CN109496087B - Locking mechanism of electronic equipment case cover plate and using method thereof - Google Patents
Locking mechanism of electronic equipment case cover plate and using method thereof Download PDFInfo
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- CN109496087B CN109496087B CN201811380757.2A CN201811380757A CN109496087B CN 109496087 B CN109496087 B CN 109496087B CN 201811380757 A CN201811380757 A CN 201811380757A CN 109496087 B CN109496087 B CN 109496087B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0221—Locks; Latches
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Abstract
The invention relates to a locking mechanism of a cover plate of a chassis of electronic equipment and a using method thereof. And a lock tongue assembly, a guide pin, a steel wire transmission assembly and a locking assembly are arranged on the locking mechanism cover plate, and the lock tongue assembly and the guide pin respectively correspond to a lock throat and a rebounder on the side wall of the box body. The lock tongues are connected in series with the U-shaped block of the lock block by the main steel wire, the transmission steel wire and the branch steel wire. The safety lock controls the sliding block, and the sliding block is moved to drive the lock pin of the linkage part to enter and exit the lock hole of the U-shaped block. When the cover plate is installed, the guide pin is aligned with the rebounder, the cover plate is pressed, and the lock tongues are inserted into the lock throats to be locked, so that the cover plate is installed. When the cover plate is disassembled, the safety lock is opened, the sliding block is moved, the locking block is unlocked, the handle upwards rotates to the horizontal position and the outer pull handle, the locking block outwards moves, the main steel wire, the transmission steel wire and the branch steel wire are pulled, each lock tongue synchronously driven to be connected in series is withdrawn from the lock throat, the rebounder jacks the top plate, and the cover plate is taken down. The invention needs no tool, fast assembles and disassembles the machine box cover plate, has good electromagnetic shielding performance and is provided with a safety lock.
Description
Technical Field
The invention relates to a case structure of electronic equipment, in particular to a locking mechanism of a cover plate of the case of the electronic equipment and a using method thereof.
Background
The chassis of the existing electronic equipment is required to be sealed and has an electromagnetic shielding function.
At present, the cover plate of the electronic equipment case is assembled through the clamping grooves, the installation and the disassembly are simple, but the gap between the cover plate and the case body is large, the electromagnetic shielding effect is poor, and electromagnetic leakage interference equipment works normally.
And a plurality of cover plates of the case are fastened and installed by screws, so that the electromagnetic shielding function is realized. However, a large number of screws are complex to assemble, are not beneficial to quick assembly and disassembly, and are low in assembly efficiency.
No matter the cover plate is assembled by the clamping grooves or the cover plate fastened by the screws, the locking function is not realized. Anyone can open at will, can not protect the circuit module that has requirements such as security, secrecy etc. inside the electronic equipment effectively.
Along with the popularization and development of electronic equipment, the market needs an electronic equipment chassis cover plate locking device which has an electromagnetic shielding function, can be safely locked and can be quickly disassembled and assembled.
Disclosure of Invention
The invention aims to provide a locking mechanism of a cover plate of a chassis of electronic equipment, the cross section of the cover plate of a closed box body is Jiong-shaped, and the locking mechanism comprises a bolt assembly, a throat lock, a guide rebounder, a steel wire transmission assembly and a locking assembly. And the cover plate is provided with a spring bolt component, a guide pin, a steel wire transmission component and a locking component, and the spring bolt component and the guide pin correspond to the lock throat and the rebounder above the side wall of the box body respectively. The transmission steel wire of the steel wire transmission assembly is connected in series with the branch steel wire of each lock tongue assembly, the transmission steel wire is coupled to one end of the main steel wire through a coupling joint, the other end of the main steel wire is connected to a U-shaped block fixed on the locking block of the locking assembly, the safety lock controls the sliding of the sliding block, and the sliding block moves to determine that the lock pin below the linkage piece connected with the sliding block is inserted into or withdrawn from the lock hole of the U-shaped block.
Another object of the present invention is to provide a method for using a locking mechanism of a cover plate of a chassis of an electronic device. When the cover plate is installed, the guide pins on the cover plate are aligned with the rebounders corresponding to the box body, the cover plate is pressed, the lock tongues of the lock tongue assemblies are inserted into the lock throats to be locked, and then the installation of the cover plate can be completed. When the cover plate is disassembled, the safety lock is opened, the sliding block is moved, the arc at the lower part of the handle upwards rotates to the horizontal position and the handle is pulled outwards, the locking block moves outwards, the total steel wire connected with the U-shaped block is pulled simultaneously, the transmission steel wire is pulled through the coupling joint, the locking bolts connected with the transmission steel wire are driven by the branch steel wires connected in series to exit the lock throat, and the rebounder jacks the top plate, so that the cover plate can be conveniently taken down.
The locking mechanism for quickly locking and unlocking the cover plate of the electronic equipment chassis can quickly complete the disassembly and assembly of the cover plate without any tool.
The invention provides a locking mechanism of a cover plate of a case of an electronic device, wherein the case is a cuboid, the case body is provided with 5 rectangular surfaces of the cuboid, and a vacant rectangular surface of the cuboid is sealed by the cover plate. The cross section of the cover plate is Jiong-shaped, the top of the Jiong-shaped cover plate is a rectangular top plate matched with a rectangular vacant surface of a cuboid, the two sides of the top plate are fixedly connected with side plates perpendicular to the top plate, and when the cover plate covers the box body, the side plates are positioned outside the side wall of the box body and abut against the side wall of the box body. The length and width of the side plate are the same as those of the corresponding side wall of the box body.
The locking mechanism comprises a bolt component, a lock throat, a guide rebounder, a steel wire transmission component and a locking component.
The spring bolt unit mount has 1 or 2 spring bolt units in the roof bottom surface of apron, every limit of roof, and every spring bolt unit includes base and spring bolt, and the base top is connected with the roof bottom surface, and there is the mounting hole base bottom, and the central line of spring bolt is parallel with the roof, perpendicular with the curb plate, and the spring bolt front end is towards the curb plate. The middle part of the lock tongue is provided with a boss, the front end of a lock spring sleeved on the lock tongue is abutted against the boss, the rear end of the lock spring is fixed on the base, the rear end of the lock tongue penetrates through the mounting hole, and the lock tongue is in movable fit with the mounting hole. The rear end of the lock tongue is provided with threads and is arranged on the base through a nut. The tail end of the bolt extending out of the base is fixedly connected with a branch steel wire of the steel wire transmission assembly. The middle part and the tail part of the base are respectively provided with 1 steering pulley, and a steel wire for connecting the lock tongue sequentially bypasses 2 steering pulleys and is fixedly connected with a transmission steel wire parallel to the top plate; the plurality of bolt components on two adjacent edges of the top plate are 1 group.
The front end of the lock tongue is provided with a rotatable guide roller.
The lock throats are fixedly arranged on the inner side of the upper part of the side wall of the box body, correspond to the lock tongue assemblies one by one and are matched with the lock tongue assemblies. The longitudinal central line of the lock throat is vertical to the bottom plate of the box body, the main body is an Jiong-shaped groove, the cross section of the main body is Jiong-shaped, the bottom of the groove is fixedly connected with the side wall of the box body, the width of the Jiong-shaped groove is larger than the width of the lock tongue, the lower end of the Jiong-shaped groove is provided with a locking hole, and the length and the width of the locking hole are larger than the height.
When the cover plate is installed, the cover plate is pressed downwards manually, the lock tongues of the lock tongue assemblies slide downwards along Jiong grooves corresponding to the lock throats to reach the bottoms of the lock throats respectively, and the lock tongues are bounced into the locking holes under the action of the lock springs to lock the cover plate on the box body. With the guide roller, the locking tongue reduces friction to roll along the Jiong shaped groove of the lock throat to the locking hole at the bottom.
The guiding rebounders comprise guiding pins fixedly arranged at four corners of a top plate of the cover plate and rebounders matched with the guiding pins and arranged at four corners of the box body. The guide pins are cylindrical pins, the upper parts of the guide pins are fixedly connected to four corners of the top plate, and the center lines of the guide pins are perpendicular to the top plate. The rebounder is provided with a cylindrical pin cylinder, the lower end of the rebounder is fixedly connected to the tops of the four wall corners of the box body, the central line of the rebounder is perpendicular to the bottom plate of the box body, and the rebounder is matched with the guide pins on the top plate in a one-to-one correspondence mode. The internal diameter of cylindricality round pin section of thick bamboo is greater than the uide pin diameter, and rebound spring bottom mounting is in cylindricality round pin section of thick bamboo bottom.
When the cover plate is installed, the guide pins at the four corners of the top plate are opposite to the rebounders at the four corners of the box body one by one, the cover plate is pressed downwards, the guide pins press the rebounding springs in the cylindrical pin cylinders to be compressed, and the guide pins are inserted into the cylindrical pin cylinders of the rebounders.
The locking assemblies are of two same sets and are respectively installed on the outer sides of two opposite side plates of the cover plate, and each locking assembly comprises a shell, a locking block, a safety lock and a handle. The outer sides of the two side plates of the cover plate are respectively fixed with 1 shell and 2 handle seats.
The shell is a plate, a safety lock is installed on the upper portion of the front side of the shell, a sliding block controlled by the safety lock is embedded in a horizontal sliding groove of the shell, the sliding block is locked and cannot move left and right when the safety lock is locked, and the manual sliding block moves left and right along the sliding groove when the safety lock is unlocked.
And a locking block is arranged at the lower part of the front surface of the shell. The inner surface of the locking block is provided with a transverse groove, and the U-shaped block straddles the transverse groove and is fixed with the locking block. The lower part of the shell is provided with a cross groove, the transverse groove of the cross groove is opposite to the transverse groove on the inner surface of the locking block, and the vertical groove of the cross groove corresponds to the U-shaped block on the locking block; the inner surface of the locking block is attached to the front surface of the lower part of the shell, the handle beam is positioned between the transverse groove of the cross groove of the shell and the transverse groove of the locking block, and the U-shaped block is positioned in the vertical groove of the cross groove.
The linkage piece is a long plate and is erected on one side of the U-shaped block, the upper end of the linkage piece is connected with the sliding block, 2 lock pins are fixed on the lower portion of the linkage piece, and the center lines of the lock pins are perpendicular to the plate surface of the linkage piece and correspond to lock holes in the U-shaped block. The slider drives the linkage piece to move towards the U-shaped block until 2 lockpins are inserted into the lockholes on the U-shaped block.
2 horizontal guide shafts installed on the shell penetrate through 2 guide holes of the linkage piece to limit the linkage piece to move only in the horizontal direction.
The upper steering shaft and the lower steering shaft are horizontally arranged in the shell, the lower steering shaft is positioned behind a total steel wire contact point at the top of the U-shaped block, and the upper steering shaft is positioned on the upper part of the shell. The plane formed by the upper steering shaft and the lower steering shaft is parallel to the side plate of the cover plate and is positioned between the side plate and the U-shaped block.
One end of a total steel wire fixed at the top of the U-shaped block is led out in a direction vertical to the side plate, turns 90 degrees after passing around the lower steering shaft from the lower part, is parallel to the side plate and vertically upwards, then turns 90 degrees after passing around the upper steering shaft from the outer side, vertically passes through a steel wire hole tangent to the top plate at the upper part of the side plate, and is connected with a coupling joint of a steel wire transmission assembly fixed at the bottom surface of the top plate.
The back of the locking block is provided with at least 3 screw holes. Through holes corresponding to the screw holes of the locking block are formed in the lower portion of the back face of the shell and are counter bores. A spring is sleeved on each countersunk screw, the lower end of the countersunk screw penetrates through a through hole of the shell, the tail end of the countersunk screw is screwed into a screw hole of the locking block for fixation, and the back of the locking block is attached to the front of the shell under the acting force of the spring.
The back of the shell is tightly attached to the outer side surface of the side plate for fixing.
The safety lock is a coded lock.
The lower part of the flat plate handle is arc-shaped, the upper part of the flat plate handle is a cross beam connected with the two ends of the arc of the lower part, the central line of the cross beam is parallel to the side plate and the top plate, and the two ends of the handle cross beam are cylindrical end shafts. The lateral surface of the lateral plate of the cover plate is fixed with 2 handle seats, limit stops are fixed in the handle seats, the surface of each limit stop is perpendicular to the lateral plate, a long waist hole is formed in the surface, the long diameter of each long waist hole is perpendicular to the lateral plate, and an end shaft is rotatably inserted into the long waist hole. The handle crossbeam inlays in the transverse groove of lock block and the transverse groove of the cross groove of casing, is located between U-shaped piece and the lock block. After the cover plate is covered on the box body, the handles at two sides are attached to the outer side surface of the side plate of the cover plate.
The limit stop is towards the face in the outside, there is convex protruding edge in the back in the outside at the rear portion that is close to the curb plate, and the protruding edge upper end of back is along the higher authority parallel and level of limit stop face, and the lower extreme is tangent with the last edge in long waist hole.
The end shaft is fixed with a rectangular plate, the surface of the rectangular plate is perpendicular to the central line of the end shaft, the center of the surface of the rectangular plate is positioned on the central line of the end shaft, the width of the rectangular plate is equal to the diameter of the end shaft, and the length of the rectangular plate is larger than the diameter of the end shaft.
The upper part and the lower part of the front part of the plate surface of the outer side of the limit stop are provided with an upper convex edge and a lower convex edge which are convex towards the outer side, the front ends of the upper convex edge and the lower convex edge are parallel to the front edge of the plate surface of the limit stop, and the distance between the rear ends of the upper convex edge and the lower convex edge is equal to or larger than the diameter of the end shaft. The distance between the upper convex edge and the lower convex edge is larger than the length of the plate on the end shaft and smaller than the diagonal line of the plate.
When the handle is attached to the outer side surface of the side plate of the cover plate, the end shaft is positioned at the inner end of the long waist hole, the plate sheet covers the outer side surface of the limit stop, the long edge of the plate sheet is parallel to the long diameter of the long waist hole, the rear end of the long edge of the plate sheet is abutted to the lower end of the rear convex edge of the limit stop, and the rear convex edge limits the plate sheet of the handle end shaft to enable the end shaft to rotate only in one direction. When the lower part of the handle rotates upwards by 90 degrees, the long edge of the plate on the end shaft is perpendicular to the long diameter of the long waist hole, the handle is pulled outwards, the end shaft translates to the outer end of the long waist hole, the plate on the end shaft is positioned between the upper convex edge and the lower convex edge of the limit stop, and the upper convex edge and the lower convex edge limit the square of the end shaft of the handle to continue rotating.
The steel wire transmission components are 2 sets of the same, and comprise a total steel wire, a transmission steel wire, a branch steel wire, a steering knuckle and a coupling knuckle. There are coupling head and left, right steering shaft in the coupling joint fixed in roof bottom surface, the total steel wire that the lock block of every side is connected passes the curb plate behind the lower, upper pivot and connects in the coupling joint coupling head, 2 transmission steel wires that the coupling head is connected are respectively through left, right steering shaft, in the roof bottom surface, draw forth to opposite direction respectively along the side of the roof that the locking subassembly is located, the transmission steel wire concatenates the branch wire that the spring bolt of each spring bolt subassembly is connected on these two sides along two adjacent edges of roof, the steering joint of roof bottom surface fixed band steering shaft is handed over at both sides, the transmission steel wire turns to 90 degrees spring bolt subassemblies to roof adjacent edge through the steering joint.
The box body is provided with a groove with the depth and the width larger than the diameter of the total steel wire at the top of the side wall, which is attached to the side plate of the cover plate, of the box body and at the position corresponding to the total steel wire led out from the U-shaped block. Make the total steel wire not hinder the roof laminating in the wall top of box.
The top of the four walls of the box body is provided with conductive rubber strips, so that the cover plate is in tight gapless contact with the box body, and the electromagnetic shielding performance is ensured.
The invention relates to a use method of a locking mechanism of a case cover plate of an electronic device, which comprises the following steps:
before the cover plate is installed, handles on two side plates of the cover plate are attached to the side plates, the locking block is tightly attached to the front face of the shell, and springs on the four countersunk head screws are in a relaxation state. When the cover plate is installed, the guide pins of the guide rebounders at the four corners of the bottom surface of the top plate are aligned to the corresponding rebounders at the four corners of the box body, the cover plate is pressed, the lock tongues of the lock tongue assemblies are inserted into the lock throats to be locked, and the main steel wires, the transmission steel wires and the branch steel wires are in a tensioning state; the guide pin of each guide rebounder is inserted into the corresponding rebounder, and the rebound spring in the rebounder is compressed. And manually moving a sliding block of the safety lock to enable a lock pin of the linkage piece to be inserted into a lock hole of the U-shaped block. The safety lock locks the sliding block to be incapable of moving, and the cover plate is locked.
When the cover plate is disassembled, the safety lock is opened, the sliding block is moved, and the lock pin of the linkage piece connected with the sliding block is made to exit from the lock hole of the U-shaped block; the arc that will paste the handle lower part of leaning on apron both sides board upwards rotates, when the handle is the level, outwards draws the handle, and the handle acts on the locking piece, and the locking piece leaves the casing openly to the outside, and the spring on four countersunk screw is compressed. The total steel wire that the U-shaped piece is connected is pulled simultaneously, and the total steel wire is through coupling section pulling transmission steel wire, and each branch steel wire that establishes ties in transmission steel wire drives its spring bolt of connecting to withdraw from the lock larynx, and the tension of the resilience spring in the rebounding device acts on the uide pin, upwards backs up the roof, can conveniently take off the apron. When the handle is released, the restoring force of the springs on the four countersunk head screws enables the locking block to be attached to the front surface of the shell again. The handle rotates downwards and is attached to the side plate again.
Compared with the existing chassis, the locking mechanism of the chassis cover plate of the electronic equipment and the using method thereof have the beneficial effects that: 1. the cover plate can be quickly locked on the box body by manually pressing the cover plate downwards without dismounting any screw; 2. the cover plate can be quickly disassembled only by using the handle without any tool, so that time and labor are saved, and equipment maintenance is facilitated; 3. the safety lock is locked, and the case can be opened only by grasping the unlocking password, so that the circuit module in the electronic equipment is effectively protected; 4. the cover plate is tightly attached to the box body, and the cover plate and the box body are in tight gapless contact, so that the electromagnetic shielding property is ensured; 5. the appearance of the case is neat and beautiful.
Drawings
Fig. 1 is a perspective view of an electronic device case after a cover plate of an embodiment of a locking mechanism of a cover plate of the electronic device case is locked;
FIG. 2 is a schematic diagram of a cover plate structure of an embodiment of the locking mechanism of the cover plate of the electronic device chassis;
FIG. 3 is a schematic diagram of a housing structure of an embodiment of the locking mechanism of the cover plate of the electronic device housing;
FIG. 4 is a schematic diagram of an overall structure of an embodiment of a locking mechanism of a cover plate of an electronic equipment chassis;
FIG. 5 is a schematic bottom view of the latch bolt assembly of FIG. 4;
fig. 6 is a schematic view of one of the locking tongues of fig. 4 snapped into the lock throat;
FIG. 7 is a schematic view of a guide rebounder structure of FIG. 4;
fig. 8 is a perspective view of one of the latch assemblies of fig. 4.
FIG. 9 is a schematic perspective view of the locking block, slider and linkage of the locking assembly of FIG. 8 from the inner side of the locking block;
FIG. 10 is a rear view of the latch block of FIG. 9;
FIG. 11 is a schematic top view of the latch block of FIG. 9;
FIG. 12 is a front view schematic of the housing and safety lock of FIG. 8;
FIG. 13 is a schematic top view of the housing and safety lock of FIG. 8 below the top plate;
FIG. 14 is a perspective view of one of the positive stops and handle end shafts of the handle holder of FIG. 8;
FIG. 15 is the view in the direction A of FIG. 14 with the handle resting against the outside of the side panel;
FIG. 16 is the view in the direction A of FIG. 14 after the lower portion of the handle has been rotated 90 degrees upwardly;
fig. 17 is a view along direction a of fig. 14 after the handle is pulled toward the outer side of the side plate.
The reference numbers in the figures are: 1. a cover plate; 1-1, a top plate; 1-2, side plates; 2. a latch bolt assembly; 2-1, a base; 2-2, a bolt; 2-2-1, nut; 2-2-2, guide rollers; 2-3, locking spring; 2-4, a diverting pulley; 3. a guide rebounder; 3-1, a guide pin; 3-2, a rebounder; 3-2-1, a rebound spring; 4. a wire drive assembly; 4-1, a transmission steel wire; 4-2, a steering knuckle; 4-3, coupling section; 4-4, total steel wires; 4-5, dividing steel wires; 5. a locking assembly; 5-1, a locking block; 5-1-1, U-shaped block; 5-2, safety lock; 5-2-1, a slide block; 5-3, a shell; 5-3-1, a linkage; 5-3-2, a guide shaft; 5-3-3, a lower steering shaft; 5-3-4, an upper steering shaft; 5-4, a handle; 5-4-1, a handle seat; 5-4-2, end shaft; 5-4-3, a limit stop; 5-5, countersunk head screws; 5-5-1, a spring; 6. a box body; 7. and (6) locking the throat.
Detailed Description
Locking mechanism embodiment of electronic equipment case cover plate
The appearance of the electronic equipment case after the cover plate 1 of the locking mechanism of the electronic equipment case cover plate is locked is shown in fig. 1, the specific structure is shown in fig. 2 to 4, the case is a cuboid, the case body 6 has 5 rectangular surfaces of the cuboid, and a vacant rectangular surface of the cuboid is sealed by the cover plate 1. The section of the cover plate 1 of the embodiment is Jiong-shaped, the cover plate is formed by bending a plate, the top of the Jiong-shaped cover plate is a rectangular top plate 1-1 matched with a rectangular surface of a cuboid vacancy, two sides of the top plate 1-1 are side plates 1-2 vertical to the top plate 1-1, and the length and the width of the side plates 1-2 of the embodiment are the same as those of the side walls of the box body 6. When the cover plate 1 is covered on the box body 6, the side plates 1-2 are positioned outside the side wall of the box body 6 and are close to the side wall of the box body 6.
The embodiment of the locking mechanism comprises a bolt component 2, a throat 7, a guide rebounder 3, a steel wire transmission component 4 and a locking component 5.
The bolt assembly 2 is arranged on the bottom surface of a top plate 1-1 of a cover plate 1, two sides of the top plate 1-1 are respectively provided with 2 bolt assemblies 2, and the front side and the rear side are respectively provided with 1 bolt assembly 2. The structure of each bolt assembly 2 is shown in figures 5 and 6 and comprises a base 2-1 and bolts 2-2, the top of the base 2-1 is connected with the bottom surface of a top plate 1-1 through screws, the bottom end of the base 2-1 is provided with a mounting hole, the center line of each bolt 2-2 is parallel to the top plate 1-1 and is vertical to a side plate 1-2, and the front end of each bolt 2-2 faces the side plate 1-2. The middle part of the bolt 2-2 is provided with a boss, the front end of a lock spring 2-3 sleeved on the bolt 2-2 is abutted against the boss, the rear end of the lock spring 2-3 is fixed on the base 2-1, and the rear end of the bolt 2-2 passes through the mounting hole and is in movable fit with the mounting hole. The rear end of the bolt 2-2 is provided with a thread and is arranged on the base 2-1 through a nut 2-2-1. The tail end of the bolt 2-2 extending out of the base 2-1 is fixedly connected with a branch steel wire 4-5. The middle part and the tail part of the base 2-1 are respectively provided with 1 steering pulley 2-4, and a branch steel wire 4-5 connected with the bolt 2-2 sequentially bypasses the 2 steering pulleys 2-4 and is fixedly connected with a transmission steel wire 4-1 parallel to the top plate 1-1; the 3 bolt assemblies 2 on one side edge of the top plate 1-1 and the adjacent front edge are 1 group, and the 3 bolt assemblies 2 on the other side edge of the top plate 1-1 and the adjacent rear edge are the other 1 group.
The front end of the bolt 2-2 is provided with a rotatable guide roller 2-2-2.
As shown in fig. 3, 4 and 6, the lock throat 7 is fixedly arranged on the inner side of the upper part of the side wall of the box body 6, and is corresponding to and matched with the bolt components 2 one by one. The longitudinal central line of the lock throat 7 is vertical to the bottom plate of the box body 6, the main body is an Jiong-shaped groove, the cross section of the main body is Jiong-shaped, the bottom of the groove is fixedly connected with the side wall of the box body 6, the width of the Jiong-shaped groove is larger than the width of the bolt 2-2, the lower end of the Jiong-shaped groove is provided with a locking hole, and the length and the width of the locking hole are larger than the height and the width of.
When the cover plate 1 is installed, the cover plate 1 is pressed downwards manually, the bolts 2-2 of each bolt assembly 2 slide downwards along the Jiong-shaped grooves corresponding to the lock throats 7 to reach the bottoms of the lock throats 7, the bolts 2-2 are sprung into the locking holes under the action of the lock springs 2-3, and the cover plate 1 is locked on the box body 6, as shown in fig. 6.
As shown in fig. 7, the guide rebounder 3 includes guide pins 3-1 fixedly installed at four corners of a top plate 1-1 of the cover plate 1 and rebounders 3-2 installed at four corners of a casing 6 in cooperation therewith. The guide pin 3-1 is a cylindrical pin, the upper part of the guide pin is provided with a screw hole, the screw hole is connected with four corners of the top plate 1-1 through screws, and the central line of the guide pin 3-1 is vertical to the top plate 1-1. The rebounder 3-2 is provided with a cylindrical pin cylinder and a lower connecting screw, the screws are screwed into screw holes in the tops of four wall corners of the box body 6, the center line of the rebounder 3-2 is perpendicular to a bottom plate of the box body 6, and the rebounder 3-2 is matched with the guide pins 3-1 on the top plate 1-1 in a one-to-one correspondence mode. The inner diameter of a cylindrical pin cylinder of the rebounder 3-2 is larger than the diameter of the guide pin 3-1, the bottom end of the rebounding spring 3-2-1 is fixed at the bottom of the cylindrical pin cylinder, and a gasket is arranged at the top of the rebounding spring 3-2-1.
When the cover plate 1 is installed, the guide pins 3-1 at the four corners of the top plate 1-1 are opposite to the rebounders 3-2 at the four corners of the box body 6 one by one, the cover plate 1 is pressed downwards, the guide pins 3-1 press the rebounding springs 3-2-1 in the pin cylinders of the rebounders 3-2 to be compressed, and the guide pins 3-1 are inserted into the cylindrical pin cylinders.
As shown in fig. 8 to 13, two identical sets of locking assemblies 5 are respectively mounted on the outer sides of two opposite side plates 1-2 of the top plate 1-1, and each set of locking assembly 5 comprises a housing 5-3, a locking block 5-1, a safety lock 5-2 and a handle 5-4. The outer sides of two side plates 1-2 of the cover plate 1 are respectively fixed with 1 shell 5-3 and 2 handle seats 5-4-1.
The shell 5-3 is a plate, a safety lock 5-2 is installed on the upper portion of the front face of the shell 5-3, a sliding block 5-2-1 controlled by the safety lock 5-2 is embedded in a horizontal sliding groove of the shell 5-3, the sliding block 5-2-1 is locked and cannot move left and right when the safety lock 5-2 is locked, and the manual sliding block 5-2-1 moves left and right along the sliding groove when the safety lock 5-2 is unlocked.
The lower part of the front surface of the shell 5-3 is provided with a locking block 5-1. The inner surface of the locking block 5-1 is provided with a transverse groove, and the U-shaped block 5-1-1 straddles the transverse groove and is fixed with the locking block 5-1. The lower part of the shell 5-3 is provided with a cross groove, the transverse groove of the cross groove is opposite to the transverse groove on the inner surface of the locking block 5-1, and the vertical groove of the cross groove is corresponding to the U-shaped block 5-1-1 on the locking block 5-1; the inner surface of the locking block 5-1 is attached to the front surface of the lower part of the shell 5-3, the cross beam of the handle 5-4 is positioned between the transverse groove of the cross groove of the shell 5-3 and the transverse groove of the locking block 5-1, and the U-shaped block 5-1-1 is positioned in the vertical groove of the cross groove.
The linkage piece 5-3-1 is a long plate and is erected on one side of the U-shaped block 5-1-1, the upper end of the linkage piece is connected with the sliding block 5-2-1, 2 lock pins are fixed on the lower part of the linkage piece, and the central lines of the lock pins are vertical to the plate surface of the linkage piece 5-3-1 and correspond to the lock holes in the U-shaped block 5-1-1. The slider 5-2-1 drives the linkage piece 5-3-1 to move towards the U-shaped block 5-1-1 until 2 lock pins are inserted into lock holes on the U-shaped block 5-1-1.
2 horizontal guide shafts 5-3-2 installed at the housing 5-3 pass through 2 guide holes of the link member 5-3-1 to restrict the link member 5-3-1 from moving only in the horizontal direction.
The upper steering shaft 5-3-4 and the lower steering shaft 5-3-3 are both horizontally arranged in the shell 5-3, the lower steering shaft 5-3-3 is positioned behind the joint of the total steel wire 4-4 at the top of the U-shaped block 5-1-1, and the upper steering shaft 5-3-4 is positioned at the upper part of the shell 5-3. The plane formed by the upper steering shaft 5-3-4 and the lower steering shaft 5-3-3 is parallel to the side plate 1-2 of the cover plate 1 and is positioned between the side plate 1-2 and the U-shaped block 5-1-1.
One end of a total steel wire 4-4 fixed on the top of the U-shaped block 5-1-1 is led out in a direction vertical to the side plate 1-2, then bypasses a lower steering shaft 5-3-3 from the lower part and turns 90 degrees, is parallel to the side plate 1-2 and vertically upwards, bypasses an upper steering shaft 5-3-4 from the outer side and turns 90 degrees, and vertically penetrates through a steel wire hole which is tangent to the top plate 1-1 and arranged on the upper part of the side plate 1-2. The top of the side wall of the box body 6, which is attached to the side plate 1-2 of the cover plate 1, and the position corresponding to the total steel wire 4-4 led out from the locking block 5-1 are provided with grooves with the depth and the width larger than the diameter of the total steel wire 4-4. The total steel wire 4-4 passes through the groove and then passes through the steel wire hole of the side plate 1-2 to be connected with the coupling joint 4-3 of the steel wire transmission component 4 fixed on the bottom surface of the top plate 1-1.
The back of the locking block 5-1 of the embodiment is provided with 4 screw holes, and the lower part of the back of the shell 5-3 is provided with 4 through holes corresponding to the screw holes of the locking block 5-1, and the through holes are counter bores. Each countersunk head screw 5-5 is sleeved with a spring 5-5-1, the lower end of the countersunk head screw 5-5 penetrates through a countersunk hole of the shell 5-3, the tail end of the countersunk head screw 5-5 is screwed into a screw hole of the locking block 5-1 for fixing, and under the action of the spring 5-5-1, the back surface of the locking block 5-1 is attached to the front surface of the shell 5-3.
Four corners of the back of the shell 5-3 are respectively provided with a blind screw hole, a side plate 1-2 of the cover plate 1 is provided with a through hole corresponding to the blind screw hole of the shell 5-3, a fixing screw penetrates through the through hole of the side plate 1-2 from the inner side of the side plate 1-2 and is screwed into the blind screw hole of the back of the shell 5-3, and the back of the shell 5-3 is tightly attached to the outer side surface of the side plate 1-2 for fixing.
The safety lock 5-2 in the embodiment is a coded lock.
As shown in fig. 8 and 14 to 17, the lower part of the handle 5-4 of the flat plate is arc-shaped, the upper part is a beam connecting the two ends of the arc of the lower part, the central line of the beam is parallel to the side plate 1-2 and the top plate 1-1, and the two ends of the beam of the handle 5-4 are cylindrical end shafts 5-4-2. 2 handle seats 5-4-1 are fixed on the outer side surface of the side plate 1-2 of the cover plate 1, limit stops 5-4-3 are fixed in the handle seats 5-4-1, and the plate surface of the limit stops is vertical to the side plate 1-2. The plate surface is provided with a long waist hole, the long diameter of the long waist hole is vertical to the side plate 1-2, and the end shaft 5-4-2 is rotatably inserted into the long waist hole of the limit stop 5-4-3. The short diameter of the long waist hole is equal to the diameter of 5-4-2 of the end shaft of the handle beam, and the two are in movable fit.
The handle 5-4 crossbeam is embedded in the transverse groove of the locking block 5-1 and the transverse groove of the cross groove of the shell 5-3 and is positioned between the U-shaped block 5-1-1 and the locking block 5-1. After the cover plate 1 is covered on the box body 6, the handles 5-4 at the two sides are respectively attached to the outer side surfaces of the side plates 1-2 of the cover plate 1.
As shown in figures 14 to 17, the outward board surface of the limit stop 5-4-3 of the present example has a rear convex edge protruding outward at the rear part close to the side board 1-2, the upper end of the rear convex edge is flush with the upper edge of the board surface of the limit stop 5-4-3, and the lower end is tangent to the upper edge of the long waist hole.
The end shaft 5-4-2 is fixed with a rectangular plate which is perpendicular to the central line of the end shaft 5-4-2, the center of the plate is positioned on the central line of the end shaft 5-4-2, the width of the plate is equal to the diameter of the end shaft 5-4-2, and the length of the plate is larger than the diameter of the end shaft 5-4-2.
The upper part and the lower part of the front part of the board surface facing the outer side of the limit stop 5-4-3 are provided with an upper convex edge and a lower convex edge which are convex towards the outer side, the front ends of the upper convex edge and the lower convex edge are parallel to the front edge of the board surface of the limit stop 5-4-3, and the distance between the rear end of the upper convex edge and the rear convex edge is equal to or larger than the diameter of the end shaft 5-4-2. The distance between the upper convex edge and the lower convex edge is larger than the length of the plate on the end shaft 5-4-2 and smaller than the diagonal line of the plate.
When the handle 5-4 is attached to the outer side surface of the side plate 1-2 of the cover plate 1, the end shaft 5-4-2 is positioned at the inner end of the long waist hole, the plate sheet covers the outer side surface of the limit stop 5-4-3, the long edge of the plate sheet is parallel to the long diameter of the long waist hole, the rear end of the long edge of the plate sheet is abutted to the lower end of the rear convex edge of the limit stop 5-4-3, and the rear convex edge limits the plate sheet of the handle end shaft 5-4-2, so that the end shaft 5-4-2 can only rotate towards one direction. When the lower part of the handle 5-4 rotates upwards for 90 degrees, the long edge of the plate on the end shaft 5-4-2 is vertical to the long diameter of the long waist hole, the upper part of the long edge is attached to the front end of the rear convex edge, the handle 5-4 is pulled outwards, the end shaft 5-4-2 translates to the outer end of the long waist hole, the plate on the end shaft is positioned between the upper convex edge and the lower convex edge of the limit stop 5-4-3, and the square of the upper convex edge and the lower convex edge for limiting the end shaft 5-4-2 continues rotating.
When the cover plate 1 is opened, the arc at the lower part of the handle 5-4 rotates upwards, the beam at the upper part of the handle 5-4 rotates in the space between the transverse groove and the U-shaped block 5-1-1, the end shaft 5-4-2 rotates in the long waist hole of the limit stop 5-4-3 until the handle 5-4 rotates to be horizontal. When the locking block 5-1 is unlocked, the handle 5-4 horizontally pulls the locking block 5-13-4 mm to the outer side of the side plate 1-2.
The steel wire transmission component 4 of the embodiment is 2 sets of the same components, and comprises a total steel wire 4-4, a transmission steel wire 4-1, a branch steel wire 4-5, a steering knuckle 4-2 and a coupling knuckle 4-3. A coupling joint 4-3 fixed on the bottom surface of the top plate 1-1 is internally provided with a coupling head, a left steering shaft and a right steering shaft, a total steel wire 4-4 connected with a U-shaped block 5-1-1 at each side passes through a side plate 1-2 after passing through a lower steering shaft 5-3 and an upper steering shaft 5-3 and 5-3-4 and is connected with the coupling head in the coupling joint 4-3, 2 transmission steel wires 4-1 connected with the coupling head are respectively led out in opposite directions through the left steering shaft and the right steering shaft on the bottom surface of the top plate 1-1 and along the side edge where the locking component 5 is positioned, the transmission steel wires 4-1 are respectively connected with branch steel wires 4-5 connected with the lock tongues 2-2 of the 3 lock tongue components 2 at the two adjacent edges of the top plate 1-1 in series, the steering joint 4-2 of the rotating shaft is fixed on the bottom surface of the top plate 1-1, the transmission steel wire 4-1 is turned to 90 degrees through the steering knuckle 4-2 to the bolt assembly 2 at the adjacent side of the top plate 1-1.
In this embodiment, the top of the four walls of the box 6 is provided with conductive rubber strips, so that the cover plate 1 is in tight and gapless contact with the box 6, and the electromagnetic shielding performance is ensured.
Method for using locking mechanism of electronic equipment chassis cover plate
The embodiment of the using method of the locking mechanism of the electronic equipment chassis cover plate is the embodiment of the locking mechanism of the electronic equipment chassis cover plate.
Before the cover plate 1 is installed, handles 5-4 on two side plates 1-2 of the cover plate 1 are attached to the side plates 1-2, a locking block 5-1 is attached to the front face of a shell 5-3, and springs 5-5-1 on four countersunk head screws 5-5 are in a relaxation state. When the cover plate 1 is installed, the guide pins 3-1 of the guide rebounders 3 at the four corners of the bottom surface of the top plate 1-1 are aligned to the corresponding rebounders 3-2 at the four corners of the box body 6, the cover plate 1 is pressed, so that the lock tongues 2-2 of the lock tongue assemblies 2 are inserted into the lock throats 7 to be locked, and the total steel wires 4-4, the transmission steel wires 4-1 and the branch steel wires 4-5 are in a tensioning state; the guide pin 3-1 of each guide rebounder 3 is inserted into the corresponding rebounder 3-2, and the rebound spring 3-2-1 in the rebounder 3-2 is compressed. And manually moving a sliding block 5-2-1 on the safety lock 5-2 to ensure that a lock pin of the linkage 5-3-1 is inserted into a lock hole of the U-shaped block 5-1-1. The safety lock 5-2 locks the slider 5-2-1 against movement, so that the cover 1 is locked. The electronic equipment case with the cover plate 1 locked by the locking mechanism of the electronic equipment case cover plate embodiment is strong in appearance integrity, and the case body 6 is tightly contacted with the cover plate 1 without gap, so that the electromagnetic shielding performance is ensured, as shown in fig. 1.
When the cover plate 1 is disassembled, the safety lock 5-2 is opened, the sliding block 5-2-1 is moved, and the lock pin of the linkage piece 5-3-1 connected with the sliding block is made to exit from the lock hole of the U-shaped block 5-1-1; the arc of the lower part of the handle 5-4 attached to the two side plates 1-2 of the cover plate 1 is rotated upwards until the handle 5-4 is horizontal, the handle 5-4 is pulled outwards, the handle 5-4 acts on the locking block 5-1, the locking block 5-1 outwards leaves the front surface of the shell 5-3, and the spring 5-5-1 on the four countersunk head screws 5-5 is compressed. The total steel wire 4-4 connected with the U-shaped block 5-1-1 is pulled at the same time, the transmission steel wire 4-1 is pulled by the total steel wire 4-4 through the coupling joint 4-3, each branch steel wire 4-5 connected in series with the transmission steel wire 4-1 drives the bolt 2-2 connected with the branch steel wire to exit from the throat lock 7, the tension of the rebound spring 3-2-1 in the rebounder 3-2 acts on the guide pin 3-1, the top plate 1-1 is pushed upwards, and the cover plate 1 can be conveniently taken down. When the handle 5-4 is released, the restoring force of the spring 5-5-1 on the four countersunk head screws 5-5 causes the locking block 5-1 to be attached to the front surface of the shell 5-3 again. The handle 5-4 is turned downwards and is attached to the side plate 1-2 again. The cover plate 1 can be disassembled quickly by only rotating the handles 5-4 without any tool, so that time and labor are saved.
The above-described embodiments are only specific examples for further explaining the object, technical solution and advantageous effects of the present invention in detail, and the present invention is not limited thereto. Any modification, equivalent replacement, improvement and the like made within the scope of the disclosure of the present invention are included in the protection scope of the present invention.
Claims (9)
1. A locking mechanism of a cover plate of a case of an electronic device is characterized in that the case is a cuboid, a case body (6) is provided with 5 rectangular surfaces of the cuboid, and a vacant rectangular surface of the cuboid is sealed by a cover plate (1); the method is characterized in that:
the cross section of the cover plate (1) is Jiong-shaped, the top of the Jiong-shaped cover plate is a rectangular top plate (1-1) matched with a rectangular vacant rectangular surface of a cuboid, two sides of the top plate (1-1) are fixedly connected with side plates (1-2) perpendicular to the top plate (1-1), and when the cover plate (1) covers the box body (6), the side plates (1-2) are positioned outside the side wall of the box body (6) and abut against the side wall of the box body (6);
the locking mechanism comprises a bolt component (2), a throat (7), a guide rebounder (3), a steel wire transmission component (4) and a locking component (5);
the lock tongue component (2) is arranged on the bottom surface of a top plate (1-1) of the cover plate (1), 1 or 2 lock tongue components (2) are arranged on each edge of the top plate (1-1), each lock tongue component (2) comprises a base (2-1) and a lock tongue (2-2), the top of the base (2-1) is connected with the bottom surface of the top plate (1-1), a mounting hole is formed in the bottom end of the base (2-1), the center line of the lock tongue (2-2) is parallel to the top plate (1-1) and perpendicular to the side plate (1-2), and the front end of the lock tongue (2-2) faces towards the side plate (1-2); a boss is arranged in the middle of the lock tongue (2-2), the front end of a lock spring (2-3) sleeved on the lock tongue (2-2) is abutted against the boss, the rear end of the lock spring (2-3) is fixed on the base (2-1), the rear end of the lock tongue (2-2) penetrates through the mounting hole, and the lock tongue (2-2) is in movable fit with the mounting hole; the rear end of the bolt (2-2) is provided with threads and is arranged on the base (2-1) through a nut (2-2-1); the tail end of the bolt (2-2) extending out of the base (2-1) is fixedly connected with a branch steel wire (4-5) of the steel wire transmission component (4); the middle part and the tail part of the base (2-1) are respectively provided with 1 steering pulley (2-4), and a branch steel wire (4-5) connected with the bolt (2-2) sequentially bypasses the 2 steering pulleys (2-4) and is fixedly connected with a transmission steel wire (4-1) parallel to the top plate (1-1); the plurality of bolt components (2) positioned on two adjacent edges of the top plate (1-1) are 1 group;
the lock throats (7) are fixedly arranged on the inner side of the upper part of the side wall of the box body (6), correspond to the lock tongue components (2) one by one and are matched with the lock tongue components; the longitudinal central line of the lock throat (7) is vertical to the bottom plate of the box body (6), the main body is an Jiong-shaped groove, the cross section of the main body is Jiong-shaped, the bottom of the groove is connected with the side wall of the box body (6), the width of the Jiong-shaped groove is larger than the width of the bolt (2-2), the lower end of the Jiong-shaped groove is provided with a locking hole, and the length and width of the locking hole are larger than the height and width of the bolt (2-2);
when the cover plate (1) is installed, the cover plate (1) is pressed downwards manually, the lock tongues (2-2) of the lock tongue assemblies (2) slide downwards along Jiong-shaped grooves corresponding to the lock throats (7) to reach the bottoms of the lock throats (7), the lock tongues (2-2) are bounced into locking holes under the action of lock springs (2-3), and the cover plate (1) is locked on the box body (6);
the guide rebounder (3) comprises guide pins (3-1) fixedly arranged at four corners of a top plate (1-1) of the cover plate (1) and rebounders (3-2) matched with the guide pins and arranged at four wall corners of the box body (6); the guide pins (3-1) are cylindrical pins, the upper parts of the guide pins are fixedly connected to four corners of a top plate (1-1) of the cover plate (1), and the central lines of the guide pins (3-1) are vertical to the top plate (1-1); the rebounder (3-2) is provided with a cylindrical pin cylinder, the lower end of the rebounder (3-2) is fixedly connected to the top of the four wall corners of the box body (6), the central line of the rebounder (3-2) is perpendicular to the bottom plate of the box body (6), and the rebounder (3-2) is correspondingly matched with the guide pins (3-1) on the top plate (1-1) one by one; the inner diameter of a cylindrical pin cylinder of the rebounder (3-2) is larger than the diameter of the guide pin (3-1), and the bottom end of the rebounding spring (3-2-1) is fixed at the bottom of the cylindrical pin cylinder;
when the cover plate (1) is installed, the guide pins (3-1) at the four corners of the top plate (1-1) are opposite to the rebounders (3-2) at the four corners of the box body (6) one by one, the cover plate (1) is pressed downwards, the guide pins (3-1) press the rebounding springs (3-2-1) in the cylindrical pin cylinders, and the guide pins (3-1) are inserted into the cylindrical pin cylinders of the rebounders (3-2);
the locking assemblies (5) are of two same sets and are respectively arranged on the outer sides of two opposite side plates (1-2) of the cover plate (1), and each set of locking assembly (5) comprises a shell (5-3), a locking block (5-1), a safety lock (5-2) and a handle (5-4); the outer sides of two side plates (1-2) of the cover plate (1) are respectively fixed with 1 shell (5-3) and 2 handle seats (5-4-1);
the shell (5-3) is a plate, a safety lock (5-2) is installed on the upper portion of the front side of the shell, a sliding block (5-2-1) controlled by the safety lock (5-2) is embedded in a horizontal sliding groove of the shell (5-3), the sliding block (5-2-1) is locked and cannot move left and right when the safety lock (5-2) is locked, and the manual sliding block (5-2-1) moves left and right along the sliding groove when the safety lock (5-2) is unlocked;
a locking block (5-1) is arranged at the lower part of the front surface of the shell (5-3); the inner surface of the locking block (5-1) is provided with a transverse groove, and the U-shaped block (5-1-1) spans the transverse groove on the inner surface of the locking block (5-1) and is fixed with the locking block (5-1); the lower part of the shell (5-3) is provided with a cross groove, the transverse groove of the cross groove is opposite to the transverse groove on the inner surface of the locking block (5-1), and the vertical groove of the cross groove is corresponding to the U-shaped block (5-1-1) on the locking block (5-1); when the inner surface of the locking block (5-1) is attached to the front surface of the lower part of the shell (5-3), the cross beam of the handle (5-4) is positioned in the transverse groove of the cross groove of the shell (5-3) and the transverse groove of the locking block (5-1), and the U-shaped block (5-1-1) is positioned in the vertical groove of the cross groove;
the linkage piece (5-3-1) is a long plate and is erected on one side of the U-shaped block (5-1-1), the upper end of the linkage piece is connected with the sliding block (5-2-1), 2 lock pins are fixed on the lower part of the linkage piece, and the central line of each lock pin is vertical to the plate surface of the linkage piece (5-3-1) and corresponds to a lock hole in the U-shaped block (5-1-1); the slide block (5-2-1) drives the linkage piece (5-3-1) to move towards the U-shaped block (5-1-1) until 2 lock pins are inserted into lock holes on the U-shaped block (5-1-1);
2 horizontal guide shafts (5-3-2) arranged on the shell (5-3) penetrate through 2 guide holes of the linkage piece (5-3-1);
the upper steering shaft (5-3-4) and the lower steering shaft (5-3-3) are both horizontally arranged in the shell (5-3), the lower steering shaft (5-3-3) is positioned behind the joint of the total steel wire (4-4) at the top of the U-shaped block (5-1-1), and the upper steering shaft (5-3-4) is positioned at the upper part of the shell (5-3); the plane formed by the upper steering shaft (5-3-4) and the lower steering shaft (5-3-3) is parallel to the side plate (1-2) of the cover plate (1) and is positioned between the side plate (1-2) and the U-shaped block (5-1-1);
one end of a total steel wire (4-4) fixed at the top of the U-shaped block (5-1-1) is led out in a direction vertical to the side plate (1-2), the total steel wire (4-4) bypasses a lower steering shaft (5-3-3) from the lower part, turns 90 degrees, is parallel to the side plate (1-2), vertically upwards, bypasses an upper steering shaft (5-3-4) from the outer side, turns 90 degrees, vertically passes through a steel wire hole which is tangential to the top plate (1-1) and on the upper part of the side plate (1-2), and is connected with a coupling joint (4-3) of a steel wire transmission assembly (4) fixed at the bottom surface of the top plate (1-1);
the back of the locking block (5-1) is provided with at least 3 screw holes; through holes corresponding to the screw holes of the locking block (5-1) are formed in the lower portion of the back face of the shell (5-3) and are counter bores; a spring (5-5-1) is sleeved on each countersunk head screw (5-5), the lower end of the countersunk head screw (5-5) penetrates through a through hole of the shell (5-3), the tail end of the countersunk head screw (5-5) is screwed into a screw hole of the locking block (5-1) for fixation, and the back surface of the locking block (5-1) is attached to the front surface of the shell (5-3);
the back surface of the shell (5-3) is tightly attached to the outer side surface of the side plate (1-2) for fixation;
the lower part of a flat handle (5-4) is arc-shaped, the upper part is a beam connected with the two ends of the lower arc, the central line of the beam is parallel to the side plate (1-2) and the top plate (1-1), and the two ends of the beam of the handle (5-4) are cylindrical end shafts (5-4-2); 2 handle seats (5-4-1) are fixed on the outer side surface of a side plate (1-2) of the cover plate (1), limit stops (5-4-3) are fixed in the handle seats (5-4-1), the plate surface of each limit stop is perpendicular to the side plate (1-2), and long waist holes are formed in the plate surface; the end shaft (5-4-2) is rotatably inserted into the long waist hole of the limit stop block (5-4-3); the beam of the handle (5-4) is embedded in the transverse groove of the locking block (5-1) and is positioned between the U-shaped block (5-1-1) and the locking block (5-1); after the cover plate (1) is covered on the box body (6), the handles (5-4) at two sides are respectively attached to the outer side surfaces of the side plates (1-2) of the cover plate (1);
the steel wire transmission assemblies (4) are 2 sets of the same and comprise a total steel wire (4-4), a transmission steel wire (4-1), a branch steel wire (4-5), a steering knuckle (4-2) and a coupling knuckle (4-3); a coupling head, a left steering shaft and a right steering shaft are arranged in a coupling joint (4-3) fixed on the side edge of the bottom surface of a top plate (1-1), a total steel wire (4-4) connected with a U-shaped block (5-1-1) on each side passes through a side plate (1-2) after passing through a lower rotating shaft (5-3-3) and an upper rotating shaft (5-3-4) and is connected with the coupling head in the coupling joint (4-3), 2 transmission steel wires (4-1) connected with the coupling head are respectively led out in opposite directions through the left steering shaft and the right steering shaft, on the bottom surface of the top plate (1-1) and along the side edge where a locking component (5) is positioned, the transmission steel wire (4-1) is connected in series with the branch steel wire (4-5) connected with the lock tongue (2-2) of each lock tongue component (2) on two adjacent edges of the top plate (1-1); at the joint of two sides of the top plate (1-1), a knuckle (4-2) of a rotating shaft is fixed on the bottom surface of the top plate (1-1), and a transmission steel wire (4-1) turns 90 degrees to a bolt component (2) on the adjacent side of the top plate (1-1) through the knuckle (4-2).
2. The locking mechanism of the cover plate of the electronic equipment cabinet according to claim 1, characterized in that:
the length and width of the side plate (1-2) of the cover plate (1) are the same as those of the side wall of the box body (6) corresponding to the side plate.
3. The locking mechanism of the cover plate of the electronic equipment cabinet according to claim 1, characterized in that:
the front end of the lock tongue (2-2) is provided with a rotatable guide roller (2-2-2).
4. The locking mechanism of the cover plate of the electronic equipment cabinet according to claim 1, characterized in that:
the safety lock (5-2) is a coded lock.
5. The locking mechanism of the cover plate of the electronic equipment cabinet according to claim 1, characterized in that:
the plate surface of the limit stop block (5-4-3) facing the outer side is provided with a rear convex edge protruding towards the outer side at the rear part close to the side plate (1-2), the upper end of the rear convex edge is flush with the upper edge of the plate surface of the limit stop block (5-4-3), and the lower end of the rear convex edge is tangent to the upper edge of the long waist hole;
a rectangular plate is fixed on the end shaft (5-4-2), the plate is perpendicular to the central line of the end shaft (5-4-2), the center of the plate is positioned on the central line of the end shaft (5-4-2), the width of the plate is equal to the diameter of the end shaft (5-4-2), and the length of the plate is larger than the diameter of the end shaft (5-4-2);
the upper part and the lower part of the front part of the board surface facing the outer side of the limit stop (5-4-3) are provided with an upper convex edge and a lower convex edge which are convex towards the outer side, the front ends of the upper convex edge and the lower convex edge are level with the front edge of the board surface of the limit stop (5-4-3), and the distance between the rear end of the upper convex edge and the rear convex edge is equal to or larger than the diameter of the end shaft (5-4-2); the distance between the upper convex edge and the lower convex edge is larger than the length of the plate on the end shaft (5-4-2) and smaller than the diagonal line of the plate;
when the handle (5-4) is attached to the outer side surface of the side plate (1-2) of the cover plate (1), the end shaft (5-4-2) is positioned at the inner end of the long waist hole, the plate sheet covers the outer side surface of the limit stop (5-4-3), the long edge of the plate sheet is parallel to the long diameter of the long waist hole, and the rear end of the long edge of the plate sheet is abutted to the lower end of the rear convex edge of the limit stop (5-4-3); when the lower part of the handle (5-4) rotates upwards by 90 degrees, the long edge of the plate on the end shaft (5-4-2) is vertical to the long diameter of the long waist hole, the handle (5-4) is pulled outwards, the end shaft (5-4-2) translates to the outer end of the long waist hole, and the plate on the end shaft is positioned between the upper convex edge and the lower convex edge of the limit stop (5-4-3).
6. The locking mechanism of the cover plate of the electronic equipment cabinet according to claim 1, characterized in that:
when the cover plate (1) is opened, an arc at the lower part of the handle (5-4) rotates upwards, a cross beam at the upper part of the handle (5-4) rotates in a space between the transverse groove and the U-shaped block (5-1-1), the end shaft (5-4-2) rotates in a long waist hole of the limit stop block (5-4-3) until the handle (5-4) rotates to be horizontal; when the locking block (5-1) is unlocked, the handle (5-4) horizontally pulls the locking block (5-1) 3-4 mm to the outer side of the side plate (1-2).
7. The locking mechanism of the cover plate of the electronic equipment cabinet according to claim 1, characterized in that:
grooves with the depth and width larger than the diameter of the total steel wire (4-4) are arranged at the positions, corresponding to the total steel wire (4-4) led out from the U-shaped block (5-1-1), on the top of the side wall of the box body (6) attached to the side plate (1-2) of the cover plate (1).
8. The locking mechanism of the cover plate of the electronic equipment cabinet according to claim 1, characterized in that:
and conductive rubber strips are arranged at the tops of the four walls of the box body (6).
9. Use of the locking mechanism of the cover plate of the electronic equipment cabinet according to any one of claims 1 to 8, characterized in that:
before the cover plate (1) is installed, handles (5-4) on two side plates (1-2) of the cover plate (1) are attached to the side plates (1-2), a locking block (5-1) is attached to the front of a shell (5-3) tightly, and springs (5-5-1) on four countersunk head screws (5-5) are in a relaxation state; when the cover plate (1) is installed, the guide pins (3-1) of the guide rebounders (3) at the four corners of the bottom surface of the top plate (1-1) are aligned to the corresponding rebounders (3-2) at the four corners of the box body (6), the cover plate (1) is pressed, the lock tongues (2-2) of each lock tongue assembly (2) are inserted into the lock throats (7) to be locked, and the main steel wires (4-4), the transmission steel wires (4-1) and the branch steel wires (4-5) are in a tensioning state; the guide pin (3-1) of each guide rebounder (3) is inserted into the corresponding rebounder (3-2), and the rebound spring (3-2-1) in each rebounder (3-2) is compressed; manually moving a sliding block (5-2-1) of the safety lock (5-2) to enable a lock pin of the linkage piece (5-3-1) to be inserted into a lock hole of the U-shaped block (5-1-1); the safety lock (5-2) locks the sliding block (5-2-1) to prevent the sliding block from moving, and the cover plate (1) is locked;
when the cover plate (1) is disassembled, the safety lock (5-2) is opened, the sliding block (5-2-1) is moved, and the lock pin of the linkage piece (5-3-1) connected with the sliding block is made to exit from the lock hole of the U-shaped block (5-1-1); the arc of the lower part of a handle (5-4) attached to two side plates (1-2) of a cover plate (1) is rotated upwards, when the handle (5-4) is horizontal, the handle (5-4) is pulled outwards, a locking block (5-1) moves outwards and leaves the front surface of a shell (5-3), and springs (5-5-1) on four countersunk head screws (5-5) are compressed; a main steel wire (4-4) connected with a U-shaped block (5-1-1) is pulled, the main steel wire (4-4) pulls a transmission steel wire (4-1) through a coupling joint (4-3), each branch steel wire (4-5) connected in series with the transmission steel wire (4-1) drives a bolt (2-2) connected with the main steel wire to exit from a lock throat (7), the tension of a rebound spring (3-2-1) in a rebound device (3-2) acts on a guide pin (3-1), a top plate (1-1) is pushed upwards, and a cover plate (1) is taken down; when the handle (5-4) is released, the springs (5-5-1) on the four countersunk head screws (5-5) enable the locking block (5-1) to be attached to the front surface of the shell (5-3) again; the handle (5-4) rotates downwards and is attached to the side plate (1-2) again.
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| CN201811380757.2A CN109496087B (en) | 2018-11-20 | 2018-11-20 | Locking mechanism of electronic equipment case cover plate and using method thereof |
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| CN201811380757.2A CN109496087B (en) | 2018-11-20 | 2018-11-20 | Locking mechanism of electronic equipment case cover plate and using method thereof |
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| CN109496087B true CN109496087B (en) | 2020-07-17 |
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| CN114390842A (en) * | 2021-11-29 | 2022-04-22 | 中航光电科技股份有限公司 | Locking device of airborne electronic equipment |
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