CN212536018U

CN212536018U - Diaphragm pump with pressure regulating and one-way reverse osmosis function

Info

Publication number: CN212536018U
Application number: CN202021980428.4U
Authority: CN
Inventors: 李勉
Original assignee: Ningbo Aceboom Electric Motor Co ltd
Current assignee: Ningbo Aceboom Electric Motor Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-02-12
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a diaphragm pump with pressure regulating and one-way reverse osmosis function, which comprises a pump body, first end cover and support frame, the inside eccentric balance that is equipped with of support frame, the driving motor output shaft runs through first end cover and extends to inside and eccentric balance fixed connection of support frame, the integrated diaphragm body in eccentric balance top and the piston piece that is used for driving the motion of the diaphragm body, the integrated check valve and the discharge check valve of inhaling in piston piece top, it is equipped with the diaphragm chamber through the installing support to inhale check valve and discharge check valve top, diaphragm chamber bottom links to each other with inhaling the check valve through hollow connecting rod, installing support top is equipped with O type circle, the support frame top is equipped with the fluid chamber through the second support frame, the inside pressure regulating device that is equipped with of fluid chamber, pump body bottom is equipped with the second end cover, this buckle in second end cover. The utility model discloses compact structure, small, the dismouting of being convenient for to can control fluid flow regulation internal pressure in diaphragm pump work.

Description

Diaphragm pump with pressure regulating and one-way reverse osmosis function

Technical Field

The utility model relates to a diaphragm pump technical field, especially a diaphragm pump with pressure regulating and one-way reverse osmosis function.

Background

Diaphragm pumps are a more particular form of positive displacement pump. It relies on the back and forth movement of a diaphragm to vary the volume of the working chamber to suck and expel fluid. Along with the development and the progress of science and technology, the diaphragm pump has made breakthrough development in the material, and present diaphragm pump wide application in trades such as chemical industry, environmental protection, metallurgy, pharmacy, the characteristics need not irritate the diversion, and self-priming ability is strong, can directly will be separated by transport medium and transmission machinery, effectively prevents the medium outwards to leak, and the pump body itself does not have the axle liquid seal, and life prolongs greatly, has the irreplaceable status of other pumps. However, the existing diaphragm pump does not have the functions of pressurization, pressure regulation and one-way reverse osmosis, the problem of outlet pressure of the diaphragm pump cannot be solved in practical application, and when the pressure difference between an inlet and an outlet is too large, the normal operation of the diaphragm pump is influenced, and the damage of the diaphragm pump is very easily caused. Therefore, the diaphragm pump with the pressure regulating and one-way reverse osmosis functions is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem to the current situation of above-mentioned prior art, and provide a diaphragm pump with pressure regulating and one-way reverse osmosis function, this diaphragm pump is small, the dismouting of being convenient for to can effectively solve diaphragm pump outlet pressure problem through the regulator.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a diaphragm pump with pressure regulating and one-way reverse osmosis functions comprises a pump body, wherein a driving motor is arranged in the pump body, a first end cover and a support frame are sequentially arranged at the top of the pump body from bottom to top, a through hole matched with an output shaft of the driving motor is formed in the middle of the first end cover, an eccentric balance wheel is arranged in the support frame, the output shaft of the driving motor penetrates through the through hole of the first end cover and extends into the support frame to be fixedly connected with the eccentric balance wheel, a diaphragm body and a piston sheet used for driving the diaphragm body to move are integrated at the top of the eccentric balance wheel, a suction check valve and a discharge check valve are integrated at the top of the piston sheet, a mounting bracket is arranged above the suction check valve and the discharge check valve, a diaphragm chamber matched with the suction check valve is fixedly mounted through the mounting bracket, a hollow connecting rod is arranged at the bottom of the diaphragm chamber, the diaphragm, the top of the support frame is fixedly connected with a second support frame, one side of the second support frame is provided with a water inlet, the other side of the second support frame is provided with a water outlet, a fluid chamber matched with the diaphragm chamber is arranged in the second support frame, a pressure regulating device is arranged in the fluid chamber and comprises a flat cushion pressure regulating valve, a small top cover is arranged at the top of the flat cushion pressure regulating valve, a central pipe is arranged in the small top cover, the bottom end in the central pipe is provided with a spring base which is fixedly connected with the central pipe, the top of the spring base is provided with two groups of pressure regulating springs, the top of each pressure regulating spring is provided with a spring cover plate, the top of each spring cover plate is provided with a pressure regulating column which penetrates through the top of the small top cover, the pressure regulating columns are movably connected with the small top cover, the bottom of the pump body is, the carbon brush is movably connected with the bottom of the driving motor.

In order to optimize the technical scheme, the specific measures adopted further comprise:

a wire outlet hole is formed in one side of the second end cover, a wire outlet protective sleeve is mounted inside the wire outlet hole and is in an inverted cone shape, an anti-falling clamping groove is formed in the middle of the wire outlet protective sleeve, and a waterproof sealing pipe is arranged at the bottom of the wire outlet protective sleeve.

Be equipped with the top cap sealing washer that is used for playing the sealed effect between foretell center tube and the little top cap, pressure regulating post and little top cap spiro union, pressure regulating post top is equipped with vertical anti-skidding stripe.

The inner wall of the top of the support frame is provided with an annular clamping groove, the inner wall of the bottom of the second support frame is provided with an annular convex ring matched with the annular clamping groove, the diaphragm body is fixedly connected to the joint of the support frame and the second support frame through the annular clamping groove and the annular convex ring, the diaphragm body is a reverse osmosis diaphragm, four groups of piston columns are arranged at the bottom of each piston sheet, each piston sheet is connected with the corresponding eccentric balance wheel through the corresponding piston column, the suction check valve is in a bowl shape, and a cavity is formed at the joint of the bottom of the suction check valve and the.

The support frame and the second support frame are fixedly connected through bolts.

The side wall of the second support frame is provided with a pressure monitoring device for detecting the internal pressure of the fluid chamber, and the pressure monitoring device is embedded in the side wall of the second support frame in a flat oval shape.

The oil supplementing device is arranged on the left side of the support frame, is strip-shaped, transversely penetrates through the side wall of the left side of the support frame and extends to the bottom of the eccentric balance wheel.

And one end of the pressure relief valve, which is far away from the fluid chamber, penetrates through the side wall of the second support frame and is fixedly connected with the side wall of the second support frame.

Foretell pump body is inside be equipped with driving motor assorted limit structure, and limit structure is the tube-shape, and limit structure top inner wall is equipped with annular limiting plate, and the limit structure inner wall is equipped with the rubber shock absorber layer, and the limit structure left and right sides all is equipped with two sets of connecting rods, and limit structure passes through connecting rod and pump body inner wall fixed connection.

The water inlet and the water outlet are both connected with a raw water pipe flange.

Compared with the prior art, the utility model discloses increased the regulator in the fluid indoor portion, the regulator is by flat pad air-vent valve, little top cap, the center tube, the pressure regulating spring, spring base, pressure regulating post and spring cover board are constituteed, but through leading to pressure monitoring device real-time supervision pump body internal fluid flow and internal pressure in diaphragm pump working process, make pressure regulating spring compression or loose piece through rotatory pressure regulating post, realize adjusting the purpose of flat pad air-vent valve port size, make the diaphragm pump have the pressure boost, pressure regulating and one-way reverse osmosis function. The utility model discloses compact structure, small, the dismouting and the maintenance of being convenient for can guarantee the stability of operating pressure in the system.

Drawings

Fig. 1 is an exploded schematic view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a structural diagram of the pressure regulating device of the present invention.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 3 are schematic structural views of the present invention.

Wherein the reference numerals are: the pump body 1, the first end cover 11, the second end cover 12, the wire outlet hole 121, the wire outlet protective sleeve 122, the carbon brush support 123, the carbon brush buckle 124, the carbon brush 125, the anti-dropping clamping groove 126, the waterproof sealing tube 127, the driving motor 13, the limiting structure 14, the connecting rod 15, the annular limiting plate 16, the support 2, the eccentric balance 21, the piston sheet 211, the piston column 212, the diaphragm body 22, the suction check valve 23, the discharge check valve 24 and the second support 25, the device comprises an annular clamping groove 26, an annular convex ring 261, a mounting support 3, a diaphragm chamber 31, an O-shaped ring 32, a hollow connecting rod 33, a fluid chamber 4, a pressure regulating device 5, a spring base 51, a spring cover plate 52, a top cover sealing ring 53, a small top cover 54, a pressure regulating spring 55, a pressure regulating column 56, a vertical anti-skidding strip 561, a flat gasket pressure regulating valve 57, a central pipe 58, a pressure monitoring device 6, a water inlet 71, a water outlet 72, an oil supplementing device 8 and a pressure relief valve 9.

As shown in the figures, the utility model discloses a diaphragm pump with pressure regulating and one-way reverse osmosis function, including the pump body 1, the inside driving motor 13 that is equipped with of pump body 1, first end cap 11 and support frame 2 are equipped with from bottom to top in proper order at the top of pump body 1, first end cap 11 middle part is equipped with the through-hole with driving motor 13 output shaft phase-match, support frame 2 is inside to be equipped with eccentric balance 21, the output shaft of driving motor 13 runs through the through-hole of first end cap 11 and extends to the inside of support frame 2 and is fixed connection with eccentric balance 21, eccentric balance 21 top is integrated with diaphragm body 22 and piston piece 211 that is used for driving diaphragm body 22 motion, piston piece 211 top is integrated with suction check valve 23 and discharge check valve 24, suction check valve 23 and discharge check valve 24 top is equipped with installing support 3, install with suction check valve 23 assorted diaphragm chamber 31 through installing support 3 fixed mounting, the bottom of the diaphragm chamber 31 is provided with a hollow connecting rod 33, the diaphragm chamber 31 is connected with the suction check valve 23 through the hollow connecting rod 33, the top of the mounting bracket 3 is provided with an O-shaped ring 32 for sealing, the top of the support frame 2 is fixedly connected with a second support frame 25, the inside of the second support frame 25 is provided with a fluid chamber 4 matched with the diaphragm chamber 31, the inside of the fluid chamber 4 is provided with a pressure regulating device 5, the pressure regulating device 5 comprises a flat cushion pressure regulating valve 57, the top of the flat cushion pressure regulating valve 57 is provided with a small top cover 54, the inside of the small top cover 54 is provided with a central pipe 58, the bottom inside of the central pipe 58 is provided with a spring base 51, the spring base 51 is fixedly connected with the central pipe 58, the top of the spring base 51 is provided with two groups of pressure regulating springs 55, the top of each pressure regulating spring 55 is provided with a spring, the bottom of the pump body 1 is provided with a second end cap 12, the top of the second end cap 12 is provided with a carbon brush support 123, two sides of the top of the carbon brush support 123 are provided with carbon brush buckles 124, two groups of carbon brushes 125 are transversely installed on the carbon brush buckles 124, and the carbon brushes 125 are movably connected with the bottom of the driving motor 13.

In the embodiment, second end cap 12 one side is equipped with wire hole 121, wire hole 121 internally mounted has protective sheath 122 of being qualified for the next round of competitions, protective sheath 122 of being qualified for the next round of competitions is the back taper, protective sheath 122 middle part of being qualified for the next round of competitions is equipped with anticreep draw-in groove 126, protective sheath 122 bottom of being qualified for the next round of competitions is equipped with waterproof sealing tube 127, the better protection power supply line through protective sheath 122 of being qualified for the next round of competitions does not receive the damage, the multiplicable protective sheath 122 of being qualified for the next round of competitions through the anticreep draw-in groove 126 at protective sheath 122 middle part of being qualified for.

In the embodiment, a top cover sealing ring 53 for sealing is arranged between the central pipe 58 and the small top cover 54, the overall sealing performance of the pump body is improved, the pressure regulating column 56 is in threaded connection with the small top cover 54, the pressure regulating column 56 can be rotated clockwise or anticlockwise to move up and down in the small top cover 54, the pressure regulating column 56 is made to compress or relax the pressure regulating spring 55, the purpose of regulating the size of the valve port of the flat cushion pressure regulating valve 57 is achieved, the device has the functions of pressurization and pressure regulation, and the top of the pressure regulating column 56 is provided with a vertical anti-skid stripe 561 which provides favorable conditions for rotating the pressure regulating column 56.

In the embodiment, the top inner wall of the support frame 2 is provided with the annular clamping groove 26, the bottom inner wall of the second support frame 25 is provided with the annular convex ring 261 matched with the annular clamping groove 26, the diaphragm body 22 is fixedly connected to the joint of the support frame 2 and the second support frame 25 through the annular clamping groove 26 and the annular convex ring 261, the connection stability of the diaphragm body 22 is effectively ensured, meanwhile, the diaphragm body 22 is convenient to detach or replace in the later period, the diaphragm body 22 is a reverse osmosis diaphragm, the bottom of the piston sheet 211 is provided with four sets of piston columns 212, the piston sheet 211 is connected with the eccentric balance wheel 21 through the piston columns 212, the suction check valve 23 is in a bowl shape, the joint of the bottom of the suction check valve 23 and the upper end face of the diaphragm body 22 forms a cavity, the eccentric balance wheel 21 is matched with the piston columns 212 to drive the piston sheet 211 to drive the diaphragm body 22 to, Discharge check valve 24 and the interior of fluid chamber 4 move in one direction.

In the embodiment, the support frame 2 and the second support frame 25 are fixedly connected through bolts, so that the pump body can be assembled, disassembled and maintained conveniently, and meanwhile, the stability of pump body connection can be ensured.

In the embodiment, the side wall of the second support frame 25 is provided with the pressure monitoring device 6 for detecting the internal pressure of the fluid chamber 4, the pressure monitoring device 6 is embedded in the side wall of the second support frame 25 in a flat oval shape, the flow and the pressure of the fluid in the fluid chamber 4 can be monitored in real time through the pressure monitoring device 6, monitoring data are provided for the pressure regulating device 5, and the purposes of accurate pressurization and pressure regulation are achieved.

In the embodiment, the oil supplementing device 8 is arranged on the left side of the support frame 2, the oil supplementing device 8 is strip-shaped and transversely penetrates through the side wall of the left side of the support frame 2 to extend to the bottom of the eccentric balance wheel 21, the purpose of oiling the output shaft of the eccentric balance wheel 21 and the drive motor 13 is achieved through the oil supplementing device 8, mechanical abrasion of the eccentric balance wheel 21 and the output shaft of the drive motor 13 in operation of the diaphragm pump can be effectively reduced, and the service life of the device can be effectively prolonged.

In the embodiment, a pressure relief valve 9 is arranged on one side of the fluid chamber 4, one end, far away from the fluid chamber 4, of the pressure relief valve 9 penetrates through the side wall of the second support frame 25 and is fixedly connected with the side wall of the second support frame 25, and the pressure relief valve 9 can be automatically opened or closed when the working pressure of the diaphragm pump is limited, so that the purpose of reducing the working pressure and ensuring the safety of a system is achieved.

In the embodiment, pump body 1 is inside to be equipped with driving motor 13 assorted limit structure 14, limit structure 14 is the tube-shape, limit structure 14 top inner wall is equipped with annular limiting plate 16, limit structure 14 inner wall is equipped with the rubber shock absorber layer, limit structure 14 left and right sides all is equipped with two sets of connecting rods 15, limit structure 14 passes through connecting

rod

15 and 1 inner wall fixed connection of the pump body, can install driving motor 13 firm inside the pump body 1 through limit structure 14, prevent to take place the displacement at this device function in-process driving motor 13, the rubber shock absorber layer through limit structure 14 inner wall can further improve driving motor 13's stability, effectively reduce the vibrations that the pump body 1 produced because of driving motor 13 work.

In the embodiment, the water inlet 71 and the water outlet 72 are both connected with the raw water pipe through flanges, so that the connection sealing performance of the water inlet 71 and the water outlet 72 with the raw water pipe is improved, and the device and the raw water pipe can be conveniently disassembled and assembled.

The working principle is as follows: when the device is used, a raw water pipe port is connected to a water inlet 71 and a water outlet 72 of the diaphragm pump through flanges, the pump body 1 is connected with an adaptive power supply, the pump body 1 converts electric energy into mechanical energy, an output shaft of a driving motor 13 drives an eccentric balance 21 in a support frame 2 to do regular motion, the eccentric balance 21 pushes a piston sheet 211 fixed on a diaphragm body 22 to do track motion through a piston column 212, so that a pressure difference is formed in the diaphragm chamber 4 and between a cavity of a suction check valve 23 and a cavity of a discharge check valve 24, fluid entering the pump body 1 continuously performs one-way motion in the cavity of the suction check valve 23, the cavity of the discharge check valve 24 and a high-pressure cavity of a fluid chamber 4 according to design requirements, a pressure regulating device 5 is arranged in the fluid chamber 4, a pressure regulating column 56 at the top of the pressure regulating device 5 is rotated clockwise, the pressure regulating column 56 rotates and, the valve port gap of the flat cushion pressure regulating valve 57 is reduced, and the purpose of pressurization is realized; the pressure regulating column 56 at the top of the pressure regulating device 5 is rotated anticlockwise, the pressure regulating column 56 rotates towards the top of the fluid chamber 4 to extend and relax the pressure regulating spring 55, the valve port gap of the flat gasket pressure regulating valve 57 is enlarged, the pressure reduction purpose is realized, and therefore the water pump has the functions of pressurization, pressure regulation and one-way reverse osmosis.

This device second end cover 12's wire hole 121 is equipped with the protective sheath 122 of being qualified for the next round of competitions, the protective sheath 122 of being qualified for the next round of competitions is the inverted cone structure, the protective sheath 122 of being qualified for the next round of competitions is through the wire hole zonulae occludens of the anticreep draw-in groove 126 of its middle part outer wall and second end cover 12, can make the sealed waterborne of wire hole 121, the power cord steadiness is better, the protection power cord that also can be better is not damaged, can also improve the installation convenience, the protective sheath 122 bottom of being qualified for the next round of competitions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a diaphragm pump with pressure regulating and one-way reverse osmosis function, is including the pump body (1), characterized by: the pump is characterized in that a driving motor (13) is arranged inside the pump body (1), a first end cover (11) and a support frame (2) are sequentially arranged at the top of the pump body (1) from bottom to top, a through hole matched with an output shaft of the driving motor (13) is formed in the middle of the first end cover (11), an eccentric balance wheel (21) is arranged inside the support frame (2), the output shaft of the driving motor (13) penetrates through the through hole of the first end cover (11) and extends into the support frame (2) to be fixedly connected with the eccentric balance wheel (21), a diaphragm body (22) and a piston sheet (211) used for driving the diaphragm body (22) to move are integrated at the top of the eccentric balance wheel (21), a suction check valve (23) and a discharge check valve (24) are integrated at the top of the piston sheet (211), and a mounting bracket (3) is arranged above the suction check valve (23) and the discharge check valve, have and inhale check valve (23) assorted diaphragm chamber (31) through installing support (3) fixed mounting, diaphragm chamber (31) bottom is equipped with hollow connecting rod (33), diaphragm chamber (31) link to each other with inhaling check valve (23) through hollow connecting rod (33), installing support (3) top is equipped with O type circle (32) that are used for playing the sealing action, support frame (2) top fixedly connected with second support frame (25), one side of second support frame (25) is equipped with water inlet (71), second support frame (25) opposite side is equipped with delivery port (72), second support frame (25) inside be equipped with diaphragm chamber (31) assorted fluid chamber (4), fluid chamber (4) inside is equipped with pressure regulating device (5), pressure regulating device (5) are including flat pad air-vent valve (57), flat pad air-vent valve (57) top is equipped with little top cap (54), a central tube (58) is arranged in the small top cover (54), a spring base (51) is arranged at the bottom end in the central tube (58), the spring base (51) is fixedly connected with a central pipe (58), two groups of pressure regulating springs (55) are arranged at the top of the spring base (51), a spring cover plate (52) is arranged at the top of the pressure regulating spring (55), a pressure regulating column (56) is arranged at the top of the spring cover plate (52), the pressure regulating column (56) penetrates through the top of the small top cover (54), the pressure regulating column (56) is movably connected with the small top cover (54), a second end cover (12) is arranged at the bottom of the pump body (1), a carbon brush support frame (123) is arranged at the top of the second end cover (12), carbon brush buckles (124) are arranged on both sides of the top of the carbon brush support frame (123), two groups of carbon brushes (125) are transversely installed on the carbon brush buckle (124), and the carbon brushes (125) are movably connected with the bottom of the driving motor (13).

2. The diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 1, wherein: second end cover (12) one side be equipped with wire hole (121), wire hole (121) internally mounted has protective sheath (122) of being qualified for the next round of competitions, protective sheath (122) of being qualified for the next round of competitions is the back taper, protective sheath (122) middle part of being qualified for the next round of competitions is equipped with anticreep draw-in groove (126), protective sheath (122) bottom of being qualified for the next round of competitions is equipped with waterproof sealing tube (127).

3. The diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 2, wherein: the anti-skid pressure regulating device is characterized in that a top cover sealing ring (53) for sealing is arranged between the central pipe (58) and the small top cover (54), the pressure regulating column (56) is in threaded connection with the small top cover (54), and vertical anti-skid stripes (561) are arranged at the top of the pressure regulating column (56).

4. A diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 3, wherein: the top inner wall of support frame (2) be equipped with ring groove (26), the bottom inner wall of second support frame (25) be equipped with ring groove (26) assorted annular protruding circle (261), the diaphragm body (22) pass through ring groove (26) cooperation annular protruding circle (261) fixed connection in the junction of support frame (2) and second support frame (25), the diaphragm body (22) be the reverse osmosis diaphragm, piston piece (211) bottom be equipped with four sets of piston columns (212), piston piece (211) link to each other with eccentric balance wheel (21) through piston column (212), it is the bowl form to inhale check valve (23), inhale check valve (23) bottom and diaphragm body (22) up end junction formation cavity.

5. A diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in any one of claims 1 to 4, wherein: the support frame (2) is fixedly connected with the second support frame (25) through bolts.

6. The diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 5, wherein: the side wall of the second support frame (25) is provided with a pressure monitoring device (6) for detecting the internal pressure of the fluid chamber (4), and the pressure monitoring device (6) is embedded in the side wall of the second support frame (25) in a flat oval shape.

7. The diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 6, wherein: the oil supplementing device (8) is arranged on the left side of the support frame (2), and the oil supplementing device (8) is strip-shaped and transversely penetrates through the side wall of the left side of the support frame (2) to extend to the bottom of the eccentric balance wheel (21).

8. The diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 7, wherein: fluid chamber (4) one side be equipped with pressure relief valve (9), pressure relief valve (9) keep away from fluid chamber (4) one end run through second support frame (25) lateral wall and with second support frame (25) lateral wall fixed connection.

9. The diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 8, wherein: the pump body (1) is inside be equipped with driving motor (13) assorted limit structure (14), limit structure (14) are the tube-shape, limit structure (14) top inner wall is equipped with annular limiting plate (16), limit structure (14) inner wall is equipped with the rubber shock absorber layer, limit structure (14) left and right sides all is equipped with two sets of connecting rods (15), limit structure (14) are through connecting rod (15) and pump body (1) inner wall fixed connection.

10. The diaphragm pump with pressure regulating and one-way reverse osmosis functions as claimed in claim 9, wherein: the water inlet (71) and the water outlet (72) are both connected with a raw water pipe flange.