CN211620776U - Needle selection piece fixing structure - Google Patents
Needle selection piece fixing structure Download PDFInfo
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- CN211620776U CN211620776U CN201922348051.4U CN201922348051U CN211620776U CN 211620776 U CN211620776 U CN 211620776U CN 201922348051 U CN201922348051 U CN 201922348051U CN 211620776 U CN211620776 U CN 211620776U
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- iron core
- selector
- needle
- blade
- fixing structure
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Abstract
The utility model relates to a select needle piece fixed knot to construct, including the casing, be fixed with the iron core in the casing, the iron core has a plurality of excitation coils outward the one end of casing is provided with the fixture block, one side in the fixture block is provided with the permanent magnet, and opposite side movably is provided with the needle selection blade relatively, and the both sides of selecting the needle blade are provided with spacing piece respectively, the head of selecting the needle blade passes from the spacing hole that constitutes between two spacing pieces. After the needle selector structure is adopted, under the condition that the action of the needle selector is not switched, the coil does not need to be electrified, and the coil is electrified reversely until the position of the needle selector needs to be switched, so that the heat productivity of the needle selector can be reduced, and the energy conservation and cost reduction are realized.
Description
Technical Field
The invention relates to the technical field of textile machinery components, in particular to the technical field of needle selectors, and particularly relates to a needle selection sheet fixing structure.
Background
The existing fixing structure of the needle selector adopts a structure, the state of the fixing structure is kept after the fixing structure swings, and the coil needs to be always electrified, so that the heat productivity of the needle selector is caused, the service life of the needle selector is influenced, and the production cost is also increased.
Disclosure of Invention
The invention aims to provide a needle selection piece fixing structure, which adjusts the fixing mode of the needle selection piece, introduces a coil iron core, solves the heating problem of the needle selection piece and saves energy consumption at the same time.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a needle selection piece fixing structure which comprises a shell, wherein an iron core is fixed in the shell, a plurality of excitation coils are wound outside the iron core, one end of the shell is provided with a clamping block, one side in the clamping block is provided with a permanent magnet, the other side opposite to the clamping block is movably provided with a needle selection blade, two sides of the needle selection blade are respectively provided with a limiting piece, and the head of the needle selection blade penetrates through a limiting hole formed between the two limiting pieces.
With respect to the above technical solutions, the applicant has further optimized embodiments.
Further, the permanent magnet of the fixture block is disposed close to the iron core, and the magnetic pole disposition direction is substantially in the same direction as the axis of the iron core.
Furthermore, a concave pit is arranged at one end of the shell, the clamping block can be transversely and rotatably clamped in the concave pit, a permanent magnet is fixed on one inward side of the clamping block, the needle selecting blade is fixed on the opposite outward side of the clamping block, and the iron core drives the needle selecting blade to move in the limiting hole in the power-on state.
Furthermore, a trapezoidal clamping groove which is narrow outside and wide inside is arranged on one side of the clamping block facing outside, a connecting sheet is arranged between the needle selecting blade and the clamping block, one end of the connecting sheet is a clamping joint matched with the trapezoidal clamping groove, a positioning hole is formed in the connecting sheet, and the rear end of the needle selecting blade is inserted into the positioning hole.
Further, the permanent magnet comprises two permanent magnets fixed together in opposite polarities, and the connecting surfaces of the two permanent magnets are basically in the same plane with the axis of the iron core.
Further, the iron core is made of a hard magnetic material with low coercive force.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the coil iron core in the needle selector fixing structure adopts a low-coercivity hard magnetic material, the coil on the periphery of the iron core can be magnetized after being electrified, the magnetism cannot disappear after the power is cut off, the magnetic field acts on the permanent magnet fixed on the needle selector, the needle selector can be kept at a single position, the iron core can be reversely magnetized into a state opposite to the original polarity after the coil is reversely electrified, the magnetic field acts on the permanent magnet fixed on the needle selector, and the needle selector is driven to swing to the other side according to the principle that like poles of the magnetic material repel each other and opposite poles of the magnetic material attract each other.
The needle selection piece is controlled to swing back and forth by switching the current direction in the coil. After the needle selector structure is adopted, under the condition that the action of the needle selector is not switched, the coil does not need to be electrified, and the coil is electrified reversely until the position of the needle selector needs to be switched, so that the heat productivity of the needle selector can be reduced, and the energy conservation and cost reduction are realized.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of a selector jack fixing structure according to an embodiment of the present invention.
Wherein the reference numerals are as follows:
1. the device comprises a shell, 2, an iron core, 3, an exciting coil, 4, a clamping block, 5, a permanent magnet, 6, a connecting sheet, 7, a needle selection blade, 8 and a limiting sheet.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The present embodiment provides a selector jack fixing structure, as shown in fig. 1, which may generally include a housing 1, and an iron core 2 fixed in the housing 1, the iron core 2 being made of a hard magnetic material with a low coercive force. The iron core 2 is wound with a plurality of exciting coils 3, one end of the shell 1 is provided with a clamping block 4, one side in the clamping block 4 is provided with a permanent magnet 5, the other opposite side is movably provided with a needle selection blade 7, two sides of the needle selection blade 7 are respectively provided with a limiting piece 8, and the head of the needle selection blade 7 passes through a limiting hole formed between the two limiting pieces 8.
A pit is arranged at one end of the shell 1, the fixture block 4 is transversely and rotatably clamped in the pit, a permanent magnet 5 is fixed at one inward side of the fixture block 4, the needle selecting blade 7 is fixed at the opposite outward side of the fixture block, the needle selecting blade 7 is driven to move in a limiting hole under the electrified state of the iron core 2, the permanent magnet 5 of the fixture block 4 is arranged close to the iron core 2, and the arrangement direction of a magnetic pole is basically in the same direction as the axis of the iron core 2.
Preferably, a trapezoidal clamping groove which is narrow outside and wide inside is formed in one side, facing outside, of the clamping block 4, a connecting piece 6 is arranged between the needle selecting blade 7 and the clamping block 4, a clamping connector which is matched with the trapezoidal clamping groove is arranged at one end of the connecting piece 6, a positioning hole is formed in the connecting piece 6, and the rear end of the needle selecting blade 7 is inserted into the positioning hole.
Further, the permanent magnet 5 comprises two permanent magnets fixed together in opposite polarities, and the connection surfaces of the two permanent magnets are substantially in the same plane with the axis of the iron core 2.
Based on the above-mentioned needle selector fixing structure, this embodiment further provides a needle selector control method, the needle selector fixing structure includes a housing 1, an iron core 2 is fixed in the housing 1, the iron core 2 is wound with a plurality of exciting coils 3, one end of the housing 1 is provided with a fixture block 4, one side of the fixture block 4 is provided with a permanent magnet 5, the other side is movably provided with a needle selecting blade 7, two sides of the needle selecting blade 7 are respectively provided with a limiting piece 8, the head of the needle selecting blade 7 passes through a limiting hole formed between the two limiting pieces 8, the exciting coils 3 are energized to magnetize the iron core 2, the magnetism of the iron core 2 does not disappear after the power is off, a magnetic field acts on the permanent magnet 5 fixed at the fixture block 4 to keep the needle selecting blade at a single position, and the iron core 2 can be reversely magnetized to a state opposite to the original polarity after the exciting coils 3 are reversely energized, the magnetic field acts on the permanent magnet 5, and drives the needle selection blade 7 to swing to the other side according to the principle that like poles of magnetic materials repel each other and opposite poles of magnetic materials attract each other.
The iron core 2 is made of a low-coercivity hard magnetic material, the permanent magnet 5 comprises two permanent magnets which are fixed together in opposite polarities, and the connecting surfaces of the two permanent magnets and the axis of the iron core 2 are basically in the same plane.
The coil iron core 2 in the needle selector fixing structure adopts a low-coercivity hard magnetic material, after a coil at the periphery of the iron core 2 is electrified, the iron core 2 can be magnetized, the magnetism does not disappear after the power is off, a magnetic field acts on the permanent magnet 5 fixed on the needle selector, the needle selector can be kept at a single position, after the coil is electrified reversely, the iron core 2 can be reversely magnetized into a state opposite to the original polarity, the magnetic field acts on the permanent magnet 5 fixed on the needle selector, and the needle selector is driven to swing to the other side according to the principle that like poles of the magnetic material repel each other and opposite poles attract each other.
The needle selection piece is controlled to swing back and forth by switching the current direction in the coil. After the needle selector structure is adopted, under the condition that the action of the needle selector is not switched, the coil does not need to be electrified, and the coil is electrified reversely until the position of the needle selector needs to be switched, so that the heat productivity of the needle selector can be reduced, and the energy conservation and cost reduction are realized.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (6)
1. A needle selection piece fixing structure is characterized by comprising a shell, an iron core is fixed in the shell, a plurality of exciting coils are wound outside the iron core, a clamping block is arranged at one end of the shell, a permanent magnet is arranged on one side in the clamping block, a needle selection blade is movably arranged on the other side of the clamping block, limiting pieces are respectively arranged on two sides of the needle selection blade, and the head of the needle selection blade penetrates through a limiting hole formed between the two limiting pieces.
2. The selector jack fixing structure according to claim 1, wherein the permanent magnet of the card block is disposed close to the iron core, and the magnetic pole disposition direction is substantially in the same direction as the axis of the iron core.
3. The selector jack fixing structure according to claim 2, wherein a recess is provided at one end of the housing, the latch is laterally and rotatably engaged in the recess, a permanent magnet is fixed to an inward side of the latch, the selector blade is fixed to an opposite outward side of the latch, and the selector blade is driven to move in the stopper hole by the iron core in the energized state.
4. The selector fixing structure according to claim 3, wherein a trapezoidal groove that is narrow outside and wide inside is provided on an outward side of the fixture block, a connecting piece is provided between the selector blade and the fixture block, one end of the connecting piece is a snap joint that fits into the trapezoidal groove, a positioning hole is provided on the connecting piece, and a rear end of the selector blade is inserted into the positioning hole.
5. The selector jack fixing structure according to claim 1, wherein the permanent magnet comprises two permanent magnets fixed together with opposite polarities, and the connecting surfaces of the two permanent magnets are substantially in the same plane as the axis of the iron core.
6. The selector jack fixing structure according to any one of claims 1 to 5, wherein the iron core is made of a hard magnetic material with low coercive force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348051.4U CN211620776U (en) | 2019-12-24 | 2019-12-24 | Needle selection piece fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348051.4U CN211620776U (en) | 2019-12-24 | 2019-12-24 | Needle selection piece fixing structure |
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| Publication Number | Publication Date |
|---|---|
| CN211620776U true CN211620776U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922348051.4U Active CN211620776U (en) | 2019-12-24 | 2019-12-24 | Needle selection piece fixing structure |
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| CN (1) | CN211620776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020852A (en) * | 2019-12-24 | 2020-04-17 | 常熟长润智能科技有限公司 | Needle selection piece fixing structure and control method thereof |
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2019
- 2019-12-24 CN CN201922348051.4U patent/CN211620776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111020852A (en) * | 2019-12-24 | 2020-04-17 | 常熟长润智能科技有限公司 | Needle selection piece fixing structure and control method thereof |
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