阅读说明：本技术 一种冲压成型金属柜用柜门 (Cabinet door for punch forming metal cabinet ) 是由 黄六华 于 2021-09-03 设计创作，主要内容包括：本发明涉及金属柜门加工技术领域,具体的说是一种冲压成型金属柜用柜门,包括金属柜门、金属柜体、安全防护机构和密封减震机构,金属柜门与金属柜体通过铰链转动连接,安全防护机构置于金属柜体的柜壁内侧,密封减震机构置于金属柜门侧壁内侧,金属柜体中部固定安装有隔板,金属柜体前端固定设有边框挡架,边框挡架中部固定安装有磁力块,该柜门能够减小金属柜门与金属柜体的撞击力,避免在撞击过程中产生的震动,延长了金属柜门的使用寿命,同时通过设置密封减震机构提高了金属柜门与金属柜体在闭合状态时的密封性,避免了灰尘进入,保证了金属柜内部的物品干净清洁。(The invention relates to the technical field of metal cabinet door processing, in particular to a stamping forming metal cabinet door, which comprises a metal cabinet door, a metal cabinet body, a safety protection mechanism and a sealing damping mechanism, wherein the metal cabinet door is rotatably connected with the metal cabinet body through a hinge, the safety protection mechanism is arranged on the inner side of the cabinet wall of the metal cabinet body, the sealing damping mechanism is arranged on the inner side of the side wall of the metal cabinet door, a partition plate is fixedly arranged at the middle part of the metal cabinet body, a frame baffle frame is fixedly arranged at the front end of the metal cabinet body, a magnetic block is fixedly arranged at the middle part of the frame baffle frame, the cabinet door can reduce the impact force between the metal cabinet door and the metal cabinet body, avoid the vibration generated in the impact process, prolong the service life of the metal cabinet door, meanwhile, the sealing performance of the metal cabinet door and the metal cabinet body in a closed state is improved by arranging the sealing damping mechanism, dust is prevented from entering, and the cleanness of the articles inside the metal cabinet is guaranteed.)

1. The utility model provides a stamping forming is cabinet door for metal cabinet which characterized in that: the metal cabinet door comprises a metal cabinet door (1), a metal cabinet body (2), a safety protection mechanism (3) and a sealing damping mechanism (4), wherein the metal cabinet door (1) is rotatably connected with the metal cabinet body (2) through a hinge, the inner wall of the metal cabinet body (2) is arranged in the safety protection mechanism (3), the side wall of the metal cabinet door (1) is arranged in the sealing damping mechanism (4), a partition plate (21) is fixedly arranged in the middle of the metal cabinet body (2), a frame baffle frame (23) is fixedly arranged at the front end of the metal cabinet body (2), a magnetic block (22) is fixedly arranged in the middle of the frame baffle frame (23), the sealing damping mechanism (4) comprises a sealing damping bag (41), a gas transmission pipe (42) and a telescopic airbag (43), a damping groove is arranged on the inner side of the metal cabinet door (1), the sealing damping bag (41) is fixedly connected in the damping groove, and a mounting groove (11) is arranged on the inner wall of the lower end of the metal cabinet door (1), the upper end in the cavity of the mounting groove (11) is fixedly connected with a telescopic air bag (43), and the telescopic air bag (43) and the sealed shock absorption bag (41) are arranged in a penetrating way through a gas transmission pipe (42);

the safety protection mechanism (3) comprises a mounting shell (31), the mounting shell (31) is fixedly connected to the upper end of the inner wall of the metal cabinet body (2), one side, close to the metal cabinet door (1), of the mounting shell (31) is provided with a pull rope hole, the mounting shell (31) is connected with the metal cabinet door (1) through a trigger pull rope (5), one end of the trigger pull rope (5) is fixedly connected to the side wall of the metal cabinet door (1), and the other end of the trigger pull rope (5) penetrates through the pull rope hole and is arranged in the mounting shell (31);

the safety protection mechanism (3) further comprises a supporting column (32), a connecting block (36) and a clamping groove (361), one end of the supporting column (32) is fixedly connected to the bottom of the mounting shell (31), the other end of the supporting column (32) is fixedly connected with the connecting block (36), and the clamping groove (361) is formed in one side, close to the bottom of the mounting shell (31), of the connecting block (36);

connecting block (36) outer wall cover is equipped with joint cover (35), joint cover (35) and connecting block (36) outer wall sliding connection, joint cover (35) bottom fixedly connected with go-between (34), triggers stay cord (5) and arranges the inside one end fixed connection of installation casing (31) in go-between (34) outer wall, safety protection mechanism (3) still include safety spring (33), and safety spring (33) one end fixed connection is in installation casing (31) bottom, and the other end fixed connection of safety spring (33) is in joint cover (35) bottom.

2. The cabinet door for punch forming metal cabinets of claim 1, wherein: sealed damper (4) are still including initiative extrusion piece (45), mounting groove (11) intracavity lower extreme is arranged in initiative extrusion piece (45), initiative extrusion piece (45) are close to mounting groove (11) inner wall one side and are equipped with initiative inclined plane, the first deflector (46) of initiative extrusion piece (45) both ends fixedly connected with, mounting groove (11) both sides wall bottom is equipped with horizontal spout (13), horizontal spout (13) are arranged in first deflector (46), and first deflector (46) and horizontal spout (13) lateral wall sliding connection.

3. The cabinet door for punch forming metal cabinets of claim 2, wherein: sealing damping mechanism (4) still include driven extrusion piece (44), mounting groove (11) middle part is arranged in to driven extrusion piece (44), driven extrusion piece (44) are close to initiative extrusion piece (45) one side and are equipped with the driven inclined plane with initiative inclined plane looks adaptation, driven extrusion piece (44) both ends fixedly connected with second deflector (47), mounting groove (11) both sides wall middle part is equipped with vertical spout (12), vertical spout (12) are arranged in second deflector (47), and second deflector (47) and vertical spout (12) sliding connection, driven extrusion piece (44) upper end and flexible gasbag (43) contact.

4. The cabinet door for punch forming metal cabinets of claim 3, wherein: clamping sleeve (35) lateral wall is equipped with trigger hole (351), is equipped with trigger bar (38) in trigger hole (351), and trigger bar (38) run through trigger hole (351), and trigger bar (38) and trigger hole (351) sliding connection, and clamping sleeve (35) inside one end fixedly connected with joint piece (37) are arranged in to trigger bar (38), and joint piece (37) set up with joint groove (361) joint.

5. The cabinet door for punch forming metal cabinets of claim 4, wherein: the fixed cover of trigger lever (38) outer wall is equipped with compression ring (381), and trigger lever (38) outer wall still overlaps and is equipped with trigger spring (39), and trigger spring (39) are arranged in trigger hole (351), and trigger spring (39) one end fixed connection is close to the lateral wall of joint piece (37) one side in trigger hole (351), and the other end fixed connection of trigger spring (39) is at compression ring (381) outer wall.

Technical Field

The invention relates to the technical field of metal cabinet door processing, in particular to a cabinet door for a punch forming metal cabinet.

Background

The metal cabinet is furniture for storing articles, generally, a metal cabinet door is arranged on the metal cabinet in order to prevent the articles in the metal cabinet from being accidentally dropped due to human factors, and dust can be prevented from entering the metal cabinet door and meanwhile the metal cabinet door is arranged.

Fix the metal cabinet on wall upper portion, the metal cabinet door frequently opens and shuts the in-process for a long time, the striking of metal cabinet door and the metal cabinet body, the metal cabinet door can produce violent vibrations, can lead to the hinge of metal cabinet door upper end to appear not hard up or damage the phenomenon rapidly, the phenomenon that drops can appear in the metal cabinet door when the hinge is not hard up or damages, cause the injury to the personnel, the metal cabinet door opens and shuts the phenomenon that can appear ageing for a long time many times, when closed metal cabinet door, can have the clearance between metal cabinet door and the metal cabinet body, the dust can follow the clearance between metal cabinet door and the metal cabinet body and get into the cabinet internal, adhere to the internal article surface of metal cabinet, influence the sealed effect of metal cabinet.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a cabinet door for a punch forming metal cabinet.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a stamping forming is cabinet door for metal cabinet, including the metal cabinet door, the metal cabinet body, safety protection mechanism and sealed damper, the metal cabinet door passes through the hinge rotation with the metal cabinet body and is connected, safety protection mechanism arranges the cabinet wall inboard of the metal cabinet body in, sealed damper arranges metal cabinet door lateral wall in, metal cabinet body middle part fixed mounting has the baffle, the fixed frame that is equipped with in metal cabinet body front end keeps off the frame, frame keeps off frame middle part fixed mounting has magnetic block, sealed damper includes sealed shock attenuation bag, gas transmission pipe and flexible gasbag, metal cabinet door inboard is equipped with the shock attenuation groove, sealed shock attenuation bag fixed connection is in the shock attenuation groove, metal cabinet door lower extreme inboard is equipped with the mounting groove, mounting groove intracavity upper end fixedly connected with flexible gasbag, flexible gasbag link up the setting through gas transmission pipe with sealed shock attenuation bag.

Specifically, sealed damper still includes the initiative extrusion piece, and the lower extreme in the mounting groove intracavity is arranged in to the initiative extrusion piece, and the initiative extrusion piece is close to mounting groove inner wall one side and is equipped with the initiative inclined plane, the first deflector of initiative extrusion piece both ends fixedly connected with, and mounting groove both sides wall bottom is equipped with horizontal spout, and in horizontal spout was arranged in to first deflector, and first deflector and horizontal spout lateral wall sliding connection.

Specifically, sealed damper still includes driven extrusion piece, and the mounting groove middle part is arranged in to driven extrusion piece, and driven extrusion piece is close to initiative extrusion piece one side and is equipped with the driven inclined plane with initiative inclined plane looks adaptation, and driven extrusion piece both ends fixedly connected with second deflector, and mounting groove both sides wall middle part is equipped with vertical spout, and in vertical spout was arranged in to the second deflector, and second deflector and vertical spout sliding connection, driven extrusion piece upper end and flexible gasbag contact.

Specifically, safety protection mechanism is including installing the casing, and installation casing fixed connection is in the internal wall upper end of metal cabinet, and the installation casing is close to metal cabinet door one side and is equipped with the stay cord hole, is connected through triggering the stay cord between installation casing and the metal cabinet door, triggers stay cord one end fixed connection at metal cabinet door lateral wall, and the other end that triggers the stay cord passes the stay cord hole and arranges in the installation casing.

Specifically, safety protection mechanism still includes support column, connecting block and joint groove, and the one end fixed connection of support column is in the bottom of installation casing, and the other end fixedly connected with connecting block of support column, connecting block are close to installation casing bottom one side and are equipped with the joint groove.

Specifically, connecting block outer wall cover is equipped with the joint cover, joint cover and connecting block outer wall sliding connection, and joint cover bottom fixedly connected with go-between triggers the stay cord and arranges the inside one end fixed connection of installation casing in the go-between outer wall, and safety protection mechanism still includes safety spring, and safety spring one end fixed connection is in installation casing bottom, and safety spring's other end fixed connection is in joint cover bottom.

Specifically, joint cover lateral wall is equipped with the trigger hole, triggers downthehole being equipped with the trigger bar, and the trigger bar runs through the trigger hole, and trigger bar and trigger hole sliding connection, the inside one end fixedly connected with joint piece of joint cover is arranged in to the trigger bar, joint piece and joint groove joint setting.

Specifically, the fixed cover of trigger bar outer wall is equipped with the compression ring, and the trigger bar outer wall still overlaps and is equipped with trigger spring, and trigger spring arranges in and triggers downtheholely, and trigger spring one end fixed connection triggers the lateral wall that the hole is close to joint piece one side, and trigger spring's other end fixed connection is at the compression ring outer wall.

The invention has the beneficial effects that:

(1) the invention relates to a stamping forming metal cabinet door, a frame baffle frame is tightly propped against a driving extrusion block, meanwhile, the magnetic block generates attraction force on a metal cabinet door, the metal cabinet door is tightly jointed with the metal cabinet body through the magnetic block, the metal cabinet body is ensured to be in a closed state when the metal cabinet door is closed, dust is prevented from entering the metal cabinet body, in the process of tightly propping the frame baffle frame against the driving extrusion block, the driving extrusion block drives first guide plates at two ends to slide along a horizontal chute, a driving inclined plane at the upper end of the driving extrusion block is contacted and tightly propped against a driven inclined plane at the lower end of a driven extrusion block, simultaneously, the first guide plates are pushed to move upwards, the first guide plates simultaneously drive second guide plates at two ends to move upwards along a vertical chute, the lower end of a telescopic air bag is extruded in the process of upwards moving of the driven extrusion block, when the telescopic air bag is extruded, gas in the telescopic air bag flows into a sealing shock absorption bag along a gas transmission pipe, the gas of sealed shock attenuation bag increases the inflation, and with the laminating of the metal cabinet body, reduces the impact of metal cabinet door and the metal cabinet body to reduce the vibrations that produce at the striking in-process, prolonged the life of metal cabinet door, improved the leakproofness of metal cabinet door and the metal cabinet body when the closure state simultaneously through setting up sealed damper, avoided the dust to get into, guaranteed the clean cleanness of the inside article of metal cabinet.

(2) The invention relates to a stamping forming metal cabinet door, wherein a trigger pull rope is pulled at the upper end of a metal cabinet door, the trigger pull rope pulls a connecting ring loose, the connecting ring moves towards the direction close to the metal cabinet door along the side wall of a connecting block, a safety spring is compressed along the direction of a supporting column, the connecting ring simultaneously drives a clamping sleeve to synchronously move, the clamping sleeve drives a trigger rod in a trigger hole of the clamping sleeve to synchronously move, the trigger rod drives a clamping block to move towards the direction away from a clamping groove, at the moment that the clamping block is separated from the clamping groove, the trigger spring pushes the compression ring to move towards the direction away from the connecting block and simultaneously drives the trigger rod to synchronously move, the trigger rod drives the clamping block to synchronously move, the clamping block is completely separated from the connecting block, at the moment, the safety spring extends to push the connecting ring to move towards the direction away from the metal cabinet door, simultaneously drives the clamping sleeve to pop up along the direction of the side wall of the connecting block, and pulls the connecting ring to trigger the pull rope, through triggering the stay cord and pulling the upper end of the metal cabinet door to move towards the inside of the metal cabinet body, the upper end of the metal cabinet body is pulled into the metal cabinet body, so that the falling phenomenon of the metal cabinet door is avoided, and the injury to cabinet personnel is avoided when the upper end of the metal cabinet door is loosened and falls.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view of a cabinet door for a punch forming metal cabinet provided by the invention.

Fig. 2 is a sectional view of a metal cabinet door provided by the present invention.

Fig. 3 is a cross-sectional view taken along the direction M-M in fig. 2 according to the present invention.

Fig. 4 is a schematic view of the connection between the mounting housing and the safety spring according to the present invention.

Fig. 5 is a cross-sectional view of a clamping sleeve provided by the present invention.

Fig. 6 is an enlarged view of a portion a of fig. 5 according to the present invention.

In the figure: 1. a metal cabinet door; 11. mounting grooves; 12. a vertical chute; 13. a horizontal chute; 2. a metal cabinet body; 21. a partition plate; 22. a magnetic block; 23. a frame blocking frame; 3. a safety protection mechanism; 31. installing a shell; 32. a support pillar; 33. a safety spring; 34. a connecting ring; 35. a clamping sleeve; 351. a trigger hole; 36. connecting blocks; 361. a clamping groove; 37. a clamping block; 38. a trigger lever; 381. a compression ring; 39. a trigger spring; 4. a sealing shock-absorbing mechanism; 41. sealing the shock absorption bag; 42. a gas delivery pipe; 43. a telescopic air bag; 44. a driven extrusion block; 45. actively extruding the block; 46. a first guide plate; 47. a second guide plate; 5. the pull cord is triggered.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, a stamping forming metal cabinet door comprises a metal cabinet door 1, a metal cabinet body 2, a safety protection mechanism 3 and a sealing damping mechanism 4, wherein the metal cabinet door 1 is rotatably connected with the metal cabinet body 2 through a hinge, the safety protection mechanism 3 is arranged on the inner side of the cabinet wall of the metal cabinet body 2, the sealing damping mechanism 4 is arranged on the inner side of the side wall of the metal cabinet door 1, a partition plate 21 is fixedly arranged in the middle of the metal cabinet body 2, a frame baffle frame 23 is fixedly arranged at the front end of the metal cabinet body 2, a magnetic block 22 is fixedly arranged in the middle of the frame baffle frame 23, the sealing damping mechanism 4 comprises a sealing damping bag 41, a gas transmission pipe 42 and a telescopic airbag 43, a damping groove is arranged on the inner side of the metal cabinet door 1, the sealing damping bag 41 is fixedly connected in the damping groove, a mounting groove 11 is arranged on the inner side of the lower end of the metal cabinet door 1, and the telescopic airbag 43 is fixedly connected at the inner upper end of the mounting groove 11, the telescopic air bag 43 and the sealing shock absorption bag 41 are arranged in a penetrating way through the gas transmission pipe 42, the metal cabinet door 1 can be prevented from falling off due to long-term opening and closing by arranging the safety protection mechanism 3, meanwhile, when the metal cabinet door 1 falls off, the upper end of the metal cabinet door 1 can be pulled into the metal cabinet body 2, the metal cabinet door 1 is prevented from falling off, the safety of indoor personnel is ensured, when the metal cabinet door 1 is closed by arranging the sealing shock absorption mechanism 4, the impact force between the metal cabinet door 1 and the metal cabinet body 2 is reduced, the vibration generated in the impact process is reduced, the service life of the metal cabinet door 1 is prolonged, meanwhile, the sealing performance of the metal cabinet door 1 and the metal cabinet body 2 in a closed state is improved by arranging the sealing shock absorption mechanism 4, the dust is prevented from entering, the cleanness of the articles in the metal cabinet is ensured, when the metal cabinet door 1 is closed by arranging the magnetic block 22, play the adsorption to metal cabinet door 1, the leakproofness of metal cabinet door 1 has been increased, avoided the dust to get into the metal cabinet body 2 in, when flexible gasbag 43 is compressed, the inside gas of flexible gasbag 43 gets into in the sealed shock attenuation bag 41 through gas transmission pipe 42, the gas of sealed shock attenuation bag 41 increases the inflation, and laminate with the metal cabinet body 2, at the in-process with the laminating of the metal cabinet body 2, avoid vibrations to appear in the metal cabinet door 1, metal cabinet body 2 is in the encapsulated situation when having further guaranteed metal cabinet door 1 to close simultaneously, avoid the dust to get into in the metal cabinet body 2.

Specifically, the sealing and damping mechanism 4 further comprises an active extrusion block 45, the active extrusion block 45 is arranged at the inner lower end of the cavity of the installation groove 11, one side of the active extrusion block 45, which is close to the inner wall of the installation groove 11, is provided with an active inclined surface, two ends of the active extrusion block 45 are fixedly connected with first guide plates 46, the bottom parts of two side walls of the installation groove 11 are provided with horizontal sliding grooves 13, the first guide plates 46 are arranged in the horizontal sliding grooves 13, and the first guide plates 46 are slidably connected with the side walls of the horizontal sliding grooves 13, when the metal cabinet door 1 is closed, the active extrusion block 45 is firstly contacted with the frame blocking frame 23 arranged on the metal cabinet body 2, the frame blocking frame 23 is tightly propped against the active extrusion block 45, meanwhile, the magnetic block 22 generates attraction force on the metal cabinet door 1, the metal cabinet door 1 is tightly attached to the metal cabinet body 2 through the magnetic block 22, the metal cabinet body 2 is in a closed state when the metal cabinet door 1 is closed, and dust is prevented from entering the metal cabinet body 2.

Specifically, the sealing damping mechanism 4 further comprises a driven extrusion block 44, the driven extrusion block 44 is arranged in the middle of the installation groove 11, one side of the driven extrusion block 44, which is close to the driving extrusion block 45, is provided with a driven inclined plane matched with the driving inclined plane, two ends of the driven extrusion block 44 are fixedly connected with second guide plates 47, vertical sliding grooves 12 are arranged in the middle of two side walls of the installation groove 11, the second guide plates 47 are arranged in the vertical sliding grooves 12, and the second guide plate 47 is connected with the vertical chute 12 in a sliding way, the upper end of the driven extrusion block 44 is contacted with the telescopic air bag 43, the driving inclined surface at the upper end of the driving extrusion block 45 is contacted and pressed with the driven inclined surface at the lower end of the driven extrusion block 44, meanwhile, the driven extrusion block 44 is pushed to move upwards, the driven extrusion block 44 moves upwards and drives the second guide plates 47 at the two ends to move upwards along the vertical chute 12, and the lower end of the telescopic air bag 43 is extruded in the process that the driven extrusion block 44 moves upwards.

Specifically, safety protection mechanism 3 is including installing casing 31, installation casing 31 fixed connection is in 2 inner walls of the metal cabinet upper ends, installation casing 31 is close to 1 one side of metal cabinet door and is equipped with the stay cord hole, install between casing 31 and the metal cabinet door 1 and be connected through triggering stay cord 5, trigger 5 one end fixed connection of stay cord at 1 lateral wall of metal cabinet door, the other end that triggers stay cord 5 passes the stay cord hole and arranges in installation casing 31, fix through installation casing 31 and play the guard action at 2 inner walls of the metal cabinet to inside original paper, guarantee through triggering stay cord 5 that the phenomenon of dropping can not appear in metal cabinet door 1.

Specifically, safety protection mechanism 3 still includes support column 32, connecting block 36 and joint groove 361, and the one end fixed connection of support column 32 is in the bottom of installation casing 31, and the other end fixedly connected with connecting block 36 of support column 32, connecting block 36 are close to installation casing 31 bottom one side and are equipped with joint groove 361, and support column 32 plays support fixed action to connecting block 36.

Specifically, the outer wall of the connecting block 36 is sleeved with the clamping sleeve 35, the clamping sleeve 35 is slidably connected with the outer wall of the connecting block 36, the bottom of the clamping sleeve 35 is fixedly connected with the connecting ring 34, one end of the trigger pull rope 5, which is arranged inside the installation shell 31, is fixedly connected to the outer wall of the connecting ring 34, the safety protection mechanism 3 further comprises a safety spring 33, one end of the safety spring 33 is fixedly connected to the bottom of the installation shell 31, the other end of the safety spring 33 is fixedly connected to the bottom of the clamping sleeve 35, the safety spring 33 is in a compression state, when the upper end of the metal cabinet door 1 drops, the upper end of the metal cabinet door 1 pulls the trigger pull rope 5, the trigger pull rope 5 releases the connecting ring 34, the connecting ring 34 moves towards the direction close to the metal cabinet door 1 along the side wall of the connecting block 36, meanwhile, the safety spring 33 is further compressed along the direction of the supporting column 32, the connecting ring 34 simultaneously drives the clamping sleeve 35 to synchronously move, when the safety spring 33 returns to the original state, the extension of safety spring 33 promotes go-between 34 to keeping away from the motion of metal cabinet door 1 direction, drives joint sleeve 35 simultaneously and pops out along the 36 lateral wall directions of connecting block, go-between 34 pulling triggers stay cord 5, through triggering 5 pulling metal cabinet doors 1 upper ends to the inside motion of the metal cabinet body 2, draw in the metal cabinet body 2 with the metal cabinet door 1 upper end in, avoided the phenomenon that drops of metal cabinet door 1 to the personnel cause the injury when having avoided the not hard up drop of metal cabinet door 1 upper end.

Specifically, joint cover 35 lateral wall is equipped with trigger hole 351, be equipped with trigger bar 38 in the trigger hole 351, trigger bar 38 runs through trigger hole 351, and trigger bar 38 with trigger hole 351 sliding connection, the inside one end fixedly connected with joint piece 37 of joint cover 35 is arranged in to trigger bar 38, joint piece 37 and the setting of joint groove 361 joint, trigger bar 38 slides the in-process and pulls joint piece 37 synchronous sliding in trigger hole 351, when joint piece 37 joint is in trigger hole 351, the sliding phenomenon can not appear in trigger bar 38.

Specifically, the fixed cover of trigger bar 38 outer wall is equipped with compression ring 381, trigger bar 38 outer wall still overlaps and is equipped with trigger spring 39, trigger spring 39 arranges in and triggers hole 351, trigger spring 39 one end fixed connection is at the lateral wall that triggers hole 351 and is close to joint piece 37 one side, trigger spring 39's other end fixed connection is at compression ring 381 outer wall, when joint cover 35 drives its trigger bar 38 synchronous motion that triggers in the hole 351, trigger bar 38 drives joint piece 37 to keeping away from joint groove 361 direction motion, joint piece 37 breaks away from the twinkling of an eye with joint groove 361, trigger spring 39 promotes compression ring 381 to keeping away from connecting block 36 direction motion, drive trigger bar 38 synchronous motion simultaneously, trigger bar 38 drives joint piece 37 synchronous motion, joint piece 37 breaks away from with connecting block 36 completely.

The working principle is that when the metal cabinet door 1 is closed, the driving extrusion block 45 contacts with the frame baffle frame 23 arranged on the metal cabinet body 2, the frame baffle frame 23 is abutted against the driving extrusion block 45, meanwhile, the magnetic block 22 generates attraction force to the metal cabinet door 1, the metal cabinet door 1 is tightly attached to the metal cabinet body 2 through the magnetic block 22, the metal cabinet body 2 is ensured to be in a closed state when the metal cabinet door 1 is closed, dust is prevented from entering the metal cabinet body 2, in the process that the frame baffle frame 23 is abutted against the driving extrusion block 45, the driving extrusion block 45 drives the first guide plates 46 at two ends to slide along the horizontal sliding groove 13, the driving inclined surface at the upper end of the driving extrusion block 45 contacts and abuts against the driven inclined surface at the lower end of the driven extrusion block 44, meanwhile, the driven extrusion block 44 moves upwards, and simultaneously drives the second guide plates 47 at two ends to move upwards along the direction of the vertical sliding groove 12, the lower end of the telescopic air bag 43 is extruded in the process that the driven extrusion block 44 moves upwards, when the telescopic air bag 43 is extruded, the gas in the telescopic air bag 43 flows into the sealed shock absorption bag 41 along the gas transmission pipe 42, the gas in the sealed shock absorption bag 41 is expanded and is attached to the metal cabinet body 2, in the process of attaching to the metal cabinet body 2, the metal cabinet door 1 is prevented from vibrating, and meanwhile, the metal cabinet body 2 is further ensured to be in a closed state when the metal cabinet door 1 is closed, dust is prevented from entering the metal cabinet body 2, when the upper end of the metal cabinet door 1 drops, the upper end of the metal cabinet door 1 pulls the trigger pull rope 5, the trigger pull rope 5 loosens the connecting ring 34, the connecting ring 34 moves towards the direction close to the metal cabinet door 1 along the side wall of the connecting block 36, and simultaneously, the safety spring 33 (the initial state of the safety spring 33 is a compressed state and the telescopic spring 33 is extruded through the connecting ring 34) is compressed along the direction of the supporting column 32, the connecting ring 34 simultaneously drives the clamping sleeve 35 to move synchronously, the clamping sleeve 35 drives the trigger rod 38 in the trigger hole 351 to move synchronously, the trigger rod 38 drives the clamping block 37 to move away from the clamping groove 361, at the moment that the clamping block 37 is separated from the clamping groove 361, the trigger spring 39 pushes the compression ring 381 to move away from the connecting block 36, and simultaneously drives the trigger rod 38 to move synchronously, the trigger rod 38 drives the clamping block 37 to move synchronously, the clamping block 37 is completely separated from the connecting block 36, at the moment, the safety spring 33 extends to push the connecting ring 34 to move away from the metal cabinet door 1, simultaneously the clamping sleeve 35 is driven to pop out along the side wall direction of the connecting block 36, the connecting ring 34 pulls the trigger pull rope 5, the upper end of the metal cabinet door 1 is pulled towards the inside of the metal cabinet body 2 through the trigger pull rope 5, the upper end of the metal cabinet door 1 is pulled into the metal cabinet body 2, and the phenomenon that the metal cabinet door 1 falls off is avoided, thereby avoiding the injury to personnel when the upper end of the metal cabinet door 1 is loosened and falls.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.