CN209767325U - High-temperature-resistant motor - Google Patents
High-temperature-resistant motor Download PDFInfo
- Publication number
- CN209767325U CN209767325U CN201920654478.4U CN201920654478U CN209767325U CN 209767325 U CN209767325 U CN 209767325U CN 201920654478 U CN201920654478 U CN 201920654478U CN 209767325 U CN209767325 U CN 209767325U
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- CN
- China
- Prior art keywords
- barrel
- outer barrel
- inner barrel
- bearing
- rotating 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.)
- Expired - Fee Related
Links
- 238000004321 preservation Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 101150114468 TUB1 gene Proteins 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a high temperature resistant motor belongs to motor technical field. The high-temperature-resistant motor comprises an outer barrel and an inner barrel which is arranged in the outer barrel and has a heat preservation effect, a motor body is fixedly arranged in the inner barrel, the motor body comprises a rotating shaft, through holes which are opposite to the rotating shaft are formed in the front ends of the inner barrel and the outer barrel, the front end of the rotating shaft penetrates through the two through holes and is positioned outside the outer barrel, fan blades are fixed at the rear end of the rotating shaft, the rear end of the inner barrel extends out of the outer barrel, a baffle ring is integrally formed on the outer wall of the rear end of the inner barrel, the outer diameter of the baffle ring is larger than that of the outer barrel, a gas exhaust channel is formed between the front end face of the baffle ring and the rear end face of the outer barrel; a bearing is arranged between the inner barrel and the outer barrel, two ends of the bearing are respectively positioned in the two through holes, the inner ring of the bearing is fixedly connected with the rotating shaft, and the inner barrel and the outer barrel are fixedly connected with the outer ring of the bearing. This high temperature resistant motor work is comparatively stable.
Description
Technical Field
The utility model belongs to the motor field relates to a motor, especially a high temperature resistant motor.
Background
The high-temperature smoke exhaust fan is a fan for exhausting high-temperature smoke, and a motor matched with the high-temperature smoke exhaust fan needs to adopt a motor with high-temperature resistance.
The existing high temperature resistant motor is as a motor disclosed in chinese patent library [ application number: 201821293511.7 the motor body and the heat dissipation fan blade in protecting the bucket and all locating and protecting the bucket, motor body include the pivot, the front end of pivot stretches out and protects the bucket, and the rear end and the heat dissipation fan blade of pivot link firmly, protect the bucket in still be equipped with the thermal-insulated bucket of making by insulation material, thermal-insulated bucket all is the cask form with protecting the bucket, and thermal-insulated bucket and protect the central axis collineation between them, motor body fix in thermal-insulated bucket, the bung hole of thermal-insulated bucket set up towards the back, and the front end of thermal-insulated bucket has the connecting hole that supplies the pivot to pass, the external diameter of thermal-insulated bucket be less than the internal diameter of protecting the bucket, the pivot overcoat has the go-between, and the go-between ring passes through bearing and the pivot is rotatable continuous, the go-between ring is located and protects the bucket and thermal-insulated bucket, and both ends link firmly with protecting bucket and thermal-insulated.
The above-described motor has a problem: the gap between the protective barrel and the heat insulation barrel is outwards radiated along the axial direction of the protective barrel, so that part of hot air can flow back to the inner barrel under the attraction of the heat radiation fan blades, the heat radiation of the motor is influenced, and the service life and the working stability of the motor are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a high temperature resistant motor, the technical problem of solution is how to improve job stabilization nature.
The purpose of the utility model can be realized by the following technical proposal: a high temperature resistant motor comprises an outer barrel and an inner barrel which is arranged in the outer barrel and has heat preservation effect, the inner barrel and the outer barrel are coaxially arranged, the outer diameter of the inner barrel is smaller than the inner diameter of the outer barrel, a motor body is fixedly arranged in the inner barrel and comprises a rotating shaft, through holes which are opposite to the rotating shaft are arranged at the front ends of the inner barrel and the outer barrel, the front end of the rotating shaft penetrates through the two through holes and is positioned outside the outer barrel, fan blades are fixed at the rear end of the rotating shaft, it is characterized in that the rear end of the inner barrel extends out of the outer barrel, a baffle ring is integrally formed on the outer wall of the rear end of the inner barrel, the baffle ring and the inner barrel are coaxially arranged, the outer diameter of the baffle ring is larger than that of the outer barrel, an exhaust channel is formed between the front end surface of the baffle ring and the rear end surface of the outer barrel, a connecting rod is arranged in the exhaust channel, the length of the connecting rod extends along the axial direction of the inner barrel, two ends of the connecting rod are fixedly connected with the outer barrel and the baffle ring respectively, and at least two connecting rods are uniformly distributed at intervals along the circumferential direction of the outer barrel; a bearing is arranged between the inner barrel and the outer barrel, two ends of the bearing are respectively positioned in the two through holes, an inner ring of the bearing is fixedly connected with the rotating shaft, and the inner barrel and the outer barrel are fixedly connected with an outer ring of the bearing.
Under the guide of the exhaust channel, the heat in the gap formed between the outer barrel and the inner barrel is radiated outwards along the radial direction of the outer barrel so as to separate the air inlet of the fan blades from the heat exhaust, so that the motor body obtains better air blowing and cooling, and the working stability of the motor is improved.
In the high-temperature-resistant motor, the rear end of the connecting rod is fixedly connected with the baffle ring in a welding mode, the rear end face of the outer barrel is provided with jacks of which the shapes and the sizes are matched with the connecting rod, the jacks and the connecting rod are identical in number and are in one-to-one correspondence in position, and the front end of the connecting rod is inserted and embedded in the corresponding jacks. By adopting the design, the device has the advantages of simple structure and convenience in installation.
In the high-temperature-resistant motor, the outer wall of the outer ring of the bearing is integrally formed with an annular connecting seat, the connecting seat is positioned between the inner barrel and the outer barrel, and two end faces of the connecting seat respectively abut against the inner barrel and the outer barrel.
In the high-temperature-resistant motor, the inner barrel and the outer barrel are fixedly connected with the outer ring of the bearing through interference fit.
Through setting up the connecting seat for the mounted position of restriction interior bucket and outer bucket makes interior bucket and outer bucket once only install in place, makes things convenient for the equipment.
In the high-temperature resistant motor, the connecting rod is made of heat conducting materials.
In the high-temperature resistant motor, the heat conducting material is an aluminum alloy material or a brass material.
In the high-temperature resistant motor, the inner barrel is of a sandwich structure consisting of an inner iron sheet, a middle heat-preservation rock wool and an outer iron sheet.
Compared with the prior art, the high-temperature-resistant motor leads the heat in the gap formed between the outer barrel and the inner barrel to be radiated outwards along the radial direction of the outer barrel under the guide of the exhaust channel so as to separate the air intake of the fan blades from the heat exhaust, and the motor body obtains better air blowing and cooling to improve the working stability of the motor.
Drawings
Fig. 1 is a schematic structural diagram of the high-temperature-resistant motor.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
Fig. 3 is a schematic sectional view of the inner barrel.
In the figure, 1, an outer barrel; 2. an inner barrel; 2a, iron sheet; 2b, heat preservation rock wool; 2c, a baffle ring; 3. a motor body; 3a, a rotating shaft; 4. a machine base; 5. a fan blade; 6. an exhaust passage; 7. a connecting rod; 8. a bearing; 8a and a connecting seat.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 3, the high temperature resistant motor includes an outer tub 1 and an inner tub 2 disposed in the outer tub 1 and having a heat insulation effect, the inner tub 2 and the outer tub 1 are coaxially disposed, and an outer diameter of the inner tub 2 is smaller than an inner diameter of the outer tub 1. In this embodiment, interior bucket 2 is the sandwich structure that inside iron sheet 2a, middle part heat preservation rock wool 2b and outside iron sheet 2a are constituteed, makes interior bucket 2 possess better intensity and heat preservation effect simultaneously.
Specifically, as shown in fig. 1 and 2, a motor body 3 is disposed in the inner tub 2, and the motor body 3 is fixedly connected to the inner tub 2 through a base 4. The motor body 3 comprises a rotating shaft 3a, through holes which are opposite to the rotating shaft 3a are arranged at the front ends of the inner barrel 2 and the outer barrel 1, and the front end of the rotating shaft 3a penetrates through the two through holes and is positioned outside the outer barrel 1. The rear end of the rotating shaft 3a is fixed with a fan blade 5 for heat dissipation of the motor body 3. As shown in fig. 1, the rear end of the inner barrel 2 extends out of the outer barrel 1, a baffle ring 2c is integrally formed on the outer wall of the rear end of the inner barrel 2, and the baffle ring 2c and the inner barrel 2 are coaxially arranged. The outer diameter of the baffle ring 2c is larger than that of the outer barrel 1, and an exhaust channel 6 is formed between the front end surface of the baffle ring 2c and the rear end surface of the outer barrel 1. A connecting rod 7 is arranged in the exhaust passage 6, the length of the connecting rod 7 extends along the axial direction of the inner barrel 2, and two ends of the connecting rod 7 are fixedly connected with the outer barrel 1 and the baffle ring 2c respectively. At least two connecting rods 7 are uniformly distributed along the circumferential direction of the outer barrel 1 at intervals.
In the present embodiment, as shown in fig. 2, the number of the tie rods 7 is 2, the tie rods 7 are made of a heat conductive material, and the heat conductive material is an aluminum alloy material or a brass material. The connecting rod 7 is specifically mounted as follows: the rear end of the connecting rod 7 is fixedly connected with the baffle ring 2c in a welding mode; the rear end face of the outer barrel 1 is provided with jacks with shapes and sizes matched with the connecting rods 7, the jacks and the connecting rods 7 are identical in number and are in one-to-one correspondence in position, and the front ends of the connecting rods 7 are inserted and embedded in the corresponding jacks. By adopting the design, the device has the advantages of simple structure and convenience in installation.
As shown in fig. 1, a bearing 8 is disposed between the inner barrel 2 and the outer barrel 1, two ends of the bearing 8 are respectively disposed in the two through holes, an inner ring of the bearing 8 is fixedly connected with the rotating shaft 3a, and both the inner barrel 2 and the outer barrel 1 are fixedly connected with an outer ring of the bearing 8. Further, an annular connecting seat 8a is integrally formed on an outer wall of an outer ring of the bearing 8, the connecting seat 8a is located between the inner barrel 2 and the outer barrel 1, and two end faces of the connecting seat 8a respectively abut against the inner barrel 2 and the outer barrel 1. The connecting seat 8a is arranged for limiting the installation positions of the inner barrel 2 and the outer barrel 1, so that the inner barrel 2 and the outer barrel 1 are installed in place at one time, and the assembly is convenient. In the embodiment, the inner barrel 2 and the outer barrel 1 are fixedly connected with the outer ring of the bearing 8 through interference fit; the rotating shaft 3a is fixedly connected with the inner ring of the bearing 8 through interference fit.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. A high-temperature resistant motor comprises an outer barrel (1) and an inner barrel (2) which is arranged in the outer barrel (1) and has a heat preservation effect, the inner barrel (2) and the outer barrel (1) are coaxially arranged, the outer diameter of the inner barrel (2) is smaller than the inner diameter of the outer barrel (1), a motor body (3) is fixedly arranged in the inner barrel (2), the motor body (3) comprises a rotating shaft (3a), through holes which are right opposite to the rotating shaft (3a) are formed in the front ends of the inner barrel (2) and the outer barrel (1), the front end of the rotating shaft (3a) penetrates through the two through holes and is positioned outside the outer barrel (1), fan blades (5) are fixed at the rear end of the rotating shaft (3a), the high-temperature resistant motor is characterized in that the rear end of the inner barrel (2) extends out of the outer barrel (1), a baffle ring (2c) is integrally formed on the outer wall of the rear end of the inner barrel (2), the baffle ring (2c) and is coaxially, an exhaust channel (6) is formed between the front end face of the baffle ring (2c) and the rear end face of the inner barrel (2), a connecting rod (7) is arranged in the exhaust channel (6), the length of the connecting rod (7) extends along the axial direction of the inner barrel (2), two ends of the connecting rod (7) are fixedly connected with the outer barrel (1) and the baffle ring (2c) respectively, and at least two connecting rods (7) are uniformly distributed at intervals along the circumferential direction of the outer barrel (1); a bearing (8) is arranged between the inner barrel (2) and the outer barrel (1), two ends of the bearing (8) are respectively positioned in the two through holes, the inner ring of the bearing (8) is fixedly connected with the rotating shaft (3a), and the inner barrel (2) and the outer barrel (1) are fixedly connected with the outer ring of the bearing (8).
2. The high-temperature-resistant motor according to claim 1, wherein the rear end of the connecting rod (7) is fixedly connected with the baffle ring (2c) by welding, the rear end surface of the outer tub (1) is provided with jacks matched with the connecting rod (7) in shape and size, the jacks and the connecting rod (7) are identical in number and correspond to each other in position, and the front end of the connecting rod (7) is inserted into the corresponding jacks.
3. The high-temperature-resistant motor according to claim 1 or 2, wherein the outer wall of the outer ring of the bearing (8) is integrally formed with a ring-shaped connecting seat (8a), the connecting seat (8a) is located between the inner barrel (2) and the outer barrel (1), and two end faces of the connecting seat (8a) are respectively abutted against the inner barrel (2) and the outer barrel (1).
4. The high-temperature-resistant motor according to claim 3, wherein the inner barrel (2) and the outer barrel (1) are fixedly connected with the outer ring of the bearing (8) through interference fit.
5. A high-temperature resistant electric machine according to claim 1, characterized in that the connecting rod (7) is made of a heat conducting material.
6. The high-temperature-resistant motor according to claim 5, wherein the heat-conductive material is an aluminum alloy material or a brass material.
7. The high temperature resistant motor according to claim 1, wherein the inner tub (2) is a sandwich structure consisting of an inner iron sheet (2a), a middle heat-insulating rock wool (2b) and an outer iron sheet (2 a).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920654478.4U CN209767325U (en) | 2019-05-08 | 2019-05-08 | High-temperature-resistant motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920654478.4U CN209767325U (en) | 2019-05-08 | 2019-05-08 | High-temperature-resistant motor |
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Publication Number | Publication Date |
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CN209767325U true CN209767325U (en) | 2019-12-10 |
Family
ID=68761127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920654478.4U Expired - Fee Related CN209767325U (en) | 2019-05-08 | 2019-05-08 | High-temperature-resistant motor |
Country Status (1)
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CN (1) | CN209767325U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115463722A (en) * | 2022-09-05 | 2022-12-13 | 威海海马环能地毯有限公司 | Polyolefin low-temperature granulation heat preservation device |
-
2019
- 2019-05-08 CN CN201920654478.4U patent/CN209767325U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115463722A (en) * | 2022-09-05 | 2022-12-13 | 威海海马环能地毯有限公司 | Polyolefin low-temperature granulation heat preservation device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high temperature resistant motor Effective date of registration: 20211129 Granted publication date: 20191210 Pledgee: Zhejiang Mintai Commercial Bank Co.,Ltd. Wenling Hengfeng sub branch Pledgor: Alda Electric Co.,Ltd. Registration number: Y2021330002219 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
|
CF01 | Termination of patent right due to non-payment of annual fee |