CN216429888U

CN216429888U - Fluid conveying device capable of weakening vibration

Info

Publication number: CN216429888U
Application number: CN202122615162.4U
Authority: CN
Inventors: 刘玉宝; 刘春林
Original assignee: Zhongshan Jingding Electric Appliance Co ltd
Current assignee: Zhongshan Jingding Electric Appliance Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-03
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a can weaken fluid conveying device of vibration, it includes: a base part; the pump core assembly comprises a pump core main body and a reciprocating driving piece, wherein the pump core main body is arranged on the base portion, the pump core main body is provided with a pump cavity, a suction channel and an output channel, the suction channel and the output channel are communicated with the pump cavity, the reciprocating driving piece is movably arranged relative to the pump core main body, and when the reciprocating driving piece reciprocates, fluid can be driven to enter the pump cavity from the suction channel and enter the output channel from the pump cavity; a pump driver configured to drive the reciprocating drive member in a reciprocating motion; the pump core assemblies are arranged in pairs, two reciprocating driving pieces of the pump core assemblies in pairs are arranged along the left-right direction, and the reciprocating driving pieces can move along the left-right direction; the pump driver can drive the two reciprocating driving members of the pump core assembly to move in opposite movement directions respectively. The fluid delivery device is provided with the paired pump core assemblies and can reduce vibration.

Description

Fluid conveying device capable of weakening vibration

Technical Field

The utility model relates to a fluid conveying equipment, especially a can weaken fluid conveying device of vibration.

Background

The fluid pump drives the fluid in the pump cavity through the driving part, so that the fluid moves from the suction channel of the pump body to the pump cavity and then to the output channel, and the fluid is conveyed. To increase output capacity or to provide more functionality, some products may be provided with two or more fluid pumps. Each fluid pump generates vibration, which results in large overall vibration.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a can weaken fluid conveying equipment of vibration.

According to the utility model discloses can weaken fluid conveying device of vibration, it includes: a base part; the pump core assembly comprises a pump core main body and a reciprocating driving piece, the pump core main body is arranged on the base portion, the pump core main body is provided with a pump cavity, a suction channel and an output channel, the suction channel and the output channel are communicated with the pump cavity, the reciprocating driving piece is movably arranged relative to the pump core main body, and when the reciprocating driving piece reciprocates, fluid can be driven to enter the pump cavity from the suction channel and enter the output channel from the pump cavity; a pump driver configured to drive the reciprocating drive member in a reciprocating motion; the pump core assemblies are arranged in pairs, the two reciprocating driving pieces of the pump core assemblies in pairs are arranged along the left-right direction, and the reciprocating driving pieces can move along the left-right direction; the pump driver can drive the two reciprocating driving members of the pump core assembly to respectively move in opposite movement directions.

According to the utility model discloses can weaken fluid conveying equipment of vibration has following beneficial effect at least: by arranging the pump core assemblies in pairs on the base portion, each pump core assembly can realize fluid delivery, thereby providing better output capacity or realizing richer functions, and achieving the same functions as when a plurality of fluid pumps are adopted. The reciprocating driving pieces are adopted to drive the fluid, and the two reciprocating driving pieces of the paired pump core assemblies move in opposite directions, so that the vibration generated by the two reciprocating driving pieces during movement can be counteracted mutually, and the integral vibration is weakened.

According to some embodiments of the utility model, the pump core main part includes pedestal and diaphragm spare, the pedestal is provided with the concave part, the diaphragm spare closing cap the notch of concave part encloses with the concave part and becomes the pump chamber, the suction channel with output channel set up in the pedestal, the suction channel with communicate through first check valve between the pump chamber, the output channel with communicate through the second check valve between the pump chamber, first check valve configuration is to make fluid one-wayly follow the suction channel circulate to the pump chamber, the second check valve configuration is to make fluid follow the pump chamber circulates to one-wayly to output channel, reciprocating type driving piece with diaphragm spare is connected, can make during the reciprocating type driving piece motion diaphragm spare deforms so that the volume of pump chamber produces the change.

According to some embodiments of the utility model, the pump core subassembly is provided with two pump core main parts, two the interval sets up, two about the pump core main part relative setting about the diaphragm spare, reciprocating type driving piece sets up in two between the pump core main part, reciprocating type driving piece's both ends respectively with two the diaphragm spare is connected.

According to some embodiments of the invention, the reciprocating drive member is provided with a magnet portion, the pump driver comprises two electromagnets corresponding to two reciprocating drive members of the pump core assembly in one-to-one correspondence, the electromagnets being provided in the base portion.

According to some embodiments of the utility model, the electro-magnet is provided with two magnetic pole ends, two when the electro-magnet circular telegram magnetic pole end polarity is opposite, two the magnetic pole end is located respectively reciprocating driving piece's front and back side, magnet portion includes left magnet and right magnet, left side magnet with right side magnet is arranged along left right direction, left side magnet with two magnetic poles of right side magnet are towards the place ahead and rear respectively, left side magnet with the opposite direction that right side magnet polarity set up.

According to some embodiments of the invention, in pairs in the pump cartridge assembly: the polarities of the two left magnets are arranged in the same direction, the polarities of the two right magnets are arranged in the same direction, and the polarities of the two electromagnets are arranged in opposite directions when the electromagnets are electrified to generate a magnetic field; or, in the pair of pump cartridge assemblies: the polarities of the two left magnets are arranged in opposite directions, the polarities of the two right magnets are arranged in opposite directions, and the polarities of the two electromagnets are arranged in the same direction when the electromagnets are electrified to generate a magnetic field.

According to some embodiments of the invention, the base portion comprises a base, the base is provided with a first cavity and a second cavity separated from each other, the first cavity communicates with each suction channel, the second cavity communicates with each delivery channel, the base is provided with a fluid suction channel communicating with the first cavity, and a fluid delivery channel communicating with the second cavity.

According to some embodiments of the present invention, the base part comprises a base and a cover part, the cover part is connected to the base and encloses an accommodation space with the base, the pump cartridge assembly and the pump driver are arranged in the accommodation space.

According to some embodiments of the utility model, pump core main part fixed connection in the base, cover the somatic part be provided with the spacing groove of pump core main part one-to-one, pump core main part one-to-one is inserted and is located the spacing groove, the lateral wall all around of spacing groove with the cooperation is replaced to the pump core main part.

According to some embodiments of the invention, the base is provided with elastic feet.

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

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken in the direction K-K of the structure shown in FIG. 1;

FIG. 4 is a top view of the embodiment of the present invention with the cover portion removed;

fig. 5 is an exploded view of a pump core assembly and corresponding electromagnet according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view in the N-N direction of the structure shown in FIG. 1;

FIG. 7 is an enlarged schematic view at P of FIG. 6;

fig. 8 is a partial cross-sectional view of a base according to an embodiment of the present invention;

fig. 9 is a perspective view of the cover body according to the embodiment of the present invention.

Reference numerals:

the liquid crystal display device comprises a base part 100, a base 110, a cover part 120, a first cavity 101, a second cavity 102, a fluid suction channel 103, a fluid output channel 104, an accommodating space 105, elastic legs 111 and a limiting groove 121;

a pump core assembly 200, a pump core main body 210, a reciprocating driving member 220, a pump cavity 201, a suction channel 202, an output channel 203, a groove part 204, a seat body 211, a diaphragm member 212, a first one-way valve 213, a second one-way valve 214, a left magnet 221 and a right magnet 222;

pump actuator 300, electromagnet 310, pole tip 311.

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 only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the fluid transfer device includes a base portion 100, a pump cartridge assembly 200, and a pump driver 300. The pump core assembly 200 comprises a pump core main body 210 and a reciprocating driving member 220, wherein the pump core main body 210 is arranged on the base portion 100, the pump core main body 210 is provided with a pump cavity 201, a suction channel 202 and an output channel 203, the suction channel 202 and the output channel 203 are communicated with the pump cavity 201, the reciprocating driving member 220 is movably arranged relative to the pump core main body 210, and when the reciprocating driving member 220 reciprocates, fluid can be driven from the suction channel 202 into the pump cavity 201 and from the pump cavity 201 into the output channel 203. The pump driver 300 is configured to drive the reciprocating driver 220 in a reciprocating motion.

The pump core assemblies 200 are arranged in pairs, the two reciprocating driving pieces 220 of the pump core assemblies 200 in the pairs are arranged along the left-right direction, and the reciprocating driving pieces 220 can move along the left-right direction; the pump driver 300 is capable of driving the two reciprocating drives 220 of the pair of pump cartridge assemblies 200 to move in opposite directions, respectively. When the fluid delivery device described above works, referring to fig. 4, when the reciprocating driving element 220 on the left side moves to the left, the reciprocating driving element 220 on the right side moves to the right; when the reciprocating drive 220 on the left side moves to the right, the reciprocating drive 220 on the right side moves to the left.

By providing the pump core assemblies 200 in pairs in the base portion 100, each of the pump core assemblies 200 can achieve fluid delivery, thereby providing better output capacity or achieving a greater abundance of functions, which are the same as those achieved when a plurality of fluid pumps are used. The reciprocating driving member 220 is used to drive the fluid, and the two reciprocating driving members 220 of the pair of pump core assemblies 200 move in opposite directions, so that the vibration generated by the two reciprocating driving members 220 can cancel each other out, thereby reducing the overall vibration.

Referring to fig. 5 to 7, in an embodiment, the pump core main body 210 includes a seat body 211 and a diaphragm member 212, the seat body 211 is provided with a groove portion 204, the diaphragm member 212 covers a notch of the groove portion 204 and encloses a pump chamber 201 with the groove portion 204, a suction passage 202 and an output passage 203 are provided in the seat body 211, the suction passage 202 and the pump chamber 201 are communicated through a first one-way valve 213, the output passage 203 and the pump chamber 201 are communicated through a second one-way valve 214, the first one-way valve 213 is configured to allow a fluid to unidirectionally flow from the suction passage 202 to the pump chamber 201, the second one-way valve 214 is configured to allow a fluid to unidirectionally flow from the pump chamber 201 to the output passage 203, the reciprocating driving member 220 is connected to the diaphragm member 212, and the reciprocating driving member 220 can deform the diaphragm member 212 to change a volume of the pump chamber 201 when moving. When the pump chamber 201 becomes larger in volume, fluid will be sucked through the suction passage 202, and when the pump chamber 201 becomes smaller in volume, fluid will be discharged through the discharge passage 203. The provision of the first check valve 213 and the second check valve 214 ensures one-way flow of fluid. The diaphragm member 212 may be made of an elastic or flexible material so that deformation may be achieved. The pump cartridge assembly 200 described above is equivalent to forming a diaphragm-type pump device. In other embodiments, it is envisioned that the pump cartridge assembly 200 is not limited to a diaphragm-type configuration, and may be a plunger-type pump device, for example, which may be configured by one skilled in the art.

In an embodiment, the pump core assembly 200 is provided with two pump core main bodies 210, the two pump core main bodies 210 are arranged at a left-right interval, two membrane pieces 212 of the two pump core main bodies 210 are arranged opposite to each other at a left-right interval, the reciprocating driving piece 220 is arranged between the two pump core main bodies 210, and two ends of the reciprocating driving piece 220 are respectively connected with the two membrane pieces 212. The single core assembly 200 is provided with two core bodies 210, so that the stroke of the reciprocating motion of the reciprocating driving member 220 can be fully utilized to improve the fluid output capacity.

In an embodiment, two ends of the reciprocating driving member 220 are respectively connected to two diaphragm members 212, and the diaphragm members 212 are deformable, thereby realizing the movable arrangement of the reciprocating driving member 220. In other embodiments, when the pump core assembly 200 is in other configurations, the reciprocating driving member 220 may be movable relative to the pump core body 210 by other suitable moving arrangements, such as a sliding connection, and the sliding connection may be at the pump core body 210 or the base portion 100.

In an embodiment, the reciprocating driving member 220 is provided with a magnet portion, the pump driver 300 includes two electromagnets 310 corresponding to the two reciprocating driving members 220 of the pair of pump core assemblies 200 one by one, and the electromagnets 310 are provided to the base portion 100. When an alternating current is applied to the electromagnet 310, an alternating magnetic field is generated, and the reciprocating drive member 220 provided with the magnet portion can be driven to operate by the alternating magnetic field. The structure is simple and easy to implement. In other embodiments, the pump actuator 300 may take other configurations, such as linear actuators, e.g., an electric push rod, etc.

Referring to fig. 6, in the embodiment, the electromagnet 310 is provided with two magnetic pole ends 311, the two magnetic pole ends 311 have opposite polarities when the electromagnet 310 is energized, the two magnetic pole ends 311 are respectively located at the front and rear sides of the reciprocating driving member 220, the magnet portion includes a left magnet 221 and a right magnet 222, the left magnet 221 and the right magnet 222 are arranged in the left-right direction, the two magnetic poles of the left magnet 221 and the right magnet 222 face the front and the rear, respectively, and the polarities of the left magnet 221 and the right magnet 222 are arranged in opposite directions. When the electromagnet 310 is energized with an alternating current, the polarities of the two pole ends 311 of the electromagnet alternate, so as to attract or repel the left magnet 221 and the right magnet 222, and the reciprocating driving member 220 can move left and right.

In the embodiment, in the paired pump core assemblies 200, the two left magnets 221 are arranged in the same polarity direction, the two right magnets 222 are arranged in the same polarity direction, and the two electromagnets 310 are energized to generate magnetic fields, so that the polarities are arranged in opposite directions. Thus, in the above manner, the two reciprocating driving members 220 can be driven to move in opposite directions. In other embodiments, the polarities of the two electromagnets 310 may be arranged in the same direction when they are energized to generate magnetic fields, but the polarities of the left magnets 221 are arranged in the opposite direction and the polarities of the right magnets 222 are arranged in the opposite direction. The pump driver 300 drives the two reciprocating driving members 220 to move in opposite directions by adopting the structure mode, and the structure is simple and easy to implement.

It should be understood that, in the above description, the direction in which the polarity is set refers to the direction indicated from the N pole to the S pole. The opposite direction of the polarity when the electromagnets 310 are energized to generate the magnetic field means that the directions from the N pole to the S pole of the electromagnets 310 are opposite when the electromagnets 310 are energized at any one time. In specific implementation, the above-mentioned structural functions can be realized by specifically configuring the winding direction of the coil of the electromagnet 310 corresponding to each magnetic pole end 311, and/or specifically configuring the direction of the coil of the electromagnet 310 corresponding to each magnetic pole end 311, which is connected with the driving current.

Referring to fig. 1, 2 and 8, the base part 100 includes a base 110, the base 110 is provided with a first cavity 101 and a second cavity 102 partitioned from each other, the first cavity 101 is communicated with each suction channel 202, the second cavity 102 is communicated with each discharge channel 203, the base 110 is provided with a fluid suction channel 103 communicated with the first cavity 101, and a fluid discharge channel 104 communicated with the second cavity 102. The suction channel 202 and the output channel 203 of each pump core main body 210 are used for sucking and outputting fluid through the first cavity 101 and the second cavity 102 in a unified manner, and the fluid conveying device performs external fluid sucking and fluid output through the fluid suction channel 103 and the fluid output channel 104 arranged on the base 110.

In an embodiment, the base portion 100 includes a base 110 and a cover portion 120, the cover portion 120 is connected to the base 110 and encloses an accommodating space 105 with the base 110, and the pump core assembly 200 and the pump driver 300 are disposed in the accommodating space 105. With the above-described structure, since the pump cartridge assembly 200 and the pump actuator 300 are covered by the cover body portion 120, noise can be reduced.

Referring to fig. 2 and 9, in the embodiment, the pump core main body 210 is fixedly connected to the base 110, the cover body portion 120 is provided with the limiting grooves 121 corresponding to the pump core main bodies 210 one to one, the pump core main bodies 210 are inserted into the limiting grooves 121 one to one, and the peripheral side walls of the limiting grooves 121 are in abutting fit with the pump core main bodies 210. On the basis that the pump core main body 210 is fixedly connected to the base 110, the pump core main body 210 is further limited and fixed through the limiting groove 121 arranged on the cover body part 120, so that the pump core main body 210 is better in fixation and better in vibration attenuation.

In an embodiment, the base 110 is provided with elastic legs 111. The base 110 is mounted to an external structure by means of resilient feet 111, which dampen vibrations.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A vibration-dampened fluid delivery device, comprising:

a base part (100);

a pump core assembly (200) comprising a pump core main body (210) and a reciprocating driving member (220), wherein the pump core main body (210) is arranged on the base part (100), the pump core main body (210) is provided with a pump cavity (201), a suction channel (202) and an output channel (203), the suction channel (202) and the output channel (203) are communicated with the pump cavity (201), the reciprocating driving member (220) is movably arranged relative to the pump core main body (210), and when the reciprocating driving member (220) reciprocates, fluid can be driven from the suction channel (202) to the pump cavity (201) and from the pump cavity (201) to the output channel (203);

a pump driver (300) configured to drive the reciprocating driver (220) in a reciprocating motion; wherein the content of the first and second substances,

the pump core assemblies (200) are arranged in pairs, two reciprocating driving pieces (220) of the pump core assemblies (200) in pairs are arranged along the left-right direction, and the reciprocating driving pieces (220) can move along the left-right direction; the pump driver (300) can drive the two reciprocating driving members (220) of the pump core assembly (200) to move in opposite movement directions respectively.

2. The vibration-dampened fluid delivery device of claim 1, wherein: the pump core main body (210) comprises a seat body (211) and a diaphragm member (212), the seat body (211) is provided with a groove portion (204), the diaphragm member (212) covers a notch of the groove portion (204) and encloses the pump cavity (201) with the groove portion (204), the suction passage (202) and the output passage (203) are arranged on the seat body (211), the suction passage (202) and the pump cavity (201) are communicated through a first one-way valve (213), the output passage (203) and the pump cavity (201) are communicated through a second one-way valve (214), the first one-way valve (213) is configured to enable fluid to unidirectionally circulate from the suction passage (202) to the pump cavity (201), the second one-way valve (214) is configured to enable fluid to unidirectionally circulate from the pump cavity (201) to the output passage (203), and the reciprocating driving member (220) is connected with the diaphragm member (212), the reciprocating drive member (220) is capable of deforming the diaphragm member (212) upon movement to produce a change in volume of the pump chamber (201).

3. The vibration-dampened fluid delivery device of claim 2, wherein: pump core subassembly (200) are provided with two pump core main parts (210), two interval setting about pump core main part (210), two of pump core main part (210) relative setting about diaphragm spare (212), reciprocating type driving piece (220) set up in two between pump core main part (210), the both ends of reciprocating type driving piece (220) are respectively with two diaphragm spare (212) are connected.

4. A vibration-dampened fluid delivery device as defined in claim 1, 2 or 3, wherein: the reciprocating driving member (220) is provided with a magnet portion, the pump driver (300) includes two electromagnets (310) corresponding to the two reciprocating driving members (220) of the pair of pump core assemblies (200) one by one, and the electromagnets (310) are disposed on the base portion (100).

5. The vibration-dampened fluid delivery device of claim 4, wherein: the electromagnet (310) is provided with two magnetic pole ends (311), when the electromagnet (310) is electrified, the two magnetic pole ends (311) are opposite in polarity, the two magnetic pole ends (311) are respectively located on the front side and the rear side of the reciprocating driving piece (220), the magnet part comprises a left magnet (221) and a right magnet (222), the left magnet (221) and the right magnet (222) are arranged along the left-right direction, the two magnetic poles of the left magnet (221) and the right magnet (222) are respectively towards the front side and the rear side, and the left magnet (221) and the right magnet (222) are opposite in polarity setting direction.

6. The vibration-dampened fluid delivery device of claim 5, wherein:

in the pair of pump cartridge assemblies (200): the directions of the polarities of the left magnet (221) and the right magnet (222) are the same, and the directions of the polarities of the electromagnets (310) which are electrified to generate a magnetic field are opposite; or the like, or, alternatively,

in the paired pump cartridge assemblies (200): the polarities of the left magnets (221) are arranged in opposite directions, the polarities of the right magnets (222) are arranged in opposite directions, and the polarities of the electromagnets (310) which are electrified to generate magnetic fields are arranged in the same direction.

7. A vibration-dampened fluid delivery device as defined in claim 2 or 3, wherein: the base part (100) comprises a base (110), the base (110) is provided with a first cavity (101) and a second cavity (102) which are separated from each other, the first cavity (101) is communicated with each suction channel (202), the second cavity (102) is communicated with each output channel (203), and the base (110) is provided with a fluid suction channel (103) communicated with the first cavity (101) and a fluid output channel (104) communicated with the second cavity (102).

8. The vibration-dampened fluid delivery device of claim 1, wherein: the base part (100) comprises a base (110) and a cover body part (120), the cover body part (120) is connected to the base (110) and surrounds the base (110) to form an accommodating space (105), and the pump core assembly (200) and the pump driver (300) are arranged in the accommodating space (105).

9. The vibration-dampened fluid delivery device of claim 8, wherein: the pump core main body (210) is fixedly connected to the base (110), the cover body part (120) is provided with limiting grooves (121) which are in one-to-one correspondence with the pump core main body (210), the pump core main body (210) is inserted into the limiting grooves (121) in one-to-one correspondence, and the peripheral side walls of the limiting grooves (121) are in abutting fit with the pump core main body (210).

10. The vibration-dampened fluid delivery device of claim 8, wherein: the base (110) is provided with elastic feet (111).