Finished enameled wire coil
By setting the slot and pressing plate structure on the baffle of the finished wire coil of the enameled wire, the detachable replacement of the wool tow and the protection of the baffle is achieved, which solves the problem of short service life of the barrel and improves the service life and maintenance frequency.
Patent Information
- Application Number
- CN202422130636.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The barrel of the existing enameled wire finished wire roll has a low service life, mainly because the wool tow cannot be restored after multiple rolling and bents, which leads to the overall unusable, and the wool tow is closely adhered to the barrel and cannot be replaced separately.
The zipper groove and pressing plate structure are provided on the baffle. The wool tow is fixed by the projection on the pressing plate. The pressing plate is connected by nuts and screws, so that the wool tow can be detached and replaced. A flange protection baffle is provided on the pressing plate to prevent deformation.
It extends the service life of the barrel and reduces the maintenance frequency. The wool tow can be replaced and restored to use, improving the reliability and durability of the barrel.
Smart Images
Figure CN223133789U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a finished enameled wire coil. Background Art
[0002] The structure of a finished enameled wire coil (hereinafter referred to as a coil) includes a bobbin and enameled wire. Circular baffles are provided at both the upper and lower ends of the bobbin. A wire groove is formed between the two baffles, and the enameled wire is wound in the wire groove.
[0003] As Figure 5 and Figure 6 shown, when the coil is in use, it is in a vertical state, that is, the axis is perpendicular to the ground, and the enameled wire is drawn out from the upper part of the bobbin. When used for winding a motor winding, when the enameled wire is drawn out, it will automatically rotate around the bobbin and come off. To prevent the enameled wire from cutting the upper baffle of the bobbin and facilitate the recycling of the bobbin, a bundle of filaments with good elasticity and wear resistance is provided around the outer edge of the upper baffle (the bundle of filaments is composed of several filaments, and the filament material can be made of nylon). The bundle of filaments extends out of the wire groove and vertically passes through the axis of the bobbin. When the enameled wire is drawn off, the bundle of filaments will bend accordingly under the action of the enameled wire, allowing the enameled wire to pass through smoothly, and at the same time creating a gap between the enameled wire and the upper baffle, thus preventing the bobbin from being cut. The bundle of filaments also plays an important role in preventing the enameled wire from being cut and stuck in the baffle and being broken.
[0004] In the practical process, it is found that due to the high density of copper, the overall weight of the coil is relatively large, usually dozens of kilograms. Some workers, seeking to save effort, will lay the coil flat to make the axis of the coil parallel to the ground. The coil touches the ground through the circular baffle and is easy to roll, which is convenient for movement. However, during the rolling process, as Figure 7 shown, after being pressed and bent several times, the bundle of filaments undergoes permanent bending deformation, unable to maintain a sufficient distance between the enameled wire and the baffle, resulting in the unusability of the bobbin. Moreover, the bundle of filaments is connected to the bobbin as an insert during the injection molding of the bobbin, and the bundle of filaments is tightly adhered to the molding plastic of the bobbin and cannot be replaced separately. Only the entire bobbin can be discarded, resulting in a low service life of the bobbin.
[0005] Therefore, the existing finished enameled wire coil has the defect of a low service life of the bobbin. Content of the Utility Model
[0006] The purpose of the utility model is to provide a finished enameled wire coil. The utility model has the advantages of a long service life and a low maintenance frequency.
[0007] Technical solution of the utility model: A finished enameled wire coil, comprising a bobbin and enameled wire. Circular baffles are provided at both the upper and lower ends of the bobbin. A wire groove is formed between the two baffles, and the enameled wire is wound in the wire groove. It is characterized in that: a plurality of wire grooves are provided on the end surface of the baffle. The outer ends of the wire grooves penetrate through the outer wall of the baffle, and the inner ends of the wire grooves point to the axis of the bobbin. A hair bundle is provided in the wire groove, and the outer end of the hair bundle horizontally extends out of the baffle.
[0008] An annular clamping groove is provided on the end surface of the baffle, and the clamping groove penetrates through all the wire grooves on the baffle.
[0009] An annular pressing plate is provided on one side of the baffle. The pressing plate is detachably connected to the bobbin. Protrusions matching the clamping groove are provided on the pressing plate, and a part of the hair bundle is pressed into the clamping groove by the protrusions to fix the hair bundle.
[0010] In the aforementioned finished enameled wire coil, a plurality of nuts are embedded in the baffle, and screws for connecting the nuts are provided on the pressing plate.
[0011] In the aforementioned finished enameled wire coil, the inner end of the wire groove is located inside the pressing plate, and the inner end of the hair bundle extends inwards and exceeds the inner wall of the pressing plate.
[0012] In the aforementioned finished enameled wire coil, the cross-section of the wire groove is V-shaped.
[0013] In the aforementioned finished enameled wire coil, a chamfer is provided at the inner end of the baffle.
[0014] In the aforementioned finished enameled wire coil, the pressing plate is made of stainless steel. A flanging is provided at the outer edge of the pressing plate, and the flanging covers the side wall of the corresponding baffle. A plurality of L-shaped notches are provided between the pressing plate and the flanging, and the corresponding hair bundles pass through the notches.
[0015] Compared with the prior art, on the basis of the existing coil, the following improvements are mainly made in the utility model.
[0016] 1), The hair bundle is pressed tightly on the bobbin through the pressing plate. When the hair bundle is bent and deformed, the pressing plate is removed, and a new hair bundle can be replaced, so that the bobbin resumes usability and the service life of the bobbin is increased.
[0017] 2), By providing a clamping groove on the bobbin and protrusions matching the clamping groove on the pressing plate, the hair bundle is fixed more firmly on the bobbin, avoiding being carried out by the enameled wire moving at high speed and coming off, and reducing the maintenance frequency.
[0018] 3), By embedding nuts in the bobbin and using screws to connect the nuts to fix the pressing plate to the bobbin, compared with using self-tapping screws to connect the pressing plate to the bobbin, the fixing strength of the pressing plate is greater, and the screws are not prone to slipping teeth during repeated disassembly and assembly, which also improves the service life of the bobbin.
[0019] 4) A flanging that wraps the baffle is provided on the pressing plate to protect the baffles at both ends of the barrel. When the wire coil rolls on the ground, the baffles are not easily deformed, especially not easily deformed due to bumps at uneven ground, improving the service life of the barrel.
[0020] In summary, the utility model has the advantages of long service life and low maintenance frequency. Description of the Drawings
[0021] Figure 1 is the front view schematic diagram of the utility model.
[0022] Figure 2 is Figure 1 the enlarged view at A.
[0023] Figure 3 is the top view of the utility model.
[0024] Figure 4 is the top view of the barrel.
[0025] Figure 5 is the front view schematic diagram of the existing wire coil unwinding the enameled wire in the use state.
[0026] Figure 6 is the top view schematic diagram of the existing wire coil unwinding the enameled wire in the use state.
[0027] Figure 7 is the top view schematic diagram of the existing wire coil after rolling on the ground multiple times.
[0028] The reference signs in the drawings are: 1 - barrel, 2 - enameled wire, 3 - baffle, 4 - wire groove, 5 - wire slot, 6 - hair wire bundle, 7 - card slot, 8 - pressing plate, 9 - protrusion, 10 - nut, 11 - screw, 12 - chamfer, 13 - flanging, 14 - notch. Detailed Embodiment
[0029] The following further illustrates the utility model in conjunction with the drawings and embodiments, but it shall not be used as the basis for limiting the utility model.
[0030] Embodiment. A finished enameled wire coil, as Figure 1 shown, includes a barrel 1 and enameled wire 2. Circular baffles 3 are provided at both the upper and lower ends of the barrel 1. A wire groove 4 is formed between the two baffles 3. The enameled wire 2 is wound in the wire groove 4. The features are as follows,
[0031] On the end faces of both baffles 3, there are 24 wire grooves 5 evenly distributed circumferentially. The cross-section of the wire groove 5 is V-shaped. The outer end of the wire groove 5 passes through the outer wall of the baffle 3, and the inner end of the wire groove 5 points to the axis of the barrel 1. There is a wire bundle 6 in the wire groove 5, and the outer end of the wire bundle 6 horizontally extends out of the baffle 3 by about 2 cm. The wire bundle is composed of 3 - 10 nylon wires with a diameter of about 0.5 mm arranged side by side.
[0032] On the end face of the baffle 3, there is an annular clamping groove 7, and the clamping groove 7 passes through all the wire grooves 5 on the corresponding baffle 3.
[0033] On one side of the baffle 3, there is an annular pressing plate 8. The pressing plate 8 is made of stainless steel. There is an annular protrusion 9 on the pressing plate 8 that cooperates with the clamping groove 7. The protrusion 9 presses a part of the wire bundle 6 into the clamping groove 7 to fix the wire bundle 6.
[0034] The baffle 3 is embedded with multiple copper nuts 10 dedicated for injection molding. There are screws 11 connecting the nuts 10 on the pressing plate 8, and the screws 11 are countersunk head type. The nuts 10 are placed as inserts in the injection mold when the barrel 1 is injection molded and are combined with the barrel 1.
[0035] The inner end of the wire groove 5 is located inside the pressing plate 8, so that the inner end of the wire bundle 6 can extend inwards and exceed the inner wall of the pressing plate 8. The wire bundle 6 exceeds the inner wall of the pressing plate 8 by about 1 cm.
[0036] The inner end of the baffle 3 is provided with a chamfer 12 to facilitate the winding and unwinding of the enameled wire on the barrel 1.
[0037] There is a flanging 13 at the outer edge of the pressing plate 8. The flanging 13 covers the side wall of the corresponding baffle 3. There are multiple L-shaped notches 14 between the pressing plate 8 and the flanging 13, and the corresponding wire bundles 6 pass through the notches 14.
[0038] Usage method: When the wire coil rolls on the ground and the wire bundle 6 is permanently bent and deformed, loosen the screw 11, pull the wire bundle 6 inwards so that the bent position of the wire bundle 6 enters the wire groove 5, and through the wire groove 5, the wire bundle 6 is restored to a straight state, then tighten the screw 11, and the recycled barrel 1 can still be used. When the exposed part of the wire bundle 6, that is, the length exceeding the outer wall of the baffle 3, is less than 1.5 cm, it is recommended to replace the wire bundle 6. Just cut several sections of nylon wire and reinstall them into the wire groove 5, and the replacement is also very convenient.
[0039] Both the upper and lower ends of the wire coil have wire bundles 6. In the use state, workers do not need to distinguish the orientation of the upper and lower ends when placing the wire coil, which is more convenient.
[0040] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
Claims
1. A finished enameled wire coil, comprising a bobbin (1) and an enameled wire (2). Circular baffles (3) are provided at both the upper and lower ends of the bobbin (1). A wire groove (4) is formed between the two baffles (3). The enameled wire (2) is wound in the wire groove (4), and it is characterized in that: Multiple wire grooves (5) are provided on the end face of the baffle plate (3). The outer ends of the wire grooves (5) pass through the outer wall of the baffle plate (3), the inner ends of the wire grooves (5) point to the axis of the barrel (1), and wire bundles (6) are arranged in the wire grooves (5). The outer ends of the wire bundles (6) horizontally extend out of the baffle plate (3); An annular clamping groove (7) is provided on the end face of the baffle plate (3), and the clamping groove (7) passes through all the wire grooves (5) on the baffle plate (3); An annular pressing plate (8) is provided on one side of the baffle plate (3). The pressing plate (8) is detachably connected to the barrel (1). A protrusion (9) matching the clamping groove (7) is provided on the pressing plate (8), and a part of the wire bundle (6) is pressed into the clamping groove (7) by the protrusion (9) to fix the wire bundle (6).
2. The finished enameled wire coil according to claim 1, characterized in that: A plurality of nuts (10) are embedded on the baffle plate (3), and screws (11) connecting the nuts (10) are provided on the pressing plate (8).
3. The enameled wire finished coil according to claim 1, characterized in that: The inner ends of the wire grooves (5) are located inside the pressing plate (8), and the inner ends of the wire bundles (6) extend inwards and exceed the inner wall of the pressing plate (8).
4. The enameled wire finished coil according to claim 1, characterized in that: The cross section of the wire groove (5) is V-shaped.
5. The finished enameled wire coil according to claim 1, wherein: A chamfer (12) is provided at the inner end of the baffle plate (3).
6. The enameled wire finished wire coil according to claim 5, characterized in that: The pressing plate (8) is made of stainless steel. A flanging (13) is provided at the outer edge of the pressing plate (8). The flanging (13) covers the side wall of the corresponding baffle plate (3). A plurality of L-shaped notches (14) are provided between the pressing plate (8) and the flanging (13), and the corresponding wire bundles (6) pass through the notches (14).