CN211700052U - Magnetic attraction type emergency stop button - Google Patents
Magnetic attraction type emergency stop button Download PDFInfo
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- CN211700052U CN211700052U CN202020682533.3U CN202020682533U CN211700052U CN 211700052 U CN211700052 U CN 211700052U CN 202020682533 U CN202020682533 U CN 202020682533U CN 211700052 U CN211700052 U CN 211700052U
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- magnetic
- channel
- stop button
- emergency stop
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Abstract
The utility model discloses a magnetic type emergency stop button, which comprises a key sleeve with a sliding channel, a key shaft, a reset spring and a locking device, wherein one end of the key shaft is arranged in the sliding channel and can slide along the axial direction of the sliding channel, the reset spring is used for resetting the key shaft, and the locking device comprises a first magnetic absorption part arranged at the top of the key sleeve and a second magnetic absorption part arranged on the key shaft; when the first magnetic part is opposite to the second magnetic part in opposite polarity, the key shaft is pressed down to lock the key shaft; and rotating the key shaft to enable the first magnetic part and the second magnetic part to be opposite in homopolar, and popping and unlocking the key shaft. The utility model provides a formula scram button is inhaled to magnetism adopts the heteropolar looks of permanent magnet to inhale and carries out the locking, and rotatory magnetic pole makes homopolar repulsion unblock, simple structure, and the installation is maintained conveniently, and processing is convenient, greatly the cost is reduced.
Description
Technical Field
The utility model relates to a mining flame-proof type button switch technical field, concretely relates to formula emergency stop button is inhaled to magnetism.
Background
The equipment is operated in a coal mine explosive environment, and in order to operate and control the equipment, an operation button needs to be arranged on an electric cabinet of the equipment, and the button device is required to meet related explosion-proof safety standards.
The existing non-explosion-proof emergency stop button cannot be arranged on an explosion-proof shell, and the common explosion-proof emergency stop button is complex in structure, large in size and inconvenient to install and maintain. The mechanical locking mechanism is adopted, the processing difficulty is high, the current production process can only be processed by manufacturing a die or adopting a 6-axis processing center, the cost is high, and the mechanical locking mechanism cannot be popularized.
In view of this, it is necessary to provide a new flameproof emergency stop button to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a formula scram button is inhaled to magnetism adopts the heteropolar looks of permanent magnet to inhale and carries out the locking, and rotatory magnetic pole makes homopolar repulsion unblock, simple structure, and the installation is maintained conveniently, and processing is convenient, greatly the cost is reduced.
In order to solve the above problem, the technical scheme of the utility model is as follows:
a magnetic type emergency stop button comprises a key sleeve with a sliding channel, a key shaft, a reset spring and a locking device, wherein one end of the key shaft is arranged in the sliding channel and can slide along the axial direction of the sliding channel;
the first magnetic part comprises at least one group of first magnetic pole groups, and each first magnetic pole group comprises two adjacent magnetic blocks with opposite magnetic poles;
the second magnetic part comprises at least one group of second magnetic pole groups, and each second magnetic pole group comprises two adjacent magnetic blocks with opposite magnetic poles; the magnetic blocks of the first magnetic pole group correspond to the magnetic blocks of the second magnetic pole group one by one, and the magnetic poles of the magnetic blocks at the corresponding positions of the first magnetic pole group and the second magnetic pole group are opposite.
Further, the first magnetic part comprises two sets of first magnetic pole groups which are arranged oppositely, and the second magnetic part comprises two sets of second magnetic pole groups which are arranged oppositely.
Further, the central angle of the two magnetic blocks of each of the first magnetic pole group and the second magnetic pole group is 20-30 degrees.
Furthermore, the first magnetic part and the second magnetic part are respectively embedded in the key sleeve and the key shaft.
Further, the sliding channel comprises a first channel and a second channel which are communicated with each other, and the diameter of the first channel is larger than that of the second channel;
correspondingly, the key shaft comprises a first shaft section and a second shaft section which are connected with each other, and a key cap connected with the first shaft section, wherein the diameter of the first shaft section is matched with that of the first channel, and the diameter of the second shaft section is matched with that of the second channel.
Furthermore, the return spring is sleeved on the second shaft section and positioned in the first channel, one end of the return spring is connected with the first shaft section, and the other end of the return spring is connected with the bottom of the first channel.
Further, the second channel comprises a copper sleeve matched with the diameter of the second shaft section, and the second shaft section can slide along the axial direction of the copper sleeve.
Furthermore, the key shaft also comprises a limiting part arranged at the bottom of the key shaft and used for limiting the rebound stroke of the key shaft.
Further, the limiting portion is a limiting clamp spring, and the diameter of the limiting clamp spring is larger than that of the second channel.
Further, the magnetic block is a permanent magnet.
Compared with the prior art, the utility model provides a formula emergency stop button is inhaled to magnetism, beneficial effect lies in:
the magnetic type emergency stop button provided by the utility model adopts the heteropolar attraction of the permanent magnet for locking, and the rotating magnetic poles enable homopolar repulsion for unlocking, so that the structure is simple, the processing is convenient, the installation and the maintenance are convenient, and the cost is greatly reduced; the volume is small, the explosion-proof shell can be installed as a common button, and the use is convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of one of the using states of the magnetic-type emergency stop button provided by the present invention;
FIG. 2 is a schematic diagram of an alternate use of the magnetic-type emergency stop button of FIG. 1;
FIG. 3 is a schematic diagram illustrating a position of a first magnetic attraction portion of the magnetic-attraction type scram button shown in FIG. 1;
FIG. 4 is a schematic diagram of a second magnetic attraction portion of the magnetic-attraction type scram button shown in FIG. 1;
FIG. 5 is a schematic diagram of a position of a first magnetic attraction portion of the magnetic-attraction type scram button shown in FIG. 2;
fig. 6 is a schematic position diagram of a second magnetic attraction part in the magnetic attraction type emergency stop button shown in fig. 2.
Detailed Description
In order to make the technical solution in the embodiments of the present invention better understood and make the above objects, features and advantages of the present invention more obvious and understandable, the following description of the embodiments of the present invention is provided with reference to the accompanying drawings.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of one of the using states of the magnetic-type emergency stop button provided by the present invention; FIG. 2 is a schematic diagram of another use state of the magnetic-type emergency stop button shown in FIG. 1. The utility model discloses a formula scram button 100 is inhaled to magnetism includes key sleeve 1, key shaft 2, reset spring 3, locking device 4.
The key sleeve 1 comprises a body 11 and a sliding channel 12 penetrating through the top surface and the bottom surface of the body 11, and one end of the key shaft 2 is arranged in the sliding channel 12 and can slide along the axial direction of the sliding channel 12.
In the present embodiment, the cross section of the slide passage 12 is circular, and correspondingly, the cross section of the portion of the key shaft 2 provided in the slide passage 12 is also circular. The sliding channel 12 includes a first channel 121 and a second channel 122 that are interconnected, wherein the first channel 121 has a diameter larger than the second channel 122.
Preferably, second passageway 122 still includes a copper sheathing 1221, makes the utility model discloses a formula scram button 100 is inhaled to magnetism satisfy the explosion-proof requirement of GB 3836.1-2010.
The key shaft 2 includes a first shaft section 21 and a second shaft section 22 connected to each other, and a key cap 23 connected to the first shaft section 21. The first shaft section 21 and the second shaft section 22 are both circular in cross-sectional shape corresponding to the shape of the slide channel 1, and the diameter of the second shaft section 22 is smaller than the diameter of the first shaft section 21. By making the size of the key cap 23 larger than the diameter of the first shaft section 21, the pressing at the time of operation is facilitated.
The diameter of the first shaft section 21 is matched with the diameter of the first channel 121, and the diameter of the second shaft section 22 is matched with the diameter of the second channel 122, so that the problems of deviation and the like do not occur when the key shaft 2 slides along the axial direction of the sliding channel 1. Where the second passage 122 includes an internal copper sleeve, the diameter of the second shaft section 22 matches the internal diameter of the copper sleeve 123.
The reset spring 3 is sleeved outside the key shaft 2 and used for resetting the key shaft 2, specifically, the reset spring 3 is sleeved outside the second shaft section 22, one end of the reset spring is connected with the first shaft section 21, the other end of the reset spring is connected with the bottom of the first channel 121, and the reset spring 3 is arranged in the first channel 121. When the key shaft 2 is in the locked state, the first shaft section 21 is completely positioned in the first channel 121, and the return spring 3 is compressed; when the key shaft 2 is in the spring-open unlocking state, the first shaft section 21 is partially located outside the first channel 121, and the return spring 3 is stretched.
The locking device 4 is a magnetic attraction type locking device, and includes a first magnetic attraction part 41 arranged at the top of the key sleeve 1 and a second magnetic attraction part 42 arranged on the key shaft 2, and the first magnetic attraction part 41 corresponds to the second magnetic attraction part 42.
The first magnetic part 41 includes at least one first magnetic pole group 411, and each first magnetic pole group 411 includes two magnetic blocks with opposite magnetic poles and disposed adjacently. Preferably, the magnetic blocks of the first magnetic pole group 411 are embedded in the body 11 of the key sleeve 1, and the end surfaces of the magnetic blocks are flush with the top surface of the body 11.
The second magnetic attraction portion 42 includes at least one second magnetic pole group 421, and each second magnetic pole group 421 includes two magnetic blocks arranged adjacently and having opposite magnetic poles. Preferably, the magnetic blocks of the second magnetic pole group 421 are embedded in the bottom of the key cap 23, and the magnetic blocks are flush with the bottom surface of the key cap 23.
The magnetic blocks of the first magnetic pole group 411 correspond to the magnetic blocks of the second magnetic pole group 421 one by one, and the magnetic poles of the magnetic blocks at the corresponding positions of the first magnetic pole group 411 and the second magnetic pole group 421 are opposite.
The utility model discloses in, first magnetic pole group 41 and second magnetic pole group 42 can be a set of, also can be two sets of, three groups or four groups, when quantity is two sets of, or when more than two sets of, more inseparabler with the binding face of button cover 1 when key shaft 2 is in locking state.
The following is a detailed description of the structure of the two first magnetic pole groups 411 and the two second magnetic pole groups 421.
Please refer to fig. 3-6, wherein fig. 3 is a schematic position diagram of the first magnetic attraction portion of the magnetic attraction type emergency stop button shown in fig. 1; FIG. 4 is a schematic diagram of a second magnetic attraction portion of the magnetic-attraction type scram button shown in FIG. 1; FIG. 5 is a schematic diagram of a position of a first magnetic attraction portion of the magnetic-attraction type scram button shown in FIG. 2; fig. 6 is a schematic position diagram of a second magnetic attraction part in the magnetic attraction type emergency stop button shown in fig. 2. The two first magnetic pole groups 411 are arranged oppositely, and the two second magnetic pole groups 421 are arranged oppositely. For convenience of description, the four magnetic blocks of the first magnetic pole group 411 are respectively denoted as a magnetic block a412, a magnetic block b 413, a magnetic block c414, and a magnetic block d 415; correspondingly, the four magnetic blocks of the second magnetic pole group 421 are respectively denoted as magnetic block a422, magnetic block B423, magnetic block C424, and magnetic block D425.
The magnetic pole of the magnetic block a412 is an N pole, the magnetic pole of the magnetic block b 413 is an S pole, the magnetic pole of the magnetic block c414 is an N pole, and the magnetic pole of the magnetic block d415 is an S pole;
the magnetic pole of magnetic block A422 is S pole, the magnetic pole of magnetic block B423 is N pole, the magnetic pole of magnetic block C424 is S pole, and the magnetic pole of magnetic block D425 is N pole.
When the key shaft 2 is in the locked state, magnetic block a412 is arranged opposite to magnetic block A422, magnetic block B413 is arranged opposite to magnetic block B423, magnetic block C414 is arranged opposite to magnetic block C424, and magnetic block D415 is arranged opposite to magnetic block D425. The first magnetic pole group 41 and the second magnetic pole group 42 have opposite poles, and the key shaft 2 can be locked by pressing the key shaft due to the attraction of the opposite poles of the magnetic poles, as shown in fig. 2.
The key shaft 2 is rotated to enable the magnetic block B423 and the magnetic block a412 to be arranged oppositely, the magnetic block D425 and the magnetic block c414 to be arranged oppositely, the same poles of the first magnetic pole group 41 and the second magnetic pole group 42 are opposite, the key shaft 2 bounces off under the action of repulsion of the same poles, and the reset spring 3 rebounds the key shaft 2 to the initial position, as shown in FIG. 1.
In the process of springing the key shaft 2 open, in order to avoid the key shaft 2 from being separated from the sliding track of the sliding channel 12 under the action of a large magnetic force, preferably, a limiting part 5 for limiting the springback stroke of the key shaft is arranged at the bottom of the second shaft section 22, and preferably, the limiting part 5 is a limiting snap spring. The limiting clamp spring is clamped on the second shaft section, and the diameter of the limiting clamp spring is larger than that of the second channel 122.
In this embodiment, the key shaft 2 rotates clockwise and rotates 25 °. In practical application, the positions of two adjacent magnetic blocks in the first magnetic pole group and the second magnetic pole group can be set according to practical conditions, so that the central angle of the two adjacent magnetic blocks can be 20-30 degrees, namely the rotation angle of the key shaft is 20-30 degrees, and the interval between the two magnetic blocks can be adjusted to be larger, such as 30-60 degrees. In operation, in addition to clockwise rotation, a counterclockwise rotation may also be used.
The utility model discloses in, used magnetic path is the permanent magnet, and the shape of magnetic path is circular.
The utility model provides a formula scram button is inhaled to magnetism, the theory of operation as follows:
rotating the key shaft 2 to enable the first magnetic pole group 411 and the second magnetic pole group 421 to have opposite poles, namely, the magnetic block a412 is arranged opposite to the magnetic block A422, the magnetic block B413 is arranged opposite to the magnetic block B423, the magnetic block C414 is arranged opposite to the magnetic block C424, the magnetic block D415 is arranged opposite to the magnetic block D425, pressing the key shaft 2, and locking the key shaft 2 under the action of opposite pole attraction;
when the key shaft 2 is rotated to make the first magnetic pole group 411 and the second magnetic pole group 421 opposite to each other in the same polarity, that is, the magnetic block B423 and the magnetic block a412 are opposite to each other, and the magnetic block D425 and the magnetic block c414 are opposite to each other, the key shaft 2 is bounced to unlock under the action of repulsion of the same poles.
The magnetic type emergency stop button provided by the utility model adopts the heteropolar attraction of the permanent magnet for locking, and the rotating magnetic poles enable homopolar repulsion for unlocking, so that the structure is simple, the processing is convenient, the installation and the maintenance are convenient, and the cost is greatly reduced; the volume is small, the explosion-proof shell can be installed as a common button, and the use is convenient.
It should be noted that the utility model provides a formula scram button is inhaled to magnetism can also be used for other technical field except being used for the flame proof casing.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (10)
1. A magnetic type emergency stop button is characterized by comprising a key sleeve with a sliding channel, a key shaft, a reset spring and a locking device, wherein one end of the key shaft is arranged in the sliding channel and can slide along the axial direction of the sliding channel;
the first magnetic part comprises at least one group of first magnetic pole groups, and each first magnetic pole group comprises two adjacent magnetic blocks with opposite magnetic poles;
the second magnetic part comprises at least one group of second magnetic pole groups, and each second magnetic pole group comprises two adjacent magnetic blocks with opposite magnetic poles; the magnetic blocks of the first magnetic pole group correspond to the magnetic blocks of the second magnetic pole group one by one, and the magnetic poles of the magnetic blocks at the corresponding positions of the first magnetic pole group and the second magnetic pole group are opposite.
2. A magnetic-type emergency stop button according to claim 1, wherein the first magnetic-attraction portion comprises two sets of oppositely disposed first magnetic pole groups, and the second magnetic-attraction portion comprises two sets of oppositely disposed second magnetic pole groups.
3. The magnetically-attracted emergency stop button of claim 1, wherein the two magnetic block center angles of each of the first and second magnetic pole groups are 20-30 °.
4. The magnetic-type emergency stop button according to claim 1, wherein the first magnetic-type attracting portion and the second magnetic-type attracting portion are respectively embedded in the key sleeve and the key shaft.
5. The magnetically-attractable emergency stop button of claim 1, wherein the sliding channel comprises a first channel and a second channel communicating with each other, the first channel having a diameter greater than a diameter of the second channel;
correspondingly, the key shaft comprises a first shaft section and a second shaft section which are connected with each other, and a key cap connected with the first shaft section, wherein the diameter of the first shaft section is matched with that of the first channel, and the diameter of the second shaft section is matched with that of the second channel.
6. The magnetically-actuated emergency stop button according to claim 5, wherein the return spring is sleeved on the second shaft section and located in the first channel, and one end of the return spring is connected with the first shaft section, and the other end of the return spring is connected with the bottom of the first channel.
7. The magnetically-attractable emergency stop button of claim 5, wherein the second channel comprises a copper sleeve matching a diameter of the second shaft segment, the second shaft segment being slidable in an axial direction of the copper sleeve.
8. The magnetic-type emergency stop button according to claim 5, wherein the key shaft further comprises a limiting portion disposed at the bottom thereof for limiting the rebound stroke of the key shaft.
9. The magnetic-type emergency stop button according to claim 8, wherein the limiting portion is a limiting snap spring, and the diameter of the limiting snap spring is larger than that of the second channel.
10. The magnetic-type emergency stop button according to any one of claims 1 to 9, wherein the magnetic block is a permanent magnet, and the cross-sectional shape of the magnetic block is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682533.3U CN211700052U (en) | 2020-04-28 | 2020-04-28 | Magnetic attraction type emergency stop button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682533.3U CN211700052U (en) | 2020-04-28 | 2020-04-28 | Magnetic attraction type emergency stop button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211700052U true CN211700052U (en) | 2020-10-16 |
Family
ID=72783407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020682533.3U Active CN211700052U (en) | 2020-04-28 | 2020-04-28 | Magnetic attraction type emergency stop button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211700052U (en) |
-
2020
- 2020-04-28 CN CN202020682533.3U patent/CN211700052U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Magnetic emergency stop button Effective date of registration: 20210104 Granted publication date: 20201016 Pledgee: China Construction Bank Co.,Ltd. Lianyuan sub branch Pledgor: HUNAN CHUANGAN FLAMEPROOF ELECTRICAPPLIANCES Co.,Ltd. Registration number: Y2020430000059 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211202 Granted publication date: 20201016 Pledgee: China Construction Bank Co.,Ltd. Lianyuan sub branch Pledgor: HUNAN CHUANGAN FLAMEPROOF ELECTRICAPPLIANCES Co.,Ltd. Registration number: Y2020430000059 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |