CN112531948A - Coil framework and stator framework - Google Patents
Coil framework and stator framework Download PDFInfo
- Publication number
- CN112531948A CN112531948A CN201910883887.6A CN201910883887A CN112531948A CN 112531948 A CN112531948 A CN 112531948A CN 201910883887 A CN201910883887 A CN 201910883887A CN 112531948 A CN112531948 A CN 112531948A
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- CN
- China
- Prior art keywords
- bobbin
- terminal
- receiving portion
- coil
- framework
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
Abstract
The invention discloses a coil skeleton, which comprises: the coil comprises a framework body, a coil body and a coil body, wherein a lead can be wound on the framework body to form a coil, and the framework body comprises a receiving channel penetrating through the framework body; the receiving channel includes a first receiving portion configured to receive the lead end of the wire from the first side of the backbone body and a second receiving portion opposite the first receiving portion configured to receive a conductive terminal from the second side of the backbone body such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the second receiving portion. According to the invention, the structure of the coil framework is designed according to the height of the motor iron core, so that the terminals and the lead terminals can be installed from different sides of the framework body, the height of the stator framework is reduced, the overall height of the motor is reduced, and the purpose of saving the motor space can be achieved.
Description
Technical Field
The invention relates to the field of motors, in particular to a coil framework and a stator framework for a motor.
Background
The stator bobbin generally includes a coil bobbin for winding a wire and a terminal bobbin for mounting a conductive terminal. Generally, the stator bobbin is generally one molded integral piece, that is, the coil bobbin and the terminal bobbin are integrally formed by molding. In the manufacturing process of the motor, an integrally formed stator frame is usually pressed into the stator, then a wire (e.g., an enameled wire) is wound on the coil frame to form a coil, then a lead end of the coil is pressed into a wire pressing groove on the terminal frame, and finally, a conductive terminal is pressed into a conductive terminal groove on the terminal frame so as to be electrically connected with the lead end of the coil.
However, in current motor manufacturing, the press-in direction of the terminal and the lead wire is on the same side of the coil bobbin, so that the terminal and its stator bobbin occupy a relatively large space in the motor.
Disclosure of Invention
In view of the problems in the prior art, one aspect of the present invention provides a coil bobbin, including: the coil comprises a framework body, a coil body and a coil body, wherein a lead can be wound on the framework body to form a coil, and the framework body comprises a receiving channel penetrating through the framework body; the receiving channel includes a first receiving portion configured to receive a lead end of the wire from a first side of the backbone body and a second receiving portion opposite the first receiving portion, the second receiving portion configured to receive a conductive terminal from a second side of the backbone body such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the second receiving portion.
In one embodiment, the skeletal body further comprises a first groove formed on the first side, and the receiving channel extends through the skeletal body from a bottom of the first groove.
In one embodiment, the skeletal body further comprises a second groove formed on the second side, and the receiving channel extends through the skeletal body from a bottom of the second groove.
In another aspect, the present invention provides a stator frame, including: the coil framework comprises a framework body, a lead can be wound on the framework body to form a coil, and the framework body comprises a receiving channel penetrating through the framework body; a terminal backbone configured to be received within the receiving channel, the terminal backbone including a first receiving portion configured to receive a lead end of the wire from a first side of the backbone body and a second receiving portion opposite the first receiving portion, the second receiving portion configured to receive a conductive terminal from a second side of the backbone body such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the second receiving portion.
In one embodiment, the first receiving portion includes a wire crimping groove formed along a first direction of the terminal frame, and the second receiving portion includes a terminal groove formed along a second direction of the terminal frame, wherein the terminal groove is through-connected to the wire crimping groove such that the conductive terminal makes electrical contact with the lead terminal when the conductive terminal is received in the terminal groove.
In one embodiment, the bobbin body further includes a first groove formed at the first side, and the receiving channel penetrates the bobbin body from a bottom of the first groove, wherein the first receiving portion of the terminal bobbin extends toward the first side of the bobbin body to protrude out of a bottom of the first groove.
In one embodiment, the backbone body further comprises a second recess formed in the second side, the receiving channel extending through the backbone body from a bottom of the second recess, wherein when the conductive terminal is received within the second receiving portion of the terminal backbone, a portion of the conductive terminal is exposed outside of the second receiving portion and received within the second recess.
In one embodiment, the coil bobbin further includes a blocking member disposed on the first side of the bobbin body, the blocking member configured to block the lead terminal from coming off the terminal bobbin when the lead terminal is received in the first receiving portion of the terminal bobbin.
In one embodiment, the barrier includes a fastener, and the armature body has a fastening hole, wherein when the barrier is mounted to the armature body, the fastener engages the fastening hole to secure the barrier to the armature body.
The structure of the coil framework is designed according to the height of the motor iron core, so that the terminals and the lead terminals can be installed from different sides of the framework body, the height of the stator framework is reduced, the overall height of the motor is reduced, and the purpose of saving the space of the motor can be achieved.
Drawings
FIG. 1 is a perspective view of the front face of a stator frame when not loaded with terminals according to one embodiment of the present invention;
FIG. 2 is a perspective view of the back side of the stator frame of FIG. 1;
FIG. 3 is an exploded view of the stator frame of FIG. 1 prior to assembly;
FIG. 4 is a perspective view of the assembled front face of the stator frame of FIG. 3;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a perspective view of FIG. 5 taken along A-A;
FIG. 7 is an enlarged view of a portion of FIG. 6;
fig. 8 is a view of fig. 6 with the terminal backbone removed;
fig. 9 is a sectional view taken along the direction B-B of fig. 5.
Detailed Description
In the following detailed description of the preferred embodiments, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings illustrate, by way of example, specific embodiments in which the invention may be practiced. The exemplary embodiments are not intended to be exhaustive of all embodiments according to the invention. In the specification, the same or similar reference numerals denote the same or similar components. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.
As used herein, the terms "include," "include," and similar terms are to be construed as open-ended terms, i.e., "including/including but not limited to," meaning that additional content can be included as well. The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment," and so on.
According to a first aspect of the present invention, there is provided a stator frame comprising: the coil framework comprises a framework body, a lead can be wound on the framework body to form a coil, and the framework body comprises a receiving channel penetrating through the framework body; a terminal backbone configured to be received within the receiving channel, the terminal backbone including a first receiving portion configured to receive a lead end of the wire from a first side of the backbone body and a second receiving portion opposite the first receiving portion, the second receiving portion configured to receive a conductive terminal from a second side of the backbone body such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the second receiving portion.
The present invention will be described in detail below with reference to fig. 1 to 9.
As shown in fig. 1, 2, 6 and 9, the stator bobbin 100 includes a coil bobbin 101 and a terminal bobbin 102, the coil bobbin 101 includes a bobbin body 103, a wire is wound on the bobbin body 103 to form a coil, the bobbin body 103 includes a first groove 104, the first groove 104 is recessed into the bobbin body 103 (shown in fig. 1) from a front surface (i.e., a first side) of the bobbin body 103, the bobbin body 103 further includes a second groove 105 and a receiving channel 106, the second groove 105 is recessed into the bobbin body 103 (shown in fig. 2) from a back surface (i.e., a second side) of the bobbin body 103, the receiving channel 106 penetrates through the bobbin body 103 from a bottom of the first groove 104 to a bottom of the second groove 105, the receiving channel 106 is configured to receive the terminal bobbin 102, and in one embodiment, the terminal bobbin 102 is integrally formed with the receiving channel; in another embodiment, the terminal backbone 102 is removably mounted within the receiving channel. As shown in fig. 6, each terminal backbone 102 includes a first portion 102a (i.e., a first receiving portion) and a second portion 102b (i.e., a second receiving portion) opposite the first portion 102a, the first portion 102a configured to receive a lead end 203 of a wire from a first side of the backbone body 103, the second portion 102b configured to receive a conductive terminal 302 from a second side of the backbone body 103, such that when the conductive terminal 302 is inserted into the second portion 102b, the conductive terminal 302 makes electrical contact with the lead end 203 (e.g., when the conductive terminal 302 is inserted into the second portion 102b, the conductive terminal 302 pierces an insulation layer of the lead end 203 to make electrical connection with a conductor contact inside the wire). With continued reference to fig. 6, the first portion 102a includes a terminal groove 201 formed along a direction of the terminal frame 102 parallel to the axial direction of the coil frame 101 (i.e., a first direction), and the second portion 102b includes a pressure line groove 202 formed along a second direction of the terminal frame 102 at an angle (preferably, the angle is 90 degrees) to the first direction, wherein the terminal groove 201 is in communication with the pressure line groove 202 such that when the conductive terminal 302 is received within the terminal groove 201, the conductive terminal 302 is in electrical contact with the lead terminal 203. As also shown in fig. 6, when the terminal frame 102 is received within the receiving channel 106, the first portion 102a extends toward the first side of the frame body 103 protruding beyond the bottom of the first groove 104. In one embodiment, the height of the first portion 102a extending beyond the bottom of the first recess 104 is no greater than the height of the skeletal body 103 on the first side. In another embodiment, the first portion 102a does not protrude out of the bottom of the first groove 104, and the first groove 104 has a wire groove that communicates with the wire pressing groove 202 in the second direction so that the lead terminal 203 can still be pressed into the wire pressing groove 202. As shown in fig. 6, a portion of the conductive terminal 302 is exposed outside the second portion 102b and is received within the second recess 105.
It should be understood that in one embodiment, the skeletal body 103 may include only the first recess 104 and not the second recess 105, with the receiving channel extending through the skeletal body 103 from the bottom of the first recess 104, and the structure and function of the other components unchanged. In another embodiment, the skeletal body 103 may include only the second groove 105, not the first groove 104, and the receiving channel extends through the skeletal body 103 from the bottom of the second groove 105, with the structure and function of the other components unchanged. In another embodiment, the skeletal body 103 may also include neither the first groove 104 nor the second groove 105, and the receiving channel may extend from the first side of the skeletal body to the second side of the skeletal body, with the structure and function of the other components unchanged.
As shown in fig. 3, 4, 5, 7, and 8, the coil former 101 further includes a stop 301 disposed on a first side of the former body 103, the stop 301 configured to block the lead end 203 from disengaging the terminal former 102 when the lead end 203 is received within the first portion 102a of the terminal former 102. It should be understood that the stop 301 may be a plastic component, or may be a component made of other suitable materials such as rubber. The blocker 301 may further include a fastener 301a having a fastening hole disposed therein, wherein the fastener 301a cooperates with the fastening hole to secure the blocker to the armature body when the blocker 301 is mounted thereto. It should be understood that the fastening hole may be the fastening hole 107 as in the embodiment shown in fig. 2, the fastening hole 107 being provided at the bottom of the second recess 105 and extending through the skeleton body, such that the fastener 301a can be fastened (e.g., snapped) to the skeleton body through the fastening hole 107. The position of the fastening hole and the manner of engagement with the fastening member 301a are not limited to the above-described manner as long as the fastening member 301a can be fixed to the frame body.
It should be understood that in one embodiment, the blocking member may be configured to be detachably fixed to the first side of the bobbin body, the blocking member may be configured to block the first portion of the terminal bobbin at ordinary times, when the conductive terminal and the lead terminal need to be installed, the blocking member is removed from the first portion of the terminal bobbin, the conductive terminal is then installed in the terminal groove of the second portion of the terminal bobbin, the lead terminal of the conductive wire is then pressed into the wire pressing groove so that the conductive terminal is electrically contacted with the lead terminal, and finally, the blocking member is fixed to the coil bobbin by fitting the fastening member to the fastening hole.
In another embodiment, the blocking member may be movably (e.g., rotatably or slidably) disposed on the first side of the frame body, and the blocking member may be normally configured to block the first portion of the terminal frame, and when it is desired to mount the conductive terminal and the lead terminal, the blocking member is first removed from the first portion of the terminal frame, the conductive terminal is then installed in the terminal slot of the second portion, the lead terminal is then pressed into the wire pressing slot so that the conductive terminal is electrically contacted with the lead terminal, and finally, the blocking member is moved back to the first portion of the terminal frame. It should also be understood that the sequence of installing the conductive terminals and the lead terminals may be reversed, that is, the lead terminals may be first pressed into the wire pressing groove and then installed into the terminal grooves so that the conductive terminals are electrically contacted with the lead terminals.
It should be understood that the conductive terminals used in the present invention are not limited to the conductive terminals 302 with the plug having a V-shaped cross section and the barb structure 302a shown in the drawings. Any suitable type of conductive terminal can be installed in the coil bobbin of the present invention, and only the structure of the terminal bobbin needs to be correspondingly adjusted to fit the conductive terminal.
It should also be understood that although in the above embodiments, the bobbin is described as including a stop, the coil bobbin may not include a stop if the crimping slots are capable of crimping the lead ends sufficiently tightly.
According to another aspect of the present invention, there is also provided a coil bobbin, including: the coil comprises a framework body, a coil body and a coil body, wherein a lead can be wound on the framework body to form a coil, and the framework body comprises a receiving channel penetrating through the framework body; the receiving channel includes a first receiving portion configured to receive a lead end of the wire from a first side of the backbone body and a second receiving portion opposite the first receiving portion, the second receiving portion configured to receive a conductive terminal from a second side of the backbone body such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the second receiving portion.
In one embodiment, the receiving channels of the bobbin are used for accommodating the terminal bobbin as described above, in this case, for example, the first receiving portions of the receiving channels are 106a and 106a schematically shown in fig. 8 and are located on the same side as the first receiving portion 102a of the terminal bobbin (as shown in fig. 6 and 7, the second receiving portions of the receiving channels are 106b and 106b schematically shown in fig. 8 and are located on the same side as the second receiving portion 102b of the terminal bobbin (as shown in fig. 6 and 7), and other portions of the bobbin and the connection manner with the terminal bobbin are the same as those described in the foregoing stator bobbin, and will not be described herein again.
In another embodiment, the first receiving portion of the bobbin is configured to directly receive the lead end of the lead wire from the first side of the bobbin body, the second receiving portion is configured to directly receive the conductive terminal from the second side of the bobbin body, and other portions of the bobbin are the same as those described in the foregoing stator bobbin and will not be described herein again.
It should be understood that in the above embodiments, only the case where one receiving channel is included in the first groove and one terminal skeleton is received in one receiving channel in the drawings is described, in other embodiments, the skeleton body of the coil may include any plurality of first grooves, each first groove may include a plurality of receiving channels, each receiving channel receives one terminal skeleton, and/or the skeleton body may include any plurality of second grooves and/or a plurality of stoppers, and the structures and functions of the remaining components are the same as those of the foregoing embodiments.
The structure of the coil framework is designed according to the height of the motor iron core, so that the terminals and the lead terminals can be installed from different sides of the framework body, the height of the stator framework is reduced, the overall height of the motor is reduced, and the purpose of saving the space of the motor can be achieved.
It should be noted that the above-mentioned embodiments are only specific examples of the present invention, and obviously, the present invention is not limited to the above-mentioned embodiments, and many similar variations exist. All modifications which would occur to one skilled in the art and which are, therefore, directly derived or suggested from the disclosure herein are deemed to be within the scope of the present invention.
Claims (9)
1. A coil former, comprising:
the coil comprises a framework body, a coil body and a coil body, wherein a lead can be wound on the framework body to form a coil, and the framework body comprises a receiving channel penetrating through the framework body;
the receiving channel includes a first receiving portion configured to receive a lead end of the wire from a first side of the backbone body and a second receiving portion opposite the first receiving portion, the second receiving portion configured to receive a conductive terminal from a second side of the backbone body such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the second receiving portion.
2. The bobbin of claim 1, wherein the bobbin body further comprises a first groove formed in the first side, the receiving channel extending through the bobbin body from a bottom of the first groove.
3. The bobbin of claim 1, wherein the bobbin body further comprises a second groove formed in the second side, the receiving channel extending through the bobbin body from a bottom of the second groove.
4. A stator skeleton, comprising:
the coil framework comprises a framework body, a lead can be wound on the framework body to form a coil, and the framework body comprises a receiving channel penetrating through the framework body;
a terminal backbone configured to be received within the receiving channel, the terminal backbone including a first receiving portion configured to receive a lead end of the wire from a first side of the backbone body and a second receiving portion opposite the first receiving portion, the second receiving portion configured to receive a conductive terminal from a second side of the backbone body such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the second receiving portion.
5. The stator frame of claim 4, wherein the first receiving portion includes a wire crush slot formed along a first direction of the terminal frame and the second receiving portion includes a terminal slot formed along a second direction of the terminal frame, wherein the terminal slot is through the wire crush slot such that the conductive terminal makes electrical contact with the lead end when the conductive terminal is received within the terminal slot.
6. The stator bobbin of claim 4, wherein the bobbin body further comprises a first groove formed in the first side, the receiving channel extending through the bobbin body from a bottom of the first groove, wherein the first receiving portion of the terminal bobbin extends out of a bottom of the first groove toward the first side of the bobbin body.
7. The stator bobbin of claim 4, wherein the bobbin body further comprises a second groove formed in the second side, the receiving channel extending through the bobbin body from a bottom of the second groove, wherein when the conductive terminal is received in the second receiving portion of the terminal bobbin, a portion of the conductive terminal is exposed outside of the second receiving portion and received in the second groove.
8. The stator bobbin of claim 4, further comprising a blocking member disposed on the first side of the bobbin body, the blocking member configured to block the lead end from disengaging the terminal bobbin when the lead end is received within the first receiving portion of the terminal bobbin.
9. The stator bobbin of claim 8, wherein the stop comprises a fastener and the bobbin body has a fastening hole disposed therein, wherein the fastener engages the fastening hole when the stop is installed on the bobbin body to secure the stop to the bobbin body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910883887.6A CN112531948A (en) | 2019-09-18 | 2019-09-18 | Coil framework and stator framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910883887.6A CN112531948A (en) | 2019-09-18 | 2019-09-18 | Coil framework and stator framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112531948A true CN112531948A (en) | 2021-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910883887.6A Pending CN112531948A (en) | 2019-09-18 | 2019-09-18 | Coil framework and stator framework |
Country Status (1)
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|---|---|
| CN (1) | CN112531948A (en) |
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Application publication date: 20210319 |