CN212130185U - A kind of installation structure of door lock rotating shaft - Google Patents

Abstract

The utility model discloses an installation structure of a door lock rotating shaft, comprising a lock cylinder installation shell, a first gear driven by a motor is mounted on the lock cylinder installation shell, the first gear is meshed and connected to a second gear, and the second gear is fixedly connected The rotating shaft installed on the lock cylinder installation shell, wherein the rotating shaft is provided with a spiral limit groove, the lock cylinder is slidably installed on the lock cylinder installation shell, and the side of the lock cylinder is provided with a limit match with the spiral limit groove. Position convex teeth, the lock cylinder performs linear displacement relative to the lock cylinder installation shell under the rotational driving action of the rotating shaft, and is used for selective locking and installation connection with the external upper locking hole; the utility model is on the premise of ensuring a compact installation structure. It realizes the large-stroke driving effect on the lock cylinder of the door lock.

Description

A kind of installation structure of door lock rotating shaft

technical field

The utility model relates to the field of door lock manufacturing, in particular to an installation structure of a door lock rotating shaft.

Background technique

A door lock is, as the name suggests, a device used to lock a door to prevent others from opening the door. The main structure of the door lock includes a lock cylinder which is manually or electrically driven for stroke displacement. The lock cylinder is selectively locked and installed with the upper lock hole on the door frame through the stroke displacement. With the wide application of intelligent technology, intelligent door locks that use electric drive to realize the stroke displacement of the lock cylinder have attracted more and more attention.

Specifically, the core component of the lock cylinder of the smart door lock to realize the stroke displacement is the door lock rotating shaft. During actual operation, the door lock rotating shaft transmits the motor driving force through the motor cam deceleration structure with complex structure and large installation volume to the The lock cylinder ensures that the lock cylinder realizes the stroke displacement. Because the door lock rotating shaft needs to convert the rotational driving force of the motor into a linear driving force through the transmission structure in a limited installation space, it is usually difficult to achieve a large stroke driving effect on the lock cylinder.

The applicant hopes to seek technical solutions to improve the above technical problems.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present utility model is to provide an installation structure of the door lock rotating shaft, through specific structural design, on the premise of ensuring the compact installation structure, the large stroke driving effect of the door lock cylinder is realized.

The technical scheme adopted by the utility model is as follows:

An installation structure of a door lock rotating shaft, comprising a lock cylinder installation shell, a first gear driven by a motor is installed on the lock cylinder installation shell, the first gear is engaged with a second gear, and the second gear is fixed Connect the rotating shaft installed on the lock cylinder installation shell, wherein,

The rotating shaft is provided with a helical limit groove, the lock cylinder is slidably installed on the lock cylinder installation shell, and the side of the lock cylinder is provided with a limit protruding tooth that cooperates with the helical limit groove. The lock cylinder performs linear displacement relative to the lock cylinder installation shell under the rotational driving action of the rotating shaft, and is used for selectively locking and installing connection with the external upper locking hole.

Preferably, the outer diameter of the second gear is larger than the outer diameter of the first gear, so as to achieve a deceleration driving effect on the rotating shaft.

Preferably, the lock cylinder includes a T-shaped lock cylinder body and a sliding mounting portion that are integrally connected, wherein the lock cylinder body is in position-limiting cooperation with a limiting guide groove on the lock cylinder mounting shell; the The upper end and the lower end of the sliding mounting portion are respectively slidably mounted on the lock cylinder mounting shell, and the limiting protruding teeth are located on one side of the sliding mounting portion.

Preferably, the upper end and the lower end of the lock cylinder installation shell are respectively provided with an upper sliding rod and a lower sliding rod which are arranged in parallel with the lock cylinder body, and the upper and lower ends of the sliding installation part are respectively slidably sleeved on the lock cylinder body. on the upper sliding rod and the lower sliding rod.

Preferably, the control board of the motor is wirelessly connected to an external remote control for inputting opening and locking signals to the motor.

Preferably, the control board of the motor is wired and electrically connected to an external operation panel for inputting opening and locking signals to the motor.

Preferably, the motor is installed inside the lock cylinder installation shell, and is installed and arranged vertically and parallel to the rotating shaft; at the same time, the first gear and the second gear are located outside the lock cylinder installation shell, The output shaft of the motor is fixedly connected with the first gear, and the output end of the rotating shaft is fixedly connected with the second gear.

The utility model firstly realizes driving force transmission between the rotating shaft and the motor through the meshing transmission mode of the external gear, and then creatively arranges a helical limit groove on the rotating shaft, and sets a limiter that cooperates with the limit of the helical limit groove on the side of the lock cylinder. At the same time, the lock cylinder is slidably installed on the lock cylinder installation shell. In actual work, when the motor receives an externally input opening or locking signal, the motor is driven to rotate clockwise or counterclockwise, and the rotation is realized by gear meshing transmission. Due to the rotational drive of the shaft, since the limit protruding teeth of the lock cylinder are installed in the helical limit groove of the rotating shaft, the lock cylinder can perform linear sliding displacement relative to the lock cylinder installation shell under the rotational driving action of the rotating shaft. The utility model can realize the selective locking and installation connection with the external upper locking hole, and finally realize the opening or locking of the door lock. , On the premise of ensuring the compact installation structure, the large-stroke driving effect of the lock cylinder of the door lock is realized.

Description of drawings

1 is a schematic diagram of the installation structure of a door lock rotating shaft under a specific embodiment of the present invention;

Fig. 2 is the rear structure schematic diagram of Fig. 1;

FIG. 3 is an exploded view of the partial structure of FIG. 1 .

Detailed ways

The embodiment of the utility model discloses an installation structure of a door lock rotating shaft, which comprises a lock cylinder installation shell, a first gear driven by a motor is installed on the lock cylinder installation shell, the first gear is meshed with a second gear, and the second gear Fixed connection to the rotating shaft installed on the lock cylinder installation shell, wherein the rotating shaft is provided with a helical limit groove, the lock cylinder is slidably installed on the lock cylinder installation shell, and the side of the lock cylinder is provided with a limit fit with the helical limit groove The limit protruding teeth of the lock cylinder are linearly displaced relative to the lock cylinder installation shell under the rotational driving action of the rotating shaft, and are used for selective locking and installation connection with the external upper locking hole.

In order to make those skilled in the art better understand the technical solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, The described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

1, 2 and 3, an installation structure 1 of a door lock rotating shaft includes a lock cylinder installation shell 10, and a first gear 11 driven by a motor 20 is installed on the lock cylinder installation shell 10. A gear 11 is engaged with the second gear 12, and the second gear 12 is fixedly connected to the rotating shaft 30 mounted on the lock cylinder mounting shell 10. Preferably, in this embodiment, the outer diameter of the second gear 12 is larger than that of the first gear 11. The outer diameter of 30 can realize the deceleration driving effect on the rotating shaft 30;

The rotating shaft 30 is provided with a helical limit groove 31 , the lock cylinder 40 is slidably installed on the lock cylinder installation shell 10 , and the side of the lock cylinder 40 is provided with a limit tooth 41 which is limited and matched with the helical limit groove 31 , The lock cylinder 40 performs linear displacement relative to the lock cylinder installation shell 10 under the rotational driving action of the rotating shaft 30, and is used for selective locking and installation connection with the external upper locking hole (not shown in the figure);

Preferably, in this embodiment, the lock cylinder 40 includes a T-shaped lock cylinder body 40a and a sliding installation portion 40b that are integrally connected, wherein the lock cylinder body 40a and the limit guide groove 13 on the lock cylinder installation shell 10 Limiting fit; the upper and lower ends of the sliding mounting portion 40b are respectively slidably mounted on the lock cylinder mounting shell 10, while the limiting protruding teeth 41 are located on one side of the sliding mounting portion 40b; further preferably, in this embodiment, the lock cylinder is installed The upper end and the lower end of the casing 10 are respectively provided with an upper sliding rod 14a and a lower sliding rod 14b arranged in parallel with the lock cylinder body 40a, and the upper and lower ends of the sliding mounting portion 40b are respectively slidably sleeved on the upper sliding rod 14a and the lower sliding rod 14a. on rod 14b;

Preferably, in this embodiment, the control board (not shown) of the motor 20 is wirelessly connected to the external remote control for inputting opening and locking signals to the motor 20; at the same time, the control board of the motor 20 is wired with the external operation panel The electrical connection can also be used to input the opening and locking signals to the motor 20, so as to realize various operation preferences of people;

Preferably, in order to further simplify the installation structure, in this embodiment, the motor 20 is installed inside the lock cylinder installation shell 10, and is installed and installed vertically and parallel to the rotating shaft 30 at intervals; at the same time, the first gear 11 and the second gear 12 are installed Located outside the lock cylinder mounting shell 10 , the output shaft 21 of the motor 20 is fixedly connected to the first gear 11 , and the output end 32 of the rotating shaft 30 is fixedly connected to the second gear 12 .

In this embodiment, the rotating shaft 30 and the motor 20 are firstly transmitted through external gear meshing transmission to realize driving force transmission, and then a helical limit groove 31 is creatively arranged on the rotating shaft 30, and a helical limit groove is arranged on the side of the lock cylinder 40. 31 The limit tooth 41 for limit matching, and the lock cylinder 40 is slidably installed on the lock cylinder installation shell 10. During actual operation, when the motor 20 receives an externally inputted opening or locking signal, the motor 20 is driven clockwise or counterclockwise. Clockwise rotation, the rotation drive of the rotating shaft 30 is realized through the meshing transmission mode of the first gear 11 and the second gear 12 , because the limiting convex teeth 41 of the lock cylinder 40 are limited and installed in the helical limiting groove 31 of the rotating shaft 30 . Therefore, the lock cylinder 40 can perform a linear sliding displacement effect relative to the lock cylinder installation shell 10 under the rotational driving action of the rotating shaft 30, so as to realize the selective locking and installation connection with the external upper locking hole, and finally realize the door lock. For the opening or closing of the lock, this embodiment does not require a complex and bulky transmission installation structure to realize the conversion of the power direction. On the premise of ensuring the compact installation structure, the large stroke driving effect of the door lock cylinder is achieved.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A mounting structure of a door lock rotating shaft comprises a lock cylinder mounting shell and is characterized in that a first gear driven by a motor is mounted on the lock cylinder mounting shell, the first gear is meshed with a second gear, the second gear is fixedly connected with a rotating shaft mounted on the lock cylinder mounting shell, wherein,

the lock core is linearly displaced relative to the lock core mounting shell under the action of rotary driving of the rotating shaft and is used for selective locking mounting connection with an external locking hole.

2. The mounting structure of the door-lock rotating shaft according to claim 1, wherein the second gear has an outer diameter larger than that of the first gear, thereby achieving a deceleration driving effect on the rotating shaft.

3. The mounting structure of the door lock turning shaft according to claim 1, wherein the lock cylinder includes a cylinder body and a sliding mounting portion which are integrally connected and have a T-shape, wherein the cylinder body is in limit fit with a limit guide groove on the lock cylinder mounting case; the upper end and the lower end of the sliding installation part are respectively slidably installed on the lock cylinder installation shell, and meanwhile, the limiting convex teeth are located on one side of the sliding installation part.

4. The mounting structure of the door lock rotating shaft according to claim 3, wherein an upper sliding rod and a lower sliding rod are respectively provided at an upper end and a lower end of the lock cylinder mounting shell in parallel with the lock cylinder body, and the upper end and the lower end of the sliding mounting part are respectively slidably sleeved on the upper sliding rod and the lower sliding rod.

5. The mounting structure of the door lock turning shaft according to claim 1, wherein the control panel of the motor is wirelessly connected with an external remote controller for inputting an unlocking and locking signal to the motor.

6. The mounting structure of the door lock turning shaft according to claim 1 or 5, wherein the control board of the motor is electrically connected with an external operation panel by wire for inputting an unlocking and locking signal to the motor.

7. The mounting structure of the door lock rotating shaft according to claim 1, wherein the motor is mounted inside the lock cylinder mounting case and is spaced apart from the rotating shaft in an up-down parallel manner; meanwhile, the first gear and the second gear are arranged on the outer side of the lock cylinder mounting shell, an output shaft of the motor is fixedly connected with the first gear, and an output end of the rotating shaft is fixedly connected with the second gear.

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