, and oil inlet department is provided with the second check valve, and the part adopts and has referred to comparatively ripe engine structure technique among the prior art, has guaranteed the high efficiency conversion of kinetic energy, simultaneously because partial spare part is general, can greatly reduce manufacturing cost, has adopted comparatively ripe structural style also greatly increased the holistic reliability of plunger pump.

Description

Six-cylinder plunger pump

Technical Field

The utility model relates to a water treatment associated equipment especially relates to a six cylinder plunger pumps.

Background

Water pumps are machines for conveying or pressurizing liquid and are used in large quantities in the fields of sea water desalination or water mist system equipment and the like. The common water pump in the prior art in the above occasions mainly has a plunger type three-cylinder pump to realize the functions of pressurizing and pumping liquid.

However, the conventional three-cylinder pump converts rotational kinetic energy into reciprocating kinetic energy through the structural form of the eccentric cam in use, has a complex structure and low reliability, and has the disadvantages of high manufacturing cost and short service life because of the requirements of non-standard structure, high machining precision, surface hardening and other technical parameters.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the non-standard range degree of current three-cylinder body pump mechanism is higher, and manufacturing cost is higher and the reliability is relatively poor, the utility model provides a six-cylinder body plunger pump solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a six-cylinder plunger pump comprises a crankshaft and a pump body, wherein a rotary table capable of driving the crankshaft to rotate is mounted at the front section of the crankshaft, a piston cavity is arranged in the pump body, a piston is mounted in the piston cavity, the piston can axially slide along the piston cavity and is in sealing contact with the inner wall of the piston cavity, a connecting rod is connected between the piston and the crankshaft, the connecting rod can drive the piston to slide in the piston cavity, an oil inlet and an oil outlet are further formed in the pump body, and the oil inlet is communicated with the piston cavity through an oil inlet channel; the oil outlet is communicated with the piston cavity through an oil outlet channel; the oil outlet is provided with a first one-way valve which can flow from the oil outlet channel to the outside, and the oil inlet is provided with a second one-way valve which can flow from the outside to the oil inlet channel.

Further, the method comprises the following steps: the first check valve comprises a first spring and a first steel ball, a first valve hole is formed in the pump body, the bottom of the first valve hole is communicated with the oil outlet channel, and the oil outlet is communicated with the first valve hole; and a plug which compresses the first spring to tightly push the first steel ball at the bottom of the first valve hole in a sealing manner is arranged at the valve port of the first valve hole.

The pump body is provided with a valve body, the second one-way valve comprises a second spring and a second steel ball, a second valve hole is formed in the valve body, the opening of the second valve hole is communicated with the oil inlet channel, and the oil inlet is communicated with the bottom of the second valve hole; in the second valve hole, the second spring tightly presses the second steel ball at the bottom of the second valve hole in a sealing manner.

Further: the number of the pistons and the number of the piston cavities are six, and the six piston cavities are distributed in a V shape.

Further: six piston cavities are divided into two rows, and included angles between the two rows of piston cavities are 70 degrees.

The beneficial effects of the utility model are that, the utility model discloses six cylinder plunger pump parts adopt and have referred to comparatively ripe engine structure technique among the prior art, have guaranteed the high efficiency conversion of kinetic energy, simultaneously because partial spare part is general, can greatly reduce manufacturing cost, have adopted comparatively ripe structural style also greatly increased the holistic reliability of plunger pump.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 and 2 are schematic structural views of a six-cylinder plunger pump of the present invention;

fig. 3 is an enlarged view of a structure at a in fig. 2.

In the figure, the engine comprises a crankshaft 1, a crankshaft 2, a pump body 3, a rotary table 4, a piston cavity 5, a piston 6, a connecting rod 7, an oil inlet 8, an oil outlet 9, an oil inlet channel 10, an oil outlet channel 11, a first spring 12, a first steel ball 13, a plug 14, a first valve hole 15, a second spring 16, a second steel ball 17, a second valve hole 18 and a valve body.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

As shown in fig. 1 and fig. 2, the utility model provides a six-cylinder plunger pump, including crankshaft 1 and pump body 2, the carousel 3 that can drive crankshaft 1 to rotate is installed to crankshaft 1 anterior segment, be provided with piston chamber 4 in the pump body 2, install piston 5 in the piston chamber 4, piston 5 can follow piston chamber 4 axial slip and with piston chamber 4 inner wall sealing contact, be connected with connecting rod 6 between piston 5 and the crankshaft 1, connecting rod 6 can drive piston 5 slide in piston chamber 4, still be provided with oil inlet 7 and oil-out 8 on the pump body 2, oil inlet 7 is through oil inlet 9 with piston chamber 4 communicates; the oil outlet 8 is communicated with the piston cavity 4 through an oil outlet passage 10; the oil outlet 8 is provided with a first one-way valve which can flow from the oil outlet passage 10 to the outside, and the oil inlet 7 is provided with a second one-way valve which can flow from the outside to the oil inlet passage 9.

In the product of the patent application, the six-cylinder plunger pump is a partial structure which refers to a six-cylinder engine, and the rotation of the crankshaft 1 is transmitted and converted into the reciprocating motion of the piston 5 in the piston cavity 4 through the transmission of the crankshaft 1 and the connecting rod 6. When the reciprocating pump works, a power source such as an external motor drives the crankshaft 1 to rotate, so that the piston 5 is driven to reciprocate, the increase and the decrease of the space in the piston cavity 4 are realized due to the sealing contact between the piston 5 and the piston cavity 4, and liquid is sucked from the oil inlet 7 and is finally pumped out from the oil outlet 8 through the matching opening and closing of the first one-way valve and the second one-way valve.

When the piston 5 moves in the piston cavity 4 and the volume of the piston cavity 4 is increased, the negative pressure generated by the increase of the volume of the piston cavity 4 opens the second one-way valve so as to suck the liquid at the oil inlet 7 into the increased piston cavity 4 through the oil inlet channel 9, and at the moment, the first one-way valve is in a closed state under the action of the negative pressure to complete the working process of liquid suction; when the piston 5 moves in the piston cavity 4 and the volume of the piston cavity 4 is reduced, the piston 5 extrudes the space of the piston cavity 4 to apply work to the liquid in the piston cavity 4 to compress the liquid in the piston cavity, the first one-way valve is opened, the second one-way valve is in a closed state at the moment, and the liquid is pumped out from the oil outlet 8 to finish the working process of pumping the liquid.

In the rotation process of the crankshaft 1, the pistons 5 of the six cylinders are driven to reciprocate so as to achieve continuous liquid suction and liquid pumping, the installation modes of the crankshaft 1 and the connecting rod 6 and even parts in the manufacturing process of the plunger pump can refer to the prior art of the six-cylinder engine and can directly utilize the existing parts, the reliability of the whole technical scheme can be guaranteed, and meanwhile, the manufacturing cost of the plunger pump is reduced to the maximum degree.

As shown in fig. 3, the first check valve includes a first spring 11 and a first steel ball 12, a first valve hole 14 is formed in the pump body 2, the bottom of the first valve hole 14 is communicated with the oil outlet channel 10, and the oil outlet 8 is communicated with the first valve hole 14; and a plug 13 which presses the first spring 11 to tightly press the first steel ball 12 against the bottom of the first valve hole 14 in a sealing manner is arranged at the valve port of the first valve hole 14.

A valve body 18 is arranged on the pump body 2, the second one-way valve comprises a second spring 15 and a second steel ball 16, a second valve hole 17 is formed in the valve body 18, the opening of the second valve hole 17 is communicated with the oil inlet channel 9, and the oil inlet 7 is communicated with the bottom of the second valve hole 17; in the second valve hole 17, the second spring 15 seals the second steel ball 16 against the bottom of the second valve hole 17. The one-way valve in the steel ball form can be opened and closed quickly, and the valve core has short movement stroke and high corresponding speed.

The number of the pistons 5 and the piston cavities 4 is six, and the six piston cavities 4 are distributed in a V shape. Six piston chambers 4 divide into two rows and arrange, and the contained angle between two rows of piston chambers 4 is 70. The arrangement mode that V-arrangement and contained angle are 70 has referred to current ripe engine manufacturing technology, can directly use partial engine spare part on the one hand, and on the other hand, this kind of structure has less vibration and motion noise when the operation, can guarantee the steady reliable operation of plunger pump.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (4)

1. The utility model provides a six cylinder plunger pumps, including bent axle (1) and the pump body (2), but bent axle (1) anterior segment is installed and is driven bent axle (1) pivoted carousel (3), its characterized in that: a piston cavity (4) is arranged in the pump body (2), a piston (5) is installed in the piston cavity (4), the piston (5) can axially slide along the piston cavity (4) and is in sealing contact with the inner wall of the piston cavity (4), a connecting rod (6) is connected between the piston (5) and the crankshaft (1), the connecting rod (6) can drive the piston (5) to slide in the piston cavity (4), an oil inlet (7) and an oil outlet (8) are further arranged on the pump body (2), and the oil inlet (7) is communicated with the piston cavity (4) through an oil inlet channel (9); the oil outlet (8) is communicated with the piston cavity (4) through an oil outlet channel (10); the oil outlet (8) is provided with a first one-way valve which can flow from the oil outlet channel (10) to the outside, and the oil inlet (7) is provided with a second one-way valve which can flow from the outside to the oil inlet channel (9).

2. A six cylinder plunger pump according to claim 1, wherein: the first one-way valve comprises a first spring (11) and a first steel ball (12), a first valve hole (14) is formed in the pump body (2), the bottom of the first valve hole (14) is communicated with the oil outlet channel (10), and the oil outlet (8) is communicated with the first valve hole (14); a plug (13) which presses the first spring (11) to tightly press the first steel ball (12) against the bottom of the first valve hole (14) in a sealing manner is arranged at the valve port of the first valve hole (14);

a valve body (18) is arranged on the pump body (2), the second one-way valve comprises a second spring (15) and a second steel ball (16), a second valve hole (17) is formed in the valve body (18), the opening of the second valve hole (17) is communicated with the oil inlet channel (9), and the oil inlet (7) is communicated with the bottom of the second valve hole (17); in the second valve hole (17), the second spring (15) seals the second steel ball (16) against the bottom of the second valve hole (17).

3. A six cylinder plunger pump according to claim 1, wherein: the number of the pistons (5) and the number of the piston cavities (4) are six, and the six piston cavities (4) are distributed in a V shape.

4. A six cylinder plunger pump according to claim 1, wherein: six piston cavities (4) are divided into two rows, and included angles between the two rows of piston cavities (4) are 70 degrees.

Images