CN212304989U

CN212304989U - Wiring structure of motor

Info

Publication number: CN212304989U
Application number: CN202021203898.XU
Authority: CN
Inventors: 陈刚军
Original assignee: Zhejiang Taizhou Julong Technology Co ltd
Current assignee: Zhejiang Taizhou Julong Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-05
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a wiring structure of motor belongs to motor wiring system technical field. The motor wiring structure solves the problems that the existing wiring structure of the motor is not provided with a shielding structure capable of shielding electromagnetic interference generated by the motor, the electromagnetic interference of the motor to the outside is large, and the assembly and the use are inconvenient. The wiring structure of the motor comprises a motor shell, wherein a rectangular groove is formed in an axially outer boss, a wiring cover in sealing fit with the rectangular groove can be detachably and fixedly connected to the notch of the rectangular groove, a plurality of first wiring terminals are arranged in the rectangular groove, a connection power line can be detachably connected to each first wiring terminal in the rectangular groove, and a sealing connection structure is arranged between the axially outer protruding groove wall of the rectangular groove and each power line. The utility model discloses have the produced electromagnetic interference of sealed canned motor, structural design is reasonable, simple, assembly convenient to use, and manufacturing cost is lower.

Description

Wiring structure of motor

Technical Field

The utility model belongs to the technical field of the motor wiring system, a wiring structure of motor is related to.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, and mainly has the function of generating driving torque as a power source of electric appliances or various machines. The motor may be classified into a direct current motor and an alternating current motor according to the kind of the operating power source. Motors have found widespread use in various areas of life.

Because the operation of the motor is realized by means of mutual conversion and interaction between electromagnetism, electromagnetic interference can be inevitably generated on peripheral electromagnetic components during the operation of the motor. When the intensity of electromagnetic interference generated by the work of the motor is large, the work of peripheral electromagnetic components and equipment is seriously influenced, the operation of the peripheral electromagnetic components is influenced, and the peripheral electromagnetic components are damaged even more.

On the other hand, the same work of peripheral electromagnetic components in the environment that the motor used also can produce electromagnetic interference to the motor, when the electromagnetic interference that the electromagnetic components in the external environment that the motor is located produced reaches certain degree, can produce huge influence to the motor, probably cause the damage of motor even.

The wiring structure in the junction box of the existing motor is not provided with a shielding structure which can shield the electromagnetic interference generated by the motor, the electromagnetic interference of the motor to the outside is large, and the assembly and the use are inconvenient.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, can seal the produced electromagnetic interference of shielded motor, assemble convenient to use's wiring structure of motor.

The purpose of the utility model can be realized by the following technical proposal: a wiring structure of a motor comprises a motor shell and is characterized in that an axial outer boss is arranged on the outer end face of one end of the motor shell, a rectangular groove is arranged on the axial outer boss, the right groove wall of the rectangular groove is an axial convex groove wall, a connecting cover which is in sealing fit with the rectangular groove is detachably and fixedly connected at the notch of the rectangular groove, a bar-shaped hole communicated with the interior of the motor shell is arranged at the bottom of the rectangular groove, a plurality of binding posts I which penetrate through the bar-shaped hole and are electrically connected with the motor coil are arranged in the rectangular groove, each binding post I in the rectangular groove is detachably connected with a power line, each power line passes through the axial outer convex groove wall of the rectangular groove and extends to the outside of the motor shell for electrical connection, and a sealing connection structure which enables each power line to be in sealing fit with the axial outer convex groove wall of the rectangular groove is arranged between the axial outer convex groove wall of the rectangular groove and each power line.

The wiring structure of the motor mainly directly forms the rectangular groove on the outer end face of one end of the motor shell, the rectangular groove is used for wiring inside and outside the motor, the sealing connection structure is arranged between the rectangular groove and each power line, the rectangular groove forms a completely closed space through the sealing connection structure, electromagnetic interference generated by a shielding motor is achieved, the structure is reasonable and simple, and the assembly and the use are convenient.

In the wiring structure of foretell motor, sealing connection structure include that the bar silica gel pad body, the bar silica gel pad body on the length direction interval distribution that the line shape silica gel pad body has a plurality of to lead to the line hole, the axial evagination cell wall of rectangular channel on have a bar opening, the size, the shape of this bar silica gel pad body with bar opening adaptation, this bar silica gel pad body can dismantle set firmly in the bar opening in, outside every power cord worn out the line hole that extends to the motor casing from the bar silica gel pad body, every power cord passed through the axial evagination cell wall seal cooperation of bar silica gel pad body and rectangular channel. The rectangular groove can form a sealed space by arranging the strip-shaped silica gel pad body, electromagnetic interference generated by a motor in the rectangular groove can be shielded, and the structure is stable.

In the wiring structure of foretell motor, the diameter that leads to the line hole of the bar silica gel pad body be less than the diameter of power cord, when every power cord worn out from the line hole that leads to in the bar silica gel pad body, the pore wall that leads to the line hole of the bar silica gel pad body and the radial elasticity of the power cord that corresponds support and lean on sealed cooperation. The power line vertically penetrates out of the through line hole of the strip-shaped silica gel pad body, and the sealing effectiveness of the power line and the strip-shaped silica gel pad body can be ensured.

In the wiring structure of foretell motor, the long border of two long limits of the bar silica gel pad body have a bar joint groove respectively, the axial evagination cell wall of rectangular channel on the open wall of bar open-ended opening on have a bar joint arris respectively, the bar silica gel pad body can dismantle through bar joint groove and link firmly on the bar open-ended bar joint arris on the axial evagination cell wall of rectangular channel. The purpose that sets up like this makes things convenient for bar silica gel pad body can dismantle the connection in the bar opening on the axial evagination cell wall of rectangular channel, and when bar joint groove can be dismantled and link firmly on bar joint arris, this bar silica gel pad body supports to the cooperation with bar joint arris elasticity.

In the wiring structure of the motor, the rubber pad is fixedly arranged on the lower groove wall of the rectangular groove, the size and the shape of the rubber pad are matched with the lower groove wall of the rectangular groove, the rubber pad is provided with assembling grooves distributed at intervals, and the power line is correspondingly distributed in the assembling grooves and is electrically connected with the corresponding wiring terminal in a detachable mode. The purpose that sets up like this can prevent effectively that power cord and corresponding terminal can dismantle electric connection's tie point and shift not hard up, and structural stability is high.

In the wiring structure of the motor, the notch of the rectangular groove is provided with the concave step, the inner wall of the wiring cover is provided with the convex abutting edge, and when the wiring cover is detachably and fixedly connected to the notch of the rectangular groove, the convex abutting edge is clamped on the corresponding concave step to form sealing fit. In practical application, a sealing cotton pad is arranged between the convex abutting edge and the concave step to ensure the sealing effectiveness of the relative involution of the convex abutting edge and the concave step; the groove wall corners of the rectangular groove are provided with spiral holes, the corners of the wiring cover are provided with through holes, and the wiring cover penetrates through the through holes through bolts to be detachably connected in the spiral holes of the groove wall of the rectangular groove in a spiral mode.

In the wiring structure of foretell motor, the left cell wall of rectangular channel on still inlay and be equipped with the threading silica gel pad that has the through wires hole, the screens breach has on the left side limit wall of this wiring lid, the size, the shape and the screens breach adaptation of this threading silica gel pad, when the wiring lid can be dismantled when the groove mouth department of firm connection in rectangular channel, this threading silica gel pad elastic sealing card is located the screens breach of wiring lid. When actually making, this threading silica gel pad's outward flange has the dislocation step, has the dislocation on the inner wall of the screens breach of this wiring lid and leans on the position, and when threading silica gel pad elastic seal card was located the screens breach of wiring lid, this dislocation was leaned on the position and is leaned on the cooperation with the sealed support of dislocation step.

Compared with the prior art, the wiring structure of the motor has the advantages that: the rectangular channel that is used for with the coupling wiring of motor coil is directly made to form on the terminal surface of motor casing, and the outward logical line of rectangular channel is sealed to lean on the cooperation with the bar silica gel pad body, makes the complete airtight space of rectangular channel formation, has the produced electromagnetic interference of sealed shield motor, and structural design is reasonable, simple, assembly convenient to use, and manufacturing cost is lower.

Drawings

Fig. 1 is a schematic perspective view of the wiring structure of the present motor.

Fig. 2 is a partially exploded perspective view of the wiring structure of the present motor.

Fig. 3 is a schematic perspective view of the wiring structure of the motor with the wiring cover opened.

In the figure, 1, a motor casing; 2. an axially outer boss; 3. a rectangular groove; 4. a wiring cover; 5. a strip-shaped hole; 6. a binding post; 7. a power line; 8. a strip-shaped silica gel pad body; 9. a through hole; 10. a strip-shaped clamping edge; 11. a rubber pad; 12. an inward recessed step; 13. a convex abutment edge; 14. threading a silica gel pad; 15. screens breach.

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, 2 and 3, the wiring structure of the motor mainly comprises a motor casing 1, an axially outer boss 2 is arranged on the outer end face of one end of the motor casing 1, a rectangular groove 3 is arranged on the axially outer boss 2, this right cell wall of rectangular channel 3 is the axial evagination cell wall, the notch department of rectangular channel 3 can be dismantled fixedly connected with and 3 sealed complex wiring lid 4 of rectangular channel, the tank bottom of rectangular channel 3 is provided with the bar hole 5 that communicates in 1 with the motor casing, be provided with three in the rectangular channel 3 and pass bar hole 5 be used for with motor coil electric connection's terminal 6 one, can dismantle connecting power cord 7 on 6 one of every terminal in the rectangular channel 3, every power cord 7 passes the axial evagination cell wall of rectangular channel 3 and extends to 1 outer electric connection that is used for of motor casing, be provided with the sealed connection structure who makes every power cord 7 and the sealed complex of the axial evagination cell wall of rectangular channel 3 between the axial evagination cell wall of rectangular channel 3 and every power cord 7.

In actual manufacturing, the sealing connection structure is implemented by the following specific modes: the power cord type motor casing mainly comprises a strip-shaped silica gel cushion body 8, wherein three through-line holes 9 are distributed on the strip-shaped silica gel cushion body 8 at intervals along the length direction of the strip-shaped silica gel cushion body 8, a strip-shaped opening is formed in the axially outward protruding groove wall of the rectangular groove 3, the size and the shape of the strip-shaped silica gel cushion body 8 are matched with the strip-shaped opening, the strip-shaped silica gel cushion body 8 can be detachably and fixedly arranged in the strip-shaped opening, each power cord 7 penetrates out of the through-line hole 9 in the strip-shaped silica gel cushion body 8 and extends out of the motor casing 1, and each power cord 7 is in sealing fit with; specifically speaking: the diameter of the through hole 9 of the strip-shaped silica gel pad body 8 is smaller than that of the power line 7, and when each power line 7 penetrates out of the through hole 9 in the strip-shaped silica gel pad body 8, the hole wall of the through hole 9 of the strip-shaped silica gel pad body 8 and the corresponding power line 7 are radially elastically abutted to be in sealing fit.

During actual manufacturing, the strip-shaped silica gel pad body 8 can be detachably and fixedly arranged in the strip-shaped opening in the following specific implementation modes: the strip silica gel pad body 8 two long borders have the strip joint groove respectively, have strip joint arris 10 on the open wall of the strip open-ended on the axial evagination cell wall of rectangular channel 3 respectively, and strip silica gel pad body 8 can be dismantled through the strip joint groove and link firmly on the strip open-ended strip joint arris 10 on the axial evagination cell wall of rectangular channel 3.

During actual manufacturing, a rubber pad 11 is fixedly arranged on the lower groove wall of the rectangular groove 3, the size and the shape of the rubber pad 11 are matched with the lower groove wall of the rectangular groove 3, assembling grooves distributed at intervals are formed in the rubber pad 11, and the power lines 7 are correspondingly distributed in the assembling grooves and are detachably and electrically connected with the corresponding binding posts 6.

During actual manufacturing, the notch of the rectangular groove 3 is detachably and fixedly connected with a specific connection structure of the wiring cover 4 in sealing fit with the rectangular groove 3, and the specific connection structure is as follows: the notch of the rectangular groove 3 is provided with an inner concave step 12, the inner wall of the wiring cover 4 is provided with a convex abutting edge 13, and when the wiring cover 4 is detachably and fixedly connected to the notch of the rectangular groove 3, the convex abutting edge 13 is clamped on the corresponding inner concave step 12 to form sealing fit.

Still inlay on the left cell wall of this rectangular channel 3 and be equipped with threading silica gel pad 14 that has the through wires hole, have screens breach 15 on the left side wall of this wiring lid 4, the size, the shape and the 15 adaptations of screens breach of this threading silica gel pad 14, when wiring lid 4 can dismantle the solid fixed connection in the notch department of rectangular channel 3, this threading silica gel pad 14 elasticity seals the card and is located the screens breach 15 of wiring lid 4.

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.

Although the motor case 1 is used more herein; an axially outer boss 2; a rectangular groove 3; a wiring cover 4; a strip-shaped hole 5; a binding post 6; a power supply line 7; a strip-shaped silica gel pad body 8; a through hole 9; a strip-shaped clamping edge 10; a rubber pad 11; an inner recessed step 12; a convex abutment edge 13; a threading silica gel pad 14; detent notches 15, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A wiring structure of a motor comprises a motor shell (1) and is characterized in that an axially outer boss (2) is arranged on the outer end face of one end of the motor shell (1), a rectangular groove (3) is arranged on the axially outer boss (2), the right groove wall of the rectangular groove (3) is an axially outward protruding groove wall, a wiring cover (4) which is in sealing fit with the rectangular groove (3) is detachably and fixedly connected with the notch of the rectangular groove (3), a strip-shaped hole (5) which is communicated with the inside of the motor shell (1) is arranged at the groove bottom of the rectangular groove (3), a plurality of wiring terminals (6) which penetrate through the strip-shaped hole (5) and are used for electrically connecting with a motor coil are arranged in the rectangular groove (3), a power cord (7) is detachably connected with each wiring terminal (6) in the rectangular groove (3), and each power cord (7) penetrates through the axially outward protruding groove wall of the rectangular groove (3) and extends to the motor shell (1) to be externally used for electrically connecting, and a sealing connection structure which enables each power line (7) to be in sealing fit with the axial convex groove wall of the rectangular groove (3) is arranged between the axial convex groove wall of the rectangular groove (3) and each power line (7).

2. The wiring structure of a motor according to claim 1, wherein the sealing connection structure comprises a strip-shaped silica gel pad body (8), a plurality of through hole (9) are distributed on the strip-shaped silica gel pad body (8) along the length direction of the strip-shaped silica gel pad body (8) at intervals, a strip-shaped opening is arranged on the axial outward convex slot wall of the rectangular slot (3), the size and the shape of the strip-shaped silica gel pad body (8) are matched with the strip-shaped opening, the strip-shaped silica gel pad body (8) can be detachably fixed in the strip-shaped opening, each power line (7) penetrates out of the through hole (9) in the strip-shaped silica gel pad body (8) and extends to the outside of the motor shell (1), and each power line (7) is in sealing fit with the axial outward convex slot wall of the strip-shaped silica gel pad body (8) and the rectangular slot (3.

3. The wiring structure of the motor according to claim 2, wherein the diameter of the through hole (9) of the strip-shaped silicone cushion body (8) is smaller than the diameter of the power cord (7), and when each power cord (7) penetrates out from the through hole (9) in the strip-shaped silicone cushion body (8), the hole wall of the through hole (9) of the strip-shaped silicone cushion body (8) and the corresponding power cord (7) are radially and elastically abutted to be in sealing fit.

4. The connection structure of an electric motor according to claim 3, wherein the two long side edges of the strip-shaped silicone rubber pad body (8) are respectively provided with a strip-shaped clamping groove, the opening wall of the strip-shaped opening on the axially outward convex groove wall of the rectangular groove (3) is respectively provided with a strip-shaped clamping ridge (10), and the strip-shaped silicone rubber pad body (8) is detachably and fixedly connected to the strip-shaped clamping ridge (10) of the strip-shaped opening on the axially outward convex groove wall of the rectangular groove (3) through the strip-shaped clamping groove.

5. The wiring structure of an electric motor according to claim 1 or 4, wherein a rubber gasket (11) is fixedly arranged on the lower groove wall of the rectangular groove (3), the size and shape of the rubber gasket (11) are matched with the lower groove wall of the rectangular groove (3), the rubber gasket (11) is provided with assembling grooves distributed at intervals, and the power wires (7) are correspondingly distributed in the assembling grooves and are detachably and electrically connected with the corresponding wiring terminals (6).

6. A connection arrangement for an electrical machine according to claim 5, characterized in that the opening of the rectangular channel (3) has recessed steps (12), and the inner wall of the connection cover (4) has a protruding abutment edge (13), the protruding abutment edge (13) engaging the corresponding recessed steps (12) to form a sealing engagement when the connection cover (4) is detachably secured to the opening of the rectangular channel (3).

7. The wiring structure of an electric motor according to claim 6, wherein a silicone rubber gasket (14) with a threading hole is further embedded in the left wall of the rectangular groove (3), a locking notch (15) is formed in the left wall of the wiring cover (4), the size and shape of the silicone rubber gasket (14) are matched with the locking notch (15), and when the wiring cover (4) is detachably and fixedly connected to the notch of the rectangular groove (3), the silicone rubber gasket (14) is elastically and hermetically locked in the locking notch (15) of the wiring cover (4).