Unlocking mechanism of computer key
By introducing a connection assembly consisting of a spline groove, an internal thread groove, a spline shaft and a fastening bolt into the computer key unlocking mechanism, the problem of inconvenient maintenance of the unlocking rod is solved, convenient disassembly and lubrication functions are achieved, and a manual drive backup solution is provided, reducing maintenance costs and time.
Patent Information
- Application Number
- CN202422935442.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The integrated structure of the unlocking rod and the head end of the existing computer key makes it inconvenient to repair and replace, and the repair cost and time cost are high.
A connection assembly including a spline groove, an internal thread groove, a spline shaft and a fastening bolt is designed to make the unlocking lever body detachable; an oil guide pipe and a drip nozzle are provided for lubrication; and a third bearing seat, a manual rotating shaft and a bevel gear are provided to realize the manual drive function.
The unlocking lever can be conveniently disassembled and replaced, lubricated and manually driven, thus reducing the difficulty and cost of maintenance.
Smart Images
Figure CN223450725U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of unlocking mechanisms, in particular to an unlocking mechanism for a computer key. Background Art
[0002] The microcomputer five-protection system is a system that prevents misoperation of primary and secondary power supplies. It consists of five parts: a computer, locks, computer keys, a software system for preventing misoperation, an unlocking key, and a simulation screen. The computer key is the core component of the entire five-protection system.
[0003] The top of the computer key consists of three parts: a probe, a limit rod and an unlocking rod. The unlocking rod is driven by the unlocking structure, and the motor drives the unlocking rod to rotate and unlock. There are some functional deficiencies in actual use, and there is room for improvement. For example, the head end and the rod end of the unlocking rod are an integrated structure. When the head end is damaged, the entire unlocking rod cannot be used. For maintenance, the computer key needs to be disassembled as a whole to replace the rod. The operation is troublesome, and the replacement cost and time cost are relatively high. It does not have the function of facilitating the removal of the unlocking rod.
[0004] Now, a novel unlocking mechanism of a computer key is proposed to solve the above problems. Utility Model Content
[0005] The purpose of the present utility model is to provide an unlocking mechanism for a computer key, so as to solve the problem in the above-mentioned background technology that the unlocking rod has no function of being easy to dismantle and replace.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an unlocking mechanism for a computer key, comprising an outer frame, a transverse fixing plate fixedly connected transversely between the two sides inside the outer frame, a servo motor is installed on the left side of the bottom of the transverse fixing plate, the output end of the servo motor is fixedly connected to the motor drive shaft, the top of the motor drive shaft is fixedly connected to the drive gear, the left side of the top of the transverse fixing plate is fixedly connected to the first bearing seat, the left side of the top of the outer frame is installed with a second bearing seat, the interior of the second bearing seat is vertically movably connected to the main drive shaft, the outside of the main drive shaft is fixedly connected to an outer gear ring, the top of the main drive shaft is provided with an unlocking rod body, and the interior of the main drive shaft is provided with a connecting component for facilitating replacement of the unlocking rod.
[0007] The connecting assembly includes a spline groove, which is arranged inside the top end of the main drive shaft. The bottom end of the spline groove is provided with an internal thread groove. The bottom end of the unlocking rod body is fixedly connected to the spline shaft, and the bottom end inside the unlocking rod body is inserted with a fastening bolt.
[0008] As a further technical scheme of the utility model, the outer diameter of the main drive shaft is consistent with the outer diameter of the unlocking lever body, and the top end of the main drive shaft is attached to the bottom end of the unlocking lever body.
[0009] As a further technical scheme of the utility model, the shape and size of the inside of the spline groove are adapted to the shape and size of the outside of the spline shaft, and the spline shaft can slide up and down along the inside of the spline groove.
[0010] As a further technical scheme of the utility model, the fastening bolt penetrates the spline shaft and extends to the outside, and the thread outside the fastening bolt is consistent with the thread inside the internal thread groove.
[0011] As a further technical scheme of the utility model, the top end inside the outer frame is fixedly connected with an oil guide pipe, the left side of the oil guide pipe is provided with a drop nozzle, the right side of the oil guide pipe is fixedly connected with a syringe spout, the bottom end of the drop nozzle is higher than the top end of the outer gear ring and the drive gear, and the drop nozzle is directly above the meshing position of the outer gear ring and the drive gear.
[0012] As a further technical scheme of the utility model, the right side inside the outer frame is fixedly connected with a third bearing seat, the inside of the third bearing seat is transversely movably connected with a manual rotating shaft, the right side of the manual rotating shaft is fixedly connected with a rotating disc, the upper and lower ends of the rotating disc are respectively fixedly connected with buckling plates, the left side of the manual rotating shaft is fixedly connected with a first bevel gear, the bottom end outside the motor drive shaft is fixedly connected with a second bevel gear, the tooth block outside the first bevel gear is meshed with the tooth block outside the second bevel gear, and the buckling plates are symmetrically distributed about the horizontal center line of the rotating disc.
[0013] Compared with the prior art, the computer key unlocking mechanism not only realizes the function of facilitating the replacement of the unlocking lever, but also realizes the functions of facilitating oiling and lubrication and manual driving.
[0014] (1) By setting the spline groove, internal thread groove, spline shaft and fastening bolt, when the unlocking lever body is inserted into the unlocking groove, the servo motor drives the drive gear to continuously rotate through the motor drive shaft, the drive gear drives the outer gear ring to rotate, and the main drive shaft synchronously drives the unlocking lever body to rotate uniformly in the unlocking groove to unlock, when the unlocking lever body needs to be replaced due to damage, only the screwdriver needs to be inserted into the slot at the top of the unlocking lever body, the fastening bolt is rotated and removed, the unlocking lever body and the spline shaft are synchronously extracted from the spline groove in the main drive shaft after the fastening bolt is separated from the internal thread groove, and the function of facilitating the replacement of the unlocking lever is realized.
[0015] (2) by being provided with the oil guide pipe, the drop nozzle and the syringe socket, when the outer tooth ring and the drive gear inside the structure need to be lubricated, a certain amount of lubricating oil is sucked by the syringe, then the syringe is inserted into the syringe socket and slowly pushed to give oil, the oil is slowly injected along the oil guide pipe and dripped from the drop nozzle, the dripped oil falls on the meshing part of the outer tooth ring and the drive gear, and the outer tooth ring and the drive gear are uniformly oiled and lubricated when rotating, so that the function of facilitating oiling and lubrication is realized;
[0016] (3) by being provided with the third bearing seat, the manual rotating shaft, the rotating disc, the buckle plate, the first inclined gear and the second inclined gear, when the servo motor is damaged, the operating personnel rotate the rotating disc by buckling the buckle plate, the rotating disc drives the manual rotating shaft in the third bearing seat to continuously rotate, the first inclined gear at the tail end of the manual rotating shaft is engaged with the second inclined gear on the motor driving shaft, the motor driving shaft is driven to rotate, then the outer tooth ring and the drive gear are driven to rotate, the unlocking rod body is driven to rotate, and the function of manual driving is realized. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front view structural schematic diagram of the utility model;
[0018] Figure 2 It is a front view sectional structure schematic diagram of the main drive shaft and the unlocking rod body of the utility model in a separated state;
[0019] Figure 3 It is a Figure 1 enlarged structure schematic diagram of A in the utility model;
[0020] Figure 4 It is a rotating disc side view enlarged structure schematic diagram of the utility model.
[0021] In the drawing: 1, outer frame; 2, servo motor; 3, transverse fixed plate; 4, first bearing seat; 5, second bearing seat; 6, main drive shaft; 7, outer tooth ring; 8, spline groove; 9, internal thread groove; 10, spline shaft; 11, fastening bolt; 12, unlocking rod body; 13, motor driving shaft; 14, drive gear; 15, oil guide pipe; 16, drop nozzle; 17, syringe socket; 18, third bearing seat; 19, manual rotating shaft; 20, rotating disc; 21, buckle plate; 22, first inclined gear; 23, second inclined gear. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the range protected by the utility model.
[0023] Example: See Figures 1-4 , an unlocking mechanism for a computer key, comprising an outer frame 1, a horizontal fixing plate 3 is fixedly connected horizontally between the two sides inside the outer frame 1, a servo motor 2 is installed on the left side of the bottom of the horizontal fixing plate 3, the output end of the servo motor 2 is fixedly connected to the motor drive shaft 13, the top of the motor drive shaft 13 is fixedly connected to the driving gear 14, the left side of the top of the horizontal fixing plate 3 is fixedly connected to the first bearing seat 4, the left side of the top of the outer frame 1 is installed with the second bearing seat 5, the inside of the second bearing seat 5 is vertically movably connected to the main drive shaft 6, the outside of the main drive shaft 6 is fixedly connected to the outer gear ring 7, the top of the main drive shaft 6 is provided with an unlocking lever body 12, and the inside of the main drive shaft 6 is provided with a connecting component for facilitating the replacement of the unlocking lever;
[0024] See also Figures 1-4 The unlocking mechanism of a computer key further includes a connecting assembly, which includes a spline groove 8, which is arranged inside the top end of the main drive shaft 6, and an internal thread groove 9 is provided at the bottom end of the spline groove 8. The bottom end of the unlocking lever body 12 is fixedly connected to the spline shaft 10, and the bottom end of the unlocking lever body 12 is inserted with a fastening bolt 11;
[0025] The outer diameter of the main drive shaft 6 is consistent with the outer diameter of the unlocking lever body 12. The top end of the main drive shaft 6 fits in with the bottom end of the unlocking lever body 12. The shape and size of the interior of the spline groove 8 match the shape and size of the exterior of the spline shaft 10. The spline shaft 10 can slide up and down along the interior of the spline groove 8. The fastening bolt 11 passes through the spline shaft 10 and extends to the outside. The external thread of the fastening bolt 11 matches the internal thread of the internal thread groove 9, making it easy to remove and replace the rod head of the unlocking lever.
[0026] Specifically, if Figure 1 and Figure 2 As shown, insert a screwdriver along the slot at the top of the unlocking lever body 12, rotate and remove the fastening bolt 11, and as the fastening bolt 11 disengages from the internal thread groove 9, the unlocking lever body 12 together with the spline shaft 10 can be synchronously pulled out from the spline groove 8 in the main drive shaft 6.
[0027] An oil guide tube 15 is fixedly connected to the top of the inner portion of the outer frame 1. A drip nozzle 16 is provided on the left side of the oil guide tube 15. A syringe socket 17 is fixedly connected to the right side of the oil guide tube 15. The bottom end of the drip nozzle 16 is higher than the top of the outer gear ring 7 and the drive gear 14. The drip nozzle 16 is located directly above the meshing position of the outer gear ring 7 and the drive gear 14, which facilitates lubrication and maintenance of the interior.
[0028] Specifically, if Figure 1 and Figure 3As shown, a certain amount of lubricating oil is sucked by a syringe, then the syringe is inserted into the syringe port 17 and slowly pushed to inject the oil, the oil is slowly injected along the oil guide pipe 15, and dripped from the drip nozzle 16, the dripped oil falls on the meshing part of the outer tooth ring 7 and the drive gear 14, and evenly lubricates the outer tooth ring 7 and the drive gear 14 as they rotate.
[0029] The third bearing seat 18 is fixedly connected to the right side inside the outer frame 1, the manual rotating shaft 19 is movably connected to the inside of the third bearing seat 18, the rotating disc 20 is fixedly connected to the right side of the manual rotating shaft 19, the clamping plates 21 are respectively fixedly connected to the upper and lower ends of the rotating disc 20, the first bevel gear 22 is fixedly connected to the left side of the manual rotating shaft 19, the second bevel gear 23 is fixedly connected to the bottom end outside the motor driving shaft 13, the tooth blocks outside the first bevel gear 22 and the tooth blocks outside the second bevel gear 23 are engaged, the clamping plates 21 are symmetrically distributed about the horizontal center line of the rotating disc 20, and the motor can be manually driven when it is damaged;
[0030] Specifically, as shown in Figure 3 and Figure 4 the clamping plates 21 are rotated to rotate the rotating disc 20, the rotating disc 20 drives the manual rotating shaft 19 in the third bearing seat 18 to continuously rotate, the first bevel gear 22 at the end of the manual rotating shaft 19 is engaged with the second bevel gear 23 on the motor driving shaft 13, the motor driving shaft 13 is driven to rotate, and then drives the outer tooth ring 7 and the drive gear 14 to rotate, thereby driving the unlocking rod body 12 to rotate.
[0031] Working principle: the utility model discloses in use, first, with the unlocking rod main body 12 inserts the unlocking slot, servo motor 2 is driven by motor drive shaft 13 and drives the gear wheel 14 to rotate continuously, and the gear wheel 14 drives the rotation of the external tooth ring 7, and the main drive shaft 6 is synchronous and drives the unlocking rod main body 12 to rotate uniformly in the unlocking slot and unlocks, when the unlocking rod main body 12 needs to be replaced when damage occurs, only need to insert the screwdriver along the slot in the top of unlocking rod main body 12, rotate and remove the fastening bolt 11, with the fastening bolt 11 is separated from the internal thread groove 9, and the unlocking rod main body 12 together with the spline shaft 10 can be extracted from the spline groove 8 in the main drive shaft 6 simultaneously. When the external tooth ring 7, drive gear 14 in the structure inside needs to be lubricated, a certain amount of lubricating oil is sucked by the syringe, then the syringe is inserted into the syringe inlet 17 and slowly pushed to the oil, and the oil is slowly injected along the oil guide pipe 15 and dripped from the drop nozzle 16, and the dripped oil falls on the meshing place of the external tooth ring 7, drive gear 14, and the external tooth ring 7, drive gear 14 are rotated to be uniformly oiled and lubricated. When the servo motor 2 is damaged, the operator holds the buckle plate 21 and rotates the rotating disc 20, the rotating disc 20 drives the manual rotating shaft 19 in the third bearing seat 18 to rotate continuously, the first inclined gear 22 at the end of the manual rotating shaft 19 is engaged with the second inclined gear 23 on the motor drive shaft 13, the motor drive shaft 13 is driven to rotate, and then the external tooth ring 7, drive gear 14 are driven to rotate, and the unlocking rod main body 12 is driven to rotate.
[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point, the embodiment should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. An unlocking mechanism for a computer key, comprising an outer frame (1), characterized in that: A transverse fixing plate (3) is transversely fixedly connected between the two sides inside the outer frame (1), a servo motor (2) is installed on the left side of the bottom of the transverse fixing plate (3), the output end of the servo motor (2) is fixedly connected to the motor drive shaft (13), the top of the motor drive shaft (13) is fixedly connected to the driving gear (14), the left side of the top of the transverse fixing plate (3) is fixedly connected to the first bearing seat (4), the left side of the top of the outer frame (1) is installed with the second bearing seat (5), the interior of the second bearing seat (5) is vertically movably connected to the main drive shaft (6), the outside of the main drive shaft (6) is fixedly connected to the outer gear ring (7), the top of the main drive shaft (6) is provided with an unlocking rod body (12), and the inside of the main drive shaft (6) is provided with a connecting component for facilitating the replacement of the unlocking rod; The connecting assembly includes a spline groove (8), the spline groove (8) is arranged inside the top end of the main drive shaft (6), the bottom end of the spline groove (8) is provided with an internal thread groove (9), the bottom end of the unlocking rod body (12) is fixedly connected to the spline shaft (10), and the bottom end inside the unlocking rod body (12) is inserted with a fastening bolt (11).
2. The unlocking mechanism of a computer key according to claim 1, characterized in that: The outer diameter of the main drive shaft (6) is consistent with the outer diameter of the unlocking lever body (12), and the top end of the main drive shaft (6) and the bottom end of the unlocking lever body (12) are in contact with each other.
3. The unlocking mechanism of a computer key according to claim 1, characterized in that: The shape and size of the interior of the spline groove (8) are adapted to the shape and size of the exterior of the spline shaft (10), and the spline shaft (10) can slide up and down along the interior of the spline groove (8).
4. The unlocking mechanism of a computer key according to claim 1, characterized in that: The fastening bolt (11) passes through the spline shaft (10) and extends to the outside, and the thread on the outside of the fastening bolt (11) matches the thread on the inside of the internal thread groove (9).
5. The unlocking mechanism of a computer key according to claim 1, characterized in that: An oil guide tube (15) is fixedly connected to the top of the inner portion of the outer frame (1), a drip nozzle (16) is provided on the left side of the oil guide tube (15), and a syringe socket (17) is fixedly connected to the right side of the oil guide tube (15), the bottom end of the drip nozzle (16) is higher than the top ends of the outer gear ring (7) and the driving gear (14), and the drip nozzle (16) is located directly above the meshing position of the outer gear ring (7) and the driving gear (14).
6. The unlocking mechanism of a computer key according to claim 1, characterized in that: The right side of the inner part of the outer frame (1) is fixedly connected to a third bearing seat (18), the inner part of the third bearing seat (18) is laterally movably connected to a manual rotating shaft (19), the right side of the manual rotating shaft (19) is fixedly connected to a turntable (20), the upper and lower ends of the turntable (20) are respectively fixedly connected to buckle plates (21), the left side of the manual rotating shaft (19) is fixedly connected to a first bevel gear (22), the bottom end of the outer part of the motor drive shaft (13) is fixedly connected to a second bevel gear (23), the tooth block outside the first bevel gear (22) and the tooth block outside the second bevel gear (23) are meshed, and the buckle plates (21) are symmetrically distributed about the horizontal center line of the turntable (20).