CN215109321U

CN215109321U - High-pressure large-displacement plunger pump

Info

Publication number: CN215109321U
Application number: CN202120313351.3U
Authority: CN
Inventors: 阮巍
Original assignee: Wuhan Jieruisi Machinery Co ltd
Current assignee: Wuhan Jieruisi Machinery Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-12-10
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a plunger pump of big discharge capacity of high pressure, which comprises a housin, the left side inner wall fixed mounting of casing has the piston, and the bottom fixedly connected with connecting pipe of casing to the bottom outer wall threaded connection of connecting pipe has a screw thread section of thick bamboo, and the middle part inner wall fixedly connected with filter screen of a screw thread section of thick bamboo moreover, and the bottom inner wall threaded connection of a screw thread section of thick bamboo has into oil pipe simultaneously. This plunger pump of big discharge capacity of high pressure, the motor drives the bull stick and rotates, and then rotate two outside eccentric turntables of bull stick, thereby remove the connecting plate, the connecting plate removes the spliced pole in the inside of a support section of thick bamboo through rotating-structure, the spliced pole will move the stopper and remove at spacing section of thick bamboo inner wall through the carriage release lever pulling, utilize opening and shutting of group's piston to carry out inhaling of oil and discharge, and two sets of removals stopper move simultaneously, and then pressure and discharge capacity of plunger pump have been increased, and then can increase the discharge capacity when carrying out the hydraulic pressure oil pumping, and the time of pumping has been reduced, the service efficiency is improved.

Description

High-pressure large-displacement plunger pump

Technical Field

The utility model relates to a plunger pump technical field specifically is a plunger pump of big discharge capacity of high pressure.

Background

The plunger pump is one of water pumps, is an important device of a hydraulic system, and realizes oil absorption and oil pressing by changing the volume of a sealed working cavity through reciprocating motion of a plunger in a cylinder body, but the existing plunger pump has certain defects, such as:

1. current plunger pump pressure and discharge capacity are less, and the plunger pump of commonly using is mostly single-column structure, and then can appear the problem that the discharge capacity reduces when carrying out hydraulic pressure oil pumping, and goes out oil intermittent and intermittent, has increased the time of pumping, and availability factor is not high.

2. Current plunger pump lacks filtration, can appear impurity jam in the oil and advance the condition of oil pipe when carrying out the use of plunger pump, and impurity gets into the inside wearing and tearing that can cause internals of plunger pump, and then influences the result of use of plunger pump.

In order to solve the problems, innovative design is urgently needed on the basis of the original plunger pump structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plunger pump of big discharge capacity of high pressure to pressure and discharge capacity that provide are less in solving above-mentioned background art, and lack filtration's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure large-displacement plunger pump comprises a shell, wherein a piston is fixedly arranged on the inner wall of the left side of the shell, a connecting pipe is fixedly connected to the bottom of the shell, a threaded cylinder is in threaded connection with the outer wall of the bottom of the connecting pipe, a filter screen is fixedly connected to the inner wall of the middle of the threaded cylinder, an oil inlet pipe is in threaded connection with the inner wall of the bottom of the threaded cylinder, a limiting cylinder is fixedly arranged inside the shell, a moving plug is movably connected to the inner wall of the limiting cylinder, a moving rod is fixedly connected to the center of the right side of the moving plug, a connecting column is fixedly arranged at the right end of the moving rod, a supporting cylinder is movably connected to the outer wall of the connecting column, a rotating structure is fixedly arranged on the right side of the connecting column, a connecting plate is fixedly connected to the right side of the rotating structure, an eccentric turntable is fixedly arranged on the right side of the connecting plate, a motor is fixedly arranged outside the shell, and the output shaft of the motor is connected with a rotating rod through a coupler, and an oil outlet pipe is fixedly installed at the top of the left side of the shell.

Preferably, the piston contains sealed lid, a fixed cylinder, fretwork board, spring, activity post, and 2 pistons set up respectively at the top of advancing oil pipe and the bottom of going out oil pipe.

Preferably, the sealing cover is elastically connected with the fixed cylinder through a spring, the top end of the spring is fixedly connected with the bottom of the sealing cover, and the bottom end of the spring is fixedly connected with the top of the hollow plate.

Preferably, the filter screen contains two sieve boards and movable ball, and the movable ball setting is between two sifter of two sieve boards to the outer wall of movable ball is connected with the medial surface laminating of two sieve boards.

Preferably, revolution mechanic contains cardboard, loose axle and commentaries on classics piece, and the cardboard passes through the loose axle and changes the piece and rotate and be connected to the outer wall of loose axle rotates with the left side inner wall of commentaries on classics piece and is connected.

Preferably, the eccentric turntable comprises a rotating ring, an outer gear ring and an inner gear ring, the rotating ring is rotatably connected with the inner gear ring through the outer gear ring, and the outer gear ring is meshed with the inner gear ring.

Compared with the prior art, the beneficial effects of the utility model are that: the high-pressure large-displacement plunger pump;

1. the oil pumping device is provided with eccentric turntables, moving plugs and pistons, a motor drives a rotating rod to rotate, and then two eccentric turntables outside the rotating rod rotate, so that a connecting plate moves;

2. be provided with filter screen and connecting pipe, when the plunger pump inhales oil from advancing oil pipe, filter through the filter screen, and the inside movable ball of two sieve boards can rock in the inside of two sieve boards under the impact of oil, and then clear up the sifter, prevent the jam of impurity, and then made things convenient for the use of filter screen, the filtration of plunger pump has been increased, and then the condition that oil pipe was advanced in the impurity jam in the oil appeared when having avoided the use, and the wearing and tearing of impurity to inside part have been avoided, thereby the use of plunger pump has been made things convenient for.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the top-down structure of the present invention;

FIG. 3 is a schematic side view of the connecting pipe and the oil inlet pipe of the present invention;

FIG. 4 is a schematic view of the spatial structure of the filter screen and the threaded cylinder of the present invention;

fig. 5 is a schematic view of a space structure of the piston of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a piston; 201. a sealing cover; 202. a fixed cylinder; 203. a hollowed-out plate; 204. a spring; 205. a movable post; 3. a connecting pipe; 4. a threaded barrel; 5. a filter screen; 501. double sieve plates; 502. a movable ball; 6. an oil inlet pipe; 7. a limiting cylinder; 8. moving the plug; 9. a travel bar; 10. connecting columns; 11. a support cylinder; 12. a rotating structure; 1201. clamping a plate; 1202. a movable shaft; 1203. rotating the block; 13. a connecting plate; 14. an eccentric turntable; 1401. rotating the ring; 1402. an outer ring gear; 1403. an inner gear ring; 15. a motor; 16. a rotating rod; 17. an oil outlet pipe.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a high-pressure large-displacement plunger pump comprises a shell 1, a piston 2, a sealing cover 201, a fixed cylinder 202, a hollowed-out plate 203, a spring 204, a movable column 205, a connecting pipe 3, a threaded cylinder 4, a filter screen 5, a double screen plate 501, a movable ball 502, an oil inlet pipe 6, a limiting cylinder 7, a movable plug 8, a movable rod 9, a connecting column 10, a supporting cylinder 11, a rotating structure 12, a clamping plate 1201, a movable shaft 1202, a rotating block 1203, a connecting plate 1401, an eccentric rotating disc 14, a rotating ring, an outer gear ring 1402, an inner gear ring 1403, a motor 15, a rotating rod 16 and an oil outlet pipe 17, wherein the piston 2 is fixedly arranged on the inner wall of the left side of the shell 1, the connecting pipe 3 is fixedly connected to the bottom of the shell 1, the threaded cylinder 4 is in threaded connection with the outer wall of the bottom end of the connecting pipe 3, the filter screen 5 is fixedly connected to the inner wall of the middle of the threaded cylinder 4, the oil inlet pipe 6 is in threaded connection with the inner wall of the bottom of the threaded cylinder 4, the limiting cylinder 7 is fixedly arranged inside of the shell 1, and the inner wall of spacing section of thick bamboo 7 removes and is connected with removal stopper 8, and remove the right side center fixedly connected with carriage release lever 9 of stopper 8, and the right-hand member fixed mounting of carriage release lever 9 has spliced pole 10, the outer wall of spliced pole 10 removes and is connected with a support section of thick bamboo 11 simultaneously, the right side fixed mounting of spliced pole 10 has rotating-structure 12, and rotating-structure 12's right side fixedly connected with connecting plate 13, and the right side fixed mounting of connecting plate 13 has eccentric carousel 14, the outside fixed mounting of casing 1 has motor 15, and motor 15's output shaft has bull stick 16 through the coupling joint, and the left side top fixed mounting of casing 1 has oil pipe 17.

The piston 2 comprises a sealing cover 201, a fixed cylinder 202, a hollow plate 203, a spring 204 and a movable column 205, and the 2 pistons 2 are respectively arranged at the top of the oil inlet pipe 6 and the bottom of the oil outlet pipe 17, so that the oil inlet and outlet can be conveniently controlled;

the sealing cover 201 is elastically connected with the fixed cylinder 202 through the spring 204, the top end of the spring 204 is fixedly connected with the bottom of the sealing cover 201, and the bottom end of the spring 204 is fixedly connected with the top of the hollow plate 203, so that oil can conveniently enter the piston 2 from the hollow plate 203, and the oil can be conveniently discharged from the sealing cover 201;

the filter screen 5 comprises a double-sieve plate 501 and a movable ball 502, the movable ball 502 is arranged between two sieve surfaces of the double-sieve plate 501, and the outer wall of the movable ball 502 is attached and connected with the inner side surface of the double-sieve plate 501, so that the entering oil can be conveniently filtered;

the rotating structure 12 comprises a clamping plate 1201, a movable shaft 1202 and a rotating block 1203, the clamping plate 1201 is rotatably connected with the rotating block 1203 through the movable shaft 1202, and the outer wall of the movable shaft 1202 is rotatably connected with the inner wall of the left side of the rotating block 1203, so that the connecting plate 13 can conveniently deflect in angle when moving;

the eccentric rotary disk 14 comprises a rotary ring 1401, an outer gear ring 1402 and an inner gear ring 1403, the rotary ring 1401 is rotatably connected with the inner gear ring 1403 through the outer gear ring 1402, and the outer gear ring 1402 is meshed with the inner gear ring 1403, so that the connecting column 10 and the moving rod 9 can be conveniently moved.

The working principle is as follows: when the high-pressure large-displacement plunger pump is used, according to fig. 1, 2 and 5, the motor 15 drives the rotating rod 16 to rotate, so that the two eccentric turntables 14 outside the rotating rod 16 rotate, the inner motion of the eccentric turntables 14 is the inner gear ring 1403 to drive the outer gear ring 1402 to rotate, so that the rotating ring 1401 rotates, so that the connecting plate 13 moves, the connecting plate 13 moves the connecting column 10 inside the supporting cylinder 11 through the rotating structure 12, and when the connecting column 10 moves, the rotating block 1203 rotates inside the clamping plate 1201 through the movable shaft 1202, so that the connecting column 10 moves conveniently, the connecting column 10 pulls the moving plug 8 on the inner wall of the limiting cylinder 7 through the moving rod 9 to move, so that suction force is generated when the moving plug 8 moves rightwards, the piston 2 at the top is closed, the piston 2 at the bottom is opened, then, oil is sucked into the shell 1 from the oil inlet pipe 6, then the movable plug 8 moves leftwards to generate thrust, the top piston 2 is opened, the bottom piston 2 is closed, the oil is pushed into the oil outlet pipe 17 to be discharged, the top piston 2 moves upwards when meeting the thrust sealing cover 201 through the spring 204, then the oil passes through the hollow plate 203 to be discharged from the inside of the fixed cylinder 202, and the two groups of movable plugs 8 move simultaneously, so that the pressure and the discharge capacity of the plunger pump are increased;

according to fig. 3, fig. 4 and fig. 6, when the plunger pump inhales oil from advancing oil pipe 6, filter through filter screen 5, and the inside movable ball 502 of two sieve boards 501 can rock in the inside of two sieve boards 501 under the impact of oil, and then clear up the sifter, prevent the jam of impurity, and then made things convenient for filter screen 5's use, and when needing to wash the clearance to filter screen 5 inside, directly twist off threaded cylinder 4 can, and setting up of connecting pipe 3 has made things convenient for and has connected an oil inlet and two oil-outs even, thereby made things convenient for the use of plunger pump.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-pressure large-displacement plunger pump comprises a shell (1), and is characterized in that: the piston (2) is fixedly installed on the inner wall of the left side of the shell (1), the connecting pipe (3) is fixedly connected to the bottom of the shell (1), the outer wall of the bottom of the connecting pipe (3) is in threaded connection with the threaded cylinder (4), the filter screen (5) is fixedly connected to the inner wall of the middle of the threaded cylinder (4), the inner wall of the bottom of the threaded cylinder (4) is in threaded connection with the oil inlet pipe (6), the limiting cylinder (7) is fixedly installed inside the shell (1), the movable plug (8) is movably connected to the inner wall of the limiting cylinder (7), the movable rod (9) is fixedly connected to the center of the right side of the movable plug (8), the connecting column (10) is fixedly installed at the right end of the movable rod (9), the supporting cylinder (11) is movably connected to the outer wall of the connecting column (10), and the rotating structure (12) is fixedly installed on the right side of the connecting column (10), and the right side fixedly connected with connecting plate (13) of revolution mechanic (12) to the right side fixed mounting of connecting plate (13) has eccentric rotating disc (14), the outside fixed mounting of casing (1) has motor (15), and the output shaft of motor (15) has bull stick (16) through the coupling joint, and the left side top fixed mounting of casing (1) has oil outlet pipe (17).

2. A high-pressure large-displacement plunger pump as claimed in claim 1, wherein: piston (2) contain sealed lid (201), fixed cylinder (202), fretwork board (203), spring (204), activity post (205), and 2 piston (2) set up respectively at the top of advancing oil pipe (6) and the bottom of going out oil pipe (17).

3. A high-pressure large-displacement plunger pump as claimed in claim 2, wherein: the sealing cover (201) is elastically connected with the fixed cylinder (202) through a spring (204), the top end of the spring (204) is fixedly connected with the bottom of the sealing cover (201), and the bottom end of the spring (204) is fixedly connected with the top of the hollow plate (203).

4. A high-pressure large-displacement plunger pump as claimed in claim 1, wherein: filter screen (5) contain two sieve boards (501) and activity ball (502), and activity ball (502) set up between two sifter of two sieve boards (501) to the outer wall of activity ball (502) is connected with the medial surface laminating of two sieve boards (501).

5. A high-pressure large-displacement plunger pump as claimed in claim 1, wherein: the rotating structure (12) comprises a clamping plate (1201), a movable shaft (1202) and a rotating block (1203), the clamping plate (1201) is rotatably connected with the rotating block (1203) through the movable shaft (1202), and the outer wall of the movable shaft (1202) is rotatably connected with the inner wall of the left side of the rotating block (1203).

6. A high-pressure large-displacement plunger pump as claimed in claim 1, wherein: the eccentric rotary disk (14) comprises a rotary ring (1401), an outer gear ring (1402) and an inner gear ring (1403), the rotary ring (1401) is rotatably connected with the inner gear ring (1403) through the outer gear ring (1402), and the outer gear ring (1402) is meshed with the inner gear ring (1403).