Diaphragm pump capable of automatically regulating pressure and discharging liquid crosswise

Abstract

The utility model relates to the field of diaphragm pumps, and discloses an automatic pressure regulating and cross liquid discharging diaphragm pump. According to the pump, two liquid storage cavities are formed in the two ends of the pump body, diaphragms are arranged in the liquid storage cavities, a pressure adjusting box is arranged on one side of the interior of the pump body, a movable plate is movably arranged in the pressure adjusting box, and a movable rod is arranged on the surface of the movable plate; the surface of the end, in the liquid storage cavity, of the movable rod is in threaded connection with an adjusting nut, diaphragms are arranged in the pump body and the liquid storage cavity, when the pump works, under driving of liquid or gas, the movable rod and the movable plate which are arranged in a matched mode slide in the pressure adjusting box, and therefore the internal pressure intensity of the pump body and the liquid storage cavity is changed; therefore, liquid can be better stored in the liquid storage cavity, and meanwhile the liquid discharging efficiency of the diaphragm pump is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of diaphragm pumps, in particular to an automatic pressure regulating cross liquid discharging diaphragm pump. BACKGROUND

[0002] The pneumatic diaphragm pump is a new type of liquid material conveying equipment, which can replace the use of submersible pumps, sewage pumps, centrifugal pumps and other equipment. Because it can transport liquid containing solid particles, it is widely used in more and more industries such as petrochemical industry, coating, ship, water treatment, food, papermaking and mining.

[0003] However, the pressure inside the liquid storage cavity will change during use of the pneumatic diaphragm pump. By setting a structure that can adjust the pressure, the use effect can be better. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the application is to solve the problem of adjusting the pressure inside the liquid storage cavity, and to provide an automatic pressure regulating cross liquid discharging diaphragm pump.

[0005] The technical scheme adopted by the application is as follows: an automatic pressure regulating cross liquid discharging diaphragm pump, comprising a pump body, two liquid storage cavities are arranged at both ends of the pump body, and a diaphragm is arranged inside the liquid storage cavity, a pressure regulating box is arranged inside one side of the pump body, a movable plate is movably arranged inside the pressure regulating box, a movable rod is arranged on the surface of the movable plate, and an adjusting nut is threadedly connected to one end surface of the movable rod inside the liquid storage cavity.

[0006] By adopting the above technical scheme, when the pump body and the liquid storage cavity are arranged with a diaphragm, the movable rod and the movable plate are driven by the liquid or the gas to slide inside the pressure regulating box, so as to change the internal pressure of the pump body and the liquid storage cavity, so that the liquid storage cavity can better store liquid, and the liquid discharging efficiency of the diaphragm pump is improved.

[0007] In a preferred embodiment, the bottom surface of the two liquid storage cavities is provided with a lower connecting pipe, and the middle surface of the lower connecting pipe is provided with an inlet pipe.

[0008] By adopting the above technical scheme, when the pump body is working, the liquid can be transported into the interior of the pump body through the lower connecting pipe and the inlet pipe.

[0009] In a preferred embodiment, the two bending angle surfaces of the lower connecting pipe are provided with a placing rack, and the surface of the placing rack is provided with a mounting hole.

[0010] By adopting the above technical scheme, the placing rack cooperates with the mounting hole to enable the structure to be stably placed on the ground.

[0011] In a preferred embodiment, the upper surface of the two liquid storage cavities is provided with an upper connecting pipe, and the middle surface of the upper connecting pipe is provided with an outlet pipe.

[0012] By using the above technical scheme, when the pump body is working, it can be transported to the outside through the upper connecting pipe and the outlet pipe.

[0013] In a preferred embodiment, the surface of the upper connecting pipe and the lower connecting pipe is provided with a connecting disc, the surface of the connecting disc is threadedly connected with a threaded bolt, and the inside of the upper connecting pipe and the lower connecting pipe is provided with a ball valve.

[0014] By using the above technical scheme, the connecting disc cooperates with the threaded bolt to facilitate the connection between the upper connecting pipe and the lower connecting pipe, and the ball valve can adjust and control the flow in the inside.

[0015] In a preferred embodiment, the middle surface of the pump body is provided with a middle body and a pneumatic assembly.

[0016] By using the above technical scheme, the middle body cooperates with the pneumatic assembly to drive the whole device to work, so that the subsequent work can be carried out normally.

[0017] In a preferred embodiment, one side surface of the pump body is provided with a sound attenuation assembly and an air port.

[0018] By using the above technical scheme, the air port can facilitate the flow of external air and the internal air of the pump body, and the sound attenuation assembly can reduce noise.

[0019] As described above, due to the use of the above technical scheme, the beneficial effects of the present application are:

[0020] In the present application, the diaphragm is arranged in the inside of the pump body and the liquid storage cavity. When working, it is driven by the liquid or gas, cooperates with the movable rod and the movable plate arranged in the inside of the pressure regulating box to slide, so as to change the internal pressure of the pump body and the liquid storage cavity, so that the liquid storage cavity can better store liquid, and the liquid discharge efficiency of the diaphragm pump is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The automatic pressure regulating cross liquid discharge diaphragm pump main body structure of the present application is shown in the figure;

[0022] Figure 2 The back structure of the automatic pressure regulating cross liquid discharge diaphragm pump in the present application is shown in the figure;

[0023] Figure 3 The pump body cross section structure in the present application is shown in the figure;

[0024] Figure 4 For the ball valve structure schematic diagram in the application.

[0025] Marked in the figure: 1, pump body; 2, liquid storage cavity; 3, upper connecting pipe; 4, lower connecting pipe; 5, outlet pipe; 6, inlet pipe; 7, placing rack; 8, mounting hole; 9, intermediate body; 10, silencing assembly; 11, gas port; 12, diaphragm; 13, pressure regulating box; 14, movable rod; 15, movable plate; 16, adjusting nut; 17, connecting disc; 18, ball valve; 19, threaded bolt; 20, pneumatic assembly. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the embodiments of the application clearer, the technical scheme in the embodiments of the application will be described clearly and completely below in conjunction with the embodiments of the application. Obviously, the described embodiments are some but not all of the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the application.

[0027] EMBODIMENT:

[0028] Referring to Figures 1-3 , an automatic pressure regulating cross liquid discharge diaphragm pump comprises a pump body 1, two liquid storage cavities 2 are arranged at two ends of the pump body 1, and a diaphragm 12 is arranged in the liquid storage cavities 2; a pressure regulating box 13 is arranged on one side in the pump body 1; a movable plate 15 is movably arranged in the pressure regulating box 13; a movable rod 14 is arranged on the surface of the movable plate 15; an adjusting nut 16 is threadedly connected to one end surface of the movable rod 14 in the liquid storage cavity 2; when the diaphragm 12 works, the movable rod 14 and the movable plate 15 arranged in cooperation slide in the pressure regulating box 13 under the driving of liquid or gas, so as to change the internal pressure of the pump body 1 and the liquid storage cavities 2, so that the liquid storage cavities 2 can better store liquid, and the liquid discharge efficiency of the diaphragm pump is improved.

[0029] Referring to Figures 1-2 , lower connecting pipes 4 are arranged on the bottom surfaces of the two liquid storage cavities 2; inlet pipes 6 are arranged on the middle surfaces of the lower connecting pipes 4; when the pump body works, liquid can be transported into the pump body through the lower connecting pipes 4 and the inlet pipes 6.

[0030] Referring to Figure 1 , placing racks 7 are arranged on the two bent corner surfaces of the lower connecting pipes 4; mounting holes 8 are arranged on the surfaces of the placing racks 7; the placing racks 7 arranged in cooperation with the mounting holes 8 can make the structure stably placed on the ground.

[0031] Referring to Figure 1The upper surface of the two liquid storage cavities 2 is provided with an upper connecting pipe 3, and the middle surface of the upper connecting pipe 3 is provided with an outlet pipe 5. When the pump body is working, the liquid can be transported to the outside through the upper connecting pipe 3 and the outlet pipe 5.

[0032] With reference to Figures 1-4 The surfaces of the upper connecting pipe 3 and the lower connecting pipe 4 are provided with a connecting flange 17, the surface of the connecting flange 17 is threadedly connected with a threaded bolt 19, and the interior of the upper connecting pipe 3 and the lower connecting pipe 4 is provided with a ball valve 18. The connecting flange 17 cooperates with the threaded bolt 19 to facilitate the connection between the upper connecting pipe 3 and the lower connecting pipe 4, and the ball valve 18 can control the flow in the interior.

[0033] With reference to Figures 1-2 The middle surface of the pump body 1 is provided with an intermediate body 9 and a pneumatic assembly 20. The intermediate body 9 cooperates with the pneumatic assembly 20 to drive the whole device to work, so that the subsequent work can be carried out normally.

[0034] With reference to Figure 1 One side surface of the pump body 1 is provided with a sound attenuation assembly 10 and an air port 11. The air port 11 facilitates the flow of external air and the internal air of the pump body 1, and the sound attenuation assembly 10 can reduce noise.

[0035] The implementation principle of the automatic pressure regulating cross liquid discharge diaphragm pump embodiment is:

[0036] The diaphragm 12 in the interior of the pump body 1 and the liquid storage cavity 2 is driven by the liquid or the gas, and cooperates with the movable rod 14 and the movable plate 15 to slide in the interior of the pressure regulating box 13, so that the pressure in the interior of the pump body 1 and the liquid storage cavity 2 is changed, so that the liquid storage cavity 2 can better store liquid, and the liquid discharge efficiency of the diaphragm pump is improved.

[0037] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An automatic pressure-regulating cross-drainage diaphragm pump, comprising a pump body (1), characterized in that: Two liquid storage chambers (2) are provided at both ends of the pump body (1), and a diaphragm (12) is provided inside the liquid storage chamber (2). A pressure regulating box (13) is provided on one side of the pump body (1). A movable plate (15) is movably provided inside the pressure regulating box (13), and a movable rod (14) is provided on the surface of the movable plate (15). An adjusting nut (16) is threadedly connected to one end of the movable rod (14) inside the liquid storage chamber (2).

2. The automatic pressure regulating cross-drainage diaphragm pump as described in claim 1, characterized in that: The bottom surfaces of the two liquid storage chambers (2) are provided with lower connecting pipes (4), and the middle surface of the lower connecting pipes (4) is provided with an inlet pipe (6).

3. The automatic pressure regulating cross-drainage diaphragm pump as described in claim 2, characterized in that: The two bends of the lower connecting pipe (4) are provided with a placement rack (7), and the surface of the placement rack (7) is provided with a mounting hole (8).

4. The automatic pressure regulating cross-drainage diaphragm pump as described in claim 1, characterized in that: The upper surfaces of the two liquid storage chambers (2) are provided with upper connecting pipes (3), and the middle surface of the upper connecting pipes (3) is provided with an outlet pipe (5).

5. The automatic pressure regulating cross-drainage diaphragm pump as described in claim 4, characterized in that: The upper connecting pipe (3) and the lower connecting pipe (4) are provided with connecting discs (17), the surface of the connecting discs (17) is threaded with threaded bolts (19), and a ball valve (18) is provided inside the upper connecting pipe (3) and the lower connecting pipe (4).

6. The automatic pressure regulating cross-drainage diaphragm pump as described in claim 1, characterized in that: The pump body (1) has an intermediate body (9) and a pneumatic assembly (20) on its intermediate surface.

7. The automatic pressure regulating cross-drainage diaphragm pump as described in claim 1, characterized in that: The pump body (1) is provided with a noise reduction assembly (10) and an air inlet (11) on one side surface.

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