CN217206815U

CN217206815U - Manual diaphragm pump

Info

Publication number: CN217206815U
Application number: CN202221043513.7U
Authority: CN
Inventors: 王晛; 谢冬元; 蔡长星
Original assignee: GP Enterprises Co Ltd
Current assignee: GP Enterprises Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-16
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a manual diaphragm pump, including the pump body and pump cover, the pump body with the connection can be dismantled to the pump cover, the pump body with be provided with the diaphragm subassembly between the pump cover, the diaphragm subassembly with form the pump chamber between the pump body, still include the pull rod of being connected with the diaphragm subassembly, the diaphragm subassembly is in can change under the effect of pull rod the volume of pump chamber. The pull rod is pushed up and down to alternately expand and reduce the volume of the pump cavity, so that the diaphragm pump alternately absorbs and discharges water circularly. The diaphragm pump is simple in structure, does not need electricity, can stably work under complex environments (silt and industrial wastewater), is not easy to cause faults such as blockage, and can avoid flood emergently.

Description

Manual diaphragm pump

Technical Field

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

Background

The diaphragm pump is a novel pump which uses compressed air as power and is used for conveying fluid, and is generally used for water lifting operation with low lift and small flow. In the use process of the diaphragm pump, if a flammable and explosive working environment is met, especially in construction sites of industrial construction, waste water discharge and the like, because sewage contains a large amount of impurities and the composition of pipelines is complex, the phenomenon of blockage is easy to occur, so that the motor is overloaded, overheated and the like, and the motor is easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a manual diaphragm pump which can work stably under complex environment (silt and industrial wastewater), does not need electricity, has simple structure, is not easy to have faults such as blockage, and can avoid flood emergently.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a manual diaphragm pump, includes the pump body and pump cover, the pump body with the connection can be dismantled to the pump cover, the pump body with be provided with the diaphragm subassembly between the pump cover, the diaphragm subassembly with form the pump chamber between the pump body, still include the pull rod of being connected with the diaphragm subassembly, the diaphragm subassembly is in can change under the effect of pull rod the volume of pump chamber. The pull rod is pushed up and down to alternately expand and reduce the volume of the pump cavity, so that the diaphragm pump alternately absorbs and discharges water circularly. The diaphragm pump is simple in structure, does not need electricity, can stably work under complex environments (silt and industrial wastewater), is not easy to cause faults such as blockage, and can avoid flood emergently.

Further, the diaphragm assembly comprises a diaphragm, a skirt edge of the diaphragm abuts against the pump body, and a first waterproof pad is arranged on the skirt edge of the diaphragm. The first waterproof pad is arranged to ensure the tightness of the pump cavity.

Furthermore, the diaphragm assembly further comprises a connecting rod, one end of the connecting rod is connected with the diaphragm, the other end of the connecting rod penetrates through the pump cover and is hinged to the pull rod, and the connecting rod can move up and down under the action of the pull rod. The connecting rod drives the diaphragm to move up and down, so that the volume of the pump cavity is changed, the pressure in the pump cavity is changed, and the pump can circularly and alternately absorb water and discharge water.

Further, the diaphragm assembly further comprises a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are both connected with the connecting rod, the diaphragm is arranged between the first fixing plate and the second fixing plate, and the diaphragm is clamped and fixed through the first fixing plate and the second fixing plate.

Furthermore, the pump cover is provided with a protruding portion, the protruding portion is fixedly connected with the pump cover, the protruding portion is hinged to the pull rod, and the pull rod can swing by taking a hinged point as a circle center.

Furthermore, the pump body is provided with a water inlet and a water outlet, and the pump further comprises a ball valve, wherein the ball valve comprises a water inlet valve and a water outlet valve, the water inlet valve is connected with the water inlet, the water outlet valve is connected with the water outlet, and the water inlet valve and the water outlet valve are both one-way valves.

Further, the ball valve comprises a valve housing and a ball body, the ball body is arranged inside the valve housing, and the diameter of the ball body is larger than the inner diameter of the water inlet and the inner diameter of the water outlet.

Further, still include sealed lid, be provided with the installing port on the valve casing, sealed lid with the installing port is connected to be provided with the second waterproof pad between sealed lid and the installing port.

Further, the water outlet device also comprises a connecting flange, wherein the connecting flange comprises a water inlet flange and a water outlet flange, the water inlet flange is connected with the water inlet, the water outlet flange is connected with the water outlet, and the inner diameter of the connecting flange is smaller than that of the sphere.

Further, the material of the sphere is selected from any one of rubber, metal, plastic and ceramic.

The utility model has the advantages that: the pull rod is pushed up and down to alternately expand and reduce the volume of the pump cavity, so that the diaphragm pump alternately absorbs and discharges water circularly. The diaphragm pump is simple in structure, does not need electricity, can stably work under complex environments (silt and industrial wastewater), is not easy to cause faults such as blockage, and can avoid flood emergently.

Drawings

Fig. 1 is a perspective view of a manual diaphragm pump according to an embodiment of the present invention;

fig. 2 is an exploded view of a manual diaphragm pump according to an embodiment of the present invention;

fig. 3 is a sectional view of a manual diaphragm pump according to an embodiment of the present invention.

In the figure:

1. a pull rod; 11. a set square; 2. a pump cover; 21. a boss portion; 3. a diaphragm assembly; 31. a diaphragm sheet; 32. a connecting rod; 33. a first fixing plate; 34. a second fixing plate; 35. a screw; 4. a pump body; 5. a ball valve; 51. a valve housing; 52. a sphere; 53. a sealing cover; 54. a second waterproof pad; 6. a connecting flange; 7. a pump chamber.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, the manual diaphragm pump in this embodiment includes a pump body 4 and a pump cover 2, where the pump body 4 is detachably connected to the pump cover 2, a diaphragm assembly 3 is disposed between the pump body 4 and the pump cover 2, the diaphragm assembly 3 is disposed in the center of the pump body 4, a pump cavity 7 is formed between the diaphragm assembly 3 and the pump body 4, and the manual diaphragm pump further includes a pull rod 1 connected to the diaphragm assembly 3, where the diaphragm assembly 3 can change the volume of the pump cavity 7 under the action of the pull rod 1. The volume of the pump cavity 7 is alternatively expanded and reduced by pushing the pull rod 1 up and down, so that the diaphragm pump circularly and alternatively absorbs water and discharges water. The diaphragm pump is simple in structure, does not need electricity, can stably work under complex environments (silt and industrial wastewater), is not easy to cause faults such as blockage, and can avoid flood emergently.

In some embodiments, the pump body 4 is provided with a water inlet and a water outlet, and further comprises a ball valve 5, the ball valve 5 comprises a water inlet valve and a water outlet valve, the water inlet valve is connected with the water inlet, the water outlet valve is connected with the water outlet, and the water inlet valve and the water outlet valve are both one-way valves. When the diaphragm assembly 3 moves upwards under the action of the pull rod 1, the volume of the pump cavity 7 is increased, the pressure is reduced, the water inlet valve is opened, the water outlet valve is closed, and water flows into the pump cavity 7 from the water inlet; when the diaphragm component 3 moves downwards under the action of the pull rod 1, the pump cavity 7 is reduced, the pressure is increased, the water inlet valve is closed, the water outlet valve is opened, and water in the pump cavity 7 flows out of the water outlet pipe, so that water is sucked and drained alternately in a circulating mode.

In some embodiments, referring to fig. 3, the ball valve 5 comprises a valve housing 51 and a ball 52, and the ball 52 is made of any one of rubber, metal, plastic, and ceramic. The ball 52 is disposed inside the valve housing 51, and the diameter of the ball 52 is larger than the inner diameter of the water inlet and the inner diameter of the water outlet, so as to prevent the ball valve 5 from escaping from the water inlet or the water outlet. The valve housing 51 is provided with a mounting opening having an inner diameter larger than the diameter of the ball 52 for mounting the ball 52 inside the valve housing 51. A sealing cover 53 is arranged on the mounting opening, the sealing cover 53 is connected with the mounting opening, and a second waterproof pad 54 is arranged between the sealing cover 53 and the mounting opening to prevent water from flowing out of a gap between the sealing cover 53 and the mounting opening.

In some embodiments, the connecting flange 6 further comprises a water inlet flange and a water outlet flange, the water inlet flange is connected with the water inlet, the water outlet flange is connected with the water outlet, and the inner diameter of the connecting flange 6 is smaller than the diameter of the sphere 52, so that the sphere 52 is prevented from escaping from the connecting flange 6. The connecting flange 6 is used for connecting the water inlet pipe and the water outlet pipe.

In some embodiments, the pump cover 2 is provided with a convex portion 21, the convex portion 21 is fixedly connected with the pump cover 2, one end of the pull rod 1 is provided with a triangular plate 11, one corner of the triangular plate 11 is fixedly connected with the pull rod 1, the other corner of the triangular plate 11 is hinged with the convex portion 21, the pull rod 1 can swing with a hinged point as a circle center, the last corner of the triangular plate is connected with the diaphragm assembly 3, and the diaphragm assembly 3 is driven to move up and down by the pull rod 1 in the swinging process.

In some embodiments, referring to fig. 2 and 3, the diaphragm assembly 3 includes a diaphragm 31 and a connecting rod 32, one end of the connecting rod 32 is connected to the diaphragm 31, and the other end of the connecting rod 32 is hinged to the pull rod 1 through the pump cover 2, and the connecting rod 32 can move up and down under the action of the pull rod 1, so as to drive the diaphragm 31 to move up and down. The connecting rod 32 drives the diaphragm 31 to move up and down, so that the volume of the pump cavity 7 is changed, the pressure in the pump cavity 7 is changed, and the pump can circularly and alternately absorb water and discharge water. The skirt edge of the diaphragm 31 is abutted against the pump body 4, and the skirt edge of the diaphragm 31 is provided with a first waterproof pad. The tightness of the pump chamber 7 is ensured by the arrangement of the first waterproof pad. The diaphragm assembly 3 further includes a first fixing plate 33 and a second fixing plate 34, the diaphragm 31 is disposed between the first fixing plate 33 and the second fixing plate 34, and the diaphragm 31 is clamped and fixed by the first fixing plate 33 and the second fixing plate 34, so that the diaphragm is fixed firmly. The first fixing plate 33 and the connecting rod 32 are located on the same side of the diaphragm 31, the first fixing plate and the connecting rod 32 are integrally connected, the second fixing plate 34 and the connecting rod 32 are located on both sides of the diaphragm 31, and the second fixing plate 34 passes through the second fixing plate 34, the diaphragm 31 and the connecting rod 32 in sequence through a screw 35 to be connected.

The working process is as follows: by pushing the pull rod 1 up and down, the pull rod 1 drives the diaphragm 31 to move up and down through the connecting rod 32, when the diaphragm 31 moves up, the volume of the pump cavity 7 is enlarged, the pressure is reduced, the water inlet valve is opened, the water outlet valve is closed, and water flows into the pump cavity 7 from the water inlet; when the diaphragm 31 moves downwards, the volume of the pump cavity 7 is reduced, the pressure is increased, the water inlet valve is closed, the water outlet valve is opened, and the water in the pump cavity 7 flows out of the water outlet pipe, so that water is sucked and drained alternately in a circulating mode.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a manual diaphragm pump, includes the pump body (4) and pump cover (2), the pump body (4) with connection can be dismantled in pump cover (2), a serial communication port, the pump body (4) with be provided with diaphragm assembly (3) between pump cover (2), diaphragm assembly (3) with form pump chamber (7) between the pump body (4), still include pull rod (1) of being connected with diaphragm assembly (3), diaphragm assembly (3) are in can change under the effect of pull rod (1) the volume of pump chamber (7).

2. A manual membrane pump according to claim 1, characterized in that the membrane assembly (3) comprises a membrane (31), the skirt of the membrane (31) abutting the pump body (4), the skirt of the membrane (31) being provided with a first water-proof cushion.

3. A manual membrane pump according to claim 2, characterized in that the membrane assembly (3) further comprises a connecting rod (32), one end of the connecting rod (32) is connected with the membrane (31), the other end is hinged with the pull rod (1) through the pump cover (2), and the connecting rod (32) can move up and down under the action of the pull rod (1).

4. A hand operated diaphragm pump according to claim 3, wherein the diaphragm assembly (3) further comprises a first fixing plate (33) and a second fixing plate (34), the first fixing plate (33) and the second fixing plate (34) are both connected with the connecting rod (32), the diaphragm (31) is arranged between the first fixing plate (33) and the second fixing plate (34), and the diaphragm (31) is clamped and fixed by the first fixing plate (33) and the second fixing plate (34).

5. A manual diaphragm pump according to claim 1, characterized in that a protruding portion (21) is provided on the pump cover (2), the protruding portion (21) is fixedly connected with the pump cover (2), the protruding portion (21) is hinged to the pull rod (1), and the pull rod (1) can swing around a hinge point.

6. A manual diaphragm pump according to claim 1, wherein the pump body (4) is provided with a water inlet and a water outlet, and further comprises a ball valve (5), the ball valve (5) comprises a water inlet valve and a water outlet valve, the water inlet valve is connected with the water inlet, the water outlet valve is connected with the water outlet, and the water inlet valve and the water outlet valve are both one-way valves.

7. A hand operated membrane pump according to claim 6, characterized in that the ball valve (5) comprises a valve housing (51) and a sphere (52), the sphere (52) being arranged inside the valve housing (51), the diameter of the sphere (52) being larger than the inner diameter of the water inlet and the inner diameter of the water outlet.

8. A hand operated diaphragm pump according to claim 7, further comprising a sealing cover (53), wherein a mounting opening is provided in the valve housing (51), wherein the sealing cover (53) is connected to the mounting opening, and wherein a second waterproof gasket (54) is provided between the sealing cover (53) and the mounting opening.

9. A hand operated diaphragm pump according to claim 8, further comprising a connection flange (6), the connection flange (6) comprising a water inlet flange and a water outlet flange, the water inlet flange being connected to the water inlet, the water outlet flange being connected to the water outlet, the connection flange (6) having an inner diameter smaller than the diameter of the ball (52).

10. A hand operated membrane pump according to any of claims 7-9, characterized in that the material of the ball (52) is selected from any of rubber, metal, plastic, ceramic.