CN210404951U - Insulation protection device fixing assembly and motor with same - Google Patents
Insulation protection device fixing assembly and motor with same Download PDFInfo
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- CN210404951U CN210404951U CN201921503133.5U CN201921503133U CN210404951U CN 210404951 U CN210404951 U CN 210404951U CN 201921503133 U CN201921503133 U CN 201921503133U CN 210404951 U CN210404951 U CN 210404951U
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- motor
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- end cover
- mounting
- device body
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Abstract
The utility model provides a fixed subassembly of insulating protector and set up its motor relates to motor technical field, and it is firm to have solved the fixed not firm of insulating protector who exists among the prior art, causes the electric clearance of motor not up to standard easily, influences the technical problem of motor performance. The insulation protection device fixing component comprises an insulation protection device body and a wire outlet pipe; the wire outlet pipe is fixedly connected with the motor end cover, a first fixing structure is arranged on the insulating protection device body, a second fixing structure is arranged on the wire outlet pipe, and the first fixing structure is connected with the second fixing structure and at least can limit the insulating protection device body to move along the axial direction of the insulating protection device body and rotate around the axis of the insulating protection device body. This motor includes motor end cover, motor stator, rotor subassembly and the utility model provides an insulating protector fixed subassembly. The utility model is used for a can ensure that the electric clearance of motor meets the standard, guarantee fixed subassembly of insulating protector and motor of motor performance.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to a motor of fixed subassembly of insulating protector and setting up this insulating protector fixed subassembly is related to.
Background
In order to ensure that an electrical gap between a control panel of a motor and a motor end cover meets requirements in a direct current brushless motor, the distance between the control panel of the motor and the motor end cover is generally required to be ensured to be larger than a specified value, or an insulation protection device is arranged between the control panel of the motor and the motor end cover; at present, a commonly used insulation protection device is shown in fig. 1, at least three pins are arranged on the periphery of the insulation protection device, the pins are bent and then abutted against the inner wall surface of a motor end cover during assembly, and the pins are abutted against the elastic action of the inner wall surface of the motor end cover to limit the insulation protection device to move and rotate along the axial direction of the insulation protection device so as to ensure that the insulation protection device is matched with a control board of a motor for installation; or, can paste the double faced adhesive tape and fix it between end cover inner wall and pin for more firm to prevent that it from droing or shifting and lead to motor electric clearance not up to standard, influence the motor performance.
The applicant has found that the prior art has at least the following technical problems:
1. in the fixing mode of the insulation protection device in the prior art, the positioning is very unreliable only by the friction force generated by the elasticity of the pins abutting against the inner wall of the motor end cover, and the insulation protection device is easy to shift or fall off, so that the electrical clearance of the motor does not reach the standard and the performance of the motor is influenced;
2. the insulating protector fixed mode of prior art pastes the fixed mode of double faced adhesive tape between end cover inner wall and pin, has increased the assembly process, and production efficiency is lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixed subassembly of insulating protector and set up the motor of the fixed subassembly of this insulating protector to it is not firm that the insulating protector who exists among the solution prior art is fixed, takes place to shift easily or drop, and the electric clearance that causes the motor is not up to standard, influences the technical problem of motor performance. The following explains various technical effects that can be produced by the preferred technical scheme in the technical schemes of the utility model.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a fixing component of an insulation protection device, which comprises an insulation protection device body and a wire outlet pipe; wherein the content of the first and second substances,
go out spool and motor end cover fixed connection, be provided with first fixed knot on the insulating protector body and construct, be provided with second fixed knot on the play spool and construct, first fixed knot construct with second fixed knot constructs and is connected and can restrict at least insulating protector body is along its axial removal and around the rotation of its axis.
In a preferred or alternative embodiment, the first fixing structure and the second fixing structure are in snap connection.
In a preferred or alternative embodiment, the second fixing structure is a hook-shaped structure, and the first fixing structure is a fastening groove matched with the second fixing structure.
In a preferred or optional embodiment, the insulation protection device body is further provided with a limiting groove, and the limiting groove is located on the peripheral edge of the insulation protection device body.
In a preferred or alternative embodiment, the second fixing structure is a fixing boss, the first fixing structure is a fixing groove matched with the fixing boss, and the fixing boss can be inserted into the fixing groove.
In a preferred or alternative embodiment, the area around the fixing boss is further provided with a marking groove.
The motor provided by the embodiment of the utility model comprises a motor end cover, a motor stator, a rotor assembly and a fixing assembly of the insulation protection device provided by any technical scheme of the utility model; wherein the content of the first and second substances,
the motor stator with the insulating protector body all set up in the motor end cover, be provided with the mounting hole on the motor end cover, go out the spool with mounting hole fixed connection.
In a preferable or optional embodiment, a first clamping ring and a second clamping ring are arranged on the wire outlet pipe, the second fixing structure is arranged on the second clamping ring, a clamping groove is formed between the first clamping ring and the second clamping ring, and the first clamping ring can penetrate out of the motor end cover through the mounting hole and clamp the outer edge of the mounting hole in the clamping groove to fixedly connect the wire outlet pipe and the motor end cover.
In a preferred or alternative embodiment, at least the surface of the second snap ring contacting the outer edge of the mounting hole is a circular arc surface.
In a preferred or alternative embodiment, the outlet tube is made of soft rubber.
Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:
the utility model provides a fixed subassembly of insulating protector, including insulating protector body and play spool, play spool and motor end cover fixed connection have restricted the relative motion between play spool and the motor end cover first fixed knot on the insulating protector body with second fixed knot on the play spool is constructed and is connected the back, the play spool has restricted at least insulating protector body is along its axial removal and around the rotation of its axis, has prevented that the insulating protector body from taking place to shift or coming off, has guaranteed that the electric clearance of motor accords with standard and motor performance.
The utility model discloses in the preferred technical scheme among a great deal of technical scheme that provides can produce following technological effect at least:
1. the utility model discloses can prevent that insulating protector body from taking place to shift or drop, guarantee that insulating protector body and motor control panel mutually support the installation, make motor electrical clearance meet the standard, ensure the performance of motor.
2. The utility model discloses assembly operation is simple and convenient, has improved production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
FIG. 1 is a schematic view of a prior art insulation shield;
fig. 2 is a schematic view of a first embodiment of the outlet pipe provided by the present invention;
fig. 3 is a schematic view of a first embodiment of the insulation protection device body according to the present invention;
fig. 4 is a schematic view of a first connection mode between the outlet pipe and the insulation protection device body according to the present invention;
fig. 5 is a schematic view of a second embodiment of the outlet pipe provided by the present invention;
fig. 6 is a schematic view of a second embodiment of the insulation protection device body according to the present invention;
fig. 7 is an exploded schematic view of the motor provided by the present invention (the rotor assembly is omitted);
fig. 8 is a half sectional view of the connection mode of the fixing component of the insulation protection device and the motor end cover provided by the present invention;
fig. 9 is an enlarged view of the connection between the conduit and the body of the insulation guard shown in fig. 8.
In the figure, 1, an insulation protector body; 11. a first fixed structure; 12. a limiting groove; 13. the component avoids the port; 14. a bearing clearance hole; 2. a wire outlet pipe; 21. a second fixed structure; 22. marking a groove; 23. a first snap ring; 24. a second snap ring; 25. a card slot; 26. a support block; 3. a motor end cover; 31. an upper end cover; 32. a lower end cover; 33. mounting holes; 4. a motor stator; 5. a control panel; 51. a component; 6. and (7) a pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a can prevent that insulating protector body from taking place to shift or coming off, guarantee the fixed subassembly of insulating protector of the electric clearance and the performance of motor and set up the motor of the fixed subassembly of this insulating protector.
The technical solution provided by the present invention will be explained in more detail with reference to fig. 1 to 9.
As shown in fig. 1 to 9, the fixing assembly of the insulation protection device provided by the present invention comprises an insulation protection device body 1 and a wire outlet pipe 2; wherein the content of the first and second substances,
the wire outlet pipe 2 is fixedly connected with the motor end cover 3, a first fixing structure 11 is arranged on the insulating protection device body 1, a second fixing structure 21 is arranged on the wire outlet pipe 2, and the first fixing structure 11 is connected with the second fixing structure 21 and can at least limit the insulating protection device body 1 to move along the axial direction of the insulating protection device body and rotate around the axis of the insulating protection device body.
Specifically, outlet pipe 2 is used for drawing forth the electric wire in the motor end cover 3, the utility model provides an insulating protector fixed subassembly, including insulating protector body 1 and outlet pipe 2, outlet pipe 2 and motor end cover 3 fixed connection have restricted the relative motion between outlet pipe 2 and the motor end cover 3, after first fixed knot structure 11 on insulating protector body 1 is connected with second fixed knot structure 21 on outlet pipe 2, outlet pipe 2 restricts insulating protector body 1 at least along its axial removal and around the rotation of its axis, has prevented that insulating protector body 1 from taking place to shift or coming off, and insulating protector can be installed with control panel 5 cooperation when ensureing the final assembly.
In a preferred or alternative embodiment, the first fixing structure 11 and the second fixing structure 21 are in snap connection.
The clamping connection is simple in assembly operation compared with a fixing mode of pasting the double faced adhesive tape in the prior art, and the assembly operation efficiency is improved.
In a preferred or alternative embodiment, the second fastening structure 21 is a hook-shaped structure, and the first fastening structure 11 is a snap-fit groove matching with the second fastening structure 21.
Specifically, as shown in fig. 2 to 4, the hook-shaped structure of the second fixing structure 21 can pass through the fastening groove to fixedly connect the insulating protection device body 1 and the wire outlet tube 2, and the wire outlet tube 2 and the motor end cover 3 are fixedly connected, so that after the second fixing structure 21 is connected with the first fixing structure 11, the rotation of the insulating protection device body 1 around the axis thereof and the movement along the axis thereof are limited, and the electrical gap is ensured.
As a preferred or alternative embodiment, the insulation protection device body 1 is further provided with a limiting groove 12, and the limiting groove 12 is located on the peripheral edge of the insulation protection device body 1.
Specifically, the limiting groove 12 and the fastening groove are both arc structures, and the circular center axes of the limiting groove and the fastening groove are overlapped; the limiting groove 12 is located outside the buckling groove, and when the second fixing structure 21 is buckled into the buckling groove, the edge of the second fixing structure is clamped into the limiting groove 12, so that the rotation of the insulating protection device body 1 around the axis of the insulating protection device body is further limited. In addition, the bottom of the hook structure of the second fixing structure 21 is not limited to the inverted triangle structure shown in fig. 2, and may be an inverted trapezoid or a hemisphere.
In a preferred or alternative embodiment, the second fastening structure 21 is a fastening projection, and the first fastening structure 11 is a fastening groove that is adapted to the fastening projection, and into which the fastening projection can be inserted.
Specifically, as shown in fig. 5 to 6, the fixing boss and the fixing groove may be connected in a transition fit manner, a supporting block 26 is formed around the fixing boss, and the protruding direction of the fixing boss is far away from the motor stator, so that when the fixing boss is inserted into the fixing groove, the rotation of the insulation protection device body 1 around the axis thereof is limited, the supporting block 26 abuts against the insulation protection device body 1 so as to limit the movement of the insulation protection device body 1 along the axis thereof, the fixation of the insulation protection device body 1 is realized, the displacement or the loosening of the insulation protection device body 1 is prevented, and the insulation protection device body 1 can be installed in a matching manner with the control panel 5 during the final assembly.
In a preferred or alternative embodiment, the region around the fixing boss is also provided with a marking slot 22.
Specifically, the marking groove 22 is a through groove provided in the thickness direction of the second fixing structure 21, and the assembler can observe whether the fixing boss is completely inserted into the fixing groove through the gap of the marking groove 22.
The motor provided by the embodiment of the utility model comprises a motor end cover 3, a motor stator 4, a rotor assembly and a fixing assembly of the insulation protection device provided by any technical scheme of the utility model; wherein the content of the first and second substances,
Specifically, the motor end cover 3 includes an upper end cover 31 and a lower end cover 32, the upper end cover 31 is connected with the lower end cover 32 through bolts, a space for placing the motor stator 4, the rotor assembly and various components is formed in the motor end cover 3, and the motor end cover 3, the motor stator 4 and the rotor assembly are all the prior art in products and are not described herein again; the mounting hole 33 is arranged on the upper end cover 31, and the outlet pipe 2 is fixedly connected with the hole wall of the mounting hole 33, so that the fixed connection between the outlet pipe 2 and the motor end cover 3 is realized.
As a preferred or alternative embodiment, a first snap ring 23 and a second snap ring 24 are arranged on the outlet pipe 2, the second fixing structure 21 is arranged on the second snap ring 24, a clamping groove 25 is formed between the first snap ring 23 and the second snap ring 24, and the first snap ring 23 can penetrate out of the motor end cover 3 through the mounting hole 33 and clamp the outer edge of the mounting hole 33 in the clamping groove 25, so that the outlet pipe 2 is fixedly connected with the motor end cover 3.
Specifically, after the outlet pipe 2 and the motor end cover 3 are installed, the first clamping ring 23 is located outside the motor end cover 3 and abutted against the outer surface of the motor end cover 3, and the second clamping ring 24 is located inside the motor end cover 3 and abutted against the inner surface of the motor end cover 3, so that the outer edge of the mounting hole 33 is clamped in the clamping groove 25, the outlet pipe 2 and the motor end cover 3 are fixedly connected, and the structure is simple and convenient to assemble.
In a preferred or alternative embodiment, at least the surface of second snap ring 24 that contacts the outer edge of mounting hole 33 is a circular arc.
Specifically, the arc surface of the second snap ring 24 is matched with the radian of the inner surface of the motor end cover 3, so that the second snap ring 24 can be tightly attached to the motor end cover 3, and the fixation is firmer; in addition, the contact surface of the first snap ring 23 and the motor end cover can also be provided as an arc surface.
In a preferred or alternative embodiment, the outlet pipe 2 is made of soft rubber.
Specifically, the outlet pipe 2 is of an integrally formed structure, the outer diameter of the first clamping ring 23 is larger than the inner diameter of the mounting hole 33, and the outlet pipe 2 is made of soft rubber, so that deformation can be generated to penetrate through the mounting hole 33, and the outer edge of the mounting hole 33 can be clamped into the clamping groove 25.
In addition, the motor still includes control panel 5, and control panel 5 is located between motor stator 4 and the insulating protector body 1, is provided with components and parts 51 on the control panel 5, is provided with components and parts on the insulating protector body 1 and dodges mouth 13, and the size that components and parts dodged mouth 13 and components and parts 51's outline size phase-match can prevent that components and parts 51 from being sheltered from, guarantees components and parts 51's heat dissipation demand, prevents the emergence of burn-out phenomenon, can guarantee insulating protection demand again. The rotor assembly is provided with a rotor bearing, the insulating protection device body 1 is further provided with a bearing avoiding hole, and interference between the insulating protection device body 1 and the rotor bearing is avoided.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated. The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. An insulation protection device fixing assembly is characterized by comprising an insulation protection device body and a wire outlet pipe; wherein the content of the first and second substances,
go out spool and motor end cover fixed connection, be provided with first fixed knot on the insulating protector body and construct, be provided with second fixed knot on the play spool and construct, first fixed knot construct with second fixed knot constructs and is connected and can restrict at least insulating protector body is along its axial removal and around the rotation of its axis.
2. The insulation guard fixing assembly of claim 1 wherein the first and second fixing structures are snap-fit connected.
3. The insulation guard mounting assembly as defined in claim 2 wherein said second mounting structure is a hook-like structure and said first mounting structure is a snap-fit channel that mates with said second mounting structure.
4. The device of claim 3, wherein the device body further comprises a retaining groove, and the retaining groove is located at a peripheral edge of the device body.
5. The insulation protector mounting assembly as defined in claim 1, wherein said second mounting structure is a mounting boss, and said first mounting structure is a mounting slot that mates with said mounting boss, said mounting boss being insertable into said mounting slot.
6. The insulation shield fixing assembly as recited in claim 5, wherein the area around the fixing boss is further provided with a marking slot.
7. An electric machine comprising a machine end cap, a machine stator, a rotor assembly, and the insulation shield securement assembly of any of claims 1-6; wherein the content of the first and second substances,
the motor stator with the insulating protector body all set up in the motor end cover, be provided with the mounting hole on the motor end cover, go out the spool with mounting hole fixed connection.
8. The motor of claim 7, wherein a first snap ring and a second snap ring are arranged on the wire outlet pipe, the second fixing structure is arranged on the second snap ring, a clamping groove is formed between the first snap ring and the second snap ring, and the first snap ring can penetrate out of the motor end cover through the mounting hole and clamp the outer edge of the mounting hole in the clamping groove to fixedly connect the wire outlet pipe and the motor end cover.
9. The electric machine of claim 8, wherein at least a surface of the second snap ring contacting the outer edge of the mounting hole is a circular arc.
10. The electric machine of claim 7, wherein the outlet tube is of soft rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503133.5U CN210404951U (en) | 2019-09-09 | 2019-09-09 | Insulation protection device fixing assembly and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503133.5U CN210404951U (en) | 2019-09-09 | 2019-09-09 | Insulation protection device fixing assembly and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404951U true CN210404951U (en) | 2020-04-24 |
Family
ID=70340465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921503133.5U Active CN210404951U (en) | 2019-09-09 | 2019-09-09 | Insulation protection device fixing assembly and motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404951U (en) |
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2019
- 2019-09-09 CN CN201921503133.5U patent/CN210404951U/en active Active
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