CN114583474B - Ground wire electromagnetic lock - Google Patents
Ground wire electromagnetic lock Download PDFInfo
- Publication number
- CN114583474B CN114583474B CN202210233887.3A CN202210233887A CN114583474B CN 114583474 B CN114583474 B CN 114583474B CN 202210233887 A CN202210233887 A CN 202210233887A CN 114583474 B CN114583474 B CN 114583474B
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- base
- mounting
- electromagnetic lock
- mounting hole
- groove
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- 238000007789 sealing Methods 0.000 claims abstract description 70
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 23
- 238000009434 installation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The application relates to a ground wire electromagnetic lock, which comprises a base, a shell and an electromagnetic lock body, wherein the shell comprises a protective shell and a bin cover, the protective shell and the base form a lock cavity, the electromagnetic lock body is arranged in the lock cavity, and the bin cover and the base form a wiring cavity; the wiring cavity is internally provided with a mounting seat, the side wall of the mounting seat is provided with a mounting groove, the mounting groove is provided with a wiring terminal, the bottom wall of the wiring cavity is provided with a waterproof joint communicated with the external environment, and the waterproof joint is provided with a shutoff valve; the bottom wall of the lock body cavity is provided with a mounting hole, and the base is provided with a sealing mechanism for sealing the mounting hole. The method has the effect of high safety and reliability.
Description
Technical Field
The application relates to the field of ground wire electromagnetic locks, in particular to a ground wire electromagnetic lock.
Background
The ground wire electromagnetic lock is a grounding locking device widely used in transformer substations and power plants at present, an operator inserts a ground wire head into the ground wire electromagnetic lock during working, and the ground of maintenance equipment or circuits and the locking of the ground wire are realized through the electromagnetic lock so as to prevent the ground wire from being hung and detached by mistake, thereby ensuring the personal safety of the operator, and therefore, the reliability of the ground wire electromagnetic lock is very important.
When the traditional ground wire electromagnetic lock is used in a dusty and rainy environment, due to the working characteristics of the ground wire electromagnetic lock, when wiring is carried out on a wiring terminal in the protective shell, the protective shell is often required to be opened for convenient operation, and therefore at least one part of the protective shell is required to be set into an active state, so that rainwater and dust are easy to enter the protective shell, and the normal work of the ground wire electromagnetic lock is further affected; meanwhile, in order to match the ground wire head to be stably inserted into the inner side of the protective shell and act with the ground wire electromagnetic lock, a mounting hole needs to be formed in the protective shell, and the risk of rainwater and dust entering the protective shell is increased.
The related art has the defect of low safety and reliability of the ground wire electromagnetic lock.
Disclosure of Invention
In order to solve the problem of low safety reliability of the ground wire electromagnetic lock, the application provides the ground wire electromagnetic lock.
The application provides a ground wire electromagnetic lock adopts following technical scheme:
the ground wire electromagnetic lock comprises a base, a shell and an electromagnetic lock body, wherein the shell comprises a protective shell and a bin cover, the protective shell and the base form a lock cavity, the electromagnetic lock body is arranged in the lock cavity, and the bin cover and the base form a wiring cavity; the wiring cavity is internally provided with a mounting seat, the side wall of the mounting seat is provided with a mounting groove, the mounting groove is provided with a wiring terminal, the bottom wall of the wiring cavity is provided with a waterproof joint communicated with the external environment, and the waterproof joint is provided with a shutoff valve; the bottom wall of the lock body cavity is provided with a mounting hole, and the base is provided with a sealing mechanism for sealing the mounting hole.
By adopting the technical scheme, the wiring terminal is arranged in the mounting groove, when an operator wires the wiring terminal in the wiring cavity, rainwater entering the wiring cavity is discharged outside through the waterproof connector, so that the wiring cavity is in a dry state, and the rainwater is not easy to influence the wiring terminal; after wiring is finished, the waterproof joint is sealed through the shutoff valve, so that dust is not easy to enter the wiring cavity; when the grounding wire head is not needed, the sealing mechanism seals the mounting hole, so that external rainwater and dust are prevented from entering the lock body cavity along the mounting hole to affect normal operation, and the safety and reliability of the ground wire electromagnetic lock are improved.
Optionally, the mounting groove is higher than the bottom wall of the wiring cavity.
Through adopting above-mentioned technical scheme, be higher than the diapire setting of wiring chamber with the mounting groove, make the rainwater that gets into in the wiring chamber be difficult for to cross the mounting groove and lead to the fact the influence to terminal, improved the fail safe nature of ground wire electromagnetic lock.
Optionally, an inclined plane is arranged on one side of the mounting seat away from the mounting groove, and the inner side of the bin cover is clung to one side of the mounting seat away from the mounting groove; the length of the side wall of the mounting groove, which is close to the base, is smaller than the length of the side wall of the mounting groove, which is far away from the base.
By adopting the technical scheme, when the bin cover is opened for wiring, the inclined surface of the mounting seat is beneficial to guiding rainwater to flow out; the two side walls of the mounting groove have a length difference, so that rainwater is not easy to drip into the mounting groove after entering the wiring cavity, and the phenomenon that the normal working of the wiring terminal is influenced due to the fact that the rainwater is splashed onto the wiring terminal after dripping is avoided; when the bin cover is closed, the inclined surface enables rainwater and dust not to easily enter the wiring cavity along a gap between the bin cover and the mounting seat.
Optionally, a base plate is provided on the base, and a positioning groove in butt fit with the base plate is provided on the inner side of the bin cover.
Through adopting above-mentioned technical scheme, the cell wall butt in the backing plate of constant head tank avoids rainwater, dust to get into in the wiring chamber along the clearance between storehouse lid and the base.
Optionally, the bin cover is fixed on the base through a fixing bolt.
Through adopting above-mentioned technical scheme, use fixing bolt to fix the storehouse lid on the base for the storehouse lid is fixed more stable, has strengthened the reliability of ground wire electromagnetic lock.
Optionally, the sealing mechanism includes round pin axle and rotation seat, the round pin axle set firmly in the base deviates from the one side of protecting sheathing, rotation seat swing joint in the round pin axle, be provided with on the rotation seat and be used for sealing the seal assembly of mounting hole.
Through adopting above-mentioned technical scheme, when the ground wire head pulls out the mounting hole, rotate the seat around the round pin axle and rotate, make seal assembly seal the mounting hole, be convenient for seal the mounting hole, save time has improved the operability of ground wire electromagnetic lock.
Optionally, a sliding groove is formed in one side, facing the base, of the rotating seat, and the sealing assembly comprises a mounting disc in sliding fit with the sliding groove and a sliding rod penetrating through the sliding groove, and a sealing plug in embedded fit with the mounting hole is arranged on one side, facing the base, of the mounting disc; one end of the sliding rod is fixedly arranged on one side, deviating from the base, of the mounting plate, and a limiting block is arranged at the other end of the sliding rod.
By adopting the technical scheme, the sealing plug seals the mounting hole, so that rainwater and dust are not easy to enter the lock cavity; the sliding rod and the limiting block enable operators to easily plug and pull the sealing plug, and operability of the ground wire electromagnetic lock is improved.
Optionally, a first ring magnet is disposed at an outer edge of the mounting hole, and a second ring magnet matched with the first ring magnet is disposed at a side of the mounting disc facing the base.
Through adopting above-mentioned technical scheme, first ring magnet and second ring magnet adsorb each other, make sealing plug shutoff in the mounting hole steadily, avoid external rainwater, dust to get into the normal work of electromagnetic lock body along the mounting hole inside influence electromagnetic lock body along the mounting hole, improved the fail safe nature of ground wire electromagnetic lock.
Optionally, a sealing ring is disposed on a side of the second ring magnet facing the base.
Through adopting above-mentioned technical scheme, first ring magnet and second ring magnet adsorb each other to with the sealing washer stable fixation between first ring magnet and second ring magnet, the sealing washer receives the extrusion and warp, avoids external rainwater, dust to get into the inside normal work that influences of electromagnetic lock body along the mounting hole, has improved the leakproofness and the fail safe nature of ground wire electromagnetic lock.
Optionally, a return spring is sleeved on the sliding rod, one end of the return spring is abutted to the mounting plate, and the other end of the return spring is abutted to the bottom wall of the sliding groove.
By adopting the technical scheme, when the ground wire end is needed to be spliced, an operator pulls out the sealing plug by using the limiting block and rotates the rotating seat to enable the sealing plug to be far away from the mounting hole, and the reset spring is in a compressed state; when the ground wire head is not needed to be inserted, the rotary seat is driven to rotate, the sealing plug is enabled to rotate towards the mounting hole, the compressed reset spring drives the mounting disc to move towards the mounting hole, the sealing plug is enabled to be inserted into the mounting hole in a sealing mode, operation of operators is facilitated, and operability and reliability of the ground wire electromagnetic lock are improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rainwater entering the wiring cavity is discharged through the waterproof connector, the wiring cavity is guaranteed to be in a dry state, the sealing valve is arranged to seal the waterproof connector, and the sealing mechanism is arranged to seal the mounting hole, so that the rainwater and dust are not easy to enter the wiring cavity and the lock cavity to influence the normal operation of the ground wire electromagnetic lock, and the safety and reliability of the ground wire electromagnetic lock are improved;
2. the installation groove is arranged higher than the bottom wall of the wiring cavity, so that rainwater entering the wiring cavity is not easy to overflow the installation groove to influence the terminal, and the safety and reliability of the ground wire electromagnetic lock are improved;
3. through sliding tray, mounting disc and slide bar cooperation, the operating personnel of being convenient for carries out plug operation to the sealing plug, makes rainwater and dust be difficult for getting into in the lock body cavity, has improved the operability of ground wire electromagnetic lock.
Drawings
Fig. 1 is a schematic view of a sealing plug according to an embodiment of the present application separated from a mounting hole;
fig. 2 is a schematic structural view of a sealing plug and mounting hole combination according to an embodiment of the present application;
fig. 3 is an enlarged view of a portion a in fig. 2.
Reference numerals illustrate: 1. a base; 11. a mounting hole; 12. a waterproof joint; 13. a backing plate; 2. a protective housing; 21. a lock cavity; 3. a bin cover; 31. a wiring cavity; 32. a positioning groove; 4. a mounting base; 41. a mounting groove; 42. a connection terminal; 43. an inclined surface; 5. a shutoff valve; 6. a fixing bolt; 7. an electromagnetic lock body;
8. a sealing mechanism; 81. a pin shaft; 82. a rotating seat; 821. a sliding groove; 83. a seal assembly; 831. a mounting plate; 832. a slide bar; 833. a limiting block; 834. a sealing plug; 835. a return spring; 84. a first ring magnet; 85. a second ring magnet; 86. and (3) sealing rings.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a ground wire electromagnetic lock.
Referring to fig. 1, the ground wire electromagnetic lock comprises a base 1, a shell and an electromagnetic lock body 7, wherein the shell comprises a protective shell 2 and a bin cover 3, the protective shell 2 and the base 1 form a lock cavity 21, the electromagnetic lock body 7 is fixedly installed in the lock cavity 21, the bin cover 3 and the base 1 form a wiring cavity 31, an installation seat 4 is arranged in the wiring cavity 31, an installation groove 41 is formed in the side wall of the installation seat 4, a wiring terminal 42 is arranged in the installation groove 41, a waterproof joint 12 communicated with the external environment is formed in the bottom wall of the wiring cavity 31, and a shutoff valve 5 is arranged on the waterproof joint 12; the bottom wall of the lock cavity 21 is provided with a mounting hole 11, a ground wire head can be inserted into the mounting hole 11, and the base 1 is provided with a sealing mechanism 8 for sealing the mounting hole 11. When an operator wires the wiring terminal 42 in the wiring cavity 31, rainwater entering the wiring cavity 31 is discharged through the waterproof joint 12, so that the wiring cavity 31 is ensured to be in a dry state, and the rainwater is not easy to influence the wiring terminal 42; after wiring is finished, the waterproof joint 12 is sealed through the shutoff valve 5, so that dust is not easy to enter the wiring cavity 31; when the grounding wire ends are not needed, the sealing mechanism 8 seals the mounting holes 11, so that the influence of external rainwater and dust on normal operation is avoided when the external rainwater and dust enter the lock body cavity 21 along the mounting holes 11, and the safety and reliability of the ground wire electromagnetic lock are improved.
The lock body cavity 21 and the wiring cavity 31 are respectively positioned at two sides of the base 1, the mounting seat 4 and the base 1 are integrally arranged, a plurality of groups of wiring terminals 42 connected with the electromagnetic lock body 7 are arranged in the mounting groove 41 side by side, and the mounting groove 41 is higher than the bottom wall of the wiring cavity 31, so that rainwater entering the wiring cavity 31 is not easy to overflow the mounting groove 41 to affect the wiring terminals 42, and the safety and reliability of the ground wire electromagnetic lock are improved.
Referring to fig. 1, a base plate 13 is provided on a base 1, and a positioning groove 32 in contact with and engaged with the base plate 13 is provided on the inner side of a bin cover 3. Specifically, in this embodiment, the pad 13 is disposed at the edge of the base 1, and the groove wall of the positioning groove 32 abuts against the pad 13, so that the front side of the bin cover 3 is wrapped outside the pad 13, and rainwater and dust are effectively prevented from entering the wiring cavity 31 along the gap between the bin cover 3 and the base 1.
Referring to fig. 1, an inclined surface 43 is provided on a side of the mounting seat 4 facing away from the mounting groove 41, and the inner side of the bin cover 3 is tightly attached to a side of the mounting seat 4 facing away from the mounting groove 41; the length of the side wall of the mounting groove 41 near the base 1 is smaller than the length of the side wall of the mounting groove 41 far from the base 1. Specifically, the inclined surface 43 is arranged obliquely downward, and when the bin cover 3 is opened for wiring, rainwater will flow down along the inclined surface 43; because the two side walls of the mounting groove 41 have the length difference, rainwater is not easy to drop into the mounting groove 41 after entering the wiring cavity 31, so that the phenomenon that the rainwater drops and splashes onto the wiring terminal 42 to influence the normal operation of the wiring terminal 42 is avoided, and the safety and reliability of the ground wire electromagnetic lock are improved; when the cover 3 is closed, the inclined surface 43 makes it difficult for rainwater and dust to enter the wiring cavity 31 along the gap between the cover 3 and the mount 4.
In order to fix the bin cover 3 more stably, the bin cover 3 is fixed on the base 1 through a fixing bolt 6; in this application embodiment, fixing bolt 6 is fixed with storehouse lid 3 and base 1 and mount pad 4, and the storehouse lid 3 after the fixation is hugged closely with protecting sheathing 2, makes rainwater and dust be difficult for getting into in the wiring chamber 31 along the clearance between storehouse lid 3 and the mount pad 4, has strengthened the reliability of ground wire electromagnetic lock.
Referring to fig. 1 and 2, the sealing mechanism 8 includes a pin 81 and a rotating seat 82, the pin 81 is fixed on a side of the base 1 facing away from the protective housing 2, the rotating seat 82 is movably connected to the pin 81, and a sealing component 83 capable of sealing the mounting hole 11 is provided on the rotating seat 82. Specifically, the rotating seat 82 can rotate around the pin shaft 81, when the ground wire head is pulled out of the mounting hole 11, the rotating seat 82 is rotated, so that the sealing assembly 83 seals the mounting hole 11, the mounting hole 11 is conveniently sealed, time is saved, and operability of the ground wire electromagnetic lock is improved.
Referring to fig. 1 and 3, the sealing assembly 83 includes a mounting disc 831 and a sliding rod 832, a sliding groove 821 is formed on one side of the rotating seat 82 facing the base 1, the mounting disc 831 is slidably matched with the sliding groove 821, a sealing plug 834 for being embedded and matched with the mounting hole 11 is fixed on one side of the mounting disc 831 facing the base 1, the sealing plug 834 is embedded and sealed with the mounting hole 11, and rainwater and dust are not easy to enter the lock cavity 21; the sliding rod 832 penetrates through the sliding groove 821, one end of the sliding rod 832 is fixed on one side of the mounting plate 831, which is away from the base 1, and a limiting block 833 is fixed on the other end of the sliding rod 832. In the use process, an operator inserts and withdraws the sealing plug 834 through controlling the limiting block 833, so that the operability of the ground wire electromagnetic lock is improved; the side wall of the mounting disc 831 and the opening of the sliding groove 821 are tightly attached to the base 1, so that external rainwater and dust are not easy to enter the lock body cavity 21 along the mounting hole 11 to affect normal operation, and the safety and reliability of the ground wire electromagnetic lock are improved. Accordingly, in order to make the sealing plug 834 more easily embedded in the mounting hole 11 during rotation, a guiding surface is provided at the opening of the mounting hole 11, and when the rotation seat 82 drives the sealing plug 834 to rotate to the edge of the mounting hole 11, the sealing plug 834 slides into the mounting hole 11 through the guiding surface.
The slide bar 832 is sleeved with a return spring 835, one end of the return spring 835 is abutted against the mounting plate 831, and the other end is abutted against the bottom wall of the slide groove 821. When the ground wire head is required to be plugged, the sealing plug 834 is pulled out by utilizing the limiting block 833, and the rotating seat 82 is rotated to expose the mounting hole 11, so that the reset spring 835 is in a compressed state; when the ground wire head is not needed to be inserted, the rotary seat 82 is driven to rotate, the sealing plug 834 rotates towards the position of the mounting hole 11, the compressed reset spring 835 drives the mounting disc 831 to move towards the direction of the mounting hole 11, the sealing plug 834 and the mounting hole 11 are in sealing insertion connection, operation by operators is facilitated, and operability of the ground wire electromagnetic lock is improved.
Referring to fig. 1 and 3, the outer edge of the mounting hole 11 is provided with a first ring magnet 84, and the mounting plate 831 is provided with a second ring magnet 85 cooperating with the first ring magnet 84 on a side facing the base 1. Specifically, in this embodiment, the first annular groove is formed in the outer edge of the mounting hole 11 of the base 1, the second annular groove opposite to the first annular groove is formed in one side, facing the base 1, of the mounting disc 831, the first annular magnet 84 is fixed in the first annular groove, the second annular magnet 85 is fixed in the second annular groove, and the first annular magnet 84 and the second annular magnet 85 are adsorbed to each other, so that the sealing plug 834 is stably plugged in the mounting hole 11, external rainwater and dust are prevented from entering the lock body cavity 21 along the mounting hole 11 to affect the normal operation of the electromagnetic lock body 7, and the safety and reliability of the ground wire electromagnetic lock are improved.
The second ring magnet 85 is provided with a seal ring 86 on a side facing the base 1. The sealing washer 86 adopts silica gel material, when sealing plug 834 pegged graft in to mounting hole 11, first ring magnet 84 and second ring magnet 85 adsorb each other to with sealing washer 86 stable fixation between first ring magnet 84 and second ring magnet 85, sealing washer 86 receives the extrusion and warp, avoids external rainwater, dust to get into electromagnetic lock body 7 along mounting hole 11 inside influence its normal work, has improved the leakproofness and the fail safe nature of ground wire electromagnetic lock.
The implementation principle of the ground wire electromagnetic lock in the embodiment of the application is as follows: the mounting groove 41 is arranged higher than the base 1, so that rainwater entering the wiring cavity 31 is not easy to overflow the mounting groove 41 to influence the wiring terminal 42; the waterproof connector 12 is arranged in the wiring cavity 31, so that rainwater entering the wiring cavity 31 can be discharged through the waterproof connector 12, and the wiring cavity 31 is ensured to be in a dry state; the inclined surface 43 arranged on the mounting seat 4 and the base plate 13 arranged on the base 1 can effectively prevent rainwater and dust from entering the wiring cavity 31; when the ground wire head is pulled out of the mounting hole 11, the rotary seat 82 is driven to rotate, the sealing plug 834 rotates towards the position of the mounting hole 11, the compressed reset spring 835 drives the mounting disc 831 to move upwards, the sealing plug 834 is in sealing connection with the mounting hole 11, the first annular magnet 84 and the second annular magnet 85 are adsorbed with each other, the sealing silica gel ring is stably fixed between the first annular magnet 84 and the second annular magnet 85, external rainwater and dust are prevented from entering the electromagnetic lock body 7 along the mounting hole 11 to affect normal operation of the electromagnetic lock body, and safety and reliability of the ground wire electromagnetic lock are improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a ground wire electromagnetic lock, includes base (1), casing and electromagnetic lock body (7), its characterized in that: the shell comprises a protective shell (2) and a bin cover (3), the protective shell (2) and the base (1) form a lock cavity (21), the electromagnetic lock body (7) is arranged in the lock cavity (21), and the bin cover (3) and the base (1) form a wiring cavity (31); the wiring cavity (31) is internally provided with a mounting seat (4), the side wall of the mounting seat (4) is provided with a mounting groove (41), the mounting groove (41) is internally provided with a wiring terminal (42), the bottom wall of the wiring cavity (31) is provided with a waterproof joint (12) communicated with the external environment, and the waterproof joint (12) is provided with a shutoff valve (5); the bottom wall of the lock cavity (21) is provided with a mounting hole (11), and the base (1) is provided with a sealing mechanism (8) for sealing the mounting hole (11); the length difference exists between the upper side wall and the lower side wall of the mounting groove (41), and the length of the upper side wall is larger than that of the lower side wall, so that rainwater is not easy to drop into the mounting groove (41) after entering the wiring cavity (31), and the safety and the reliability of the ground wire electromagnetic lock are improved; the sealing mechanism (8) comprises a pin shaft (81) and a rotating seat (82), the pin shaft (81) is fixedly arranged on one side, deviating from the protective housing (2), of the base (1), the rotating seat (82) is movably connected with the pin shaft (81), and a sealing assembly (83) for sealing the mounting hole (11) is arranged on the rotating seat (82); a sliding groove (821) is formed in one side, facing the base (1), of the rotating seat (82), and the sealing assembly (83) comprises a mounting disc (831) in sliding fit with the sliding groove (821) and a sliding rod (832) penetrating through the sliding groove (821); a sealing plug (834) which is in embedded fit with the mounting hole (11) is arranged on one side of the mounting disc (831) facing the base (1); one end of the sliding rod (832) is fixedly arranged on one side of the mounting disc (831) deviating from the base (1), a limiting block (833) is arranged at the other end of the sliding rod (832), a guide surface is arranged at the opening of the mounting hole (11), and when the rotating seat (82) drives the sealing plug (834) to rotate to the edge of the mounting hole (11), the sealing plug (834) slides into the mounting hole (11) through the guide surface, so that the sealing plug (834) is easier to be embedded into the mounting hole (11) in the rotating process;
the outer edge of the mounting hole (11) is provided with a first annular magnet (84), one side of the mounting disc (831) facing the base (1) is provided with a second annular magnet (85) matched with the first annular magnet (84), the outer edge of the mounting hole (11) of the base (1) is provided with a first annular groove, one side of the mounting disc (831) facing the base (1) is provided with a second annular groove which is opposite to the first annular groove, the first annular magnet (84) is fixed in the first annular groove, the second annular magnet (85) is fixed in the second annular groove, and the first annular magnet (84) and the second annular magnet (85) are adsorbed with each other;
the second ring magnet (85) is provided with sealing washer (86) towards one side of base (1), sealing washer (86) adopts silica gel material, works as sealing plug (834) to peg graft in mounting hole (11), first ring magnet (84) with second ring magnet (85) adsorb each other, and will sealing washer (86) stable fixation first ring magnet (84) with between second ring magnet (85), sealing washer (86) receive the extrusion and warp.
2. The ground electromagnetic lock of claim 1, wherein: the mounting groove (41) is higher than the bottom wall of the wiring cavity (31).
3. The ground electromagnetic lock of claim 1, wherein: an inclined surface (43) is arranged on one side, away from the mounting groove (41), of the mounting seat (4), and the inner side of the bin cover (3) is clung to one side, away from the mounting groove (41), of the mounting seat (4); the length of the side wall of the mounting groove (41) close to the base (1) is smaller than the length of the side wall of the mounting groove (41) far away from the base (1).
4. The ground electromagnetic lock of claim 1, wherein: the base (1) is provided with a base plate (13), and the inner side of the bin cover (3) is provided with a positioning groove (32) in abutting fit with the base plate (13).
5. The ground electromagnetic lock of claim 1, wherein: the bin cover (3) is fixed on the base (1) through a fixing bolt (6).
6. The ground wire electromagnetic lock of claim 5, wherein: and a return spring (835) is sleeved on the sliding rod (832), one end of the return spring (835) is abutted against the mounting plate (831), and the other end is abutted against the bottom wall of the sliding groove (821).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210233887.3A CN114583474B (en) | 2022-03-09 | 2022-03-09 | Ground wire electromagnetic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210233887.3A CN114583474B (en) | 2022-03-09 | 2022-03-09 | Ground wire electromagnetic lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114583474A CN114583474A (en) | 2022-06-03 |
| CN114583474B true CN114583474B (en) | 2024-04-09 |
Family
ID=81775354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210233887.3A Active CN114583474B (en) | 2022-03-09 | 2022-03-09 | Ground wire electromagnetic lock |
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| Country | Link |
|---|---|
| CN (1) | CN114583474B (en) |
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| CN102231337A (en) * | 2011-06-13 | 2011-11-02 | 常州市盈能电气有限公司 | Electromagnetic grounding lock |
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| CN214478135U (en) * | 2021-03-19 | 2021-10-22 | 潍坊职业学院 | Socket protection device |
| CN113163648A (en) * | 2021-04-02 | 2021-07-23 | 胡彩侠 | Dustproof device for 5G signal tower |
| CN113280118A (en) * | 2021-06-14 | 2021-08-20 | 中国航发沈阳发动机研究所 | Double-deck quick-witted casket test hole seal structure |
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