CN115750382B - Horizontal self-priming centrifugal pump - Google Patents
Horizontal self-priming centrifugal pump Download PDFInfo
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- CN115750382B CN115750382B CN202310009868.7A CN202310009868A CN115750382B CN 115750382 B CN115750382 B CN 115750382B CN 202310009868 A CN202310009868 A CN 202310009868A CN 115750382 B CN115750382 B CN 115750382B
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- 238000007789 sealing Methods 0.000 claims abstract description 140
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000002955 isolation Methods 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 16
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000004364 calculation method Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation 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
- 238000005192 partition Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
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. The invention relates to a horizontal self-priming centrifugal pump, which is characterized in that a disc frame, a sealing plate and a sealing disc are arranged, an output shaft of a motor indirectly drives the sealing plate to rotate, and the sealing plate carries out stress analysis on the sealing plate in the process of separating from a blank area, wherein the friction force of the sealing plate comprising an inner ring frame, an outer ring frame and a separation plate is generally F Resistance resistor Resistance F of rebound device Bullet Centrifugal force F Separation of The centrifugal force has the following calculation formula: f (F) Separation of =mwr, only need to guarantee MVR>F Resistance resistor +F Bullet The outside water just can enter into the inside of water storage tank, and when stopping rotating, centrifugal force disappears, and under resilient mounting's effort, the closing plate recloses, just can store certain water with the inside of water storage tank, 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 uses the impeller to rotate at high speed to make the water in the impeller channel flow to the volute, at this moment, the inlet forms vacuum to open the water inlet check valve, the air in the suction pipe enters the pump and reaches the outer edge through the impeller channel, and the liquid can flow out from the water outlet through the drainage function of the impeller surface vane.
In general, manual irrigation is needed, so that the use is inconvenient, in order to solve the problem of manual irrigation, a full-automatic self-priming pump appears in the market, the inside of the pump body does not need to be irrigated, but a series of control systems and sensors are matched, the inside of the self-priming pump is guaranteed to be capable of absorbing water first, the inside of the pump body is filled with water, and then the pump body is started, and the cost required by the mode is relatively high.
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 above purpose, the technical scheme adopted by the invention is as follows: the 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 in 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 connection position of the water storage tank and the water inlet pipe, and a sealing assembly is arranged in the sealing disc;
the sealing assembly comprises two disc frames, each disc frame comprises an inner ring frame and an outer ring frame, the inner ring frames are fixed in the outer ring frames through connecting rods, the inner ring frames are fixedly installed on the surface of an output shaft of a motor, the outer ring frames are completely located in the sealing disc, two disc frames are fixedly connected through a plurality of isolation plates, sealing plates are movably installed between every two adjacent isolation plates, and rebound devices are installed on the surfaces of all sealing plates, so that the sealing plates are always located between the two disc frames.
The division board is all installed in the position of connecting rod, and the width is less than the width of connecting rod, two the distance between the interior ring frame position of disc frame is less than the distance between the outer loop frame, the closing plate sets up to fan-shaped, and the one side thickness that is close to the centre of a circle is less than the one side of keeping away from the centre of a circle, and the transformation trend presents linear change.
The elastic rope is clamped in the groove, a 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 located between two adjacent sealing plates.
The cross sections of the connecting rods at the same position of the disc frame are in an inverted V shape, the isolating plate is arranged at the middle position of the connecting rods, 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.
The fixing device comprises a moving rod, a through groove is formed in the surface of the inner ring frame, an inclined rod is arranged in the through groove, the position of the inclined rod, close to the center of the inner ring frame, is lower than one end away from the center of the circle, a spring is sleeved on the surface of the inclined rod, one end of the spring is connected onto the inner wall of the through groove, the other end of the spring is arranged on the surface of the inclined rod, a locking groove is formed in the surface of the sealing plate, and the depth of the locking groove is smaller than the relative height of the inclined rod.
The inside of sealing disk has seted up the mounting groove, 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 protruding mount pad of surface protrusion of circle axle.
The surface of the two disc frames is provided with sealing bearings, the inner walls of the sealing bearings are fixedly connected with the surface of the disc frames, 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.
Blind plates are arranged at the water passing holes of the two flanges.
The shape of the water storage tank is set to be volute, the diameter of the impeller is set to be half of the maximum diameter of the water storage tank, and the impeller is arranged at the corresponding diameter position of the water storage tank.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, the output shaft of the motor indirectly drives the sealing plate to rotate by arranging the disc frame, the sealing plate and the sealing plate, and the sealing plate is subjected to stress analysis in the process of separating from a blank area, wherein the friction force of the inner ring frame, the outer ring frame and the isolation plate is generally F Resistance resistor Resistance F of rebound device Bullet Centrifugal force F Separation of The centrifugal force has the following calculation formula: f (F) Separation of =mwr, only need to guarantee MVR>F Resistance resistor +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 a circle, and when F is satisfied Separation of >F Resistance resistor +F Bullet The sealing plate can be separated from the blank area, at the moment, outside water can enter the water storage tank, when the rotation is stopped, the centrifugal force disappears, and under the action force of the rebound device, the sealing plate is closed again, so that certain water can be stored in the water storage tank, and additional water filling is not needed.
2. In the invention, the sealing plate is arranged in a fan shape, the thickness of one side close to the center is smaller than that of one side far away from the center, and the transformation trend shows linear change, in the sealing process, because the sealing plate always moves towards the center position of the disc frame, the sealing plate is closer to the inner ring frame due to the special shape, the thickness of the clamping position of the surface of the sealing plate and the inner ring frame is larger, the sealing is also tighter, and the gap between the same sealing plate and the outer ring frame is smaller until the sealing is completed, so that the sealing performance can be ensured.
3. According to the invention, the elastic rope is clamped in the groove by arranging the groove and the elastic rope, so that the elastic rope is clamped in the groove, the elastic rope can be prevented from separating from the surface of the sealing plates in the stretching process, the connecting blocks are arranged on the inner sides of the elastic rope and are arranged on the surface of the isolation plate and positioned between two adjacent sealing plates, the elastic rope is fixed by the connecting blocks, the elastic rope is prevented from escaping, and meanwhile, the elastic rope is also quite simple in rebound structure and low in cost.
4. According to the invention, the movable rod, the inclined rod and the spring are arranged, so that the movable rod can also centrifugally move in the rotation process of the output shaft of the motor, the movable 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 is guided at the moment, the movable rod is far away from the inside of the locking groove, and then the sealing plate can be separated from a blank area by continuing to rotate, so that 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 tightness of the sealing assembly 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 diagram of the overall structure of a horizontal self-priming centrifugal pump of the present invention;
FIG. 2 is a schematic view of a part of the structure of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 3 is a schematic view of a part of the structure of the impeller of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a sealing disc of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 5 is a schematic cross-sectional view of a sealing disk of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 6 is a schematic diagram of a horizontal self-priming centrifugal pump disc rack position splitting structure according to the present invention;
FIG. 7 is a schematic view of the seal bearing position of a horizontal self-priming centrifugal pump according to the present invention;
FIG. 8 is a schematic top view of a horizontal self-priming centrifugal pump sealing disk in a top view position;
fig. 9 is an enlarged schematic view of the structure of the horizontal self-priming centrifugal pump at a position a in fig. 8.
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. a sealing plate; 9. a disc rack; 91. an inner ring frame; 92. an outer ring frame; 93. a connecting rod; 94. a partition plate; 95. a sealing plate; 10. an elastic rope; 11. a groove; 12. a connecting block; 13. a moving rod; 14. a through groove; 15. a diagonal rod; 16. a spring; 17. a locking groove; 18. a mounting groove; 19. an elastic member; 20. a mounting base; 21. a circular shaft; 22. sealing the bearing; 23. a blind plate.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1-9, the water storage device comprises a base 1 and a motor 2, wherein the motor 2 is arranged above the base 1, when the water storage device is arranged on the horizontal ground, the base 1 is required to be arranged on the horizontal ground, a water storage tank 3 is arranged at the position of an output shaft of the motor 2, an impeller 4 is arranged in the water storage tank 3, the impeller 4 is arranged 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 at the middle part of the impeller 4, a water inlet pipe 5 and a water outlet pipe 6 are arranged 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, a flange 7 is arranged at the position of the water inlet pipe 5 and the water outlet pipe 6 through the rotation of the impeller 4, the whole pump body is conveniently arranged by the flange 7, a sealing disc 8 is arranged 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, the diameter of the water storage tank 5 is larger than that the water inlet pipe 5 is arranged, and a sealing component is arranged in the water storage tank 3, so that the water can be stored by the sealing component and the water storage tank 3;
the sealing assembly comprises two disc frames 9, as shown in fig. 6, the disc frames 9 comprise an inner ring frame 91 and an outer ring frame 92, the diameter of the sealing disc 8 is smaller than the difference between the inner ring frame 91 and the outer ring frame 92, the inner ring frame 91 is fixed in 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 an output shaft of the motor 2, the inner ring frame 91 and the outer ring frame 92 can be driven to rotate while the output shaft of the motor 2 rotates, the outer ring frame 92 is completely positioned in the sealing disc 8, in the embodiment, the inner diameter of the outer ring frame 92 is identical to the inner diameter of the sealing disc 8, the two disc frames 9 are fixedly connected through a plurality of separating plates 94, as shown in fig. 6, the shape of the region is divided into four areas, a fan-shaped shape is movably arranged between two adjacent separating plates 94, the sealing plate 95 covers the blank area to form a whole sealing assembly, in the process that the output shaft of the motor 2 drives the whole disc frame 9 to rotate, as the outer ring frame 92, the inner ring frame 91, the connecting rod 93 and the isolating plate 94 are directly or indirectly fixedly connected with the output shaft of the motor 2, only corresponding rotation movement can be performed, but the movable sealing plate 95 can perform centrifugal movement in the rotating process, so that the blank area is opened, and note that a guiding device can be arranged between the sealing plate 95 and the inner ring frame 91 or the outer ring frame 92 to guide the sealing plate 95, in the embodiment, the detailed description is omitted, the surfaces of all the sealing plates 95 are provided with rebound devices, so that the sealing plate 95 is always positioned between the two disc frames 9, and when the rotation is not performed, the sealing plate 95 may be returned to the original position using a rebound device.
In the process, the output shaft of the motor 2 indirectly drives the sealing plate 95 to rotate, and the sealing plate 95 carries out stress analysis on the sealing plate 95 in the process of separating from a blank area, wherein the friction force comprising the inner ring frame 91, the outer ring frame 92 and the isolation plate 94 is generally F Resistance resistor Resistance F of rebound device Bullet Centrifugal force F Separation of The centrifugal force has the following calculation formula: f (F) Separation of =mwr, only need to guarantee MVR>F Resistance resistor +F Bullet Wherein M is gravity, W is the angular velocity of rotation of the output shaft of the motor 2, R is the radius of the sealing plate 95 to the center of a circle, and when F is satisfied Separation of >F Resistance resistor +F Bullet The sealing plate 95 can be separated from the blank area, at this time, external water can enter the water storage tank 3, when the rotation is stopped, the centrifugal force disappears, and under the action of the rebound device, the sealing plate 95 is closed again, so that certain water can be stored in the water storage tank 3, and additional water filling is not needed.
The spacer 94 is installed at the position of the connecting rod 93, the width is smaller than the width of the connecting rod 93, the distance between the positions of the inner ring frames 91 of the two disc frames 9 is smaller than the distance between the positions of the outer ring frames 92, in order to make the whole disc frame 9 in a middle flat and outer thick state, the sealing plate 95 is set to be fan-shaped, the thickness of one side close to the center is smaller than that of one side far away from the center, and the changing trend shows linear change, in the sealing process, the sealing plate 95 always moves towards the center position of the disc frame 9, therefore, the sealing plate 95 is closer to the inner ring frame 91, the thickness of the sealing plate 95 is larger from the center position to the edge position, and therefore, when the sealing plate 95 moves towards the inner ring frame 91, the thickness of the clamping position of the inner ring frame 91 and the sealing plate 95 is larger, so that the sealing is also tighter, and the same sealing plate 95 is closer to the outer ring frame 92, the gap between the sealing plate and the outer ring frame 92 is smaller until the sealing is completely ensured.
As shown in FIG. 6, the rebound device comprises elastic ropes 10, the number of the elastic ropes 10 can be one or four, if one elastic rope 10 is selected, the elastic ropes 10 are required to be in a round shape, four sealing plates 95 can be bound together at the same time, a groove 11 is formed in one side, far away from the center of a circle, of each sealing plate 95, the elastic ropes 10 are clamped in the groove 11, the elastic ropes 10 can be prevented from being separated from the surfaces of the sealing plates 95 in the stretching process, connecting blocks 12 are mounted on the inner sides of the elastic ropes 10, the connecting blocks 12 are mounted on the surfaces of the isolation plates 94 and are positioned between two adjacent sealing plates 95, the elastic ropes 10 are fixed by the connecting blocks 12, escape of the elastic ropes 10 is prevented, meanwhile, the rebound structure by the elastic ropes 10 is quite simple, and if four elastic ropes 10 are selected, each elastic rope 10 corresponds to one sealing plate 95.
The cross section of the connecting rod 93 at the same position of the two disc frames 9 is set to be in an inverted V shape, the isolation plate 94 is installed at the middle position of the connecting rod 93, the two connecting rods 93 at the same vertical position are mutually close to each other, the shape of the connecting rod 93 is set to have smaller elastic property, the surface of the sealing plate 95 can be clamped, so that the overall sealing performance can be ensured, and water sealed inside the water storage tank 3 is prevented from leaking.
The fixing device is arranged between the inner ring frame 91 and the sealing plate 95, the sealing plate 95 is indirectly fixed by the fixing device, and the sealing plate 95 is prevented from falling due to self gravity in the carrying process.
The fixing device comprises a moving rod 13, a through groove 14 is formed in the surface of an inner ring frame 91, an inclined rod 15 is arranged in the through groove 14, the position of the inclined rod 15, which is close to the center of the inner ring frame 91, is lower than one end, which is far away from the center of the circle, of the inclined rod 15, a spring 16 is sleeved on the surface of the inclined rod 15, one end of the spring 16 is connected to the inner wall of the through groove 14, the other end of the spring 16 is arranged on the surface of the inclined rod 15, the moving rod 13 can also centrifugally move in the rotating process of an output shaft of the motor 2, the moving rod 13 can move along the inclined rod 15, a locking groove 17 is formed in the surface of a sealing plate 95, the depth of the locking groove 17 is smaller than the relative height of the inclined rod 15 (namely, the vertical height from one end to the other end of the inclined rod 15), the inclined rod 15 is in a guiding effect at the moment, the moving rod 13 is far away from the inside of the locking groove 17, and then the sealing plate 95 can be separated from a blank area by continuing to rotate.
The mounting groove 18 has been seted up to the inside of sealing disk 8, the internally mounted of mounting groove 18 has elastic component 19 and mount pad 20, the one end of elastic component 19 is installed on the surface of mount pad 20, the internally mounted of mount pad 20 has round axle 21, the inside of the surperficial salient mount pad 20 of round axle 21, when closing plate 95 break away from blank region in the pivoted in-process, will remove the position to round axle 21, because round axle 21 sets up at the inside upper and lower two positions of sealing disk 8, consequently closing plate 95 card in the upper and lower symmetrical position, can guarantee that the output shaft of motor 2 remains stable at pivoted in-process.
The sealing bearings 22 are arranged on the surfaces of the two disc frames 9, the inner walls of the sealing bearings 22 are fixedly connected with the surfaces of the disc frames 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 tightness of the sealing assembly is further ensured, and the water storage outflow in the water storage tank 3 is reduced as much as possible.
And blind plates 23 are arranged at the water passing holes of the two flanges 7, and finally the blind plates 23 are used for sealing, so that the overall sealing performance is improved again.
The shape of the water storage tank 3 is set to be volute, 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 arranged at the corresponding diameter position of the water storage tank 3, and a sealing device is arranged at the position of an output shaft of the water storage tank 3 and the motor 2 to prevent water flow from entering the motor 2.
In the horizontal self-priming centrifugal pump, when the horizontal self-priming centrifugal pump is used, the output shaft of the motor 2 indirectly drives the sealing plate 95 to rotate, the sealing plate 95 can be separated from a blank area, at the moment, external water can enter the water storage tank 3, in the process, the elastic rope 10 is in a stretched state, the sealing plate 95 is closed again, a certain amount of water can be stored in the water storage tank 3, no extra water filling is needed, when the output shaft of the motor 2 stops rotating, at the moment, the sealing plate 95 is closed again under the action of the rebound force of the elastic rope 10, in the sealing process, the sealing plate 95 always moves towards the center position of the disc frame 9, so that the sealing plate 95 is closer to the inner ring frame 91, the thickness of the clamping position of the surface of the sealing plate 95 is larger, the sealing plate 95 is closer to the outer ring frame 92, the gap between the connecting rod 93 and the outer ring frame 92 is smaller until the sealing is completely completed, the shape of the connecting rod 93 is in a reverse V shape, the sealing performance of the sealing plate can be ensured, and the water can be prevented from being leaked from the surface of the whole water storage tank 3.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. 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 to motor (2), water storage tank (3) is installed in the output shaft position of motor (2), internally mounted of water storage tank (3) has impeller (4), the surface at the output shaft is installed to impeller (4), the surface mounting of water storage tank (3) has inlet tube (5) and outlet pipe (6), flange (7) are all installed in the position of inlet tube (5) and outlet pipe (6), its characterized in that: a sealing disc (8) is arranged at the connection position of the water storage tank (3) and the water inlet pipe (5), and a sealing assembly is arranged in the sealing disc (8);
the sealing assembly comprises two disc frames (9), each disc frame (9) comprises an inner ring frame (91) and an outer ring frame (92), each inner ring frame (91) is fixed inside each outer ring frame (92) through a connecting rod (93), each inner ring frame (91) is fixedly installed on the surface of an output shaft of the motor (2), each outer ring frame (92) is completely located inside each sealing disc (8), two disc frames (9) are fixedly connected through a plurality of isolation plates (94), sealing plates (95) are movably installed between every two adjacent isolation plates (94), and rebound devices are installed on the surfaces of all sealing plates (95) so that the sealing plates (95) are always located between the two disc frames (9).
2. A horizontal self-priming centrifugal pump according to claim 1, wherein: the isolation plates (94) are arranged at the positions of the connecting rods (93), the width of the isolation plates is smaller than that of the connecting rods (93), the distance between the positions of the inner ring frames (91) of the two disc frames (9) is smaller than that between the positions of the outer ring frames (92), the sealing plates (95) are 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 the circle, and the transformation trend shows linear change.
3. A horizontal self-priming centrifugal pump according to claim 1, wherein: the rebound device comprises elastic ropes (10), a groove (11) is formed in one side, away from the center of a circle, of each sealing plate (95), the elastic ropes (10) are clamped in the grooves (11), connecting blocks (12) are arranged on the inner sides of the elastic ropes (10), the connecting blocks (12) are arranged on the surfaces of the isolation plates (94), and the connecting blocks are located between two adjacent sealing plates (95).
4. A horizontal self-priming centrifugal pump according to claim 1, wherein: the cross sections of the connecting rods (93) at the same position of the disc frames (9) are in an inverted V shape, the isolating plates (94) are arranged at the middle positions of the connecting rods (93), and the opposite positions of the two connecting rods (93) at the same vertical position are close to each other.
5. A horizontal self-priming centrifugal pump according to claim 1, wherein: a fixing device is arranged between the inner ring frame (91) and the sealing plate (95).
6. The horizontal self-priming centrifugal pump of claim 5, wherein: the fixing device comprises a moving rod (13), a through groove (14) is formed in the surface of the inner ring frame (91), an inclined rod (15) is arranged in the through groove (14), the position of the inclined rod (15) close to the center of the inner ring frame (91) is lower than one end far away from the center of the circle, a spring (16) is sleeved on the surface of the inclined rod (15), one end of the spring (16) is connected to the inner wall of the through groove (14), the other end of the spring (16) is arranged on the surface of the inclined rod (15), and a locking groove (17) is formed in the surface of the sealing plate (95).
7. A horizontal self-priming centrifugal pump according to claim 1, wherein: the inside of sealing disk (8) has seted up mounting groove (18), 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 surface protrusion mount pad (20) of circle axle (21).
8. A horizontal self-priming centrifugal pump according to claim 1, wherein: the surface of the two disc frames (9) is provided with sealing bearings (22), the inner walls of the sealing bearings (22) are fixedly connected with the surface of the disc frames (9), and the outer walls of the sealing bearings (22) are fixed on the inner walls of the sealing discs (8) so that the two sealing bearings (22) form a relatively sealed state.
9. A horizontal self-priming centrifugal pump according to claim 1, wherein: blind plates (23) are arranged at the water passing holes of the two flanges (7).
10. A horizontal self-priming centrifugal pump according to claim 1, wherein: the shape of the water storage tank (3) is set to be volute, the diameter of the impeller (4) is set to be half of the maximum diameter of the water storage tank (3), and the impeller (4) is arranged at the corresponding diameter position of 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 CN115750382A (en) | 2023-03-07 |
| CN115750382B true CN115750382B (en) | 2023-11-03 |
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Citations (2)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296546A (en) * | 2018-11-19 | 2019-02-01 | 安徽阿莫斯流体技术有限公司 | A kind of inert vacuum auxiliary self priming pump |
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- 2023-01-05 CN CN202310009868.7A patent/CN115750382B/en active Active
Patent Citations (2)
| 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 |
| 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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| CN115750382A (en) | 2023-03-07 |
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