CN214403920U

CN214403920U - Multi-cavity double-layer pump

Info

Publication number: CN214403920U
Application number: CN202120403537.8U
Authority: CN
Inventors: 陈军锋; 陆泽平; 胡畏锋
Original assignee: NINGBO PUZE ELECTROMECHANICAL CO Ltd
Current assignee: NINGBO PUZE ELECTROMECHANICAL CO Ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-10-15
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a double-deck pump technical field specifically discloses a multi-chamber double-deck pump, including quick-witted case, lower fluid chamber support, go up fluid chamber support and end cover, the top of quick-witted case is provided with lower fluid chamber support, the top of lower fluid chamber support is provided with upper fluid chamber support, the top of upper fluid chamber support is provided with the end cover, the center that the end cover top used is the original point annular equidistance and has seted up six screw holes, the inner wall of upper fluid chamber support, the inner wall of lower fluid chamber support and the inner wall of front shroud fluid chamber combination and the position department that corresponds to the screw hole all fixedly connected with the internal thread cover, threaded connection has the pump head screw between screw hole and the internal thread cover, install down the fluid device in the lower fluid chamber support, install the fluid device in the upper fluid chamber support; the utility model discloses make the motor can drive simultaneously and go up fluid device and lower fluid device and rotate, the effectual load that reduces the motor has prolonged the life of motor greatly.

Description

Multi-cavity double-layer pump

Technical Field

The utility model relates to a double-deck pump technical field, concretely relates to double-deck pump of multicavity room.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc., and also to transfer liquid, gas mixture and liquid containing suspended solid matter.

The cavity of present conventional water pump is two chambeies or four chambeies, and fix through screw or bolt between its inside each part, because the cavity is more, just increased the assembly degree of difficulty, every cavity all is connected with the output of motor, the load that leads to the motor to bear is great, and along with the increase of live time, bolt between each part can be difficult to avoid becoming flexible and produces the gap, influence the inside leakproofness of water pump, lead to the motor to intake easily, influence the normal use of water pump.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a double-deck pump of multicavity room possesses advantages such as the assembly is simple, firm and the leakproofness is strong, has solved the big problem of traditional water pump motor load.

The utility model discloses a multi-chamber double-layer pump, including quick-witted case, lower fluid chamber support, go up fluid chamber support and end cover, the internally mounted motor of machine case, the bottom electricity of motor is connected with binding post, the top fixedly connected with protecgulum fluid chamber combination of machine case, the top of protecgulum fluid chamber combination is provided with down the fluid chamber support, the top of lower fluid chamber support is provided with the fluid chamber support, the top of going up the fluid chamber support is provided with the end cover, the center that the end cover top used is the origin annular equidistance and has seted up six screw holes, the inner wall of going up the fluid chamber support, the inner wall of lower fluid chamber support and the inner wall of protecgulum fluid chamber combination and the position department that corresponds with the screw hole all fixedly connected with the internal thread bush, threaded connection has the pump head screw between screw hole and the internal thread bush, install down the fluid device in the fluid chamber support down, an upper fluid device is mounted in the upper fluid chamber support.

The utility model discloses a double-deck pump of multicavity room, wherein go up fluidic device and include piston frame, go up the diaphragm and go up the diaphragm chamber, fluidic device includes diaphragm chamber, lower diaphragm and lower piston frame down.

The utility model discloses a double-deck pump of multicavity room, wherein go up the diaphragm on the top fixedly connected with of piston frame, go up the center of diaphragm chamber above the diaphragm chamber bottom and install a plurality of second for original point annular equidistance and inhale the check valve, go up diaphragm chamber fixed connection in the top of last diaphragm, go up the check valve of discharging on the central fixedly connected with at diaphragm chamber top.

The utility model discloses a double-deck pump of multicavity room, wherein the central authorities of diaphragm chamber bottom install down the discharge check valve, the center of diaphragm chamber below the top of diaphragm chamber installs the first check valve that inhales of a plurality of for original point annular equidistance down, the diaphragm under the top fixedly connected with of diaphragm chamber down, the piston frame under the top fixedly connected with of diaphragm down.

The utility model discloses a double-deck pump of multicavity room, wherein upper diaphragm and lower diaphragm looks fixed connection, go up the piston frame and the central fixedly connected with bearing between the lower piston frame, fixedly connected with eccentric wheel in the inner ring of bearing, the output of motor passes down fluid chamber support, lower diaphragm chamber and lower diaphragm and fixed with the eccentric wheel in proper order.

The utility model discloses a double-deck pump of multicavity room, wherein go up the first sealing washer of central fixedly connected with at diaphragm chamber top, the central authorities of diaphragm bottom, lower diaphragm and the equal fixed connection of central authorities of piston frame have the second sealing washer down, the output of motor pass in proper order three second sealing washer and with the inner wall laminating of second sealing washer, this structure setting makes liquid can not flow in motor output shaft space department.

The utility model discloses a multi-chamber double layer pump, wherein the left side fixedly connected with pressure release mouth at end cover top, the internally mounted of pressure release mouth has the pressure release valve block, the top fixedly connected with pressure release spring holder of pressure release valve block, the top threaded connection of pressure release mouth has the pressure release top cap, and this structure setting can also ensure not leaking water under the not hard up circumstances in locking or later stage at the end cover.

The utility model discloses a double-deck pump of multicavity room, wherein the quantity of first suction check valve is any one in six, eight, ten or the twelve, the quantity of first suction check valve is the same with the quantity that the second sucked the check valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a motor output shaft does not pass fluid chamber support, go up diaphragm chamber and go up spare part such as diaphragm, motor output shaft only passes fluid chamber support down, spare part such as lower diaphragm chamber and lower diaphragm, and the spare part center cavity that motor output shaft passed has the second sealing washer, make liquid can not flow in motor output shaft space department, and pass through pump head screw combination with lower piston frame through last piston frame, bearing and eccentric wheel in the middle of the sharing, make the motor can drive simultaneously and go up fluidic device and lower fluidic device and rotate, the effectual load that reduces the motor, the life of motor has been prolonged greatly, and do not need through the screw between last fluidic device and the lower fluidic device, connecting pieces such as bolt are fixed, its relation of connection is firm reliable, can not become flexible easily, be convenient for install and maintain, overall structure is compacter.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall explosion structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the lower fluid device and the upper fluid device of the present invention after being connected;

FIG. 3 is a schematic view of the front structure of the lower fluid device and the upper fluid device of the present invention after being connected;

fig. 4 is a schematic view of the overall three-dimensional structure of the present invention.

In the figure: 1. a chassis; 2. a motor; 3. a wiring terminal; 4. a front cover fluid chamber combination; 5. a lower discharge check valve; 6. a lower diaphragm chamber; 7. a first suction check valve; 8. a lower diaphragm; 9. a lower fluid chamber support; 10. a lower piston frame; 11. an eccentric wheel; 12. a bearing; 13. an upper piston frame; 14. an upper fluid chamber support; 15. an upper diaphragm; 16. a second suction check valve; 17. an upper diaphragm chamber; 18. a first seal ring; 19. an upper discharge check valve; 20. an end cap; 21. a pressure relief port; 22. a pressure relief valve plate; 23. a pressure relief spring seat; 24. a pressure relief cap; 25. a pump head screw.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the multi-chamber double-layer pump of the present invention comprises a case 1, a lower fluid chamber support 9, an upper fluid chamber support 14 and an end cap 20, wherein a motor 2 is installed inside the case 1, a connecting terminal 3 is electrically connected to the bottom of the motor 2, a front cover fluid chamber assembly 4 is fixedly connected to the top of the case 1, the lower fluid chamber support 9 is disposed on the top of the front cover fluid chamber assembly 4, the upper fluid chamber support 14 is disposed on the top of the lower fluid chamber support 9, the end cap 20 is disposed on the top of the upper fluid chamber support 14, six screw holes are annularly and equidistantly formed with the center of the top of the end cap 20 as an origin, an inner wall of the upper fluid chamber support 14, an inner wall of the lower fluid chamber support 9 and an inner wall of the front cover fluid chamber assembly 4 are fixedly connected to positions corresponding to the screw holes, screws 25 are threadedly connected between the screw holes and the pump head, a lower fluid device is mounted in the lower fluid chamber support 9 and an upper fluid device is mounted in the upper fluid chamber support 14.

The upper fluidic device comprises an upper piston frame 13, an upper diaphragm 15 and an upper diaphragm chamber 17, and the lower fluidic device comprises a lower diaphragm chamber 6, a lower diaphragm 8 and a lower piston frame 10.

The top of the upper piston frame 13 is fixedly connected with an upper diaphragm 15, a plurality of second suction check valves 16 are annularly and equidistantly arranged on the bottom of the upper diaphragm chamber 17 by taking the center of the upper diaphragm chamber 17 as an origin, the upper diaphragm chamber 17 is fixedly connected with the top of the upper diaphragm 15, and the center of the top of the upper diaphragm chamber 17 is fixedly connected with an upper discharge check valve 19.

The center of the bottom of the lower diaphragm chamber 6 is provided with a lower discharge check valve 5, the center of the lower diaphragm chamber 6 at the top of the lower diaphragm chamber 6 is provided with a plurality of first suction check valves 7 in an annular shape with an origin at equal intervals, the top of the lower diaphragm chamber 6 is fixedly connected with a lower diaphragm 8, and the top of the lower diaphragm 8 is fixedly connected with a lower piston frame 10.

The upper diaphragm 15 is fixedly connected with the lower diaphragm 8, the center between the upper piston frame 13 and the lower piston frame 10 is fixedly connected with a bearing 12, an eccentric wheel 11 is fixedly connected in the inner ring of the bearing 12, and the output end of the motor 2 sequentially penetrates through the lower fluid chamber support 9, the lower diaphragm chamber 6 and the lower diaphragm 8 and is fixed with the eccentric wheel 11.

Go up the first sealing washer 18 of central fixedly connected with at diaphragm chamber 17 top, the equal fixedly connected of central authorities, the central authorities of lower diaphragm 8 and the piston frame of lower diaphragm chamber 6 bottom have the second sealing washer, and the output of motor 2 passes three second sealing washers in proper order and with the inner wall laminating of second sealing washer, this structural setting makes liquid can not flow into motor 2 output shaft space department.

The left side fixedly connected with pressure release mouth 21 at end cover 20 top, the internally mounted of pressure release mouth 21 has pressure release valve block 22, the top fixedly connected with pressure release spring holder 23 of pressure release valve block 22, the top threaded connection of pressure release mouth 21 has pressure release top cap 24, and this structure setting can also ensure not to leak water under the not hard up condition in locking or later stage of end cover 20.

The number of the first suction check valves 7 is any one of six, eight, ten, or twelve, and the number of the first suction check valves 7 is the same as the number of the second suction check valves 16.

The working principle is as follows: when the motor 2 is started, the output end of the motor can drive the lower fluid device to rotate, the top of the output end of the motor 2 is fixed with the eccentric wheel 11, and then the eccentric wheel 11 can be driven to rotate, and the rotation of the eccentric wheel 11 can drive the upper fluid device to rotate, so that the upper fluid device and the lower fluid device are driven to rotate simultaneously.

When the eccentric wheel 11 is driven to rotate by the shaft of the motor 2, the upper piston frame 13 and the lower piston are simultaneously subjected to the reaction force of the upper diaphragm 15 and the lower diaphragm 8, theoretically, the stress of the shaft of the motor 2 in the axis direction is zero at the moment, the design can greatly prolong the service life of the bearing 12 of the motor 2, and the working efficiency of the whole machine is improved.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A multi-chamber, double-layer pump comprising a housing (1), a lower fluid chamber support (9), an upper fluid chamber support (14), and an end cap (20), characterized in that: the internal mounting motor (2) of the case (1), the bottom of the motor (2) is electrically connected with a wiring terminal (3), the top of the case (1) is fixedly connected with a front cover fluid chamber combination (4), the top of the front cover fluid chamber combination (4) is provided with a lower fluid chamber support (9), the top of the lower fluid chamber support (9) is provided with an upper fluid chamber support (14), the top of the upper fluid chamber support (14) is provided with an end cover (20), the center of the top of the end cover (20) is used as an original point, six screw holes are annularly and equidistantly formed, the inner wall of the upper fluid chamber support (14), the inner wall of the lower fluid chamber support (9) and the inner wall of the front cover fluid chamber combination (4) are fixedly connected with internal thread sleeves at positions corresponding to the screw holes, and screws (25) are in threaded connection between the screw holes and the internal thread sleeves, a lower fluid device is mounted in the lower fluid chamber support (9) and an upper fluid device is mounted in the upper fluid chamber support (14).

2. A multi-chamber, dual layer pump according to claim 1, wherein: the upper fluid device comprises an upper piston frame (13), an upper diaphragm (15) and an upper diaphragm chamber (17), and the lower fluid device comprises a lower diaphragm chamber (6), a lower diaphragm (8) and a lower piston frame (10).

3. A multi-chamber, dual layer pump according to claim 2, wherein: the top of the upper piston frame (13) is fixedly connected with an upper diaphragm (15), a plurality of second suction check valves (16) are annularly and equidistantly arranged on the bottom of the upper diaphragm chamber (17) by taking the center of the upper diaphragm chamber (17) as an origin, the upper diaphragm chamber (17) is fixedly connected with the top of the upper diaphragm (15), and the center of the top of the upper diaphragm chamber (17) is fixedly connected with an upper discharge check valve (19).

4. A multi-chamber, dual layer pump according to claim 2, wherein: the middle of the bottom of the lower diaphragm chamber (6) is provided with a lower discharge check valve (5), a plurality of first suction check valves (7) are annularly and equidistantly arranged at the original point at the center of the lower diaphragm chamber (6) below the top of the lower diaphragm chamber (6), the top of the lower diaphragm chamber (6) is fixedly connected with a lower diaphragm (8), and the top of the lower diaphragm (8) is fixedly connected with a lower piston frame (10).

5. A multi-chamber, dual layer pump according to claim 2, wherein: the diaphragm mechanism is characterized in that the upper diaphragm (15) is fixedly connected with the lower diaphragm (8), a bearing (12) is fixedly connected to the center between the upper piston frame (13) and the lower piston frame (10), an eccentric wheel (11) is fixedly connected to the inner ring of the bearing (12), and the output end of the motor (2) sequentially penetrates through the lower fluid chamber support (9), the lower diaphragm chamber (6) and the lower diaphragm (8) and is fixed with the eccentric wheel (11).

6. A multi-chamber, dual layer pump according to claim 2, wherein: the middle of the top of the upper diaphragm chamber (17) is fixedly connected with a first sealing ring (18), the middle of the bottom of the lower diaphragm chamber (6), the middle of the lower diaphragm (8) and the middle of the piston frame are fixedly connected with a second sealing ring, and the output end of the motor (2) sequentially penetrates through the three second sealing rings and is attached to the inner wall of the second sealing rings.

7. A multi-chamber, dual layer pump according to claim 1, wherein: the left side fixedly connected with pressure release mouth (21) at end cover (20) top, the internally mounted of pressure release mouth (21) has pressure release valve block (22), the top fixedly connected with pressure release spring holder (23) of pressure release valve block (22), the top threaded connection of pressure release mouth (21) has pressure release top cap (24).

8. A multi-chamber, dual layer pump according to claim 4, wherein: the number of the first suction check valves (7) is any one of six, eight, ten, or twelve, and the number of the first suction check valves (7) is the same as the number of the second suction check valves (16).