CN220621435U

CN220621435U - Lock box

Info

Publication number: CN220621435U
Application number: CN202322165375.0U
Authority: CN
Inventors: 陆德荣
Original assignee: Zhaoqing Hongfeng Metal Technology Co ltd
Current assignee: Zhaoqing Hongfeng Metal Technology Co ltd
Priority date: 2023-08-13
Filing date: 2023-08-13
Publication date: 2024-03-19
Anticipated expiration: 2033-08-13

Abstract

The utility model discloses a lock box, which belongs to the field of door and window hardware accessories and is used for driving locking and unlocking of doors and windows through a handle, and solves the technical problem of quick assembly under accurate positioning.

Description

Lock box

Technical Field

The utility model belongs to the field of door and window hardware fittings, and particularly relates to a lock box.

Background

When the door and window lock box is used, the handle drives the transmission mechanism in the lock box to enable the lock pin to move, and locking and unlocking of the door and window are achieved through the lock pin. Most of the transmission mechanisms of the existing lock boxes adopt gear and rack transmission mechanisms, gears are arranged on driving parts of the lock boxes, racks are arranged on the transmission parts of the lock boxes, and the gears are driven to rotate by pulling handles, so that the gears and the racks are transmitted to further drive locking pins to move. However, the installation of the lock box and the door and window inevitably touches the gear and the rack, thereby changing the position of the rack and bringing great trouble to the installation.

Disclosure of Invention

The utility model aims to provide a lock box, which realizes the positioning of a gear and a rack in the installation process.

According to one aspect of the utility model, the lock box comprises a transmission box and a driving box, wherein a gear is arranged in the driving box, a rack is arranged in the transmission box, the gear is meshed with the rack, the driving box is embedded into an embedded block, the embedded block is provided with a positioning column for clamping the gear, the gear is provided with a shaft hole, and the rack is connected with a lock pin.

The transmission box includes end box and apron, is equipped with draw runner plate, backup pad and drive plate in proper order from end box to apron, draw runner plate, backup pad and drive plate's both sides all are equipped with the turn-ups, the drive plate passes through rack engagement gear, the apron is equipped with the spout, rack slidable mounting is in the spout, the bottom of drive plate cup joints and is spacing in the backup pad, the draw runner plate has been cup jointed to the bottom of backup pad, backup pad slidable mounting is in the draw runner plate, the bottom of draw runner plate is installed in end box, the drive plate passes through the connecting plate and installs the lockpin.

The flange of the chute plate is provided with a groove, the middle part of the cover plate is arranged in the groove, and two ends of the cover plate are clamped between the flanges of the chute plate.

The locking plate and the spacing post are installed to the both ends of apron, the outer fringe of locking plate is equipped with the draw-in groove that is used for joint spacing post.

The transmission plate is fixed in the bottom box through the buckle, the bottom box is equipped with the limiting plate at the both ends of transmission plate.

The driving box comprises a box body, a box cover and an embedded block, wherein a gear is arranged on the front side of the box body, the embedded block is embedded into the back side of the box body, and the box cover covers and is clamped with the box body, the gear, the rack and the embedded block.

The embedded block is provided with a mounting screw hole.

The mounting screw hole comprises a protruding hole protruding out of the embedded block and a flush hole embedded in the embedded block, and the protruding hole and the flush hole are counter bores.

The gear is correspondingly provided with a limiting groove for clamping the positioning column.

The beneficial effects of the utility model are as follows: when the lock box is installed, the embedded block is inserted to enable the positioning column to be abutted against the limiting groove of the gear, so that the gear and the rack are locked, other accessories are installed when the gear and the rack are positioned, positioning is accurate, assembly is rapid, and the assembly structure is effectively simplified.

Drawings

FIG. 1 is a perspective view of a lock box of the present utility model;

FIG. 2 is an exploded view of the lock box of FIG. 1;

FIG. 3 is a top view of the lock box of FIG. 1;

fig. 4 is a cross-sectional view A-A of the lock box of fig. 3.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the lock box comprises a transmission box and a driving box, the driving box comprises a box body 1, a box cover 2 and an embedded block 3, a gear 4 is installed on the front surface of the box body 1, the embedded block 3 is embedded in the back surface of the box body 1, a positioning column 5 and a mounting screw hole are arranged on the embedded block 3, the mounting screw hole comprises a protruding hole 6 and a flush hole 7, the protruding hole 6 protrudes from the embedded block 3 and penetrates out from the front surface of the box body 1, and the flush hole 7 is embedded in the embedded block 3 and is flush with the back surface of the box body 1. The gear 4 is provided with a shaft hole 25 and a limit groove 24.

The transmission box includes end box 8 and apron 9, be equipped with draw runner board 10 from end box 8 to apron 9 in proper order, backup pad 11 and drive plate 12, the both sides of draw runner board 10, backup pad 11 and drive plate 12 all are equipped with turn-ups f, drive plate 12 is through rack 13 meshing gear 4, apron 9 is equipped with spout 14, rack 13 slidable mounting is in spout 14, drive plate 12 is fixed in end box 8 through buckle 15, end box 8 is equipped with limiting plate 16 at the both ends of drive plate 12, lid 2 covers box body 1, gear 4, rack 13, slug 3 and covers and the joint in apron 9. The bottom of drive plate 12 has cup jointed backup pad 11, and the bottom of backup pad 11 has cup jointed the frid 10, and backup pad 11 passes through pin 17 with drive plate 12 to be connected, and backup pad 11 slidable mounting is in frid 10, and the bottom screw of frid 10 is fixed in end box 8, and drive plate 12 passes through connecting plate 18 installation lockpin 19. The turnups of the chute board 10 are provided with grooves 20, the middle part of the cover plate 9 is arranged in the grooves 20, and two ends of the cover plate 9 are clamped between the turnups of the chute board 10. The locking plate 21 and the limit posts 22 are arranged at two ends of the cover plate 9, the outer edge of the locking plate 21 is provided with a clamping groove 23, and the locking plate 21 is fixed by being clamped in the limit posts 22 through the clamping groove 23.

Under the transmission action of the gear 4 and the rack 13, the rack 13 drives the transmission plate 12 and the support plate 11 to slide along the sliding groove plate 10, so that the connection plate 18 and the lock pin 19 are driven to move, and the purpose of locking and unlocking the door and window is achieved by utilizing the up-and-down movement of the lock pin 19.

When the lock box is installed on a door or window, the embedded block 3 is inserted to enable the positioning column 5 to abut against the limiting groove 24 of the gear 4, so that the gear 4 and the rack 13 are locked, under the condition that the gear 4 and the rack 13 are positioned, the embedded block 3 is pulled out to enable the positioning column 5 to be separated from the limiting groove 24, the driving box is fixed in a section bar groove of the door or window through the protruding hole 6 and the flush hole 7, meanwhile, the locking plate 21 of the driving box is fixed in the section bar groove of the door or window, and the handle is installed in the shaft hole 25 of the driving box, so that the installation of the lock box and the door or window is completed. The whole installation process is firstly positioned and then installed, so that the positioning is accurate, the assembly is quick, and the assembly structure is effectively simplified.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. The lock box, its characterized in that, including transmission box and drive box, the drive box embeds has gear (4), the drive box embeds has rack (13), gear (4) with rack (13) meshing, drive box embedding abaculus (3), abaculus (3) are equipped with reference column (5) that are used for chucking gear (4), gear (4) are equipped with shaft hole (25), rack (13) are connected with lockpin (19).

2. The lock box according to claim 1, characterized in that the transmission box comprises a bottom box (8) and a cover plate (9), a chute plate (10), a support plate (11) and a transmission plate (12) are sequentially arranged from the bottom box (8) to the cover plate (9), flanging (f) are arranged on two sides of the chute plate (10), the support plate (11) and the transmission plate (12), the transmission plate (12) is meshed with a gear (4) through a rack (13), the cover plate (9) is provided with a sliding groove (14), the rack (13) is slidably mounted in the sliding groove (14), the bottom of the transmission plate (12) is sleeved and limited to the support plate (11), the bottom of the support plate (11) is sleeved with the chute plate (10), the bottom of the chute plate (10) is mounted on the bottom of the bottom box (8), and the transmission plate (12) is mounted with a lock pin (19) through a connecting plate (18).

3. The lock box according to claim 2, characterized in that the turnups of the chute plates (10) are provided with grooves (20), the middle part of the cover plate (9) is arranged in the grooves (20), and two ends of the cover plate (9) are clamped between the turnups of the chute plates (10).

4. The lock box according to claim 2, characterized in that the locking plate (21) and the limit post (22) are installed at both ends of the cover plate (9), and the outer edge of the locking plate (21) is provided with a clamping groove (23) for clamping the limit post (22).

5. The lock box according to claim 2, characterized in that the transmission plate (12) is fixed to the bottom box (8) by means of a buckle (15), and the bottom box (8) is provided with limiting plates (16) at both ends of the transmission plate (12).

6. The lock box according to claim 2, characterized in that the driving box comprises a box body (1), a box cover (2) and an embedded block (3), wherein a gear (4) is arranged on the front side of the box body (1), the embedded block (3) is embedded in the back side of the box body (1), and the box cover (2) covers the box body (1), the gear (4), the rack (13) and the embedded block (3) and is clamped on the cover plate (9).

7. A lock box according to claim 1 or 6, characterized in that the insert (3) is provided with mounting screw holes.

8. The lock box according to claim 7, characterized in that the mounting screw hole comprises a protruding hole (6) protruding from the insert (3) and a flush hole (7) built in the insert (3), the protruding hole (6) and the flush hole (7) being counter bores.

9. Lock box according to claim 1, characterized in that the gear wheel (4) is correspondingly provided with a limit groove (24) for clamping the positioning column (5).