CN212583933U

CN212583933U - Internal control type BCY electro-hydraulic proportional variable axial plunger pump

Info

Publication number: CN212583933U
Application number: CN202021043444.0U
Authority: CN
Inventors: 王向东
Original assignee: Qidong High Pressure Oil Pump Co ltd
Current assignee: Qidong High Pressure Oil Pump Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-02-23
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses an internal control type BCY electricity liquid proportion variable axial plunger pump, including variable casing, the pump body, direct action formula relief pressure valve, proportion electro-magnet, transmission shaft, the lateral wall of variable casing is provided with the pump body, and the terminal surface of the pump body stretches out there is the transmission shaft, the upper end of variable casing is provided with the proportion electro-magnet, and the lower extreme of variable casing is provided with the direct action formula relief pressure valve, oil inlet, oil-out have been seted up to the lateral wall of the pump body, and the lateral wall of the pump body has seted up oil inlet, oil-out and is connected with filtration, filtration includes that first filtration connecting cylinder, first connecting pipe, filter screen cylinder, filter storehouse, second filter connecting cylinder, second connecting pipe. The first filtering connecting cylinder, the filtering screen cylinder and the second filtering connecting cylinder are used for filtering oil at the oil inlet and the oil outlet on the side wall of the pump body, so that the purity of the oil entering the pump body is improved to a certain degree, and the damage of the oil to the inside of the pump body is reduced.

Description

Internal control type BCY electro-hydraulic proportional variable axial plunger pump

Technical Field

The utility model relates to a plunger pump field, in particular to interior accuse type BCY electricity liquid proportional variable axial plunger pump.

Background

The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like; in the process of using the internal control type BCY electro-hydraulic proportional variable axial plunger pump, oil also has impurities, so that the oil enters the interior of the pump body to damage the pump body.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an interior accuse type BCY electricity liquid proportional variable axial plunger pump, can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an internal control type BCY electro-hydraulic proportional variable axial plunger pump comprises a variable shell, a pump body, a direct-acting type pressure reducing valve, a proportional electromagnet and a transmission shaft, wherein the side wall of the variable shell is provided with the pump body, the end face of the pump body extends out of the transmission shaft, the upper end of the variable shell is provided with the proportional electromagnet, the lower end of the variable shell is provided with the direct-acting type pressure reducing valve, the side wall of the pump body is provided with an oil inlet and an oil outlet, the side wall of the pump body is provided with the oil inlet, the oil outlet is connected with a filtering structure, the filtering structure comprises a first filtering connecting cylinder, a first connecting pipe, a filtering net cylinder, a filtering bin, a second filtering connecting cylinder and a second connecting pipe, the lower end of the first filtering connecting cylinder is provided with a first connecting pipe, the filtering net cylinder is arranged in the cylinder of the first filtering connecting cylinder, the upper end of the filtering net cylinder is, and the upper end of the second filtering connecting cylinder is provided with a second connecting pipe, the first filtering connecting cylinder comprises a cylinder body, a connecting sheet, a sealing butt joint ring, a sealing groove, a mounting groove and a sealing ring, the connecting sheet is arranged on the upper portion of the side wall of the cylinder body, the sealing butt joint ring is stretched out of the inner wall of the cylinder body, the mounting groove is formed in the upper end of the sealing butt joint ring, the sealing groove is formed in the side wall of the sealing butt joint ring, and the sealing ring is sleeved in the sealing groove.

Preferably, the cylinder and the sealing butt-joint ring are integrally arranged, and the cylinder and the first connecting pipe are integrally arranged.

Preferably, the cylinder and the connecting sheet are integrally arranged, and the end face of the connecting sheet is provided with a threaded hole.

Preferably, the first filtering connecting cylinder side wall connecting piece is in contact with the second filtering connecting cylinder side wall connecting piece, and a threaded hole is formed in the end face of the first filtering connecting cylinder side wall connecting piece and a threaded hole is formed in the end face of the second filtering connecting cylinder side wall connecting piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, utilize first filtration connecting cylinder, filter screen section of thick bamboo, second to filter the connecting cylinder and carry out the filtration of pump body lateral wall oil inlet, oil-out department oil, improve the oil purity degree that gets into the pump body to a certain extent, reduce the harm of oil to the pump body inside.

Drawings

Fig. 1 is a schematic view of the overall structure of an internal control type BCY electro-hydraulic proportional variable axial plunger pump of the present invention;

fig. 2 is a schematic diagram of a filtering structure of an internal control type BCY electro-hydraulic proportional variable axial plunger pump of the present invention;

FIG. 3 is a schematic diagram showing the split of the filtering structure of an internal control type BCY electro-hydraulic proportional variable axial plunger pump of the present invention;

figure 4 is the utility model discloses an interior accuse type BCY electricity liquid proportional variable axial plunger pump's filtration connecting cylinder split sketch map.

In the figure: 1. a variable shell; 2. a pump body; 3. a filter structure; 301. a first filter cartridge; 3011. a barrel; 3012. connecting sheets; 3013. sealing the docking ring; 3014. a sealing groove; 3015. a placing groove; 3016. a seal ring; 302. a first connecting pipe; 303. a filter screen cylinder; 304. a filtering bin; 305. a second filter cartridge; 306. a second connecting pipe; 4. a direct-acting pressure reducing valve; 5. a proportional electromagnet; 6. a drive shaft.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an internal control type BCY electro-hydraulic proportional variable axial plunger pump comprises a variable housing 1, a pump body 2, a direct-acting pressure reducing valve 4, a proportional electromagnet 5, and a transmission shaft 6, wherein the pump body 2 is disposed on a side wall of the variable housing 1, the transmission shaft 6 extends from an end surface of the pump body 2, the proportional electromagnet 5 is disposed at an upper end of the variable housing 1, the direct-acting pressure reducing valve 4 is disposed at a lower end of the variable housing 1, an oil inlet and an oil outlet are disposed on a side wall of the pump body 2, the oil inlet and the oil outlet are disposed on the side wall of the pump body 2 and connected with a filter structure 3, the filter structure 3 comprises a first filter connecting cylinder 301, a first connecting pipe 302, a filter screen cylinder 303, a filter bin 304, a second filter connecting cylinder 305, and a second connecting pipe 306, the first connecting pipe 302 is disposed at a lower end of the, and the upper end of the filter screen cylinder 303 is provided with a filter bin 304, the upper end of the first filter connecting cylinder 301 is connected with a second filter connecting cylinder 305, the upper end of the second filter connecting cylinder 305 is provided with a second connecting pipe 306, the first filter connecting cylinder 301 comprises a cylinder body 3011, a connecting sheet 3012, a seal butt joint ring 3013, a seal groove 3014, a placement groove 3015 and a seal ring 3016, the upper part of the side wall of the cylinder body 3011 is provided with the connecting sheet 3012, the inner wall of the cylinder body 3011 extends out of the seal butt joint ring 3013, the upper end of the seal butt joint ring 3013 is provided with the placement groove 3015, the side wall of the seal butt joint ring 3013 is provided with the seal groove 3014, and the seal groove 3014 is sleeved with.

Wherein, barrel 3011 and sealed butt ring 3013 set up as an organic whole, and barrel 3011 and first connecting pipe 302 set up as an organic whole.

Wherein, barrel 3011 and connection piece 3012 integrative setting, and connection piece 3012 terminal surface is seted up threaded hole.

The first filter connecting cylinder 301 side wall connecting sheet 3012 is contacted with the second filter connecting cylinder 305 side wall connecting sheet 3012, and the end face of the first filter connecting cylinder 301 side wall connecting sheet 3012 is provided with a threaded hole and the end face of the second filter connecting cylinder 305 side wall connecting sheet 3012 is provided with a threaded hole; the first filtering connecting cylinder 301, the filtering screen cylinder 303 and the second filtering connecting cylinder 305 are used for filtering oil at the oil inlet and the oil outlet on the side wall of the pump body 2, so that the purity of the oil entering the pump body 2 is improved to a certain extent, and the damage of the oil to the inside of the pump body 2 is reduced.

It should be noted that, the utility model relates to an internal control type BCY electro-hydraulic proportional variable axial plunger pump, when assembling the filtering structure 3 and the pump body 2, the mouth of the oil inlet pipe and the oil outlet pipe arranged on the side wall of the pump body 2 is connected with the filtering structure 3, the cylinder 3011 and the sealing butt-joint ring 3013 arranged on the first filtering connecting cylinder 301 and the connecting sheet 3012 are arranged integrally, the sealing ring 3016 is sleeved on the side wall of the sealing butt-joint ring 3013, the sealing ring 3016 is moved into the sealing groove 3014 arranged on the side wall of the sealing butt-joint ring 3013, so as to realize the sleeve connection between the sealing ring 3016 and the sealing butt-joint ring 3013, the oil inlet filtering material is arranged in the filtering cabin 304 arranged on the filtering net cylinder 303, the filtering net cylinder 303 is arranged in the mounting groove 3015 arranged on the cylinder 3011, the lower end of the filtering net cylinder 303 is contacted with the inner wall of the first connecting pipe 302 arranged on the lower end of the cylinder 3011, so as to realize the installation between the filtering net cylinder 303 and the, until first filtration connecting cylinder 301 lateral wall connection piece 3012 contact second filtration connecting cylinder 305 lateral wall connection piece 3012, first filtration connecting cylinder 301 lateral wall connection piece 3012 terminal surface is seted up the screw hole and is seted up the screwed hole with second filtration connecting cylinder 305 lateral wall connection piece 3012 terminal surface and align, use the bolt to insert into first filtration connecting cylinder 301 lateral wall connection piece 3012 terminal surface and set up the screw hole and realize first filtration connecting cylinder 301 and the second and filter being connected between the connecting cylinder 305, the connecting pipe advances oil pipe and play oil pipe mouth of pipe sealing connection with what the 2 lateral walls of the pump body were seted up, make things convenient for the filtration of oil.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an interior accuse type BCY electricity liquid proportion variable axial plunger pump which characterized in that: comprises a variable shell (1), a pump body (2), a direct-acting pressure reducing valve (4), a proportional electromagnet (5) and a transmission shaft (6), wherein the pump body (2) is arranged on the side wall of the variable shell (1), the transmission shaft (6) extends out of the end surface of the pump body (2), the proportional electromagnet (5) is arranged at the upper end of the variable shell (1), the direct-acting pressure reducing valve (4) is arranged at the lower end of the variable shell (1), an oil inlet and an oil outlet are formed in the side wall of the pump body (2), the oil inlet and the oil outlet are formed in the side wall of the pump body (2) and are connected with a filtering structure (3), the filtering structure (3) comprises a first filtering connecting cylinder (301), a first connecting pipe (302), a filtering net cylinder (303), a filtering bin (304), a second filtering connecting cylinder (305) and a second connecting pipe (306), and the first connecting pipe (302, a filter screen cylinder (303) is arranged in the cylinder of the first filter connecting cylinder (301), a filter bin (304) is arranged at the upper end of the filter screen cylinder (303), the upper end of the first filter connecting cylinder (301) is connected with a second filter connecting cylinder (305), and the upper end of the second filtering connecting cylinder (305) is provided with a second connecting pipe (306), the first filtering connecting cylinder (301) comprises a cylinder body (3011), a connecting sheet (3012), a sealing butt joint ring (3013), a sealing groove (3014), a placing groove (3015) and a sealing ring (3016), and the upper part of the side wall of the cylinder body (3011) is provided with a connecting sheet (3012), the inner wall of the cylinder body (3011) extends out of a sealing butt-joint ring (3013), and the upper end of the sealing butt joint ring (3013) is provided with a placing groove (3015), the side wall of the sealing butt joint ring (3013) is provided with a sealing groove (3014), and the sealing groove (3014) is sleeved with a sealing ring (3016) in the groove.

2. The internal control type BCY electro-hydraulic proportional variable axial plunger pump as claimed in claim 1, wherein: the barrel body (3011) and the sealing butt-joint ring (3013) are integrally arranged, and the barrel body (3011) and the first connecting pipe (302) are integrally arranged.

3. The internal control type BCY electro-hydraulic proportional variable axial plunger pump as claimed in claim 2, wherein: the barrel (3011) and the connecting piece (3012) are integrally arranged, and a threaded hole is formed in the end face of the connecting piece (3012).

4. The internal control type BCY electro-hydraulic proportional variable axial plunger pump according to claim 3, characterized in that: the first filtering connecting cylinder (301) side wall connecting piece (3012) is contacted with the second filtering connecting cylinder (305) side wall connecting piece (3012), and a threaded hole is formed in the end face of the first filtering connecting cylinder (301) side wall connecting piece (3012) and a threaded hole is formed in the end face of the second filtering connecting cylinder (305) side wall connecting piece (3012).