CN210343663U

CN210343663U - Improved pump device

Info

Publication number: CN210343663U
Application number: CN201921103652.2U
Authority: CN
Inventors: 向连玉
Original assignee: Shenzhen Skoocom Electronic Co ltd
Current assignee: Shenzhen Skoocom Electronic Co ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-17
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses an improved pump device, which comprises a motor base, a motor, a driving component, a compression component and a pump head component, wherein the motor base is provided with an accommodating cavity; the motor is provided with a motor which extends into the accommodating cavity from the outside of the motor base; one end of the driving component is connected with the motor and is arranged in the accommodating cavity; the compression component is connected to the other end of the driving component and covers the motor base to seal the accommodating cavity; the pump head subassembly sets up and is formed with first transfer chamber and second transfer chamber on compression assembly with compression assembly is sealed, and the pump head subassembly has the inlet channel who communicates to first transfer chamber and communicates to the outlet channel in second transfer chamber, is equipped with the check valve that is used for sealing or communicates second transfer chamber in the outlet channel. The utility model provides an improvement type pump unit can be waterproof water clock with the reduction running cost, and its structure that forms into an organic whole can reduce its structural cost and save space.

Description

Improved pump device

Technical Field

The utility model relates to a pump class technical field, concretely relates to improvement type pump unit.

Background

The pump makes the interior of the pump do reciprocating motion through an internal mechanical device, vacuum or negative pressure can be continuously formed at the suction nozzle, and positive pressure is formed at the exhaust nozzle; the working medium is mainly gas or liquid and is mainly used in household appliances and medical equipment.

When the existing water pump operates, the water leakage phenomenon is easily caused, and when some equipment for controlling the water leakage is externally connected, the operation and structure cost of the existing water pump is easily increased.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. To this end, an object of the present invention is to provide an improved pump device, including:

the motor base is provided with an accommodating cavity;

the motor is fixed outside the motor base and is positioned at the bottom of the motor base;

the driving assembly is arranged in the accommodating cavity, and one end of the driving assembly penetrates through the bottom of the motor base and is connected to the motor;

the compression assembly is connected to the other end of the driving assembly and covers the motor base to seal the accommodating cavity;

the pump head assembly is arranged on the compression assembly and is sealed with the compression assembly to form a first transfer cavity and a second transfer cavity, the pump head assembly is provided with an air inlet channel communicated to the first transfer cavity and an air outlet channel communicated to the second transfer cavity, a one-way valve used for sealing or communicating the second transfer cavity is arranged in the air outlet channel, and the one-way valve controls one-way communication from the second transfer cavity to the air outlet channel.

Preferably, according to an embodiment of the present invention, the driving assembly includes:

the bottom of the eccentric wheel is connected with the motor;

the one end of the inclined pin is connected to the top of the eccentric wheel;

the bottom of the swing frame is connected to the other end of the inclined pin, and the top of the swing frame is provided with at least two swing parts.

Preferably, according to an embodiment of the present invention, the compression assembly includes:

the bottom of the diaphragm seat is connected with the motor seat so as to seal the driving assembly in the accommodating cavity, at least two leather cups which are sunken towards the direction of the driving assembly are arranged on the diaphragm seat, and the bottoms of the leather cups are provided with connecting parts which are in one-to-one correspondence connection with the swinging parts;

the bottom of the diaphragm cover covers the top of the diaphragm seat, at least two grooves which correspond to the leather cups one to one are formed at the bottom of the diaphragm cover, and the grooves are tightly attached to the tops of the leather cups to form at least two pump chambers;

and a first through hole and a second through hole which are in one-to-one correspondence with the pump chambers are formed in the groove in a manner of penetrating through the diaphragm cover.

Preferably, according to an embodiment of the present invention, the first through hole is located at a center of a horizontal plane of the groove to communicate with the first relay chamber and the pump chamber, and the first through hole is provided with an umbrella valve for opening or closing the first through hole; the second through hole is positioned at the edge of the horizontal plane of the groove to be communicated with the second transfer cavity and the pump chamber, and a valve plate covering the second through hole is arranged at the top of the diaphragm cover;

when the air pressure in the first transfer cavity is higher than the pressure in the pump chamber, the umbrella-shaped valve opens the first through hole to enable air to enter the pump chamber from the first transfer cavity; when the air pressure in the pump chamber is greater than the first transfer chamber and the second transfer chamber, the umbrella-shaped valve closes the first through hole, and the valve plate opens the second through hole so that air enters the second transfer chamber from the pump chamber.

Preferably, according to the utility model discloses an embodiment, the pump head subassembly include the pump seat with set up in the pump cover at pump seat top, the pump seat bottom is formed with two sunk structures, the pump seat bottom connect in the diaphragm lid to make two sunk structures seal to form and not communicate with each other first transfer chamber with the second transfer chamber.

Preferably, according to an embodiment of the present invention, the pump seat is provided with an air inlet and a first air outlet disposed opposite to the air inlet, the air inlet penetrates through the pump cover, and the air inlet is communicated to the first transfer chamber through the air inlet channel; the second air outlet formed in the pump cover is communicated to the air outlet channel, and the air outlet channel is communicated with the second transfer cavity through the first air outlet.

Preferably, according to an embodiment of the present invention, the check valve includes an elastic member and a rubber plug, one end of the elastic member is disposed in the air outlet channel, and the other end of the elastic member is connected to the rubber plug, so that the rubber plug elastically moves in the air outlet channel;

when the air pressure in the second transfer cavity is higher than the air outlet channel pressure, the rubber plug opens the first air outlet so that the air in the second transfer cavity enters the air outlet channel; when the air pressure in the second transfer cavity is less than or equal to the air pressure of the air outlet channel, the elastic piece pushes the rubber plug to close the first air outlet.

Preferably, according to an embodiment of the present invention, the pump head assembly further comprises a bolt, the bolt sequentially penetrates through the pump head assembly and the compression assembly is connected to the motor base to form a whole.

The utility model provides an improvement type pump unit, adopt the motor to drive the drive assembly motion, thereby drive assembly drive compression assembly is in order to realize vacuum or negative pressure, wherein, pump head assembly sets up on compression assembly with compression assembly seals to be formed with first transfer chamber and second transfer chamber, and be equipped with the inlet channel who communicates to first transfer chamber and communicate to the outlet channel in second transfer chamber, the check valve that sets up in outlet channel can control the second in the closure in transfer chamber and open, when as the water pump operation, thereby the check valve can its water state of effective control go out waterproof drip with reduction running cost, and set up the check valve and form into an organic whole structure in outlet channel in order to reduce its structure cost and can save space.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a novel pump arrangement provided in an embodiment of the present invention;

fig. 2 is an exploded view of the novel pump assembly provided in an embodiment of the present invention;

fig. 3 is another exploded view of the novel pump assembly provided in an embodiment of the present invention;

fig. 4 is an exploded view of another perspective of the novel pump assembly provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a diaphragm cover provided in an embodiment of the present invention.

The reference numbers illustrate:

10. a motor; 20. a motor base; 201. an accommodating cavity; 30. a drive assembly; 301. an eccentric wheel; 302. a swing frame; 303. a tilt pin; 304. a swing portion; 40. a compression assembly; 401. a diaphragm seat; 402. a leather cup; 403. a connecting portion; 404. a diaphragm cover; 4041. a first through hole; 4042. a groove; 4043. a second through hole; 405. an umbrella valve; 406. a valve plate; 50. a pump head assembly; 501. a pump mount; 5011. a first air outlet; 5012. an air inlet; 5013. a first transfer chamber; 5014. a second transfer chamber; 5015. an air intake passage; 502. a pump cover; 5021. a second air outlet; 5022. an air outlet channel; 60. a one-way valve; 601. an elastic member; 602. a rubber plug; 70. and (4) bolts.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown 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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The improved pump device according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, an improved pump device according to an embodiment of the present invention includes a motor base 20, a motor 10, a driving assembly 30, a compressing assembly 40, and a pump head assembly 50, wherein the motor base 20 is formed with a receiving cavity 201; the motor 10 is fixed outside the motor base 20 and is positioned at the bottom of the motor base 20; the driving assembly 30 is disposed in the accommodating cavity 201, and one end of the driving assembly penetrates through the bottom of the motor base 20 and is connected to the motor 10; the compressing assembly 40 is connected to the other end of the driving assembly 30 and covers the motor base 20 to close the accommodating cavity 201; the pump head assembly 50 is disposed on the compressing assembly 40 and sealed with the compressing assembly 40 to form a first relay chamber 5013 and a second relay chamber 5014, the pump head assembly 50 has an air inlet passage 5015 communicated with the first relay chamber 5013 and an air outlet passage 5022 communicated with the second relay chamber 5014, a check valve 60 for sealing or communicating the second relay chamber 5014 is disposed in the air outlet passage 5022, and the check valve 60 controls one-way conduction from the second relay chamber 5014 to the air outlet passage 5022.

The utility model provides an improvement type pump unit, adopt motor 10 to drive assembly 30 motion, thereby drive assembly 30 drive compression assembly 40 is in order to realize vacuum or negative pressure, wherein, pump head assembly 50 sets up and is formed with first transfer chamber 5013 and second transfer chamber 5014 with compression assembly 40 is sealed on compression assembly 40, and be equipped with the inlet channel 5015 that communicates to first transfer chamber 5013 and communicate to the outlet channel 5022 of second transfer chamber 5014, the check valve 60 that sets up in outlet channel 5022 can control the closure and the opening of second transfer chamber 5014, when moving as the water pump, thereby check valve 60 can its water outlet state of effective control water leakage in order to reduce the running cost, and set up check valve 60 and form as an organic whole structure in outlet channel 5022 in order to reduce its structure cost and can save the space.

Referring to fig. 1 and 3, the driving assembly 30 includes: the bottom of the eccentric wheel 301 is connected with the motor 10; one end of the inclined pin 303 is connected with the top of the eccentric wheel 301; and a swing frame 302, wherein the bottom of the swing frame 302 is connected with the other end of the inclined pin 303, and the top of the swing frame 302 is provided with at least two swing parts 304. The motor 10 drives the eccentric wheel 301 to rotate through the shaft of the motor 10, and the eccentric wheel 301 can rotate around the shaft of the motor 10 under the driving of the deflection wheel through the swing frame 302 connected with the inclined pin 303, so as to drive the compression assembly 40 to compress air.

Referring to fig. 1 and 3 to 5, the compressing assembly 40 includes: the bottom of the diaphragm seat 401 is connected to the motor seat 20 to seal the driving assembly 30 in the accommodating cavity 201, at least two leather cups 402 recessed towards the driving assembly 30 are arranged on the diaphragm seat 401, and the bottoms of the leather cups 402 are provided with connecting parts 403 which are in one-to-one corresponding connection with the swinging parts 304; the bottom of the diaphragm cover 404 covers the top of the diaphragm seat 401, at least two grooves 4042 corresponding to the leather cups 402 one by one are formed at the bottom of the diaphragm cover 404, and the grooves 4042 are tightly attached to the top of the leather cups 402 to form at least two pump chambers; the groove 4042 is provided with a first through hole 4041 and a second through hole 4043 which are in one-to-one correspondence with the pump chambers and penetrate through the diaphragm cover 404. In the embodiment of the present invention, when the above-mentioned swing frame 302 moves, the swing portion 304 at the top of the swing frame 302 can drive the connecting portion 403 to move, and the cup 402 is driven by the connecting portion 403 to compress the air in the pump chamber, so that the air pressure in the pump chamber is increased.

Further, a first through hole 4041 is located at the center of the horizontal plane of the groove 4042 to communicate with the first relay chamber 5013 and the pump chamber, and the first through hole 4041 is provided with an umbrella valve 405 for opening or closing the first through hole 4041; the second through hole 4043 is located at the edge of the horizontal plane of the groove 4042 to be communicated with the second transfer cavity 5014 and the pump chamber, and the top of the diaphragm cover 404 is provided with a valve plate 406 covering the second through hole 4043; wherein when the pressure of the air in the first relay chamber 5013 is greater than the pressure in the pump chamber, the umbrella valve 405 opens the first through hole 4041 to allow air from the first relay chamber 5013 to enter the pump chamber; when the air pressure in the pump chamber is higher than the first relay chamber 5013 and the second relay chamber 5014, the umbrella-shaped valve 405 closes the first through hole 4041, and the valve sheet 406 opens the second through hole 4043 so that air enters the second relay chamber 5014 from the pump chamber.

The utility model discloses an in the embodiment, through the cyclic motion of leather cup 402, thereby make the air in the pump chamber circulate through first through-hole 4041 and admit air, and the air in the pump chamber can circulate through second through-hole 4043 and give vent to anger, that is to say, the valve block 406 can be pushed to the pressure increase when the air in the pump chamber is compressed and make in the air gets into second transfer chamber 5014, after air escape, valve block 406 closes, leather cup 402 recycles and compresses, thereby realize its synchronous working, strengthen its work efficiency greatly.

Referring to fig. 1, 3 and 4, the pump head assembly 50 includes a pump base 501 and a pump cover 502 disposed on the top of the pump base 501, two concave structures are formed on the bottom of the pump base 501, and the bottom of the pump base 501 is connected to the diaphragm cover 404, so that the two concave structures are sealed to form a first relay cavity 5013 and a second relay cavity 5014 which are not communicated with each other.

Further, the pump base 501 is provided with an air inlet 5012 and a first air outlet 5011 which is arranged oppositely, the air inlet 5012 penetrates through the pump cover 502, and the air inlet 5012 is communicated to the first transfer cavity 5013 through an air inlet passage 5015; the second air outlet 5021 on the pump cover 502 is communicated with the air outlet channel 5022, and the first air outlet 5011 communicates the air outlet channel 5022 with the second transfer cavity 5014. The embodiment of the utility model provides an in, pump seat 501 and pump cover 502 sealing connection to first gas outlet 5011 is by the cladding of outlet channel 5022 and seals, and check valve 60 that sets up at outlet channel 5022 then can control first gas outlet 5011 intercommunication or seal, and in the repeated process of admitting air and giving vent to anger, can open or close first gas outlet 5011 in step, thereby give vent to anger and the compression action.

Referring to fig. 3, the check valve 60 includes an elastic member 601 and a rubber plug 602, one end of the elastic member 601 is disposed in the air outlet channel 5022, and the other end is connected to the rubber plug 602, so that the rubber plug 602 elastically moves in the air outlet channel 5022; when the pressure of air in the second transfer cavity 5014 is higher than that of the air outlet channel 5022, the rubber plug 602 opens the first air outlet 5011, so that the air in the second transfer cavity 5014 enters the air outlet channel 5022; when the air pressure in the second transfer cavity 5014 is less than or equal to the air pressure in the air outlet channel 5022, the elastic member 601 pushes the rubber plug 602 to close the first air outlet 5011.

The utility model discloses an in the embodiment, when the process of repeatedly admitting air and giving vent to anger, pressure increase when the air in the pump chamber is compressed, thereby can push away valve block 406 and make the air get into in the second transfer chamber 5014, and push away plug 602, make the air flow from air outlet channel 5022, after the air is discharged, elastic component 601 promotes plug 602 and seals first gas outlet 5011, when working as the water pump, plug 602 then can seal first gas outlet 5011, thereby can the water droplet leak.

Referring to fig. 3, a bolt 70 is further included, and the bolt 70 is connected to the motor base 20 to be integrated through the pump head assembly 50 and the compression assembly 40 in sequence. Wherein, connecting pump head assembly 50, compressing assembly 40 and motor cabinet 20 as an organic whole can save its holistic space to reduce its structural cost.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. An improved pump device, comprising:

the motor base is provided with an accommodating cavity;

2. The improved pump apparatus as claimed in claim 1, wherein said drive assembly includes:

the bottom of the eccentric wheel is connected with the motor;

the one end of the inclined pin is connected to the top of the eccentric wheel;

3. The improved pump apparatus as claimed in claim 2, wherein said compression assembly includes:

4. An improved pump device according to claim 3, characterised in that said first through hole is located in the centre of the level of said recess to communicate with said first transit chamber and said pump chamber, said first through hole being provided with an umbrella valve for opening or closing said first through hole; the second through hole is positioned at the edge of the horizontal plane of the groove to be communicated with the second transfer cavity and the pump chamber, and a valve plate covering the second through hole is arranged at the top of the diaphragm cover;

5. An improved pump device according to claim 3, characterized in that the pump head assembly comprises a pump base and a pump cover disposed on the top of the pump base, the bottom of the pump base is formed with two concave structures, and the bottom of the pump base is connected to the diaphragm cover, so that the two concave structures are sealed to form the first transfer chamber and the second transfer chamber which are not communicated with each other.

6. The improved pump device as claimed in claim 5, wherein the pump base is provided with an air inlet and a first air outlet opposite to the air inlet, the air inlet is disposed through the pump cover, and the air inlet is communicated to the first transfer chamber through the air inlet channel; the second air outlet arranged on the pump cover is opposite to the first air outlet so that the second air outlet is communicated to the air outlet channel, and the air outlet channel is communicated with the second transfer cavity through the first air outlet.

7. The improved pump device as claimed in claim 6, wherein the check valve comprises an elastic member and a rubber plug, one end of the elastic member is disposed in the air outlet channel, and the other end of the elastic member is connected to the rubber plug, so that the rubber plug can elastically move in the air outlet channel;

8. The improved pump apparatus as claimed in claim 1, further comprising a bolt connected to the motor mount in a single piece, in sequence, through the pump head assembly and the compression assembly.