CN210768226U - Intelligent lock low-power consumption anti-blocking motor transmission mechanism - Google Patents

Abstract

The utility model relates to an intelligent lock low-power consumption anti-blocking motor drive mechanism is relatively poor to current like product commonality, produces easily and plugs up the not condition of rotation and takes place, consumes energy great technical problem and designs. A motor base and a motor shell of the motor transmission mechanism are fixed into a whole through screws, a plastic motor and a screw rod are arranged in the motor shell, and the screw rod extends out of the motor shell and is connected with a bolt; the key point is that a through hole which is obliquely arranged is arranged in the screw rod at the joint of the screw rod and the bolt, a steel ball which is propped and extends out of orifices at two sides through a small spring is arranged in the through hole, the steel ball is propped against an internal thread groove of the bolt through the small spring, the thread groove is arranged on the inner wall of a shaft hole of the bolt, a convex sliding block is arranged at one side of the outer diameter of the bolt, and the sliding block is inserted into a sliding groove which is opened; the steel ball and the screw rod are driven by the motor to rotate, and the steel ball slides in the inner diameter thread groove of the bolt to reciprocate; after the stroke, the steel ball rebounds to the screw groove, the screw idles, and the handle is suitable for being used in a handle plane lock.

Description

Intelligent lock low-power consumption anti-blocking motor transmission mechanism

Technical Field

The utility model relates to a rack intelligence lock is an intelligent lock low-power consumption anti-blocking motor drive mechanism.

Background

At present, an optical cable cross connecting box is generally a passive device, and in the unlocking process of a lock, the electromagnetic valve (motor) of an execution element requires low power consumption, small load, small current, short power supply time and the like, so that the linkage mechanism of the execution element is required to have small motion resistance, fast and accurate switching, timely feedback and accurate control. The electromagnetic valve of the conventional locking mechanism is used as a stressed element, power is supplied to attract the electromagnetic valve all the time in the unlocking process, and meanwhile, the magnetic core bearing is subjected to larger load, so that the electromagnetic valve has the defects of large power consumption, heat generation, easiness in damage and incapability of opening the lock. The invention discloses an intelligent lock of a universal-mounting-type optical cross-connect box as application number 201910043189.5 disclosed in Chinese patent literature, application publication date 2019.05.31, and the invention is named as 'universal-mounting-type optical cross-connect box' and is characterized in that a handle assembly is arranged in a base of the intelligent lock, a motor groove is arranged below a light guide column of the base, a motor moving assembly and a circuit board are arranged in the motor groove, a telescopic shaft of the motor moving assembly extends out of the motor groove on one side of the base and is inserted into a handle side lock hole on a handle locking end in the handle assembly, a motor shaft at one end of a motor in the motor moving assembly is connected with the telescopic shaft through threads, a microswitch is arranged on the circuit board on one side of a sliding head of the telescopic shaft, when the telescopic shaft of the motor moving assembly is inserted into the lock hole on one side of the handle, the microswitch of the circuit board is. However, the connection stability between the motor shaft and the telescopic shaft in the motor structure of the product is poor, and the situation that the shell is blocked and does not rotate exists, so that further improvement is needed.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide an intelligent lock low-power consumption anti-blocking motor transmission mechanism to the field, so that the universality of the existing like products is poor, the non-rotation condition is plugged easily, and the energy consumption is great. The purpose is realized by the following technical scheme.

A kind of intellectual lock low power consumption anti-block motor drive mechanism, the drive mechanism of the motor is set up in the base of the tool to lock, the motor cabinet of the drive mechanism of the motor is fixed with the motor casing through the screw into an organic whole, there are plastic electrical machinery and threaded spindle in the motor casing, the plastic electrical machinery is fixed to the motor cabinet, the motor shaft of the plastic electrical machinery is connected with threaded spindle, the threaded spindle stretches out the motor casing and is connected with bolt, the end of the bolt has oblique guide heads, the binding post of the plastic electrical machinery stretches out the wiring hole of the motor cabinet, the binding post of the plastic electrical machinery is connected with; the screw rod of the screw rod and bolt junction is internally provided with a through hole which is obliquely arranged, a steel ball which is propped by a small spring and extends out of orifices on two sides is arranged in the through hole, the steel ball is propped against an internal thread groove of the bolt through the small spring, the thread groove is arranged on the inner wall of a shaft hole of the bolt, one side of the outer diameter of the bolt is provided with a convex slide block, and the slide block is inserted into a chute of an opening on one side of a shell opening of a motor. Therefore, the plastic motor drives the screw rod to rotate through the through hole and the steel ball structure in the screw rod, the screw rod drives the bolt to move further stably, and the situations of shell clamping and rotation blocking cannot occur; namely, the steel ball and the screw rod are driven by the motor to rotate, and the steel ball slides in the inner diameter thread groove of the bolt to reciprocate; after the stroke, the steel balls rebound to the screw groove, and the screw idles.

The motor shaft of plastics motor is equipped with crisscross fixed head, and the fixed head inserts the crisscross fixed slot of screw rod one end, and the screw rod circle footpath of fixed slot department is greater than the screw rod circle footpath of through-hole department, and the screw rod is the T font. The structure is convenient for further fixed connection between the motor shaft of the plastic motor and the screw rod.

The bottom of the motor base is provided with a spring post which is propped against the inner wall of the base through a large spring, a latch extending out of the base is inserted into a lock groove at one end of the handle, and the other end of the handle is connected with the rack transmission assembly or the three-point steel bolt assembly through a rotating shaft. In the embodiment that the motor transmission mechanism is applied to a specific lockset structure, the rotating shaft is connected with the three-point steel bolt through the screw, and the outer diameter of the rotating shaft at the connection part is provided with the shaft sleeve; or the rotating shaft is connected with a square shaft of the rack transmission assembly through a shaft sleeve, and the square shaft is connected with racks on two sides of the gear box through gears.

The handle is internally provided with a passive lock core assembly, so that the motor transmission mechanism is further energy-saving in use through the passive lock core assembly.

The plastic motor is connected with the awakening switch on one side of the base through a circuit, so that the motor transmission mechanism is further energy-saving in use through the awakening switch.

The motor casing's external diameter symmetry is equipped with bellied stopper, and the motor casing is fixed in the motor inslot in the base through the stopper. Thereby being convenient for this motor drive mechanism to be fixed in the base of tool to lock when the assembly.

The motor cabinet is equipped with bellied shell fixed block and a fixed block with the screwed connection department of motor casing, and the motor casing and the motor cabinet drill way of shell fixed block and a fixed block both sides are equipped with limit ear and the limit groove that the symmetry set up respectively, the limit ear lock of limit groove and motor casing of motor cabinet. The structure is convenient for the fixed installation between the motor casing and the motor base and the production and assembly of the motor casing and the motor base.

The utility model has the advantages of reasonable structural design, wide application range, convenient use and assembly, low production cost, good stability and strong universality; the lock is suitable for being used as a motor transmission mechanism of locks such as a handle plane lock and the like, and the structure of the similar product is improved.

Drawings

Fig. 1 is a schematic sectional structure diagram of the present invention.

Fig. 2 is a side view schematic of the structure of fig. 1.

Fig. 3 is a schematic diagram of the exploded structure of fig. 2.

Fig. 4 is a schematic structural diagram of an embodiment of the present invention.

Figure number and name: 1. bolt, 101, slider, 102, shaft hole, 2, steel ball, 3, screw rod, 301, fixed slot, 4, plastics motor, 401, fixed head, 5, little spring, 6, motor casing, 601, spout, 602, stopper, 603, shell fixed block, 7, motor cabinet, 701, spring post, 702, seat fixed block, 8, big spring, 9, base, 10, passive lock core subassembly, 11, handle, 12, pivot, 13, steel peg, 14, clamp plate, 15, apron, 16, awaken switch.

Detailed Description

The structure and use of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-3, a motor base 7 and a motor casing 6 of the motor transmission mechanism are fixed into a whole through screws, a plastic motor 4 and a screw rod 3 are arranged in the motor casing, the plastic motor is fixed on the motor base, a motor shaft of the plastic motor is connected with the screw rod, the screw rod extends out of the motor casing to be connected with a latch 1, an inclined guide head is arranged at the end part of the latch, a wiring terminal of the plastic motor extends out of a wiring hole of the motor base, and the wiring terminal of the plastic motor is connected with a circuit board through a circuit. The concrete structure is as follows: a through hole which is obliquely arranged is arranged in the screw rod at the joint of the screw rod and the bolt, a steel ball which is propped and extends out of orifices at two sides through a small spring 5 is arranged in the through hole, the steel ball is propped against a thread groove in the bolt through the small spring, the thread groove is arranged on the inner wall of a shaft hole 102 of the bolt, a convex sliding block 101 is arranged at one side of the outer diameter of the bolt, and the sliding block is inserted into a sliding groove 601 which is opened at one; a motor shaft of the plastic motor is provided with a cross-shaped fixing head 401, the fixing head is inserted into a cross-shaped fixing groove 301 at one end of the screw, the diameter of a screw ring at the fixing groove is larger than that of the screw ring at the through hole, and the screw is T-shaped. Meanwhile, the outer diameter of the motor casing is symmetrically provided with protruding limiting blocks 602, the screw connection part of the motor base and the motor casing is provided with protruding casing fixing blocks 603 and base fixing blocks 702, the motor casing and the motor base hole openings on the two sides of the casing fixing blocks and the base fixing blocks are respectively provided with symmetrically arranged side lugs and side grooves, and the side grooves of the motor base are buckled with the side lugs of the motor casing.

In the embodiment shown in fig. 4, a spring column 701 is disposed at the bottom of the motor base, the spring column abuts against the inner wall of the base 9 through a large spring 8, a latch extending out of the base is inserted into a lock groove at one end of a handle 11, the other end of the handle is connected with a steel bolt 13 through a rotating shaft 12, and a passive lock core assembly 10 is disposed in the handle. The plastic motor is connected with a wake-up switch 16 on one side of the base through a circuit, and the motor shell is fixed in a motor groove in the base through a limiting block. When the lock is used, the plastic motor receives a signal to start working, and the motor shaft drives the bolt to move through the screw rod to realize that the lock is in a pre-opening state; then, only need insert passive lock core subassembly through the electron key of taking the power in, open passive lock core subassembly, the handle in this tool to lock can be followed and popped out the use in the base. The motor transmission mechanism of the lock is arranged in the base through the cover plate 15, and the lock is arranged in the mounting hole of the corresponding door plate through the pressing plate 14.

In conclusion, the conventional industrial intelligent lock motor has the defects of high power consumption and easy locked rotation, and the mechanism adopts a steel ball and screw transmission mode, and has the characteristics of small friction force, small motor load, low power consumption, locked rotation prevention and the like compared with the traditional thread transmission mode. In traditional thread transmission, the friction force of surface contact between teeth is large, so that the lock has the phenomena of large current, rotation blockage and the like. Compared with the traditional screw transmission, the mechanism has the advantages that the steel balls and the screw rod are driven by the motor to rotate, the steel balls slide in the raceway groove (in the bolt inner diameter thread groove), the contact surface is small, and the transmission efficiency is high. As shown in figure 1, when the over-travel passes through the position, the steel balls on the screw rod rebound inwards, and at the moment, the screw rod only idles and does not cause the phenomenon of locked rotation.

Claims (7)

1. A low-power consumption anti-blocking motor transmission mechanism of an intelligent lock is arranged in a base (9) of a lock, a motor base (7) and a motor shell (6) of the motor transmission mechanism are fixed into a whole through screws, a plastic motor (4) and a screw rod (3) are arranged in the motor shell, the plastic motor is fixed on the motor base, a motor shaft of the plastic motor is connected with the screw rod, the screw rod extends out of the motor shell and is connected with a bolt (1), an inclined guide head is arranged at the end part of the bolt, a wiring terminal of the plastic motor extends out of a wiring hole of the motor base, and the wiring terminal of the plastic motor is connected with a circuit board through a circuit; the novel bolt is characterized in that a through hole which is obliquely arranged is arranged in the screw rod at the joint of the screw rod (3) and the bolt (1), a steel ball which is propped against and extends out of orifices at two sides through a small spring (5) is arranged in the through hole, the steel ball is propped against an internal thread groove of the bolt through the small spring, the thread groove is arranged on the inner wall of a shaft hole (102) of the bolt, a convex sliding block (101) is arranged on one side of the outer diameter of the bolt, and the sliding block is inserted into a sliding groove (601) of an.

2. The intelligent lock low-power consumption anti-rotation-blockage motor transmission mechanism according to claim 1, wherein a motor shaft of the plastic motor (4) is provided with a cross-shaped fixing head (401), the fixing head is inserted into a cross-shaped fixing groove (301) at one end of the screw (3), the diameter of a screw ring at the fixing groove is larger than that of a screw ring at the through hole, and the screw is in a T shape.

3. The intelligent lock low-power consumption anti-blocking motor transmission mechanism according to claim 1, wherein a spring column (701) is arranged at the bottom of the motor base (7), the spring column is abutted against the inner wall of the base (9) through a large spring (8), a latch (1) extending out of the base is inserted into a lock groove at one end of a handle (11), and the other end of the handle is connected with a rack transmission assembly or a three-point steel bolt assembly through a rotating shaft (12).

4. The low-power consumption anti-blocking motor transmission mechanism of the intelligent lock according to claim 3, wherein a passive lock cylinder assembly (10) is arranged in the handle (11).

5. The intelligent lock low-power consumption anti-blocking motor transmission mechanism according to claim 1, wherein the plastic motor (4) is connected with a wake-up switch (16) on one side of the base (9) through a line.

6. The intelligent lock low-power consumption anti-blocking motor transmission mechanism according to claim 1, wherein the outer diameter of the motor casing (6) is symmetrically provided with protruding limiting blocks (602), and the motor casing is fixed in a motor groove in the base (9) through the limiting blocks.

7. The intelligent lock low-power consumption anti-blocking motor transmission mechanism according to claim 1, wherein a screw joint of the motor base (7) and the motor casing (6) is provided with a raised casing fixing block (603) and a raised base fixing block (702), the motor casing and the motor casing hole openings on two sides of the casing fixing block and the base fixing block are respectively provided with symmetrically arranged side lugs and side grooves, and the side grooves of the motor casing are buckled with the side lugs of the motor casing.

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