CN218266262U - Diaphragm type direct-current self-priming water pump - Google Patents
Diaphragm type direct-current self-priming water pump Download PDFInfo
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- CN218266262U CN218266262U CN202222392021.5U CN202222392021U CN218266262U CN 218266262 U CN218266262 U CN 218266262U CN 202222392021 U CN202222392021 U CN 202222392021U CN 218266262 U CN218266262 U CN 218266262U
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Abstract
The utility model relates to a diaphragm type direct current self priming water pump, drive its pivoted pump body through the motor including a direct current motor and connection on the motor, pump body system has water supply connector, water connectors, pump chamber and valve pocket, install eccentric seat in the pump chamber, be equipped with in the eccentric seat with motor shaft complex eccentric wheel, the valve pocket respectively makes into water inlet valve pocket and water outlet valve pocket in the both sides of the pump body, water inlet valve pocket leads to water supply connector, water outlet valve pocket leads to water connectors, install respectively in water inlet valve pocket and the water outlet valve pocket and advance, water outlet valve piece, advance, water outlet valve piece is equipped with the disk seat, there is the diaphragm plate outside valve pocket and pump chamber, the diaphragm plate is connected at eccentric seat both ends, there is the diaphragm gland outside the pump chamber, install the fixed end cover outside diaphragm gland and disk seat, advance, be equipped with first sealed guide structure and the sealed guide structure of second between water outlet valve piece both ends and the disk seat respectively.
Description
Technical Field
The utility model relates to a self priming water pump field, concretely relates to diaphragm type direct current self priming water pump.
Background
Present direct current self priming water pump has the direct current self priming water pump that adopts piston pump, gear pump, vane pump, plunger pump, also appears adopting the diaphragm type on the market, also appears using diaphragm type self priming water pump in recent years in the water pump among the parking heater, and this kind of self priming water pump is as patent number: CN2703141Y discloses a direct current self priming pump, its technical scheme that adopts: the pump body is provided with a water inlet joint, a water outlet joint, a pump chamber and a valve chamber, an eccentric seat is arranged in the pump chamber, an eccentric wheel is arranged in the eccentric seat, a motor shaft is matched with the eccentric wheel, the valve chamber is provided with a water inlet valve chamber and a water outlet valve chamber respectively at two sides of the pump body, the water inlet valve chamber is communicated with the water inlet joint, the water outlet valve chamber is communicated with the water outlet joint, a water inlet valve plate and a water outlet valve plate are respectively arranged in the water inlet valve chamber and the water outlet valve chamber, the water inlet valve plate and the water outlet valve plate are provided with valve seats, diaphragm plates are arranged outside the valve chamber and the pump chamber and are connected at two ends of the eccentric seat, a diaphragm gland is arranged outside the pump chamber, fixed end covers are arranged outside the diaphragm gland and the valve seats, a self-control pressure regulating chamber is arranged on the pump body, a self-control diaphragm is arranged between the self-control pressure regulating chamber and the pump chamber of the pump chamber, a pressing ring and a pressing plate are arranged on the pressing plate, a contact angle is arranged in the pressing plate, a spring and a spring support is connected with a pressure switch, the pressure switch has a pick-up head, the feeler of the pressing plate is matched with the pick-up head of the switch, the top is provided with an automatic control valve cover, the motor is provided with a motor bracket which is connected with the pump body, the working principle of the pressure switch is that when a motor shaft drives an eccentric wheel in an eccentric seat to make the eccentric wheel swing, and simultaneously a diaphragm plate connected on the eccentric seat vibrates along with the vibration, the diaphragm plate vibrates to make a pump cavity in a pump chamber generate vacuum negative pressure, the vacuum negative pressure opens a two-way water inlet valve plate in a valve seat to make water sucked into the pump cavity from a water inlet joint, the water in the pump cavity forms water pressure to push the two-way water outlet valve plate to press the water out from the water outlet joint to finish one-time water suction, as the motor works continuously, the pump generates uninterrupted water inlet and outlet, as the water inlet valve plate is required to be opened when water is fed, a guide structure is arranged between the water inlet valve plate and the valve seat to ensure the movement path when the valve seat moves relatively, and when the valve seat is closed, when the water outlet valve plate is opened, the water outlet valve plate needs to be kept closed, so that the situation that the pressure in the cavity is too small due to the fact that water flow enters again is prevented, and therefore a seal needs to be made.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, a diaphragm type direct current self priming water pump is provided.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a diaphragm type direct current self priming water pump, drive its pivoted pump body through the motor including a direct current motor and connection on the motor, the pump body system has water supply connector, water outlet connector, pump chamber and valve pocket, install eccentric seat in the pump chamber, be equipped with in the eccentric seat with motor shaft complex eccentric wheel, the valve pocket respectively makes water inlet valve pocket and water outlet valve pocket in the both sides of the pump body, water inlet valve pocket leads to water supply connector, water outlet valve pocket leads to water outlet connector, install respectively in water inlet valve pocket and the water outlet valve pocket and advance, water outlet valve piece, advance, water outlet valve piece is equipped with the disk seat, there is the diaphragm plate outside valve pocket and pump chamber, the diaphragm plate is connected at eccentric seat both ends, there is the diaphragm gland outside the pump chamber, install the fixed end cover outside diaphragm gland and disk seat, its characterized in that: and a first sealing guide structure and a second sealing guide structure are respectively arranged between the two ends of the water inlet valve plate and the water outlet valve plate and the valve seat, and the directions of the first sealing guide structure and the second sealing guide structure at the two ends of the water inlet valve plate are opposite to the directions of the first sealing guide structure and the second sealing guide structure at the two ends of the water outlet valve plate.
Adopt above-mentioned technical scheme, only one kind extends to the guide structure at business turn over water valve block both ends between the business turn over of current water pump, play water valve block and the disk seat, and this kind of structure occupies the space between business turn over water valve block and the valve block, causes the water yield between the two less, and because the design has a defect, leads to setting up easily in business turn over, goes out the sealing washer skew between water valve block and the disk seat, and then causes to leak and further reduce the water yield, the utility model discloses a business turn over, go out the water valve block and set up first sealed guide structure and the sealed guide structure of second respectively with the disk seat both ends, change the mode that original structure adopted a sealed guide structure to link up both ends, increase business turn over water passageway cross sectional area, increase water yield improves sealed effect.
The diaphragm type direct-current self-priming water pump can be further arranged as follows: the water inlet and outlet valve piece comprises a valve piece body, one end of the valve piece body is provided with a first round platform with the outer diameter smaller than that of the valve piece body, a sealing ring is installed at the position of the first round platform, the first sealing guide structure is a first guide block which is arranged at the periphery of the valve piece body and distributed in a cross shape, the second sealing guide structure is a second guide block which is arranged at the first round platform and is far away from one end of the valve piece body and distributed in a cross shape, the other end of the valve piece body, which is relatively arranged on the second sealing guide structure, is provided with a spring guide seat, and a reset spring is arranged outside the spring guide seat in a winding mode.
By adopting the technical scheme, the radial diameters of the water inlet valve plate and the water outlet valve plate are not uniform and are large or small by arranging the split first sealing guide structure and the split second sealing guide structure, so that the water outlet amount is increased, the first guide blocks which are distributed on the periphery of the valve plate body in a cross shape are equivalent to only forming four convex blocks on the valve plate body, the four convex blocks are uniformly distributed, so that the guide between the valve plate body and the valve seat is balanced, the sealing ring between the valve plate body and the valve seat cannot deflect to one side in the using process, thereby avoiding the leakage, and the cross second guide block arranged at one end of the valve plate body is in a cross shape as the whole, so that more water flows can pass through the valve seat between the cross-shaped blocks when the water inlet valve plate or the water outlet valve plate and the valve seat are in a separated state, and the water inlet amount and the water outlet amount are further increased.
The diaphragm type direct-current self-priming water pump can be further arranged as follows: the outer diameter of one end, far away from the fixed end cover, of the valve seat at the water inlet valve plate is gradually reduced to form a reducing section, and the second guide block of the water inlet valve plate is located at the reducing section and is matched with the reducing section.
Adopt above-mentioned technical scheme, the utility model discloses a theory of operation is generally unanimous with the theory of operation of current product on the market, only the detail has slightly difference, the utility model discloses motor drive eccentric wheel makes the eccentric seat protruding when intaking, the eccentric seat makes the diaphragm plate arch of this end produce suction, inhale the water valve pocket of intaking of water supply connector department, specifically do, rivers will intake the valve block from the one end jack-up of fore shaft section department with the valve block of intaking to keeping away from the throat section, rivers just get into the disk seat from the position between second guide block and the throat section, after the eccentric wheel return, the inside formation pressure of valve pocket, rivers will push away the water valve block, flow out from the water supply connector, because the other end that the valve block body set up the second guide block relatively sets up spring guide post and reset spring, the valve block body will return under reset spring's effect, the disk seat of water inlet valve block department is provided with the throat section, be equipped with the sealing washer on the water inlet valve block again, can's unable backward flow behind the valve block body return, the utility model discloses a second guide block, the water flow volume has been improved, the first guide block that the cross set up and the second guide block of water inlet valve block, consequently, the flow of water pump can not leak the flow is even to the inner wall, the water guide effect of the water pump, the water leakage can not be good.
The diaphragm type direct-current self-priming water pump can be further arranged as follows: the fixed end cover is provided with a butt joint block at one end towards the water outlet valve plate.
By adopting the technical scheme, the abutting block is matched with the second guide block, and water in the water outlet joint cannot reversely jack the water outlet valve piece to flow back after water is discharged from the water outlet valve piece.
The diaphragm type direct-current self-priming water pump can be further arranged as follows: a connecting seat is arranged between the motor and the pump body, a motor shaft of the motor penetrates through the connecting seat to be connected with the pump body, and a leakage-proof structure is arranged between one end of the connecting seat, which faces the pump body, and the pump body.
Adopt above-mentioned technical scheme, because the diaphragm plate during operation of installation on the pump body is repeated jack-up by the eccentric wheel when the diaphragm rubber board is in high strength, high load or when having reached water pump service life, liquid will flow through the connecting seat and outwards leak from the motor shaft of motor from the diaphragm plate, the utility model discloses even the diaphragm plate breaks even the diaphragm plate is guaranteed to set up at the connecting seat towards the one end of the pump body and prevent leaking the structure between the pump body, and liquid can not outwards leak from the motor shaft yet, improves life and prevents leaking the effect.
The diaphragm type direct-current self-priming water pump can be further configured as follows: prevent leaking the structure and including the boss with pump body inner chamber shape adaptation that the connecting seat set up towards pump body one end, the boss middle part is equipped with the connecting hole that supplies the motor shaft to pass, and the one end that the pump body was kept away from to the boss forms the storage tank, install high-speed rotatory sealing washer in the storage tank.
By adopting the technical scheme, the inner cavity of the pump body is plugged by the boss through the matching of the boss and the inner wall of the pump body, the outer wall of the pump body is arranged in the groove, the periphery of one end of the pump body facing the connecting seat is sealed, and the high-speed rotary sealing ring is arranged at the connecting hole through which a motor shaft of the power supply motor passes, so that the sealing performance of the connecting hole is ensured.
The utility model has the advantages that: the first sealing guide structure and the second sealing guide structure are arranged at the two ends of the water inlet valve piece, the water outlet valve piece and the valve seat respectively, the mode that the sealing guide structures penetrate through the two ends is adopted in the original structure, the cross section area of a water inlet and outlet channel is increased, the water outlet quantity is increased, the sealing effect is improved, the anti-leakage structure is arranged, and the service life of the water pump is prolonged.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the present invention without the end cap fixed at one end.
Fig. 3 is a schematic perspective view of the diaphragm gland of fig. 2 with one end removed.
Fig. 4 is a schematic structural view between the water inlet valve sheet and the valve seat according to the embodiment of the present invention.
Fig. 5 is an exploded view of fig. 4.
Fig. 6 is the internal structure schematic diagram of the diaphragm gland in the embodiment of the present invention.
Fig. 7 is a schematic view of an exploded structure between the water outlet valve piece and the valve seat of the embodiment of the present invention.
Fig. 8 is a schematic view of a connection seat structure according to an embodiment of the present invention.
Fig. 9 is an exploded view of the connection seat and the high-speed rotary seal ring according to the embodiment of the present invention.
Detailed Description
Referring to fig. 1-9: a diaphragm type direct current self-priming water pump comprises a direct current motor 1 and a pump body 2 connected to the motor 1 and driven to rotate by the motor 1, wherein the pump body 2 is provided with a water inlet joint 21, a water outlet joint 22, a pump chamber 23 and a valve chamber, an eccentric seat 3 is installed in the pump chamber 23, an eccentric wheel 31 matched with a motor shaft 11 is arranged in the eccentric seat 3, the valve chamber is provided with a water inlet valve chamber 241 and a water outlet valve chamber 242 on two sides of the pump body 2 respectively, the water inlet valve chamber 241 is communicated with the water inlet joint 21, the water outlet valve chamber 242 is communicated with the water outlet joint 22, a water inlet valve sheet 2411 and a water outlet valve sheet 2421 are installed in the water inlet valve chamber 241 and the water outlet valve chamber 242 respectively, the water inlet valve sheet 2411 and the water outlet valve 2421 are provided with the valve seat 4, diaphragm plates 5 are arranged outside the valve chamber 24 and the pump chamber 24223, the diaphragm plates 5 are connected to two ends of the eccentric seat 3, a diaphragm gland 6 is arranged outside the pump chamber 23, fixed end covers 7 are installed outside the diaphragm gland 6 and the valve seat 4, a first sealing guide structure and a second sealing guide structure are arranged between the water inlet valve sheet 2411 and the two ends of the water outlet valve guide structure, and the second sealing guide structure are located at two ends of the second sealing sheet 2411.
The utility model discloses a set up first sealed guide structure and second sealed guide structure respectively at water inlet and outlet valve block and disk seat both ends, change original structure and adopt a sealed guide structure to link up the mode at both ends, increase the water yield, improve sealed effect;
the water inlet valve piece 2411 and the water outlet valve piece 2421 comprise a valve piece body 2401, one end of the valve piece body 2401 is provided with a first round platform 2402 with the outer diameter smaller than that of the valve piece body 2401, a sealing ring (not shown in the figure) is arranged at the first round platform 2402, the first sealing guide structure is a first guide block 2404 which is arranged on the periphery of the valve piece body 2401 and distributed in a cross shape, the second sealing guide structure is a second guide block 2405 which is arranged on one end, far away from the valve piece body 2401, of the first round platform 2402 and distributed in a cross shape, the other end, opposite to the second sealing guide structure, of the valve piece body 2401 is provided with a spring guide seat 2406, and the spring guide seat 2406 is externally wound with a reset spring 2407, one end of which is abutted against the valve piece body 2401, and the other end of the spring guide seat is abutted against a fixed end cover 7;
the first guide block which is distributed on the periphery of the valve plate body in a cross shape is equivalent to that four bumps are formed on the valve plate body, the four bumps are uniformly distributed, so that the guide between the valve plate body and the valve seat is balanced, a sealing ring between the valve plate body and the valve seat cannot deflect to one side in the using process, so that the leakage is avoided, and the cross-shaped second guide block arranged at one end of the valve plate body is in a cross shape as the whole, so that more water flows can pass through the valve seat from the cross-shaped block when the water inlet valve plate or the water outlet valve plate is separated from the valve seat, and the water inlet and outlet amount is further improved;
the outer diameter of one end, far away from the fixed end cover 7, of the valve seat 4 at the water inlet valve piece 2411 is gradually reduced to form a reduced section 401, and a second guide block 2405 of the water inlet valve piece 2411 is positioned at the reduced section 401 and is matched with the reduced section 401;
the utility model discloses an operating principle is generally unanimous with the operating principle of current product on the market, only the detail has difference slightly, the utility model discloses motor drive eccentric wheel makes the eccentric seat protruding when intaking, the eccentric seat makes the diaphragm plate arch of this end produce suction, inhale the water valve pocket of intaking of water supply connector department, specifically do, rivers will intake the valve block from fore shaft section department with the valve block of intaking to the one end jack-up of keeping away from the throat section, rivers just get into in the disk seat from the position between second guide block and the throat section, after the eccentric wheel return, the inside formation pressure of valve pocket, rivers will push away the water valve block, flow out from the water supply connector, because the other end that the valve block body set up the second guide block relatively sets up spring guide post and reset spring, the valve block body will be under reset spring's effect, the disk seat of valve block department is provided with the throat section, be equipped with the water intaking valve block again on the water intaking valve block, the unable backward flow behind the valve block body return, the second guide block has improved the water flow, the first guide block and the second guide block that the cross set up and the seal ring between the disk seat inner wall, the even return distance of water valve block, consequently, the water leakage effect can not be greatly, the flow can not promote the flow greatly.
The fixed end cover 7 is provided with a butting block 71 at one end facing the water outlet valve sheet 2421;
the abutting block is arranged to be matched with the second guide block, and after water is discharged from the water outlet valve piece, water in the water outlet joint cannot reversely jack the water outlet valve piece to flow back;
a connecting seat 8 is arranged between the motor 1 and the pump body 2, a motor shaft 11 of the motor 1 passes through the connecting seat 8 to be connected with the pump body 2, and a leakage-proof structure is arranged between one end of the connecting seat 8 facing the pump body 2 and the pump body 2;
because the diaphragm plate installed on the pump body is repeatedly jacked up by the eccentric wheel when working, when the diaphragm rubber plate is in high strength and high load or has reached the service life of the water pump, the liquid flows through the connecting seat from the diaphragm plate and is leaked outwards from the motor shaft of the motor, the utility model discloses set up the anti-leakage structure between the pump body and one end of the connecting seat facing the pump body, even guarantee the diaphragm plate breaks, the liquid will not be leaked outwards from the motor shaft, improve service life and anti-leakage effect;
the anti-leakage structure comprises a boss 81 which is arranged at one end of the connecting seat 8 facing the pump body 2 and is matched with the shape of the inner cavity of the pump body 2, a connecting hole 82 for the motor shaft 11 to pass through is arranged at the center of the boss 81, an accommodating groove 83 is formed at one end of the connecting hole 82 far away from the pump body 2, and a high-speed rotating sealing ring 84 is arranged in the accommodating groove 83;
the inner cavity of the pump body is plugged by the boss through the matching of the boss and the inner wall of the pump body, the outer wall of the pump body is arranged in the groove, the periphery of one end, facing the connecting seat, of the pump body is sealed, and then the sealing performance of the connecting hole is ensured through arranging the high-speed rotating sealing ring at the connecting hole through which a motor shaft of the power supply motor passes;
the beneficial effects of the utility model are that: the first sealing guide structure and the second sealing guide structure are arranged at the two ends of the water inlet valve piece, the water outlet valve piece and the valve seat respectively, the mode that the sealing guide structures penetrate through the two ends is adopted in the original structure, the cross section area of a water inlet and outlet channel is increased, the water outlet quantity is increased, the sealing effect is improved, the anti-leakage structure is arranged, and the service life of the water pump is prolonged.
Claims (6)
1. The utility model provides a diaphragm type direct current self priming water pump, drive its pivoted pump body through the motor including a direct current motor and connection on the motor, the pump body system has water supply connector, water outlet connector, pump chamber and valve pocket, install eccentric seat in the pump chamber, be equipped with in the eccentric seat with motor shaft complex eccentric wheel, the valve pocket respectively makes water inlet valve pocket and water outlet valve pocket in the both sides of the pump body, water inlet valve pocket leads to water supply connector, water outlet valve pocket leads to water outlet connector, install respectively in water inlet valve pocket and the water outlet valve pocket and advance, water outlet valve piece, advance, water outlet valve piece is equipped with the disk seat, there is the diaphragm plate outside valve pocket and pump chamber, the diaphragm plate is connected at eccentric seat both ends, there is the diaphragm gland outside the pump chamber, install the fixed end cover outside diaphragm gland and disk seat, its characterized in that: and a first sealing guide structure and a second sealing guide structure are respectively arranged between the two ends of the water inlet valve plate and the valve seat, and the directions of the first sealing guide structure and the second sealing guide structure at the two ends of the water inlet valve plate are opposite to the directions of the first sealing guide structure and the second sealing guide structure at the two ends of the water outlet valve plate.
2. The diaphragm type direct current self-priming water pump according to claim 1, wherein: the water inlet and outlet valve piece comprises a valve piece body, one end of the valve piece body is provided with a first round platform with the outer diameter smaller than that of the valve piece body, a sealing ring is installed at the position of the first round platform, the first sealing guide structure is a first guide block which is arranged at the periphery of the valve piece body and distributed in a cross shape, the second sealing guide structure is a second guide block which is arranged at the first round platform and is far away from one end of the valve piece body and distributed in a cross shape, the other end of the valve piece body, which is relatively arranged on the second sealing guide structure, is provided with a spring guide seat, and a reset spring is arranged outside the spring guide seat in a winding mode.
3. The diaphragm type direct current self-priming water pump according to claim 2, wherein: the outer diameter of one end, far away from the fixed end cover, of the valve seat at the water inlet valve plate is gradually reduced to form a reducing section, and the second guide block of the water inlet valve plate is located at the reducing section and is matched with the reducing section.
4. A diaphragm type direct current self-priming water pump according to claim 3, wherein: the fixed end cover is provided with the butt joint piece towards the one end of water valve piece.
5. A diaphragm type direct current self-priming water pump according to claim 1, 2, 3 or 4, wherein: a connecting seat is arranged between the motor and the pump body, a motor shaft of the motor penetrates through the connecting seat to be connected with the pump body, and a leakage-proof structure is arranged between one end of the connecting seat facing the pump body and the pump body.
6. The diaphragm type direct current self-priming water pump according to claim 5, wherein: the anti-leakage structure comprises a boss which is arranged towards one end of the pump body and is matched with the shape of the inner cavity of the pump body, a connecting hole for a motor shaft to pass through is formed in the middle of the boss, an accommodating groove is formed in one end, away from the pump body, of the boss, and a high-speed rotating sealing ring is installed in the accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392021.5U CN218266262U (en) | 2022-09-05 | 2022-09-05 | Diaphragm type direct-current self-priming water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222392021.5U CN218266262U (en) | 2022-09-05 | 2022-09-05 | Diaphragm type direct-current self-priming water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266262U true CN218266262U (en) | 2023-01-10 |
Family
ID=84711175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222392021.5U Active CN218266262U (en) | 2022-09-05 | 2022-09-05 | Diaphragm type direct-current self-priming water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266262U (en) |
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2022
- 2022-09-05 CN CN202222392021.5U patent/CN218266262U/en active Active
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