CN219220055U - Lock body driving device capable of switching driving modes - Google Patents

Abstract

The utility model discloses a lock body driving device capable of switching driving modes, which comprises a driving shell, a knob assembly, a driving assembly and a mandrel, wherein the knob assembly, the driving assembly and the mandrel are positioned in the driving shell. The drive housing includes a drive housing upper cover and a drive housing lower cover. The driving assembly comprises a rotating piece and an electric gear set, and a circle of driven toothed ring is arranged on the outer side of the rotating piece. The electric gear set comprises a driving motor, a torque control pressure spring, a driving gear and a transmission gear. According to the intelligent lock, the lock core and the clutch device are arranged in the knob, so that the knob function and the intelligent lock function are integrated, and the space utilization rate of the lock is improved; the utility model also provides a free conversion device for the driving mode in the lockset, and the driving mode is converted into a manual mode or an automatic mode through the switching screw, so that the practicability of the lockset is greatly improved.

Description

Lock body driving device capable of switching driving modes

Technical Field

The utility model relates to the field of door lock driving, in particular to the field of knob lock driving.

Background

Along with the development of intelligent home, intelligent locks are also layered endlessly, most intelligent locks are single in driving mode, and usually only automatic driving or manual driving is adopted, and a clutch structure in the intelligent lock is a key structure of the intelligent lock and has an important influence on the performance of the intelligent lock, so that the requirements of people in modern society on the intelligent lock cannot be met by a single driving mode.

Disclosure of Invention

The utility model aims to overcome the defect that the existing knob lock is single in driving mode, one lock body can only select a manual mode or an automatic mode for unlocking, and provides a lock body driving device capable of switching the driving mode.

The technical scheme adopted by the utility model is as follows: the lock body driving device capable of switching the driving mode comprises a driving shell, a knob assembly, a driving assembly and a mandrel, wherein the driving shell comprises a driving shell upper cover and a driving shell lower cover; the driving assembly comprises a rotating piece and an electric gear set; a circle of driven toothed ring is arranged on the outer side of the rotating piece; the electric gear set comprises a driving motor, a torque control pressure spring, a driving gear and a transmission gear, wherein the upper end of the driving motor is provided with a transmission shaft, the transmission gear is meshed with a driven toothed ring, the center of the driving gear is provided with an oblate power hole, the front end of the driving gear is provided with a first clutch tooth, and the rear end of the driving gear is provided with a clutch groove; the center of the transmission gear is provided with a circular through hole, and the rear end of the transmission gear is provided with a second clutch tooth; the first clutch teeth are meshed with the second clutch teeth, and the transmission shaft penetrates into the power hole to be in transmission connection with the driving gear and penetrates into the circular through hole to be in rotatable connection with the transmission gear; the torque control pressure spring is arranged on the transmission shaft in a penetrating mode and is propped between the driving gear and the transmission gear.

The driving device is characterized in that a fixed push groove is formed in the inner side of the lower cover of the driving shell, the electric gear set comprises a switching push groove, a push groove limiting groove is formed in the front end of the driving gear, a driving motor is fixed between the switching push groove and the fixed push groove, and a switching push groove clamping ring and a fixed push groove clamping ring are embedded into the push groove limiting groove in the front end of the driving gear.

The switching push groove rear end is equipped with the push-up piece, electronic gear assembly includes the push-down piece, it is heliciform to go up push-up piece lower extreme and push-down piece upper end, goes up the push-down piece lower extreme and is equipped with push-up piece rotation face and push-up piece rotation stopping face, and push-down piece upper end is equipped with push-down piece rotation face and push-down piece rotation stopping face. The rotating surface of the push-up block and the lower surface of the push-down block can be completely embedded.

The electric gear set comprises a switching screw and a switching screw cap, wherein the front end of the switching screw cap is provided with a screw cap groove, and the middle part of the switching screw cap is provided with a switching hole; the lower end of the pushing-down block is provided with a screw groove; the bottom of the upper cover of the driving shell is provided with a switching shaft hole, the switching screw cap is screwed into the switching shaft hole at the rear end of the upper cover of the driving shell, the rear end of the switching screw is embedded into a screw cap groove at the front end of the switching screw cap, and the front end of the switching screw is embedded into a screw groove at the rear end of the lower pushing block.

The middle part of the lower cover of the driving shell is provided with a limiting groove of the lower cover of the driving shell, two sides of the rotating piece are respectively provided with a bearing, and one bearing of the rotating piece is abutted with the knob assembly; the bearing on the other side of the rotating piece is embedded into the limit groove of the lower cover of the driving shell.

The knob assembly comprises a knob and a decorative metal sleeve, a knob embedding column and a knob limiting ring are arranged on the outer wall of the knob, and the decorative metal sleeve is fixedly sleeved on the knob embedding column; a knob hole is formed in the middle of the upper cover of the driving shell; the knob is embedded in the knob hole.

The knob assembly includes a manual knob; one end of the manual knob is provided with a manual rotating groove, and the manual rotating groove arranged at one end of the manual knob is embedded into the lock cylinder clutch groove.

The knob assembly comprises a lock core assembly, a sleeve embedding cavity is formed in the center of the knob, a sleeve rotation stopping groove is formed in the sleeve embedding cavity, and one end of the lock core assembly is embedded into the sleeve embedding cavity; a lock cylinder clutch groove is formed in one end of the rotating piece, a lock cylinder clutch hole is formed in the lock cylinder clutch groove, and the lock cylinder assembly comprises a lock cylinder sleeve, a lock cylinder, a spring pin, a pin and a clutch rod; the lock core sleeve is embedded in the knob, the lock core is embedded in the lock core sleeve, an inclined chute is arranged in the lock core, a clutch rod is inserted into the lock core, one end of a pin is inserted into the clutch rod, the other end of the pin is clamped in the inclined chute and can slide along the inclined chute, a spring pin is clamped at the end of the lock core and rotationally clamps the lock core in the lock core sleeve, a straight chute is arranged in the lock core sleeve, the pin is clamped in the straight chute simultaneously, the pin is matched with the straight chute and the inclined chute to realize that the clutch rod stretches out or retracts from the lock core, and the clutch rod is embedded into a clutch hole of the lock core when stretching out.

The other end of the rotating piece is provided with a mandrel groove; the mandrel comprises a conversion flat shaft sleeve and a flat core; the middle part of the conversion flat shaft sleeve is provided with a flat core groove, and the outer side of the conversion flat shaft sleeve is provided with a flat shaft sleeve reinforcing rib. The flat core is clamped and fixed in a flat core groove in the middle of the conversion flat sleeve shaft, and the conversion flat sleeve shaft is clamped and fixed in the core shaft groove.

The other end of the rotating piece is provided with a mandrel groove; the mandrel comprises a square core, and the Fang Xinka is fixed in the mandrel groove.

According to the technical scheme, the lock cylinder and the clutch device are arranged in the knob, so that the knob function and the intelligent lock function are integrated; the lock core unlocking and the intelligent motor unlocking are integrated through the rotating piece, so that the internal space of the lockset is further reduced; the utility model sets a free switching device for the driving mode in the lockset, and switches the driving mode into a manual mode or an automatic mode through the switching screw, thereby greatly improving the practicability of the lockset. The driving component adopts gear two-stage transmission, which is respectively that the driving gear is meshed with the transmission gear and the transmission gear is meshed with the rotating piece, so that the transmission ratio is more accurate and stable, and the device has compact structure, high efficiency, long service life and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the knob of the present utility model;

FIG. 2 is a schematic view of the forward structure of the components of the present utility model when the knob is used;

FIG. 3 is a schematic view showing the reverse construction of the various components of the present utility model when the knob is used;

FIG. 4 is a schematic diagram of an electric gearset according to the utility model 1;

FIG. 5 is a schematic diagram of an electric gearset according to the utility model;

FIG. 6 is a schematic diagram of a mandrel structure according to the present utility model;

FIG. 7 is a schematic view of the overall structure of the present utility model when a manual knob is used;

FIG. 8 is a schematic view of the forward construction of the various components of the present utility model when a manual knob is used;

FIG. 9 is a schematic view showing the reverse construction of the components of the present utility model when a manual knob is used.

The reference numerals in the figures indicate

1-a driving shell, 11-a driving shell upper cover, 111-a knob hole, 112-a switching shaft hole, 12-a driving shell lower cover, 121-a driving shell lower cover limit groove, 122-a fixed push groove and 1221-a fixed push groove snap ring;

2-knob assembly, 21-knob, 211-sleeve jogged cavity, 2111-sleeve rotation stopping groove, 212-knob jogged column, 213-knob limit ring, 22-decorative metal sleeve, 23-manual knob, 231-manual rotation groove;

3-a drive assembly;

31-rotating parts, 311-driven toothed rings, 312-lock cylinder clutch grooves, 3121-lock cylinder clutch holes, 313-mandrel grooves and 314-bearings; 32-an electric gear set, 321-a driving motor, 3211-a transmission shaft, 3212-a cylinder, 322-a torque control pressure spring, 323-a driving gear, 3231-a power hole, 3232-a first clutch tooth, 3233-a push groove limiting groove, 3234-a driving gear spring limiting groove, 324-a transmission gear, 3241-a second clutch tooth, 3242-a circular through hole, 3243-a transmission gear spring limiting groove, 325-a switching push groove, 3251-a convex point, 3252-a switching push groove snap ring, 3253-an upper push block, 32531-an upper push block rotating surface, 32532-an upper push block rotating surface, 326-a switching screw, 327-a switching nut, 3271-a nut groove, 3272-a switching hole, 328-a lower push block, 3281-a lower push block rotating surface, 3282-a lower push block rotating surface, 3283-a screw groove;

4-lock core components, 41-lock core sleeves, 411-straight sliding grooves, 42-lock cores, 421-inclined sliding grooves, 43-spring pins, 44-pins and 45-clutch bars;

5-mandrel, 51-conversion flat shaft sleeve, 511-flat core groove, 512-flat shaft sleeve reinforcing rib, 52-flat core and 53-square core.

Detailed Description

The utility model can be implemented by the following modes:

as shown in fig. 1 to 5, a lock body driving device capable of switching driving modes includes a driving housing 1, a knob assembly 2, a driving assembly 3, and a spindle 5.

The driving shell 1 comprises a driving shell upper cover 11 and a driving shell lower cover 12, a knob hole 111 is formed in the middle of the driving shell upper cover 11, and a switching shaft hole 112 is formed in the bottom of the driving shell upper cover 11; the middle part of the lower cover 12 of the driving shell is provided with a limiting groove 121 of the lower cover of the driving shell, the inner side of the lower cover 12 of the driving shell is provided with a fixed push groove 122, and the upper end of the fixed push groove 122 is provided with a snap ring 1221 of the fixed push groove.

The knob assembly 2 comprises a knob 21 and a decorative metal sleeve 22; the center of the knob 21 is provided with a sleeve embedding cavity 211, a sleeve rotation stopping groove 2111 is arranged in the sleeve embedding cavity 211, the outer wall of the knob 21 is provided with a knob embedding column 212 and a knob limiting ring 213, the decorative metal sleeve 22 is fixedly sleeved on the knob embedding column 212, the knob 21 is embedded into the knob hole 111 from the inner side of the upper cover 11 of the driving shell, and the knob limiting ring 213 is abutted with the outer edge of the knob hole 111.

The drive assembly 3 includes a rotary member 31 and an electric gear set 32; two sides of the rotating member 31 are respectively provided with a bearing 314, and the bearing 314 on one side of the rotating member 31 is abutted with the knob 21; the bearing on the other side of the rotary member 31 is fitted into the drive housing lower cover limit groove 121 on the drive housing lower cover 12. The outer side of the rotating member 31 is provided with a circle of driven toothed ring 311, one end of the rotating member 31 is provided with a mandrel groove 313, the other end is provided with a lock cylinder clutch groove 312, and a lock cylinder clutch hole 3121 on the same axis as the mandrel groove 313 is arranged in the lock cylinder clutch groove 312. The electric gear set 32 comprises a driving motor 321, a torque control pressure spring 322, a driving gear 323, a transmission gear 324, a switching push slot 325, a switching screw 326, a switching nut 327 and a push-down block 328; the front end of the driving motor 321 is provided with a transmission shaft 3211, and the rear end of the driving motor is provided with a cylinder 3212; the center of the driving gear 323 is provided with an oblate power hole 3231, and the front end is provided with a first clutch tooth 3232, a pushing groove limiting groove 3233 and a driving gear spring limiting groove 3234; the transmission gear 324 is meshed with the driven toothed ring 311, a circular through hole 3242 is arranged in the center of the transmission gear 324, and a second clutch tooth 3241 and a transmission gear spring limit groove 3243 are arranged at the rear end of the transmission gear 324; the first clutch teeth 3232 and the second clutch teeth 3241 are meshed, and the transmission shaft 3211 penetrates through the power hole 3231 to be in transmission connection with the driving gear 323 and penetrates through the circular through hole 3242 to be in rotatable connection with the transmission gear 324; the torque control pressure spring 322 is arranged on the transmission shaft 3211 in a penetrating way, and two ends of the torque control pressure spring 322 are respectively embedded into a driving gear spring limit groove 3234 at the front end of the driving gear 323 and a driving gear spring limit groove 3243 at the rear end of the driving gear 324; a protruding point 3251 is arranged at the lower part of the inner side of the switching push groove 325, a switching push groove clamping ring 3252 is arranged at the front end of the switching push groove 325, an upper push block 3253 is arranged at the rear end of the switching push groove clamping ring 325 and a fixed push groove clamping ring 1221 are embedded into a push groove limiting groove 3233 at the front end of the driving gear 323, a driving motor 321 is fixed between the switching push groove 325 and the fixed push groove 122, and a cylinder 3212 at the rear end of the driving motor 321 is abutted with the protruding point 3251 in the switching push groove 325; the front end of the switching nut 327 is provided with a nut groove 3271, and the middle part of the switching nut is provided with a switching hole 3272; the lower end of the push-down block 328 is provided with a screw groove 3283; the switching nut 327 is screwed into the switching shaft hole 112 at the rear end of the upper cover 11 of the driving housing, the rear end of the switching screw 326 is embedded into a nut groove 3271 at the front end of the switching nut 327, the front end of the switching screw is embedded into a screw groove 3283 at the rear end of the push-down block 328, the lower end of the push-up block 3253 and the upper end of the push-down block 328 are both spiral, the lower end of the push-up block 3253 is provided with an upper push-up block rotating surface 32531 and an upper push-up block rotation stopping surface 32532, and the upper end of the push-down block 328 is provided with a lower push-down block rotating surface 3281 and a lower push-down block rotation stopping surface 3282. The driving assembly can be adjusted to be in an automatic mode or a manual mode by screwing the switching screw 326, the switching screw 326 is screwed from the middle of the switching nut by using a tool, so that the push-down block rotating surface 3281 rotates along the push-up block rotating surface 32531 until the push-up block rotating stopping surface 32532 is abutted with the push-down block rotating stopping surface 3282, at the moment, the torque control pressure spring 322 is compressed, the driving gear 323 is meshed with the transmission gear 324, and the driving assembly is converted into the automatic mode; the switching screw 326 is turned in the opposite direction from the middle of the switching nut 327 by using a tool until the upper push block rotation stopping surface 32532 and the lower push block rotation stopping surface 3282 are separated, the lower push block rotation surface 3281 rotates in the opposite direction along the upper push block rotation surface 32531, at this time, the torque control pressure spring 322 stretches, the driving gear 323 and the transmission gear 323 are separated, and the driving assembly is converted into a manual mode.

The knob assembly 2 comprises a lock cylinder assembly 4, wherein the lock cylinder assembly 4 comprises a lock cylinder sleeve 41, a lock cylinder 42, a spring pin 43, a pin 44 and a clutch rod 45; the lock cylinder sleeve 41 is fixedly embedded in the knob 21, the lock cylinder 42 is embedded in the lock cylinder sleeve 41, an inclined sliding groove 421 is formed in the lock cylinder 42, a clutch rod 45 is inserted into the lock cylinder 42, one end of a pin 44 is inserted into the clutch rod 45, the other end of the pin is clamped in the inclined sliding groove 421 and can slide along the inclined sliding groove 421, a spring pin 43 is clamped at the end of the lock cylinder 42 to rotatably clamp the lock cylinder 42 in the lock cylinder sleeve 41, a straight sliding groove 411 is formed in the lock cylinder sleeve 41, the pin 44 is clamped in the straight sliding groove 411 at the same time, the pin 44 realizes that the clutch rod 45 stretches out or retracts from the lock cylinder 42 under the cooperation of the straight sliding groove 411 and the inclined sliding groove 421, and the lock cylinder clutch rod 45 is embedded in a lock cylinder clutch hole 3121 when stretching out.

The mandrel 5 comprises a transition flat sleeve 51, a flat core 52 as shown in fig. 6; the middle part of the conversion flat shaft sleeve 51 is provided with a flat core groove 511, and the outer side of the conversion flat shaft sleeve 51 is provided with a flat shaft sleeve reinforcing rib 512, so that the conversion flat shaft sleeve 51 is tightly attached to the inner side of the mandrel groove 511. The flat core 52 is clamped in the flat core groove 511 in the middle of the conversion flat sleeve shaft 51, and the conversion flat sleeve shaft 51 is clamped in the mandrel groove 313. The mandrel 5 may be a square core 53, and the square core 53 is clamped in the mandrel groove 313.

When the clutch rod 45 extends out, the clutch rod can be inserted into the lock cylinder clutch hole 3121, and at the moment, the knob 21 can be rotated to drive the mandrel groove 313 to drive the mandrel 5 to rotate so as to realize the opening and closing of the door lock; when the clutch rod 45 is retracted, the lock cylinder 42 is separated from the lock cylinder clutch hole 3121, and the spindle groove 313 is not driven by the rotation knob 21, but the spindle groove 313 is rotated under the control of the driving motor 321 to open and close the door lock.

As shown in fig. 7-9, if a driving housing is required to be unlocked by a manual knob mode according to a user's requirement, the knob assembly may further include a manual knob 23, one end of the manual knob 23 is provided with a manual rotation groove 23, the knob 21, the lock cylinder assembly 4 and the decorative metal sleeve 22 are replaced by the manual knob 23, the manual rotation groove 23 provided at one end of the manual knob 23 is embedded into the spindle groove 313, and the spindle groove 313 can be driven to rotate by rotating the manual knob 23 to drive the spindle 5 to rotate so as to open and close the door lock.

Claims (10)

1. The utility model provides a convertible drive mode's lock body drive arrangement, includes drive casing, knob subassembly, drive assembly and dabber, its characterized in that: the driving shell comprises a driving shell upper cover and a driving shell lower cover; the driving assembly comprises a rotating piece and an electric gear set; a circle of driven toothed ring is arranged on the outer side of the rotating piece; the electric gear set comprises a driving motor, a torque control pressure spring, a driving gear and a transmission gear, wherein the upper end of the driving motor is provided with a transmission shaft, the transmission gear is meshed with a driven toothed ring, the center of the driving gear is provided with an oblate power hole, the front end of the driving gear is provided with a first clutch tooth, and the rear end of the driving gear is provided with a clutch groove; the center of the transmission gear is provided with a circular through hole, and the rear end of the transmission gear is provided with a second clutch tooth; the first clutch teeth are meshed with the second clutch teeth, and the transmission shaft penetrates into the power hole to be in transmission connection with the driving gear and penetrates into the circular through hole to be in rotatable connection with the transmission gear; the torque control pressure spring is arranged on the transmission shaft in a penetrating mode and is propped between the driving gear and the transmission gear.

2. The convertible drive mode lock body drive of claim 1, wherein: the driving device is characterized in that a fixed push groove is formed in the inner side of the lower cover of the driving shell, the electric gear set comprises a switching push groove, a push groove limiting groove is formed in the front end of the driving gear, a driving motor is fixed between the switching push groove and the fixed push groove, and a switching push groove clamping ring and a fixed push groove clamping ring are embedded into the push groove limiting groove in the front end of the driving gear.

3. A lock body driving apparatus of a convertible driving mode as claimed in claim 2, wherein: the switching push groove rear end is equipped with the push-up piece, electronic gear assembly includes the push-down piece, it is spiral to go up push-up piece lower extreme and push-down piece upper end, goes up the push-down piece lower extreme and is equipped with push-up piece swivel face and push-up piece rotation stopping face, and push-down piece upper end is equipped with push-down piece swivel face and push-down piece rotation stopping face, it can be totally gomphosis to go up push-up piece swivel face and push-down piece swivel face.

4. A lock body driving apparatus capable of switching driving modes according to claim 3, wherein: the electric gear set comprises a switching screw and a switching screw cap, wherein the front end of the switching screw cap is provided with a screw cap groove, and the middle part of the switching screw cap is provided with a switching hole; the lower end of the pushing-down block is provided with a screw groove; the bottom of the upper cover of the driving shell is provided with a switching shaft hole, the switching screw cap is screwed into the switching shaft hole at the rear end of the upper cover of the driving shell, the rear end of the switching screw is embedded into a screw cap groove at the front end of the switching screw cap, and the front end of the switching screw is embedded into a screw groove at the rear end of the lower pushing block.

5. The convertible drive mode lock body drive of claim 1, wherein: the middle part of the lower cover of the driving shell is provided with a limiting groove of the lower cover of the driving shell, two sides of the rotating piece are respectively provided with a bearing, and one bearing of the rotating piece is abutted with the knob assembly; the bearing on the other side of the rotating piece is embedded into the limit groove of the lower cover of the driving shell.

6. The convertible drive mode lock body drive of claim 1, wherein: the knob assembly comprises a knob and a decorative metal sleeve, a knob embedding column and a knob limiting ring are arranged on the outer wall of the knob, and the decorative metal sleeve is fixedly sleeved on the knob embedding column; a knob hole is formed in the middle of the upper cover of the driving shell; the knob is embedded into the knob hole, a sleeve embedding cavity is formed in the center of the knob, a sleeve rotation stopping groove is formed in the sleeve embedding cavity, the knob assembly comprises a lock core assembly, and one end of the lock core assembly is embedded into the sleeve embedding cavity.

7. The convertible drive mode lock body drive of claim 1, wherein: the knob assembly includes a manual knob; one end of the manual knob is provided with a manual rotating groove, and the manual rotating groove arranged at one end of the manual knob is embedded into the lock cylinder clutch groove.

8. The convertible drive mode lock body drive of claim 1, wherein: the knob assembly comprises a lock cylinder assembly, one end of the rotating piece is provided with a lock cylinder clutch groove, a lock cylinder clutch hole is formed in the lock cylinder clutch groove, and the lock cylinder assembly comprises a lock cylinder sleeve, a lock cylinder, a spring pin, a pin and a clutch rod; the lock core sleeve is embedded in the knob, the lock core is embedded in the lock core sleeve, an inclined chute is arranged in the lock core, a clutch rod is inserted into the lock core, one end of a pin is inserted into the clutch rod, the other end of the pin is clamped in the inclined chute and can slide along the inclined chute, a spring pin is clamped at the end of the lock core and rotationally clamps the lock core in the lock core sleeve, a straight chute is arranged in the lock core sleeve, the pin is clamped in the straight chute simultaneously, the pin is matched with the straight chute and the inclined chute to realize that the clutch rod stretches out or retracts from the lock core, and the clutch rod is embedded into a clutch hole of the lock core when stretching out.

9. The convertible drive mode lock body drive of claim 1, wherein: the other end of the rotating piece is provided with a mandrel groove; the mandrel comprises a conversion flat shaft sleeve and a flat core; the middle part of the conversion flat shaft sleeve is provided with a flat core groove, the outer side of the conversion flat shaft sleeve is provided with a flat shaft sleeve reinforcing rib, the flat core is clamped and fixed in the flat core groove in the middle part of the conversion flat shaft sleeve, and the conversion flat shaft sleeve is clamped and fixed in the core shaft groove.

10. The convertible drive mode lock body drive of claim 1, wherein: the other end of the rotating piece is provided with a mandrel groove; the mandrel comprises a square core, and the Fang Xinka is fixed in the mandrel groove.

Images