CN211174542U

CN211174542U - Drip-proof miniature water pump

Info

Publication number: CN211174542U
Application number: CN201922159085.9U
Authority: CN
Inventors: 熊立春
Original assignee: Shenzhen Sim Pump Technology Co ltd
Current assignee: Shenzhen Sim Pump Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-04
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a micro water pump of antidrip, including upper cover and motor, the upper cover upper end alternates threaded connection and has five upper cover screws, diaphragm of upper cover lower extreme fixedly connected with, common spring of fixedly connected with between upper cover and the diaphragm, diaphragm keeps away from medium plate of one end fixedly connected with of upper cover, the medium plate is kept away from diaphragm one end and is provided with a valve plate, cylinder body of diaphragm one end fixedly connected with is kept away from to the valve plate, bottom of one end fixedly connected with of valve plate is kept away from to the cylinder body, and is provided with a rocker, a steel needle and two bottom screws in the bottom, the one end fixed connection that the valve plate was kept away from to the bottom is in the motor upper end. Drip proof miniature pump, reasonable in design, simple structure, water increases the leakproofness of diaphragm and medium plate seal line through the diaphragm after the inlet tap that covers from the top gets into, again with the spring fit, further improves sealed effect to can play good anti-return effect.

Description

Drip-proof miniature water pump

Technical Field

The utility model relates to a miniature pump technical field, in particular to antidrip miniature pump.

Background

The miniature water pump is widely applied to small household appliances such as coffee machines, instant heating type water dispensers, steaming and baking integrated machines and the like, and generally comprises a motor, an eccentric wheel, a steel needle, a swing frame, a cylinder body, a diaphragm, a valve plate, an umbrella block, a middle plate, a sealing gasket, a spring and an upper cover; however, the existing micro water pump generally has a problem that when certain water pressure exists, water flows back to equipment in a static state, so that normal use of the equipment can be influenced, and therefore a novel anti-dripping micro water pump is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a drip proof miniature pump can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

drip-proof miniature water pump, including upper cover and motor, the upper cover upper end alternates threaded connection and has five upper cover screws, diaphragm of upper cover lower extreme fixedly connected with, common spring of fixedly connected with between upper cover and the diaphragm, medium plate of one end fixedly connected with of upper cover is kept away from to the diaphragm, the one end that the diaphragm was kept away from to the medium plate is provided with a valve plate, a cylinder body of one end fixedly connected with of diaphragm is kept away from to the valve plate, bottom of one end fixedly connected with of valve plate is kept away from to the cylinder body, and is provided with a rocker, a steel needle and two bottom screws in the bottom, the one end fixed connection that the valve plate was kept away from to the bottom is in.

Preferably, the middle plate is fixedly connected with the valve plate, a rubber valve block and a sealing washer are jointly arranged between the middle plate and the valve plate, the sealing washer is embedded and fixedly installed at the upper end of the valve plate, a right round hole penetrating through the middle part of the upper end of the sealing washer from the mountain to the bottom is formed in the middle of the upper end of the sealing washer, the rubber valve block is located in the round hole in the middle of the sealing washer, and a water outlet penetrating through the middle part of the upper end of.

Preferably, five mounting grooves are formed in the middle of the upper end of the cylinder body, a leather cup is connected to the mounting grooves in an alternating mode, the umbrella blocks are connected to the five inner grooves of the leather cup in an alternating mode, and a water inlet hole communicated with the umbrella blocks and the leather cup is formed in the valve plate.

Preferably, the output end of the motor is fixedly connected with an eccentric wheel, the eccentric wheel and the swing frame are both positioned in the inner cavity of the bottom cover, the swing frame and the motor are both fixedly connected with the bottom cover through two bottom cover screws, a steel ball and a steel needle are fixedly installed in an inclined hole in the upper end of the eccentric wheel, and the upper end of the steel needle is fixedly connected to the middle of the lower end of the swing frame.

Preferably, the upper end of the upper cover is provided with a water inlet nozzle and a water outlet nozzle, and the water inlet nozzle of the upper cover is provided with a pressurizing groove A.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses antidrip miniature water pump is through air pump upper cover, spring, diaphragm, medium plate, sealing washer, valve block, valve plate, the umbrella butyl, cooperation such as diaphragm to at upper cover intake nozzle design increase pressure tank, water is pressed the effect on the diaphragm after the intake nozzle that covers gets into from the upper cover, increases the leakproofness of diaphragm and medium plate seal line, in addition the spring is to the effect of diaphragm, further makes the effect of diaphragm and medium plate seal line better, thereby can play good anti-return effect.

Drawings

FIG. 1 is a rear view of the overall structure of the drip-proof micro water pump of the present invention;

FIG. 2 is an exploded view of the drip-proof micro water pump of the present invention;

FIG. 3 is a schematic view of the connection between the middle plate and the valve plate of the anti-dripping micro water pump of the present invention;

FIG. 4 is a schematic view of the connection between the valve plate and the cylinder body of the anti-dripping micro water pump of the present invention;

FIG. 5 is a schematic view of the connection between the motor and the bottom cover of the anti-dripping micro water pump of the present invention;

fig. 6 is a schematic diagram of the positions of the upper cover, the pressurizing groove and the pressurizing cavity of the anti-drip micro water pump of the present invention.

In the figure: 1. an upper cover screw; 2. an upper cover; 3. a spring; 4. a diaphragm; 5. a middle plate; 6. a sealing gasket; 7. a rubber valve plate; 8. a valve plate; 9. d, dicing an umbrella; 10. a leather cup; 11. a cylinder body; 12. placing a frame; 13. a steel needle; 14. a bottom cover screw; 15. a bottom cover; 16. steel balls; 17. an eccentric wheel; 18. a motor; A. and (4) pressurizing the groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a micro anti-drip water pump includes an upper cover 2 and a motor 18, the upper end of the upper cover 2 is threaded with five upper cover screws 1, the lower end of the upper cover 2 is fixedly connected with a diaphragm 4, a spring 3 is fixedly connected between the upper cover 2 and the diaphragm 4, the diaphragm 4 is far away from a middle plate 5, one end of the middle plate 5 far away from the diaphragm 4 is fixedly connected with a valve plate 8, one end of the valve plate 8 far away from the diaphragm 4 is fixedly connected with a cylinder body 11, one end of the cylinder body 11 far away from the valve plate 8 is fixedly connected with a bottom cover 15, a swing frame 12, a steel needle 13 and two bottom cover screws 14 are arranged in the bottom cover 15, and one end of the bottom cover 15 far away from the valve plate 8 is fixedly.

The middle plate 5 is fixedly connected with the valve plate 8, a rubber valve plate 7 and a sealing washer 6 are jointly arranged between the middle plate 5 and the valve plate 8, the sealing washer 6 can play a good sealing role to prevent water body leakage, the sealing washer 6 is fixedly embedded in the upper end of the valve plate 8, a right round hole penetrating through the middle part of the upper end of the sealing washer 6 from the mountain is formed in the middle part of the upper end of the sealing washer 6, the rubber valve plate 7 is positioned in the round hole in the middle part of the sealing washer 6, and a water outlet penetrating through the middle part from the top to the; five mounting grooves are formed in the middle of the upper end of the cylinder body 11, a leather cup 10 is connected in the mounting grooves in an inserting mode together for water body conveying, umbrella blocks 9 are connected in the five bowl grooves in the upper end of the leather cup 10 in an inserting mode, and 20 water inlet holes communicated with the umbrella blocks 9 and the leather cup 10 are formed in the valve plate 8, so that liquid can conveniently circulate in the whole water pump; the output end of the motor 18 is fixedly connected with an eccentric wheel 17, the eccentric wheel 17 and the swing frame 12 are both positioned in the inner cavity of the bottom cover 15, the swing frame 12 and the motor 18 are both fixedly connected with the bottom cover 15 through two bottom cover screws 14, steel balls 16 and steel needles 13 are fixedly arranged in inclined holes in the upper end of the eccentric wheel 17, the upper end of each steel needle 13 is fixedly connected with the middle part of the lower end of the swing frame 12, the motor 18 and the motor 18 are electrified and rotated to drive the eccentric wheel 17 to rotate together, and the eccentric wheel 17 drives the steel needles 13 and the steel balls 16 which are fixed on the swing frame 12 in the inclined holes to move, so that the swing frame 12 and the leather cup 10 can do reciprocating; the upper end of upper cover 2 is provided with water inlet nozzle and faucet, and the water inlet nozzle design of upper cover 2 has pressure boost groove A, when can increase into water, water is to diaphragm 4's pressure to further improve the leakproofness.

It should be noted that, the utility model relates to a drip-proof micro water pump, before using, the water pump of the utility model is installed at the working position and is connected with direct current, during operation, the motor 18 is powered on and rotates to drive the eccentric wheel 17 to rotate together, the eccentric wheel 17 drives the inclined hole to be fixed in the steel needle 13 and the steel ball 16 on the swing frame 12 to move, thereby the swing frame 12 and the leather cup 10 do reciprocating up and down swing motion in the cylinder body 11, the leather cup 10 has 5 independent cavities, when the leather cup 10 moves up and down, the water is pumped at the upper cover water inlet nozzle, the water enters the valve plate 8 water inlets and the rubber umbrella butyl 9 through the middle plate 5 water inlet to enter the diaphragm 10, then the compressed liquid passes through the valve plate 8 and the rubber valve plate 7 and the middle plate 5 water outlet hole and washes out the diaphragm 4 and the upper cover 2 and is discharged through the water outlet nozzle, the leather cup 10 does reciprocating motion, thereby the liquid in the compression and, can form suction at 2 water inlets of upper cover, realize the function of drawing water, when stopping drawing water, 2 pressure boost chambeies of upper cover and spring 3 are used in diaphragm 4, make diaphragm 4 and 5 sealing lines of medium plate seal up completely, realize liquid anti-reflux function.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drip proof miniature pump, includes upper cover (2) and motor (18), its characterized in that: the upper end of the upper cover (2) is connected with five upper cover screws (1) in a threaded manner, the lower end of the upper cover (2) is fixedly connected with a diaphragm (4), a spring (3) is fixedly connected between the upper cover (2) and the diaphragm (4), one end of the diaphragm (4) far away from the upper cover (2) is fixedly connected with a middle plate (5), one end of the middle plate (5) far away from the diaphragm (4) is provided with a valve plate (8), one end of the valve plate (8) far away from the diaphragm (4) is fixedly connected with a cylinder body (11), one end of the cylinder body (11) far away from the valve plate (8) is fixedly connected with a bottom cover (15), and the bottom cover (15) is internally provided with a swing frame (12), a steel needle (13) and two bottom cover screws (14), and one end of the bottom cover (15) far away from the valve plate (8) is fixedly connected to the upper end of the motor (18).

2. The drip resistant micro water pump of claim 1, wherein: middle plate (5) and valve plate (8) fixed connection, and be provided with a rubber valve block (7) and a seal ring (6) between middle plate (5) and valve plate (8) jointly, fixed mounting is inlayed in valve plate (8) upper end in seal ring (6), and seal ring (6) upper end middle part sets up the round hole of a right side downhill break-over, rubber valve block (7) are located the round hole at seal ring (6) middle part, the apopore of a upper and lower break-over is seted up at middle plate (5) upper end middle part.

3. The drip resistant micro water pump of claim 1, wherein: five mounting grooves have been seted up at cylinder body (11) upper end middle part, and the common interlude is connected with a leather cup (10) in the mounting groove, all interlude in five bowl inslots of leather cup (10) upper end connects umbrella butyl (9), set up on valve plate (8) with the communicating 20 inlet openings of umbrella butyl (9) and leather cup (10).

4. The drip resistant micro water pump of claim 1, wherein: the output end of the motor (18) is fixedly connected with an eccentric wheel (17), the eccentric wheel (17) and the swing frame (12) are both located in an inner cavity of the bottom cover (15), the swing frame (12) and the motor (18) are fixedly connected with the bottom cover (15) through two bottom cover screws (14), a steel ball (16) and a steel needle (13) are fixedly mounted in an inclined hole in the upper end of the eccentric wheel (17), and the upper end of the steel needle (13) is fixedly connected to the middle of the lower end of the swing frame (12).

5. The drip resistant micro water pump of claim 1, wherein: the upper end of the upper cover (2) is provided with a water inlet nozzle and a water outlet nozzle, and the water inlet nozzle of the upper cover (2) is provided with a pressurizing groove (A).