CN218030530U

CN218030530U - Diaphragm pump

Info

Publication number: CN218030530U
Application number: CN202222380816.4U
Authority: CN
Inventors: 赵虎
Original assignee: Taizhou Spey Demirel Plant Protection Machinery Co ltd
Current assignee: Taizhou Spey Demirel Plant Protection Machinery Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-13
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a pneumatic diaphragm pump technical field specifically is a diaphragm pump, including the brushless motor shell, the below of brushless motor shell is provided with the fixed bolster, the diaphragm case is installed to one side of fixed bolster, the feed inlet has been seted up to one side of diaphragm case, the discharge gate has been seted up to the other end of diaphragm case, the other end of diaphragm case is connected with the central body, the air inlet has been seted up to the side of central body, and the action wheel, it is installed the surface of diaphragm case is kept away from to the central body. This high flow control diaphragm pump compares with prior art and can pass through the twist grip to drive the action wheel and rotate, and then make the screw thread twist to move the head and rotate, thereby can let screw thread gas cock remove, adjust the circumstances of admitting air of central body with this, because the diameter of action wheel is greater than the screw thread and twists the head, consequently can utilize the initiative wheel to finely tune the circumstances of admitting air of central body, thereby realize the flow of accurate control diaphragm pump.

Description

Diaphragm pump

Technical Field

The utility model relates to a pneumatic diaphragm pump technical field specifically is a diaphragm pump.

Background

The flow of the pneumatic diaphragm pump is closely related to the pressure of an air source and the opening degree of a valve on an outlet pipeline of the pump, when other conditions are not changed, the larger the pressure of the air source is, the larger the discharge flow of the pump is, when the pressure of the air source is fixed, the smaller the opening degree of an outlet valve of the pump is, the smaller the discharge flow of the pump is, the pressure of the air source entering the diaphragm pump is controlled by a pressure regulating valve arranged on the air source pipeline of the diaphragm pump, and a pressure regulating valve needs to be additionally arranged on an air supply pipeline of each diaphragm pump.

The existing pneumatic diaphragm pump can use a pressure regulating valve to control an air source entering the diaphragm pump, and the diaphragm pump is far away from the installation position of the pressure regulating valve, so that the operation is inconvenient, and therefore, the high-flow-control diaphragm pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diaphragm pump to propose in solving above-mentioned background art because current pneumatic diaphragm pump, can use pressure regulating valve control to get into the air supply of diaphragm pump, because the diaphragm pump is kept away from to pressure regulating valve mounted position, lead to the problem of the inconvenient pressure of operation.

In order to achieve the above purpose, the utility model provides a following technical scheme: a diaphragm pump, comprising:

the brushless motor comprises a brushless motor shell, wherein a fixed support is arranged below the brushless motor shell, a diaphragm box is arranged on one side of the fixed support, a feeding hole is formed in one side of the diaphragm box, a discharging hole is formed in the other end of the diaphragm box, the other end of the diaphragm box is connected with a central body, and an air inlet is formed in the side surface of the central body;

the diaphragm case is kept away from to the central body, the outside cover of action wheel is equipped with the friction cover, the surface mounting of action wheel has the handle, one side of action wheel is installed the screw thread and is twisted the head, the screw thread is twisted the surface of moving the head and is provided with the pointer, the outside of pointer is provided with gear suggestion icon, the fixed plate is installed to the opposite side of action wheel, be provided with the fixed head between fixed plate and the action wheel, be connected with between fixed head and the fixed plate and be connected the spring post, the post is worn to be equipped with to twist in the inside of fixed plate.

Preferably, the air inlet is further provided with:

and the air inlet cavity is connected to the other end of the air inlet, one end of the air inlet cavity is provided with a threaded air cock, and one end of the threaded air cock is provided with a sealing gasket.

Preferably, the threaded gas cock is in threaded connection with the central body, and the sealing gasket is fixedly connected with the threaded gas cock.

Preferably, the screwing column is in threaded connection with the fixing plate, and the central body is fixedly connected with the fixing plate.

Preferably, the driving wheel is rotatably connected with the central body, and the driving wheel is meshed with the threaded screwing head.

Preferably, the friction sleeve is fixedly connected with the driving wheel, and the handle is fixedly connected with the driving wheel.

Preferably, be fixed connection between fixed bolster and the brushless motor casing, and communicate each other between brushless motor casing and the diaphragm case.

Compared with the prior art, the utility model provides a diaphragm pump possesses following beneficial effect: this high flow control diaphragm pump can be through the twist grip to drive the action wheel and rotate, and then make the screw thread twist to move the head and rotate, thereby can let screw thread gas cock remove, adjust the circumstances of admitting air of central body with this, because the diameter of action wheel is greater than the screw thread and twists and move the head, consequently can utilize the initiative wheel to finely tune the circumstances of admitting air of central body, thereby realize the flow of accurate control diaphragm pump.

1. The pointer arranged by the utility model can know the position condition of the threaded gas cock through the matching of the pointer and the gear prompt icon, thereby mastering the actual gear of the current diaphragm pump;

2. the fixing head arranged in the utility model can push the fixing head to approach the driving wheel by twisting the twisting column, thereby fixing the position of the driving wheel, and further preventing the driving wheel from rotating because of the vibration of the diaphragm pump in the actual work, thereby ensuring that the adjusted position can not change;

3. the utility model discloses the air inlet that sets up, the flow of pneumatic diaphragm pump is closely relevant with the pressure of air supply, when the head is twisted to clockwise rotation screw thread, screw thread air cock can insert the air inlet slowly, make the air supply passageway in the chamber of admitting air slowly narrow down, reduce the flow that the air supply got into diaphragm pump air chamber, reduce diaphragm reciprocating motion's frequency, thereby realize reducing the purpose of diaphragm pump discharge flow, on the contrary, when the head is twisted to anticlockwise rotation screw thread, screw thread air cock can leave the air inlet slowly, the air supply passageway in the chamber of admitting air slowly enlarges, it gets into the flow of diaphragm pump air chamber to strengthen the air supply, thereby realize the purpose of increase diaphragm pump discharge flow.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a rear view structure diagram of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic sectional view of the central body of the present invention.

In the figure: 1. a brushless motor housing; 2. a diaphragm case; 3. a feed inlet; 4. a central body; 5. an air inlet; 6. a discharge port; 7. a fixed bracket; 8. screwing the column; 9. a fixing plate; 10. connecting a spring post; 11. a fixed head; 12. a friction sleeve; 13. a driving wheel; 14. a handle; 15. screwing the head by screw thread; 16. a pointer; 17. a gear prompt icon; 18. a threaded gas cock; 19. an air inlet cavity; 20. and a gasket.

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 work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a diaphragm pump includes: the brushless motor comprises a brushless motor shell 1, wherein a fixed support 7 is arranged below the brushless motor shell 1, a diaphragm box 2 is installed on one side of the fixed support 7, a feeding hole 3 is formed in one side of the diaphragm box 2, a discharging hole 6 is formed in the other end of the diaphragm box 2, the other end of the diaphragm box 2 is connected with a central body 4, an air inlet 5 is formed in the side surface of the central body 4, the fixed support 7 is fixedly connected with the brushless motor shell 1, and the brushless motor shell 1 is communicated with the diaphragm box 2; the driving wheel 13 is arranged on the surface of the central body 4 far away from the diaphragm box 2, the outer side of the driving wheel 13 is sleeved with the friction sleeve 12, the surface of the driving wheel 13 is provided with the handle 14, the friction sleeve 12 is fixedly connected with the driving wheel 13, and the handle 14 is fixedly connected with the driving wheel 13; a thread screwing head 15 is arranged at one side of the driving wheel 13, the driving wheel 13 is rotationally connected with the central body 4, and the driving wheel 13 is meshed with the thread screwing head 15; the handle 14 can be rotated to drive the driving wheel 13 to rotate, so that the thread screwing head 15 can be rotated to adjust the air inlet condition of the central body 4, and the diameter of the driving wheel 13 is larger than that of the thread screwing head 15, so that the air inlet condition of the central body 4 can be finely adjusted by using the driving wheel 13, and the flow of the diaphragm pump can be precisely controlled; the surface of the thread screwing head 15 is provided with a pointer 16, the outer side of the pointer 16 is provided with a gear prompt icon 17, and the air intake condition of the central body 4 can be known through the matching of the pointer 16 and the gear prompt icon 17, so that the actual gear of the existing diaphragm pump can be mastered; fixed plate 9 is installed to the opposite side of action wheel 13, be provided with fixed head 11 between fixed plate 9 and the action wheel 13, be connected with connecting spring post 10 between fixed head 11 and the fixed plate 9, it moves post 8 to wear to be equipped with to twist in the inside of fixed plate 9, twist and move for threaded connection between post 8 and the fixed plate 9, and be fixed connection between centrum 4 and the fixed plate 9, it can promote fixed head 11 and be close to action wheel 13 to move post 8 through twisting to move, thereby can fix the position of action wheel 13, and then prevent that action wheel 13 from rotating because the diaphragm pump vibrates in the work of reality, thereby guarantee that the position of adjusting can not change.

As shown in fig. 2 to 4, a high flow control diaphragm pump includes: the air inlet cavity 19 is connected to the other end of the air inlet 5, a threaded air cock 18 is arranged at one end of the air inlet cavity 19, a sealing gasket 20 is arranged at one end of the threaded air cock 18, the threaded air cock 18 is in threaded connection with the central body 4, the sealing gasket 20 is fixedly connected with the threaded air cock 18, the flow rate of the pneumatic diaphragm pump is closely related to the pressure of an air source, when the threaded screwing head 15 is rotated clockwise, the threaded air cock 18 can be slowly inserted into the air inlet 5, so that the air source channel of the air inlet cavity 19 is slowly narrowed, the flow rate of the air source entering the air chamber of the diaphragm pump is reduced, and the reciprocating motion frequency of the diaphragm is reduced, so that the purpose of reducing the flow rate of the diaphragm pump is achieved; on the contrary, when the screw thread screwing head 15 is rotated anticlockwise, the screw thread air cock 18 can slowly leave the air inlet 5, the air source channel of the air inlet cavity 19 is slowly enlarged, and the flow rate of the air source entering the diaphragm pump air chamber is increased, so that the aim of increasing the discharge flow rate of the diaphragm pump is fulfilled.

The working principle is as follows: when the high-flow control diaphragm pump is used, firstly, the diaphragm pump can be fixed in a preset working place by using the fixing support 7, then a pipeline is connected with the feed inlet 3 and the discharge outlet 6, and then the brushless motor in the brushless motor shell 1 is started, so that the diaphragm box 2 can be driven to start working; then, the handle 14 is rotated to drive the driving wheel 13 to rotate, so as to drive the screw thread screwing head 15 to rotate, the friction sleeve 12 can increase the friction force between the driving wheel 13 and the screw thread screwing head 15, so that the screw thread air cock 18 can move, and the air inlet condition of the central body 4 can be adjusted; then, the screw thread screwing head 15 is rotated clockwise, the screw thread air cock 18 is slowly inserted into the air inlet 5, so that an air source channel of the air inlet cavity 19 is slowly narrowed, the flow rate of an air source entering a diaphragm pump air chamber is reduced, the reciprocating motion frequency of a diaphragm is reduced, and the flow rate discharged by the diaphragm pump is reduced, otherwise, when the screw thread screwing head 15 is rotated counterclockwise, the air source channel of the air inlet cavity 19 is enlarged, the flow rate discharged by the diaphragm pump is increased, and the sealing gasket 20 can completely seal the air inlet cavity 19; finally, through the cooperation of pointer 16 and gear suggestion icon 17, can grasp the actual gear that present diaphragm pump was located, rotate and twist post 8 and can promote fixed head 11 and be close to action wheel 13, utilize frictional force to fix the position of action wheel 13, and then prevent action wheel 13 and rotate because the diaphragm pump vibration, connecting spring post 10 can connect fixed head 11 and fixed plate 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A diaphragm pump, comprising:

the device comprises a brushless motor casing (1), wherein a fixed support (7) is arranged below the brushless motor casing (1), a diaphragm box (2) is installed on one side of the fixed support (7), a feed inlet (3) is formed in one side of the diaphragm box (2), a discharge outlet (6) is formed in the other end of the diaphragm box (2), the other end of the diaphragm box (2) is connected with a central body (4), and an air inlet (5) is formed in the side surface of the central body (4);

action wheel (13), it installs the surface of diaphragm case (2) is kept away from in central body (4), the outside cover of action wheel (13) is equipped with friction cover (12), the surface mounting of action wheel (13) has handle (14), one side of action wheel (13) is installed the screw thread and is twisted and move head (15), the screw thread is twisted and is moved the surface of head (15) and be provided with pointer (16), the outside of pointer (16) is provided with gear suggestion icon (17), fixed plate (9) are installed to the opposite side of action wheel (13), be provided with fixed head (11) between fixed plate (9) and action wheel (13), be connected with between fixed head (11) and fixed plate (9) and be connected spring post (10), the inside of fixed plate (9) is worn to be equipped with and is twisted and is moved post (8).

2. A membrane pump according to claim 1, characterized in that the inlet (5) is further provided with:

and the air inlet cavity (19) is connected to the other end of the air inlet (5), one end of the air inlet cavity (19) is provided with a threaded air cock (18), and one end of the threaded air cock (18) is provided with a sealing gasket (20).

3. A membrane pump according to claim 2, characterized in that the threaded gas tap (18) is in threaded connection with the central body (4) and that the sealing gasket (20) is in fixed connection with the threaded gas tap (18).

4. A membrane pump according to claim 1, characterized in that the screwing column (8) is in threaded connection with the fixed plate (9) and in that the central body (4) is in fixed connection with the fixed plate (9).

5. A membrane pump according to claim 1, characterized in that the driving wheel (13) is in rotational connection with the central body (4) and in that the driving wheel (13) is in engagement with the screwing head (15).

6. A membrane pump according to claim 1, characterized in that the friction sleeve (12) is fixedly connected to the driving wheel (13), and the handle (14) is fixedly connected to the driving wheel (13).

7. A membrane pump according to claim 1, characterized in that the fixed bracket (7) is fixedly connected to the brushless motor housing (1), and the brushless motor housing (1) is in communication with the membrane tank (2).