CN219809166U - Inducer transmission device - Google Patents
Inducer transmission device Download PDFInfo
- Publication number
- CN219809166U CN219809166U CN202321230688.3U CN202321230688U CN219809166U CN 219809166 U CN219809166 U CN 219809166U CN 202321230688 U CN202321230688 U CN 202321230688U CN 219809166 U CN219809166 U CN 219809166U
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- CN
- China
- Prior art keywords
- inducer
- impeller
- hub
- shell
- transmission
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- 239000000411 inducer Substances 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of inducers, in particular to an inducer transmission device, which comprises the following technical scheme: the device comprises an impeller and an inducer hub, wherein blades are arranged on the periphery of the inducer hub, the impeller is rotationally connected in a shell, a driving shaft for driving the impeller to rotate is arranged on the shell, the inducer hub is arranged on the front side of the shell through a mounting mechanism, and a clamping mechanism is arranged at the middle position between one end of the inducer hub, which is positioned in the shell, and the front side of the impeller.
Description
Technical Field
The utility model relates to the technical field of inducers, in particular to an inducer transmission device.
Background
The inducer is arranged at the front end of the impeller and rotates synchronously with the impeller, so that the purpose of boosting the impeller can be achieved, but the inducer only needs a very low suction allowance, but the suction performance of the whole pump is improved, so that the inducer belongs to important auxiliary equipment in the impeller pump and mainly comprises a central induction hub and peripheral blades.
In the transmission process of the impeller and the inducer, the center position of the impeller and the inducer hub are mainly utilized to be fixed, so that the aim of synchronous rotation of the impeller and the inducer hub is fulfilled, the stability of the inducer and the impeller is particularly important, a common mode is that a long bolt passes through the center position of the inducer, then the long bolt is fixed in a thread groove preset in the center position of the impeller, and the fixed transmission of the long bolt and the inducer is finished.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a high-stability inducer transmission device.
The technical scheme of the utility model is as follows: the utility model provides an inducer transmission, includes impeller and inducer hub, inducer hub peripheral installs the blade, the impeller rotates to be connected in the shell, install the drive shaft that drives impeller pivoted on the shell, inducer hub passes through installation mechanism and installs in the shell front side, inducer hub is located the shell one end and is provided with joint mechanism with impeller front side intermediate position.
Preferably, the clamping mechanism comprises a positioning block and a transmission block, wherein the positioning block is fixedly connected to the center position of the front side of the impeller, the transmission block is fixedly connected to one end of the inducer hub, which is positioned in the shell, and the positioning block is clamped in the transmission block.
Preferably, the transmission block is provided with a positioning groove at a position corresponding to the positioning block, the inner side wall of the positioning groove is provided with a group of inserting grooves, the front side of the positioning block is fixedly connected with a group of inserting blocks, the positioning block stretches into the positioning groove, the inserting blocks are respectively inserted into the corresponding inserting grooves, the positioning block is inserted into the positioning groove, the inducer hub can be ensured to be installed at the center position of the impeller, and the eccentric situation of the transmission block and the positioning block is avoided.
Preferably, the positions of the inserting blocks are in one-to-one correspondence with the positions of the inserting grooves, the diameter of the front ends of the inserting blocks is smaller than that of the rear ends of the inserting blocks, the inserting blocks can be conveniently inserted into the inserting grooves, guiding effects can be achieved in the inserting process, and the inserting blocks are circumferentially distributed at the front ends of the positioning blocks.
Preferably, the mounting mechanism comprises a mounting plate and a threaded hole, the threaded hole is formed in the front end opening of the shell and is uniformly distributed, the mounting plate is mounted on the guiding hub and is provided with a bearing at the joint, a group of connecting rods are uniformly and fixedly connected to the periphery of the mounting plate, an outer ring plate is fixedly connected to the periphery of the connecting rods, through holes are formed in the positions, corresponding to the threaded hole, of the outer ring plate, the outer ring plate is fixed to the front end opening of the shell through bolts, the bolts penetrate through the through holes and are in threaded connection with the threaded hole, the required torque can be applied to the bolts by utilizing the characteristic that the shell cannot rotate, and the stability of bolt fixation is guaranteed.
Preferably, the distance between the mounting plate and the inducer hub at one end of the shell is the same as the distance between the impeller and the front end opening of the shell, so that the outer annular plate can be propped against the front end of the shell after the plug block is inserted into the plug groove.
Compared with the prior art, the utility model has the following beneficial technical effects: the bolts of the mounting mechanism penetrate through the through holes and are fixed in the threaded holes of the shell in a threaded manner, so that the inducer hub can be fixed in position, meanwhile, the transmission block at the end part of the inducer hub is matched with the positioning block on the impeller for transmission, the impeller can be rotated to drive the inducer hub to synchronously rotate, the whole transmission is realized, the bolts are not required to be coaxially fixed, and the condition that the bolts are loosened easily in the rotation process of the impeller is avoided.
Drawings
FIG. 1 is a schematic view of a side cut-away assembly structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the mounting plate and the outer ring plate according to the present utility model;
FIG. 3 is a schematic view of the appearance of the driving block according to the present utility model;
fig. 4 is a schematic view of the front end appearance structure of the impeller of the present utility model.
Reference numerals: 1. an impeller; 11. a housing; 12. a drive shaft; 13. a positioning block; 14. a plug block; 2. inducing the hub; 21. a transmission block; 22. a positioning groove; 23. a plug-in groove; 3. a mounting mechanism; 31. a mounting plate; 32. a connecting rod; 33. an outer ring plate; 34. perforating; 35. a bolt; 36. and (3) a threaded hole.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
As shown in fig. 1-4, the inducer transmission device provided by the utility model comprises an impeller 1 and an inducer hub 2, wherein blades are arranged on the periphery of the inducer hub 2, the impeller 1 is rotatably connected in a shell 11, a driving shaft 12 for driving the impeller 1 to rotate is arranged on the shell 11, the inducer hub 2 is arranged on the front side of the shell 11 through a mounting mechanism 3, and a clamping mechanism is arranged at the middle position between one end of the inducer hub 2 in the shell 11 and the front side of the impeller 1.
The clamping mechanism comprises a positioning block 13 and a transmission block 21, wherein the positioning block 13 is fixedly connected to the center position of the front side of the impeller 1, the transmission block 21 is fixedly connected to one end of the inducer hub 2, which is positioned in the shell 11, the positioning block 13 is clamped in the transmission block 21, a positioning groove 22 is formed in the position, corresponding to the positioning block 13, of the transmission block 21, a group of inserting grooves 23 are formed in the inner side wall of the positioning groove 22, a group of inserting blocks 14 are fixedly connected to the front side of the positioning block 13, the positioning block 13 stretches into the positioning groove 22, the inserting blocks 14 are respectively inserted into the corresponding inserting grooves 23, the positions of the inserting blocks 14 are in one-to-one correspondence with the positions of the inserting grooves 23, the diameters of the front ends of the inserting blocks 14 are smaller than the diameters of the rear ends, the inserting blocks 14 are circumferentially distributed at the front ends of the positioning block 13, the transmission block 21 stretches into the shell 11, the positioning block 13 enters into the positioning groove 22, then the position of the inducer hub 2 is adjusted, the inserting grooves 23 on the inner side wall of the positioning groove 22 are aligned with the inserting blocks 14, the inserting blocks 14 are inserted into the inserting grooves 23, and the rotation of the positioning block 13 is guaranteed, and the transmission block 21 can be driven to rotate synchronously.
The mounting mechanism 3 comprises a mounting plate 31 and threaded holes 36, the threaded holes 36 are formed in the front end opening of the shell 11 and are uniformly distributed, the mounting plate 31 is mounted on the induction hub 2, a bearing is arranged at the joint of the mounting plate 31, a group of connecting rods 32 are uniformly and fixedly connected to the periphery of the mounting plate 31, an outer ring plate 33 is fixedly connected to the periphery of the connecting rods 32, through holes 34 are formed in positions, corresponding to the threaded holes 36, of the outer ring plate 33, the outer ring plate 33 is fixed to the front end opening of the shell 11 through bolts 35, the bolts 35 penetrate through the through holes 34 and are in threaded connection with the threaded holes 36, the distance between the mounting plate 31 and the inducer hub 2, located at the inner end of the shell 11, is identical to the distance between the impeller 1 and the front end opening of the shell 11, and the outer ring plate 33 and the front end of the shell 11 are fixed through the bolts 35, and the position of the inducer hub 2 can be fixed.
In this embodiment, firstly, one end of the guiding hub 2 with the transmission block 21 is inserted into the housing 11, and the positioning block 13 is led into the positioning groove 22, then, the position of the guiding hub 2 is adjusted, so that the insertion groove 23 on the inner side wall of the positioning groove 22 is aligned with the insertion block 14, meanwhile, the insertion block 14 is inserted into the insertion groove 23, rotation of the positioning block 13 is ensured, and the transmission block 21 can be driven to synchronously rotate, at this time, because the distance between the mounting plate 31 and the inducer hub 2 at one end in the housing 11 is the same as the distance between the impeller 1 and the front end opening of the housing 11, the outer ring plate 33 is attached to the front end opening of the housing 11, after the position of the outer ring plate 33 is aligned with the screw hole 36 one by one, the outer ring plate 33 and the front end of the housing 11 are fixed by using the bolts 35, so that when the driving shaft 12 drives the impeller 1 to rotate, the guiding hub 2 is driven to synchronously rotate by using the transmission of the positioning block 13 and the transmission block 21, and the purpose of driving is realized, at this time, the bolts 35 used for fixing are not in the same line with the impeller 1, and the bolts 35 are not in the same line, and the position of the bolts 35 are better in the housing 11 is fixed, and the position is guaranteed, and the stability is better, and the stability is guaranteed.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (6)
1. The utility model provides an inducer transmission, includes impeller (1) and inducer hub (2), inducer hub (2) peripheral installs the blade, impeller (1) rotate and connect in shell (11), install on shell (11) and drive impeller (1) pivoted drive shaft (12), its characterized in that: the inducer hub (2) is arranged on the front side of the shell (11) through the mounting mechanism (3), and a clamping mechanism is arranged at the middle position between one end of the inducer hub (2) in the shell (11) and the front side of the impeller (1).
2. An inducer transmission according to claim 1, wherein the clamping mechanism comprises a positioning block (13) and a transmission block (21), the positioning block (13) is fixedly connected to the front center of the impeller (1), the transmission block (21) is fixedly connected to one end of the inducer hub (2) located in the casing (11), and the positioning block (13) is clamped in the transmission block (21).
3. An inducer transmission device according to claim 2, characterized in that the transmission block (21) is provided with a positioning groove (22) at a position corresponding to the positioning block (13), a group of inserting grooves (23) are provided on the inner side wall of the positioning groove (22), a group of inserting blocks (14) are fixedly connected to the front side of the positioning block (13), the positioning block (13) extends into the positioning groove (22), and the inserting blocks (14) are respectively inserted into the corresponding inserting grooves (23).
4. An inducer transmission according to claim 3, wherein the positions of the plug blocks (14) are in one-to-one correspondence with the positions of the plug grooves (23), the diameter of the front ends of the plug blocks (14) is smaller than that of the rear ends, and the plug blocks (14) are circumferentially distributed at the front ends of the positioning blocks (13).
5. An inducer transmission device according to claim 1, characterized in that the mounting mechanism (3) comprises a mounting plate (31) and threaded holes (36), the threaded holes (36) are formed in the front opening of the housing (11) and are uniformly distributed, the mounting plate (31) is mounted on the guiding hub (2) and is provided with bearings at the joints, a group of connecting rods (32) are uniformly and fixedly connected to the periphery of the mounting plate (31), an outer ring plate (33) is fixedly connected to the periphery of the connecting rods (32), through holes (34) are formed in the outer ring plate (33) and correspond to the threaded holes (36), the outer ring plate (33) is fixed in the front opening of the housing (11) through bolts (35), and the bolts (35) penetrate through the through holes (34) and are in threaded connection with the threaded holes (36).
6. An inducer transmission according to claim 5, wherein the mounting plate (31) is located at the same distance from the end of the inducer hub (2) within the housing (11) as the impeller (1) is located at the front opening of the housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230688.3U CN219809166U (en) | 2023-05-22 | 2023-05-22 | Inducer transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230688.3U CN219809166U (en) | 2023-05-22 | 2023-05-22 | Inducer transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809166U true CN219809166U (en) | 2023-10-10 |
Family
ID=88211743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321230688.3U Active CN219809166U (en) | 2023-05-22 | 2023-05-22 | Inducer transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809166U (en) |
-
2023
- 2023-05-22 CN CN202321230688.3U patent/CN219809166U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |