CN213774869U - Safety interlocking mechanism of mining explosion-proof cabinet - Google Patents

Safety interlocking mechanism of mining explosion-proof cabinet Download PDF

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Publication number
CN213774869U
CN213774869U CN202022184058.XU CN202022184058U CN213774869U CN 213774869 U CN213774869 U CN 213774869U CN 202022184058 U CN202022184058 U CN 202022184058U CN 213774869 U CN213774869 U CN 213774869U
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cabinet
cabinet door
screw rod
lock
supporting platform
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Chinese (zh)
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刘忠
刘屹东
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Zhangjiagang Shengheng Machinery Equipment Manufacturing Co ltd
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Zhangjiagang Shengheng Machinery Equipment Manufacturing Co ltd
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Abstract

The utility model discloses a safety interlocking mechanism of mining flame proof cabinet, include: the cabinet body and cabinet door, establish on the cabinet side wall, the under bracing platform, on, the down swivel mount is placed respectively on, on the under bracing platform, on, the down swivel mount is fixed with the cabinet door mutually respectively, on, wear to be equipped with the vertical axis on the under bracing platform, on, the down swivel mount is fixed with the vertical axis mutually respectively, be equipped with eccentric articulated lifting wheel on the up swivel mount, be equipped with the handle on the lifting wheel, be equipped with locked groove and first lock tooth on the inboard of cabinet door, be equipped with latch hook and second lock tooth on the cabinet body opening border, be equipped with the blend stop on the lower extreme of vertical axis, be equipped with the holding tank on the under bracing platform, be equipped with the sleeve pipe of threaded connection screw rod on the lateral wall of the cabinet body, be equipped with the drive head on the screw rod outer end, be equipped with spacing cover on the cabinet door border, be equipped with the operating handle on the cabinet side wall of terminal department in the screw rod, be equipped with the lock dish of taking the breach on the operating handle hand. The safety interlocking mechanism of the mining explosion-proof cabinet can ensure that the opening and closing of the cabinet door and the on-off of the mining explosion-proof cabinet are electrically interlocked.

Description

Safety interlocking mechanism of mining explosion-proof cabinet
Technical Field
The utility model relates to a mining flame proof cabinet, concretely relates to safety interlocking mechanism of mining flame proof cabinet.
Background
The mining explosion-proof cabinet is used under a mine, so that the mining explosion-proof cabinet needs to have a high explosion-proof grade, but the opening and closing of the door of the existing mining explosion-proof cabinet are not interlocked with the power on and off of the mining explosion-proof cabinet, so that inflammable gas in the mine is easily ignited by electric sparks in the cabinet body when the door of the existing mining explosion-proof cabinet is opened or the door of the existing mining explosion-proof cabinet is powered on under the condition that the power is not turned off, and explosion is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the safety interlocking mechanism of the mining explosion-proof cabinet can ensure that the opening and closing of the cabinet door and the on-off electricity of the mining explosion-proof cabinet are interlocked.
In order to solve the above problem, the utility model discloses the technical scheme who adopts does: safety interlocking mechanism of mining flame proof cabinet includes: the cabinet body and cabinet door, the vertical side opening who is used for the closed cabinet body in one side of the cabinet body of installing of cabinet door, its characterized in that: an upper supporting platform and a lower supporting platform are arranged on the side wall of the cabinet body, an upper swivel base is placed on the upper supporting platform, a lower swivel base is placed on the lower supporting platform, the upper swivel base and the lower swivel base are respectively fixed with the same side of the cabinet door, a vertical shaft is arranged between the upper supporting platform and the lower supporting platform, the upper end of the vertical shaft upwards sequentially penetrates through the upper supporting platform and the upper swivel base, the lower end of the vertical shaft downwards sequentially penetrates through the lower swivel base and the lower supporting platform, the upper swivel base and the lower swivel base are respectively fixed with the vertical shaft, so that the upper supporting platform and the lower supporting platform can support the cabinet door through the upper swivel base and the vertical shaft, the cabinet door can also be opened in a rotating manner, a lifting wheel surface is arranged on the upper swivel base and abuts against a lifting wheel on the upper supporting platform, the lifting wheel is eccentrically hinged on the upper swivel base, a handle is fixed on the lifting wheel, the lifting wheel can upwards abut against the upper supporting platform after the lifting wheel is upwards swung by driving the handle through external force, at the moment, the upper and lower rotary seats, the vertical shaft and the cabinet door can move upwards together under the drive of the lifting wheel, a lock groove and a first lock tooth are arranged on the inner side of the cabinet door, a lock hook and a second lock tooth are arranged on the opening edge of the cabinet body, the cabinet door can be hooked in the lock groove through the lock hook when closed, the second lock tooth blocks the outer side of the first lock tooth to be locked on the cabinet body, after the cabinet door is driven to move upwards, the lock groove can move upwards to be separated from the lock hook, the first lock tooth can move upwards to be staggered from the second lock tooth, so that the cabinet door is not blocked by the second lock tooth, the cabinet door is in an unlocking state and can be rotated to be opened, a barrier strip is arranged on the lower end of the vertical shaft, an accommodating groove capable of accommodating the barrier strip is arranged on the lower support platform, when the cabinet door is closed and locked, the barrier strip falls into the accommodating groove, after the cabinet door is moved upwards to be unlocked, the barrier strip can leave the accommodating groove under the drive of the vertical shaft, then when the lifting wheel is opened along with the rotation of the cabinet door and can not abut against the upper supporting table, the barrier strip can prevent the cabinet door from falling down by abutting against the lower supporting table, the side wall of the cabinet body is also provided with a sleeve, a screw rod horizontally arranged is in threaded connection with the sleeve, the outer end of the screw rod is provided with a driving head capable of driving the screw rod to rotate by a tool, the edge of the cabinet door at the outer end of the screw rod is fixed with a limit sleeve, the outer end of the screw rod is inserted into the limit sleeve, so that the cabinet door can not be unlocked by upward movement, the side wall of the cabinet body at the inner end of the screw rod is provided with an operating handle, the electric elements in the cabinet body can be switched on or off by rotating the operating handle, the operating handle is provided with a lock disc, the edge of the lock disc is provided with a gap capable of inserting the inner end of the screw rod, when the operating handle rotates to the power-on position in the cabinet body, the lock dish border can block screw rod inner, make the screw rod can't be driven rotatory inwards to remove, thereby make the screw rod outer end can't leave the stop collar, the cabinet door just can't be by the unblock like this, so that the cabinet door is opened when preventing internal circular telegram of cabinet, when the rotatory outage position that makes the internal outage of cabinet of operating handle, the breach on the lock dish border can just in time rotate to relative with screw rod inner, make the screw rod can be through inserting in the breach and can be driven rotatory inwards to remove, thereby make the screw rod outer end can leave the stop collar, only can just so be opened by the unblock at the internal circular telegram back cabinet door of cabinet, the screw rod can make the operating handle can't rotate after inserting into the breach, thereby can't the circular telegram in making the cabinet body.
Further, the safety interlocking mechanism of the mining explosion-proof cabinet comprises: an auxiliary table which can be abutted by the lifting wheel when the handle swings downwards is arranged on the side wall of the cabinet body above the lifting wheel.
Further, the safety interlocking mechanism of the mining explosion-proof cabinet comprises: the lower support platform is provided with a stop post which can be used for the lower rotary seat to abut against and limit the door opening angle of the cabinet door.
Further, the safety interlocking mechanism of the mining explosion-proof cabinet comprises: the driving head is a triangular head.
Further, the safety interlocking mechanism of the mining explosion-proof cabinet comprises: the first locking tooth and the second locking tooth are provided in plurality and respectively correspond to each other one by one.
The utility model has the advantages that: the safety interlocking mechanism of the mining explosion-proof cabinet can enable the opening and closing of the cabinet door and the on-off electricity of the mining explosion-proof cabinet to be interlocked, so that the cabinet door of the mining explosion-proof cabinet cannot be unlocked and opened under the condition of no power failure, the cabinet door can only be unlocked and opened after the power failure in the cabinet body, the cabinet body cannot be electrified when the cabinet door is opened, and the cabinet body can only be electrified after the cabinet door is closed and locked, the inner end of the screw rod exits from the notch and the outer end of the screw rod is inserted into the limiting sleeve.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a direction of a safety interlocking mechanism of a mining explosion-proof cabinet when a cabinet door is closed.
FIG. 2 is a schematic view of the three-dimensional structure of the safety interlocking mechanism of the mining explosion-proof cabinet in another direction when the cabinet door is closed.
FIG. 3 is a three-dimensional structure schematic diagram of a direction of the safety interlocking mechanism of the mining explosion-proof cabinet when the cabinet door moves upwards to unlock.
FIG. 4 is the perspective structure schematic diagram of another direction of the safety interlocking mechanism of the mining explosion-proof cabinet when the cabinet door moves upwards to unlock.
FIG. 5 is a schematic view of the three-dimensional structure of a direction of the safety interlocking mechanism of the mining explosion-proof cabinet when the cabinet door is opened.
FIG. 6 is a schematic view of the three-dimensional structure of the safety interlocking mechanism of the mining explosion-proof cabinet in another direction when the cabinet door is opened.
Fig. 7 is an enlarged schematic view of a portion a in fig. 6.
Fig. 8 is an enlarged schematic view of the structure at B in fig. 6.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8, the safety interlocking mechanism of the mining explosion-proof cabinet includes: the cabinet comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet door 2 is vertically arranged at one side of the cabinet body 1 and used for sealing a side opening of the cabinet body 1, an upper supporting platform 3 and a lower supporting platform 4 are arranged on the side wall of the cabinet body 1, an upper rotary seat 5 is placed on the upper supporting platform 3, a lower rotary seat 6 is placed on the lower supporting platform 4, the upper rotary seat 5 and the lower rotary seat 6 are respectively fixed with the same side of the cabinet door 2, a vertical shaft 7 is arranged between the upper supporting platform 3 and the lower supporting platform 4, the upper end of the vertical shaft 7 upwards sequentially penetrates through the upper supporting platform 3 and the upper rotary seat 5, the lower end of the vertical shaft 7 downwards sequentially penetrates through the lower rotary seat 6 and the lower supporting platform 4, the upper rotary seat 5 and the lower rotary seat 6 are respectively fixed with the vertical shaft 7, so that the upper supporting platform 3 and the lower supporting platform 4 can pass through the upper rotary seat 5, the 6 and the vertical shaft 7 to support the cabinet door 2 and enable the cabinet door 2 to be rotatably opened, a wheel surface is arranged on the upper rotating seat 5 and is abutted against a lifting wheel 8 on the upper supporting table 3, the lifting wheel 8 is eccentrically hinged on the upper rotating seat 5, a handle 81 is fixed on the lifting wheel 8, the handle 81 is driven by external force to swing upwards to enable the lifting wheel 8 to be abutted against the upper supporting table 3 to turn upwards, at the moment, the upper rotating seat 5, the lower rotating seat 6, the vertical shaft 7 and the cabinet door 2 can move upwards together under the driving of the lifting wheel 8, after the external force is removed, the cabinet door 2 can move downwards under the action of self weight to reset, the handle 81 can swing downwards, a locking groove 9 and a first locking tooth 91 are arranged on the inner side of the cabinet door 2, a locking hook 92 and a second locking tooth 93 are arranged on the opening edge of the cabinet body 1, when the cabinet door 2 is closed, the locking hook 92 can be hooked in the locking groove 9, the second locking tooth 93 is blocked outside the first locking tooth 91 to be locked on the cabinet body 1, after the cabinet door 2 is driven to move upwards, the locking groove 9 will move upwards and disengage from the locking hook 92, the first locking tooth 91 will move upwards and stagger from the second locking tooth 93, so it is not blocked by the second locking tooth 93, at this time, the cabinet door 2 is in the unlocking state and can be rotated to open, the lower end of the vertical shaft 7 is provided with a barrier bar 71, the lower support platform 4 is provided with a holding groove 72 capable of holding the barrier bar 71, when the cabinet door 2 is closed and locked, the barrier bar 71 falls into the holding groove 72, after the cabinet door 2 moves upwards and is unlocked, the barrier bar 71 can leave the holding groove 72 under the drive of the vertical shaft 7, then when the lifting wheel 8 can not abut against the upper support platform 3 along with the rotation and opening of the cabinet door 2, the barrier bar 71 can abut against the lower support platform 4 to prevent the cabinet door 2 from falling, the sidewall of the cabinet body 1 is further provided with a sleeve 11, a screw 12 horizontally arranged in the sleeve 11 is connected by screw thread, the outer end of the screw 12 is provided with a driving head 13 capable of driving the tool to drive the screw 12 to rotate, a limit sleeve 14 is fixed on the edge of the cabinet door 2 at the outer end of the screw 12, the outer end of the screw 12 is inserted into the limit sleeve 14, so that the cabinet door 2 cannot be unlocked by moving upwards, an operating handle 15 is arranged on the side wall of the cabinet body 1 at the inner end of the screw 12, electrical components in the cabinet body 1 can be switched on and off by rotating the operating handle 15, a lock disc 16 is arranged on the operating handle 15, a notch 161 which can be inserted by the inner end of the screw 12 is arranged on the edge of the lock disc 16, when the operating handle 15 rotates to a power-on position for switching on the cabinet body, the edge of the lock disc 16 can block the inner end of the screw 12, so that the screw 12 cannot be driven to rotate inwards, so that the outer end of the screw 12 cannot leave the limit sleeve 14, so that the cabinet door 2 cannot be unlocked, so that the cabinet door 2 is prevented from being opened when the cabinet body 1 is powered on, when the operating handle 15 rotates to a power-off position for switching off the cabinet body, the notch 161 on the edge of the lock disc 16 can just rotate to be opposite to the inner end of the screw 12, so that the screw 12 can be driven to rotate and move inwards by being inserted into the notch 161, the outer end of the screw 12 can leave the limit sleeve 14, the cabinet door 2 can be unlocked and opened only after the power failure occurs in the cabinet body 1, the screw 12 can be inserted into the notch 161 to prevent the operation handle 15 from rotating, the cabinet body 1 cannot be powered on, the cabinet door 2 is closed and locked, then the screw 12 is driven to move outwards, the inner end of the screw 12 exits from the notch 161, and meanwhile, after the outer end of the screw 12 is inserted into the limit sleeve 1, the operation handle 15 can be driven to rotate to enable the cabinet body 1 to be powered on.
In this embodiment, an auxiliary table 82 against which the lifting wheel 8 can abut when the handle 81 swings downward is provided on the side wall of the cabinet 1 above the lifting wheel 8. When withdrawing external force and making the cabinet door remove down and lock, the cabinet door can block and not remove down, and at this moment, the wheel supports to withstand the auxiliary table and can exert decurrent effort to the cabinet door after pressing down the handle through the lifting for the cabinet door can remove down smoothly and locked.
The lower support platform 4 is provided with a stop column 41 which can be abutted by the lower swivel seat 6 to limit the opening angle of the cabinet door 2. The driving head 13 is a triangular head, so that only a tool with a triangular groove on the tool head can drive the screw rod to rotate, thereby avoiding the situation that a common tool can drive the screw rod to rotate.
The first locking tooth 91 and the second locking tooth 93 are provided with a plurality of locking teeth, and the locking teeth correspond to each other one by one, so that the mining explosion-proof cabinet can be higher in explosion-proof grade after being arranged.

Claims (5)

1. Safety interlocking mechanism of mining flame proof cabinet includes: the cabinet body and cabinet door, the vertical side opening who is used for the closed cabinet body in one side of the cabinet body of installing of cabinet door, its characterized in that: an upper supporting platform and a lower supporting platform are arranged on the side wall of the cabinet body, an upper swivel base is placed on the upper supporting platform, a lower swivel base is placed on the lower supporting platform, the upper swivel base and the lower swivel base are respectively fixed with the same side of the cabinet door, a vertical shaft is arranged between the upper supporting platform and the lower supporting platform, the upper end of the vertical shaft upwards sequentially penetrates through the upper supporting platform and the upper swivel base, the lower end of the vertical shaft downwards sequentially penetrates through the lower swivel base and the lower supporting platform, the upper swivel base and the lower swivel base are respectively fixed with the vertical shaft, so that the upper supporting platform and the lower supporting platform can support the cabinet door through the upper swivel base and the vertical shaft, the cabinet door can also be opened in a rotating manner, a lifting wheel surface is arranged on the upper swivel base and abuts against a lifting wheel on the upper supporting platform, the lifting wheel is eccentrically hinged on the upper swivel base, a handle is fixed on the lifting wheel, the lifting wheel can upwards abut against the upper supporting platform after the lifting wheel is upwards swung by driving the handle through external force, at the moment, the upper and lower rotary seats, the vertical shaft and the cabinet door can move upwards together under the drive of the lifting wheel, a lock groove and a first lock tooth are arranged on the inner side of the cabinet door, a lock hook and a second lock tooth are arranged on the opening edge of the cabinet body, the cabinet door can be hooked in the lock groove through the lock hook when closed, the second lock tooth blocks the outer side of the first lock tooth to be locked on the cabinet body, after the cabinet door is driven to move upwards, the lock groove can move upwards to be separated from the lock hook, the first lock tooth can move upwards to be staggered from the second lock tooth, so that the cabinet door is not blocked by the second lock tooth, the cabinet door is in an unlocking state and can be rotated to be opened, a barrier strip is arranged on the lower end of the vertical shaft, an accommodating groove capable of accommodating the barrier strip is arranged on the lower support platform, when the cabinet door is closed and locked, the barrier strip falls into the accommodating groove, after the cabinet door is moved upwards to be unlocked, the barrier strip can leave the accommodating groove under the drive of the vertical shaft, then when the lifting wheel is opened along with the rotation of the cabinet door and can not abut against the upper supporting table, the barrier strip can prevent the cabinet door from falling down by abutting against the lower supporting table, the side wall of the cabinet body is also provided with a sleeve, a screw rod horizontally arranged is in threaded connection with the sleeve, the outer end of the screw rod is provided with a driving head capable of driving the screw rod to rotate by a tool, the edge of the cabinet door at the outer end of the screw rod is fixed with a limit sleeve, the outer end of the screw rod is inserted into the limit sleeve, so that the cabinet door can not be unlocked by upward movement, the side wall of the cabinet body at the inner end of the screw rod is provided with an operating handle, the electric elements in the cabinet body can be switched on or off by rotating the operating handle, the operating handle is provided with a lock disc, the edge of the lock disc is provided with a gap capable of inserting the inner end of the screw rod, when the operating handle rotates to the power-on position in the cabinet body, the lock dish border can block screw rod inner, make the screw rod can't be driven rotatory inwards to remove, thereby make the screw rod outer end can't leave the stop collar, the cabinet door just can't be by the unblock like this, so that the cabinet door is opened when preventing internal circular telegram of cabinet, when the rotatory outage position that makes the internal outage of cabinet of operating handle, the breach on the lock dish border can just in time rotate to relative with screw rod inner, make the screw rod can be through inserting in the breach and can be driven rotatory inwards to remove, thereby make the screw rod outer end can leave the stop collar, only can just so be opened by the unblock at the internal circular telegram back cabinet door of cabinet, the screw rod can make the operating handle can't rotate after inserting into the breach, thereby can't the circular telegram in making the cabinet body.
2. The safety interlocking mechanism of the mining explosion-proof cabinet according to claim 1, characterized in that: an auxiliary table which can be abutted by the lifting wheel when the handle swings downwards is arranged on the side wall of the cabinet body above the lifting wheel.
3. The safety interlocking mechanism of the mining explosion-proof cabinet according to claim 1 or 2, characterized in that: the lower support platform is provided with a stop post which can be used for the lower rotary seat to abut against and limit the door opening angle of the cabinet door.
4. The safety interlocking mechanism of the mining explosion-proof cabinet according to claim 1 or 2, characterized in that: the driving head is a triangular head.
5. The safety interlocking mechanism of the mining explosion-proof cabinet according to claim 1 or 2, characterized in that: the first locking tooth and the second locking tooth are provided in plurality and respectively correspond to each other one by one.
CN202022184058.XU 2020-09-29 2020-09-29 Safety interlocking mechanism of mining explosion-proof cabinet Active CN213774869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022184058.XU CN213774869U (en) 2020-09-29 2020-09-29 Safety interlocking mechanism of mining explosion-proof cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022184058.XU CN213774869U (en) 2020-09-29 2020-09-29 Safety interlocking mechanism of mining explosion-proof cabinet

Publications (1)

Publication Number Publication Date
CN213774869U true CN213774869U (en) 2021-07-23

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ID=76906997

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Application Number Title Priority Date Filing Date
CN202022184058.XU Active CN213774869U (en) 2020-09-29 2020-09-29 Safety interlocking mechanism of mining explosion-proof cabinet

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114302587A (en) * 2021-11-26 2022-04-08 煤炭科学研究总院 Quick opening door of electric control box for coal mine equipment
CN117976446A (en) * 2024-03-29 2024-05-03 山西阳光三极科技股份有限公司 Explosion-proof shell uncap power-off protection device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114302587A (en) * 2021-11-26 2022-04-08 煤炭科学研究总院 Quick opening door of electric control box for coal mine equipment
CN114302587B (en) * 2021-11-26 2023-03-10 煤炭科学研究总院有限公司 Quick opening door of electric control box for coal mine equipment
CN117976446A (en) * 2024-03-29 2024-05-03 山西阳光三极科技股份有限公司 Explosion-proof shell uncap power-off protection device
CN117976446B (en) * 2024-03-29 2024-06-11 山西阳光三极科技股份有限公司 Explosion-proof shell uncap power-off protection device

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