CN217545711U - Insulating skeleton and motor - Google Patents

Abstract

The utility model discloses an insulating skeleton and motor, insulating skeleton includes: a skeleton body; the wiring terminal is arranged on the framework body, a wiring cavity is defined by the wiring terminal, the wiring cavity is provided with a first side wall and a second side wall which are opposite, and the first side wall and the second side wall are both provided with a first wire passing groove; the positioning piece is arranged in the first wire passing groove and limits the second wire passing groove. From this, through being provided with the setting element in the first wire casing of crossing, can install the wire rod of different line footpaths in the second crosses the wire casing, can make the wire rod of the compatible multiple specification of insulating skeleton to promote insulating skeleton compatibility, and, after the wire rod was installed in the second crossed the wire casing, the wire rod was in and walks line chamber intermediate position, and then can effectively puncture the wire rod when making the terminal impress and walk the line chamber, improved the reliability that the motor is connected, also can reduce the mould development quantity of production insulating skeleton, thereby reduction in production cost.

Description

Insulating skeleton and motor

Technical Field

The utility model belongs to the technical field of the motor and specifically relates to an insulating skeleton and have motor of this insulating skeleton are related to.

Background

In the related art, in order to automate the production process of the propulsion motor, a plug-in type lead-out wire process has been adopted in many motor factories. In order to realize the process, the upper end and the lower end of a common motor stator core are fixed with an insulating framework, a motor winding is wound on the insulating framework, meanwhile, a wire cavity is arranged on the insulating framework, a wire clamping groove is formed in the side wall of the wire cavity, a wire is installed in the wire clamping groove, and when the wire (an enameled wire) is in a terminal crimping process, the enameled wire can be placed in the middle and can be uniformly and stably punctured, so that the contact resistance of the joint of the enameled wire and a terminal can be controlled within a certain range, and the motor can reliably run after the terminal is crimped.

However, due to diversified demands of markets and customers, even if the same motor is stamped, the winding scheme has many styles, in the actual design process, the enameled wire can adopt various wire gauges, the wire clamping groove in the wire cavity of the conventional insulating framework is fixed in size, and the wire clamping groove can only be assembled with the enameled wire corresponding to the wire gauge, so that the compatibility of the insulating framework is poor, and for the enameled wires with different wire diameters, in order to ensure the reliable connection of terminals, the wire clamping grooves with different sizes must be designed for the insulating framework, the cost of a die and the production management can be greatly increased, so that the insulating framework which can be compatible with different wire diameters is necessary to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an insulating skeleton, this insulating skeleton can install the wire rod in different line footpaths in the second crosses the wire casing, can make the wire rod of the compatible multiple specification of insulating skeleton to promote insulating skeleton compatibility.

The utility model discloses a motor is further proposed.

According to the utility model discloses an insulating skeleton, include: a skeleton body; the wiring terminal is arranged on the framework body, a wiring cavity is defined by the wiring terminal, the wiring cavity is provided with a first side wall and a second side wall which are opposite, and the first side wall and the second side wall are both provided with a first wiring groove; the positioning piece is arranged in the first wire passing groove and limits the second wire passing groove.

According to the utility model discloses an insulating skeleton, through be provided with the setting element in the first wire casing of crossing, can install the wire rod in different line footpaths in the second wire casing of crossing, can make the wire rod of the compatible multiple specification of insulating skeleton, thereby promote insulating skeleton compatibility, and, the wire rod is installed in the second and crosses the wire casing back, the wire rod is in and walks line chamber intermediate position, and then make the terminal impress and can effectively pierce the wire rod when walking the line chamber, the reliability that the motor is connected has been improved, also can reduce the mould development quantity of producing insulating skeleton, thereby reduction in production cost.

In some examples of the present invention, the thickness of the positioning member is L1, and the thickness of the first wire passing groove is L2, which satisfies the following relation: l1 is less than L2.

In some examples of the present invention, the first width of the wire passing groove is D1, the second width of the wire passing groove is D2, and the following relation is satisfied: d1> D2.

In some examples of the invention, the first side wall the first center line of crossing the wire casing the second center line of crossing the wire casing with the center line collineation of line chamber.

In some examples of the invention, the positioning element is close to the first wire passing groove which is far away from the end portion of the wire passing cavity.

In some examples of the invention, the bottom wall of the routing cavity is provided with a support structure for supporting the wiring harness.

In some examples of the present invention, the line cavity is arranged in a depth direction, the first line-passing groove bottom end and the second line-passing groove bottom end are both parallel and level with the end surface of the bottom wall.

In some examples of the invention, the frame body and the wire terminals are integrally formed.

In some examples of the invention, the skeleton body comprises: the framework comprises a framework outer wall, a plurality of framework inner walls and a plurality of insulating jaw parts, wherein the insulating jaw parts are connected between the framework outer wall and the framework inner walls and are in one-to-one correspondence with the insulating jaw parts.

In some examples of the present invention, the first wire passing groove of the first sidewall penetrates the first sidewall in a thickness direction of the first sidewall;

the first wire passing groove of the second side wall penetrates through the second side wall in the thickness direction of the second side wall;

the second wire passing groove penetrates through the positioning piece in the thickness direction of the positioning piece.

According to the utility model discloses a motor, including foretell insulating skeleton.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a top view of an insulating framework according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is an assembly schematic view of a wiring terminal and a wire according to an embodiment of the present invention.

Reference numerals:

an insulating skeleton 100;

a skeleton body 200; a wiring terminal 10; a first side wall 1; a second side wall 2;

a skeleton outer wall 3; an insulating jaw 4; a framework inner wall 5;

a routing cavity 20; a first wire passing groove 11; a second wire passing groove 12; a positioning member 13; a support structure 14;

a wire 30;

a spacing space 300.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the following, referring to fig. 1 to fig. 3, an insulating frame 100 according to an embodiment of the present invention is described, but the present invention is not limited thereto, and the insulating frame 100 may also be applied to other apparatuses, and the present invention is described by taking the case where the insulating frame 100 is applied to a motor as an example.

As shown in fig. 1 to 3, an insulation frame 100 according to an embodiment of the present invention includes: the framework comprises a framework body 200, a routing terminal 10 and a positioning part 13 with elasticity, wherein the routing terminal 10 is arranged on the framework body 200, the routing terminal 10 defines a routing cavity 20, the routing cavity 20 has a first side wall 1 and a second side wall 2 which are opposite, further, as shown in fig. 2, the first side wall 1 and the second side wall 2 are oppositely arranged in the radial direction of the insulating framework 100, the inner side wall and the outer side wall of the routing cavity 20 are respectively constructed as the first side wall 1 and the second side wall 2, it can also be understood that when the inner side wall of the routing cavity 20 is constructed as the first side wall 1, the outer side wall of the routing cavity 20 is constructed as the second side wall 2, and when the outer side wall of the routing cavity 20 is constructed as the first side wall 1, the inner side wall of the routing cavity 20 is constructed as the second side wall 2.

First lateral wall 1 and second lateral wall 2 all are equipped with first wire passing groove 11, and setting element 13 is located in first wire passing groove 11, and setting element 13 limits the second wire passing groove 12, and it should be noted that be provided with setting element 13 in first wire passing groove 11 of first lateral wall 1, also be provided with setting element 13 in first wire passing groove 11 of second lateral wall 2.

Wherein, the insulating frame 100 is used for installing the wire 30, as shown in fig. 2, the wire 30 is suitable for passing through the wire routing cavity 20 in the radial direction of the insulating frame 100, and meanwhile, the wire 30 is assembled in the second wire passing groove 12 on the first sidewall 1 and the second wire passing groove 12 on the second sidewall 2, because the positioning element 13 has elasticity, even if the outer diameter of the wire 30 is greater than the width of the second wire passing groove 12, the wire 30 can also be installed in the second wire passing groove 12, so as to install the wires 30 with different wire diameters in the second wire passing groove 12, so that the insulating frame 100 can be compatible with the wires 30 with various specifications, thereby improving the compatibility of the insulating frame 100, and further improving the universality of the insulating frame 100, and further reducing the development number of dies for producing the insulating frame 100, thereby reducing the cost for producing the insulating frame 100, and further reducing the production cost of the motor.

Further, the second wire passing groove 12 on the first side wall 1 is arranged close to the middle of the first side wall 1, the second wire passing groove 12 on the second side wall 2 is arranged close to the middle of the second side wall 2, and after the wire 30 is installed in the second wire passing groove 12, the wire 30 is located in the middle of the wire routing cavity 20, so that the terminal can be pressed into the wire routing cavity 20 to effectively puncture the wire 30 (enameled wire), and the reliability of motor connection is improved.

Therefore, the positioning part 13 is arranged in the first wire passing groove 11, wires 30 with different wire diameters can be installed in the second wire passing groove 12, the insulating framework 100 can be made to be compatible with the wires 30 with various specifications, the compatibility of the insulating framework 100 is improved, in addition, after the wires 30 are installed in the second wire passing groove 12, the wires 3 are located in the middle of the wire passing cavity 20, the terminals can be further pressed into the wire passing cavity 20 to effectively puncture the wires 30, the reliability of motor connection is improved, the mold development quantity for producing the insulating framework 100 can also be reduced, and the production cost is reduced.

As shown in fig. 2, the surface of the positioning element 13 opposite to the inner side of the first wire passing groove 11 is connected to the inner side of the first wire passing groove 11, further, the positioning element 13 on the first side wall 1 is integrally formed with the first side wall 1, and the positioning element 13 on the second side wall 2 is integrally formed with the second side wall 2, so that the connection strength between the positioning element 13 and the wire passing terminal 10 can be improved, the positioning element 13 is prevented from being separated from the first wire passing groove 11, and the service life of the insulating frame 100 is ensured.

In some embodiments of the present invention, as shown in fig. 1 to 3, the thickness of the positioning member 13 is L1, and the thickness of the first wire passing groove 11 is L2, which satisfy the following relation: l1 is less than L2. Wherein, the manufacturing material of the positioning element 13 is the same as the manufacturing material of the wire terminal 10, as shown in fig. 3, in the radial direction of the insulating framework 100, the thickness of the positioning element 13 is L1, the thickness of the first wire passing groove 11 is L2, the thickness of the positioning element 13 is smaller than the thickness of the first wire passing groove 11, the wire 30 is installed in the second wire passing groove 12, the deformation of the positioning element 13 is facilitated, thereby the wire 30 with the wire diameter larger than the width of the second wire passing groove 1 can be ensured to be installed in the second wire passing groove 12, and further, the insulating framework 100 is ensured to be compatible with the wire 30 with more sizes.

In some embodiments of the present invention, as shown in fig. 3, the first width of the wire passing groove 11 is D1, and the second width of the wire passing groove 12 is D2, which satisfy the following relation: d1> D2. Further, the width of the second wire passing groove 12 is smaller than or equal to the maximum outer diameter of the wire 30, and by making the width of the first wire passing groove 11 larger than the width of the second wire passing groove 12, when the wire 30 bears a certain external force, the wire 30 can be reliably fixed in the second wire passing groove 12, so that the contact resistance at the connection position of the wire 30 can be ensured not to be increased, and the motor can be more likely to be operated reliably for a long time.

In some embodiments of the present invention, as shown in fig. 2, the center line of the first wire passing groove 11 of the first side wall 1, the center line of the first wire passing groove 11 of the second side wall 2, the center line of the second wire passing groove 12 and the center line of the wire passing cavity 20 are collinear. Further, the center line of the first wire passing groove 11 of the first side wall 1, the center line of the first wire passing groove 11 of the second side wall 2, the center line of the second wire passing groove 12 and the center line of the wire passing cavity 20 all extend in the radial direction of the insulating framework 100, the median line of the wire passing cavity 20 is perpendicular to the first side wall 11 and the second side wall 2, the center line of the first wire passing groove 11 of the first side wall 1, the center line of the first wire passing groove 11 of the second side wall 2, the center line of the second wire passing groove 12 on the first side wall 1, the center line of the second wire passing groove 12 on the second side wall 2 and the center line of the wire passing cavity 20, so that the wire 30 can be conveniently installed in the wire passing cavity 20, the wire 30 can be guaranteed to be located at the middle position of the wire cavity 20, and when the terminal is pressed into the wire cavity 20, the wire 30 can be more fully punctured, and the reliability of motor connection is improved.

In some embodiments of the present invention, as shown in fig. 2, the positioning element 13 is disposed near an end of the first wire passing groove 11 away from the wire passing cavity 20. Further, as shown in fig. 2, in the radial direction of the insulating framework 100, the positioning element 13 disposed on the first sidewall 1 is disposed near the inner end of the first sidewall 1, the positioning element 13 disposed on the second sidewall 2 is disposed near the outer end of the second sidewall 2, further, the positioning element 13 disposed on the first sidewall 1 is coplanar with the inner end surface of the first sidewall 1, and the positioning element 13 disposed on the second sidewall 2 is coplanar with the outer end surface of the second sidewall 2. By arranging the positioning element 13 close to the end of the first wire passing groove 11 far away from the wire passing cavity 20, the wire 30 can be conveniently installed in the second wire passing groove 12 in the process of using the insulation framework 100, so that the wire 30 can be conveniently installed in the wire passing cavity 20.

In some embodiments of the present invention, as shown in fig. 2 and 3, the bottom wall of the routing cavity 20 is provided with a support structure 14 for supporting a wiring harness (i.e., the wires 30 in the above-described embodiments). Further, the supporting structure 14 is a boss structure, the supporting structure 14 protrudes the bottom wall of the wiring cavity 20 toward the inside of the wiring cavity 20, the supporting structure 14 and the bottom wall of the wiring terminal 20 are integrally formed, the surface of the supporting structure 14 for supporting the wire 30 can be set to be a rectangular surface, an elliptical surface or a circular surface, etc., the surface of the supporting structure 14 for supporting the wire 30 is parallel to the bottom wall of the wiring cavity 20, when the wire 30 is installed in the second wire passing groove 12 on the first side wall 1, and after the wire 30 is installed in the second wire passing groove 12 on the second side wall 2, the supporting structure 14 supports the wire 30, when the wire 30 is punctured, the supporting structure 14 can reliably support the wire 30, so that the wire 30 is ensured not to fall, and further the contact resistance at the connection position of the wire 30 is ensured not to be increased, thereby realizing the long-term reliable operation effect of the motor using the insulating framework 100.

In some embodiments of the present invention, as shown in fig. 2, in the depth direction of the wire cavity 20, the bottom end of the first wire passing groove 11 and the bottom end of the second wire passing groove 12 are all flush with the end surface of the supporting structure 14, which is far away from the bottom wall of the wire cavity 20. Wherein, the depth direction of the wire cavity 20 is perpendicular to the radial direction of the insulating skeleton 100, in the depth direction of the wire cavity 20, the bottom end of the first wire passing groove 11 and the bottom end of the second wire passing groove 12 are on the same plane, the bottom wall of the wire cavity 20 away from the supporting structure 14 is used for supporting the surface of the wire 30 and the bottom end of the first wire passing groove 11, the bottom end of the second wire passing groove 12 is on the same plane, after the wire 30 is installed in the second wire passing groove 12, the wire 30 can be ensured to be in the middle position of the wire cavity 20 by the arrangement, and then the terminal can effectively puncture the wire 30 when being pressed into the wire cavity 20, the supporting structure 14 can also reliably support the wire 30, the wire 30 is prevented from dropping, and the reliability of motor connection is further improved.

In some embodiments of the utility model, as shown in fig. 1, skeleton body 200 and line terminal 10 integrated into one piece, so set up can strengthen the joint strength between line terminal 10 and skeleton body 200, reduce the risk of separating line terminal 10 and skeleton body 200, and then improve insulating skeleton 100's life, and, use a mould can make skeleton body 200 and line terminal 10 set to integrated into one piece, can reduce the quantity of mould, can reduce mould development cost, thereby can further reduce insulating skeleton 100's manufacturing cost.

In some embodiments of the present invention, as shown in fig. 1, the skeleton body 200 includes: framework outer wall 3, a plurality of framework inner wall 5 and a plurality of insulating hubei province 4, insulating hubei province 4 is connected between framework outer wall 3 and framework inner wall 5, and a plurality of framework inner wall 5 and a plurality of insulating hubei province 4 one-to-one. Further, as shown in fig. 1, the framework outer wall 3 is an annular structure, the internal surface of the framework outer wall 3 is connected with a plurality of insulating jaws 4, the insulating jaws 4 are arranged in the circumferential direction of the framework outer wall 3 at intervals in sequence, the spacing distance between any two adjacent insulating jaws 4 is the same, thereby a plurality of insulating jaws 4 are uniformly arranged in the circumferential direction of the framework outer wall 3, the end part of each insulating jaw 4 far away from the framework outer wall 3 is connected with a framework inner wall 5, the framework outer wall 3, the insulating jaws 4 and the framework inner wall 5 are integrally formed, thereby the structural strength of the framework body 200 is improved, and the deformation and cracking of the framework body 200 are avoided. Wherein, inject spacing space 300 between skeleton inner wall 5 and the skeleton outer wall 3, wire rod 30 twines back on insulating hubei province portion 4, and wire rod 30 is located spacing space 300, and skeleton inner wall 5 can play limiting displacement to wire rod 30, can avoid wire rod 30 and insulating hubei province portion 4 to separate to guarantee that insulating skeleton 100 can not cause the influence because of droing of wire rod 30 to the motor at the in-process that uses, and then make the motor obtain long-term reliable operation effect.

In some embodiments of the present invention, as shown in fig. 2, the first wire passing groove 11 of the first side wall 1 penetrates the first side wall 1 in the thickness direction of the first side wall 1. The first wire passing groove 11 of the second side wall 2 penetrates through the second side wall 2 in the thickness direction of the second side wall 2. The second wire passage groove 12 penetrates the positioning member 13 in the thickness direction of the positioning member 13. So set up and to make first wire casing 11, second wire casing 12 all with walk the inside intercommunication of line chamber 20, can form a line passageway that link up on walking line terminal 10, the wire rod 30 of being convenient for passes and walks line chamber 20 to install wire rod 30 in insulating skeleton 100 more fast, promote insulating skeleton 100 and wire rod 30's assembly efficiency.

According to the utility model discloses the motor, including the insulating skeleton 100 of above-mentioned embodiment, insulating skeleton 100 is installed in the motor, through be provided with setting element 13 in first crossing wire casing 11, can install the wire rod 30 of different line footpaths in second crossing wire casing 12, can make the wire rod 30 of the compatible multiple specification of insulating skeleton 100, thereby promote insulating skeleton 100 compatibility, and, wire rod 30 installs in the second crossing wire casing 12 back, wire rod 3 is in walking line chamber 20 intermediate position, and then make the terminal impress and to pierce wire rod 30 effectively when walking line chamber 20, the reliability of motor connection has been improved, also can reduce the mould development quantity of producing insulating skeleton 100, thereby reduce motor manufacturing cost.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. An insulating skeleton, comprising:

a skeleton body;

the wiring terminal is arranged on the framework body, a wiring cavity is defined by the wiring terminal, the wiring cavity is provided with a first side wall and a second side wall which are opposite, and the first side wall and the second side wall are both provided with a first wire passing groove;

the positioning piece is arranged in the first wire passing groove and limits the second wire passing groove.

2. The insulation framework of claim 1, wherein the positioning element has a thickness L1, and the first wire passing groove has a thickness L2, which satisfy the relationship: l1 is less than L2.

3. The insulation framework of claim 1, wherein the first wire-passing groove has a width D1, the second wire-passing groove has a width D2, and the relationship is satisfied: d1> D2.

4. The insulating skeleton of claim 1, wherein a centerline of the first wire passing groove of the first side wall, a centerline of the first wire passing groove of the second side wall, a centerline of the second wire passing groove and a centerline of the trace cavity are collinear.

5. The insulating skeleton of claim 1, wherein the positioning element is disposed near an end of the first wire passing groove far from the wire passing cavity.

6. The insulating skeleton of claim 1, wherein the bottom wall of the routing cavity is provided with a support structure for supporting a wiring harness.

7. The insulation framework of claim 6, wherein in a depth direction of the routing cavity, the bottom end of the first wire passing groove and the bottom end of the second wire passing groove are flush with an end face, far away from the bottom wall, of the supporting structure.

8. The insulative frame of claim 1 wherein the frame body and the trace terminals are integrally formed.

9. The insulating skeleton of claim 1, wherein the skeleton body comprises: the framework comprises a framework outer wall, a plurality of framework inner walls and a plurality of insulating jaw parts, wherein the insulating jaw parts are connected between the framework outer wall and the framework inner walls and are in one-to-one correspondence with the insulating jaw parts.

10. The insulating framework of any of claims 1-9, wherein the first via trench of the first sidewall penetrates the first sidewall in a thickness direction of the first sidewall;

the first wire passing groove of the second side wall penetrates through the second side wall in the thickness direction of the second side wall;

the second wire passing groove penetrates through the positioning piece in the thickness direction of the positioning piece.

11. An electrical machine, characterized in that it comprises an insulating skeleton according to any one of claims 1-10.

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