Insulation protection structure for motor

Abstract

The utility model discloses an insulation protection structure used for a motor. The insulation protection structure comprises an iron core, a copper coil and a lead wire side skeleton arranged at the end face positions of the iron core and the copper coil. A stator protection cover is arranged at the tail end of the lead side framework, a protection sleeve inner fastener is arranged on the inner side of the stator protection cover, buckling grooves are formed in the iron core and the copper coil, a lead-out wire notch is formed in the inner side face of the stator protection cover, and the insulation protection cover basically covers all the coils to improve the insulativity. Furthermore, fine particulate matters can be prevented from entering from the front surface and the side surface, a lead-out wire is naturally led out from a lead-out wire notch, a copper wire can be effectively prevented from being bent and damaged, and the development and application of the shield effectively improve the efficiency of the motor and prolong the service life of the motor; meanwhile, the influence on heat dissipation of the motor can be effectively reduced; the anti-loosening structure of the buckling point has a remarkable effect in a motor performance endurance test.

Description

Technical Field

[0001] The utility model belongs to the technical field related to insulation protection structures for motors, and in particular relates to an insulation protection structure for motors. Background Art

[0002] At present, the consumption of fossil energy such as oil and environmental pollution are becoming increasingly fierce. New energy is strongly supported by the country because of its environmental protection, energy saving and low pollution. The sales volume of new energy vehicles is growing day by day.

[0003] Electric scroll compressors are an important part of new energy vehicles. As the core component of the air conditioning system of new energy vehicles, electric compressors play an irreplaceable role. The performance, vibration and noise, reliability, sealing, and service life of electric compressors are all important factors affecting their operation.

[0004] Since the stator in the electric compressor is an important part of the motor, a protective cover should be added to the top of the stator to increase insulation and prevent fine particles from entering the stator and affecting the stator efficiency; lead wire outlet holes are added to the top protective shell, and the lead terminals are protected from corrosion by cooperating with the lead side skeleton binding groove and terminal cover, thereby avoiding stator burnout and other faults and extending the service life of the stator. Utility Model Content

[0005] The utility model aims to provide an insulation protection structure for a motor, so as to solve the problem in the above background technology that fine particles are easy to enter the top of the stator, thus affecting the efficiency of the stator.

[0006] To achieve the above object, the utility model provides the following technical solutions: an insulation protection structure for a motor, comprising an iron core and a copper coil and a lead-side skeleton arranged at the end surface of the iron core and the copper coil;

[0007] A stator protection cover is provided at the end position of the lead side frame, a protective cover inner fastener is provided at the inner side position of the stator protection cover, a buckling groove is provided on the iron core and the copper coil, and the stator protection cover is buckled and connected with the buckling grooves provided on the iron core and the copper coil through the protective cover inner fastener, and a lead wire notch is provided at the inner side position of the stator protection cover. The insulation protection basically covers all the coils to improve the insulation and prevent safety accidents. In addition, it can prevent the entry of fine particles from the front and side. The shield is not a fully enclosed structure to avoid excessive heating temperature inside the coil that affects the service life of the motor stator. The insulation protection product structure is a flying wire structure. The shield can effectively protect the copper wire at the lead side frame from being damaged, thereby effectively preventing the copper wire from being damaged. The lead wire notch leads out the wire naturally, which can effectively prevent the copper wire from bending and damaging the copper wire. The buckling design and the protective cover will not fall off after installation, thereby improving the service life of the stator.

[0008] Preferably, a reverse lead skeleton is provided at the other end of the copper coil, a buckling groove is provided on the reverse lead skeleton, and the reverse lead skeleton is buckled and connected to the copper coil via the buckling groove.

[0009] Preferably, a terminal sheath is provided at the outer side surface of the copper coil, and the terminal sheath is responsible for connecting with the terminal post.

[0010] Preferably, a rubber connecting ring is provided at the upper end of the terminal sleeve, and a circular hole protrudes above the rubber connecting ring so that the stator lead wire can be inserted into the inside thereof to cooperate with the terminal shell.

[0011] Preferably, a lifting threaded rod is provided near the middle position of the terminal sleeve, an extrusion telescopic body is provided at the bottom position of the lifting threaded rod, a connecting through pipe is provided at the bottom position of the extrusion telescopic body, and a built-in rubber airbag ring is connected to the end position of the connecting through pipe. The built-in rubber airbag ring is connected to the inner side surface position of the terminal sleeve and the rubber connecting ring near the end in an embedded manner, and the built-in rubber airbag ring can be expanded by rotating the lifting threaded rod to extrude the extrusion telescopic body.

[0012] Preferably, a connecting central rotating shaft body is provided at a position between the lifting threaded rod and the extruded telescopic body, and the lifting threaded rod and the extruded telescopic body are rotationally connected via the connecting central rotating shaft body.

[0013] Preferably, a toggle knob is provided at the upper side of the lifting threaded rod, and the toggle knob and the lifting threaded rod are an integrated structure.

[0014] Compared with the prior art, the utility model provides an insulation protection structure for a motor, which has the following beneficial effects:

[0015] In the insulation protection structure for the motor, a stator protection cover is provided at the end position of the lead side frame, a protective cover inner fastener is provided at the inner side position of the stator protection cover, a buckle groove is provided on the iron core and the copper coil, the stator protection cover is buckled and connected with the buckle groove provided on the iron core and the copper coil through the protective cover inner fastener, a lead wire notch is provided on the inner side position of the stator protection cover, the insulation protection basically covers all the coils to improve the insulation and prevent safety accidents, and can prevent the entry of fine particles from the front and side, the shield is not a fully enclosed structure, to avoid the internal heating of the coil Too high will affect the service life of the motor stator. The structure of the insulation protection product is a flying wire structure. The shield can effectively protect the copper wire at the lead side frame from damage, thereby effectively preventing the copper wire from being damaged. The lead-out wire notch leads out naturally, which can effectively prevent the copper wire from bending and damaging the copper wire. The buckle design and the protective cover will not fall off after installation to increase the service life of the stator. The development and application of this shield effectively increases the efficiency and service life of the motor; at the same time, it can effectively reduce the impact on motor heat dissipation; the anti-loosening structure of the buckle point is effective in the motor performance durability test.

[0016] In the insulation protection structure for the motor, a lifting threaded rod is arranged near the middle position of the terminal sleeve, an extrusion telescopic body is arranged at the bottom position of the lifting threaded rod, a connecting through pipe is arranged at the bottom position of the extrusion telescopic body, and a built-in rubber airbag ring is connected to the end position of the connecting through pipe. The built-in rubber airbag ring is connected to the inner side position of the terminal sleeve and the rubber connecting ring near the end in an embedded manner. The built-in rubber airbag ring can be expanded by rotating the lifting threaded rod to extrude the extrusion telescopic body. After the built-in rubber airbag ring is inflated, it can tightly contact the terminal in its terminal sleeve, thereby improving the tightness between it and the terminal, further avoiding the entry of external moisture, and thus effectively improving the safety of the terminal connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of the insulation protection structure for the motor.

[0018] Figure 2 The utility model is a schematic diagram of the stator protection cover structure of the insulation protection structure for the motor.

[0019] Figure 3 The utility model is a schematic diagram of the lead-side skeleton structure of the insulation protection structure for the motor.

[0020] Figure 4 The utility model is a schematic diagram of the iron core and copper coil structure of the insulation protection structure for the motor.

[0021] Figure 5The utility model is a schematic diagram of the reverse lead skeleton structure of the insulation protection structure for the motor.

[0022] Figure 6 The utility model is a schematic diagram of the terminal sheath structure of the insulation protection structure for motors.

[0023] Figure 7 The utility model is a schematic diagram of a partial cross-sectional structure of the terminal sheath of the insulation protection structure for a motor according to the present invention.

[0024] In the figure: 1. Terminal cover; 2. Reverse lead frame; 3. Iron core and copper coil; 4. Lead side frame; 5. Stator protection cover; 6. Rubber connecting ring; 7. Lead wire notch; 8. Fastener inside the protective cover; 9. Built-in rubber airbag ring; 10. Lifting threaded rod; 11. Toggle knob buckle; 12. Connect the central rotating shaft body; 13. Extrude the telescopic body; 14. Connect the through pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides Figure 1-7 As shown, an insulation protection structure for a motor includes an iron core and a copper coil 3 and a lead side skeleton 4 arranged at the end surface position of the iron core and the copper coil 3; a stator protection cover 5 is arranged at the end position of the lead side skeleton 4, and a protective cover inner fastener 8 is arranged at the inner side position of the stator protection cover 5. A buckling groove is arranged on the iron core and the copper coil 3, and the stator protection cover 5 is buckled and connected with the buckling groove arranged on the iron core and the copper coil 3 through the protective cover inner fastener 8. A lead wire notch 7 is arranged on the inner side surface of the stator protection cover 5. The insulation protection basically covers all the coils to improve the insulation and prevent safety accidents. In addition, it can prevent the entry of fine particles from the front and side. The shield is not a fully enclosed structure to prevent the internal heating temperature of the coil from being too high and affecting the service life of the motor stator. The insulation protection product structure is a flying wire structure. The shield can effectively protect the copper wire at the lead side frame from being damaged, thereby effectively preventing the copper wire from being damaged. The lead-out wire notch 7 allows the lead-out wire to be naturally led out, which can effectively prevent the copper wire from being bent and damaged. The buckle design and the protective cover will not fall off after installation to increase the service life of the stator. The development and application of this shield effectively increases the efficiency and service life of the motor; at the same time, it can effectively reduce the impact on the heat dissipation of the motor; the anti-loosening structure of the buckle point is effective in the motor performance durability test.

[0027] like Figure 2 As shown, a back lead skeleton 2 is provided at the other end of the copper coil 3, and a snap-on groove is provided on the back lead skeleton. The back lead skeleton 2 is snap-connected to the copper coil 3 through the snap-on groove. The back lead skeleton 2 and the copper coil 3 are connected by snap-on connection, which is simple, convenient and fast to operate, and can improve the installation efficiency to a certain extent.

[0028] like Figure 6 As shown, a terminal sheath 1 is provided at the outer side surface of the copper coil 3, and the terminal sheath 1 is responsible for connecting with the terminal post. A rubber connecting ring 6 is provided at the upper end of the terminal sheath 1. A round hole protrudes above the rubber connecting ring 6 so that the stator lead wire can be inserted into the inside to cooperate with the terminal shell. The terminal sheath 1 and the rubber connecting ring 6 mainly serve as a fixed component connected to the terminal post for external power introduction and internal power output, and to achieve a sealing effect to prevent liquid from entering the interior and causing unnecessary insulation damage.

[0029] like Figure 7 As shown, a lifting threaded rod 10 is provided near the middle position of the terminal sleeve 1, an extrusion telescopic body 13 is provided at the bottom position of the lifting threaded rod 10, a connecting tube 14 is provided at the bottom position of the extrusion telescopic body 13, and a built-in rubber airbag ring 9 is connected to the end position of the connecting tube 14. The built-in rubber airbag ring 9 is connected to the inner side position of the terminal sleeve 1 and the rubber connecting ring near the end in an embedded manner. The built-in rubber airbag ring 9 can be expanded by rotating the lifting threaded rod 10 to extrude the extrusion telescopic body 13. After the built-in rubber airbag ring 9 is inflated, it can tightly contact the terminal in its terminal sleeve 1, thereby improving its tightness with the terminal, further avoiding the entry of external moisture, and thus effectively improving the safety of the terminal connection.

[0030] like Figure 7 As shown, a connecting central rotating shaft body 12 is provided at the position between the lifting threaded rod 10 and the extruded telescopic body 13. The lifting threaded rod 10 and the extruded telescopic body 13 are rotatably connected via the connecting central rotating shaft body 12. The setting of the connecting central rotating shaft body 12 can enable the extruded telescopic body 13 to maintain straight up and down movement when the lifting threaded rod 10 rotates, thereby effectively preventing the torque force generated when the lifting threaded rod 10 rotates from damaging the extruded telescopic body 13 and affecting its service life.

[0031] like Figure 7 As shown, a toggle knob 11 is provided at the upper side of the lifting threaded rod 10. The toggle knob 11 and the lifting threaded rod 10 are an integrated structure. The setting of the toggle knob 11 can provide a gripping point, thereby facilitating the user to perform a rotation operation.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An insulation protection structure for a motor, comprising: An iron core and a copper coil (3), and a lead-side skeleton (4) arranged at the end surfaces of the iron core and the copper coil (3); Features: A stator protection cover (5) is provided at the end of the lead-side frame (4), a protective cover inner fastener (8) is provided at the inner side of the stator protection cover (5), a buckle groove is provided on the iron core and the copper coil (3), the stator protection cover (5) is buckled and connected with the buckle groove provided on the iron core and the copper coil (3) through the protective cover inner fastener (8), and a lead-out notch (7) is provided at the inner side of the stator protection cover (5), and the insulation protection basically covers all the coils to improve the insulation and prevent the occurrence of Safety accidents can also prevent the entry of fine particles from the front and sides. The shield is not a fully enclosed structure to prevent the internal heating temperature of the coil from being too high and affecting the service life of the motor stator. The insulation protection product structure is a flying wire structure. The shield can effectively protect the copper wire at the lead side frame from being damaged, thereby effectively preventing the copper wire from being damaged. The lead wire notch (7) allows the lead wire to be naturally led out, which can effectively prevent the copper wire from being bent and damaged. The buckle design and the protective cover will not fall off after installation, thereby increasing the service life of the stator.

2. The insulation protection structure for a motor according to claim 1, characterized in that: A reverse lead frame (2) is provided at the other end of the copper coil (3), a buckling groove is provided on the reverse lead frame, and the reverse lead frame (2) is buckled and connected to the copper coil (3) via the buckling groove.

3. The insulation protection structure for a motor according to claim 1, characterized in that: A terminal sheath (1) is provided at the outer side surface of the copper coil (3), and the terminal sheath (1) is responsible for connecting with the terminal post.

4. The insulation protection structure for a motor according to claim 3, characterized in that: A rubber connection ring (6) is provided at the upper end of the terminal sheath (1), and a circular hole protrudes above the rubber connection ring (6) so that the stator lead wire can be inserted into the rubber connection ring to cooperate with the terminal shell.

5. The insulation protection structure for a motor according to claim 4, characterized in that: A lifting threaded rod (10) is provided near the middle of the terminal sleeve (1), an extrusion telescopic body (13) is provided at the bottom of the lifting threaded rod (10), a connecting tube (14) is provided at the bottom of the extrusion telescopic body (13), a built-in rubber airbag ring (9) is connected to the end of the connecting tube (14), and the built-in rubber airbag ring (9) is connected to the inner side surface of the terminal sleeve (1) and the rubber connecting ring near the end in an embedded manner, and the built-in rubber airbag ring (9) can be expanded by rotating the lifting threaded rod (10) to extrude the extrusion telescopic body (13).

6. The insulation protection structure for a motor according to claim 5, characterized in that: A connecting central rotating shaft body (12) is provided at a position between the lifting threaded rod (10) and the extruded telescopic body (13), and the lifting threaded rod (10) and the extruded telescopic body (13) are rotatably connected via the connecting central rotating shaft body (12).

7. The insulation protection structure for a motor according to claim 6, characterized in that: A toggle knob (11) is provided on the upper side of the lifting threaded rod (10); the toggle knob (11) and the lifting threaded rod (10) are an integrated structure.

Images