CN210829675U

CN210829675U - Oil transfer pump body structure

Info

Publication number: CN210829675U
Application number: CN201921788661.XU
Authority: CN
Inventors: 孟昭铖; 迟振鹏; 刘荣
Original assignee: Dalian Jinli Fluid Equipment Development Co ltd
Current assignee: Dalian Jinli Fluid Equipment Development Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-23
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses an oil transfer pump body structure, concretely relates to oil transfer pump accessory technical field, including the pump case, the inside of pump case is equipped with the siphon membrane, the top of siphon membrane is equipped with the slide bar, just slide bar and siphon membrane fixed connection, bottom one side of siphon membrane is equipped with first filter screen, just the both ends face and the pump case fixed connection of first filter screen, the bottom of pump case is equipped with impurity and holds the dress box. The utility model discloses an interior whirl valve plate receives suction and opens through the bull stick activity, and the restriction that outer whirl valve plate received spacing card is the closure state, and when the slide bar moved down, outer whirl valve plate received thrust and opened through the bull stick activity, and interior whirl valve plate receives the restriction of spacing card and is the closure state, and the impurity that carries in with fluid of first filter screen filters, and impurity is deposited because self gravity deposits to impurity bearing box inside, and this pump body structure utilizes siphon principle transmission fluid, and use cost is low.

Description

Oil transfer pump body structure

Technical Field

The utility model relates to a fuel delivery pump accessory technical field, more specifically say, the utility model relates to a fuel delivery pump body structure.

Background

The structure of the pump body is an external protection structure of the oil delivery pump, the oil delivery pump is used for ensuring that diesel oil circulates in a low-pressure oil circuit and supplying fuel oil with enough quantity and certain pressure to the oil injection pump, the oil delivery quantity of the oil delivery pump is 3-4 times of the maximum full-load oil injection quantity, the oil delivery pump is divided into a gear type oil delivery pump, a diaphragm type oil delivery pump, a plunger type oil delivery pump, a pipeline type oil delivery pump and the like, and the oil delivery pump can not be opened when in use;

the prior art has the following defects: the oil transfer pump is usually operated by motor drive, the motor drive oil transfer pump has large power consumption and high use cost, and the oil transfer pump has no filtration treatment during oil transfer, so that the use function is few.

Therefore, it is necessary to provide a pump body structure of the oil transfer pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a fuel delivery pump body structure, interior whirl valve plate receives suction and opens through the bull stick activity, the restriction that outer whirl valve plate received spacing card is the closure state, when the slide bar moves down, outer whirl valve plate receives thrust and opens through the bull stick activity, interior whirl valve plate receives the restriction of spacing card and is the closure state, the impurity that first filter screen carried in with fluid filters, impurity is deposited to impurity bearing box inside owing to self gravity, this pump body structure utilizes siphon principle transmission fluid, low in use cost.

In order to achieve the above object, the utility model provides a following technical scheme: a pump body structure of an oil transfer pump comprises a pump shell, wherein a siphon membrane is arranged inside the pump shell, a slide rod is arranged at the top of the siphon membrane and fixedly connected with the siphon membrane, a first filter screen is arranged on one side of the bottom of the siphon membrane, two end faces of the first filter screen are fixedly connected with the pump shell, an impurity bearing box is arranged at the bottom of the pump shell and is in threaded connection with the pump shell;

the top of pump case is equipped with the overhead guard, the both sides of overhead guard are all fixed and are equipped with the second filter screen, the both sides of pump case bottom are equipped with into oil pipe and go out oil pipe respectively, the inside that advances oil pipe is equipped with the internal rotation valve board, the inside that goes out oil pipe is equipped with the external rotation valve board, the top of internal rotation valve board and external rotation valve board all is equipped with the bull stick, just the internal rotation valve board all passes through bull stick swing joint with the pump case with the external rotation valve board, the bottom inboard of internal rotation valve board and the bottom outside of external rotation valve board all fixedly are equipped with spacing card.

In a preferred embodiment, the siphon membrane is made of an elastic steel sheet, and the edge position of the siphon membrane is welded with the inner wall of the pump shell.

In a preferred embodiment, an internally threaded pipe is fixedly arranged at the center of the top of the siphon membrane, and the sliding rod is in threaded connection with the internally threaded pipe.

In a preferred embodiment, the number of the second filter screens is two, and the two second filter screens are distributed in central symmetry with respect to the slide bar.

In a preferred embodiment, a wear-resistant ring is fixedly arranged at the center of the top cover, the wear-resistant ring is made of stainless steel, the sliding rod penetrates through the wear-resistant ring, and the sliding rod is in clearance fit with the inner wall of the penetrating part of the wear-resistant ring.

In a preferred embodiment, the top of the top cover is provided with a rubber sleeve, the rubber sleeve is in a frustum shape, the edge position of the bottom of the rubber sleeve is bonded with the top cover, and the sliding rod penetrates through the center of the top of the rubber sleeve.

In a preferred embodiment, the internal rotation valve plate and the external rotation valve plate are symmetrically distributed on two sides of the bottom of the pump shell, and the internal rotation valve plate and the external rotation valve plate are oppositely arranged.

In a preferred embodiment, the opposite ends of the oil inlet pipe and the oil outlet pipe are respectively provided with two connecting flanges, and the two connecting flanges are respectively embedded and arranged at the end parts of the oil inlet pipe and the oil outlet pipe.

The utility model discloses a technological effect and advantage:

1. when the slide bar of the utility model moves upwards, the internal rotation valve plate is opened by suction through the activity of the rotating rod, the external rotation valve plate is in a closed state by the limitation of the limit card, when the slide bar moves downwards, the external rotation valve plate is opened by thrust through the activity of the rotating rod, the internal rotation valve plate is in a closed state by the limitation of the limit card, at the moment, the oil passes through the first filter screen and is pushed out through the oil outlet pipe, the first filter screen filters impurities carried in the oil, the impurities are deposited into the impurity bearing box for storage due to self gravity, compared with the oil transfer pump in the existing motor-driven operation, the pump body structure utilizes the siphon principle to transfer the oil, the loss to the power resource is low, and;

2. the utility model discloses a when the slide bar removes in the overhead guard, the rubber sleeve is dustproof the processing for the department of lining up of slide bar and overhead guard, wear-resisting processing is done for the overhead guard to wear ring, when the inside air admission of overhead guard and exhaust are convenient for to the second filter screen, for the inside dustproof processing of doing of overhead guard, after pump body structure uses, impurity bearing box can clear up from the screw-out of pump case bottom, the overhead guard is from the back of screw-out of pump case top, can clear up the siphon membrane, compare with the pump body structure that current barrier propterty is poor, this pump body structure's dustproof barrier propterty is good, long service life.

Drawings

Fig. 1 is a longitudinal sectional view of the present invention.

Fig. 2 is a view of a usage scenario of the present invention.

Fig. 3 is a left side longitudinal sectional view of the present invention.

Fig. 4 is a front view of the present invention.

Fig. 5 is a longitudinal sectional view of the internal threaded tube of the present invention.

The reference signs are: pump case 1,

siphon membrane

2, 3 internal thread pipes, 4 slide bars, 5 first filter screens, 6 impurity bearing boxes, 7 overhead hoods, 8 second filter screens, 9 wear-resisting rings, 10 rubber sleeves, 11 oil inlet pipes, 12 oil outlet pipes, 13 internal rotary valve plates, 14 external rotary valve plates, 15 rotating rods, 16 limiting clamps and 17 connecting flanges.

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.

The utility model provides a fuel delivery pump body structure as shown in figures 1, 2 and 3, including pump case 1, the inside of pump case 1 is equipped with siphon membrane 2, the top of siphon membrane 2 is equipped with slide bar 4, and slide bar 4 and siphon membrane 2 fixed connection, bottom one side of siphon membrane 2 is equipped with first filter screen 5, and the both ends face and the pump case 1 fixed connection of first filter screen 5, the bottom of pump case 1 is equipped with impurity bearing box 6, and impurity bearing box 6 and pump case 1 threaded connection;

the top of the pump shell 1 is provided with a top cover 7, two sides of the top cover 7 are both fixedly provided with second filter screens 8, two sides of the bottom of the pump shell 1 are respectively provided with an oil inlet pipe 11 and an oil outlet pipe 12, an inner rotary valve plate 13 is arranged inside the oil inlet pipe 11, an outer rotary valve plate 14 is arranged inside the oil outlet pipe 12, the top ends of the inner rotary valve plate 13 and the outer rotary valve plate 14 are both provided with rotating rods 15, the inner rotary valve plate 13 and the outer rotary valve plate 14 are both movably connected with the pump shell 1 through the rotating rods 15, and the inner side of the bottom end of the inner rotary valve plate 13 and the outer side of the bottom end of the outer rotary valve plate 14 are both fixedly provided with limiting clamps;

the implementation mode is specifically as follows: the sliding rod 14 is connected with an external hydraulic rod through a coupler, the hydraulic rod drives the sliding rod 14 to do up-and-down reciprocating movement, the sliding rod 14 drives the central position of the siphon film 2 to move up and down, so that the inner cavity of the pump shell 1 makes siphon movement, when the sliding rod 14 moves up, the central position of the siphon film 2 moves up and down, at the moment, the inner rotary valve plate 13 is movably opened through the rotating rod 15 under the suction force, the outer rotary valve plate 14 is limited to be in a closed state by the limiting clamp 16, at the moment, oil is sucked into the pump shell 1 through the oil inlet pipe 11, when the sliding rod 14 moves down, the central position of the siphon film 2 moves down along with the inner rotary valve plate, at the moment, the inner rotary valve plate 1 is subjected to air blowing treatment, when the outer rotary valve plate 14 is movably opened through the rotating rod 15 under the thrust force, the inner rotary valve plate 13 is limited to be in a closed state by the limiting clamp 16, slide bar 14 continuously reciprocates and can make the pump body carry fluid, and impurity is deposited to impurity bearing box 6 inside and deposits because self gravity, and pump body structure utilizes siphon principle transmission fluid, and is low to the loss of electric power resource, and use cost is low, and pump body structure has fluid filtration treatment, and service function is many, and the practicality is good, and this embodiment has specifically solved motor drive's among the prior art fuel delivery pump, and is big to the loss of electric power resource, problem that use cost is high.

As shown in fig. 1, 4 and 5, in the pump body structure of the oil transfer pump, the siphon membrane 2 is made of an elastic steel sheet, and the edge position of the siphon membrane 2 is welded with the inner wall of the pump shell 1;

an internal threaded pipe 3 is fixedly arranged at the center of the top of the siphon membrane 2, and the slide rod 4 is in threaded connection with the internal threaded pipe 3;

the number of the second filter screens 8 is two, and the two second filter screens 8 are distributed in central symmetry around the slide bar 4;

a wear-resistant ring 9 is fixedly arranged at the center of the top cover 7, the wear-resistant ring 9 is made of stainless steel, the slide rod 4 penetrates through the wear-resistant ring 9, and the slide rod 4 is in clearance fit with the inner wall of the penetrating part of the wear-resistant ring 9;

the top of the top cover 7 is provided with a rubber sleeve 10, the rubber sleeve 10 is in a frustum shape, the edge position of the bottom of the rubber sleeve 10 is bonded with the top cover 7, and the sliding rod 4 penetrates through the center of the top of the rubber sleeve 10;

the internal rotary valve plate 13 and the external rotary valve plate 14 are symmetrically distributed on two sides of the bottom of the pump shell 1, and the internal rotary valve plate 13 and the external rotary valve plate 14 are oppositely arranged;

the opposite ends of the oil inlet pipe 11 and the oil outlet pipe 12 are both provided with two connecting flanges 17, and the two connecting flanges 17 are respectively embedded and arranged at the end parts of the oil inlet pipe 11 and the oil outlet pipe 12;

the implementation mode is specifically as follows: the oil inlet pipe 11 and the oil outlet pipe 12 are respectively connected with a guide pipe of an oil supply device and an oil utilization device through a connecting flange 17, when the sliding rod 4 moves in the top cover 7, the rubber sleeve 10 is used for preventing dust at the through position of the sliding rod 4 and the top cover 7, the wear-resisting ring 9 is used for performing wear-resisting treatment on the top cover 7, the second filter screen 8 is used for facilitating air entering and discharging inside the top cover 7 and performing dust prevention treatment inside the top cover 7, after the pump body structure is used, the impurity bearing box 6 can be cleaned by screwing out from the bottom of the pump shell 1, after the top cover 7 is screwed out from the top of the pump shell 1, the siphon film 2 can be cleaned, the dustproof protection performance of the pump body structure is good, the service life is long, and the cleaning is convenient, and the implementation mode particularly solves the problems that the service life of the pump body structure in the.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when the slide bar 14 moves upwards, the center of the siphon film 2 moves upwards, at the moment, the inside of the pump shell 1 is subjected to air suction treatment, the inner rotary valve plate 13 is movably opened through the rotary bar 15 under the action of suction force, the outer rotary valve plate 14 is limited to be in a closed state by the limiting clamp 16, at the moment, oil is sucked into the inside of the pump shell 1 through the oil inlet pipe 11, when the slide bar 14 moves downwards, the center of the siphon film 2 moves downwards along, at the moment, air blowing treatment is carried out in the pump shell 1, the outer rotary valve plate 14 is movably opened through the rotary bar 15 under the action of thrust force, the inner rotary valve plate 13 is limited to be in a closed state by the limiting clamp 16;

referring to the attached

drawings

1, 2 and 5 in the specification, when the sliding rod 4 moves in the top cover 7, the rubber sleeve 10 is used for performing dustproof treatment on a through position of the sliding rod 4 and the top cover 7, the wear-resistant ring 9 is used for performing wear-resistant treatment on the top cover 7, the second filter screen 8 is used for facilitating air in and out of the top cover 7 and performing dustproof treatment on the inside of the top cover 7, after the pump body structure is used, the impurity bearing box 6 can be cleaned by screwing out from the bottom of the pump shell 1, and after the top cover 7 is screwed out from the top of the pump shell 1, the siphon film 2 can be cleaned.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fuel delivery pump body structure, includes pump case (1), its characterized in that: a siphon membrane (2) is arranged inside the pump shell (1), a slide rod (4) is arranged at the top of the siphon membrane (2), the slide rod (4) is fixedly connected with the siphon membrane (2), a first filter screen (5) is arranged on one side of the bottom of the siphon membrane (2), two end faces of the first filter screen (5) are fixedly connected with the pump shell (1), an impurity bearing box (6) is arranged at the bottom of the pump shell (1), and the impurity bearing box (6) is in threaded connection with the pump shell (1);

the top of pump case (1) is equipped with overhead guard (7), the both sides of overhead guard (7) are all fixed and are equipped with second filter screen (8), the both sides of pump case (1) bottom are equipped with into oil pipe (11) and go out oil pipe (12) respectively, the inside of advancing oil pipe (11) is equipped with interior whirl valve plate (13), the inside of going out oil pipe (12) is equipped with outer whirl valve plate (14), the top of interior whirl valve plate (13) and outer whirl valve plate (14) all is equipped with bull stick (15), just interior whirl valve plate (13) and outer whirl valve plate (14) all pass through bull stick (15) swing joint with pump case (1), the bottom inboard of interior whirl valve plate (13) and the bottom outside of outer whirl valve plate (14) all fixed spacing card (16) of being equipped with.

2. The fuel delivery pump body structure according to claim 1, wherein: the siphon membrane (2) is made of an elastic steel sheet, and the edge of the siphon membrane (2) is welded with the inner wall of the pump shell (1).

3. The fuel delivery pump body structure according to claim 1, wherein: siphon membrane (2) top center department is fixed to be equipped with internal thread pipe (3), just slide bar (4) and internal thread pipe (3) threaded connection.

4. The fuel delivery pump body structure according to claim 1, wherein: the number of the second filter screens (8) is two, and the two second filter screens (8) are distributed in a central symmetry mode relative to the sliding rod (4).

5. The fuel delivery pump body structure according to claim 1, wherein: wear-resisting ring (9) is fixedly arranged at the center of the top of top cover (7), the wear-resisting ring (9) is made of stainless steel, the sliding rod (4) penetrates through the wear-resisting ring (9), and the sliding rod (4) is in clearance fit with the inner wall of the penetrating position of the wear-resisting ring (9).

6. The fuel delivery pump body structure according to claim 1, wherein: the top of overhead guard (7) is equipped with rubber sleeve (10), rubber sleeve (10) are the design of frustum shape, rubber sleeve (10) bottom edge position and overhead guard (7) bonding, just slide bar (4) link up the top center department of rubber sleeve (10).

7. The fuel delivery pump body structure according to claim 1, wherein: the internal rotating valve plate (13) and the external rotating valve plate (14) are symmetrically distributed on two sides of the bottom of the pump shell (1), and the internal rotating valve plate (13) and the external rotating valve plate (14) are oppositely arranged.

8. The fuel delivery pump body structure according to claim 1, wherein: advance oil pipe (11) and go out the relative one end of oil pipe (12) and all be equipped with flange (17), flange (17) set up to two, and two flange (17) are the nested tip of setting in advancing oil pipe (11) and going out oil pipe (12) respectively.