CN218266259U

CN218266259U - Diaphragm pump with high sealing performance

Info

Publication number: CN218266259U
Application number: CN202222653055.5U
Authority: CN
Inventors: 蔡伟林
Original assignee: Zhejiang Zhanbo Diaphragm Pump Manufacturing Co ltd
Current assignee: Zhejiang Zhanbo Diaphragm Pump Manufacturing Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-10
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the field of diaphragm pumps, in particular to a high-sealing diaphragm pump, which comprises a base, a foot rest, a pump body, a connecting pipe and a sealing mechanism arranged on the surface of the foot rest, wherein the foot rest is attached to the surface of the base, the surface of the foot rest is fixedly connected with the pump body, the surface of the pump body is provided with the connecting pipe, and the sealing mechanism comprises a transmission assembly and a sealing assembly; the transmission assembly comprises an installation rod, a turntable and a pulling plate, and the installation rod is rotatably connected above the foot rest; by arranging the pulling plates, because the pulling plates are arranged on the transverse central axis of the rotary table, pulling force can be applied to the two groups of pulling plates when the rotary table rotates, so that the two groups of pulling plates pull the connecting plates to be close to the circle center of the connecting pipe, then the clamping ring can move along with the connecting plate, and the surface of the sealing ring is clamped and fixed, so that the sealing ring is more attached to the pipeline; through setting up the fixture block, when the fixture block runs through the inside that the foot rest extends to the base, can realize the installation to the pump body, it is simple convenient.

Description

Diaphragm pump with high sealing performance

Technical Field

The utility model relates to a diaphragm pump field specifically is a diaphragm pump of high leakproofness.

Background

Diaphragm pumps, also known as control pumps, are the main type of actuators that are operated by power to vary the fluid flow by receiving a control signal from a regulating control unit. The diaphragm pump is used in the control process to receive the control signal of the regulator or the computer and change the flow rate of the regulated medium to maintain the regulated parameters in the required range, so as to realize the automation of the production process. The diaphragm pump is not required to be opened to realize the adjustment and control of certain parameters of the process, such as temperature, pressure, flow, liquid level and the like; therefore, a diaphragm pump having high sealing performance is proposed to solve the above problems.

However, when many diaphragm pumps are used, the connection pipe connected with the diaphragm pump leaks due to insufficient sealing performance, which affects the use performance of the diaphragm pump.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, solve present a lot of diaphragm pumps when using, the connecting pipe that is connected with it can lead to revealing because the leakproofness is not enough, brings the problem of influence for the performance of diaphragm pump, the utility model provides a diaphragm pump of high leakproofness.

The utility model provides a technical scheme that its technical problem adopted is: the utility model discloses a diaphragm pump of high leakproofness, including base, foot rest, the pump body, linking pipe and set up the sealing mechanism on the foot rest surface, the foot rest fits the surface of base, the fixed surface of foot rest is connected with the pump body, the surface of the pump body is provided with linking pipe, the sealing mechanism includes drive assembly and sealing component;

the transmission assembly comprises an installation rod, a rotary table and a pulling plate, the installation rod is rotatably connected above the foot rest, the surface of the installation rod is fixedly connected with the rotary table, and the surface of the rotary table is rotatably connected with the pulling plate;

the sealing assembly comprises a connecting plate, clamping rings and sealing rings, the connecting plate is rotatably connected to the surface of the pulling plate, the clamping rings are fixedly connected to the side faces of the connecting plate, and the sealing rings are fixedly connected to the inner portions of the connecting pipes.

The surface of base is provided with the hydraulic stem, the output fixedly connected with lifter plate of hydraulic stem, the surface of lifter plate has linked firmly the slide bar, the surperficial sliding connection of slide bar has the connecting plate, the fixed surface of connecting plate is connected with the movable block, the surperficial swivelling joint of movable block has the fly leaf, the bottom swivelling joint of fly leaf has the fixture block.

Preferably, the connecting pipe is arranged on a central axis of the pump body, and a screw cap is connected to the tail part of the mounting rod through threads.

Preferably, the pulling plates are symmetrically arranged in two groups about the circle center of the rotary table, and the pulling plates are perpendicular to the transverse central axis of the rotary table.

Preferably, the clamping rings and the circle centers of the connecting pipes are located at the same point, and the clamping rings form a sliding structure through the connecting plates.

Preferably, the sliding rod is vertically arranged at the end point of the lifting plate.

Preferably, the sliding rod is embedded into an inclined sliding groove on the surface of the connecting plate and is in sliding connection with the inclined sliding groove.

Preferably, the movable plate is provided with two groups in a splayed shape, and the clamping blocks penetrate through the foot stool and extend into the base.

The utility model discloses an useful part lies in:

1. by arranging the pulling plates, because the pulling plates are arranged on the transverse central axis of the rotary table, pulling force can be applied to the two groups of pulling plates when the rotary table rotates, so that the two groups of pulling plates pull the connecting plates to be close to the circle center of the connecting pipe, then the clamping ring can move along with the connecting plate, and the surface of the sealing ring is clamped and fixed, so that the sealing ring is more attached to the pipeline; by arranging the fixture block, when the fixture block penetrates through the foot rest and extends into the base, the pump body can be installed simply and conveniently;

2. through setting up the lifter plate, when needing to change the pump body, only need open the hydraulic stem, the hydraulic stem can drive the lifter plate afterwards and rise, because the slide bar embedding with lifter plate fixed connection is in the slant spout on connector plate surface, can slide along the slant slide when the slide bar, the connecting plate can follow thereupon to the side slip, because the fly leaf is provided with two sets of that are "eight" font, when the connecting plate motion, can stimulate fixture block roll-off foot rest, can realize dismantling the pump body.

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 view of a connector tile according to a first embodiment;

FIG. 2 is a schematic structural view of a connecting plate according to a second embodiment;

FIG. 3 is a schematic structural view of a pulling plate according to the first embodiment;

fig. 4 is a schematic diagram of a movable plate structure according to a second embodiment.

In the figure: 1. a base; 2. a foot rest; 3. a pump body; 4. connecting the pipe; 5. mounting a rod; 6. a turntable; 7. pulling a plate; 8. a connector tile; 9. a clamping ring; 10. a seal ring; 11. a hydraulic lever; 12. a lifting plate; 13. a slide bar; 14. a connecting plate; 15. a movable block; 16. a movable plate; 17. and (6) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, a diaphragm pump with high sealing performance includes a base 1, a foot rest 2, a pump body 3, a connection pipe 4, and a sealing mechanism disposed on the surface of the foot rest 2, wherein the foot rest 2 is attached to the surface of the base 1, the pump body 3 is fixedly connected to the surface of the foot rest 2, the connection pipe 4 is disposed on the surface of the pump body 3, and the sealing mechanism includes a transmission assembly and a sealing assembly;

the transmission assembly comprises an installation rod 5, a rotary table 6 and a pull plate 7, the installation rod 5 is rotatably connected above the foot stool 2, the rotary table 6 is fixedly connected to the surface of the installation rod 5, and the pull plate 7 is rotatably connected to the surface of the rotary table 6;

the sealing assembly comprises a connecting plate 8, a clamping ring 9 and a sealing ring 10, wherein the connecting plate 8 is rotatably connected to the surface of the pull plate 7, the clamping ring 9 is fixedly connected to the side surface of the connecting plate 8, and the sealing ring 10 is fixedly connected to the inner part of the connecting pipe 4.

Furthermore, the linking pipe 4 is arranged on the central axis of the pump body 3, the tail part of the installation rod 5 is in threaded connection with a nut, and the installation rod 5 can be fixed at any time by arranging the nut.

Furthermore, the pulling plates 7 are symmetrically arranged in two groups about the center of the rotary table 6, the pulling plates 7 are perpendicular to the transverse central axis of the rotary table 6, and the pulling plates 7 are arranged on the transverse central axis of the rotary table 6, so that pulling force can be applied to the two groups of pulling plates 7 when the rotary table 6 rotates, and the two groups of pulling plates 7 pull the connecting plates 8 to be close to the center of the connecting pipe 4.

Furthermore, the centre of a circle of clamp ring 9 and linking pipe 4 is located the same point, and clamp ring 9 constitutes sliding construction through linking board 8, through setting up clamp ring 9, can carry out the centre gripping to sealing washer 10, makes it laminate the pipeline more.

Example two

Referring to fig. 1 to 4, in a first comparative example, as another embodiment of the present invention,

the surface of base 1 is provided with hydraulic stem 11, and the output fixedly connected with lifter plate 12 of hydraulic stem 11, the surface of lifter plate 12 links firmly has slide bar 13, and the surface sliding connection of slide bar 13 has connecting plate 14, and the fixed surface of connecting plate 14 is connected with movable block 15, and the surperficial swivelling joint of movable block 15 has fly leaf 16, and the bottom swivelling joint of fly leaf 16 has fixture block 17.

Further, the sliding rod 13 is vertically disposed at an end point of the lifting plate 12, so that the sliding rod 13 fixedly connected to the lifting plate 12 is embedded in the oblique sliding groove on the surface of the connecting plate 14, and the sliding rod 13 slides along the oblique sliding groove.

Further, the sliding rod 13 is embedded into the inclined sliding groove on the surface of the connecting plate 14 and is connected with the inclined sliding groove in a sliding manner, and by arranging the connecting plate 14, when the sliding rod 13 ascends, the connecting plate 14 slides to the side along with the inclined sliding groove.

Furthermore, two groups of movable plates 16 are arranged in a splayed shape, and the clamping blocks 17 penetrate through the foot rest 2 and extend into the base 1, because the two groups of movable plates 16 are arranged in the splayed shape, when the connecting plate 14 moves, the clamping blocks 17 can be pulled to slide out of the foot rest 2, and the pump body 3 can be detached.

The working principle is that when the pipeline connecting device is used, a pipeline is in butt joint with the connecting pipe 4, the pipeline is installed inside the connecting pipe 4, the pipeline can be tightly attached to the sealing ring 10 under the action of the sealing ring 10, the installation rod 5 can be rotated in order to enhance the sealing performance, then the installation rod 5 can drive the rotary table 6 to rotate, and as the pull plates 7 are arranged on the transverse central axis of the rotary table 6, pulling force can be applied to the two groups of pull plates 7 when the rotary table 6 rotates, so that the two groups of pull plates 7 pull the connecting plate 8 to be close to the circle center of the connecting pipe 4, and then the clamping ring 9 can move along with the pull plates and clamp and fix the surface of the sealing ring 10, so that the sealing ring 10 is more attached to the pipeline; by arranging the fixture block 17, when the fixture block 17 penetrates through the foot rest 2 and extends into the base 1, the pump body 3 can be installed simply and conveniently;

when the pump body 3 needs to be replaced, only the hydraulic rod 11 needs to be opened, then the hydraulic rod 11 can drive the lifting plate 12 to ascend, because the sliding rod 13 fixedly connected with the lifting plate 12 is embedded in the oblique sliding groove on the surface of the connecting plate 14, the sliding rod 13 can slide along the oblique sliding way, then the connecting plate 14 can slide to the side, because the movable plate 16 is provided with two groups in the shape of the Chinese character 'ba', when the connecting plate 14 moves, the clamping block 17 can be pulled to slide out of the foot rest 2, and the pump body 3 can be detached.

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. The utility model provides a diaphragm pump of high leakproofness, includes base (1), foot rest (2), the pump body (3), links up pipe (4) and sets up in the sealing mechanism on foot rest (2) surface, its characterized in that: the foot rest (2) is attached to the surface of the base (1), the surface of the foot rest (2) is fixedly connected with a pump body (3), the surface of the pump body (3) is provided with a connecting pipe (4), and the sealing mechanism comprises a transmission assembly and a sealing assembly;

the transmission assembly comprises an installation rod (5), a rotary table (6) and a pulling plate (7), the installation rod (5) is rotatably connected above the foot rest (2), the rotary table (6) is fixedly connected to the surface of the installation rod (5), and the pulling plate (7) is rotatably connected to the surface of the rotary table (6);

the sealing assembly comprises a connecting plate (8), clamping rings (9) and sealing rings (10), the connecting plate (8) is rotatably connected to the surface of the pulling plate (7), the clamping rings (9) are fixedly connected to the side faces of the connecting plate (8), and the sealing rings (10) are fixedly connected to the inner portion of the connecting pipe (4).

2. A high-sealability diaphragm pump according to claim 1, wherein: the surface of base (1) is provided with hydraulic stem (11), the output fixedly connected with lifter plate (12) of hydraulic stem (11), the surface of lifter plate (12) is connected with slide bar (13) admittedly, the surface sliding connection of slide bar (13) has connecting plate (14), the surface fixed connection of connecting plate (14) has movable block (15), the surface swivelling joint of movable block (15) has fly leaf (16), the bottom swivelling joint of fly leaf (16) has fixture block (17).

3. A high-sealability diaphragm pump according to claim 1, wherein: the connecting pipe (4) is arranged on the central axis of the pump body (3), and the tail part of the mounting rod (5) is in threaded connection with a screw cap.

4. A high-sealability diaphragm pump according to claim 1, wherein: the pull plates (7) are symmetrically arranged in two groups about the circle center of the rotary table (6), and the pull plates (7) are perpendicular to the transverse central axis of the rotary table (6).

5. A high-sealability diaphragm pump according to claim 1, wherein: the circle centers of the clamping rings (9) and the connecting pipes (4) are located at the same point, and the clamping rings (9) form a sliding structure through the connecting plates (8).

6. A high-sealability diaphragm pump according to claim 2, wherein: the sliding rod (13) is vertically arranged at the end point of the lifting plate (12).

7. A high-sealability diaphragm pump according to claim 2, wherein: the sliding rod (13) is embedded into the inclined sliding groove on the surface of the connecting plate (14) and is connected with the inclined sliding groove in a sliding mode.

8. A high-sealability diaphragm pump according to claim 2, wherein: the movable plates (16) are provided with two groups in a splayed shape, and the clamping blocks (17) penetrate through the foot rest (2) and extend into the base (1).