CN210178551U

CN210178551U - Pneumatic diaphragm pump liquid material conveying structure

Info

Publication number: CN210178551U
Application number: CN201920880672.4U
Authority: CN
Inventors: Bo Pan; 潘波; Hongying Pan; 潘红英; Shuai Pan; 潘帅; Fen Pan; 潘芬; Yong Shen; 沈勇; Meng Wang; 王萌; Fang Pan; 潘芳; Jin Pan; 潘进; He Pan; 潘贺; Shuangshuang Ma; 马双双
Original assignee: SHANDONG XINGYUAN MINING EQUIPMENT GROUP CO Ltd
Current assignee: SHANDONG XINGYUAN MINING EQUIPMENT GROUP CO Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-03-24
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a pneumatic diaphragm pump liquid material transport structure, including the pump body, the inner chamber has been seted up to pump body internal fixation, and pump body both sides correspondence has seted up inlet and liquid outlet, and one-level import and second grade import have been seted up respectively to inner chamber one side both ends, and one-level export and second grade export have been seted up respectively to inner chamber opposite side both ends, and all weld in one-level import, second grade import, one-level export and the second grade export has sealing flange, and is connected with sealing mechanism on the sealing flange. The utility model has the advantages that the pump body is internally provided with the inner cavity, and the inner cavity is correspondingly provided with the primary inlet and the secondary inlet, and the primary outlet and the secondary outlet; the cylinder is used for driving the piston to enable the sealing mechanism to respectively realize bidirectional opening and closing of the primary inlet and the secondary inlet and the primary outlet and the secondary outlet, so that liquid materials can flow uniformly in two directions; through set up one-level connecting rod and second grade connecting rod, tertiary connecting rod and level four connecting rod in inner chamber circumference, at the circulation of the in-process acceleration liquid material that opens and shuts repeatedly.

Description

Pneumatic diaphragm pump liquid material conveying structure

Technical Field

The utility model relates to a diaphragm pump liquid material carries technical field, especially relates to a pneumatic diaphragm pump liquid material transport structure.

Background

The pneumatic diaphragm pump is a novel conveying machine and is the most novel pump in China at present. The compressed air is used as power source, and can be used for various corrosive liquids. It has four kinds of materials to pneumatic diaphragm pump: engineering plastics, aluminum alloy, stainless steel and alloy. The pneumatic diaphragm pump adopts nitrile rubber, chloroprene rubber, fluororubber, polytetrafluoroethylene and the like according to different liquid media so as to meet the requirements of different users.

However, the traditional pneumatic diaphragm pump generally adopts a one-way extraction and conveying mode, even if liquid materials to be conveyed pass through the diaphragm pump in a one-way mode, the extraction efficiency is low due to the fact that the operation cycle period of the diaphragm pump is prolonged, and the accumulation of a large amount of liquid materials in the diaphragm pump is easily achieved, so that the operation efficiency of the diaphragm pump is influenced, meanwhile, the operation burden of the diaphragm pump is increased due to the fact that part of the liquid materials are thick, and the conveying efficiency of various liquid materials is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the pneumatic diaphragm pump is difficult to carry out quick effectual liquid material and carry among the prior art, and the pneumatic diaphragm pump liquid material transport structure who proposes.

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

a liquid material conveying structure of a pneumatic diaphragm pump comprises a pump body, wherein an inner cavity is fixedly formed in the pump body, a liquid inlet and a liquid outlet are correspondingly formed in two sides of the pump body, a primary inlet and a secondary inlet are respectively formed in two ends of one side of the inner cavity, a primary outlet and a secondary outlet are respectively formed in two ends of the other side of the inner cavity, sealing flanges are welded in the primary inlet, the secondary inlet, the primary outlet and the secondary outlet, sealing mechanisms are connected to the sealing flanges, a cylinder is fixedly sleeved in the same end of the pump body and the inner cavity, a piston is fixedly connected to an output shaft of the cylinder, a primary connecting rod and a secondary connecting rod are respectively connected to an opening at one end of the inner cavity and an output shaft of the cylinder through pin shafts, the primary connecting rod is connected to the secondary connecting rod, the sleeve rod and the pressing plate are respectively connected with a third connecting rod and a fourth connecting rod in a rotating mode, and the third connecting rod is connected with the fourth connecting rod.

Preferably, the liquid inlet is located on the same side as the primary inlet and the secondary inlet, and the liquid outlet is located on the same side as the primary outlet and the secondary outlet.

Preferably, the sealing mechanism comprises the following structure: the sealing flange is welded with a limiting rod, the limiting rod is sleeved with a first-level spring and a movable plate respectively, and the movable plate is fixedly connected with a sealing rubber pad.

Preferably, gag lever post quantity is three, and three gag lever posts circumference equidistance distribute, the movable plate slip cap is located on three gag lever posts, and one-level spring both ends offset with sealed flange and movable plate respectively, sealed cushion offsets with sealed flange activity.

Preferably, the cylinder and the piston are located in the inner cavity, and the piston is in sliding contact with the inner wall of the inner cavity.

Preferably, the telescopic rod is sleeved with a secondary spring, and two ends of the secondary spring respectively abut against the loop bar and the pressing plate.

Preferably, one-level connecting rod and second grade connecting rod, tertiary connecting rod and level four connecting rod quantity are three, and the equal circumference equidistance distribution of one-level connecting rod and second grade connecting rod, tertiary connecting rod and level four connecting rod, one-level connecting rod free end rotates with the second grade connecting rod free end to be connected, and tertiary connecting rod free end rotates with level four connecting rod free end to be connected.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses an inner chamber that the cover was equipped with cylinder and piston is seted up in the pump body, one-level import is seted up through including in the inner chamber, second grade import and one-level export and second grade export, and at the one-level import, the sealing mechanism of installation activity on second grade import and one-level export and the second grade export, utilize the elasticity of piston and one-level spring to make sealed cushion and sealed flange realize the separation or offset, with realize the one-level import, the two-way of second grade import and one-level export and second grade export is opened and close, make the liquid material in the pump body one side can two-way flow to opposite side uniformly.

2. The utility model is characterized in that a first-level connecting rod and a second-level connecting rod, a third-level connecting rod and a fourth-level connecting rod are respectively connected at the two ends of the inner cavity in a rotating way; utilize cylinder and piston motion for one-level connecting rod and second grade connecting rod, tertiary connecting rod and level four connecting rod open and shut in inner chamber both ends repeatedly, in order to stir liquid material, promote its activity, accelerate its motion circulation.

To sum up, the utility model has the advantages that the pump body is internally provided with the inner cavity, and the inner cavity is correspondingly provided with the primary inlet and the secondary inlet, and the primary outlet and the secondary outlet; the cylinder is used for driving the piston to enable the sealing mechanism to respectively realize bidirectional opening and closing of the primary inlet and the secondary inlet and the primary outlet and the secondary outlet, so that liquid materials can flow uniformly in two directions; through set up one-level connecting rod and second grade connecting rod, tertiary connecting rod and level four connecting rod in inner chamber circumference, at the circulation of the in-process acceleration liquid material that opens and shuts repeatedly.

Drawings

Fig. 1 is a schematic structural view of a liquid conveying structure of a pneumatic diaphragm pump according to the present invention;

fig. 2 is an enlarged view of a portion a of a structure of a liquid conveying structure of a pneumatic diaphragm pump provided by the present invention;

fig. 3 is an enlarged view of a part B of the structure of the liquid conveying structure of the pneumatic diaphragm pump of the present invention;

fig. 4 is a structure enlarged view of a part C of a fluid conveying structure of a pneumatic diaphragm pump.

In the figure: the pump body 1, 2 inner chambers, 3 liquid inlets, 4 liquid outlets, 5 first-level inlets, 6 second-level inlets, 7 first-level outlets, 8 second-level outlets, 9 sealing flanges, 10 limiting rods, 11 first-level springs, 12 moving plates, 13 sealing rubber pads, 14 cylinders, 15 pistons, 16 first-level connecting rods, 17 second-level connecting rods, 18 loop rods, 19 telescopic rods, 20 pressing plates, 21 second-level springs, 22 third-level connecting rods and 23 fourth-level connecting rods.

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.

Referring to fig. 1-4, a liquid material conveying structure of a pneumatic diaphragm pump comprises a pump body 1, an inner cavity 2 is fixedly arranged in the pump body 1, the opening diameter of the inner cavity 2 is half of the opening diameter of the pump body 1, a liquid inlet 3 and a liquid outlet 4 are correspondingly arranged on two sides of the pump body 1, a first-stage inlet 5 and a second-stage inlet 6 are respectively arranged at two ends of one side of the inner cavity 2, a first-stage outlet 7 and a second-stage outlet 8 are respectively arranged at two ends of the other side of the inner cavity 2, sealing flanges 9 are welded in the first-stage inlet 5, the second-stage inlet 6, the first-stage outlet 7 and the second-stage outlet 8, a sealing mechanism is connected on the sealing flanges 9, a cylinder 14 is fixedly sleeved in the same end of the pump body 1 and the inner cavity 2, the product model of the cylinder 14 is GTL-500LR, a piston, and one-level connecting rod 16 is connected with second grade connecting rod 17, under the drive of 14 output shafts of cylinder, second grade connecting rod 17 horizontal motion, and extrude one-level connecting rod 16, the welding of 2 other ends in inner chamber has loop bar 18, and slip cover is equipped with telescopic link 19 in the loop bar 18, the welding has clamp plate 20 on the telescopic link 19, rotate respectively on loop bar 18 and the clamp plate 20 and be connected with tertiary connecting rod 22 and level four connecting rod 23, and tertiary connecting rod 22 is connected with level four connecting rod 23, clamp plate 20 atress extrudees telescopic link 19 and second grade spring 21, can extrude tertiary connecting rod 22 through level four connecting rod 23, thereby realize the two and open and shut the motion.

It should be noted that the sealing mechanism is located inside the first-stage inlet 5 and the second-stage inlet 6, and the sealing mechanism is located outside the first-stage outlet 7 and the second-stage outlet 8, so that the cylinder 14 drives the piston 15 to move, and the opening and closing operation of the sealing mechanism is realized.

The liquid inlet 3 is positioned at the same side with the first-stage inlet 5 and the second-stage inlet 6, the liquid outlet 4 is positioned at the same side with the first-stage outlet 7 and the second-stage outlet 8, the first-stage inlet 5 or the second-stage inlet 6 is opened, liquid materials entering one side of the pump body 1 through the liquid inlet 3 can flow into the inner cavity 2, and when the first-stage outlet 7 or the second-stage outlet 8 is opened, the liquid materials in the inner cavity 2 can flow into the other side of the pump body 1 through the first-stage outlet 7 or the second-stage outlet 8 and then are discharged outwards through the liquid.

The sealing mechanism comprises the following structures: the welding has gag lever post 10 on the sealed flange 9, and overlaps respectively on the gag lever post 10 and be equipped with secondary spring 11 and movable plate 12, and fixedly connected with sealed cushion 13 on the movable plate 12, and gag lever post 10 quantity is three, and three gag lever posts 10 circumference equidistance distribution, and movable plate 12 slip cap is located on three gag lever posts 10, and secondary spring 11 both ends respectively with sealed flange 9 and movable plate 12 counterbalance, sealed cushion 13 offsets with sealed flange 9 activity.

Furthermore, a flange structure is welded at the free end of the limiting rod 10 to limit the moving plate 12, so as to prevent the moving plate 12 and the sealing rubber mat 13 from sliding off.

The cylinder 14 and the piston 15 are located in the inner cavity 2, the piston 15 is in sliding contact with the inner wall of the inner cavity 2, the piston 15 can horizontally slide in the inner cavity 2 under the driving of an output shaft of the cylinder 14 to adjust the air pressure in the two ends of the inner cavity 2, so that liquid material can flow in and flow out, the telescopic rod 19 is sleeved with the secondary spring 21, and the two ends of the secondary spring 21 are respectively in contact with the loop bar 18 and the pressing plate 20.

The number of the first-level connecting rods 16 and the number of the second-level connecting rods 17 and the number of the third-level connecting rods 22 and the number of the fourth-level connecting rods 23 are three, the first-level connecting rods 16 and the second-level connecting rods 17 and the third-level connecting rods 22 and the fourth-level connecting rods 23 are circumferentially and equidistantly distributed, the free ends of the first-level connecting rods 16 are rotatably connected with the free ends of the second-level connecting rods 17, and the free ends of the third-level connecting.

The first-level connecting rod 16 and the second-level connecting rod 17, the third-level connecting rod 22 and the fourth-level connecting rod 23 are repeatedly opened and closed under the action of external force traction extrusion so as to increase the contact area with the liquid material, and meanwhile, the liquid material is stirred through opening and closing movement, so that the activity of the liquid material is ensured, and the flowing of the liquid material is accelerated.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the liquid material is conveyed into one side of the pump body 1 through the liquid inlet 3.

The cylinder 14 is opened, the output shaft of the cylinder 14 drives the piston 15 to extend leftwards and slide in the inner cavity 2, in the process, gas in the right end of the inner cavity 2 flows leftwards, under the tension action of the secondary spring 11, the secondary inlet 6 and the primary outlet 7 are arranged in the inner cavity, under the tension action of the secondary spring 11, the movable plate 12 drives the sealing rubber pad 13 to slide by taking the limiting rod 10 as a fulcrum, the sealing rubber pad 13 is separated from the sealing flange 9, the secondary inlet 6 and the primary outlet 7 are in an opening state, and at the moment, liquid material in one side of the pump body 1 enters the right end of the inner cavity 2 through the secondary inlet 6.

Meanwhile, in the primary inlet 5, the gas in the left end of the inner cavity 2 extrudes the moving plate 5, and the secondary spring 11 is compressed; in the second grade export 8, under the pulling force effect of spring 11 for sealed cushion 13 all offsets with sealed flange 9, makes one-level import 5 and second grade export 8 be sealed state.

When the output shaft of the cylinder 14 drives the piston 15 to slide in the inner cavity 2 in a rightward accommodating manner, in the process, the moving plate 12 drives the sealing rubber gasket 13 to slide on the limiting rod 10 under the tension of the spring 11 on the primary inlet 5; on the second grade export 8, the gas in the right-hand member of inner chamber 2 extrudees movable plate 12 for sealed cushion 13 all separates with sealed flange 9 phase, and one-level import 5 is the open mode with second grade export 8, makes the liquid material in the right-hand member of inner chamber 2 flow to pump body 2 opposite side through second grade export 8.

In this process, the secondary inlet 6 and the primary outlet 7 are closed.

It should be noted that when the output shaft of the cylinder 14 drives the piston 15 to move leftward, the secondary inlet 6 and the primary outlet 7 are opened, so that the liquid material in the inner cavity 2 can flow into the other side of the pump body 1 through the primary outlet 7.

Further, in the process that the output shaft of the cylinder 14 drives the piston 15 to slide left and right:

on one hand, the output shaft of the cylinder 14 drives the second-stage connecting rod 17 to move, so that the first-stage connecting rod 16 and the second-stage connecting rod 17 are opened and closed in a reciprocating manner to stir liquid materials in the right end of the inner cavity 2, and the liquid materials are prevented from being solidified to move in an accelerating manner;

on the other hand, the piston 15 drives the gas to extrude the pressing plate 20, the pressing plate 20 drives the telescopic rod 19 to slide by taking the sleeve rod 18 as a fulcrum, and the first-stage spring 21 is extruded, but under the tension action of the first-stage spring 21, the pressing plate 20 drives the fourth-stage connecting rod 23 to slide left and right, so that the third-stage connecting rod 22 and the fourth-stage connecting rod 23 are repeatedly opened and closed, liquid materials in the left end of the inner cavity 2 are stirred, and the movement of the liquid materials is accelerated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic diaphragm pump liquid material transport structure, includes the pump body (1), its characterized in that, inner chamber (2) have been seted up to pump body (1) internal fixation, and the pump body (1) both sides correspond and have seted up inlet (3) and liquid outlet (4), one-level import (5) and second grade import (6) have been seted up respectively to inner chamber (2) one side both ends, and one-level export (7) and second grade export (8) have been seted up respectively to inner chamber (2) opposite side both ends, it has sealed flange (9) all to weld in one-level import (5), second grade import (6), one-level export (7) and second grade export (8), and is connected with sealing mechanism on sealed flange (9), pump body (1) and inner chamber (2) same end internal fixation cover are equipped with cylinder (14), and fixedly connected with piston (15) on cylinder (14) output shaft, there are one-level connecting rod (16) and two round pin joints respectively on inner Level connecting rod (17), and one-level connecting rod (16) are connected with level connecting rod (17), the welding of inner chamber (2) other end has loop bar (18), and slides in loop bar (18) and overlap and be equipped with telescopic link (19), the welding has clamp plate (20) on telescopic link (19), rotate respectively on loop bar (18) and clamp plate (20) and be connected with tertiary connecting rod (22) and level four connecting rod (23), and tertiary connecting rod (22) is connected with level four connecting rod (23).

2. The liquid conveying structure of an air operated diaphragm pump according to claim 1, wherein the liquid inlet (3) is located on the same side as the primary inlet (5) and the secondary inlet (6), and the liquid outlet (4) is located on the same side as the primary outlet (7) and the secondary outlet (8).

3. An air operated diaphragm pump liquid feed arrangement according to claim 1, wherein said sealing mechanism comprises the following: the sealing flange (9) is welded with a limiting rod (10), the limiting rod (10) is sleeved with a first-stage spring (11) and a movable plate (12), and the movable plate (12) is fixedly connected with a sealing rubber pad (13).

4. The liquid conveying structure of the air operated diaphragm pump according to claim 3, wherein the number of the limiting rods (10) is three, and the three limiting rods (10) are circumferentially and equidistantly distributed, the moving plate (12) is slidably sleeved on the three limiting rods (10), two ends of the primary spring (11) respectively abut against the sealing flange (9) and the moving plate (12), and the sealing rubber gasket (13) movably abuts against the sealing flange (9).

5. An air operated diaphragm pump liquid material conveying structure according to claim 1, characterized in that the cylinder (14) and the piston (15) are located in the inner cavity (2), and the piston (15) is in sliding contact with the inner wall of the inner cavity (2).

6. The liquid conveying structure of the air operated diaphragm pump according to claim 1, wherein the telescopic rod (19) is sleeved with a secondary spring (21), and two ends of the secondary spring (21) respectively abut against the sleeve rod (18) and the pressing plate (20).

7. The liquid conveying structure of the air operated diaphragm pump according to claim 1, wherein the number of the first connecting rods (16) and the second connecting rods (17), and the number of the third connecting rods (22) and the number of the fourth connecting rods (23) are three, the first connecting rods (16) and the second connecting rods (17), and the number of the third connecting rods (22) and the number of the fourth connecting rods (23) are circumferentially equidistantly distributed, the free ends of the first connecting rods (16) are rotatably connected with the free ends of the second connecting rods (17), and the free ends of the third connecting rods (22) are rotatably connected with the free ends of the fourth connecting rods (23).