CN215268022U - Three-phase asynchronous motor - Google Patents
Three-phase asynchronous motor Download PDFInfo
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- CN215268022U CN215268022U CN202120781945.7U CN202120781945U CN215268022U CN 215268022 U CN215268022 U CN 215268022U CN 202120781945 U CN202120781945 U CN 202120781945U CN 215268022 U CN215268022 U CN 215268022U
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- end cover
- positioning
- phase asynchronous
- thread
- shell
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Abstract
The utility model belongs to the technical field of the motor, concretely relates to three-phase asynchronous machine, which comprises a housin, end cover and base, the circumference position of end cover evenly is equipped with first connecting portion, the one end that the casing is close to the end cover is equipped with the second connecting portion that set up with first connecting portion one-to-one, when assembling, adopt setting element and first through-hole location fit to carry out prepositioning earlier, and simultaneously, cooperation location strip cartridge forms the secondary prepositioning in the constant head tank, adopt screw member and screw hole to carry out threaded connection, and then realize being connected of end cover and casing, can improve positioning accuracy on the one hand, improve the assembly quality, guarantee the subsequent life of motor, on the other hand has improved the stability of being connected of end cover and casing.
Description
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to three-phase asynchronous machine.
Background
The three-phase asynchronous motor mainly comprises a stator and a rotor, wherein the stator is a static part, the rotor is a rotating part, a certain gap is formed between the stator and the rotor, the stator consists of an iron core, a winding and a motor, the working principle is based on the interaction of a stator rotating magnetic field and rotor current, and the three-phase asynchronous motor has the advantages of simple structure, reliable operation, low price, strong overload capacity, convenience in use, installation and maintenance and the like, and is widely applied to various fields.
In the processing production process of motor, the cooperation precision is especially important, and in the cooperation process of motor casing and end cover, if the cooperation degree is poor, easily cause the motor to seal the effect not enough, influence the normal life of motor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three-phase asynchronous machine to solve the poor problem of assembly precision of current end cover and casing.
The utility model discloses a three-phase asynchronous machine adopts following technical scheme:
a three-phase asynchronous motor comprises a shell, an end cover and a base, wherein first connecting parts are uniformly arranged at the circumferential position of the end cover, second connecting parts which are in one-to-one correspondence with the first connecting parts are arranged at one end of the shell close to the end cover, positioning parts which overhang towards the direction of the end cover are arranged on the second connecting parts, first through holes for penetrating the positioning parts are arranged on the first connecting parts, a thread assembly is arranged between the shell and the end cover and comprises thread grooves arranged on the second connecting parts, second through holes which are arranged on the first connecting parts and communicated with the thread grooves, and thread parts which are penetrated on the second through holes and in thread fit with the thread holes, a sealing positioning strip which extends along the circumferential direction of the shell is arranged at one end of the shell close to the end cover, positioning grooves are arranged on the sealing positioning strip, and a matching positioning strip is arranged on the end cover, the mating locator bar has a raised strip cantilevered into the locator slot for forming a sealed locating fit.
Further, the positioning groove is of a flaring-shaped structure.
Furthermore, rubber pads for improving the sealing performance are arranged on the groove walls on the two sides of the positioning groove.
Furthermore, be equipped with the sand grip structure of overhanging towards the tank bottom department of constant head tank on the cooperation location strip, the extending direction of sand grip structure with the extending direction of cooperation location strip is the same, after cooperation location strip cartridge is in the constant head tank, the sand grip structure with the tank bottom laminating contact of constant head tank.
Further, the first connecting portion and the second connecting portion are 4 groups, and are evenly spaced and grouped at the periphery of the motor.
Furthermore, the positioning piece is a screw rod, and a fastening nut used for improving the connection stability is arranged on one side of the first connecting portion on the screw rod in a penetrating mode.
The utility model has the advantages that:
the utility model provides a three-phase asynchronous machine, which comprises a housin, end cover and base, the circumference position of end cover evenly is equipped with first connecting portion, the one end that the casing is close to the end cover is equipped with the second connecting portion that set up with first connecting portion one-to-one, when assembling, adopt setting element and first through-hole location fit to carry out the prepositioning earlier, and simultaneously, cooperation location strip cartridge forms secondary prepositioning in the constant head tank, adopt screw and screw hole to carry out threaded connection, and then realize being connected of end cover and casing, on the one hand, positioning accuracy can be improved, the assembly quality is improved, guarantee the subsequent life of motor, on the other hand has improved the stability of being connected of end cover and casing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a specific embodiment of a three-phase asynchronous motor according to the present invention;
fig. 2 is a schematic structural view of an embodiment of the end cap of the present invention;
fig. 3 is a schematic structural diagram of a specific embodiment of an assembly state of the positioning element and the first through hole of the present invention;
fig. 4 is a schematic structural view of an embodiment of an assembled state of the screw member and the thread groove according to the present invention;
fig. 5 is a schematic structural diagram of a seal positioning strip and a specific embodiment of the seal positioning strip according to the present invention;
fig. 6 is a schematic structural diagram of a specific embodiment of a partially enlarged schematic diagram at a in fig. 5 according to the present invention;
reference numerals:
1. the shell, 11, second connecting portion, 2, end cover, 21, first connecting portion, 3, base, 4, setting element, 41, lock nut, 5, screw, 6, sealed location strip, 61, rubber pad, 7, cooperation location strip, 71, protruding strip, 72, sand grip structure.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment of the three-phase asynchronous motor of the utility model is shown in fig. 1 to fig. 6, a three-phase asynchronous motor comprises a shell 1, an end cover 2 and a base 3, wherein the circumferential position of the end cover 2 is uniformly provided with a first connecting part 21, one end of the shell 1 close to the end cover 2 is provided with a second connecting part 11 which is arranged corresponding to the first connecting part 21 one by one, the second connecting part 11 is provided with a positioning part 4 which is overhung towards the end cover 2, the first connecting part 21 is provided with a first through hole for penetrating and installing the positioning part 4, a thread component is arranged between the shell 1 and the end cover 2, the thread component comprises a thread groove arranged on the second connecting part 11, a second through hole which is arranged on the first connecting part 21 and is communicated with the thread groove, and a thread component 5 which is arranged on the second through hole and is in thread fit with the thread hole, in the embodiment, the thread component 5 is a bolt, one end of the shell 1 close to the end cover 2 is provided with a sealing positioning strip 6 which extends along the circumferential direction of the shell 1, the sealing positioning strip 6 is provided with a positioning groove, the end cover 2 is provided with a matching positioning strip 7, and the matching positioning strip 7 is provided with a protruding strip 71 which overhangs into the positioning groove and is used for forming sealing positioning matching.
When assembling, adopt setting element 4 and first through-hole location fit to carry out the prepositioning earlier, simultaneously, 7 cartridges of cooperation location strip form the secondary prepositioning in the constant head tank, adopt screw member 5 and screw hole to carry out threaded connection, and then realize being connected of end cover 2 and casing 1, can improve positioning accuracy on the one hand, improve assembly quality, guarantee the subsequent life of motor, on the other hand has improved the stability of being connected of end cover 2 and casing 1.
In this embodiment, the positioning groove has a flaring structure.
In order to further improve the sealing performance, rubber pads 61 for improving the sealing performance are arranged on the groove walls on the two sides of the positioning groove.
Be equipped with the sand grip structure 72 towards the tank bottom department overhang of constant head tank on the cooperation location strip 7, the extending direction of sand grip structure 72 is the same with the extending direction of cooperation location strip 7, and after 7 cartridge in the constant head tank at cooperation location strip, sand grip structure 72 and the tank bottom laminating contact of constant head tank.
In order to improve the assembly accuracy, the first connection portions 21 and the second connection portions 11 are 4 groups and are evenly spaced and grouped at the outer circumference of the motor.
In this embodiment, the positioning member 4 is a screw, and a fastening nut 41 for improving connection stability is threaded on the screw at one side of the first connection portion 21.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. A three-phase asynchronous motor comprises a shell, an end cover and a base, and is characterized in that first connecting parts are uniformly arranged at the circumferential position of the end cover, second connecting parts which are arranged corresponding to the first connecting parts one by one are arranged at one end, close to the end cover, of the shell, a positioning part which stretches towards the direction of the end cover is arranged on the second connecting parts, a first through hole for penetrating the positioning part is arranged on the first connecting part, a thread assembly is arranged between the shell and the end cover, the thread assembly comprises a thread groove arranged on the second connecting part, a second through hole arranged on the first connecting part and communicated with the thread groove, and a thread part penetrating the second through hole and in thread fit with the thread groove, a sealing positioning strip which extends along the circumferential direction of the shell is arranged at one end, close to the end cover, of the shell, a positioning groove is arranged on the sealing positioning strip, and a matching positioning strip is arranged on the end cover, the mating locator bar has a raised strip cantilevered into the locator slot for forming a sealed locating fit.
2. A three-phase asynchronous machine according to claim 1, characterized in that said positioning slot is of flared configuration.
3. A three-phase asynchronous motor according to claim 2, characterized in that the two side walls of said positioning slot are provided with rubber pads for improving the sealing performance.
4. The asynchronous motor of claim 3, wherein said mating alignment bar has a rib structure protruding toward the bottom of the positioning groove, said rib structure extending in the same direction as said mating alignment bar, said rib structure contacting the bottom of the positioning groove after the mating alignment bar is inserted into the positioning groove.
5. A three-phase asynchronous machine according to claim 4, characterized in that said first and second connection portions are each 4 groups and are grouped at regular intervals on the periphery of the machine.
6. A three-phase asynchronous motor according to claim 5, characterized in that the positioning element is a threaded rod, and a fastening nut for improving the connection stability is threaded on the threaded rod on one side of the first connection part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120781945.7U CN215268022U (en) | 2021-04-16 | 2021-04-16 | Three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120781945.7U CN215268022U (en) | 2021-04-16 | 2021-04-16 | Three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215268022U true CN215268022U (en) | 2021-12-21 |
Family
ID=79509166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120781945.7U Active CN215268022U (en) | 2021-04-16 | 2021-04-16 | Three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215268022U (en) |
-
2021
- 2021-04-16 CN CN202120781945.7U patent/CN215268022U/en active Active
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