CN211008048U

CN211008048U - Roller device for connecting lock hook of sliding door lock

Info

Publication number: CN211008048U
Application number: CN201922030818.9U
Authority: CN
Inventors: 宋树洁; 陈建明
Original assignee: Zhengzhou Jiatai Electromechanical Technology Co ltd
Current assignee: Zhengzhou Jiatai Electromechanical Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-14
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a roller device for sliding door lock latch hook is connected, including casing and latch hook subassembly, set up the slide opening of vertical setting on one side lateral wall of casing, the vertical sliding connection of latch hook subassembly is in the slide opening, and the inside of casing is equipped with wheel components and the drive assembly who is used for driving latch hook subassembly up-and-down motion, the drive assembly include with lock core coaxial coupling's big bevel gear, with big bevel gear engaged with little bevel gear and worm, the vertical rotation in both ends of worm is connected on the inner wall of casing, little bevel gear cover is established and is fixed at the worm lower extreme, the upper end of worm and wheel components's worm wheel screw-thread fit. The utility model discloses a drive mode of worm gear, power can only be transmitted to the latch hook subassembly by drive assembly, and can not reverse transmission power, make latch hook subassembly safe and reliable more, and inner structure is simple compact moreover, and is with low costs, adopts the mode that big conical gear drove little conical gear moreover, and is more laborsaving.

Description

Roller device for connecting lock hook of sliding door lock

Technical Field

The utility model relates to a floating gate lock hook technical field specifically is a roller device that is used for sliding gate lock latch hook to connect.

Background

The horizontal sliding door is widely applied to special places such as banks, airport waiting halls, subways and the like, and has high requirements on the safety and the reliability of a door lock mechanism due to frequent use and large use quantity. The movable door lock usually adopts the form of latch hook, realizes unblanking and shutting lock through reciprocating of control latch hook, and inside the lock, usually adopt the roller drive's mode to control the latch hook and reciprocate, and traditional roller drive mode receives the power moment restriction great, is not convenient for use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a roller device for sliding door lock latch hook is connected adopts big bevel gear to drive little bevel gear's mode, and is more laborsaving, adopts worm gear's drive mode, and power can only be transmitted to the latch hook subassembly by drive assembly, and can not reverse transmission power, makes latch hook subassembly safe and reliable more.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an gyro wheel device for sliding door lock latch hook is connected, includes casing and latch hook subassembly, sets up the slide opening of vertical setting on one side lateral wall of casing, the vertical sliding connection of latch hook subassembly is in the slide opening, the inside of casing is equipped with roller components and the drive assembly who is used for driving latch hook subassembly up-and-down motion, drive assembly include with lock core coaxial coupling's big conical gear, with big conical gear engaged with little conical gear and worm, the vertical rotation in both ends of worm is connected on the inner wall of casing, little conical gear cover is established and is fixed at the worm lower extreme, the upper end of worm and the worm wheel screw-thread fit of roller components.

Preferably, the latch hook assembly comprises a latch hook piece, a sliding block and a rack, a sliding rod is vertically fixed in the sliding hole, the sliding block is connected to the sliding rod in a sliding mode, the latch hook piece is fixed on the outer side face of the sliding block, and the rack is vertically fixed on the inner side face of the sliding block.

Preferably, the roller assembly comprises a rotating shaft, a driving gear meshed with the rack and a worm gear matched with the worm, and the driving gear and the worm gear are both sleeved and fixed on the rotating shaft.

Preferably, the lock hole of the lock cylinder is arranged on the front end face of the shell.

Preferably, the number of teeth of the large bevel gear is 3 times that of the small bevel gear.

(III) advantageous effects

The utility model provides a roller device for sliding door lock latch hook is connected possesses following beneficial effect:

(1) the utility model adopts the driving mode of the worm gear and the worm, the power can be only transmitted to the latch hook component by the driving component, but the power can not be transmitted reversely, so that the latch hook component is safer and more reliable, and the internal structure is simple and compact, and the cost is low;

(2) the utility model discloses a big bevel gear drives little bevel gear's mode, and is more laborsaving, and power transmission efficiency is higher moreover.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic diagram of another embodiment of the present invention;

in the figure: 1-shell, 2-latch hook piece, 3-slide block, 4-rack, 5-slide bar, 6-rotating shaft, 7-driving gear, 8-worm gear, 9-worm, 10-small bevel gear, 11-large bevel gear and 12-lock hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides an gyro wheel device for sliding door lock latch hook is connected, includes casing 1 and latch hook subassembly, sets up the slide opening of vertical setting on one side lateral wall of casing 1, the vertical sliding connection of latch hook subassembly is in the slide opening, the inside of casing 1 is equipped with roller components and the drive assembly who is used for driving latch hook subassembly up-and-down motion, drive assembly include with lock core coaxial coupling's big conical gear 11, with little conical gear 10 and the worm 9 of big conical gear 11 engaged with, the vertical rotation in both ends of worm 9 is connected on the inner wall of casing 1, little conical gear 10 cover is established and is fixed at worm 9 lower extreme, the upper end of worm 9 and the 8 screw-thread fit of worm wheel of roller components.

Specifically, the latch hook component comprises a latch hook piece 2, a sliding block 3 and a rack 4, a sliding rod 5 is vertically fixed in the sliding hole, the sliding block 3 is connected to the sliding rod 5 in a sliding mode, the latch hook piece 2 is fixed on the outer side face of the sliding block 3, and the rack 4 is vertically fixed on the inner side face of the sliding block 3.

Particularly, state wheel components including pivot 6, with rack 4 engaged with drive gear 7 and with worm 9 matched with worm wheel 8, drive gear 7 all overlaps with worm wheel 8 and establishes and fix in pivot 6, drives drive gear 7 through the transmission of worm wheel 8 worm 9 and integrative the rotating, can restrict drive gear 7's rotation moreover, and then restrict rack 4, when worm wheel 8 does not rotate, make rack 4 be in fixed state, make latch hook piece 2 keep fixed then.

Specifically, the lock hole 12 of the key cylinder is provided on the front end surface of the housing 1 to facilitate insertion of a key.

Particularly, the number of teeth of big bevel gear 11 is 3 times of the number of teeth of little bevel gear 10, adopts the mode that the gear wheel drove the pinion, and is more laborsaving, and power transmission efficiency is higher moreover.

When the lock is used, a key is inserted into a lock hole 12 in the front end face of the shell 1, then the key is rotated to drive a large bevel gear 11 coaxial with the lock cylinder, the large bevel gear 11 can drive a small bevel gear 10 to rotate, the small bevel gear 10 drives a worm 9 to integrally rotate, the worm 9 drives a worm wheel 8 to rotate through threads, a driving gear 7 coaxial with the worm wheel 8 is rotated, the driving gear 7 is matched with the rack 4 to drive the sliding block 3 to slide up and down along the sliding rod 5, and therefore unlocking and unlocking of the lock hook piece 2 are achieved;

the utility model adopts the driving mode of the worm wheel 8 and the worm 9, the power can be transmitted to the latch hook component only by the driving component, but the power can not be transmitted reversely, so that the latch hook component is safer and more reliable, and the internal structure is simple and compact, and the cost is low;

the mode that the large bevel gear 11 drives the small bevel gear 10 is adopted, labor is saved, and power transmission efficiency is higher.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an gyro wheel device for sliding door lock latch hook is connected, includes casing (1) and latch hook subassembly, sets up the slide opening of vertical setting on one side lateral wall of casing (1), the vertical sliding connection of latch hook subassembly is in the slide opening, a serial communication port, the inside of casing (1) is equipped with roller components and the drive assembly who is used for driving latch hook subassembly up-and-down motion, drive assembly include with lock core coaxial coupling's big conical gear (11), with little conical gear (10) and worm (9) of big conical gear (11) engaged with, the vertical rotation in both ends of worm (9) is connected on the inner wall of casing (1), little conical gear (10) cover is established and is fixed at worm (9) lower extreme, the upper end of worm (9) and worm wheel (8) screw-thread fit of roller components.

2. The roller assembly of claim 1 wherein said roller assembly is adapted to engage a latch hook of a door latch of a sliding door, said roller assembly comprising: the lock hook assembly comprises a lock hook piece (2), a sliding block (3) and a rack (4), a sliding rod (5) is vertically fixed in the sliding hole, the sliding block (3) is connected to the sliding rod (5) in a sliding mode, the lock hook piece (2) is fixed on the outer side face of the sliding block (3), and the rack (4) is vertically fixed on the inner side face of the sliding block (3).

3. The roller assembly of claim 2 wherein said roller assembly is adapted to engage a latch hook of a door latch of a sliding door, said roller assembly comprising: the roller assembly comprises a rotating shaft (6), a driving gear (7) meshed with the rack (4) and a worm wheel (8) matched with the worm (9), wherein the driving gear (7) and the worm wheel (8) are sleeved and fixed on the rotating shaft (6).

4. The roller assembly of claim 1 wherein said roller assembly is adapted to engage a latch hook of a door latch of a sliding door, said roller assembly comprising: and the lock hole (12) of the lock cylinder is arranged on the front end surface of the shell (1).

5. The roller assembly of claim 1 wherein said roller assembly is adapted to engage a latch hook of a door latch of a sliding door, said roller assembly comprising: the number of teeth of the large bevel gear (11) is 3 times that of the small bevel gear (10).