CN115750382A - Horizontal self-priming centrifugal pump - Google Patents
Horizontal self-priming centrifugal pump Download PDFInfo
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- CN115750382A CN115750382A CN202310009868.7A CN202310009868A CN115750382A CN 115750382 A CN115750382 A CN 115750382A CN 202310009868 A CN202310009868 A CN 202310009868A CN 115750382 A CN115750382 A CN 115750382A
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- centrifugal pump
- water storage
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- 238000007789 sealing Methods 0.000 claims abstract description 112
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 238000004458 analytical method Methods 0.000 abstract description 9
- 238000004364 calculation method Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The invention discloses a horizontal self-priming centrifugal pump which comprises a base and a motor, wherein the motor is arranged above the base, a water storage tank is arranged at the position of an output shaft of the motor, and an impeller is arranged in the water storage tank. According to the horizontal self-priming centrifugal pump, the disc rack, the sealing plate and the sealing disc are arranged, the output shaft of the motor indirectly drives the sealing plate to rotate, the sealing plate carries out stress analysis on the sealing plate in the process of separating from a blank area, and the stress analysis comprises the friction force of the inner ring rack, the outer ring rack and the isolation plate, and the total stress analysis is F Resistance device Resistance F of the rebounding device Bullet Centrifugal force F Separation device The calculation formula of the centrifugal force is as follows: f Separating from = MWR, only MVR needs to be guaranteed>F Resistance device +F Bullet Outside water just can enter into the inside of water storage tank, and when stall, centrifugal force disappears, and under resilient means's effort, the closing plate recloses, just can be with the inside certain water of storage tank storage, need not carry out extra watering.
Description
Technical Field
The invention relates to a pump body, in particular to a horizontal self-priming centrifugal pump.
Background
The self-priming centrifugal pump is characterized in that an impeller rotates at a high speed to enable water in an impeller channel to flow to a volute, at the moment, a vacuum is formed at an inlet, a water inlet check valve is opened, air in a suction pipe enters the pump and reaches the outer edge through the impeller channel, and liquid can flow out at a water outlet through the drainage effect of blades on the surface of the impeller.
General condition all needs the manual work to irritate water, leads to inconvenient to use, for the problem of solving the manual work and irrigating, has appeared full-automatic self priming pump in the market, and this kind of pump body is inside need not to irritate water, but need cooperate a series of control system and sensor, guarantees that the inside of self priming pump can absorb water earlier for the inside of the pump body is irritated full water, then starts, but the cost that this kind of mode needs is higher relatively.
Disclosure of Invention
The invention mainly aims to provide a horizontal self-priming centrifugal pump which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a horizontal self-priming centrifugal pump comprises a base and a motor, wherein the motor is arranged above the base, a water storage tank is arranged at the position of an output shaft of the motor, an impeller is arranged inside the water storage tank, the impeller is arranged on the surface of the output shaft, a water inlet pipe and a water outlet pipe are arranged on the surface of the water storage tank, flanges are arranged at the positions of the water inlet pipe and the water outlet pipe, a sealing disc is arranged at the connecting position of the water storage tank and the water inlet pipe, and a sealing assembly is arranged inside the sealing disc;
the sealing component comprises two disc racks, each disc rack comprises an inner ring rack and an outer ring rack, the inner ring racks pass through the connecting rods in the outer ring racks, the inner ring racks are fixedly mounted on the surface of the motor output shaft, the outer ring racks are completely located in the sealing discs, and are fixedly connected and adjacent to each other through a plurality of partition plates between the disc racks, sealing plates are movably mounted between the partition plates, and the surfaces of all the sealing plates are provided with rebounding devices, so that the sealing plates are always located between the two disc racks.
The isolation plates are all installed at the positions of the connecting rods, the width of each isolation plate is smaller than that of each connecting rod, the distance between the positions of the inner ring frames of the two disc racks is smaller than that between the outer ring frames, the sealing plates are fan-shaped, the thickness of one side close to the circle center is smaller than that of one side far away from the circle center, and the transformation trend is linear.
The rebounding device comprises elastic ropes, wherein one side, away from the circle center, of each sealing plate is provided with a groove, each elastic rope is clamped inside the corresponding groove, a connecting block is installed on the inner side of each elastic rope, and each connecting block is installed on the surface of each isolating plate and located between every two adjacent sealing plates.
The cross section of the connecting rod at the same position of the two disk racks is in an inverted V shape, the isolation plate is arranged in the middle of the connecting rod, and the opposite positions of the two connecting rods at the same vertical position are close to each other.
And a fixing device is arranged between the inner ring frame and the sealing plate.
Fixing device includes the carriage release lever, logical groove has been seted up on the surface of interior ring frame, the internally mounted who leads to the groove has the down tube, the position that the down tube is close to the interior ring frame centre of a circle is less than the one end of keeping away from the centre of a circle, the spring has been cup jointed on the surface of down tube, the one end of spring is connected on the inner wall that leads to the groove, the surface at the down tube is installed to the other end of spring, the locked groove has been seted up on the surface of closing plate, the degree of depth of locked groove is less than the relative height of down tube.
The mounting groove has been seted up to sealed inside of dish, the internally mounted of mounting groove has elastic component and mount pad, the surface at the mount pad is installed to the one end of elastic component, the internally mounted of mount pad has the circle axle, the inside of the surperficial outstanding mount pad of circle axle.
Sealing bearings are installed on the surfaces of the two disc racks, the inner walls of the sealing bearings are fixedly connected with the surfaces of the disc racks, and the outer walls of the sealing bearings are fixed on the inner walls of the sealing discs, so that a relatively sealed state is formed between the two sealing bearings.
And blind plates are arranged at the positions of the water holes of the two flanges.
The water storage tank is in a volute shape, the diameter of the impeller is half of the maximum diameter of the water storage tank, and the impeller is installed at the position of the diameter corresponding to the water storage tank.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through arranging the disc frame, the sealing plate and the sealing disc, the output shaft of the motor indirectly drives the sealing plate to rotate, and the sealing plate is subjected to stress analysis in the process of separating from a blank area, wherein the stress analysis comprises the friction force of the inner ring frame, the outer ring frame and the isolation plate, and the total stress analysis is F Resistance block Resistance F of the rebounding device Bullet Centrifugal force F Separation device The calculation formula of the centrifugal force is as follows: f Separating from = MWR, only MVR needs to be guaranteed>F Resistance device +F Bullet Wherein M is gravity, W is the angular velocity of the rotation of the motor output shaft, R is the radius of the sealing plate to the center of the circle, and F is satisfied Separation device >F Resistance block +F Bullet The closing plate just can break away from blank area, and outside water just can enter into the inside of water storage tank this moment, and when stall, centrifugal force disappears, and under resilient means's effort, the closing plate is closed again, just can be with the certain water of the inside storage of water storage tank, need not carry out extra watering.
2. According to the invention, the sealing plate is arranged in a fan shape, the thickness of one side close to the circle center is smaller than that of one side far away from the circle center, and the transformation trend shows linear change.
3. According to the invention, the groove and the elastic rope are arranged, the elastic rope is clamped in the groove, the elastic rope can be prevented from being separated from the surface of the sealing plate in the stretching process, the connecting block is arranged on the inner side of the elastic rope, the connecting block is arranged on the surface of the isolation plate and is positioned between two adjacent sealing plates, the elastic rope is fixed by the connecting block, the elastic rope is prevented from escaping, and meanwhile, the elastic rope is very simple in rebounding structure and low in cost.
4. According to the invention, through the arrangement of the moving rod, the inclined rod and the spring, the moving rod can also do centrifugal motion in the rotation process of the output shaft of the motor, the moving rod can move along the inclined rod, the surface of the sealing plate is provided with the locking groove, the depth of the locking groove is smaller than the relative height of the inclined rod, the inclined rod plays a role in guiding at the moment, the moving rod is far away from the inside of the locking groove, then the sealing plate can be separated from a blank area by continuing to rotate, the water pumping function is realized, and the sealing plate can be prevented from being opened due to self gravity in the carrying process.
5. According to the invention, the two sealing bearings are arranged, so that a relatively sealed state is formed between the two sealing bearings, the sealing property of the sealing component is further ensured, and the outflow of stored water in the water storage tank is reduced as much as possible.
Drawings
FIG. 1 is a schematic view of the overall structure of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 2 is a partial schematic structural view of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 3 is a partial structural diagram of the impeller position of the horizontal self-priming centrifugal pump according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a sealing disk of the horizontal self-priming centrifugal pump according to the present invention;
FIG. 5 is a schematic cross-sectional view of a seal disk of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 6 is a schematic view of a disk rack position splitting structure of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 7 is a schematic view of the sealing bearing position of the horizontal self-priming centrifugal pump according to the present invention;
FIG. 8 is a schematic top view of a sealing disk of a horizontal self-priming centrifugal pump according to the present invention;
fig. 9 is an enlarged schematic view of the structure at a position a of fig. 8 of the horizontal self-priming centrifugal pump of the present invention.
In the figure: 1. a base; 2. a motor; 3. a water storage tank; 4. an impeller; 5. a water inlet pipe; 6. a water outlet pipe; 7. a flange; 8. sealing the disc; 9. a disc frame; 91. an inner ring frame; 92. an outer ring frame; 93. a connecting rod; 94. a separator plate; 95. a sealing plate; 10. an elastic cord; 11. a groove; 12. connecting blocks; 13. a travel bar; 14. a through groove; 15. a diagonal rod; 16. a spring; 17. locking the groove; 18. mounting grooves; 19. an elastic member; 20. a mounting base; 21. a circular shaft; 22. sealing the bearing; 23. and (4) a blind plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
As shown in fig. 1-9, the pump comprises a base 1 and a motor 2, as shown in fig. 1, the motor 2 is installed above the base 1, when the pump is installed, the base 1 needs to be placed on a horizontal ground, a water storage tank 3 is installed at the position of an output shaft of the motor 2, an impeller 4 is installed inside the water storage tank 3, the impeller 4 is installed on the surface of the output shaft, the output shaft of the motor 2 drives the impeller 4 to rotate, so that negative pressure is formed in the middle of the impeller 4, a water inlet pipe 5 and a water outlet pipe 6 are installed on the surface of the water storage tank 3, water can be sucked into the water storage tank 3 from the water inlet pipe 5, through the rotation of the impeller 4, water is thrown out of the position of the water outlet pipe 6 from the positions of the water inlet pipe 5 and the water outlet pipe 6, and a flange 7 is installed, the whole pump body is convenient to install by using the flange 7, a sealing disc 8 is installed at the connecting position of the water storage tank 3 and the water inlet pipe 5, the diameter of the sealing disc 8 is smaller than that of the water storage tank 3 and larger than that of the water inlet pipe 5, a sealing assembly is installed inside of the water storage tank 8, and the water storage tank 5 is used for separating the water storage tank 3;
the sealing assembly comprises two disc frames 9, as shown in fig. 6, the disc frame 9 comprises an inner ring frame 91 and an outer ring frame 92, the diameter of the sealing disc 8 is smaller than twice the difference between the inner ring frame 91 and the outer ring frame 92, the inner ring frame 91 is arranged inside the outer ring frame 92 through a connecting rod 93, the circle centers of the inner ring frame 91 and the outer ring frame 92 are positioned on the same vertical straight line, the inner ring frame 91 is fixedly arranged on the surface of the output shaft of the motor 2, the output shaft of the motor 2 can drive the inner ring frame 91 and the outer ring frame 92 to rotate at the same time, the outer ring frame 92 is completely positioned in the sealing disc 8, in this embodiment, the outer ring holder 92 has the same inner diameter as the seal disk 8, and the two disk holders 9 are fixedly connected by a plurality of partition plates 94, as shown in fig. 6, divided into four regions in total, and the area is fan-shaped, a sealing plate 95 is movably installed between two adjacent isolation plates 94, the sealing plate 95 covers the blank area to form the whole sealing assembly, in the process that the output shaft of the motor 2 drives the whole disc rack 9 to rotate, because the outer ring frame 92, the inner ring frame 91, the connecting rod 93 and the isolation plate 94 are directly or indirectly fixedly connected with the output shaft of the motor 2, only corresponding rotary motion is carried out, however, the movable sealing plate 95 is centrifugally moved during the rotation, so that the blank area is opened, and it should be noted that, a guide means may be provided between the sealing plate 95 and the inner ring frame 91 or the outer ring frame 92, the sealing plates 95 are guided, which is not described in detail in this embodiment, and all the surfaces of the sealing plates 95 are provided with a resilient means, so that the sealing plates 95 are always located between the two disk holders 9, the sealing plate 95 may be returned to the initial position by a resilient means when not rotating.
In the process, the output shaft of the motor 2 indirectly drives the sealing plate 95 to rotate, and the sealing plate 95 is subjected to stress analysis in the process of separating from the blank area, wherein the stress analysis includes the friction force of the inner ring frame 91, the outer ring frame 92 and the isolation plate 94, and the total stress analysis becomes F Resistance block Resistance F of the rebounding device Bullet Centrifugal force F Separating from The calculation formula of the centrifugal force is as follows: f Separating from = MWR, only MVR needs to be guaranteed>F Resistance block +F Bullet Wherein M is gravity, W is the angular velocity of the rotation of the output shaft of the motor 2, and R is the radius of the sealing plate 95 to the center of the circle when F is satisfied Separating from >F Resistance block +F Bullet The closing plate 95 just can break away from the blank area, and outside water just can enter into the inside of water storage tank 3 this moment, and when stall, centrifugal force disappears, and under resilient means's effort, closing plate 95 is reclosed, just can be with the certain water of inside storage of water storage tank 3, need not carry out extra watering.
The isolation plates 94 are all installed at the position of the connecting rod 93, the width of each isolation plate is smaller than that of the connecting rod 93, the distance between the positions of the inner ring frames 91 of the two disk frames 9 is smaller than that between the outer ring frames 92, in order to enable the whole disk frame 9 to be in a state that the middle is flat and the outer side is thick, the sealing plate 95 is arranged in a fan shape, the thickness of one side close to the center of a circle is smaller than that of one side far away from the center of a circle, and the transformation trend shows linear change.
As shown in fig. 6, the resilient means includes elastic cord 10, the number of elastic cord 10 can be set to one or four, if one elastic cord 10 is selected, then the shape of elastic cord 10 is set to be circular, four sealing plates 95 can be bound together at the same time, one side of each sealing plate 95 far away from the center of a circle is provided with a groove 11, elastic cord 10 is clamped inside groove 11, it can be prevented that elastic cord 10 is in the stretching process, the surface of sealing plate 95 is separated, connecting block 12 is installed on the inner side of elastic cord 10, connecting block 12 is installed on the surface of isolating plate 94, be located between two adjacent sealing plates 95, elastic cord 10 is fixed by connecting block 12, prevent elastic cord 10 from escaping, it is also very simple to utilize elastic cord 10 to rebound structure, if four elastic cords 10 are selected, then each elastic cord 10 corresponds to one sealing plate 95.
The cross-section of the connecting rod 93 of two disk racks 9 same positions sets up to "V"'s shape, and division board 94 is installed in the intermediate position of connecting rod 93, and the relative position of two connecting rods 93 of same vertical position is close to each other, and the shape of connecting rod 93 sets up to have less elastic property, can clip the surface of closing plate 95 to this can ensure holistic sealing performance, prevents that the water sealed inside water storage tank 3 from leaking.
Be equipped with fixing device between interior ring frame 91 and the closing plate 95, utilize fixing device to fix the closing plate 95 is indirect, guarantee carrying the in-process, closing plate 95 can not drop because of the reason of self gravity.
Fixing device includes carriage release lever 13, logical groove 14 has been seted up on the surface of interior ring holder 91, the internally mounted who leads to groove 14 has down tube 15, the position that down tube 15 is close to the interior ring holder 91 centre of a circle is less than the one end of keeping away from the centre of a circle, spring 16 has been cup jointed on the surface of down tube 15, spring 16's the other end is connected on the inner wall that leads to groove 14, the surface at down tube 15 is installed to the other end, in the rotation process of the output shaft of motor 2, can make carriage release lever 13 also be centrifugal motion, carriage release lever 13 can remove along down tube 15, locked groove 17 has been seted up on the surface of closing plate 95, the degree of depth of locked groove 17 is less than the relative height of down tube 15, guide effect is done this moment to down tube 15, make carriage release lever 13 keep away from the inside of locked groove 17, then continue to rotate and just can make closing plate 95 break away from the blank area, realize the function of drawing water.
Mounting groove 18 has been seted up to sealed dish 8's inside, the internally mounted of mounting groove 18 has elastic component 19 and mount pad 20, the surface at mount pad 20 is installed to the one end of elastic component 19, the internally mounted of mount pad 20 has circle axle 21, the inside of the surperficial outstanding mount pad 20 of circle axle 21, when closing plate 95 at the pivoted in-process, break away from blank region, will remove to the position of circle axle 21, because circle axle 21 sets up two positions about sealed dish 8 is inside, consequently closing plate 95 card is in the position of longitudinal symmetry, can guarantee that the output shaft of motor 2 keeps stable at the pivoted in-process.
Sealing bearings 22 are installed on the surfaces of the two disc racks 9, the inner walls of the sealing bearings 22 are fixedly connected with the surfaces of the disc racks 9, and the outer walls of the sealing bearings 22 are fixed on the inner walls of the sealing discs 8, so that a relatively sealed state is formed between the two sealing bearings 22, the sealing performance of the sealing assembly is further guaranteed, and the outflow of stored water in the water storage tank 3 is reduced as much as possible.
The blind plates 23 are arranged at the positions of the water passing holes of the two flanges 7, and finally the blind plates 23 are used for sealing, so that the integral sealing performance is improved again.
The water storage tank 3 is set to be volute-shaped, the diameter of the impeller 4 is set to be half of the maximum diameter of the water storage tank 3, the impeller 4 is installed at the position of the diameter corresponding to the water storage tank 3, and a sealing device is installed at the positions of the water storage tank 3 and the output shaft of the motor 2 to prevent water flow from entering the motor 2.
It should be noted that, the present invention is a horizontal self-priming centrifugal pump, when in use, the output shaft of the motor 2 indirectly drives the sealing plate 95 to rotate, the sealing plate 95 can be separated from the blank area, at this time, external water can enter the inside of the water storage tank 3, at this time, the elastic rope 10 is in a stretched state, and the sealing plate 95 is reclosed to store a certain amount of water inside the water storage tank 3, and no additional water filling is required, when the output shaft of the motor 2 stops rotating, the sealing plate 95 is reclosed under the effect of the resilience of the elastic rope 10, during the sealing process, because the sealing plate 95 always moves towards the center of the disk rack 9, because of the special shape of the sealing plate 95, the closer to the inner ring rack 91, the greater the thickness of the clamping position of the surface of the sealing plate with the inner ring rack 91, the closer to the same sealing plate 95, the smaller gap between the sealing plate 95 and the outer ring rack 92, the sealing property is ensured, and at this time, the shape of the connecting rod 93 is set to be "inverted V" and have smaller elastic force, and the sealing plate 95 can clamp the sealing surface of the sealing plate, so as to prevent the sealing plate 95 from leaking water inside of the water storage tank.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a horizontal self-priming centrifugal pump, includes base (1) and motor (2), the top at base (1) is installed in motor (2), output shaft position installation water storage tank (3) of motor (2), the internally mounted of water storage tank (3) has impeller (4), the surface at the output shaft is installed in impeller (4), the surface mounting of water storage tank (3) has inlet tube (5) and outlet pipe (6), flange (7), its characterized in that are all installed to the position of inlet tube (5) and outlet pipe (6): a sealing disc (8) is arranged at the connecting position of the water storage tank (3) and the water inlet pipe (5), and a sealing assembly is arranged inside the sealing disc (8);
the sealing assembly comprises two disc racks (9), each disc rack (9) comprises an inner ring rack (91) and an outer ring rack (92), each inner ring rack (91) is arranged inside each outer ring rack (92) through a connecting rod (93), each inner ring rack (91) is fixedly arranged on the surface of an output shaft of the motor (2), each outer ring rack (92) is completely arranged inside each sealing disc (8), each disc rack (9) is fixedly connected through a plurality of partition plates (94), each two adjacent disc racks are movably arranged between the partition plates (94), and each sealing plate (95) is provided with a sealing plate (95) on the surface and provided with a rebound device, so that each sealing plate (95) is always arranged between the two disc racks (9).
2. A horizontal self-priming centrifugal pump according to claim 1, characterized in that: the isolation plates (94) are all installed at the positions of the connecting rods (93), the width of each isolation plate is smaller than that of each connecting rod (93), the distance between the positions of the inner ring frames (91) of the two disc frames (9) is smaller than that between the outer ring frames (92), the sealing plates (95) are arranged in a fan shape, the thickness of one side close to the circle center is smaller than that of one side far away from the circle center, and the transformation trend is linear.
3. A horizontal self-priming centrifugal pump according to claim 1, characterized in that: the rebounding device comprises elastic ropes (10), a groove (11) is formed in one side, far away from the circle center, of each sealing plate (95), the elastic ropes (10) are clamped inside the groove (11), connecting blocks (12) are installed on the inner sides of the elastic ropes (10), the connecting blocks (12) are installed on the surfaces of the isolation plates (94), and the sealing plates are located between every two adjacent sealing plates (95).
4. The horizontal self-priming centrifugal pump according to claim 1, wherein: the cross section of the connecting rod (93) of the two disc racks (9) at the same position is arranged to be in an inverted V shape, the isolation plate (94) is arranged at the middle position of the connecting rod (93), and the opposite positions of the two connecting rods (93) at the same vertical position are close to each other.
5. The horizontal self-priming centrifugal pump according to claim 1, wherein: and a fixing device is arranged between the inner ring frame (91) and the sealing plate (95).
6. A horizontal self-priming centrifugal pump according to claim 5, characterized in that: fixing device includes carriage release lever (13), logical groove (14) have been seted up on the surface of inner ring frame (91), the internally mounted who leads to groove (14) has down tube (15), the position that down tube (15) are close to inner ring frame (91) centre of a circle is less than the one end of keeping away from the centre of a circle, spring (16) have been cup jointed on the surface of down tube (15), the one end of spring (16) is connected on the inner wall that leads to groove (14), the surface at down tube (15) is installed to the other end of spring (16), locked groove (17) have been seted up on the surface of closing plate (95), the degree of depth of locked groove (17) is less than the relative height of down tube (15).
7. The horizontal self-priming centrifugal pump according to claim 1, wherein: mounting groove (18) have been seted up to the inside of sealed dish (8), the internally mounted of mounting groove (18) has elastic component (19) and mount pad (20), the surface at mount pad (20) is installed to the one end of elastic component (19), the internally mounted of mount pad (20) has circle axle (21), the inside of the surperficial outstanding mount pad (20) of circle axle (21).
8. A horizontal self-priming centrifugal pump according to claim 1, characterized in that: sealing bearings (22) are mounted on the surfaces of the two disc racks (9), the inner walls of the sealing bearings (22) are fixedly connected with the surfaces of the disc racks (9), and the outer walls of the sealing bearings (22) are fixed on the inner walls of the sealing discs (8), so that a relative sealing state is formed between the two sealing bearings (22).
9. A horizontal self-priming centrifugal pump according to claim 1, characterized in that: blind plates (23) are arranged at the positions of the water holes of the two flanges (7).
10. A horizontal self-priming centrifugal pump according to claim 1, characterized in that: the water storage tank (3) is in a volute shape, the diameter of the impeller (4) is half of the maximum diameter of the water storage tank (3), and the impeller (4) is installed at the position of the diameter corresponding to the water storage tank (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310009868.7A CN115750382B (en) | 2023-01-05 | 2023-01-05 | Horizontal self-priming centrifugal pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310009868.7A CN115750382B (en) | 2023-01-05 | 2023-01-05 | Horizontal self-priming centrifugal pump |
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| Publication Number | Publication Date |
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| CN115750382A true CN115750382A (en) | 2023-03-07 |
| CN115750382B CN115750382B (en) | 2023-11-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207513850U (en) * | 2017-10-16 | 2018-06-19 | 深圳市益日新环保设备有限公司 | A kind of self priming centrifugal pump |
| US20200158115A1 (en) * | 2018-11-19 | 2020-05-21 | Amos Fluid Technology Co., Ltd. | Inertia vacuum assisted self-priming pump |
| CN214118490U (en) * | 2020-11-25 | 2021-09-03 | 萨来力(上海)汽车水泵有限公司 | Self-suction centrifugal pump |
-
2023
- 2023-01-05 CN CN202310009868.7A patent/CN115750382B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207513850U (en) * | 2017-10-16 | 2018-06-19 | 深圳市益日新环保设备有限公司 | A kind of self priming centrifugal pump |
| US20200158115A1 (en) * | 2018-11-19 | 2020-05-21 | Amos Fluid Technology Co., Ltd. | Inertia vacuum assisted self-priming pump |
| CN214118490U (en) * | 2020-11-25 | 2021-09-03 | 萨来力(上海)汽车水泵有限公司 | Self-suction centrifugal pump |
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| Publication number | Publication date |
|---|---|
| CN115750382B (en) | 2023-11-03 |
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