CN216767716U

CN216767716U - Mechanical control device of diaphragm pump

Info

Publication number: CN216767716U
Application number: CN202122972038.3U
Authority: CN
Inventors: 叶小龙; 万文璐; 廖鹏超; 陆浙炜; 施凌超
Original assignee: Ningbo University of Technology
Current assignee: Ningbo University of Technology
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-17
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a mechanical control device of a diaphragm pump, which comprises a diaphragm pump body, wherein a fixed frame is fixedly connected to the diaphragm pump body, an inserting plate is inserted into the top of an inner cavity of the fixed frame, an air cylinder is fixedly connected to the top of the inserting plate, a piston rod of the air cylinder penetrates through the inserting plate and is fixedly connected with a threaded rod, a telescopic post matched with the diaphragm pump body is arranged at the bottom end of the threaded rod, an installation mechanism is arranged at one end, close to each other, of the threaded rod and the telescopic post, a fixing mechanism matched with the inserting plate is arranged at one side of the fixed frame, in the utility model, the piston rod of the original air cylinder is directly connected with a diaphragm in the diaphragm pump body, the telescopic post is directly connected with the diaphragm, the air cylinder can be timely disassembled by using the fixing mechanism and the installation mechanism when the air cylinder needs to be replaced or maintained, and can be butted with the telescopic rod by using other tools, the diaphragm pump can be made to work again temporarily, and the working efficiency of the diaphragm pump body is improved.

Description

Mechanical control device of diaphragm pump

Technical Field

The utility model relates to the technical field of diaphragm pumps, in particular to a mechanical control device of a diaphragm pump.

Background

The diaphragm pump is also called as a control pump, is the main type of an actuator, receives a control signal output by a regulating control unit, utilizes a mechanical control device to drive the diaphragm to move up and down continuously to change the flow of fluid, and has the function of receiving the control signal of a regulator or a computer in the control process to change the flow of a regulated medium so as to maintain the regulated parameters in a required range, thereby achieving the automation of the production process.

However, the mechanical control device of the traditional diaphragm pump is mostly fixed by directly utilizing the cylinder and the pump body, meanwhile, the piston rod of the cylinder is directly connected with the diaphragm, when the cylinder is damaged, the cylinder cannot be quickly disassembled, maintained or replaced, meanwhile, the diaphragm pump cannot be operated again by other tools, the diaphragm pump needs to be stopped for a long time, after the maintenance is completed, the diaphragm pump can normally work, and the working efficiency of the mechanical control device is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that most of mechanical control devices in the prior art are directly fixed with a pump body by using an air cylinder, and a piston rod of the air cylinder is directly connected with a diaphragm, so that the air cylinder cannot be quickly disassembled, maintained or replaced when the air cylinder is damaged, and the diaphragm pump cannot be operated again by other tools.

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

the utility model provides a mechanical control device of diaphragm pump, includes the diaphragm pump body, the fixed frame of fixedly connected with on the diaphragm pump body, the top of fixed frame inner chamber is inserted and is equipped with the picture peg, the top fixedly connected with cylinder of picture peg, the piston rod of cylinder runs through picture peg and fixedly connected with threaded rod, the bottom of threaded rod is provided with the flexible post that uses with the cooperation of diaphragm pump body, the one end that threaded rod and flexible post are close to each other is provided with installation mechanism, one side of fixed frame is provided with the fixed establishment who uses with the picture peg cooperation.

As a further scheme of the utility model, the fixing mechanism comprises a movable seat, the movable seat is fixedly connected to the front side and the back side of one side of the plug board, one side of the movable seat penetrates through the fixed frame and is rotatably connected with the mounting plate through a movable shaft, the front side and the back side of the top of one side of the fixed frame are both fixedly connected with fixed blocks, one side of the fixed block is fixedly connected with a screw rod, the bottom of one side of the mounting plate is provided with a through groove, one end of the screw rod penetrates through the through groove and is in threaded connection with a screw cap, and one side of the screw cap is attached to the mounting plate.

As a further scheme of the present invention, the mounting mechanism includes a threaded sleeve, an inner ring of the threaded sleeve is in threaded connection with a threaded rod, an external thread matched with the threaded sleeve is arranged on the telescopic column, a fixing ring is fixedly connected to the telescopic column, a spring is wound on the telescopic column, a bottom end of the spring is fixedly connected to the fixing ring, a movable ring is fixedly connected to a top end of the spring, an inner ring of the movable ring is slidably connected to a surface of the telescopic column, a top of the movable ring is in contact with a bottom of the threaded sleeve, clamping grooves are vertically formed in bottoms of peripheries of the threaded sleeve, clamping blocks are clamped in the clamping grooves, and bottoms of the clamping blocks are fixedly connected to a top of the movable ring.

As a further scheme of the utility model, sliding blocks are fixedly connected to the periphery of the inner cavity of the movable ring, and sliding grooves matched with the sliding blocks for use are vertically formed in the periphery of the top of the surface of the telescopic column.

As a further scheme of the utility model, the tops of the front surface and the back surface of the inner cavity of the fixing frame are transversely provided with slide ways, slide plates are arranged in the slide ways in a sliding manner, and the sides, close to each other, of the slide plates are fixedly connected with the front surface and the back surface of the inserting plate.

As a further scheme of the utility model, the screw cap is rotatably connected with an auxiliary bearing, and one side of the auxiliary bearing close to each other is fixedly connected with a connecting rod.

As a further scheme of the utility model, the rubber block is attached to the top of the right side of the mounting plate, one side of the rubber block is fixedly connected to the fixing frame, and the rubber block is positioned at the top of the fixing block.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, the telescopic column is arranged, so that a piston rod of the original cylinder can be conveniently and directly connected with the diaphragm in the diaphragm pump body, the telescopic column is improved to be directly connected with the diaphragm, the cylinder can be conveniently and timely maintained or replaced when damaged, meanwhile, the screw cap can be rotated and separated from the screw rod by arranging the fixing mechanism and the mounting mechanism and utilizing the threaded connection of the screw rod and the screw cap, the locking state of the mounting plate can be conveniently and quickly released, then the movable ring is pulled downwards, so that the clamping block is driven to be separated from the inner cavity of the clamping groove, the locking state of the threaded sleeve is released, the threaded sleeve is rotated, the threaded sleeve can be quickly and upwards rotated on the surface of the threaded rod, the locking state of the screw rod and the telescopic column is released, then a user swings the mounting plate to be in a parallel state, the plug board can be pulled out from the fixing frame, and the cylinder can be quickly disassembled, the cylinder is convenient to maintain independently, meanwhile, the diaphragm pump body can work again temporarily by utilizing an external tool to be butted with the telescopic column until the cylinder is repaired, and meanwhile, when the cylinder is damaged, the cylinder is convenient to replace quickly in time, so that the working efficiency of a mechanical control device is improved, and the efficiency of the diaphragm pump body is improved;

2. according to the utility model, the sliding block and the sliding groove are arranged, so that the movable ring can be limited in a sliding manner, the movable ring is prevented from rotating along with the rotation of the threaded sleeve, the limiting effect on the threaded sleeve is improved, the rotation of the threaded sleeve can be effectively avoided, and the overall stability of the mechanical control device is improved.

According to the utility model, the piston rod of the original cylinder is directly connected with the diaphragm in the diaphragm pump body, and the telescopic column is improved to be directly connected with the diaphragm, so that the cylinder can be conveniently detached by using the fixing mechanism and the mounting mechanism in time when the cylinder needs to be replaced or maintained, meanwhile, the diaphragm pump can be temporarily restarted by butting with the telescopic rod by means of other tools, and the working efficiency of the diaphragm pump body is improved.

Drawings

FIG. 1 is a schematic structural diagram of a mechanical control device of a diaphragm pump according to the present invention;

FIG. 2 is a side view of a portion of a mechanical control device for a diaphragm pump in accordance with the present invention;

FIG. 3 is a perspective view of the fixing mechanism according to the present invention;

FIG. 4 is a perspective view of the mounting mechanism of the present invention.

In the figure: 1. a diaphragm pump body; 2. a telescopic column; 3. a fixing frame; 4. inserting plates; 5. a cylinder; 6. a threaded rod; 7. a slideway; 8. a slide plate; 9. a fixing mechanism; 901. a movable seat; 902. mounting a plate; 903. a fixed block; 904. a screw shaft; 905. a screw cap; 10. a rubber block; 11. a connecting rod; 12. an installation mechanism; 121. a threaded sleeve; 122. a fixing ring; 123. a spring; 124. a movable ring; 125. a card slot; 126. a clamping block; 13. a sliding groove; 14. and a slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-4, a mechanical control device of a diaphragm pump comprises a diaphragm pump body 1, a fixed frame 3 is fixedly connected to the diaphragm pump body 1, an insertion plate 4 is inserted into the top of an inner cavity of the fixed frame 3, an air cylinder 5 is fixedly connected to the top of the insertion plate 4, a piston rod of the air cylinder 5 penetrates through the insertion plate 4 and is fixedly connected with a threaded rod 6, a telescopic post 2 matched with the diaphragm pump body 1 is arranged at the bottom end of the threaded rod 6, the telescopic post 2 is designed to be directly connected with a diaphragm in the diaphragm pump body 1, the air cylinder 5 can be conveniently and timely disassembled or replaced when the air cylinder 5 is damaged, an installation mechanism 12 is arranged at one end, close to each other, of the threaded rod 6 and the telescopic post 2, a fixing mechanism 9 matched with the insertion plate 4 is arranged at one side of the fixed frame 3, and a locking state of the installation mechanism 12 can be quickly released due to the matching of a screw cap 905 and a screw rod 904, stimulate movable ring 124 downwards afterwards, can drive fixture block 126 and break away from draw-in groove 125, remove the locking state to threaded sleeve 121, and rotate threaded sleeve 121, make threaded sleeve 121 move at the surperficial upwards of threaded rod 6 fast, remove the locking state of lead screw 904 and flexible post 2, take out picture peg 4 from fixed frame 3, and then dismantle cylinder 5 fast, the convenience is maintained alone cylinder 5, utilize external instrument and flexible post 2 butt joint simultaneously, make diaphragm pump body 1 can temporarily rework, when cylinder 5 damages, the convenience is in time carried out quick replacement to cylinder 5, the efficiency of diaphragm pump body 1 has been improved simultaneously.

Example two

Referring to fig. 1 to 4, the present invention provides a new technical solution: a mechanical control device of a diaphragm pump comprises a diaphragm pump body 1, wherein a fixed frame 3 is fixedly connected to the diaphragm pump body 1, an inserting plate 4 is inserted into the top of an inner cavity of the fixed frame 3, slide ways 7 are transversely arranged at the top of the front surface and the back surface of the inner cavity of the fixed frame 3, a slide plate 8 is arranged in the slide ways 7 in a sliding manner, one side, close to each other, of each slide plate 8 is fixedly connected with the front surface and the back surface of each inserting plate 4, the slide ways 7 and the slide plates 8 are designed to limit the inserting plates 4 and assist the inserting plates 4 to be rapidly detached, an air cylinder 5 is fixedly connected to the top of each inserting plate 4, a piston rod of each air cylinder 5 penetrates through each inserting plate 4 and is fixedly connected with a threaded rod 6, a telescopic column 2 matched with the diaphragm pump body 1 for use is arranged at the bottom end of each threaded rod 6, the telescopic column 2 is designed to directly connect with a diaphragm in the diaphragm pump body 1, and can be conveniently detached or replaced in time when the air cylinder 5 is damaged, the threaded rod 6 and the telescopic column 2 are provided with an installation mechanism 12 at one end close to each other, the installation mechanism 12 comprises a threaded sleeve 121, the inner ring of the threaded sleeve 121 is in threaded connection with the threaded rod 6, the telescopic column 2 is provided with an external thread matched with the threaded sleeve 121 for use, the telescopic column 2 is fixedly connected with a fixed ring 122, the telescopic column 2 is wound with a spring 123, the bottom end of the spring 123 is fixedly connected with the fixed ring 122, the top end of the spring 123 is fixedly connected with a movable ring 124, the inner ring of the movable ring 124 is in sliding connection with the surface of the telescopic column 2, sliding blocks 14 are fixedly connected around the inner cavity of the movable ring 124, sliding grooves 13 matched with the sliding blocks 14 for use are vertically arranged around the top of the surface of the telescopic column 2, the movable ring 124 can be limited in a sliding manner, the limiting effect on the threaded sleeve 121 is improved, the rotation of the threaded sleeve 121 can be effectively avoided, and the overall stability of the mechanical control device is improved, the top of the movable ring 124 is contacted with the bottom of the threaded sleeve 121, the bottom of the periphery of the threaded sleeve 121 is vertically provided with a clamping groove 125, a clamping block 126 is clamped in the clamping groove 125, the bottom of the clamping block 126 is fixedly connected with the top of the movable ring 124, one side of the fixed frame 3 is provided with a fixing mechanism 9 matched with the inserting plate 4 for use, the fixing mechanism 9 comprises a movable seat 901, the movable seat 901 is fixedly connected with the front surface and the back surface of one side of the inserting plate 4, one side of the movable seat 901 penetrates through the fixed frame 3 and is rotatably connected with a mounting plate 902 through a movable shaft, the front surface and the back surface of the top of one side of the fixed frame 3 are both fixedly connected with fixed blocks 903, the top of the right side of the mounting plate 902 is laminated with a rubber block 10, one side of the rubber block 10 is fixedly connected on the fixed frame 3, the rubber block 10 is positioned at the top of the fixed block 903, the rubber block 10 can assist in limiting the mounting plate 902, and further improves the stability of the mounting plate 902 after being mounted, one side of the fixing block 903 is fixedly connected with a screw rod 904, the bottom of one side of the mounting plate 902 is provided with a through groove, one end of the screw rod 904 penetrates through the through groove and is in threaded connection with a screw cap 905, the screw cap 905 is connected with an auxiliary bearing in a rotating mode, one side, close to each other, of the auxiliary bearing is fixedly connected with a connecting rod 11, the auxiliary bearing can rotate on the screw cap 905, the connecting rod 11 cannot rotate along with the rotation of the screw cap 905, meanwhile, the two groups of screw caps 905 can be synchronously limited by the connecting rod 11, one side of the screw cap 905 is attached to the mounting plate 902, the locking state of the mounting plate 902 can be rapidly released through the matching of the screw cap 905 and the screw rod 904, then, the movable ring 124 is pulled downwards, the fixture block 126 can be driven to be separated from the clamping groove 125, the locking state of the threaded sleeve 121 can be released, the threaded sleeve 121 can be rotated, and the threaded sleeve 121 can be rapidly rotated upwards on the surface of the threaded rod 6, remove the locking state of lead screw 904 and flexible post 2, take out picture peg 4 from fixed frame 3, and then dismantle cylinder 5 fast, conveniently maintain cylinder 5 alone, utilize external instrument and flexible post 2 butt joint simultaneously, make diaphragm pump body 1 can work again temporarily, when cylinder 5 damages, conveniently in time carry out quick replacement to cylinder 5 simultaneously, improved diaphragm pump body 1's efficiency simultaneously.

The working principle is as follows: when in use, the cylinder 5 drives the telescopic column 2 to move up and down continuously, so as to drive the diaphragm inside the diaphragm pump body 1 to move up and down continuously, so that the diaphragm pump body 1 can work normally, the design of the telescopic column 2 can directly connect the piston rod of the original cylinder 5 with the diaphragm inside the diaphragm pump body 1, the improvement is that the telescopic column 2 is directly connected with the diaphragm, when the cylinder 5 needs to be maintained or replaced, a user rotates the screw cap 905, the screw cap 905 is connected with the screw cap 905 by the screw thread of the screw rod 904 and the screw cap 905, the screw cap 905 is rotated and separated from the screw rod 904, the locking state of the mounting plate 902 is released, then the user pulls the movable ring 124 downwards, so as to drive the fixture block 126 to be separated from the inner cavity of the clamping groove 125, the locking state of the threaded sleeve 121 is released, meanwhile, the threaded sleeve 121 is rotated, the threaded sleeve 121 can be rapidly moved upwards on the surface of the threaded rod 6, and the locking state of the screw rod 904 and the telescopic column 2 is released, the user swings mounting panel 902 to the parallel state afterwards, stimulates picture peg 4, can take out picture peg 4 from fixed frame 3 in, and then dismantle cylinder 5 fast, maintain alone or change cylinder 5, the user utilizes external instrument can with flexible post 2 butt joint simultaneously, make diaphragm pump body 1 can work again temporarily, repair or change the completion until cylinder 5, improved mechanical control device's work efficiency, improved diaphragm pump body 1's efficiency simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a mechanical control device of diaphragm pump, includes diaphragm pump body (1), its characterized in that, the fixed frame of fixedly connected with (3) is gone up in diaphragm pump body (1), the top of fixed frame (3) inner chamber is inserted and is equipped with picture peg (4), top fixedly connected with cylinder (5) of picture peg (4), the piston rod of cylinder (5) runs through picture peg (4) and fixedly connected with threaded rod (6), the bottom of threaded rod (6) is provided with flexible post (2) of using with diaphragm pump body (1) cooperation, the one end that threaded rod (6) and flexible post (2) are close to each other is provided with installation mechanism (12), one side of fixed frame (3) is provided with fixed establishment (9) of using with picture peg (4) cooperation.

2. The mechanical control device of the diaphragm pump according to claim 1, wherein the fixing mechanism (9) comprises a movable seat (901), the movable seat (901) is fixedly connected to the front and the back of one side of the inserting plate (4), one side of the movable seat (901) penetrates through the fixing frame (3) and is rotatably connected with a mounting plate (902) through a movable shaft, the front and the back of the top of one side of the fixing frame (3) are both fixedly connected with a fixing block (903), one side of the fixing block (903) is fixedly connected with a screw rod (904), the bottom of one side of the mounting plate (902) is provided with a through groove, one end of the screw rod (904) penetrates through the through groove and is in threaded connection with a screw cap (905), and one side of the screw cap (905) is attached to the mounting plate (902).

3. The mechanical control device of the diaphragm pump according to claim 1, wherein the mounting mechanism (12) comprises a threaded sleeve (121), an inner ring of the threaded sleeve (121) is in threaded connection with the threaded rod (6), an external thread used in cooperation with the threaded sleeve (121) is arranged on the telescopic column (2), a fixing ring (122) is fixedly connected to the telescopic column (2), a spring (123) is wound on the telescopic column (2), the bottom end of the spring (123) is fixedly connected to the fixing ring (122), a movable ring (124) is fixedly connected to the top end of the spring (123), the inner ring of the movable ring (124) is in surface sliding connection with the telescopic column (2), the top of the movable ring (124) is in contact with the bottom of the threaded sleeve (121), and clamping grooves (125) are vertically formed in the bottoms of the periphery of the threaded sleeve (121), a clamping block (126) is clamped in the clamping groove (125), and the bottom of the clamping block (126) is fixedly connected with the top of the movable ring (124).

4. The mechanical control device of the diaphragm pump according to claim 3, wherein sliding blocks (14) are fixedly connected to the periphery of the inner cavity of the movable ring (124), and sliding grooves (13) matched with the sliding blocks (14) are vertically formed in the periphery of the top of the surface of the telescopic column (2).

5. The mechanical control device of the diaphragm pump according to claim 1, wherein the top of the front and back of the inner cavity of the fixing frame (3) is transversely provided with a slide way (7), the slide way (7) is internally provided with a slide plate (8) in a sliding manner, and one side of the slide plate (8) close to each other is fixedly connected with the front and back of the inserting plate (4).

6. The mechanical control device of a diaphragm pump according to claim 2, wherein an auxiliary bearing is rotatably connected to the screw cap (905), and a connecting rod (11) is fixedly connected to the side where the auxiliary bearings are close to each other.

7. The mechanical control device of a diaphragm pump according to claim 2, characterized in that a rubber block (10) is attached to the top of the right side of the mounting plate (902), one side of the rubber block (10) is fixedly connected to the fixed frame (3), and the rubber block (10) is located on the top of the fixed block (903).