CN222376668U

CN222376668U - Pneumatic diaphragm pump with rear-mounted air valve

Info

Publication number: CN222376668U
Application number: CN202421321886.5U
Authority: CN
Inventors: 林龙琛
Original assignee: Xiamen Jinnatural Environmental Protection Technology Co ltd
Current assignee: Xiamen Jinnatural Environmental Protection Technology Co ltd
Priority date: 2024-06-11
Filing date: 2024-06-11
Publication date: 2025-01-21
Anticipated expiration: 2034-06-11

Abstract

The utility model discloses a pneumatic diaphragm pump with a rear-mounted air valve, which comprises a pneumatic diaphragm pump main body, wherein a connecting pipe is fixedly arranged at the rear end of the pneumatic diaphragm pump main body, the connecting pipe is provided with an air valve, a hand wheel is arranged on the air valve, a circular hole is formed in the upper end surface of the hand wheel, a plug pin is slidably arranged in the circular hole, a slot is formed in the upper end surface of the air valve, a plurality of slots are circumferentially arranged, the lower end of the plug pin is positioned in the slot, a lifting block is fixedly arranged at the upper end of the plug pin, and a spring is fixedly arranged between the lifting block and the hand wheel, so that a user can control the flow in the air valve through the hand wheel, and then the spring can jack the plug pin into the slot to position the hand wheel, thereby preventing the hand wheel from rotating during operation of the pneumatic diaphragm pump main body and affecting the regulation and control precision.

Description

Pneumatic diaphragm pump with rear-mounted air valve

Technical Field

The utility model relates to the technical field of pneumatic diaphragm pumps, in particular to a pneumatic diaphragm pump with a rear-mounted air valve.

Background

The pneumatic diaphragm pump is a pump driven by air pressure and is mainly used for conveying various mediums such as liquid, slurry, paste and the like. The working principle of the air valve is that the air pressure is controlled to change through an air motor or an air valve, so that a diaphragm in a pump body reciprocates, thereby realizing the suction and discharge of liquid, and the air valve is characterized in that the air valve is arranged at the rear part of the pump, but the air valve cannot be kept stable after the air valve is adjusted due to the vibration of the air valve diaphragm pump, so that the problem of loosening still occurs after the air valve is adjusted, and the flow cannot be controlled normally; and the diaphragm pump is fixed through the bolt when the installation, leads to still need to be with the help of the instrument when dismantling, and installation and dismantlement are comparatively troublesome.

Disclosure of utility model

(One) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a pneumatic diaphragm pump with a rear-mounted air valve, which aims to solve the technical problems that the air valve in the background art cannot be kept stable due to vibration of the pneumatic diaphragm pump after adjustment, and the air valve still can loose after adjustment, so that the flow cannot be controlled normally.

(II) technical scheme

The pneumatic diaphragm pump with the rear-mounted air valve comprises a pneumatic diaphragm pump main body, wherein a connecting pipe is fixedly arranged at the rear end of the pneumatic diaphragm pump main body, the connecting pipe is provided with the air valve, the air valve is provided with a hand wheel, the upper end face of the hand wheel is provided with a circular hole, the inside of the circular hole is slidably provided with a bolt, the upper end face of the air valve is provided with a slot, the slots are provided with a plurality of slots which are arranged in a circumferential manner, the lower end of the bolt is positioned in the slot, the upper end of the bolt is fixedly provided with a lifting block, a spring is fixedly arranged between the lifting block and the hand wheel, the lower end face of the pneumatic diaphragm pump main body is fixedly provided with a connecting block at the middle position, and the connecting block is provided with a positioning hole.

The pneumatic diaphragm pump is characterized in that the lower end of the pneumatic diaphragm pump main body is provided with a base, the upper end face of the base is provided with sliding holes on two sides, sliding blocks are arranged in the sliding holes in a sliding mode, the upper end faces of the sliding blocks are fixedly provided with moving blocks, and positioning rods are fixedly arranged on the inner walls of the moving blocks and located in the positioning holes, so that the pneumatic diaphragm pump main body and the base can be fixedly installed.

The utility model is further characterized in that the inside of the sliding hole is provided with a screw in a rotating way, the screw is in threaded connection with the sliding block, two side surfaces of the base are fixedly provided with motors, and the motors are fixedly connected with the screw, so that the distance between the sliding blocks can be conveniently adjusted.

The utility model is further arranged that square cylinders are fixedly arranged on the outer wall of the base and positioned at four corners, electric push rods are fixedly arranged on the upper end faces of the square cylinders, and the output ends of the electric push rods penetrate through the square cylinders and are provided with lifting blocks so as to facilitate the movement of the lifting blocks.

The lifting block is further arranged in a sliding mode with the square cylinder, the mounting frames are fixedly arranged on the lower end faces of the lifting block, and wheels are rotatably arranged in the mounting frames, so that the device can be conveniently moved.

The pneumatic diaphragm pump is characterized in that the upper end face of the base is fixedly provided with the rubber cushion blocks which are positioned at four corners, and the upper end face of the rubber cushion blocks is contacted with the lower end face of the pneumatic diaphragm pump body so as to support the pneumatic diaphragm pump body conveniently.

The utility model is further characterized in that guide blocks are fixedly arranged on two side surfaces of the sliding block, guide grooves are correspondingly formed in the inner wall of the sliding hole, and the guide blocks and the guide grooves are slidably arranged so as to guide the sliding block conveniently.

The utility model is further arranged that the anti-slip pads are fixedly arranged on the lower end face of the base and positioned on the four corners, so that the friction between the base and the ground is increased conveniently, and the lower end face of the base is protected.

(III) beneficial effects

Compared with the prior art, the utility model provides the pneumatic diaphragm pump with the rear-mounted air valve, which has the following beneficial effects:

1. Through setting up pneumatic diaphragm pump main part, connecting pipe, pneumatic valve, hand wheel, circular hole, bolt, slot, carry and draw piece and spring to the user can come the flow to the pneumatic valve inside through the hand wheel and control, and then the spring just can jack into the slot with the bolt in the middle of, with the hand wheel location, prevent that pneumatic diaphragm pump main part from appearing rotating at during operation hand wheel, influence regulation and control precision.

2. Through setting up connecting block, locating hole, base, sliding hole, sliding block, movable block, locating lever, lead screw and motor to the user can make the lead screw rotate through control motor, so that lead screw drive sliding block and movable block remove, and then make the locating lever enter into the middle of the locating hole, in order to carry out fixed mounting to pneumatic diaphragm pump main part and base, facilitate the use.

3. Through setting up square section of thick bamboo, electric putter, lifter, mounting bracket and wheel to the user can make its output drive lifter and wheel downwardly moving through controlling electric putter, with making wheel and ground contact, conveniently adjust the position of pneumatic diaphragm pump main part.

Drawings

FIG. 1 is a schematic view of a pneumatic diaphragm pump with a rear-mounted air valve in an unused state;

FIG. 2 is an exploded view of the installation of a circular hole, latch, spring and pull block on the hand wheel;

FIG. 3 is a schematic view of the installation of the sliding holes, sliding blocks, moving blocks, positioning rods, lead screws and motors on the base;

FIG. 4 is a schematic view of the positions of the moving block, the positioning rod and the guide block on the sliding block;

FIG. 5 is a schematic illustration of the location of the connection blocks and locating holes on the pneumatic diaphragm pump body;

FIG. 6 is a schematic view of the installation of the electric push rod, lifting block, mounting bracket and wheels;

FIG. 7 is a schematic view of the positions of the sliding holes and the anti-skid pads on the base.

The pneumatic diaphragm pump comprises a pneumatic diaphragm pump main body, a connecting pipe, a pneumatic valve, a hand wheel, a 5, a round hole, a 6, a bolt, a7, a slot, a 8, a lifting block, a9, a spring, a 10, a connecting block, a 11, a positioning hole, a 12, a base, a 13, a sliding hole, a 14, a sliding block, a 15, a moving block, a 16, a positioning rod, a 17, a screw rod, a 18, a motor, a 19, a square cylinder, a 20, an electric push rod, a 21, a lifting block, a 22, a mounting frame, a 23, a wheel, a 24, a rubber cushion block, a 25, a guide block, a 26, a guide groove and a 27 and an anti-skid pad.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally in the directions shown in the drawings or in the vertical, vertical or gravitational directions, and similarly, for convenience of understanding and description, the terms "left" and "right" are used generally in the directions shown in the drawings, and the terms "inner" and "outer" are used to refer to the inner and outer sides with respect to the outline of each component itself, but the terms of orientation are not intended to limit the present utility model.

Referring to fig. 1-7, an air valve rear-mounted pneumatic diaphragm pump comprises a pneumatic diaphragm pump main body 1, a connecting pipe 2 is fixedly arranged at the rear end of the pneumatic diaphragm pump main body 1, an air valve 3 is arranged on the connecting pipe 2, a hand wheel 4 is arranged on the air valve 3, a circular hole 5 is formed in the upper end face of the hand wheel 4, a bolt 6 is slidably arranged in the circular hole 5, a slot 7 is formed in the upper end face of the air valve 3, a plurality of slots 7 are circumferentially arranged, the lower end of the bolt 6 is located in the slot 7, a lifting block 8 is fixedly arranged at the upper end of the bolt 6, a spring 9 is fixedly arranged between the lifting block 8 and the hand wheel 4, a connecting block 10 is fixedly arranged at the middle position of the lower end face of the pneumatic diaphragm pump main body 1, and a positioning hole 11 is formed in the connecting block 10.

In this embodiment, the lower extreme of pneumatic diaphragm pump main part 1 is equipped with base 12, the up end of base 12 just is located both sides and has all been seted up slide hole 13, slide hole 13's inside all slides and is equipped with slider 14, slider 14's up end is all fixed and is equipped with movable block 15, all be fixed on the inner wall of movable block 15 and be equipped with locating lever 16, locating lever 16 is located the inside of locating hole 11, slider 13's inside is all rotated and is equipped with lead screw 17, lead screw 17 and slider 14 threaded connection, motor 18 all is fixed with in both sides face of base 12, motor 18 and lead screw 17 fixed connection, slider 14's both sides face is all fixed and is equipped with guide block 25, guide slot 26 has been seted up correspondingly on the inner wall of slide hole 13, guide block 25 and guide slot 26 slidable mounting.

More specifically, the user can rotate the hand wheel 4 through pulling the lifting block 8 to control the flow in the air valve 3, then the spring 9 can jack the bolt 6 into the slot 7 to position the hand wheel 4, prevent that the pneumatic diaphragm pump main body 1 from rotating in the hand wheel 4 during operation, influence the regulation and control precision, when the pneumatic diaphragm pump main body 1 needs to be dismantled, can make the lead screw 17 rotate through the control motor 18, so that the lead screw 17 drives the sliding block 14 and the moving block 15 to move, and then make the locating lever 16 break away from the locating hole 11, facilitating the use.

Referring to fig. 1 and 6, as an embodiment for moving the device, square cylinders 19 are fixedly arranged on the outer wall of a base 12 and positioned at four corners, electric push rods 20 are fixedly arranged on the upper end faces of the square cylinders 19, the output ends of the electric push rods 20 penetrate through the square cylinders 19 and are provided with lifting blocks 21, the lifting blocks 21 are slidably mounted with the square cylinders 19, mounting frames 22 are fixedly arranged on the lower end faces of the lifting blocks 21, and wheels 23 are rotatably arranged in the mounting frames 22.

Specifically, the user can control the electric push rod 20 to make the output end of the electric push rod drive the wheels 23 to move downwards so as to make the electric push rod contact with the ground, and the position of the pneumatic diaphragm pump main body 1 is convenient to adjust.

Referring to fig. 1 and 7, as a further embodiment for supporting the air-operated diaphragm pump body 1, rubber pads 24 are fixedly arranged on the upper end face of the base 12 and located at four corners, the upper end face of the rubber pads 24 is in contact with the lower end face of the air-operated diaphragm pump body 1, and anti-slip pads 27 are fixedly arranged on the lower end face of the base 12 and located at four corners.

Specifically, the rubber cushion block 24 is arranged to support the lower end of the pneumatic diaphragm pump main body 1, and meanwhile, vibration emitted by the pneumatic diaphragm pump main body 1 can be buffered, so that the pneumatic diaphragm pump is convenient to use.

In summary, when the whole device is used, when the air valve 3 needs to be adjusted, the lifting block 8 can be pulled to enable the plug pin 6 to be separated from the slot 7, then the hand wheel 4 is rotated to control the flow in the air valve 3, then the lifting block 8 is released, the spring 9 pushes the plug pin 6 into the slot 7 at the moment to position the hand wheel 4, the pneumatic diaphragm pump main body 1 is prevented from rotating during operation, the adjusting precision is prevented from being influenced, when the pneumatic diaphragm pump main body 1 needs to be disassembled, the motor 18 is controlled to enable the lead screw 17 to rotate, the lead screw 17 drives the sliding block 14 and the moving block 15 to move, the positioning rod 16 is separated from the positioning hole 11, the disassembly is convenient, when the position of the pneumatic diaphragm pump main body 1 needs to be adjusted, the electric push rod 20 is controlled to enable the output end of the lifting block 21 and the wheel 23 to move downwards, the wheel 23 is enabled to be in contact with the ground, and the position of the pneumatic diaphragm pump main body 1 is convenient to adjust.

When the air valve 3 needs to be adjusted, the plug pin 6 can be separated from the slot 7 by pulling the lifting block 8, then the hand wheel 4 is rotated to control the flow in the air valve 3, and then the plug pin 6 can be jacked into the slot 7 by loosening the lifting block 8, so that the hand wheel 4 is positioned, and the hand wheel 4 is prevented from rotating during operation of the pneumatic diaphragm pump main body 1, so that the regulation and control precision is affected.

When the pneumatic diaphragm pump main body 1 needs to be disassembled, the motor 18 can be controlled to rotate the screw rod 17, so that the screw rod 17 drives the sliding block 14 and the moving block 15 to move, and the positioning rod 16 is separated from the positioning hole 11, so that the pneumatic diaphragm pump is convenient to disassemble.

When the position of the pneumatic diaphragm pump main body 1 needs to be adjusted, the output end of the electric push rod 20 can be controlled to drive the lifting block 21 and the wheels 23 to move downwards, so that the wheels 23 are in contact with the ground, and the position of the pneumatic diaphragm pump main body 1 is convenient to adjust.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The pneumatic diaphragm pump with the rear-mounted air valve comprises a pneumatic diaphragm pump main body (1) and is characterized in that a connecting pipe (2) is fixedly arranged at the rear end of the pneumatic diaphragm pump main body (1), an air valve (3) is arranged on the connecting pipe (2), a hand wheel (4) is arranged on the air valve (3), a circular hole (5) is formed in the upper end face of the hand wheel (4), a plug pin (6) is slidably arranged in the circular hole (5), slots (7) are formed in the upper end face of the air valve (3), a plurality of slots (7) are arranged in a circumferential mode, the lower ends of the plug pins (6) are located in the slots (7), a lifting block (8) is fixedly arranged at the upper end of the plug pins (6), a spring (9) is fixedly arranged between the lifting block (8) and the hand wheel (4), a connecting block (10) is fixedly arranged on the lower end face of the pneumatic diaphragm pump main body (1) and located in the middle, and a positioning hole (11) is formed in the connecting block (10).

2. The pneumatic diaphragm pump with the rear-mounted air valve according to claim 1, wherein the lower end of the pneumatic diaphragm pump body (1) is provided with a base (12), sliding holes (13) are formed in the upper end face of the base (12) and located on two sides, sliding blocks (14) are arranged in the sliding holes (13) in a sliding mode, moving blocks (15) are fixedly arranged on the upper end face of the sliding blocks (14), positioning rods (16) are fixedly arranged on the inner walls of the moving blocks (15), and the positioning rods (16) are located in the positioning holes (11).

3. The pneumatic diaphragm pump with the rear-mounted air valve according to claim 2, wherein the inside of the sliding hole (13) is provided with a screw rod (17) in a rotating mode, the screw rod (17) is in threaded connection with the sliding block (14), two side faces of the base (12) are fixedly provided with motors (18), and the motors (18) are fixedly connected with the screw rod (17).

4. The pneumatic diaphragm pump with the rear-mounted air valve according to claim 2, wherein square cylinders (19) are fixedly arranged on the outer wall of the base (12) and positioned on four corners, electric push rods (20) are fixedly arranged on the upper end faces of the square cylinders (19), and output ends of the electric push rods (20) penetrate through the square cylinders (19) and are provided with lifting blocks (21).

5. The pneumatic diaphragm pump with the rear-mounted air valve according to claim 4, wherein the lifting block (21) and the square cylinder (19) are slidably mounted, mounting frames (22) are fixedly arranged on the lower end faces of the lifting block (21), and wheels (23) are rotatably arranged in the mounting frames (22).

6. The pneumatic diaphragm pump with the rear-mounted air valve according to claim 2, wherein the upper end face of the base (12) is fixedly provided with rubber cushion blocks (24) at four corners, and the upper end face of the rubber cushion blocks (24) is in contact with the lower end face of the pneumatic diaphragm pump main body (1).

7. The pneumatic diaphragm pump with the rear-mounted air valve according to claim 2, wherein guide blocks (25) are fixedly arranged on two side surfaces of the sliding block (14), guide grooves (26) are correspondingly formed in the inner wall of the sliding hole (13), and the guide blocks (25) and the guide grooves (26) are slidably mounted.

8. The pneumatic diaphragm pump with the rear-mounted air valve according to claim 2, wherein the anti-slip pads (27) are fixedly arranged on the lower end face of the base (12) and positioned on four corners.