CN203441181U - Lever type transmission structure of door lock - Google Patents

Abstract

A lever type transmission structure of a door lock is suitable for mechanical door locks and electronic door locks. The lever type transmission structure comprises an upper connecting base, a rotating base, a lower connecting base, a lever plate, a base plate, a sliding plate and a sliding copper ring, wherein the base body of the upper connecting base is arranged in a cavity at the upper part of the rotating base, the lower connecting base is arranged in a cavity at the lower part of the rotating base, the concave arc of the base plate is in contact with the lower periphery of the lower connecting base, the lever plate is arranged on the base plate, a fixing shaft of the base plate of the door lock is inserted in a rotating hole of the lever plate, a sliding shaft is clamped in the sliding copper ring in a sliding groove of the sliding plate, and a sliding pin of the sliding plate is clamped in the sliding groove of the base plate of the door lock. When the upper connecting base is rotated by a door lock handle, the rotating base, the base plate, the lever plate and the sliding plate move in a linkage way, and a door is locked or opened after a lock tongue stretches out or draws back. The lever type transmission structure adopting lever principles achieves the purposes of reducing transmission force and reducing transmission parts and has the advantages of simple structure, small resistance, easiness in manufacture and low cost.

Description

The lever drive mechanism of door lock

[technical field]

The utility model relates to a kind of lockset, especially relates to mechanical door lock and electronic lock, belongs to field of lockset.

[background technology]

Lockset is for the protection of indoor property and personnel's safety; at present; the common traditional approach of lockset is the machine driving of rotating by door locking handle; the dead bolt that makes door lock stretches out in the dead bolt hole that injects doorframe and locks a door from being arranged on lock body door-plate, or handle of rotary door lock makes the dead bolt retraction lock body inward opening door of door lock.Door locking handle makes dead bolt produce stretching motion by a series of mechanical transmission structure, and the drive mechanism of common traditional approach is complicated, and component are many, the frictional force producing during transmission is large, resistance is large, often will make with larger strength Revolving door lock handle to stretch by dead bolt Shortcomings and shortcoming.

[summary of the invention]

The purpose of this utility model, be to provide a kind of lever drive mechanism of door lock, the lever drive mechanism of described door lock, component are few, simple in structure, gearing friction power is little, resistance is little, solves common door and is latched in drive mechanism complexity, and component are many, the frictional force producing during transmission is large, the technical problem that resistance is large.

The technical scheme of principle of the present utility model and employing is:

1, adopt lever principle design component, Lengthened moment arm, shortens weighing arm, driving force is reduced and alleviate.

2, the shape and the structure that redesign drive mechanism component, make it more reasonable.

3, the component of simplifying drive mechanism, reduce transmission resistance, alleviate.

4, reduce the contact surface between driving member, frictional force is reduced, alleviate resistance.

Concrete technical scheme of the present utility model is: comprise upper connecting base, rotation seat, lower connecting base, lever plate, backing plate, sliding panel and slip copper ring.The pedestal of upper connecting base is arranged in the inner chamber on rotation seat top, and its three claws stick in three upper clipping claw grooves of rotation seat.The pedestal of lower connecting base is arranged in the inner chamber of rotation seat bottom, and turntable is arranged in the rotation hole that door lock base plate is corresponding, can movablely rotate, and forms runner assembly.The concave arc of backing plate contacts with the lower circumference of lower connecting base, and its rotational pin sticks in the rotation hole that door lock base plate is corresponding, can movablely rotate, and its drive block A is positioned at the below of the right-hand rotation swing arm of rotation seat.Two sliding pins of sliding panel stick into respectively in two sliding trays that door lock base plate is corresponding, can do left and right slip along two sliding trays of door lock base plate.Lever plate be arranged on backing plate above, in the fixed axis of its rotation hole inserting door bottom-locking plate, can movablely rotate, its sliding pin B sticks in the oval sliding tray A of backing plate, can slide along oval sliding tray A, its sliding pin A sticks in the slip copper ring in the oval sliding tray B that is arranged on sliding panel, can jointly in sliding tray B, slide by interlock slip copper ring, the Left Drive piece of lever plate is positioned at the below of the left-hand rotation swing arm of rotation seat, and right drive block is positioned at the below of the drive block A of right-hand rotation swing arm and backing plate.

The resistance when arm of force that the drive block A of backing plate forms to the distance of rotational pin has alleviated door locking handle turn than common door lock direct-drive is lever transmission.Backing plate forms above by one.

The rotation hole of lever plate rotates around the fixed axis that is fixed on door lock base plate, and resistance when the long arm of force that rotation hole to the distance of sliding axle A forms has greatly reduced door locking handle turn, is also lever transmission.

Lever plate and backing plate form double lever type drive mechanism, resistance when double lever type drive mechanism has not only alleviated door lock turn, and reduced the transmission component of common door lock, simplified the drive mechanism of common door lock.The contact surface of driving member is few, and frictional force is little, has also alleviated transmission resistance.

The function that is arranged on the slip copper ring in the sliding tray B of sliding panel is to reduce gearing friction and resistance.

The upper connection square hole connection door of upper connecting base is locked the square plug of handle above, when the positive and negative hour hands of door locking handle rotate, drive the positive inhour of upper connecting base to rotate, because three claws of upper connecting base stick in three upper clipping claw grooves of rotation seat, drive the positive and negative hour hands of rotation seat to rotate.When the positive hour hands of rotation seat rotate, its right-hand rotation swing arm presses to the drive block A of backing plate, and the backing plate positive hour hands of untie-sell that rotate are rotated; When drive block A presses to the right drive block of lever plate when rotating, make lever plate around the positive hour hands of sliding axle A rotate and sliding axle B along the sliding tray A slip of backing plate, sliding pin A slides along the sliding tray of slurcam simultaneously, sliding panel is pushed, two sliding pins of sliding panel are done left and right slip along two sliding trays corresponding to door lock base plate, dead bolt and other part movement of making the drive block B promotion door lock of sliding panel, stretch the dead bolt of door lock, contract and lock a door or open the door.

The cylindrical spring pin of rotation seat is controlled by the soft copy of electronic lock, flexible, while putting in the U-shaped cotter way of lower connecting base, make lower connecting base and rotation seat connection of rotating, after door lock, the square plug of handle injects in the lower connection square hole of lower connecting base, after door lock, during handle turn, drive rotation seat to rotate, function is identical with door lock front hand grip.Cylindrical spring pin contracting is during from U-lag, and lower connecting base idle running during handle turn, can not make rotation seat rotate after door lock, even if there is door key to open the door, plays anti-theft function.

The utlity model has simple in structurely, greatly reduce the transmission component of having simplified common door lock, frictional force is little, and resistance is little, and function is many, easy to manufacture, and the advantage that cost is low is a kind of novel multi-function door lock.

[accompanying drawing explanation]

Fig. 1 is that master of the present utility model looks schematic diagram;

Fig. 2 is the upward view of Fig. 1.

Fig. 3 is that the master of upper connecting base looks schematic diagram;

Fig. 4 is the cross-sectional schematic along A-A line in Fig. 3;

Fig. 5 is the rear elevation of Fig. 3.

Fig. 6 is that the master of rotation seat looks schematic diagram;

Fig. 7 is the top view of Fig. 6;

Fig. 8 is the sectional view along B-B line in Fig. 6.

Fig. 9 is that the master of lower connecting base looks schematic diagram;

Figure 10 is the rear elevation of Fig. 9;

Figure 11 is the sectional view along C-C line in Fig. 9.

Figure 12 is that the master of lever plate looks schematic diagram;

Figure 13 is the upward view of Figure 12.

Figure 14 is that the master of backing plate looks schematic diagram;

Figure 15 is the top view of Figure 14.

Figure 16 is that the master of sliding panel looks schematic diagram;

Figure 17 is the top view of Figure 16.

Figure 18 is that the master of slip ring looks schematic diagram;

Figure 19 is the sectional view of Figure 18.

In figure:

1, upper connecting base 1a, upper connection square hole 1b, bottom outlet 1c, claw

2, rotation seat 2a, left-hand rotation swing arm 2b, right-hand rotation swing arm 2c, cylindrical spring pin

2d, upper clipping claw groove 2e, lower claw groove

3, lower connecting base 3a, U-lag 3b, lower connection square hole 3c, turntable

4, lever plate 4a, sliding pin A 4b, Left Drive piece 4c, sliding pin B

4d, right drive block 4e, rotation hole

5, backing plate 5a, rotational pin 5b, sliding tray A 5c, drive block A

6, sliding panel 6a, sliding tray B 6b, drive block B 6c, sliding pin C

6d, sliding pin D

7, slip copper ring

8, door lock base plate 8a, fixed axis

[specific embodiment]

Below in conjunction with drawings and Examples, the utility model is described in detail.

Embodiments of the invention comprise upper connecting base, rotation seat, lower connecting base, lever plate, backing plate, sliding panel and slip copper ring.The pedestal of upper connecting base 1 is arranged in the inner chamber on rotation seat 2 tops, its three claw 1c stick in three upper clipping claw groove 2d of rotation seat 2, the pedestal of lower connecting base 3 is arranged in the inner chamber of rotation seat 2 bottoms, turntable 3c is arranged in the rotation hole of door lock base plate 8 correspondences, can movablely rotate, form runner assembly.The concave arc of backing plate 5 contacts with the lower circumference of lower connecting base 3, and its rotational pin 5a sticks in the rotation hole of door lock base plate 8 correspondences, can movablely rotate, and its drive block A5c is positioned at the below of the right-hand rotation swing arm 2b of rotation seat 2.The sliding pin C6c of sliding panel 6 and sliding pin D6d stick into respectively in two sliding trays of door lock base plate 8 correspondences, can do left and right slip along two sliding trays of door lock base plate 8.Lever plate 4 be arranged on backing plate 5 above, in the fixed axis 8a of its rotation hole 4e inserting door bottom-locking plate 8, can movablely rotate, its sliding pin B4c sticks in the oval sliding tray A5b of backing plate 5, can slide along oval sliding tray A5b, its sliding pin A4a sticks in the slip copper ring 7 in the oval sliding tray B6a that is arranged on sliding panel 6, can jointly in sliding tray B6a, slide by interlock slip copper ring 7, the Left Drive piece 4b of lever plate 4 is positioned at the below of the left-hand rotation swing arm 2a of rotation seat 2, and right drive block 4d is positioned at the below of the drive block A5c of right-hand rotation swing arm 2b and backing plate 5.

The resistance when arm of force that the drive block A5c of backing plate 5 forms to the distance of rotational pin 5a has alleviated door locking handle turn than common door lock direct-drive.Backing plate 5 forms above by one.

The rotation hole 4e of lever plate 4 rotates around the fixed axis 8a that is fixed on door lock base plate 8, resistance when the long arm of force that rotation hole 4e forms to the distance of sliding pin A4a has greatly reduced door locking handle turn.Lever plate 4 forms Double-lever gearing structures with backing plate 5, resistance when Double-lever gearing structure has not only alleviated door lock turn, and reduced the transmission component of common door lock, simplified the drive mechanism of common door lock.The contact surface of driving member is few, and frictional force is little, has also alleviated transmission resistance.

The function that is arranged on the slip copper ring 7 in the sliding tray B6a of sliding panel 6 is to reduce gearing friction and resistance.

The square plug of handle before the upper connection square hole 1a connection door lock of upper connecting base 1, when the positive and negative hour hands of door locking handle rotate, drive the positive and negative hour hands of upper connecting base 1 to rotate, because three claw 1c of upper connecting base 1 stick in three upper clipping claw groove 2d of rotation seat 2, drive the positive and negative hour hands of rotation seat 2 to rotate.When the positive hour hands of rotation seat 2 rotate, when its right-hand rotation swing arm 2b presses to the drive block A5c of backing plate 5, the backing plate 5 positive hour hands of untie-sell 5a that rotate are rotated; When drive block A5c presses to the right drive block 4d of lever plate 4 when rotating, make lever plate 4 around the positive hour hands of sliding pin A4a rotate and sliding pin B4c along the sliding tray A5b slip of backing plate 5, sliding pin A4a slides along the sliding tray B6a of sliding panel 6 simultaneously, sliding panel 6 is pushed, sliding pin C6c and sliding pin D6d do left and right slip along the sliding tray of door lock base plate 8 correspondences respectively, dead bolt and other part movement of making the drive block B6b promotion door lock of sliding panel 6, stretch the dead bolt of door lock, contract and lock a door or open the door.Peep hole when the bottom outlet 1b of upper connecting base 1 is installation.

The cylindrical spring pin 2c of rotation seat 2 is controlled by the soft copy of electronic lock, flexible, while putting in the U-lag 3a of lower connecting base 3, make lower connecting base 3 and rotation seat 2 connection of rotatings, after door lock, the square plug of handle injects in the lower connection square hole 3b of lower connecting base 3, after door lock, during handle turn, drive rotation seat 2 to rotate, function is identical with handle before door lock.Cylindrical spring pin 2c contracting is during from U-lag 3a, and lower connecting base 3 idle running during handle turn, can not make rotation seat 2 rotate after door lock, even if there is door key to open the door, play anti-theft function.

The effect of the lower claw groove 2e of rotation seat 2 becomes upper clipping claw groove while being rotation seat 2 reversion installation.

Before described door lock handle and below the direction of handle and part be that present specification is described, the direction while installing with door lock is without impact.

Claims (2)

1. the lever drive mechanism of door lock, comprise upper connecting base, rotation seat, lower connecting base, lever plate, backing plate, sliding panel and slip copper ring, it is characterized in that: the pedestal of upper connecting base (1) is arranged in the inner chamber on rotation seat (2) top, its three claws (1c) stick in three upper clipping claw grooves (2d) of rotation seat (2), the pedestal of lower connecting base (3) is arranged in the inner chamber of rotation seat (2) bottom, turntable (3c) is arranged in the rotation hole that door lock base plate (8) is corresponding, can movablely rotate, form runner assembly, the concave arc of backing plate (5) contacts with the lower circumference of lower connecting base (3), its rotational pin (5a) sticks in the rotation hole that door lock base plate (8) is corresponding, can movablely rotate, its drive block A (5c) is positioned at the below of the right-hand rotation swing arm (2b) of rotation seat (2), the sliding pin C (6c) of sliding panel (6) and sliding pin D (6d) stick into respectively in two sliding trays that door lock base plate (8) is corresponding, can do left and right slip along two sliding trays of door lock base plate (8), lever plate (4) be arranged on backing plate (5) above, in the fixed axis (8a) of its rotation hole (4e) inserting door bottom-locking plate (8), can movablely rotate, its sliding pin B (4c) sticks in the oval sliding tray A (5b) of backing plate (5), can slide along oval sliding tray A (5b), its sliding pin A (4a) sticks in the slip copper ring (7) in the oval sliding tray B (6a) that is arranged on sliding panel (6), can jointly in sliding tray B (6a), slide by interlock slip copper ring (7), the Left Drive piece (4b) of lever plate (4) is positioned at the below of the left-hand rotation swing arm (2a) of rotation seat (2), right drive block (4d) is positioned at the below of the drive block A (5c) of right-hand rotation swing arm (2b) and backing plate (5).

2. the lever drive mechanism of door lock according to claim 1, backing plate (5) forms above by one.

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