CN217107378U

CN217107378U - Novel miniature diaphragm pump

Info

Publication number: CN217107378U
Application number: CN202220907746.0U
Authority: CN
Inventors: 陈敬
Original assignee: Jiangmen Shikang Technology Co ltd
Current assignee: Jiangmen Shikang Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a novel micro diaphragm pump, a medium inlet cavity is formed between a pump cover and a valve seat; a medium outlet cavity is formed in the valve seat; a medium inlet pipe and a medium outlet pipe are formed on the pump cover and are respectively communicated with the medium inlet cavity and the medium outlet cavity; go out the medium chamber and be provided with antidrip medium valve with the exit position that goes out the medium union coupling, this antidrip medium valve includes: the fixed part is fixedly arranged in the medium outlet pipe, the medium stopping rubber plug is arranged at the outlet of the medium outlet cavity, a spring is arranged between the fixed part and the medium stopping rubber plug, and a boss which is propped against the lower end of the medium stopping rubber plug is formed at the lower edge of the outlet of the medium outlet cavity, so that the opening direction of the medium stopping rubber plug is consistent with the medium discharging direction; the utility model discloses a design has antidrip structure and adhesion-preventing structure, can effectually avoid appearing the medium body under the condition that the pump body is not used and drip out from the pump body and cause the condition of leaking the medium, and can avoid umbrella-type valve block because of the pastiness phenomenon that the medium volatilizees and lead to after, ensured stability and the uniformity that the product used, improve life.

Description

Novel miniature diaphragm pump

Technical Field

The utility model belongs to the technical field of miniature diaphragm pump, a novel miniature diaphragm pump is related to.

Background

The miniature diaphragm pump is driven by a motor to move circularly, and a mechanical device drives a diaphragm in the pump to do reciprocating motion, so that air in a pump cavity is compressed and stretched, pressure difference is generated between a water outlet hole or a water inlet and the external atmospheric pressure under the action of a one-way valve plate, and water is pressed into the water inlet and then discharged from a water outlet under the action of the pressure difference. The miniature diaphragm pump is well applied to occasions such as small household appliances, medical appliances and the like. Because the medium that gets into in the miniature diaphragm pump has certain pressure, these medium bodies that have certain pressure can be from intaking end to play water end leakage by oneself and come out when the pump is out of work, produce the phenomenon of drippage, influence the result of use.

SUMMERY OF THE UTILITY MODEL

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

a novel miniature diaphragm pump, the diaphragm pump comprising: the working part and the driving part provide working power for the working part;

the working part comprises a pump cover, a valve seat and a bag seat which are connected in sequence;

a medium inlet cavity is formed between the pump cover and the valve seat; a medium outlet cavity is formed in the valve seat; a medium inlet pipe and a medium outlet pipe are formed on the pump cover and are respectively communicated with the medium inlet cavity and the medium outlet cavity;

go out the medium chamber and be provided with antidrip medium valve with the exit position that goes out the medium union coupling, this antidrip medium valve includes: the fixed part is fixedly arranged in the medium outlet pipe, the medium stopping rubber plug is arranged at the outlet of the medium outlet cavity, a spring is arranged between the fixed part and the medium stopping rubber plug, and a boss which is propped against the lower end of the medium stopping rubber plug is formed at the lower edge of the outlet of the medium outlet cavity, so that the opening direction of the medium stopping rubber plug is consistent with the medium discharging direction;

the valve seat is provided with a plurality of medium inlet ports, the opening ends of the medium inlet ports are communicated with the medium inlet cavity, the tail ends of the medium inlet ports are provided with umbrella-shaped valve plates, and the opening direction of the umbrella-shaped valve plates is consistent with the liquid inlet direction;

a compression component is arranged in the bag seat and is embedded at the lower end of the valve seat; the compression assembly comprises a fixed plate buckled at the lower end of the valve seat, three groups of independently arranged leather cups are arranged on the fixed plate, and the leather cups are circularly arranged around the central position of the fixed plate to form a plum petal-shaped triplet leather cup group; the upper end of the fixed plate is provided with connecting looping corresponding to the number of the leather cups, two ends of the connecting looping are respectively connected with the liquid inlet cavity and the leather cups, and the leather cups are wrapped on the connecting looping; a liquid outlet communicated with the liquid outlet cavity is formed in the connecting sleeve opening, a diaphragm valve is arranged on the liquid outlet, and the opening direction of the diaphragm valve is consistent with the liquid inlet direction;

the drive section includes: the driving motor, the eccentric wheel, the swing frame and the connecting rod are arranged; the eccentric wheel is installed on driving motor's output shaft, and the eccentric wheel passes through the connecting rod and is connected with the rocker, and the other end narrowing formation rod-shaped structure of leather cup among the compression component realizes being connected with the rocker.

As a further aspect of the present invention: the number of the leather cups in the compression assembly is at least three groups, and the leather cups are circularly arranged around the central position of the fixed plate to form a plum petal-shaped triplet leather cup group.

As a further aspect of the present invention: the liquid inlet is of a blind hole type structure, and the central position of the bottom of the liquid inlet is provided with a mounting hole for mounting the umbrella-shaped valve plate and a plurality of liquid inlet holes arranged around the mounting hole;

the umbrella-shaped valve plate consists of a connecting rod and a valve plate body, and the umbrella-shaped valve plate is arranged in the liquid inlet through the connecting rod.

As a further aspect of the present invention: the anti-leakage structure is composed of an anti-leakage convex ring and an anti-leakage groove corresponding to the anti-leakage convex ring, and the anti-leakage convex ring is embedded into the anti-leakage groove to realize tight connection during installation.

As a further aspect of the present invention: the drive portion further includes: a connecting shell which is embedded outside the swing frame is installed, and the connecting shell is connected with the driving motor through a connecting screw;

the pump cover, the valve plate, the valve seat, the bag seat and the connecting shell assembly are fixedly connected into a whole through screws.

The utility model has the advantages that: the suction structure that adopts mainly to constitute by pump cover, disk seat (rubber leather cup structure) and bag seat has better leakproofness, can produce stronger suction, can regard as air pump and liquid pump to use, still has simultaneously:

1. the anti-leakage structure mainly comprises a spring, a medium stop rubber plug, a pump cover and a valve seat, and can effectively avoid medium leakage caused by the fact that a medium body drips out of the pump body when the pump body is not used, and improve the stability of the miniature diaphragm pump in the using process;

2. the anti-sticking structure is a diaphragm compression and stretching suction structure mainly composed of a valve and a compression assembly (leather cup), so that the stickiness phenomenon caused by volatilization of a medium of the umbrella-shaped valve plate can be avoided, the umbrella-shaped valve plate can be smoothly opened during next work, the stability and consistency of product use are ensured, the water pump can normally work, and the service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the anti-adhesion structure of the present invention.

Fig. 3 is a schematic view of the drip-proof structure of the present invention.

Fig. 4 is a schematic structural diagram of the pump cover of the present invention.

Fig. 5 is another schematic structural diagram of the pump cover of the present invention.

Fig. 6 is a schematic structural diagram of the valve seat of the present invention.

Fig. 7 is a schematic view of another structure of the valve seat of the present invention.

Fig. 8 is a schematic structural diagram of the middle compression assembly of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and it should be understood that the present application is not limited to the example embodiments disclosed and described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "level", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model provides a please refer to fig. 1 ~ 8, in the embodiment of the utility model, a novel miniature diaphragm liquid pump, this diaphragm liquid pump includes: a working part 1 and a driving part 8 for providing working power for the working part 1;

the working part 1 comprises a pump cover 2, a valve seat 4 and a bag seat 5 which are connected in sequence;

a liquid inlet cavity 23 is formed between the pump cover 2 and the valve seat 4; a liquid outlet cavity 46 is formed in the valve seat 4; a liquid inlet pipe 21 and a liquid outlet pipe 22 which are respectively communicated with the liquid inlet cavity 23 and the liquid outlet cavity 46 are formed on the pump cover 2;

the valve seat 4 is provided with a plurality of liquid inlets 42, the open ends of the liquid inlets 42 are communicated with the liquid inlet cavity 23, the tail ends of the liquid inlets are provided with umbrella-shaped valve plates 7, and the opening direction of the umbrella-shaped valve plates 7 is consistent with the medium inlet direction;

a compression component 6 is arranged in the capsule seat 5, and the compression component 6 is embedded at the lower end of the valve seat 4; the compression assembly 6 comprises a fixed plate 62 buckled at the lower end of the valve seat 4, a plurality of independently arranged leather cups 61 (the number of the leather cups 61 is the same as that of the medium inlet openings 42 in the valve seat 4) are arranged on the fixed plate 62, the upper end of the fixed plate 62 is provided with a connecting sleeve opening 63 corresponding to the number of the leather cups 61, two ends of the connecting sleeve opening 63 are respectively connected with the medium inlet cavity 23 and the leather cups 61, and the leather cups 61 wrap the connecting sleeve opening 63, so that the sealing performance between the leather cups 61 and the connecting sleeve opening 63 is better, and strong self-sucking capacity can be generated; a medium outlet (not shown) communicated with the medium outlet cavity 46 is formed in the connecting sleeve opening 63, a diaphragm valve (not shown) is arranged on the medium outlet, and the opening direction of the diaphragm valve is consistent with the medium inlet direction;

the leather cup 61 with the bowl-shaped structure is matched with the connecting sleeve opening 63, so that the leather cup 61 is matched with the medium outlet cavity 46 of the valve seat 4 more tightly, the deformation stroke of the leather cup 61 is increased, the integral suction force is stronger when the leather cup 61 is in diastole, the sticky phenomenon caused by volatilization of a medium of the umbrella-shaped valve block 7 can be avoided, and the umbrella-shaped valve block 7 can be opened smoothly in the next working process.

The drive section 8 includes: a driving motor 13, an eccentric wheel 11, a swing frame 9 and a connecting rod 10; the eccentric wheel 11 is arranged on an output shaft of the driving motor 13, the eccentric wheel 11 is connected with the swing frame 9 through the connecting rod 10, and the other end of the leather cup 61 in the compression assembly 6 is narrowed to form a rod-shaped structure to be connected with the swing frame 9; the during operation drives with driving motor 13, realizes tightening up and the work of relaxing of packing cup 61 in the compression component 6 under the effect through eccentric wheel 11, rocker 9 and connecting rod 10, and then realizes realizing the diaphragm suction work of the pump body by packing cup 61, the effectual work effect that realizes antiseized suction.

The working principle of the micro diaphragm pump is as follows: the compression component 6 is driven to work through the driving motor 13, when the leather cup 61 of the compression component 6 is relaxed, a certain suction force is generated in the leather cup 61, a medium body is sucked from the medium inlet pipe 21 and enters from the medium inlet 42 through the medium inlet cavity 23, at the moment, the umbrella-shaped valve plate 7 on the medium inlet 42 opens the medium inlet, and the medium body enters the leather cup 61;

then the driving motor 13 drives the leather cup 61 of the compression component 6 to tighten and discharge the medium, at the moment, the diaphragm valve is opened, and the medium body enters the medium outlet cavity 46 from the leather cup 61 through the medium outlet; the drip-proof medium valve is opened and discharged through the medium outlet pipe 22, completing the suction action.

The anti-adhesion structure provides a novel micro diaphragm pump with an anti-adhesion effect.

Example two:

compared with the technical scheme, the novel miniature diaphragm pump in the embodiment has an anti-adhesion structure to realize an anti-adhesion effect and also has a drip-proof structure, as shown in fig. 3, the drip-proof structure includes: set up in a media chamber 46 and go out the anti-drip media valve of the export position that medium pipe 22 is connected, this anti-drip media valve includes: fixed mounting 14 that sets up in going out medium pipe 22, set up in the ending medium plug 16 that goes out the exit position of medium chamber 46, mounting 14 and end be provided with spring 15 between the medium plug 16, and the export of going out medium chamber 46 is along the shaping have with the boss that ends medium plug 16 lower extreme offseting, make the direction of opening that ends medium plug 16 unanimous with arrange the medium direction, realize the one-way control structure, simultaneously at the in-process of work, spring 15 can only be repaiied and hold 16 inseparable tops of plug and press in the exit position of going out medium chamber 46, avoid appearing the drip funnel condition under the pump body inoperative condition, improve the encapsulated situation of the pump body.

Through the anti-adhesion structure of this antidrip structure cooperation above-mentioned record together, provide a novel miniature diaphragm pump that has antiseized even, antidrip effect.

Further, the number of the leather cups 61 in the compression assembly 6 can be three, and the leather cups 61 are circularly arranged around the center position of the fixed plate 62 to form a plum petal-shaped triplet leather cup group, and it should be noted that, in the actual application process, the number of the leather cups 61 in the compression assembly 6 can be correspondingly changed according to the actual requirement, and the leather cup groups with the number of the diads, the tetrads and the like can be arranged.

Further, the medium inlet 42 is a blind hole structure, and a mounting hole 43 for mounting the umbrella-shaped valve plate 7 and a plurality of liquid inlet holes 44 arranged around the mounting hole 43 are formed in the center of the bottom of the medium inlet 42.

Further, a valve plate 3 is additionally arranged between the pump cover 2 and the valve seat 4, a leakage-proof structure is formed between the valve plate 3 and the pump cover 2 and between the valve seat 4, the leakage-proof structure is composed of a leakage-proof convex ring 24 and a leakage-proof groove 45 corresponding to the leakage-proof convex ring 24, and when the leakage-proof structure is installed, the leakage-proof convex ring 24 is embedded into the leakage-proof groove 45 to realize tight connection; make the whole leakproofness between pump cover 2 and the disk seat 4 stronger through valve plate 3 and leak protection structure, avoid appearing the condition that the side leaks the medium.

Further, the driving section 8 further includes: a connecting shell 12 which is embedded outside the swing frame 9 is installed, and the connecting shell 12 is connected with the driving motor 13 through a connecting screw;

the pump cover 2, the valve plate 3, the valve seat 4, the capsule seat 5 and the connecting shell 12 are fixedly connected into a whole through screws to form a complete pump body structure.

It is further 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel miniature diaphragm pump, its characterized in that includes: the working part and the driving part provide working power for the working part;

the valve seat is provided with a plurality of medium inlet ports, the opening ends of the medium inlet ports are communicated with the medium inlet cavity, the tail ends of the medium inlet ports are provided with umbrella-shaped valve plates, and the opening direction of the umbrella-shaped valve plates is consistent with the medium inlet direction;

a compression component is arranged in the bag seat and is embedded at the lower end of the valve seat; the compression assembly comprises a fixed plate buckled at the lower end of the valve seat, three groups of independently arranged leather cups are arranged on the fixed plate, and the leather cups are circularly arranged around the central position of the fixed plate to form a plum petal-shaped triplet leather cup group; the upper end of the fixed plate is provided with connecting loopers corresponding to the number of the leather cups, the two ends of each connecting looper are respectively connected with the liquid inlet cavity and the leather cups, and the leather cups are wrapped on the connecting loopers; a medium outlet communicated with the medium outlet cavity is formed in the connecting sleeve opening, a diaphragm valve is arranged on the medium outlet, and the opening direction of the diaphragm valve is consistent with the medium inlet direction;

2. A novel miniature diaphragm pump, its characterized in that includes: the working part and the driving part provide working power for the working part;

a compression component is arranged in the bag seat and is embedded at the lower end of the valve seat; the compression assembly comprises a fixed plate buckled at the lower end of the valve seat, three groups of independently arranged leather cups are arranged on the fixed plate, and the leather cups are circularly arranged around the central position of the fixed plate to form a plum petal-shaped triplet leather cup group; the upper end of the fixed plate is provided with connecting looping corresponding to the number of the leather cups, two ends of the connecting looping are respectively connected with the medium inlet cavity and the leather cups, and the leather cups are wrapped on the connecting looping; a medium outlet communicated with the medium outlet cavity is formed in the connecting sleeve opening, a diaphragm valve is arranged on the medium outlet, and the opening direction of the diaphragm valve is consistent with the medium inlet direction; the drive section includes: the driving motor, the eccentric wheel, the swing frame and the connecting rod are arranged; the eccentric wheel is installed on driving motor's output shaft, and the eccentric wheel passes through the connecting rod and is connected with the rocker, and the other end narrowing formation rod-shaped structure of leather cup among the compression component realizes being connected with the rocker.

3. The novel micro diaphragm pump according to any one of claims 1 or 2, wherein the medium inlet is a blind hole type structure, and a mounting hole for mounting the umbrella valve plate and a plurality of medium inlet holes arranged around the mounting hole are formed in the center of the bottom of the medium inlet.

4. A novel micro diaphragm pump according to any one of claims 1 or 2, wherein a valve plate is additionally arranged between the pump cover and the valve seat, a leakage-proof structure is arranged between the valve plate and the pump cover and between the valve seat and the valve cover, the leakage-proof structure is composed of a leakage-proof convex ring and a leakage-proof groove corresponding to the leakage-proof convex ring, and the leakage-proof convex ring is embedded into the leakage-proof groove to realize tight connection during installation.

5. The novel miniature diaphragm pump of claim 4 wherein the drive section further comprises: a connecting shell which is embedded outside the swing frame is installed, and the connecting shell is connected with the driving motor through a connecting screw;