CN220395986U

CN220395986U - Diaphragm pump with optocoupler element

Info

Publication number: CN220395986U
Application number: CN202321471184.0U
Authority: CN
Inventors: 周如景
Original assignee: Zhongshan Willpower Motor & Electric Appliance Co ltd
Current assignee: Zhongshan Willpower Motor & Electric Appliance Co ltd
Priority date: 2023-06-10
Filing date: 2023-06-10
Publication date: 2024-01-26
Anticipated expiration: 2033-06-10

Abstract

The utility model discloses a diaphragm pump with an optocoupler, which comprises a pump head body, wherein a water inlet cavity, a water outlet cavity and a pressurizing cavity are arranged in the pump head body, the water inlet cavity and the water outlet cavity are respectively communicated with a water inlet and a water outlet, the optocoupler is integrated on the pump head body, and an impeller for blocking the optical path of the optocoupler at a circulation interval is rotationally arranged on a waterway where the water inlet is communicated with the water outlet. The utility model integrates the optical coupling element on the pump head body, and does not need to additionally install other connecting pipelines for connecting the flowmeter on the diaphragm pump, thereby simplifying the structure of the diaphragm pump and reducing the difficulty of the manufacturing process.

Description

Diaphragm pump with optocoupler element

Technical Field

The utility model relates to the technical field of fluid conveying, in particular to a diaphragm pump with an optical coupling element.

Background

The diaphragm pump is a pump water component commonly used in fluid transportation, and the principle is that a motor drives an eccentric component to make eccentric motion, so that a pressurizing cavity of the diaphragm pump is extruded or pulled, and water is sucked or pumped out.

The flow of the existing diaphragm pump is generally collected through a flowmeter, but a connecting pipeline is required to be additionally arranged on the diaphragm pump to cause the structural complexity of the diaphragm pump and the difficulty of the manufacturing process to be increased.

Disclosure of Invention

The utility model aims to provide a diaphragm pump with an optical coupling element, wherein the optical coupling element is integrated on a pump head body, and other connecting pipelines for connecting a flowmeter are not required to be additionally arranged on the diaphragm pump, so that the structure of the diaphragm pump is simplified, and the difficulty of a manufacturing process is reduced.

In order to solve the technical problems, the utility model adopts the following scheme:

the diaphragm pump with the optocoupler comprises a pump head body, wherein a water inlet cavity, a water outlet cavity and a pressurizing cavity are arranged in the pump head body, the water inlet cavity and the water outlet cavity are respectively communicated with a water inlet and a water outlet, the optocoupler is integrated on the pump head body, and an impeller for blocking the light path of the optocoupler at a circulation interval is rotationally arranged on a waterway where the water inlet is communicated with the water outlet.

By adopting the technical scheme, the optocoupler element is integrated on the pump head body, the impeller is rotationally arranged on the waterway between the water inlet and the water outlet, the impeller can rotate under the action of water flow, the impeller rotates to block the light path of the optocoupler element at intervals, the light path of the optocoupler element is turned on and off to generate electric signal output, the rotating speed of the impeller is influenced by the flow velocity of the water flow, the rotating speed of the impeller is different, so that the frequency of the electric signal generated by the optocoupler element is different, the rotating speed of the impeller can be determined according to the electric signal generated by the optocoupler element, the flow velocity of the water flow is further determined, the pipeline sectional area is known according to the relation of the flow equal to the pipeline sectional area multiplied by the flow velocity, the flow of the diaphragm pump can be obtained, the conveying flow of the diaphragm pump is metered, the optocoupler element is integrated on the pump head body, and the flow of the diaphragm pump can be metered through the cooperation of the impeller, other redundant connecting pipelines are not required to be additionally arranged, the structure of the diaphragm pump is optimized, and the manufacturing process difficulty of the diaphragm pump is reduced.

Optionally, the impeller rotates the front end that sets up in the rear end or the delivery port of water inlet on the pump head body, and the rivers of water inlet or delivery port department drive impeller rotation and the light path of circulation interval blocking optocoupler component.

Optionally, the water inlet or the water outlet is provided with a fixed plate which is in fit and clamping connection with the pump head body, the fixed plate is made of transparent materials, an optical coupler element is embedded in the outer side of the fixed plate, a rotating shaft is clamped between the fixed plate and the pump head body, the rotating shaft is rotationally connected with the middle part of the impeller, and the impeller can rotate anticlockwise or clockwise by taking the rotating shaft as an axis under the action of water flow.

Optionally, an assembling groove allowing the impeller to pass through is formed in the middle of the inner side of the fixing plate in an outward concave manner, the optical path of the optocoupler element is along the length direction of the rotating shaft, and the part of the impeller in the assembling groove is positioned on the optical path of the optocoupler element.

Optionally, the end of the impeller opposite to the optocoupler element is adjacent to and does not contact the wall of the water inlet or the water outlet.

Optionally, a sealing ring is pressed between the fixing plate and the pump head body.

Optionally, pump head body below has connected gradually baffle, medium plate, shell and motor, compresses tightly between baffle and the medium plate has the pressure boost diaphragm, pressure boost diaphragm one end undercut forms the pressure boost chamber, locate on the baffle with the inlet opening of pressure boost chamber switch-on, the apopore, the inlet opening is switched on with the inlet opening, the apopore is switched on with the apopore, inlet opening department is equipped with the one-way diaphragm of intaking of fixing on the baffle, the apopore department is equipped with the one-way diaphragm of intaking of fixing on the baffle, be equipped with the eccentric subassembly that is used for changing pressure boost chamber volume between the output shaft of motor and the pressure boost chamber lower extreme.

Optionally, the eccentric subassembly includes eccentric seat, connecting rod and pushes away the frame, and the output shaft and the eccentric seat bottom surface eccentric connection of motor, connecting rod one end and eccentric seat top surface eccentric connection, the other end is connected with pushing away the frame, pushes away frame one end and is connected with the pressure boost chamber bottom surface.

Optionally, a first sealing gasket positioned at the periphery of the water outlet cavity is arranged between the pump head body and the top end of the partition plate.

Optionally, the pump head body and the baffle are circumferentially compressed with a second sealing gasket.

The utility model has the beneficial effects that:

1. in the utility model, the optocoupler element is directly integrated on the pump head body, the impeller is arranged on the waterway between the water inlet and the water outlet, the light path of the optocoupler element is blocked by the rotation and circulation interval of the impeller, the flow of the diaphragm pump can be measured, other redundant connecting pipelines are not needed to be additionally arranged, the structure of the diaphragm pump is optimized, and the manufacturing process difficulty of the diaphragm pump is reduced.

Drawings

FIG. 1 is a schematic view of a structure in which an impeller is installed at the rear end of a water inlet;

FIG. 2 is a schematic view of the cross-sectional structure B-B in FIG. 1;

FIG. 3 is a schematic view of the impeller mounted at the front end of the water outlet;

FIG. 4 is a schematic view of the cross-sectional structure A-A in FIG. 3.

Reference numerals: 01-motor, 02-output shaft, 03-eccentric seat, 04-connecting rod, 05-shell, 06-pushing frame, 07-middle plate, 08-pressurizing diaphragm, 09-baffle, 10-second sealing gasket, 11-water inlet cavity, 12-pump head body, 13-first sealing gasket, 14-water outlet cavity, 15-water outlet, 16-water inlet, 17-fixed plate, 18-rotating shaft, 19-optocoupler element, 20-impeller, 21-water passing port, 22-sealing ring, 23-water inlet hole, 24-water inlet unidirectional diaphragm, 25-water outlet hole, 26-water outlet unidirectional diaphragm, 27-pressurizing cavity, 28-assembly groove.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The diaphragm pump with the optocoupler comprises a pump head body 12, wherein a water inlet cavity 11, a water outlet cavity 14 and a pressurizing cavity 27 are arranged in the pump head body 12, the water inlet cavity 11 and the water outlet cavity 14 are respectively communicated with a water inlet 16 and a water outlet 15, the optocoupler 19 is integrated on the pump head body 12, and an impeller 20 for blocking the light path of the optocoupler 19 at a circulation interval is rotationally arranged on a waterway where the water inlet 16 is communicated with the water outlet 15.

In this embodiment, as shown in fig. 1 and 3, an optocoupler 19 is directly integrated on one side of a pump head body 12, an impeller 20 is rotatably arranged on a waterway between a water inlet 16 and a water outlet 15, the impeller 20 can rotate under the action of water flow, the rotation of the impeller 20 can block the optical path of the optocoupler 19 at intervals, the on-off of the optical path of the optocoupler 19 can generate electric signal output, the water flow speed affects the rotation speed of the impeller 20, the rotation speed of the impeller 20 is the rotation speed of the impeller 20 for one circle, the rotation speeds of the impellers 20 are different, so that the frequency of electric signals generated by the optocoupler 19 is different, the rotation speed of the impeller 20 can be determined according to the electric signals generated by the optocoupler 19, the flow speed of water flow is further determined, the flow rate is known according to the relation between the flow and the cross-sectional area of a pipeline, so that the flow rate of the diaphragm pump can be obtained, the flow rate of the diaphragm pump is metered, the optocoupler 19 is integrated on the pump head body 12, the same function as that the optocoupler flow meter is formed by the cooperation of the impeller 20, the diaphragm pump can be difficult to the flow rate, and the diaphragm pump is not required to be additionally provided with other connecting pipelines, the manufacturing process of the diaphragm pump is reduced.

Further, the impeller 20 is rotatably disposed at the rear end of the water inlet 16 or the front end of the water outlet 15 on the pump head 12, and the water flow at the water inlet 16 or the water outlet 15 drives the impeller 20 to rotate and blocks the optical path of the optocoupler 19 at a cyclic interval. Specifically, as shown in fig. 1 and 2, a water passing port 21 is provided between the water outlet cavity 14 and the water outlet 15 or between the water inlet 16 and the water inlet cavity 11 for conducting water flow, the impeller 20 is installed at the rear end of the water inlet 16 or the front end of the water outlet 15, the pipe diameters of the water inlet 16 and the water outlet 15 are set to be identical, the flow rates are identical, so that the flow rates at the water inlet 16 and the water outlet 15 are identical, the flow rate measured by installing the impeller 20 at the water inlet 16 or the water outlet 15 is identical, the rear end of the water inlet 16 refers to a water path between the water inlet 16 and the water inlet cavity 11, the rear end of the water outlet 15 is a water path indicating the water path between the water inlet 16 and the water outlet 15, water flows in from the water outlet 16, and flows out of the water outlet 15, the water flow drives the impeller 20 to rotate, the rotation of the impeller 20 blocks the light path of the optocoupler element 19 at intervals, the interval blocking is due to the clearance between the blades of the impeller 20, the light path is blocked only when the blades of the impeller 20 are located on the light path, the clearance between the blades is located on the light path, the light path is blocked when the impeller 20 rotates, the impeller is the light path is blocked, and the circulation interval is blocked when the rotation is the circulation interval is further.

Further, a fixing plate 17 which is in fit and clamping connection with the pump head body 12 is arranged at the water inlet 16 or the water outlet 15, the fixing plate 17 is made of transparent materials, an optical coupling element 19 is embedded in the outer side of the fixing plate 17, a rotating shaft 18 is clamped between the fixing plate 17 and the pump head body 12, the rotating shaft 18 is in rotary connection with the middle part of the impeller 20, and the impeller 20 can rotate anticlockwise or clockwise by taking the rotating shaft 18 as an axis under the action of water flow. Specifically, one end of the fixing plate 17 is of a step-shaped structure, the step-shaped structure is in fit and clamping connection with a part of the pump head body 12, which forms the water inlet 16 or the water outlet 15, the fixing plate 17 is made of transparent PP plastic materials, so that the light path of the optocoupler element 19 can reach the receiving end from the transmitting end, the optocoupler element 19 is embedded in the outer side of the fixing plate 17, the rotating shaft 18 is clamped between the fixing plate 17 and the pump head body 12, the rotating shaft 18 and the impeller 20 can relatively rotate, and therefore, under the impact of water flow, the impeller 20 can rotate, and the rotation of the impeller 20 blocks the circulation interval of the light path of the optocoupler element 19.

Further, an assembling groove 28 for allowing the impeller 20 to pass through is formed in the middle of the inner side of the fixing plate 17 in an outward recessed manner, and the optical path of the optocoupler 19 is along the length direction of the rotating shaft 18, and the part of the impeller 20 located in the assembling groove 28 is located on the optical path of the optocoupler 19. Specifically, as shown in fig. 2 and fig. 4, an outwards concave assembly groove 28 is provided on the inner side of the fixing plate 17, one end of the impeller 20 is located in the assembly groove 28, the optical path direction of the optocoupler element 19 is perpendicular to the radial direction of the circumferential surface formed by rotation of the impeller 20, and the part of the impeller 20 located in the assembly groove 28 is located on the optical path, so that the impeller 20 can be ensured to block or conduct the optical path when rotating, and the optocoupler element 19 can generate an electrical signal.

Further, the end of the impeller 20 opposite to the optocoupler 19 is adjacent to and does not contact the wall of the water inlet 16 or the water outlet 15. Specifically, when the impeller 20 is mounted at the rear end of the water inlet 16, the left end of the impeller 20 is adjacent to and does not contact with the left inner side wall of the pipe forming the water inlet 16, so that the inflow amount of water can be ensured to be basically fully acted on the impeller 20, and the loss of the flow velocity of water is avoided; when the impeller 20 is installed at the front end of the water outlet 15, the right end of the impeller 20 is adjacent to and does not contact with the right inner side wall of the pipe forming the water outlet 15, so that the water outlet quantity can be ensured to be basically fully acted on the impeller 20, and the loss of the flow velocity of water is avoided.

Further, a sealing ring 22 is pressed between the fixing plate 17 and the pump head body 12. Specifically, the sealing ring 22 can enhance the sealing performance between the fixing plate 17 and the pump head body 12, and prevent water at the water inlet 16 or the water outlet 15 from leaking to the outside of the diaphragm pump.

Example 2

Further, the lower part of the pump head body 12 is sequentially connected with a partition plate 09, a middle plate 07, a shell 05 and a motor 01, a pressurizing diaphragm 08 is pressed between the partition plate 09 and the middle plate 07, one end of the pressurizing diaphragm 08 is sunken downwards to form a pressurizing cavity 27, a water inlet hole 23 and a water outlet hole 25 communicated with the pressurizing cavity 27 are formed in the partition plate 09, the water inlet hole 23 is communicated with the water inlet cavity 11, the water outlet hole 25 is communicated with the water outlet cavity 14, a water inlet unidirectional diaphragm 24 fixed on the partition plate 09 is arranged at the water inlet hole 23, a water outlet unidirectional diaphragm 26 fixed on the partition plate 09 is arranged at the water outlet hole 25, and an eccentric assembly for changing the volume of the pressurizing cavity 27 is arranged between an output shaft 02 of the motor 01 and the lower end of the pressurizing cavity 27.

Further, the eccentric assembly comprises an eccentric seat 03, a connecting rod 04 and a pushing frame 06, an output shaft 02 of the motor 01 is eccentrically connected with the bottom surface of the eccentric seat 03, one end of the connecting rod 04 is eccentrically connected with the top surface of the eccentric seat 03, the other end of the connecting rod 04 is connected with the pushing frame 06, and one end of the pushing frame 06 is connected with the bottom surface of the pressurizing cavity 27.

Further, a first sealing gasket 13 located in the circumferential direction of the water outlet cavity 14 is arranged between the pump head body 12 and the top end of the partition plate 09.

Further, the pump head 12 and the partition 09 are circumferentially pressed with a second gasket 10.

In this embodiment, as shown in fig. 1, the structure of the eccentric assembly and the working principle thereof are that in the prior art, when the diaphragm pump works, the motor 01 rotates and drives the eccentric seat 03 to eccentrically rotate through the output shaft 02, the eccentric seat 03 drives the pushing frame 06 to eccentrically rotate through the connecting rod 04, thereby realizing the change of the volume of the pressurizing cavity 27, when the volume of the pressurizing cavity 27 is increased, water is sucked from the water inlet 16 and reaches the water inlet cavity 11 through the impeller 20, the water in the water inlet cavity 11 is pressed against the water inlet unidirectional diaphragm 24, the water enters the pressurizing cavity 27 from the water inlet hole 23, at this time, the volume of the pressurizing cavity 27 becomes smaller, the pressurizing cavity 27 is pumped out, the water pressure in the pressurizing cavity 27 is pressed against the water outlet unidirectional diaphragm 26, and the water enters the water outlet cavity 14 from the water outlet hole 25 and is pumped out from the water outlet 15.

The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model in any way, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a diaphragm pump with opto-coupler element, includes pump head body (12), is equipped with intake chamber (11), play water chamber (14), booster chamber (27) in pump head body (12), intake chamber (11), play water chamber (14) respectively with water inlet (16), delivery port (15) switch-on, a serial communication port, integrated on pump head body (12) has opto-coupler element (19), rotates on the water route that water inlet (16) and delivery port (15) switch-on and is equipped with impeller (20) that are used for the circulation interval to block opto-coupler element (19) light path.

2. A diaphragm pump with an optocoupler according to claim 1, characterized in that the impeller (20) is rotatably arranged at the rear end of the water inlet (16) or the front end of the water outlet (15) on the pump head body (12), and the water flow at the water inlet (16) or the water outlet (15) drives the impeller (20) to rotate and blocks the optical path of the optocoupler (19) at cyclic intervals.

3. The diaphragm pump with the optocoupler according to claim 2, characterized in that a fixing plate (17) which is in fit and clamping connection with the pump head body (12) is arranged at the water inlet (16) or the water outlet (15), the fixing plate (17) is made of transparent materials, the optocoupler element (19) is embedded in the outer side of the fixing plate (17), a rotating shaft (18) is clamped between the fixing plate (17) and the pump head body (12), the rotating shaft (18) is rotationally connected with the middle position of the impeller (20), and the impeller (20) can rotate anticlockwise or clockwise by taking the rotating shaft (18) as an axis under the action of water flow.

4. A diaphragm pump with an optocoupler according to claim 3, wherein the fixing plate (17) is formed with an assembling groove (28) for allowing the impeller (20) to pass through, the optical path of the optocoupler (19) is along the length direction of the rotating shaft (18), and the part of the impeller (20) located in the assembling groove (28) is located on the optical path of the optocoupler (19).

5. A diaphragm pump with an optocoupler according to claim 3, characterized in that the end of the impeller (20) opposite the optocoupler (19) is adjacent and does not contact the wall of the water inlet (16) or the water outlet (15).

6. A diaphragm pump with optocoupler according to claim 3, characterized in that a sealing ring (22) is pressed between the fixing plate (17) and the pump head body (12).

7. The diaphragm pump with the optocoupler according to claim 1, wherein a partition plate (09), a middle plate (07), a shell (05) and a motor (01) are sequentially connected below the pump head body (12), a pressurizing diaphragm (08) is pressed between the partition plate (09) and the middle plate (07), one end of the pressurizing diaphragm (08) is sunken downwards to form a pressurizing cavity (27), a water inlet hole (23) communicated with the pressurizing cavity (27) and a water outlet hole (25) are formed in the partition plate (09), the water inlet hole (23) is communicated with the water inlet cavity (11), the water outlet hole (25) is communicated with the water outlet cavity (14), a water inlet unidirectional diaphragm (24) fixed on the partition plate (09) is arranged at the water inlet hole (23), a water outlet unidirectional diaphragm (26) fixed on the partition plate (09) is arranged at the water outlet hole (25), and an eccentric assembly used for changing the volume of the pressurizing cavity (27) is arranged between an output shaft (02) of the motor (01) and the lower end of the pressurizing cavity (27).

8. The diaphragm pump with the optocoupler of claim 7, wherein the eccentric assembly comprises an eccentric base (03), a connecting rod (04) and a pushing frame (06), an output shaft (02) of the motor (01) is eccentrically connected with the bottom surface of the eccentric base (03), one end of the connecting rod (04) is eccentrically connected with the top surface of the eccentric base (03), the other end of the connecting rod is connected with the pushing frame (06), and one end of the pushing frame (06) is connected with the bottom surface of the pressurizing cavity (27).

9. A diaphragm pump with an optocoupler according to claim 7, characterized in that a first gasket (13) is arranged between the pump head body (12) and the top end of the partition (09) in the circumferential direction of the water outlet chamber (14).

10. A diaphragm pump with an optocoupler according to claim 7, characterized in that the pump head body (12) and the diaphragm (09) are circumferentially pressed with a second gasket (10).