CN216085527U - Quick plug structure of submersible motor - Google Patents
Quick plug structure of submersible motor Download PDFInfo
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- CN216085527U CN216085527U CN202122883612.8U CN202122883612U CN216085527U CN 216085527 U CN216085527 U CN 216085527U CN 202122883612 U CN202122883612 U CN 202122883612U CN 216085527 U CN216085527 U CN 216085527U
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Abstract
The utility model belongs to the technical field of motors, and particularly relates to a quick plug structure of an oil-submersible motor, which comprises a motor head, a plug connector, a plug fixing frame and a motor lead, wherein the plug connector is provided with a first wiring end; one end of the motor lead is electrically connected with a wiring terminal of the motor, and the other end of the motor lead is provided with a second wiring terminal and extends to the inserting fixing frame along the inner cavity of the stator assembly; the first terminal and the second terminal respectively extend into the two ends of the through hole and are electrically connected in the through hole. Can be when equipment is in the pit in direct with the grafting mount of bayonet joint plug insertion motor, need not manual winding insulating tape, realize the high-speed joint, shorten to connect consuming time by a wide margin, reduce the fault risk that the motor wire hole exposes easily to lead to for a long time.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to a quick plug-in structure of an oil-submersible motor.
Background
At present, a common rodless oil extraction downhole device driving part is an oil-submersible motor, so that the motor and an oil-submersible cable need to be reliably connected when the device is installed and downhole, usually, a motor outgoing line is pulled out through a motor head wire outlet and is manually connected with a small oil-submersible flat cable plug one by one when a well head is downhole, and an insulating adhesive tape is manually wound.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a plug-in structure capable of quickly connecting a motor lead.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a quick grafting structure of latent oily motor includes:
a motor head;
the plug connector is provided with a first wiring end;
the motor head is embedded into the motor frame, the middle of the motor head is provided with a through hole, and two ends of the through hole point to the outside of the motor and the stator assembly respectively;
one end of the motor lead is electrically connected with a wiring terminal of the motor, and the other end of the motor lead is provided with a second wiring terminal and extends to the inserting and fixing frame along the inner cavity of the stator assembly;
the first terminal and the second terminal respectively extend into the through hole from two ends of the through hole and are electrically connected in the through hole.
Preferably, the lateral wall of motor head is equipped with the scarf, the scarf has at least to correspond the embedding face of stator assembly the embedding face is equipped with along the scarf direction extended wire hole is cut into for the grafting mount embedding.
Preferably, one end of the wire outlet hole corresponding to the plug connector is provided with a spigot corresponding to the plug connector, and the first terminal extends into the through hole and then is in butt joint with the plug connector.
Preferably, the spigot joint presses the spigot along the plugging direction to seal the inner cavity of the stator assembly.
Preferably, an O-shaped sealing ring corresponding to the end part of the plug head is arranged in the spigot, and the plug head is fixed on the embedding surface through a bolt and is screwed in along with the bolt to tightly press the O-shaped sealing ring.
Preferably, the embedding surface is perpendicular to the cutting direction of the oblique notch, the insertion fixing frame is a revolving body, at least one direction groove is formed in the outer peripheral surface of the insertion fixing frame, and a positioning convex strip corresponding to the direction groove is arranged on the inner wall of the wire outlet hole.
Preferably, the first terminal and the second terminal are both insertion pins, an insertion ring is arranged inside the through hole, the insertion ring is made of a conductive material, and the first terminal and the second terminal are respectively inserted at two ends of the insertion ring.
Preferably, at least one end of the plug ring corresponding to the first terminal is provided with a crown spring.
Preferably, the first terminal and the second terminal are three insertion pins, and the insertion fixing frame is correspondingly provided with three through holes.
A quick plug-in method of a submersible motor comprises the following steps:
step S1, in the manufacturing process of the submersible motor, the lead of the motor is electrically connected with the connecting terminal of the motor;
step S2, fixing the motor lead with the plug-in ring through the second terminal, and installing the fixed plug-in ring into the through hole of the plug-in fixing frame;
step S3, fixing the inserting fixing frame in the wire outlet hole, and limiting through the direction groove;
step S4, when the motor is installed in the well, the motor is erected on the well mouth and the motor head is exposed, the plug connector is inserted into the plug ring, and the first wiring end on the plug connector is electrically connected with the plug ring;
and step S5, screwing the bolt to enable the plug connector and the spigot to press the O-shaped sealing ring tightly, and sealing the inner cavity of the stator assembly.
Has the advantages that: can be when equipment is in the pit in direct with the grafting mount of bayonet joint plug insertion motor, need not manual winding insulating tape, realize the high-speed joint, shorten to connect consuming time by a wide margin, reduce the fault risk that the motor wire hole exposes easily to lead to for a long time.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. Wherein:
FIG. 1 is a schematic illustration of a plug-in structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the installation of the connector according to the embodiment of the present invention;
fig. 3 is an enlarged schematic view of a point a in fig. 1.
In the figure, 1, a motor head; 2. a plug-in connector; 3. a bolt; 4. an O-shaped sealing ring; 5. a bevel notch; 6. a stator assembly; 1.1, a motor lead; 1.2, a plug ring; 1.3, inserting a fixing frame; 1.4, a second terminal; 1.5, crown spring; 2.1, a first terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1-3, a quick plug structure of an oil-submersible motor comprises a motor head 1, a plug connector 2 and a plug fixing frame 1.3, wherein the plug connector 2 is provided with a first terminal, and one end of the plug connector 2, which is far away from the first terminal, is correspondingly connected to a power line; an inserting fixing frame 1.3 is embedded in the motor head 1, a through hole is formed in the middle of the inserting fixing frame 1.3, and two ends of the through hole point to the outside of the motor and the stator assembly 6 respectively; a wiring terminal is arranged in the stator assembly 6, one end of the motor lead 1.1 is electrically connected with the wiring terminal of the motor, and the other end of the motor lead is provided with a second wiring terminal and extends to the inserting fixing frame 1.3 along the inner cavity of the stator assembly 6; first wiring end and second wiring end stretch into from fenestrate both ends to electric connection in the perforation, thereby accomplish the wiring of diving oily motor, realize the high-speed joint, shorten motor lead wire 1.1's connection time by a wide margin, improved work efficiency.
In another alternative embodiment, the side wall of the motor head 1 is provided with an oblique notch 5, the oblique notch 5 is arranged at a position of the motor head 1 close to the stator assembly 6, the oblique notch 5 at least has an embedding surface corresponding to the stator assembly 6, and an outlet hole extending along the cutting direction of the oblique notch 5 is arranged at the embedding surface for embedding the plug-in fixing frame 1.3. One end of the wire outlet hole corresponding to the plug-in connector 2 is provided with a spigot corresponding to the plug-in connector, and the first wiring end extends into the through hole and then is in butt joint with the plug-in connector 2, so that stable connection is formed between the spigot and the end part of the plug-in connector 2, and the connection stability of the plug-in connector 2 is ensured. Wherein, the outer edge of the end part of the plug-in connector 2 is matched with the inner edge of the spigot, or the end part of the plug-in connector 2 is provided with a convex part corresponding to the inner edge of the spigot.
Specifically, at least two surfaces of the oblique notches are formed, one surface is an embedding surface, the other surface is an oblique notch, the oblique notch is obliquely cut in the axial direction of the motor head and is intersected with the embedding surface to form the oblique notch, the extending direction of the wire outlet hole is parallel to the extending direction of the oblique notch, the plug-in fixing frame is inserted into the wire outlet hole, and the through hole in the plug-in fixing frame is parallel to the axis of the plug-in fixing frame.
In order to ensure the sealing performance of the interior of the stator assembly 6 after the wiring is finished, the spigot is pressed along the plugging direction after the plugging of the plug-in connector 2 is finished, so that the spigot and the spigot form sealing, and the inner cavity of the stator assembly 6 is sealed. In the assembling process, the motor lead wire is located the inner chamber of stator assembly all the time, motor lead wire 1.1 need not to pass motor head 1 alright dock motor lead wire and connector 2 on motor head 1, has reduced the assembly degree of difficulty to changing traditional "public head" and "female head" butt joint form, accomplishing the butt joint on inserting the mount 1.3 certainly, having avoided motor lead wire 1.1 to draw forth and caused the problem such as the plug 2 grafting degree of difficulty that the second wiring end is difficult to fix and causes is great.
In the embodiment, an O-ring 4 corresponding to the end of the plug 2 is arranged in the spigot, and the plug 2 is fixed on the embedding surface by a bolt 3 and screwed with the bolt 3 to press the O-ring 4 tightly. Specifically, be equipped with the terrace of the just step to the embedding face on bayonet joint 2, be equipped with on the terrace of the step and cut into the screw that the direction is the same along scarf 5, screw in embedding face behind the bolt 3 passed the screw to this realization is fixed, through continuous precession bolt 3, makes bayonet joint 2 compress tightly to the tang, thereby realizes sealedly, realizes multi-angle through O shape sealing washer 4 and seals, has improved sealed effect.
In another optional embodiment, the insertion surface is perpendicular to the cutting direction of the oblique notch 5, the plug-in fixing frame 1.3 is a revolving body, at least one direction groove is formed in the outer peripheral surface of the revolving body, the direction groove extends along the axial direction of the revolving body, a positioning protruding strip corresponding to the direction groove is arranged on the inner wall of the wire outlet, the plug-in fixing frame 1.3 is limited by the positioning protruding strip and the direction groove, and the plug-in fixing frame 1.3 is prevented from rotating in the wire outlet.
Furthermore, the end of the plug-in mounting bracket 1.3 corresponding to the plug-in connector 2 is provided with a boss or flange part with an increased outer diameter, so as to be in stop fit with the spigot in the axial direction, thereby performing fixed sealing after the plug-in connector 2 is inserted.
Furthermore, a pillow block or a flange of the plug-in fixing frame 1.3 is arranged between the plug-in connector 2 and the spigot, or an annular groove corresponding to the outer edge of the wire outlet is arranged at the bottom of the spigot, so that the pillow block or the flange of the plug-in fixing frame 1.3 is connected, and the end surface of the plug-in fixing frame 1.3 and the bottom of the spigot are in the same plane. In some embodiments, the plug-in fixing frame 1.3 may be made of rubber, plastic or other insulating materials, and is in interference fit with the wire outlet hole.
In another optional embodiment, the first terminal 2.1 and the second terminal 1.4 are both plug pins, the plug ring 1.2 is disposed inside the through hole, the plug ring 1.2 is made of a conductive material, the first terminal 2.1 and the second terminal 1.4 are respectively plugged at two ends of the plug ring 1.2, and the length of the plug ring 1.2 is the same as that of the through hole and is slightly greater than the sum of the lengths of the corresponding plug pins of the first terminal 2.1 and the second terminal 1.4. The one end that plug ring 1.2 corresponds first wiring end 2.1 at least is equipped with crown spring 1.5, can improve first wiring end 2.1's the connection effect, guarantees current transmission's stability.
The connection of the plug-in ring 1.2 to the second terminal 1.4 can be clamped by soldering or pressure clamping, so that the connection stability of the two is ensured. Wherein, first wiring end 2.1 and second wiring end 1.4 are three, correspond on the grafting mount 1.3 and are equipped with three perforation, and three grafting needle corresponds the three-phase electricity input of power respectively.
The utility model also provides a quick plugging method of the submersible motor, which comprises the following steps:
step S1, in the manufacturing process of the submersible motor, the motor lead 1.1 is electrically connected with a motor wiring terminal and then led out;
step S2, mounting a crown spring 1.5 at one end of the plug-in ring 1.2 corresponding to the first terminal, fixing the other end of the motor lead 1.1 and the other end of the plug-in ring 1.2 through the second terminal, and mounting the fixed plug-in ring 1.2 into a through hole of the plug-in fixing frame 1.3;
step S3, fixing the inserting fixing frame 1.3 in the wire outlet hole, and limiting through the direction groove;
step S4, when the motor is installed in the well, the motor is erected on the well mouth and the motor head 1 is exposed, the plug connector 2 is inserted into the plug ring 1.2, and the first wiring terminal 2.1 on the plug connector 2 is electrically connected with the plug ring 1.2;
and step S5, screwing in the bolt 3 to enable the plug connector 2 and the spigot to tightly press the O-shaped sealing ring 4, and sealing the inner cavity of the stator assembly. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The above description is only exemplary of the utility model and should not be taken as limiting the utility model, as any modification, equivalent replacement, or improvement made within the spirit and principle of the utility model is intended to be covered by the appended claims.
Claims (9)
1. The utility model provides a quick grafting structure of latent oil motor which characterized in that includes:
a motor head;
the plug connector is provided with a first wiring end;
the motor head is embedded into the motor frame, the middle of the motor head is provided with a through hole, and two ends of the through hole point to the outside of the motor and the stator assembly respectively;
one end of the motor lead is electrically connected with a wiring terminal of the motor, and the other end of the motor lead is provided with a second wiring terminal and extends to the inserting and fixing frame along the inner cavity of the stator assembly;
the first terminal and the second terminal respectively extend into the through hole from two ends of the through hole and are electrically connected in the through hole.
2. The submersible motor quick-plugging structure as claimed in claim 1, wherein a chamfered notch is formed in a side wall of the motor head, the chamfered notch at least has an embedding surface corresponding to the stator assembly, and an outlet hole extending in a cutting direction of the chamfered notch is formed in the embedding surface to allow the plugging fixing frame to be plugged in.
3. The submersible motor quick plug structure as claimed in claim 2, wherein the end of the wire hole corresponding to the plug has a spigot corresponding to the plug, and the first terminal is butted with the plug after extending into the through hole.
4. The submersible motor quick-plugging structure according to claim 3, wherein the plug-in connector presses the spigot in the plugging direction to seal the inner cavity of the stator assembly.
5. The submersible motor quick plug structure according to claim 4, characterized in that an O-ring corresponding to the end of the plug is provided in the spigot, and the plug is fixed to the insertion surface by a bolt and screwed into the bolt to press the O-ring.
6. The submersible motor quick plug structure according to claim 2, wherein the insertion surface is perpendicular to the cutting direction of the oblique notch, the plug fixing frame is a rotary body, at least one direction groove is formed in the outer peripheral surface of the plug fixing frame, and a positioning protruding strip corresponding to the direction groove is formed in the inner wall of the outlet hole.
7. The submersible motor quick plug structure according to claim 1, wherein the first terminal and the second terminal are both plug pins, a plug ring is provided inside the through hole, the plug ring is made of a conductive material, and the first terminal and the second terminal are respectively plugged at both ends of the plug ring.
8. The submersible motor quick-plugging structure according to claim 7, wherein a crown spring is provided at least at one end of the plugging ring corresponding to the first terminal.
9. The submersible motor quick plug structure of claim 8, wherein the first terminal and the second terminal are three plug pins, and the plug mount is correspondingly provided with three through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122883612.8U CN216085527U (en) | 2021-11-23 | 2021-11-23 | Quick plug structure of submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122883612.8U CN216085527U (en) | 2021-11-23 | 2021-11-23 | Quick plug structure of submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216085527U true CN216085527U (en) | 2022-03-18 |
Family
ID=80662219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122883612.8U Active CN216085527U (en) | 2021-11-23 | 2021-11-23 | Quick plug structure of submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216085527U (en) |
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2021
- 2021-11-23 CN CN202122883612.8U patent/CN216085527U/en active Active
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