A straight stator plastic packaging structure
By designing the injection-molded skeleton structure and positioning grooves and blocks, the problems of high labor costs and low efficiency in chain-type stator production were solved, achieving high-efficiency and low-cost stator production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 江苏世珂电机有限公司
- Filing Date
- 2025-07-29
- Publication Date
- 2026-07-10
AI Technical Summary
The existing chain-type stator production process is labor-intensive, inefficient, and costly, mainly because inserting the upper and lower frame into the stator core slots requires two steps and the insertion of insulating paper.
The injection-molded skeleton structure includes an integrally molded first baffle, second baffle, and connecting column. The skeleton is set by injection molding the stator core, eliminating the steps of skeleton insertion and insulation paper insertion. The baffle isolates the coil and stator core, and the positioning groove and positioning block accelerate production.
Reduce manual labor, improve production efficiency, lower costs, ensure the smooth bending process of stator core, and achieve one-step completion of skeleton setup and insulation isolation.
Smart Images
Figure CN224481540U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a linear stator frame, and more particularly to a linear stator plastic-coated structure. Background Technology
[0002] Existing chain-type stators use upper and lower frames inserted into stator core slots, just as... Figure 1 As shown, after the upper and lower frames are inserted, insulating paper still needs to be inserted into the stator core slots. These two processes require a lot of manpower and have low production efficiency, resulting in a lot of cost. Utility Model Content
[0003] This utility model provides a linear stator plastic-coated structure, which solves the technical problems of high labor costs, low production efficiency, and high costs, and provides the following technical solution:
[0004] A linear stator plastic-coated structure includes a skeleton disposed on a stator core, wherein the stator core is arranged in a linear manner, the stator core includes a plurality of stator yokes arranged sequentially, each pair of adjacent stator yokes is connected by a connecting part, and each stator yoke has a winding part disposed on its side wall surface. The skeleton is characterized in that it is an injection-molded skeleton.
[0005] Each of the aforementioned frames includes an integrally formed first baffle, a second baffle, and a connecting post. The two ends of the connecting post are connected to one end of the first baffle and one end of the second baffle, respectively. The other end of each first baffle is engaged with the corresponding stator yoke. The height of each first baffle is 49-50 mm, and the width of the frontal projection surface of each first baffle projected along the length direction of the linear stator core is 22-23 mm. Each connecting post is hollow and sleeved on the corresponding winding portion. The height of each connecting post is 28-29 mm, and the width of each connecting post is 7-8 mm. The other end of each second baffle is engaged with the corresponding winding portion. The height of each second baffle is 42-43 mm, and the width of the frontal projection surface of each second baffle projected along the length direction of the linear stator core is 16-17 mm.
[0006] By adopting the above technical solution and setting the injection-molded skeleton, the skeleton can be set by injection molding the stator core during stator production. The mechanical production can be completed in one step, which can save the time required to manually insert the upper and lower skeletons one by one. It can also eliminate the step of inserting the insulating paper after inserting the skeleton, thereby reducing the production steps, reducing labor input, speeding up production efficiency and reducing costs.
[0007] By making both the first and second baffles higher than the connecting post, the coil will wrap around the outer periphery of the connecting post multiple times. The first and second baffles can effectively isolate the coil from the stator core, avoiding the time and cost investment caused by inserting additional insulating paper, thereby speeding up production efficiency and reducing costs.
[0008] Furthermore, each of the winding sections includes a winding post and a wire-blocking part. One end of each winding post is disposed on the inner wall surface of the corresponding stator yoke, and the wire-blocking part is disposed at the other end of the corresponding winding post. The width direction of each wire-blocking part is consistent with the length direction of the straight-chain stator core, and the width value of each wire-blocking part is less than the length value of the stator yoke.
[0009] Furthermore, each of the first baffles has a first notch at the end away from the corresponding second baffle, and each first notch extends through the width direction of the corresponding first baffle, with the height of each first notch being 26-27mm.
[0010] Each of the connecting posts is provided with a through hole that passes through the corresponding connecting post, so that each connecting post is hollow and sleeved on the corresponding winding post. The inner wall surface of each through hole is consistent with the shape of the corresponding winding post. The width of each through hole is 7-8mm and the height of each through hole is 26-27mm.
[0011] Each of the second baffles is provided with a second notch that is the same shape as the baffle part, and each second notch penetrates the corresponding second baffle. The height of each second notch is the same as the height of the corresponding first notch, and the farthest distance in the width direction of each second notch is 16-17mm.
[0012] Furthermore, a plurality of winding grooves are provided on the upper side of the first baffle away from the second baffle. The plurality of winding grooves include a first winding groove, a second winding groove, and a third winding groove arranged sequentially from top to bottom. The groove depth of the first winding groove, the second winding groove, and the third winding groove is 2-2.5mm, and the groove width of the first winding groove, the second winding groove, and the third winding groove is 1-2.5mm. The groove width of the second winding groove and the third winding groove are the same, and the groove width of each first winding groove is greater than the groove width of the corresponding second winding groove.
[0013] Furthermore, each of the first baffles has a third notch at its upper part, and each of the first baffles corresponding to the third notch has a limiting protrusion. The height of each limiting protrusion is 1-2mm, and the width of each limiting protrusion is 2-3mm.
[0014] Furthermore, a fourth notch is provided at both ends along the length direction of each stator yoke, and after the stator core is rolled into a circle, the sidewalls of two adjacent stator yokes are in an abutting position.
[0015] By adopting the above technical solution and setting the fourth notch, when bending the straight stator core into a circular stator core, the distance between adjacent stator yokes will gradually decrease during the process. The fourth notch can prevent adjacent stator yokes from squeezing each other during the bending process, thereby ensuring the smooth production of the stator core and accelerating production efficiency.
[0016] Furthermore, positioning grooves and positioning blocks are respectively provided on the sidewalls of the two stator yokes that are furthest apart in the stator core, and the positioning grooves and positioning blocks are compatible with each other. The positioning grooves and positioning blocks are both arranged along the height direction of the stator yoke, and the height value of each positioning groove and positioning block is consistent with the height value of the stator yoke.
[0017] By adopting the above technical solution, the positioning groove and positioning block can be used to position and limit the stator core when bending the chain-type stator core, thereby accelerating production efficiency.
[0018] In summary, this application has the following beneficial effects:
[0019] 1. By setting up the injection-molded skeleton, the skeleton can be set up by injection molding the stator core during stator production. The mechanical production can be completed in one step, which can save the time required to manually insert the upper and lower skeletons one by one. It can also eliminate the step of inserting the insulating paper after inserting the skeleton, thereby reducing production steps, reducing labor input, speeding up production efficiency and reducing costs.
[0020] By making both the first and second baffles higher than the connecting post, the coil will be wound around the outer periphery of the connecting post multiple times. The first and second baffles can effectively isolate the coil and the stator core, avoiding the time and cost investment caused by inserting additional insulating paper, thereby speeding up production efficiency and reducing costs.
[0021] 2. By setting the fourth notch, when bending the straight stator core into a circular stator core, the distance between adjacent stator yokes will gradually decrease during the process. The fourth notch can prevent adjacent stator yokes from squeezing each other during the bending process, thereby ensuring the smooth production of the stator core and thus accelerating production efficiency.
[0022] 3. By setting up positioning slots and positioning blocks, the positioning slots and positioning blocks can be engaged to position and limit the stator core when bending the chain-type stator core, thereby accelerating production efficiency. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the stator core structure in the prior art;
[0024] Figure 2 This is a schematic diagram of a linear stator plastic-coated structure;
[0025] Figure 3 This is a schematic diagram of the skeleton structure in a linear stator plastic-coated structure;
[0026] Figure 4 This is a top view of the stator core in a linear stator plastic-coated structure.
[0027] Figure 5 for Figure 4 A magnified view of part number A in the middle;
[0028] Figure 6 for Figure 4 A magnified view of part number B in the middle;
[0029] Figure 7 for Figure 4 A magnified view of part number C in the middle;
[0030] Figure 8 This is a front view of the first baffle in a linear stator plastic-coated structure;
[0031] Figure 9 This is a cross-sectional view of the skeleton in a linear stator plastic-coated structure.
[0032] Figure 10 This is a front view of the second baffle in a linear stator plastic-coated structure;
[0033] In the diagram: 1. Stator yoke; 2. Connecting part; 3. Winding part; 4. Frame; 401. First baffle; 402. Second baffle; 403. Connecting post; 5. First notch; 6. Second notch; 7. First winding groove; 8. Second winding groove; 9. Third winding groove; 10. Third notch; 11. Limiting protrusion; 12. Fourth notch; 13. Positioning groove; 14. Positioning block. Detailed Implementation
[0034] The present application will be further described in detail below with reference to the accompanying drawings.
[0035] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0036] In a specific embodiment, reference is made to... Figure 2-10A linear stator plastic coating structure, comprising a skeleton 4 disposed on a stator core, wherein the stator core is arranged in a linear manner, the stator core includes a plurality of stator yokes 1 arranged sequentially, each pair of adjacent stator yokes 1 being connected by a connecting part 2, and each stator yoke 1 having a winding part 3 disposed on its side wall surface, and the skeleton 4 being an injection-molded skeleton;
[0037] Each frame 4 includes an integrally formed first baffle 401, a second baffle 402, and a connecting post 403. Both ends of the connecting post 403 are connected to one end of the first baffle 401 and one end of the second baffle 402, respectively. The other end of each first baffle 401 is snapped onto the corresponding stator yoke 1. The height of each first baffle 401 is 49-50 mm, and the width of the front projection surface of each first baffle 401 projected from the first baffle 401 into the longitudinal extension surface of the linear stator core is 22-23 mm. In this specific embodiment, as... Figure 8 As shown, the height of each first baffle 401 is 49.3 mm, and the width of each first baffle 401 is 22.62 mm;
[0038] Each connecting post 403 is hollow and is fitted onto the corresponding winding part 3. The height of each connecting post 403 is 28-29 mm, and the width of each connecting post 403 is 7-8 mm. In this specific embodiment, as shown... Figure 9 As shown, the height of each connecting post 403 is 28mm, and the width of each connecting post 403 is 7.77mm;
[0039] The other end of each second baffle 402 is snapped onto the corresponding winding part 3. The height of each second baffle 402 is 42-43mm, and the width of the front projection surface of each second baffle 402 projected from the second baffle 402 onto the longitudinal extension surface of the linear stator core is 16-17mm. In this specific embodiment, as shown... Figure 10 As shown, the other end of each second baffle 402 is snapped onto the corresponding winding part 3. The height of each second baffle 402 is 42mm and the width of each second baffle 402 is 16.22mm.
[0040] When producing the stator, the frame 4 can be set by injection molding the stator core and the mechanical production can be completed in one step. This can save the time required to manually insert the upper frame 4 and the lower frame 4 in sequence, and can also eliminate the step of inserting the insulating paper after inserting the frame 4. This reduces the number of production steps, thereby reducing labor input, speeding up production efficiency and reducing costs.
[0041] A fourth notch 12 is provided at both ends along the length of each stator yoke 1. After the stator core is rolled into a circle, the side walls of two adjacent stator yokes 1 are in an abutting position. When the chain-type stator core is bent into a circular stator core, the distance between adjacent stator yokes 1 will gradually decrease during this process. The fourth notch 12 can prevent adjacent stator yokes 1 from squeezing each other during the bending process, thereby ensuring the smooth production of the stator core and thus accelerating production efficiency.
[0042] Positioning grooves 13 and positioning blocks 14 are respectively provided on the side walls of the two stator yokes 1 furthest apart in the stator core. The positioning grooves 13 and positioning blocks 14 are compatible with each other. The positioning grooves 13 and positioning blocks 14 are both arranged along the height direction of the stator yoke 1, and the height value of each positioning groove 13 and positioning block 14 is consistent with the height value of the stator yoke 1. When the chain-type stator core is bent, the engagement of the positioning grooves 6 and positioning blocks 7 can position and limit the stator core, thereby speeding up production efficiency.
[0043] Each winding section 3 includes a winding post 301 and a wire-blocking section 302. One end of each winding post 301 is disposed on the inner wall surface of the corresponding stator yoke 1, and the wire-blocking section 302 is disposed at the other end of the corresponding winding post 301. The width direction of the front projection surface of each wire-blocking section 302 projected from the wire-blocking section 302 to the winding post 301 is consistent with the length direction of the straight-chain stator core, and the width value of each wire-blocking section 302 is less than the length value of the stator yoke 1.
[0044] Each first baffle 401 has a first notch 5 at the end furthest from the corresponding second baffle 402, and each first notch 5 extends through the width of the corresponding first baffle 401, with a height of 26-27 mm; in this specific embodiment, as Figure 8 As shown, the height of each first notch 5 is 27mm;
[0045] Each connecting post 403 has a through hole penetrating it, so that each connecting post 403 is hollow and fits onto the corresponding winding post. The inner wall of each through hole is consistent with the shape of the corresponding winding post. The width of each through hole is 7-8 mm, and the height of each through hole is 26-27 mm. In this specific embodiment, as shown... Figure 8 As shown, the width of each through hole is 7.5mm and the height of each through hole is 27mm.
[0046] Each second baffle 402 is provided with a second notch 6 that has the same shape as the baffle portion 302, and each second notch 6 penetrates the corresponding second baffle 402. The height of each second notch 6 is the same as the height of the corresponding first notch 5, and the farthest distance in the width direction of each second notch 6 is 16-17mm; in this specific embodiment, as Figure 8 As shown, the farthest distance in the width direction of each second notch 6 is 14.19 mm, and the height of each second notch 6 is 27 mm;
[0047] Each first baffle 401 has a third notch 10 on its upper part, and each first baffle 401 corresponding to the third notch 10 has a limiting protrusion 11. The height of each limiting protrusion 11 is 2-3mm, and the width of each limiting protrusion 11 is 1-2mm; in this specific embodiment, as Figure 8 As shown, the height of each limiting protrusion 11 is 1mm and the width of each limiting protrusion 11 is 2mm.
[0048] Multiple winding grooves are provided on the upper side of the first baffle 401 away from the second baffle 402. These multiple winding grooves include a first winding groove 7, a second winding groove 8, and a third winding groove 9 arranged sequentially from top to bottom. The groove depths of the first winding groove 7, second winding groove 8, and third winding groove 9 are all 2-2.5 mm, and the groove widths of the first winding groove 7, second winding groove 8, and third winding groove 9 are all 1-2.5 mm. The groove widths of the second winding groove 8 and third winding groove 9 are the same, and the groove width of each first winding groove 7 is greater than the groove width of the corresponding second winding groove 8. In this specific embodiment, as... Figure 8 As shown, the width of each first winding slot 7 is 1.4 mm, and the width of each second winding slot 8 and third winding slot 9 is 1.2 mm; Figure 9 As shown, the depth of the first winding groove 7, the second winding groove 8, and the third winding groove 9 is 2.1 mm.
[0049] Working principle: After the straight-chain stator core is produced, each winding group is coated with a skeleton 4 using injection molding. After the skeleton 4 is completed, when the straight-chain stator core needs to be bent into a circle, stator slots will be formed between adjacent stator yokes 1 and stator yokes 1 in the bent stator core. At this time, there is an injection-molded skeleton 4 on the side wall surface corresponding to each stator slot, thus eliminating the need to insert insulating paper.
[0050] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0051] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are exemplary and not intended to limit the scope of protection of the present invention. Those skilled in the art can make various modifications and variations to the present invention based on its spirit and principles, and these modifications and variations are also within the scope of the present invention.
Claims
1. A linear stator plastic-coated structure, comprising a frame (4) disposed on a stator core, wherein the stator core is arranged in a linear fashion, the stator core comprising a plurality of stator yokes (1) arranged sequentially, each pair of adjacent stator yokes (1) being connected by a connecting part (2), and each stator yoke (1) having a winding part (3) disposed on its sidewall surface, characterized in that, The skeleton (4) is an injection-molded skeleton (4); Each of the aforementioned skeletons (4) includes an integrally formed first baffle (401), a second baffle (402), and a connecting post (403). The two ends of the connecting post (403) are respectively connected to one end of the first baffle (401) and one end of the second baffle (402). The other end of each first baffle (401) is snapped onto the corresponding stator yoke (1). The height of each first baffle (401) is 49-50 mm, and the width of the front projection surface of each first baffle (401) projected from the first baffle (401) onto the longitudinal extension surface of the linear stator core is 22-23 mm. The connecting posts (403) are all hollow, and each connecting post (403) is sleeved on the corresponding winding part (3). The height of each connecting post (403) is 28-29mm, and the width of each connecting post (403) is 7-8mm. The other end of each second baffle (402) is snapped onto the corresponding winding part (3). The height of each second baffle (402) is 42-43mm, and the width of the front projection surface projected from the second baffle (402) onto the longitudinal extension surface of the straight chain stator core is 16-17mm.
2. The linear stator plastic-coated structure according to claim 1, characterized in that, Each of the winding sections (3) includes a winding post (301) and a wire-blocking section (302). One end of each winding post (301) is disposed on the inner wall surface of the corresponding stator yoke (1), and the wire-blocking section (302) is disposed at the other end of the corresponding winding post (301). The width direction of each wire-blocking section (302) is consistent with the length direction of the straight-chain stator core, and the width value of each wire-blocking section (302) is less than the length value of the stator yoke (1).
3. The linear stator plastic-coated structure according to claim 2, characterized in that, Each of the first baffles (401) has a first notch (5) at the end away from the corresponding second baffle (402), and each first notch (5) penetrates the width direction of the corresponding first baffle (401), and the height of each first notch (5) is 26-27mm; Each of the connecting posts (403) is provided with a through hole that penetrates the corresponding connecting post (403), so that each connecting post (403) is hollow and sleeved on the corresponding winding post. The inner wall surface of each through hole is consistent with the shape of the corresponding winding post. The width of each through hole is 7-8mm and the height of each through hole is 26-27mm. Each of the second baffles (402) is provided with a second notch (6) that is the same shape as the baffle part (302), and each second notch (6) penetrates the corresponding second baffle (402). The height of each second notch (6) is the same as the height of the corresponding first notch (5). The distance between the two second notches (6) in the width direction is 16-17mm.
4. The linear stator plastic-coated structure according to claim 1, characterized in that, The upper part of the first baffle (401) is provided with a plurality of winding grooves on the side facade away from the second baffle (402). The plurality of winding grooves include a first winding groove (7), a second winding groove (8) and a third winding groove (9) arranged sequentially from top to bottom. The groove depth of the first winding groove (7), the second winding groove (8) and the third winding groove (9) is 2-2.5mm. The groove width of the first winding groove (7), the second winding groove (8) and the third winding groove (9) is 1-2.5mm. The groove width of the second winding groove (8) and the third winding groove (9) is the same, and the groove width of each first winding groove (7) is greater than the groove width of the corresponding second winding groove (8).
5. A linear stator plastic-coated structure according to claim 1, characterized in that, Each of the first baffles (401) has a third notch (10) on its upper part. Each of the first baffles (401) corresponding to the third notch (10) has a limiting protrusion (11). The height of each limiting protrusion (11) is 1-2 mm and the width of each limiting protrusion (11) is 2-3 mm.
6. The linear stator plastic-coated structure according to claim 1, characterized in that, A fourth notch (12) is provided at both ends along the length direction of each stator yoke (1). After the stator core is rolled into a circle, the sidewalls of two adjacent stator yokes (1) are in an abutting position.
7. A linear stator plastic-coated structure according to claim 1, characterized in that, Positioning grooves (13) and positioning blocks (14) are respectively provided on the side walls of the two stator yokes (1) that are furthest apart in the stator core. The positioning grooves (13) and positioning blocks (14) are adapted to each other. The positioning grooves (13) and positioning blocks (14) are both arranged along the height direction of the stator yokes (1), and the height value of each positioning groove (13) and positioning block (14) is consistent with the height value of the stator yokes (1).