Combined coil rack

Abstract

The utility model relates to a combined coil rack, and belongs to the field of magnetic field generation. The coil rack comprises the winding tube, the fixed wire blocking plate, the movable wire blocking plate and the sheath, the distance, the size or the number of the fixed wire blocking plate and the movable wire blocking plate can be adjusted, use of more models or specifications can be met, and the coil rack is more flexible, saves time and materials and is completely different from an existing coil rack machined through a whole material.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of magnetic field generation, especially relates to a combined coil holder. BACKGROUND

[0002] In the field of scientific research or production, especially in the field of magnetic field generation, various specifications or models of coil holders are often used. In the preparation of coil holders, the whole material processing method is adopted, that is, annular grooves are processed on cylindrical bars, and fixed wire retaining plates are formed at both ends to fix the winding.

[0003] However, as the specifications of the coil holders gradually increase, the models also gradually increase. The coil holders obtained by the whole material processing method cannot adjust the distance between the wire retaining plates, so one specification can only meet the use of one model, which not only wastes labor and materials, but also increases the cost. UTILITY MODEL CONTENTS

[0004] In view of the above analysis, the utility model aims to provide a combined coil holder to solve the problems of the existing whole material processing coil holder, such as waste of labor and materials, difficulty in processing, and inability to adjust.

[0005] On the one hand, the utility model provides a combined coil holder, which comprises a bobbin, a fixed wire retaining plate, a movable wire retaining plate, and a sheath.

[0006] The bobbin is a hollow cylinder, the fixed wire retaining plate and the movable wire retaining plate are both disc-shaped, and a through hole is formed at the center of the fixed wire retaining plate and the movable wire retaining plate, and the diameter of the through hole is equal to the outer diameter of the bobbin.

[0007] The fixed wire retaining plate and the movable wire retaining plate are respectively sleeved on the bobbin, the connection mode between the fixed wire retaining plate and the bobbin is fixed connection, the connection mode between the movable wire retaining plate and the bobbin is sliding connection, and the distance between the fixed wire retaining plate and the movable wire retaining plate is adjustable.

[0008] The sheath is a hollow cylinder, which is sleeved on the outer circumferential surface of the fixed wire retaining plate and the movable wire retaining plate, and one end of the sheath is connected to the fixed wire retaining plate.

[0009] Further, the fixed wire retaining plate and the movable wire retaining plate are of a split structure.

[0010] Further, the fixed wire retaining plate and the movable wire retaining plate are both composed of two or more than two petals, and the petals are bolted to each other.

[0011] Further, the number of the movable wire retaining plates is two or more than two.

[0012] Further, a plurality of embedding grooves are formed on the bobbin, and the embedding grooves are uniformly distributed along the length direction of the bobbin; the fixed wire blocking plate and the movable wire blocking plate are provided with protrusions, and the protrusions correspond to the embedding grooves one by one.

[0013] Further, the cross section of the protrusion and the embedding groove is circular or polygonal.

[0014] Further, the connection mode of the sheath and the fixed wire blocking plate is screw connection.

[0015] Further, the two ends of the bobbin are respectively screw-connected with covers.

[0016] Further, the cover is provided with a dismounting blind hole facilitating clamping by a wrench.

[0017] Further, a hidden socket is formed on the fixed wire blocking plate and the movable wire blocking plate, and the number of the hidden socket is two and the hidden sockets are symmetrically arranged.

[0018] Compared with the prior art, the utility model at least can realize following beneficial effects one of:

[0019] 1. The utility model provides a combined coil holder, including bobbin, fixed wire blocking plate, movable wire blocking plate and sheath, can adjust the distance, size or quantity of fixed wire blocking plate and movable wire blocking plate, can satisfy more model or specification use, more flexible, save time, save material, completely different from the coil holder of existing whole material processing,

[0020] 2. A plurality of embedding grooves are formed on the bobbin in the utility model, and the fixed wire blocking plate and the movable wire blocking plate are split type structures, are formed by two or more petal bodies, and the petal body is provided with protrusions matched with the embedding grooves, on one hand, the fixed wire blocking plate and the movable wire blocking plate can be more flexibly assembled according to the demand of different models, on the other hand, the fixed wire blocking plate and the movable wire blocking plate can be fixed on the bobbin to prevent rotating or moving.

[0021] In the utility model, the above-mentioned technical schemes can be combined with each other to realize more preferred combination schemes. Other features and advantages of the utility model will be described in the subsequent specification, and some advantages can become apparent from the specification or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the contents specially pointed out in the specification and the drawings. DRAWINGS

[0022] The drawings are only for the purpose of showing specific embodiments and are not considered as limiting the utility model, and the same reference signs indicate the same parts throughout the drawings.

[0023] Figure 1 is a disassembled schematic view of the modular combined coil former;

[0024] Figure 2 is a modular combined coil former composed of a plurality of movable wire blocking plates;

[0025] Figure 3 is a whole view of the utility model;

[0026] Reference signs:

[0027] 1, winding tube; 2, fixed wire blocking plate; 3, movable wire blocking plate; 31, petal body; 32, bolt; 33, hidden socket; 4, sheath; 5, embedding slot; 6, cover; 61, dismounting blind hole. DETAILED DESCRIPTION

[0028] The preferred embodiments of the utility model will be described in detail below in conjunction with the drawings, wherein the drawings form a part of the utility model and are used together with the embodiments of the utility model to explain the principles of the utility model, and are not used to limit the scope of the utility model.

[0029] In the field of magnetic field generation, a variety of specifications or models of coil forms are often used. In the preparation of coil forms, the method of whole material processing is adopted, and annular grooves are processed on cylindrical bars, and windings are wound in the annular grooves for fixing the windings.

[0030] However, with the gradual increase of the specifications of coil forms, the models are gradually increased, and the coil forms obtained by the method of whole material processing cannot adjust their length or size, so one specification can only meet the use of one model, which not only wastes labor and materials, but also increases the cost.

[0031] The utility model provides a combined coil form, the coil form includes winding tube 1, fixed wire blocking plate 2, movable wire blocking plate 3 and sheath 4;

[0032] The winding tube 1 is a hollow cylinder, the fixed wire blocking plate 2 and the movable wire blocking plate 3 are both disc-shaped, and a through hole is formed at the center of the fixed wire blocking plate 2 and the movable wire blocking plate 3, and the diameter of the through hole is equal to the outer diameter of the winding tube 1;

[0033] The fixed wire blocking plate 2 and the movable wire blocking plate 3 are respectively sleeved on the winding tube 1, the connection mode of the fixed wire blocking plate 2 and the winding tube 1 is fixed connection, the connection mode of the movable wire blocking plate 3 and the winding tube 1 is sliding connection, and the distance between the fixed wire blocking plate 2 and the movable wire blocking plate 3 is adjustable;

[0034] The sheath 4 is a hollow cylinder, which is sleeved on the outer circumferential surface of the fixed baffle plate 2 and the moving baffle plate 3, and one end of the sheath 4 is connected to the fixed baffle plate 2.

[0035] Compared with the prior art, the combined coil holder provided by the utility model comprises a winding pipe 1, a fixed baffle plate 2, a moving baffle plate 3 and a sheath 4, the fixed baffle plate 2 is fixed at one end of the winding pipe 1, the moving baffle plate 3 is connected to the end of the winding pipe 1 away from the fixed baffle plate 2, the distance between the moving baffle plate 3 and the fixed baffle plate 2 can be adjusted by changing the position of the moving baffle plate 3, and therefore the combined coil holder can meet the requirements of different specifications or models.

[0036] In the utility model, the diameters of the winding pipe 1, the fixed baffle plate 2 and the moving baffle plate 3 can be various, and the winding pipe 1 can be combined with the fixed baffle plate 2 and the moving baffle plate 3 in various ways, so that the requirements of different models can be met.

[0037] It should be noted that the winding pipe 1, the fixed baffle plate 2, the moving baffle plate 3 and the sheath 4 are selected according to the requirements of the model or the specification. First, one end of the winding pipe 1 is inserted into the through hole in the fixed baffle plate 2, the diameter of the winding pipe 1 is slightly larger than the diameter of the through hole, and the fixed baffle plate 2 is fixed on the winding pipe 1. Then the other end of the winding pipe 1 is inserted into the through hole in the moving baffle plate 3, and after adjusting the distance between the fixed baffle plate 2 and the moving baffle plate 3, the moving baffle plate 3 is fixed on the winding pipe 1. Finally, the sheath 4 is sleeved on the outer circumferential surface of the fixed baffle plate 2 and the moving baffle plate 3, and one end of the sheath 4 is connected to the fixed baffle plate 2.

[0038] Specifically, the fixed baffle plate 2 and the moving baffle plate 3 are of a split structure.

[0039] It should be noted that in the utility model, the fixed baffle plate 2 and the moving baffle plate 3 can adopt a split structure, which can be better disassembled and assembled on the winding pipe 1.

[0040] Specifically, the fixed baffle plate 2 and the moving baffle plate 3 are each composed of two or more petals 31, and the petals 31 are connected by bolts 32.

[0041] It should be noted that the fixed baffle plate 2 and the moving baffle plate 3 are of a split structure, and the fixed baffle plate 2 and the moving baffle plate 3 are evenly divided into a plurality of petals 31, and the petals 31 can be connected and fixed by bolts 32.

[0042] Specifically, the number of the moving baffle plates 3 is two or more.

[0043] It should be noted that in order to meet the use requirements of various specifications or models, the utility model can be sleeved with multiple mobile wire blocking plates 3 on the wire winding pipe 1, and the sizes of the mobile wire blocking plates 3 can be the same or different. Similarly, the distance between the mobile wire blocking plates 3 can be the same or different.

[0044] Specifically, a plurality of embedding grooves 5 are formed on the wire winding pipe 1, and the embedding grooves 5 are uniformly distributed along the length direction of the wire winding pipe 1; the fixed wire blocking plate 2 and the mobile wire blocking plate 3 are provided with protrusions, and the protrusions correspond to the embedding grooves 5 one by one.

[0045] It should be noted that in order to ensure that the combined coil holder is more stable during subsequent use and does not rotate or slide, a plurality of embedding grooves 5 are formed on the wire winding pipe 1, and the number of the embedding grooves 5 is equal to the total number of the mobile wire blocking plate 3 and the fixed wire blocking plate 2. The fixed wire blocking plate 2 and the mobile wire blocking plate 3 are provided with protrusions, and the protrusions are located in the concave surface of the fixed wire blocking plate 2 and the mobile wire blocking plate, and the protrusions are inserted into the embedding grooves 5.

[0046] Specifically, the cross section of the protrusion and the embedding groove 5 is circular or polygonal.

[0047] It should be noted that the protrusion is hemispherical or polygonal, the direction of the protrusion is towards the wire winding pipe 1, and the embedding groove 5 is also hemispherical or polygonal, the direction is the same as that of the protrusion, and the protrusion corresponds to the embedding groove 5 one by one. The polygon can be a triangle, a quadrilateral, etc. After the protrusion and the embedding groove 5 are matched, the movement of the fixed wire blocking plate 2 and the mobile wire blocking plate along the length direction of the wire winding pipe 1 or the rotation of the fixed wire blocking plate 2 and the mobile wire blocking plate along the central axis of the wire winding pipe 1 is prevented, and the fixation is more stable.

[0048] Specifically, the connection mode of the protective sleeve 4 and the fixed wire blocking plate 2 is screw connection.

[0049] It should be noted that an internal thread is formed at one end of the protective sleeve 4, and an external thread is formed on the outer peripheral surface of the fixed wire blocking plate 2. After screw connection, the protective sleeve 4 better protects the wire winding pipe 1, the fixed wire blocking plate 2, the mobile wire blocking plate 3 and the winding.

[0050] Specifically, a cover 6 is screw connected at each end of the wire winding pipe 1.

[0051] Preferably, a dismounting blind hole 61 for facilitating clamping by a wrench is formed on the cover 6.

[0052] It needs to be explained that, in the utility model, the coil iron core is arranged in the coil pipe 1, the two ends of the coil pipe 1 are all connected with the cover 6, the coil iron core can be well protected. The connecting mode between the cover 6 and the coil pipe 1 is screw connection, which is convenient to disassemble and assemble. The disassembly blind hole 61 is arranged on the cover 6, which is convenient to clamp with spanner.

[0053] Specifically, the hidden socket 33 is arranged on the fixed baffle 2 and the movable baffle 3, the number of the hidden socket 33 is two, and the hidden socket 33 is symmetrically arranged.

[0054] It needs to be explained that, in the utility model, the fixed baffle 2 and the movable baffle 3 are connected on the coil pipe 1, after the distance between the fixed baffle 2 and the movable baffle 3 is determined, the winding is started. After winding the winding, there is still the wiring at both ends. In order to better fix and protect the wiring at both ends of the winding, the hidden socket 33 is arranged on the fixed baffle 2 and the movable baffle 3.

[0055] The hidden socket 33 is arranged on the outer circumferential surface of the fixed baffle 2 and the movable baffle 3, is a recess inward, and two hidden sockets 33 are arranged on the fixed baffle 2 or the movable baffle 3, and the two hidden sockets 33 are symmetrically arranged with the center of the fixed baffle 2 or the movable baffle 3.

[0056] In order to more clearly describe the utility model, the following examples and comparative examples are further illustrated.

[0057] Example 1

[0058] Referring to Figure 1 and Figure 2 The utility model provides a kind of combined coil holder, and the coil holder includes coil pipe 1, fixed baffle 2, movable baffle 3 and sheath 4;

[0059] The coil pipe 1 is hollow cylinder, the fixed baffle 2 and the movable baffle 3 are all disc, and the fixed baffle 2 and the movable baffle 3 center are arranged with through hole, and the diameter of through hole is equal to the outer diameter of the coil pipe 1;

[0060] The fixed baffle 2 and the movable baffle 3 are respectively sleeved on the coil pipe 1, the connecting mode of the fixed baffle 2 and the coil pipe 1 is fixed connection, the connecting mode of the movable baffle 3 and the coil pipe 1 is sliding connection, and the distance between the fixed baffle 2 and the movable baffle 3 is adjustable;

[0061] The sheath 4 is a hollow cylinder, which is sleeved on the outer circumferential surface of the fixed baffle plate 2 and the movable baffle plate 3, one end of the sheath 4 is connected to the fixed baffle plate 2; the connection mode of the sheath 4 and the fixed baffle plate 2 is threaded connection.

[0062] Threaded covers 6 are respectively connected at both ends of the bobbin 1. Disassembly blind holes 61 are formed on the covers 6 for facilitating the clamping of a wrench; hidden sockets 33 are formed on the fixed baffle plate 2 and the movable baffle plate 3, the number of the hidden sockets 33 is two, and they are symmetrically arranged.

[0063] Assembly process:

[0064] According to the type or specification, the bobbin 1, the fixed baffle plate 2, the movable baffle plate 3 and the sheath 4 with appropriate sizes are selected. First, one end of the bobbin 1 is inserted into the through hole on the fixed baffle plate 2, the diameter of the bobbin 1 is slightly larger than the diameter of the through hole, and the fixed baffle plate 2 is fixed on the bobbin 1. Then, the other end of the bobbin 1 is inserted into the through hole on the movable baffle plate 3, after adjusting the distance between the fixed baffle plate 2 and the movable baffle plate 3, the movable baffle plate 3 is fixed on the bobbin 1. Finally, the sheath 4 is sleeved on the outer circumferential surface of the fixed baffle plate 2 and the movable baffle plate 3, one end of the sheath 4 is connected to the fixed baffle plate 2.

[0065] Through the selection of the diameters of the bobbin 1, the fixed baffle plate 2 and the movable baffle plate 3, or the combination of the bobbin 1 and the fixed baffle plate 2 and the movable baffle plate 3, the requirements of different types can be met, the materials can be saved, and it is more flexible.

[0066] Example 2

[0067] Example 2 is basically the same as the preparation process of Example 1, except that the fixed baffle plate 2 and the movable baffle plate 3 in Example 2 are a split structure, the fixed baffle plate 2 and the movable baffle plate 3 are each composed of two petals 31, and the petals 31 are connected by bolts 32. A plurality of embedding grooves 5 are formed on the bobbin 1, the embedding grooves 5 are uniformly distributed along the length direction of the bobbin 1; protrusions are arranged on the fixed baffle plate 2 and the movable baffle plate 3, and the protrusions correspond to the embedding grooves 5 one by one. The cross section of the protrusion and the embedding groove 5 is a square.

[0068] Assembly process:

[0069] The fixed baffle plate 2 and the moving baffle plate 3 are in a split structure, composed of two petals 31, the protrusion on one petal 31 is inserted into the embedding groove 5, then the other petal 31 is installed, and the petals 31 are connected through the bolts 32. Meanwhile, the cross section of the protrusion and the embedding groove 5 is square, which can prevent the moving of the fixed baffle plate 2 and the moving baffle plate along the length direction of the winding pipe 1 or the rotation along the central axis of the winding pipe 1, and the fixing is more stable.

[0070] Embodiment 3

[0071] Embodiment 3 is substantially the same as the preparation process of Embodiment 2, except that the number of the moving baffle plate 3 in Embodiment 3 is three.

[0072] With reference to Figure 3 In the utility model, the combined coil holder is composed of one fixed baffle plate 2 and three moving baffle plates 3, the distance between the moving baffle plates 3 is adjustable, and more models can be satisfied.

[0073] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of the changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A combined coil former, characterized by The coil holder comprises a bobbin (1), a fixed baffle (2), a movable baffle (3) and a sheath (4); The bobbin (1) is a hollow cylinder, the fixed baffle (2) and the movable baffle (3) are both disc-shaped, and a through hole is formed at the center of the fixed baffle (2) and the movable baffle (3), the diameter of the through hole is equal to the outer diameter of the bobbin (1); The fixed baffle (2) and the movable baffle (3) are respectively sleeved on the bobbin (1), the connection mode between the fixed baffle (2) and the bobbin (1) is fixed connection, the connection mode between the movable baffle (3) and the bobbin (1) is sliding connection, and the distance between the fixed baffle (2) and the movable baffle (3) is adjustable; The sheath (4) is a hollow cylinder, which is sleeved on the outer circumferential surface of the fixed baffle (2) and the movable baffle (3), and one end of the sheath (4) is connected to the fixed baffle (2).

2. The combination former according to claim 1, wherein The fixed baffle (2) and the movable baffle (3) are of split structure.

3. The assembly of claim 2, wherein: The fixed baffle (2) and the movable baffle (3) are both composed of two or more than two petals (31), and the petals (31) are connected by bolts (32).

4. The combination former of claim 1 wherein, The number of the movable baffles (3) is two or more than two.

5. The assembly of claim 1, wherein: A plurality of embedding grooves (5) are formed on the bobbin (1), the embedding grooves (5) are uniformly distributed along the length direction of the bobbin (1), and the fixed baffle (2) and the movable baffle (3) are provided with protrusions, the protrusions correspond to the embedding grooves (5) one by one.

6. The assembly of claim 5, wherein: The cross section of the protrusion and the embedding groove (5) is circular or polygonal.

7. The assembly of claim 1, wherein: The connection mode between the sheath (4) and the fixed baffle (2) is screw connection.

8. The assembly of claim 1, wherein: Caps (6) are respectively screwed on both ends of the bobbin (1).

9. The assembly of claim 8, wherein, A dismounting blind hole (61) for facilitating clamping by a wrench is formed on the cap (6).

10. The assembly of claim 1, wherein: Hidden sockets (33) are formed on the fixed baffle (2) and the movable baffle (3), the number of the hidden sockets (33) is two, and the hidden sockets (33) are symmetrically arranged.

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