CN219691764U - Novel vortex pump - Google Patents
Novel vortex pump Download PDFInfo
- Publication number
- CN219691764U CN219691764U CN202223231286.3U CN202223231286U CN219691764U CN 219691764 U CN219691764 U CN 219691764U CN 202223231286 U CN202223231286 U CN 202223231286U CN 219691764 U CN219691764 U CN 219691764U
- Authority
- CN
- China
- Prior art keywords
- pump
- ring
- magnetic steel
- left end
- pump shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A novel vortex pump comprises a pump body (13) of a reducing structure, a pump cover (3) is connected to the left end of the pump body in a sealing mode, an impeller (10) is arranged in the pump body, the left end of a pump shaft (19) is fixedly connected with the impeller, a movable ring (9) is sealed in the middle of the pump shaft, the movable ring can only move axially, a disc body (15) extends radially on the right portion of the movable ring, annular magnetic steel (16) and a stationary ring (17) are connected to the right side wall of the pump body in a sealing mode, the stationary ring is located in the inner circle of the magnetic steel, a gap is reserved between the magnetic steel (16) and the disc body (15), the right end face of the movable ring is attached to the left end face of the magnetic steel and the stationary ring, and a bearing (18) is arranged between the right portion of the pump shaft and the pump body. The magnetic attraction force of the magnetic steel ensures that the right end of the movable ring is reliably clung to the static ring, so that the abrasion of the sealing surface can be compensated in time, and the problem of spring fatigue can be avoided; the length of the movable ring is far smaller than that of the mechanical seal, so that the distance between the impeller and the bearing is short, and the vibration of the impeller during operation is reduced.
Description
Technical Field
The present utility model relates to a swirl pump.
Background
The vortex pump comprises a pump body, a pump cover and a pump shaft, wherein the pump cover is connected to the pump body, a cavity is formed between the pump cover and the pump body, one end of the pump shaft is connected with an impeller, the impeller is positioned in the cavity, a mechanical seal is sleeved on the pump shaft, the mechanical seal consists of a movable ring, a stationary ring and a spring, the stationary ring is arranged on the pump body, the movable ring is tightly attached to the stationary ring under the thrust of the spring, and liquid is prevented from leaking along a gap between the pump shaft and the pump body. For sufficient thrust, the spring must be of sufficient length so that the distance between the impeller and the bearing point of the pump shaft (bearing mounted on the wall of the cavity) is long, the impeller being prone to rattle; in addition, the thrust force of the spring is reduced after the spring is fatigued, and the sealing performance is reduced.
Disclosure of Invention
In view of the above problems, the present utility model provides a novel scroll pump that can shorten the distance between the impeller and the bearing point of the pump shaft, reduce the vibration of the impeller during operation, and avoid the problem of spring fatigue.
The technical scheme of the utility model is that the novel vortex pump comprises a pump body 13 with a variable diameter structure, a pump cover 3 is hermetically connected to the left end of a large cylinder 11 of the pump body, an impeller 10 is arranged in the pump body, the left end of a pump shaft 19 is fixedly connected with the impeller, a movable ring 9 is sleeved in the middle of the pump shaft 19, the left part of the movable ring is connected with the pump shaft through a flat key 8, a sealing ring is arranged between the right part of the movable ring and the pump shaft, the novel vortex pump is characterized in that a disk body 15 extends along the radial direction of the right part of the movable ring, annular magnetic steel 16 and a stationary ring 17 are hermetically connected to the right side wall of a small cylinder 14 of the pump body, the stationary ring is positioned in the inner circle of the magnetic steel, a gap is reserved between the magnetic steel 16 and the disk body 15, the right end surface of the movable ring is attached to the left end surface of the magnetic steel, a bearing chamber for installing a bearing 18 is arranged on the right side wall of the small cylinder 14 of the pump body, the right part of the pump shaft is supported by the bearing 18, and the right end of the pump shaft is connected with a motor spindle.
The magnetic steel has the advantages that the magnetic steel is attractive to the disc body of the movable ring, so that the right end of the movable ring is reliably clung to the static ring, the abrasion of the sealing surface can be compensated in time, and the problem of spring fatigue can be avoided; the length of the movable ring is far smaller than that of the mechanical seal, so that the distance between the impeller and the bearing is short, and the vibration of the impeller during operation is reduced.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
The attached sign: 1-base, 2-support, 3-pump cover, 4-internal screw cap, 5-screw, 6-cylinder, 7-top, 8-flat key, 9-moving ring, 10-impeller, 11-big cylinder, 13-pump body, 14-small cylinder, 15-disk, 16-magnet steel, 17-stationary ring, 18-bearing, 19-pump shaft, 20-coupling, 21-motor.
Description of the embodiments
The utility model provides a novel vortex pump, the pump body includes the pump body 13, the pump body comprises the annular slab, big section of thick bamboo 11 and a little section of thick bamboo 14, the excircle department of annular slab extends big section of thick bamboo 11 to the left, the excircle department of annular slab extends little section of thick bamboo 14 to the right, big section of thick bamboo left end connection is sealed has pump cover 3, be equipped with impeller 10 in the big section of thick bamboo, the left end and the impeller fixed connection of pump shaft 19, the middle part cover of pump shaft 19 has movable ring 9, connect through flat key 8 between the left part of movable ring and the pump shaft, be equipped with the sealing washer between the right part of movable ring and the pump shaft, the right part of movable ring radially extends there is disk 15, sealing connection has annular magnet steel 16 and quiet ring 17 on the right side wall of the small section of thick bamboo 14 of the pump body, quiet ring is located the interior circle of magnet steel, parallel and leave the clearance between magnet steel 16 and the disk 15, the excircle of disk is slightly greater than the excircle of magnet steel, the right end face of movable ring has the protruding ring to the right, the ring is pasted with quiet ring left end face, be equipped with the bearing chamber of installing bearing 18 on the right side wall of the small section of thick bamboo 14 of the pump body, the right part of the pump shaft is supported by bearing 18, the right part of the pump shaft is connected with the motor spindle.
In order to improve the stability of the pump shaft, the left end of the pump shaft is supported by a center 7, the center abuts against a center hole of the left end of the pump shaft, a cylinder 6 at the left part of the center is inserted into the pump cover in a sealing manner, the left end face of the pump cover is connected with an inner thread cover 4, a screw 5 is screwed into the inner thread cover, and the screw abuts against the cylinder 6. Thus, the two ends of the pump shaft are supported, and the impeller can be prevented from vibrating more effectively.
The magnetic steel 16 has a concave portion on its left end face, the ring surface of the concave portion near the center of the magnetic steel is N pole, the ring surface of the concave portion near the outer circle of the magnetic steel is S pole, the path of magnetic force lines is shown by the broken line in fig. 1, so that the magnetic leakage can be reduced.
The pump body is connected with the base 1 through the support 2, and the tripod of motor 21 is connected on the base, and motor main shaft and pump shaft coaxial line, motor main shaft are connected with the pump shaft through shaft coupling 20.
Claims (3)
1. The novel vortex pump comprises a pump body (13) with a variable diameter structure, a pump cover (3) is connected to the left end of a large cylinder (11) of the pump body in a sealing way, an impeller (10) is arranged in the large cylinder, the left end of a pump shaft (19) is fixedly connected with the impeller, a movable ring (9) is sleeved in the middle of the pump shaft, the left part of the movable ring is connected with the pump shaft through a flat key (8), and a sealing ring is arranged between the right part of the movable ring and the pump shaft; the rotary ring is characterized in that a disc body (15) is radially extended at the right part of the rotary ring, annular magnetic steel (16) and a stationary ring (17) are connected to the right side wall of a small cylinder (14) of the pump body in a sealing manner, the stationary ring is positioned in the inner circle of the magnetic steel, a gap is reserved between the magnetic steel (16) and the disc body (15), the right end face of the rotary ring is attached to the left end face of the magnetic steel and the stationary ring, a bearing chamber for installing a bearing (18) is arranged on the right side wall of the small cylinder (14), the right part of the pump shaft is supported by the bearing (18), and the right end of the pump shaft is connected with a motor main shaft.
2. The novel vortex pump according to claim 1, wherein the left end of the pump shaft is supported by a center (7), the center props against a center hole of the left end of the pump shaft, a cylinder (6) at the left part of the center is hermetically inserted into the pump cover, the left end face of the pump cover is connected with an internal thread cover (4), a screw (5) is screwed in the internal thread cover, and the screw props against the cylinder (6).
3. The novel vortex pump according to claim 1, wherein the magnetic steel (16) has a concave portion on its left end face, the annular surface of the concave portion on the side close to the center of the magnetic steel is an N pole, and the annular surface of the concave portion on the side close to the outer circle of the magnetic steel is an S pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223231286.3U CN219691764U (en) | 2022-12-04 | 2022-12-04 | Novel vortex pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223231286.3U CN219691764U (en) | 2022-12-04 | 2022-12-04 | Novel vortex pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691764U true CN219691764U (en) | 2023-09-15 |
Family
ID=87969729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223231286.3U Active CN219691764U (en) | 2022-12-04 | 2022-12-04 | Novel vortex pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691764U (en) |
-
2022
- 2022-12-04 CN CN202223231286.3U patent/CN219691764U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |