CN212969234U - Wire clamp connecting structure, wire clamp, stator framework and motor - Google Patents
Wire clamp connecting structure, wire clamp, stator framework and motor Download PDFInfo
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- CN212969234U CN212969234U CN202021613956.6U CN202021613956U CN212969234U CN 212969234 U CN212969234 U CN 212969234U CN 202021613956 U CN202021613956 U CN 202021613956U CN 212969234 U CN212969234 U CN 212969234U
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Abstract
The utility model provides a fastener connection structure, fastener, stator skeleton and motor relates to motor technical field, has solved the technical problem that lacks location structure between the stator skeleton that exists among the prior art and the fastener. The wire clamp connecting structure is connected with the stator framework and the wire clamp, and when the wire clamp is connected to the stator framework through the connecting structure, the wire clamp can be located at a wire clamp placing position on the injection mold. The utility model is used for realize fixing a position the fastener on stator skeleton for at the stator in-process of moulding plastics, need not the manual work and pull fastener to injection mould chamber assigned position, the process is realized more portably, realizes the optimization of process.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to a fastener connection structure, fastener, stator skeleton and a motor are related to.
Background
At present, in the low-power motor industry, the plastic package motor needs to lead out the wire to the position of the stator power line for extra protection and fixation when injection molding, on one hand, the power line can be prevented from being damaged by extrusion, on the other hand, the power line is also led out for positioning, but the positioning function is lacked between the lead wire clamp and the stator framework which are commonly used at present, the staff is generally required to push the wire clamp to be positioned to the appointed position of a mold cavity, and the positioning operation of the staff wire clamp of the stator during injection molding is increased. In addition, the condition of poor bubbling of a power line is common in injection molding stators in the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fastener connection structure, fastener, stator skeleton and a motor have solved the technical problem that lacks location structure between the stator skeleton that exists among the prior art and the fastener. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of fastener connection structure, connection structure connects stator skeleton and fastener, and works as the fastener passes through connection structure connects when on the stator skeleton, the fastener can be located the fastener department of placing on the injection mould.
Furthermore, connection structure includes the connecting plate, the connecting plate sets up on the fastener, the connecting plate is followed one side of stator skeleton is inserted the stator skeleton and is inserted the back in place, the connecting plate is fixed on the stator skeleton.
Furthermore, the stator framework comprises two semicircular frameworks, two opposite side surfaces of the semicircular frameworks are provided with guide grooves, and the connecting plate is inserted into the stator framework along the guide grooves.
Further, the distance between the bottoms of the two guide groove grooves in the direction penetrating into the stator framework tends to decrease; guide inclined planes are formed on two sides of the free end of the connecting plate and used for reducing the length of the connecting plate in the width direction.
Further, the stator framework and the wire clamp are connected in a clamping mode through the connecting structure.
Further, the connecting structure comprises a clamping groove and a clamping part, the clamping groove and the clamping part are respectively arranged on the stator framework and the wire clamp, and the clamping part can be located in the corresponding clamping groove.
The wire clamp is connected with the stator framework through the wire clamp connecting structure, and part of the connecting structure is arranged on the wire clamp.
Further, the wire clamp is of an integrated structure or a split structure; the wire clamp comprises an upper wire clamping part and a lower wire clamping part, the upper wire clamping part is arranged above the lower wire clamping part and detachably connected with the lower wire clamping part, and part of the connecting structure is arranged on the lower wire clamping part; the upper line clamp part and the lower line clamp part are two independent parts, or the upper line clamp part and the lower line clamp part form one part.
The stator framework is connected with the wire clamp through the wire clamp connecting structure, and part of the connecting structure is arranged on the stator framework.
The motor comprises the wire clamp connecting structure.
The utility model provides a fastener connection structure, fastener can connect on stator skeleton through connection structure, and when the fastener location was on stator skeleton, the fastener department of placing that can be located the fastener on the injection mould was located to the fastener for at the stator in-process of moulding plastics, need not the manual work and pull fastener to injection mould chamber assigned position, the process is realized more portably, realizes the process optimization.
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 wire clamp;
fig. 2 is a schematic view of a part of the structure of the assembly of the wire clamp and the stator frame provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wire clamp provided by an embodiment of the present invention (the wire clamp is an integrated structure);
fig. 4 is another schematic structural diagram of the wire clamp provided by the embodiment of the present invention (the wire clamp is a split structure and two portions of the wire clamp are in an unconnected state);
fig. 5 is a schematic partial structural view of a stator frame according to an embodiment of the present invention;
fig. 6 is another schematic structural diagram of a part of the stator frame according to an embodiment of the present invention;
fig. 7 is a partially enlarged view a of fig. 6.
FIG. 1-stator skeleton; 11-semicircular framework; 2, wire clamping; 21-an upper thread clamp part; 22-lower nip; 23-a wire through hole; 3-connecting the plates; 31-a snap-fit portion; 4-a card slot; 5-a guide groove; 6-a bubble accommodating tank; 7-a groove structure; 8-a power line; 9-iron core; 10-winding.
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.
Referring to fig. 1-7, the utility model provides a fastener connection structure, connection structure connects stator skeleton 1 and fastener 2, and when fastener 2 passes through connection structure to be connected on stator skeleton 1, fastener 2 can be located the fastener department of placing on the injection mould. The wire clamp in the prior art is as shown in fig. 1, and a positioning connection structure is not arranged between the wire clamp and a stator framework in the prior art, so that the process flow used for manufacturing the plastic package stator is mainly implemented according to the following steps: sleeving the iron core on the semicircular framework; winding an enameled wire on the semicircular framework; splicing two semicircular stator frameworks together; connecting a power line and carrying out performance detection; placing the stator assembly in a mold cavity of an injection mold; the wire clamp penetrates through a power line and is pushed to a specified position of a die cavity; injection molding; and carrying out other subsequent processes. Because the positioning connection structure is lacked between present fastener and the stator skeleton, cause to need the manual work to push away the fastener to the die cavity assigned position. The utility model provides a fastener connection structure, fastener 2 can connect on stator skeleton 1 through connection structure, and when fastener 2 was fixed a position on stator skeleton 1, fastener 2 can be located the fastener department of placing on the injection mould for at the stator in-process of moulding plastics, need not the manual work and pull fastener to injection mould chamber assigned position, the process is realized more portably, realizes the process optimization.
As the embodiment of the utility model provides an optional embodiment, connection structure includes connecting plate 3, and connecting plate 3 sets up on fastener 2, and connecting plate 3 inserts stator skeleton 1 and inserts the back that targets in place from one side of stator skeleton 1, and connecting plate 3 is fixed on stator skeleton 1. Specific insertion cases may be as follows: referring to fig. 6-7, the stator frame 1 includes two semicircular frames 11, guide grooves 5 are formed on two opposite side surfaces of the two semicircular frames 11, the connecting plate 3 is inserted into the stator frame 1 along the guide grooves 5, in order to facilitate the connecting plate 3 to be inserted into the stator frame 1 along the guide grooves 5, a distance between bottoms of the two guide grooves 5 in a direction penetrating into the stator frame 1 tends to decrease, guide inclined surfaces are formed on two sides of a free end of the connecting plate 3, and the guide inclined surfaces are used for decreasing the length of the connecting plate 3 in the width direction. Because the plastic material that stator skeleton 1 used is softer, still has the allowable deformation range after the amalgamation, through the setting of 5 tank bottoms slopes of guide way and the inclined plane design of fastener 2 free end, can directly push fastener 2 into the stator skeleton 1 after the amalgamation, realize that fastener 2 fixes a position on stator skeleton 1.
As the embodiment of the utility model provides an optional embodiment, stator skeleton 1 and fastener 2 realize the joint through connection structure and are connected. The clamping connection mode is simple and easy to operate. The specific connection condition of the stator framework 1 and the wire clamp 2 can be as follows: the connecting structure comprises a connecting plate 3, the connecting plate 3 is arranged on the wire clamp 2, and the structure of the connecting plate 3 is illustrated with reference to fig. 3 and 4; stator skeleton 1 includes two semi-circular skeletons 11, and connecting plate 3 presss from both sides between two semi-circular skeletons 11 and connecting plate 3 joint is on stator skeleton 1. The specific matching of the connecting plate 3 and the stator frame 1 can be as follows: the connecting structure comprises clamping grooves 4, the two opposite side surfaces of the two semicircular frameworks 11 are provided with the clamping grooves 4, and the clamping grooves 4 on the semicircular frameworks 11 are shown in the figures 5-7; two opposite side surfaces of the connecting plate 3 are formed with buckling parts 31, and the two buckling parts 31 can be respectively positioned in the corresponding clamping grooves 4.
Referring to fig. 5, a schematic view of a partial structure of the semicircular frameworks 11 is shown, when the wire clamp 2 needs to be positioned on the stator framework 1, the connecting plate 3 can be placed between the two semicircular frameworks 11 when the two semicircular frameworks 11 are spliced, after the splicing is completed by the two semicircular frameworks 11, the clamping portions 31 on the connecting plate 3 are respectively positioned in the corresponding clamping grooves 4 on the stator framework 1, and the positioning of the connecting plate 3 on the stator framework 1 is realized.
A wire clamp, the wire clamp connection structure that 2 of fastener pass through is connected with stator skeleton 1, and connection structure's part structure sets up on 2 of fastener. Referring to fig. 3 and 4, a connecting plate 3 of the connecting structure is shown to be disposed on the wire clip 2, and the connecting plate 3 may be integrally formed with the wire clip 2.
As the embodiment of the utility model provides an optional embodiment, the inside of fastener 2 is provided with bubble holding tank 6, and bubble holding tank 6 is linked together with a line hole of crossing on fastener 2. Referring to fig. 3 and 4, the bubble accommodating groove 6 is illustrated. In the stator injection molding process, high pressure and high temperature are generated in the mold cavity, due to the fact that the power line skin is softened due to the relatively high temperature, a small part of gas in the residual mold cavity can be extruded and pushed out through the wire clamp 2 (through a wire passing hole in the wire clamp 2), a small part of the extruded part of the gas can be extruded into the softened power line skin, if two ends of the power line are not sealed, the gas extruded into the power line skin can be normally discharged, but the outside of one of the three power lines of the stator assembly is sealed (namely one end of the power line, which is led out of the stator assembly, is connected with the thermal protector, so that two ends of the power line are in a sealed environment), and the gas extruded into the power line skin cannot be discharged, and bubbles are formed; to avoid the problem of poor appearance caused by abnormal foaming generated on a closed power line; the utility model provides a set up bubble holding tank 6 on the fastener, bubble holding tank 6 and fastener 2 on cross the line hole and be linked together and both ends confined power cord pass this and cross the line hole, see fig. 3 and fig. 4, have indicated the position of bubble holding tank 6, through the mode that adopts the gas tank transition, the high-pressure gas circulation problem when effectively transiting and moulding plastics.
As the embodiment of the utility model provides an optional embodiment, offer the groove structure 7 that is used for alleviateing 2 weight of fastener on the side that fastener 2 is close to 1 one side of stator skeleton. Referring to fig. 3 and 4, the groove structure 7 is illustrated.
As the embodiment of the utility model provides an optional implementation mode, 2 formula structures as an organic whole of fastener or split type structure. The integrated structure can avoid secondary material taking, and the process of technological operation is optimized. The specific structure of the wire clamp 2 can be as follows: the wire clamp 2 comprises an upper wire clamp part 21 and a lower wire clamp part 22, the upper wire clamp part 21 is arranged above the lower wire clamp part 22 and is detachably connected with the lower wire clamp part 22, the upper wire clamp part 21 and the lower wire clamp part 22 can be connected through a buckle, and the connecting plate 3 is arranged on the lower wire clamp part 22; referring to fig. 4, it is illustrated that the upper and lower clamping portions 21 and 22 are two separate parts, so that the cable clamp 2 forms a split structure; referring to fig. 3, it is shown that the upper clip part 21 and the lower clip part 22 form a single unit, which can be connected by a connecting band in between, which enables the upper clip part 21 to rotate to a position where it is fastened to the lower clip part 22.
A wire clamp connecting structure through which a stator framework 1 passes is connected with a wire clamp 2, and a partial structure of the connecting structure is arranged on the stator framework 1. The clamping groove 4 and the guide groove 5 of the connecting structure are arranged on the stator framework. Referring to fig. 5, it is shown that the semicircular frame 11 is provided with a slot 4; referring to fig. 6 and 7, the semicircular frame 11 is schematically provided with the locking groove 4 and the guide groove 5.
A motor, include the utility model provides a fastener connection structure. The fastener 2 of motor can realize the location through fastener connection structure with stator skeleton 1 promptly and be connected, and when fastener 2 location was on stator skeleton 1, fastener 2 can be located the fastener department of placing on the injection mould for at the stator in-process of moulding plastics, need not the manual work and pull fastener to injection mould chamber assigned position, the process is realized more portably, realizes the optimization of process.
Example 1:
a wire clamp connecting structure is characterized in that a stator framework 1 and a wire clamp 2 are connected through the connecting structure, and when the wire clamp 2 is connected to the stator framework 1 through the connecting structure, the wire clamp 2 can be located at a wire clamp placing position on an injection mould;
connection structure includes connecting plate 3 and draw-in groove 4, and connecting plate 3 sets up on fastener 2, and stator skeleton 1 includes two semi-circular skeletons 11, is provided with draw-in groove 4 on two relative sides of two semi-circular skeletons 11, is formed with clamping part 31 on two relative sides on connecting plate 3, and two clamping part 31 can be located corresponding draw-in groove 4 respectively.
The process flow used for manufacturing the plastic package stator can be as follows: sleeving the iron core 9 on the semicircular framework 11, and winding an enameled wire (forming a winding 10) on the semicircular framework 11; before the two semicircular frameworks 11 are spliced, the wire clamp 2 is arranged between the two semicircular frameworks 11, and the wire clamp 2 is positioned on the stator framework 1 after splicing; connecting a power line 8 and carrying out performance detection; placing the stator assembly in a mold cavity of an injection mold; injection molding; and carrying out other subsequent processes.
Example 2:
a wire clamp connecting structure is different from embodiment 1 in that guide grooves 5 are formed on two opposite side surfaces of two semicircular frameworks 11, and a connecting plate 3 is inserted into a stator framework 1 along the guide grooves 5; the distance between the bottoms of the two guide grooves 5 in the direction penetrating into the stator framework 1 is reduced, guide inclined planes are formed on two sides of the free end of the connecting plate 3, and the guide inclined planes are used for reducing the length of the connecting plate 3 in the width direction.
The process flow used for manufacturing the plastic package stator can be as follows: sleeving the iron core 9 on the semicircular framework 11, and winding an enameled wire (forming a winding 10) on the semicircular framework 11; splicing the two semicircular stator frameworks 11 together; connecting a power line 8 and carrying out performance detection; inserting the wire clamp 2 into the stator framework 1 to realize the installation of the wire clamp 2 (because the plastic material used by the framework is soft, the allowable deformation range is still remained after splicing, the wire clamp can be installed after splicing by directly pushing in the plastic material); connecting a power line 8 and carrying out performance detection; placing the stator assembly in a mold cavity of an injection mold; injection molding; and carrying out other subsequent processes.
Example 3:
a wire clamp 2 is connected with a stator framework 1 through a wire clamp connecting structure in embodiment 1 or embodiment 2, and a connecting plate 3 of the connecting structure is arranged on the wire clamp 2.
Example 4:
the utility model provides a fastener, is different from embodiment 3, and the inside of fastener 2 is provided with bubble holding tank 6, and bubble holding tank 6 is linked together and the both ends confined power cord passes this line hole with one on fastener 2 crossing line hole 23.
Example 5:
a stator framework, stator framework 1 is connected with fastener 2 through fastener connection structure of embodiment 1 or embodiment 2, draw-in groove 4 and the guide way 5 of connection structure set up on stator framework 1.
Example 6:
an electric machine comprising the clip connecting structure of embodiment 1 or 2.
Example 7:
an electric machine comprising the wire clamp of embodiment 3 or embodiment 4.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a fastener connection structure, its characterized in that, connection structure connects stator skeleton (1) and fastener (2), and works as fastener (2) pass through connection structure connects when stator skeleton (1) is last, fastener (2) can be located the fastener place department on the injection mould.
2. The wire clamp connection structure according to claim 1, characterized in that the connection structure comprises a connection plate (3), the connection plate (3) is provided on the wire clamp (2), the connection plate (3) is fixed on the stator frame (1) after the connection plate (3) is inserted into the stator frame (1) from one side of the stator frame (1) and is inserted in place.
3. The clip connecting structure according to claim 2, wherein the stator frame (1) comprises two semicircular frames (11), guide grooves (5) are formed on two opposite sides of the two semicircular frames (11), and the connecting plate (3) is inserted into the stator frame (1) along the guide grooves (5).
4. The clamp connection according to claim 3, wherein the distance between the bottoms of the two guide grooves (5) in the direction going deep into the stator frame (1) tends to decrease;
guide inclined planes are formed on two sides of the free end of the connecting plate (3), and the guide inclined planes are used for reducing the length of the connecting plate (3) in the width direction.
5. The clamp connection according to any one of claims 1 to 4, wherein the stator frame (1) and the clamp (2) are connected by the connection in a snap-fit manner.
6. The wire clamp connection structure according to claim 5, characterized in that the connection structure comprises a clamping groove (4) and a buckling portion (31), the clamping groove (4) and the buckling portion (31) are respectively provided on the stator frame (1) and the wire clamp (2), and the buckling portion (31) can be located in the corresponding clamping groove (4).
7. A clamp, characterized in that the clamp (2) is connected to the stator frame (1) by means of a clamp connection according to any one of claims 1 to 6, part of the connection being provided on the clamp (2).
8. The clamp according to claim 7, characterized in that the clamp (2) is of one-piece or two-piece construction;
the wire clamp (2) comprises an upper wire clamp part (21) and a lower wire clamp part (22), the upper wire clamp part (21) is arranged above the lower wire clamp part (22) and is detachably connected with the lower wire clamp part (22), and part of the structure of the connecting structure is arranged on the lower wire clamp part (22);
go up line clamp portion (21) with lower line clamp portion (22) is two independent parts, perhaps, go up line clamp portion (21) with lower line clamp portion (22) forms a part.
9. A stator frame, characterized in that the stator frame (1) is connected to the clip (2) by means of a clip connection according to any one of claims 1 to 6, part of the connection being provided on the stator frame (1).
10. An electric machine comprising the wire clamp connection structure of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021613956.6U CN212969234U (en) | 2020-08-05 | 2020-08-05 | Wire clamp connecting structure, wire clamp, stator framework and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021613956.6U CN212969234U (en) | 2020-08-05 | 2020-08-05 | Wire clamp connecting structure, wire clamp, stator framework and motor |
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| Publication Number | Publication Date |
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| CN212969234U true CN212969234U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021613956.6U Active CN212969234U (en) | 2020-08-05 | 2020-08-05 | Wire clamp connecting structure, wire clamp, stator framework and motor |
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| CN (1) | CN212969234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746290A (en) * | 2021-08-26 | 2021-12-03 | 重庆凯邦电机有限公司 | Outgoing line sheath, stator and motor |
-
2020
- 2020-08-05 CN CN202021613956.6U patent/CN212969234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746290A (en) * | 2021-08-26 | 2021-12-03 | 重庆凯邦电机有限公司 | Outgoing line sheath, stator and motor |
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