CN217640838U - Trapezoidal magnetic focusing coil - Google Patents
Trapezoidal magnetic focusing coil Download PDFInfo
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- CN217640838U CN217640838U CN202221335371.1U CN202221335371U CN217640838U CN 217640838 U CN217640838 U CN 217640838U CN 202221335371 U CN202221335371 U CN 202221335371U CN 217640838 U CN217640838 U CN 217640838U
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Abstract
The utility model discloses a trapezoidal magnetic focusing coil, which comprises a coil cylinder and a coil wound on the coil cylinder, wherein the number of turns of the coil wound on the coil cylinder is distributed in a trapezoidal structure, and the winding radius of the coil is gradually reduced from the electron beam inlet end of the coil cylinder to the electron beam outlet end of the coil cylinder; an included angle exists between the inclined plane of the outer side of the coil and the axial direction of the coil cylinder under the cross section state, and the degree of the included angle is 5 degrees; supporting mechanism is all installed at the both ends of coil bobbin, supporting mechanism includes: the mounting frame is mounted on the outer wall of one end of the coil cylinder; and the annular fixing frame is integrally arranged on the inner side of the mounting frame. The utility model discloses be trapezoidal distribution with the whole coil number of turns distribution of magnetic focusing coil, the ampere of turns that the electron beam started the main coil from the entrance promptly is from last to steadilying gradually down and is trapezoidal distribution, helps strengthening magnetic focusing coil's focusing effect, has promoted the practicality.
Description
Technical Field
The utility model relates to a magnetic focusing coil technical field especially relates to a trapezoidal magnetic focusing coil.
Background
With the wide use of magnetic focusing techniques in the fields of medicine, oil exploration, and the like, various coil array structures designed for achieving focusing have been proposed in order to achieve magnetic focusing.
In the application of the magnetic focusing coil, when an electron beam penetrates into the first end face downwards from the vertical end face in the magnetic focusing coil, the electron beam can integrally advance spirally under the action of an unevenly distributed magnetic field, the radius of the electron beam can be gradually reduced, and when the electron beam penetrates out of the other end face, the uneven magnetic field on the end face of the magnetic focusing coil can enable the electron beam to have a smaller resistance effect.
How to improve the influence of the nonuniform magnetic field on the end face of the magnetic focusing coil on the electron beam to ensure the magnetic focusing effect is one of the problems to be considered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a trapezoidal magnetic focusing coil.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a trapezoidal magnetic focusing coil comprises a coil cylinder and a coil wound on the coil cylinder, wherein the number of turns of the coil wound on the coil cylinder is distributed in a trapezoidal structure, and the winding radius of the coil is gradually reduced from the electron beam inlet end of the coil cylinder to the electron beam outlet end of the coil cylinder; an included angle exists between the outer side inclined plane of the coil and the axial direction of the coil cylinder in the cross section state, and the included angle degree is 5 degrees.
As a further aspect of the present invention: supporting mechanism is all installed at the both ends of coil bobbin, supporting mechanism includes:
the mounting frame is mounted on the outer wall of one end of the coil cylinder;
the annular fixing frame is integrally arranged on the inner side of the mounting frame;
the center of the hollow frame component is a hollow structure for electron beams to pass through; the hollow frame component is arranged in the annular fixed frame and comprises an annular sliding frame and a push disc, the push disc is integrally arranged at the top of the annular sliding frame, and the annular sliding frame is rotatably arranged on the inner wall of the annular fixed frame; the outer side wall of the push disc is of an annular corrugated structure which is distributed in a concave-convex staggered manner;
the supporting component is movably arranged on the mounting frame, and one end of the supporting component is in sliding contact with the push disc.
As a further aspect of the present invention: the installing frame top outer wall integral type is provided with the collateral branch frame that the circumference distributes, supporting component includes:
the supporting rod is connected to the inner wall of the side bracket in a sliding manner, one end of the supporting rod is matched with the push disc, and the supporting rod is in a hexagonal prism structure;
the arc-shaped supporting block is fixed on the outer wall of one end of the supporting rod, which is far away from the push disc;
and two ends of the elastic crumple sleeve are fixed between the arc-shaped supporting block and the side bracket.
As a further aspect of the present invention: the outer side of the pushing disc is provided with a sliding groove, the outer wall of one end of the supporting rod is integrally provided with a sliding ball, and the sliding ball is connected in the sliding groove in a sliding mode.
As the utility model discloses further scheme again: the annular fixing frame is internally bonded with an annular non-slip mat, and the annular sliding frame is rotatably arranged in the annular non-slip mat.
As a further aspect of the present invention: the outer wall of one side of the arc-shaped supporting block, which is far away from the push disc, is bonded with elastic rubber pads which are uniformly distributed, and the elastic rubber pads are of U-shaped structures.
As a further aspect of the present invention: jacks which are uniformly distributed are formed in the top of the coil cylinder; an inserting rod matched with the inserting hole is integrally arranged on the outer wall of the bottom of the mounting frame, and an anti-skid rubber ring is bonded on the outer side of the bottom end of the inserting rod; the inserted bar is detachably inserted in the jack.
As a further aspect of the present invention: the outer wall of the top of the push plate is integrally provided with a holding plate, and finger grooves which are uniformly distributed are formed in two sides of the holding plate.
The utility model has the advantages that:
1. the utility model discloses be trapezoidal distribution with the whole coil number of turns distribution of magnetic focusing coil, the ampere of turns that the electron beam started the main coil from the entrance promptly is trapezoidal distribution from last to descending in proper order, helps strengthening magnetic focusing coil's focusing effect, has promoted the practicality.
2. The utility model discloses when needs are installed in tubular structure inside, can place the coil barrel in tubular structure, through rotatory hollow frame subassembly, will push away the convex part of dish and revolve to supporting component's one end to it is ejecting to the outside with supporting component, utilize supporting component to support the coil barrel, stand up the central point of tubular structure with the coil barrel and put, reach fixed purpose, promoted the practicality.
3. The utility model can extrude the support rod by the rotation of the push disk, and the arc-shaped support block is pushed out under the guiding action of the side bracket, thereby improving the practicability; through setting up spout and sliding ball, reduced the slip frictional force, promoted spacing ability, reliability when having ensured the linkage.
Drawings
Fig. 1 is a schematic view of a winding structure of a coil cylinder and a coil in a trapezoidal magnetic focusing coil according to the present invention;
fig. 2 is a schematic structural diagram of a coil cylinder in a trapezoidal magnetic focusing coil according to the present invention;
fig. 3 is a schematic structural view illustrating the mounting frame of the trapezoidal magnetic focusing coil of the present invention being detached from the bobbin;
fig. 4 is a schematic structural diagram of a cross-section of a trapezoidal magnetic focusing coil with a hollow frame assembly detached from an annular fixing frame.
In the figure: 1-coil cylinder, 2-coil, 3-mounting frame, 4-push disc, 5-arc supporting block, 6-holding disc, 7-elastic rubber mat, 8-chute, 9-supporting rod, 10-elastic crease sleeve, 11-side bracket, 12-finger groove, 13-inserted rod, 14-anti-skid rubber ring, 15-jack, 16-sliding ball, 17-annular anti-skid mat, 18-annular fixing frame and 19-annular sliding frame.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.
Example 1
1-4, comprising a bobbin 1 and a coil 2 wound on the bobbin 1, wherein the number of turns of the coil 2 wound on the bobbin 1 is distributed in a trapezoidal structure, and the winding radius of the coil 2 is gradually reduced from the electron beam inlet end of the bobbin 1 to the electron beam outlet end of the bobbin 1; because the winding radius of the coil 2 is gradually reduced from one end of the coil cylinder 1 to the other end of the coil cylinder 1, an included angle exists between an inclined plane at the outer side of the coil 2 and the axial direction of the coil cylinder 1 in a cross-sectional state, and the degree of the included angle is 3-8 degrees, in the embodiment, the degree of the included angle is preferably 5 degrees;
the number of turns of the integral coil of the magnetic focusing coil is distributed in a trapezoidal shape as shown in fig. 1, namely, the number of ampere turns of the main coil of the electron beam from the entrance is gradually decreased from top to bottom in the trapezoidal distribution, so that the focusing effect of the magnetic focusing coil is enhanced, and the practicability is improved.
The coil cylinder 1 is fixed for convenient installation; as shown in fig. 2 to 4, a support mechanism is installed at both ends of the bobbin 1, and the support mechanism includes:
the mounting frame 3 is mounted on the outer wall of one end of the coil cylinder 1;
the annular fixing frame 18, the annular fixing frame 18 is integrally arranged at the inner side of the mounting frame 3;
the center of the hollow frame component is a hollow structure for the electron beam to pass through; the hollow frame component is arranged in the annular fixed frame 18 and comprises an annular sliding frame 19 and a push disc 4, the push disc 4 is integrally arranged at the top of the annular sliding frame 19, and the annular sliding frame 19 is rotatably arranged on the inner wall of the annular fixed frame 18; the outer side wall of the push disc 4 is in an annular corrugated structure which is distributed in a concave-convex staggered manner;
the supporting component is movably arranged on the mounting rack 3, and one end of the supporting component is in sliding contact with the push disc 4;
through setting up hollow frame subassembly, supporting component etc. when needs are installed inside the tubular structure, can place bobbin 1 in the tubular structure, through rotatory hollow frame subassembly, will push away 4 convex parts of dish and revolve to supporting component's one end to ejecting supporting component to the outside, utilizing supporting component to support bobbin 1, standing bobbin 1 in the central point of tubular structure puts, reaches fixed purpose, has promoted the practicality.
In order to improve the supporting effect; as shown in fig. 3 and 4, the top outer wall of the mounting frame 3 is integrally provided with side brackets 11 distributed circumferentially, and the supporting component includes:
the supporting rod 9 is connected to the inner wall of the side bracket 11 in a sliding mode, one end of the supporting rod 9 is matched with the push disc 4, and the supporting rod 9 is of a hexagonal prism structure;
the arc-shaped supporting block 5 is fixed on the outer wall of one end, far away from the push disc 4, of the supporting rod 9;
the elastic crease sleeve 10, two ends of the elastic crease sleeve 10 are fixed between the arc-shaped supporting block 5 and the side bracket 11;
through setting up bracing piece 9 and arc supporting shoe 5 isotructure, can utilize the rotatory extrusion bracing piece 9 of pushing disk 4, under the effect of collateral branch frame 11 direction, outwards ejecting with arc supporting shoe 5, promoted the practicality.
To improve fluency; as shown in fig. 2-4, a sliding groove 8 is formed in the outer side of the push plate 4, a sliding ball 16 is integrally arranged on the outer wall of one end of the support rod 9, and the sliding ball 16 is slidably connected in the sliding groove 8;
through setting up spout 8 and sliding ball 16, reduced the sliding friction power, promoted spacing ability, reliability when having ensured the linkage.
In order to improve reliability; as shown in fig. 4, the annular antiskid pad 17 is bonded on the inner side of the annular fixing frame 18, and the annular sliding frame 19 is rotatably mounted in the annular antiskid pad 17;
through setting up annular slipmat 17, can avoid annular balladeur train 19 to rotate under the condition of non-manpower participation, promoted the reliability.
In order to improve the supporting effect; as shown in fig. 2, the elastic rubber pads 7 are uniformly adhered to the outer wall of one side of the arc-shaped supporting block 5 away from the pushing disc 4, and the elastic rubber pads 7 are of a U-shaped structure.
To facilitate installation; as shown in fig. 3, the top of the coil bobbin 1 is provided with evenly distributed insertion holes 15; an inserting rod 13 matched with the inserting hole 15 is integrally arranged on the outer wall of the bottom of the mounting frame 3, and an anti-skid rubber ring 14 is bonded on the outer side of the bottom end of the inserting rod 13; the inserting rod 13 is detachably inserted into the inserting hole 15.
The working principle is as follows: when the coil cylinder is required to be installed inside a tubular structure, the coil cylinder 1 can be placed inside the tubular structure, the protruding part of the push disc 4 is screwed to one end of the supporting component through rotating the hollow frame component, so that the supporting component is ejected outwards, the coil cylinder 1 is supported by the supporting component, the coil cylinder 1 is erected in the center of the tubular structure, the fixing purpose is achieved, and the practicability is improved.
Example 2
For convenience of operation, referring to fig. 2 and 3, the present embodiment is modified from embodiment 1 in that a holding disc 6 is integrally arranged on an outer wall of a top of the pushing disc 4, and finger grooves 12 are uniformly distributed on two sides of the holding disc 6;
through setting up and holding dish 6 and finger groove 12, the person of facilitating the use holds, does benefit to revolve to twist and revolves and twist pushing disk 4, has promoted the practicality.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A trapezoidal magnetic focusing coil is characterized by comprising a coil cylinder (1) and a coil (2) wound on the coil cylinder (1), wherein the turns of the coil (2) wound on the coil cylinder (1) are distributed in a trapezoidal structure, and the winding radius of the coil (2) is gradually reduced from the electron beam inlet end of the coil cylinder (1) to the electron beam outlet end of the coil cylinder (1); under the cross section state, an included angle exists between the outer side inclined plane of the coil (2) and the axial direction of the coil cylinder (1), and the included angle degree is 5 degrees.
2. Trapezoidal magnetic focusing coil according to claim 1, characterized in that the supporting mechanism is installed at both ends of the coil cylinder (1), and the supporting mechanism comprises:
the mounting rack (3) is mounted on the outer wall of one end of the coil cylinder (1);
the annular fixing frame (18), the annular fixing frame (18) is integrally arranged on the inner side of the mounting frame (3);
the center of the hollow frame component is a hollow structure for the electron beam to pass through; the hollow frame component is arranged in the annular fixed frame (18), the hollow frame component comprises an annular sliding frame (19) and a push disc (4), the push disc (4) is integrally arranged at the top of the annular sliding frame (19), and the annular sliding frame (19) is rotatably arranged on the inner wall of the annular fixed frame (18); the outer side wall of the push disc (4) is of an annular corrugated structure which is distributed in a concave-convex staggered manner;
the supporting component is movably arranged on the mounting rack (3), and one end of the supporting component is in sliding contact with the push disc (4).
3. Trapezoidal magnetic focusing coil according to claim 2, characterized in that the top and outer wall of the mounting frame (3) is integrally provided with circumferentially distributed side frames (11), and the supporting assembly comprises:
the supporting rod (9), the supporting rod (9) is connected to the inner wall of the side bracket (11) in a sliding mode, one end of the supporting rod (9) is matched with the push disc (4), and the supporting rod (9) is of a hexagonal prism structure;
the arc-shaped supporting block (5), the arc-shaped supporting block (5) is fixed on the outer wall of one end of the supporting rod (9) far away from the push disc (4);
the elastic crease sleeve (10), the two ends of the elastic crease sleeve (10) are fixed between the arc-shaped supporting block (5) and the side bracket (11).
4. The trapezoidal magnetic focusing coil according to claim 3, wherein a sliding groove (8) is formed in the outer side of the push disc (4), a sliding ball (16) is integrally arranged on the outer wall of one end of the supporting rod (9), and the sliding ball (16) is slidably connected in the sliding groove (8).
5. The trapezoidal magnetic focusing coil according to any one of claims 2 to 4, wherein the annular fixing frame (18) is bonded with an annular anti-slip pad (17) on the inner side, and the annular sliding frame (19) is rotatably mounted in the annular anti-slip pad (17).
6. The trapezoidal magnetic focusing coil as claimed in claim 3, wherein the outer wall of one side of the arc-shaped supporting block (5) far away from the pushing plate (4) is bonded with uniformly distributed elastic rubber pads (7), and the elastic rubber pads (7) are in a U-shaped structure.
7. The trapezoidal magnetic focusing coil according to claim 6, characterized in that the top of the coil cylinder (1) is provided with evenly distributed insertion holes (15); an inserting rod (13) matched with the inserting hole (15) is integrally arranged on the outer wall of the bottom of the mounting frame (3), and an anti-skidding rubber ring (14) is bonded on the outer side of the bottom end of the inserting rod (13); the inserted rod (13) is detachably inserted into the insertion hole (15).
8. The trapezoidal magnetic focusing coil according to claim 4, characterized in that the outer wall of the top of the pushing disc (4) is integrally provided with a holding disc (6), and the holding disc (6) is provided with finger grooves (12) uniformly distributed on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221335371.1U CN217640838U (en) | 2022-05-31 | 2022-05-31 | Trapezoidal magnetic focusing coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221335371.1U CN217640838U (en) | 2022-05-31 | 2022-05-31 | Trapezoidal magnetic focusing coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217640838U true CN217640838U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221335371.1U Active CN217640838U (en) | 2022-05-31 | 2022-05-31 | Trapezoidal magnetic focusing coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217640838U (en) |
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2022
- 2022-05-31 CN CN202221335371.1U patent/CN217640838U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230518 Address after: 719001 the junction of madatan Machang village, Mengjiawan Township, Yuyang District, Yulin City, Shaanxi Province Patentee after: Shaanxi coal caojiatan Mining Co.,Ltd. Address before: 719000 unit 1, building 4, yadu capital, Yuyang District, Yulin City, Shaanxi Province Patentee before: Zhang Lvjia |