CN215109441U

CN215109441U - High-pressure large-flow straight shaft type plunger pump cylinder body

Info

Publication number: CN215109441U
Application number: CN202120679997.3U
Authority: CN
Inventors: 阮思群; 田潇雅
Original assignee: WENLING DAZHONG PRECISION MACHINERY CO Ltd
Current assignee: WENLING DAZHONG PRECISION MACHINERY CO Ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-10
Anticipated expiration: 2031-04-02

Abstract

The utility model belongs to the field of pump bodies, in particular to a high-pressure large-flow straight shaft type plunger pump cylinder body, which comprises a plunger pump cylinder body, a fixed bottom plate and an installation unit; a fixed bottom plate is fixedly connected to the lower surface of the plunger pump cylinder body; the fixed bottom plate is connected with an installation unit in a buckling manner; the mounting unit comprises a shock-resistant base and a first inner groove; the anti-seismic base is provided with a first buckling groove; a first inner groove is formed in the side surface of the first buckling groove; the fixed bottom plate passes through the first buckling groove and is rotationally buckled and connected in the first inner groove; a third mounting hole is formed in the anti-seismic base; the function of reducing looseness caused by vibration transmitted to the fastening piece by rotating, fastening and fixing the upper and lower limit parts is realized, the problem that the traditional fastening piece is easy to loosen under long-time vibration is solved, and the fastening stability of the cylinder body is improved; the function of stably supporting and fixing the high-pressure high-flow straight shaft type plunger pump cylinder body is realized, and the stability of fixing the high-pressure high-flow straight shaft type plunger pump cylinder body is improved.

Description

High-pressure large-flow straight shaft type plunger pump cylinder body

Technical Field

The utility model relates to a pump body field specifically is a large-traffic straight axle type plunger pump cylinder body of high pressure.

Background

The plunger pump realizes the actions of oil absorption and oil pressing by means of the reciprocating motion of the plunger in the cylinder body and changing the volume of the sealed working cavity, and has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like.

The cylinder body of the existing high-pressure large-flow straight shaft type plunger pump is fixedly installed through threaded engagement connection between a bolt and an installation base, and the mode is stable.

But the projection of the bolt is easy to collide with foreign objects to cause loosening in the using process and can fall off under the vibration of the reciprocating motion of the straight shaft type plunger pump; therefore, a high-pressure high-flow straight shaft type plunger pump cylinder body is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, solve the easy and foreign object striking of the arch of in-process bolt that uses and lead to becoming flexible to probably the problem that drops under the reciprocating motion of straight shaft type plunger pump, the utility model provides a large-traffic straight shaft type plunger pump cylinder body of high pressure.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a high-pressure large-flow straight shaft type plunger pump cylinder body, which comprises a plunger pump cylinder body, a fixed bottom plate and an installation unit; a fixed bottom plate is fixedly connected to the lower surface of the plunger pump cylinder body; the fixed bottom plate is connected with an installation unit in a buckling manner;

the mounting unit comprises a shock-resistant base and a first inner groove; the anti-seismic base is provided with a first buckling groove; a first inner groove is formed in the side surface of the first buckling groove; the fixed bottom plate passes through the first buckling groove and is rotationally buckled and connected in the first inner groove; a third mounting hole is formed in the anti-seismic base; so that the installation and buckling are convenient and stable.

Preferably, the lower surface of the fixed bottom plate is provided with a second buckling groove; a second inner groove is formed in the side surface of the second buckling groove; a first buckle plate is detachably and fixedly connected to the upper groove buckle of the anti-seismic base through a fastener; the first buckling plate penetrates through the second buckling groove to be buckled and rotatably connected in the second inner groove; so that the installation and buckling are convenient and stable.

Preferably, the inner wall of the first inner groove is fixedly connected with limiting bulges at intervals; the limiting bulge corresponds to the fixed bottom plate; a second mounting hole is formed in the first inner groove; the fixed bottom plate is provided with a first mounting hole; the second mounting hole corresponds to the first mounting hole; so that it can be stably fixed by the fastener.

Preferably, the rotation angle of the fixed bottom plate in the first inner groove is between zero and forty-five degrees; an included angle between the second mounting hole and the third mounting hole relative to the center of the anti-seismic base is forty-five degrees; so that it can be stably fixed by the fastener.

Preferably, a fourth mounting hole is formed in the upper surface of the anti-seismic base; the fourth mounting hole corresponds to the second mounting hole and the first mounting hole; so that it can be stably fixed by the fastener.

Preferably, the third mounting hole and the fourth mounting hole are both of a counter-bore type; so that the anti-seismic base and the upper surface of the first inner tank remain horizontal.

The utility model discloses an useful part lies in:

1. the utility model realizes the function of rotating the lock, limiting up and down, reducing the vibration transmitted to the fastener and leading to loosening, solves the problem that the traditional fastener is easy to loosen under long-time vibration, and improves the stability of fastening the cylinder body;

2. the utility model discloses a structural design of plunger pump cylinder body, third mounting hole, PMKD, first mounting hole, third mounting hole and antidetonation base has realized the function of the fixed high-pressure large-traffic straight axle type plunger pump cylinder body of outrigger, has solved the poor stability's of the large-traffic straight axle type plunger pump cylinder body of traditional high pressure problem of connecting, has improved the fixed stability of the large-traffic straight axle type plunger pump cylinder body of high pressure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic diagram of a first top cross-sectional structure according to a first embodiment;

FIG. 3 is a second schematic top view cross-sectional view illustrating the first embodiment;

FIG. 4 is a schematic diagram of a third top cross-sectional structure in accordance with the first embodiment

FIG. 5 is a partial cross-sectional front view of the first embodiment;

fig. 6 is a schematic top view of the second embodiment.

In the figure: 1. a plunger pump cylinder body; 2. fixing the bottom plate; 3. a first mounting hole; 4. a shock-resistant base; 5. a first inner tank; 6. a limiting bulge; 7. a second mounting hole; 8. a second inner tank; 9. a first buckle plate; 10. a third mounting hole; 11. a second fastening groove; 12. a fastener; 13. a second buckle plate; 14. a third inner tank; 15. a third buckling groove; 16. a first fastening slot; 17. and a fourth mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, a high-pressure large-flow straight-shaft plunger pump cylinder comprises a plunger pump cylinder body 1, a fixed bottom plate 2 and a mounting unit; the lower surface of the plunger pump cylinder body 1 is fixedly connected with a fixed bottom plate 2; the fixed bottom plate 2 is connected with an installation unit in a buckling manner;

the mounting unit comprises a shock-resistant base 4 and a first inner groove 5; the anti-seismic base 4 is provided with a first buckling groove 16; a first inner groove 5 is formed in the side surface of the first buckling groove 16; the fixed bottom plate 2 penetrates through the first buckling groove 16 to be rotationally buckled and connected in the first inner groove 5; a third mounting hole 10 is formed in the anti-seismic base 4; when the fixing base plate works, the first buckling groove 16 is matched with the first inner groove 5, so that the fixing base plate 2 can realize the buckling, rotating and locking functions.

The lower surface of the fixed bottom plate 2 is provided with a second buckling groove 11; a second inner groove 8 is formed in the side surface of the second buckling groove 11; a first buckle plate 9 is detachably and fixedly connected to the anti-seismic base 4 through a fastener 12 in a groove buckling manner; the first buckling plate 9 passes through the second buckling groove 11 to be buckled and rotatably connected in the second inner groove 8; during operation, the first buckling plate 9 penetrates through the second buckling groove 11 to be buckled and rotatably connected in the second inner groove 8 through vertical descending, then the fixed bottom plate 2 is rotated, and rotating buckling locking can be achieved, and the fixing is carried out through bolts.

The inner wall of the first inner groove 5 is fixedly connected with limiting bulges 6 at intervals; the limiting bulge 6 corresponds to the fixed bottom plate 2; a second mounting hole 7 is formed in the first inner groove 5; a first mounting hole 3 is formed in the fixed bottom plate 2; the second mounting hole 7 corresponds to the first mounting hole 3; during operation, the second mounting hole 7, the third mounting hole 10 and the fourth mounting hole 17 are aligned, so that the vertical vibration of the fixing base plate 2 is limited under the buckling state of the first inner groove 5 and the fixing base plate 2, and the fixing is stably performed by using bolts.

The rotating angle of the fixed bottom plate 2 in the first inner groove 5 is between zero and forty-five degrees; an included angle between the second mounting hole 7 and the third mounting hole 10 relative to the center of the anti-seismic base 4 is forty-five degrees; the during operation is zero to between the forty-five degree through the turned angle of PMKD 2 in first inside groove 5 for PMKD 2 rotates forty-five degree can, makes second mounting hole 7, third mounting hole 10 and fourth mounting hole 17 align, restricts PMKD 2's vibrations from top to bottom under first inside groove 5 and PMKD 2 lock state, thereby uses the bolt to carry out stable fixation.

A fourth mounting hole 17 is formed in the upper surface of the anti-seismic base 4; the fourth mounting hole 17 corresponds to the second mounting hole 7 and the first mounting hole 3; during operation, through fourth mounting hole 17 and second mounting hole 7, first mounting hole 3 is corresponding, make can realize the stable fixed connection under the lock state with PMKD 2 and antidetonation base 4 through the bolt, be connected at PMKD 2 and the slip lock of antidetonation base 4 simultaneously, make the bolt big for traditional meshing area with PMKD 2 and the threaded engagement area of antidetonation base 4, make the bite-site force and the frictional force increase of bolt, simultaneously PMKD 2 is because the lock state is littleer for traditional fixed mode along with the vibrations of the work production of plunger pump cylinder body 1, make the connected mode of bolt more stable.

The third mounting hole 10 and the fourth mounting hole 17 are both of a counter-bore type; in operation, the bolt is used for fixing through the third mounting hole 10 and the fourth mounting hole 17 which are of the counter-sunk type, so that the bolt can be stably fixed and the upper end part of the bolt can be protected, and the upper surfaces of the anti-seismic base 4 and the first inner groove 5 are kept horizontal.

Example two

Referring to fig. 6, in a first comparative example, as another implementation manner of the present invention, the second inner groove 8, the first fastening plate 9 and the second fastening groove 11 may also be a second fastening plate 13, a third inner groove 14 and a third fastening groove 15, which is different from the first example in that the second fastening plate 13 and the third fastening groove 15 are equilateral triangles; during operation, the second buckling plate 13 is stressed more stably in a rotating and buckling state through the equilateral triangle second buckling plate 13 and the third buckling groove 15, and the second buckling plate is not easy to break and deform.

According to the working principle, the first buckling groove 16 is matched with the first inner groove 5, so that the fixed bottom plate 2 can realize the buckling, rotating and locking functions; the first buckling plate 9 is buckled and rotatably connected in the second inner groove 8 through the second buckling groove 11 by vertically descending, and then the fixed bottom plate 2 is rotated to realize rotating buckling and locking and is fixed through bolts; the second mounting hole 7, the third mounting hole 10 and the fourth mounting hole 17 are aligned, so that the vertical vibration of the fixed bottom plate 2 is limited in the buckling state of the first inner groove 5 and the fixed bottom plate 2, and the stable fixation is realized by using bolts; the rotating angle of the fixed bottom plate 2 in the first inner groove 5 is between zero and forty-five degrees, so that the fixed bottom plate 2 can rotate forty-five degrees, the second mounting hole 7, the third mounting hole 10 and the fourth mounting hole 17 are aligned, the vertical vibration of the fixed bottom plate 2 is limited under the buckling state of the first inner groove 5 and the fixed bottom plate 2, and the stable fixation is realized by using bolts; the fourth mounting hole 17 corresponds to the second mounting hole 7 and the first mounting hole 3, so that the fixed base plate 2 and the anti-seismic base 4 can be stably and fixedly connected in a buckling state through bolts, meanwhile, the fixed base plate 2 and the anti-seismic base 4 are connected in a sliding buckling manner, the threaded meshing area of the bolts, the fixed base plate 2 and the anti-seismic base 4 is larger than the traditional meshing area, the biting force and the friction force of the bolts are increased, and meanwhile, the vibration generated by the fixed base plate 2 along with the work of the plunger pump cylinder body 1 is smaller than the traditional fixing mode due to the buckling state, so that the connection mode of the bolts is more stable; through the third mounting hole 10 and the fourth mounting hole 17 of the countersunk type, the upper end part of the bolt can be protected while the bolt is stably fixed when the bolt is used for fixing, so that the upper surfaces of the anti-seismic base 4 and the first inner groove 5 are kept horizontal; through the equilateral triangle second buckle plate 13 and the third buckle groove 15, the stress of the second buckle plate 13 is more stable in the rotating and buckling state, and the second buckle plate is not easy to break and deform.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," 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, the schematic representations of the terms used above do 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.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. 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.

Claims

1. A high-pressure large-flow straight shaft type plunger pump cylinder body is characterized in that: the plunger pump cylinder body comprises a plunger pump cylinder body (1), a fixed bottom plate (2) and a mounting unit; a fixed bottom plate (2) is fixedly connected to the lower surface of the plunger pump cylinder body (1); the fixed bottom plate (2) is connected with an installation unit in a buckling manner;

the mounting unit comprises a shock-resistant base (4) and a first inner groove (5); a first buckling groove (16) is formed in the anti-seismic base (4); a first inner groove (5) is formed in the side surface of the first buckling groove (16); the fixed bottom plate (2) passes through the first buckling groove (16) and is rotationally buckled and connected in the first inner groove (5); and a third mounting hole (10) is formed in the anti-seismic base (4).

2. A high pressure high flow rate straight axis plunger pump cylinder according to claim 1, characterized in that: the lower surface of the fixed bottom plate (2) is provided with a second buckling groove (11); a second inner groove (8) is formed in the side surface of the second buckling groove (11); a first buckle plate (9) is detachably and fixedly connected to the anti-seismic base (4) through a fastener (12) in a groove buckling manner; the first buckling plate (9) penetrates through the second buckling groove (11) to be buckled and rotatably connected in the second inner groove (8).

3. A high pressure high flow rate straight axis plunger pump cylinder according to claim 2, characterized in that: the inner wall of the first inner groove (5) is fixedly connected with limiting bulges (6) at intervals; the limiting bulge (6) corresponds to the fixed bottom plate (2); a second mounting hole (7) is formed in the first inner groove (5); a first mounting hole (3) is formed in the fixed bottom plate (2); the second mounting hole (7) corresponds to the first mounting hole (3).

4. A high pressure high flow rate straight axis plunger pump cylinder according to claim 3, characterized in that: the rotating angle of the fixed bottom plate (2) in the first inner groove (5) is between zero and forty-five degrees; and an included angle between the second mounting hole (7) and the third mounting hole (10) relative to the circle center of the anti-seismic base (4) is forty-five degrees.

5. The high-pressure high-flow straight-shaft plunger pump cylinder body according to claim 4, characterized in that: a fourth mounting hole (17) is formed in the upper surface of the anti-seismic base (4); the fourth mounting hole (17) corresponds to the second mounting hole (7) and the first mounting hole (3).

6. A high pressure high flow straight axis plunger pump cylinder according to claim 5, characterized by: the third mounting hole (10) and the fourth mounting hole (17) are both of a counter bore type.