CN219345152U - Front self-locking or detaching mechanism for embedded instrument board in front of board - Google Patents
Front self-locking or detaching mechanism for embedded instrument board in front of board Download PDFInfo
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- CN219345152U CN219345152U CN202320858451.3U CN202320858451U CN219345152U CN 219345152 U CN219345152 U CN 219345152U CN 202320858451 U CN202320858451 U CN 202320858451U CN 219345152 U CN219345152 U CN 219345152U
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- permanent magnet
- shaped permanent
- locking
- exciting coil
- detaching mechanism
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Abstract
The utility model discloses a front self-locking or detaching mechanism for an embedded instrument board in front of a board, which comprises a positioning block, wherein a U-shaped permanent magnet is arranged on the positioning block; the U-shaped permanent magnet is wound with a direct current exciting coil, and after the direct current exciting coil is electrified, magnetic flux opposite to the U-shaped permanent magnet is generated; the ferromagnetic frame is arranged on the instrument shell and is attracted with the U-shaped permanent magnet; the U-shaped permanent magnet is provided with an ejection spring positioned between the U-shaped permanent magnet and the ferromagnetic frame; the DC excitation coil is provided with a power supply; a power-on switch is connected in series between the direct-current exciting coil and the power supply; the utility model uses a U-shaped permanent magnet to attract the ferromagnetic frame on the instrument, thus achieving the function of fixing the embedded instrument; the device has the characteristics of convenient installation and disassembly; the working principle is simple and reliable, the manufacturing process has no special requirements, the debugging is simple, the production cost is low, and the series batch production is convenient.
Description
Technical Field
The utility model relates to the technical field of instrument fixing, in particular to a front self-locking or detaching mechanism for an embedded instrument board in front of a board.
Background
On instruments and meters and large control equipment, a plurality of measuring instruments are embedded and installed in front of a board, and fixed behind the board. However, many meters belong to the period mandatory verification meters specified by the quality technical administration. Therefore, after the equipment runs for a certain period, the metering device is detached from the equipment, and the metering device is detected by a detection unit and returned after being detected to be qualified. Because the metering devices installed in front of the embedded plate are all fixed by screws behind the plate, the rear cover of the device must be opened during disassembly and assembly, the operation is complex, the assembly difficulty is high, the time and the labor are wasted, and the difficulty is increased.
Disclosure of Invention
In order to solve the defects that in the prior art, the metering instruments installed in front of the embedded plate are all fixed by screws behind the plate, and the rear cover of the equipment is required to be opened during disassembly and assembly, the operation is complex, the assembly difficulty is high, time and labor are wasted, and a great deal of difficulty is increased, the utility model provides a front-embedded instrument board front self-locking or detaching mechanism.
In order to solve the technical problems, the utility model provides the following technical scheme:
the front self-locking or detaching mechanism of the embedded instrument board comprises a positioning block, wherein a U-shaped permanent magnet is arranged on the positioning block; the U-shaped permanent magnet is wound with a direct current exciting coil, and after the direct current exciting coil is electrified, magnetic flux opposite to the U-shaped permanent magnet is generated; the ferromagnetic frame is arranged on the instrument shell and is attracted with the U-shaped permanent magnet; the U-shaped permanent magnet is provided with an ejection spring positioned between the U-shaped permanent magnet and the ferromagnetic frame; the DC excitation coil is provided with a power supply; and a power switch is connected in series between the direct-current exciting coil and the power supply.
As a preferable technical scheme of the utility model, an adjustable resistor is connected in series between the direct-current exciting coil and the energizing switch.
As a preferable technical scheme of the utility model, the two ends of the ejection spring are respectively provided with an end plate, and one end plate is fixed with the outer side of the direct current excitation coil through a fixing adhesive layer.
As a preferable technical scheme of the utility model, the end plate is made of an insulating material.
As a preferable technical scheme of the utility model, the energizing switch is a key hole type click switch.
As a preferable technical scheme of the utility model, the ferromagnetic frame is attracted with the U-shaped permanent magnet, and the ejection spring is in a compression state.
The beneficial effects of the utility model are as follows:
the front self-locking/detaching mechanism of the embedded instrument board in front of the board is characterized in that a U-shaped permanent magnet is used for attracting a ferromagnetic frame on the instrument to achieve the effect of fixing the embedded instrument. An ejection spring is arranged in the U-shaped permanent magnet and the ferromagnetic frame, and the ejection spring is compressed to store energy when the ferromagnetic frame is attracted by the U-shaped permanent magnet; a group of direct current excitation coils are wound on the U-shaped permanent magnet, and when the direct current excitation coils are electrified, a magnetic field with the polarity opposite to that of the U-shaped permanent magnet is generated by the direct current excitation coils and is used for counteracting the magnetic field of the U-shaped permanent magnet, so that the attraction force to the ferromagnetic frame of the embedded instrument is reduced; the ejection spring overcomes the attraction of the magnetic field and ejects the embedded instrument; has the characteristics of convenient installation and disassembly. The working principle is simple and reliable, the manufacturing process has no special requirements, the debugging is simple, the production cost is low, and the series batch production is convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the front self-locking or release mechanism of the present utility model for embedding a front fascia panel.
In the figure: 1. a positioning block; 2. a U-shaped permanent magnet; 3. a DC exciting coil; 4. a ferromagnetic bezel; 5. an ejector spring; 6. a power supply; 7. a power-on switch; 8. an adjustable resistor; 9. end plates.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in FIG. 1, the front-embedded instrument panel front self-locking or detaching mechanism comprises a positioning block 1, wherein a U-shaped permanent magnet 2 is arranged on the positioning block 1; the U-shaped permanent magnet 2 is wound with a direct current exciting coil 3, and after the direct current exciting coil 3 is electrified, magnetic flux opposite to the U-shaped permanent magnet 2 is generated; and a ferromagnetic frame 4 which is arranged on the instrument housing and is attracted with the U-shaped permanent magnet 2; the U-shaped permanent magnet 2 is provided with an ejection spring 5 positioned between the U-shaped permanent magnet 2 and the ferromagnetic frame 4; the DC exciting coil 3 is provided with a power supply 6; and a power switch 7 is connected in series between the direct-current exciting coil 3 and the power supply 6. The ferromagnetic frame 4 on the instrument is attracted by a U-shaped permanent magnet 2, so as to achieve the function of fixing the embedded instrument. An ejection spring 5 is arranged in the U-shaped permanent magnet 2 and the ferromagnetic frame 4, and when the ferromagnetic frame 4 is sucked by the U-shaped permanent magnet 2, the ejection spring 5 is compressed to store energy; a group of direct current excitation coils 3 are wound on the U-shaped permanent magnet 2, and when the direct current excitation coils 3 are electrified, a magnetic field with the polarity opposite to that of the U-shaped permanent magnet 2 is generated by the direct current excitation coils and is used for counteracting the magnetic field of the U-shaped permanent magnet 2, so that the attraction force on the ferromagnetic frame 4 of the embedded instrument is reduced; the ejection spring 5 overcomes the attraction effect of the magnetic field and ejects the embedded instrument; has the characteristics of convenient installation and disassembly. The working principle is simple and reliable, the manufacturing process has no special requirements, the debugging is simple, the production cost is low, and the series batch production is convenient.
An adjustable resistor 8 is connected in series between the direct-current exciting coil 3 and the energizing switch 7; the magnitude of the current flowing into the direct current exciting coil 3 is adjusted so as to be used for adjusting the magnitude of the reverse magnetic flux to achieve the optimal working state.
Wherein, both ends of the ejection spring 5 are provided with end plates 9, and one end plate 9 is fixed with the outer side of the DC exciting coil 3 through a fixing adhesive layer. The end plate 9 is made of an insulating material; the ejection spring 5 is convenient to install, and meanwhile, the ejection spring 5 has larger contact area with the direct-current excitation coil 3 and the ferromagnetic frame 4, and the direct-current excitation coil 3 and the ferromagnetic frame 4 are not easy to damage in a compressed state.
Wherein, the switch 7 is a key hole type click switch, and a key hole type click switch 'K' is controlled. When the special key is inserted into the key hole to rotate, the coil is energized and excited, and the instrument pops up to play a role in unlocking.
The ferromagnetic frame 4 is attracted with the U-shaped permanent magnet 2, and the ejection spring is in a compression state.
When in operation, the U-shaped permanent magnet 2 attracts the ferromagnetic frame 4 on the instrument, thereby achieving the function of fixing the embedded instrument. An ejection spring 5 is arranged in the U-shaped permanent magnet 2 and the ferromagnetic frame 4, and when the ferromagnetic frame 4 is sucked by the U-shaped permanent magnet 2, the ejection spring 5 is compressed to store energy; a group of direct current excitation coils 3 are wound on the U-shaped permanent magnet 2, and when the direct current excitation coils 3 are electrified, a magnetic field with the polarity opposite to that of the U-shaped permanent magnet 2 is generated by the direct current excitation coils and is used for counteracting the magnetic field of the U-shaped permanent magnet 2, so that the attraction force on the ferromagnetic frame 4 of the embedded instrument is reduced; the ejection spring 5 overcomes the attraction effect of the magnetic field and ejects the embedded instrument; has the characteristics of convenient installation and disassembly. The working principle is simple and reliable, the manufacturing process has no special requirements, the debugging is simple, the production cost is low, and the series batch production is convenient.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The front self-locking or detaching mechanism of the embedded instrument board in front of the board is characterized by comprising a positioning block (1), wherein a U-shaped permanent magnet (2) is arranged on the positioning block (1); the U-shaped permanent magnet (2) is wound with a direct current exciting coil (3), and after the direct current exciting coil (3) is electrified, magnetic flux opposite to the U-shaped permanent magnet (2) is generated; the ferromagnetic frame (4) is arranged on the instrument shell and attracted with the U-shaped permanent magnet (2); an ejection spring (5) positioned between the U-shaped permanent magnet (2) and the ferromagnetic frame (4) is arranged on the U-shaped permanent magnet (2); the DC exciting coil (3) is provided with a power supply (6); and a power-on switch (7) is connected in series between the direct-current exciting coil (3) and the power supply (6).
2. The front-panel embedded instrument panel front self-locking or detaching mechanism according to claim 1, wherein an adjustable resistor (8) is connected in series between the direct-current exciting coil (3) and the energizing switch (7).
3. The front-embedded instrument panel front self-locking or detaching mechanism according to claim 1, wherein end plates (9) are arranged at two ends of the ejection spring (5), and one end plate (9) is fixed with the outer side of the direct-current excitation coil (3) through a fixing adhesive layer.
4. A front fascia-embedded front self-locking or detaching mechanism according to claim 3, wherein the end plate (9) is of an insulating material.
5. The front-panel embedded instrument panel front self-locking or detaching mechanism according to claim 1, wherein the energizing switch (7) is a key-hole type click switch.
6. The front-panel embedded front self-locking or detaching mechanism according to claim 1, wherein the ferromagnetic frame (4) is engaged with the U-shaped permanent magnet (2), and the ejection spring is in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320858451.3U CN219345152U (en) | 2023-04-18 | 2023-04-18 | Front self-locking or detaching mechanism for embedded instrument board in front of board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320858451.3U CN219345152U (en) | 2023-04-18 | 2023-04-18 | Front self-locking or detaching mechanism for embedded instrument board in front of board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219345152U true CN219345152U (en) | 2023-07-14 |
Family
ID=87099435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320858451.3U Active CN219345152U (en) | 2023-04-18 | 2023-04-18 | Front self-locking or detaching mechanism for embedded instrument board in front of board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219345152U (en) |
-
2023
- 2023-04-18 CN CN202320858451.3U patent/CN219345152U/en active Active
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