CN217681153U

CN217681153U - Door latch hook driving structure with self-locking function

Info

Publication number: CN217681153U
Application number: CN202221569443.9U
Authority: CN
Inventors: 刘华峰
Original assignee: Shenyang Nuoxin Building Hardware Technology Co ltd
Current assignee: Shenyang Nuoxin Building Hardware Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-28
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a door latch hook drive structure with self-locking function, including the lock box, set up latch hook and gleitbretter in the end box part of lock box, the gleitbretter is the plane department that the slice was placed at end box, set up special-shaped slide on the latch hook and be connected with the self-locking pin cooperation on the gleitbretter, and the latch hook set up the round hole with fixed pin coupling on the end box, special-shaped slide on the latch hook divide into arc line section and straightway, under the state that the latch hook was withdrawed, the self-locking pin sets up in the middle part position department of special-shaped slide, after the latch hook atress rotated out and reached assigned position department, the self-locking pin idle stroke moved to the tip department of straightway on the straightway; the straight line section is arranged in parallel with the thin wall part of the bottom box; and the straight line section of the lock hook is perpendicular to the straight line section of the bottom box thin wall after being screwed out; the locking plate sets up a lug with gland butt department, the lug still with the lower bottom surface butt of gland, the utility model has the advantages that: prevent destruction, have self-locking function, and the fit clearance is little, and the wholeization degree is high, and the customer uses the experience to feel better.

Description

Door latch hook driving structure with self-locking function

Technical Field

The utility model relates to a sealed lock field, a door mode locking block structure with self-locking function specifically says so.

Background

The door lock hook on the existing market only realizes the closing function of a simple door, and the intelligent door lock hook only has safety under the condition of power-on, if the fit clearance is too large under the closing state of the door lock, the door lock is easy to be pried, the sealing property of the door is also reduced, a door lock hook structure with self-locking function is lacked in the market, and the sealing property is good, difficult to be pried and high in reliability.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model discloses a door latch hook drive structure with self-locking function.

The specific technical scheme is as follows:

a door lock hook driving structure with a self-locking function comprises a lock box, wherein a sliding piece is arranged in the lock box and connected with a lock hook, a round hole is formed in the lock hook and is in shaft connection with a fixed pin on a bottom box, a special-shaped sliding way is arranged on the lock hook and is in matched connection with a self-locking pin fixed on the sliding piece, and the sliding piece is abutted against a side plate of the lock box; the special-shaped slide way is divided into an arc line section and a straight line section, the self-locking pin is arranged at the joint of the special-shaped slide way and the straight line slide way in a state that the locking hook is retracted, when the slide piece moves transversely, the locking hook is pushed by the limiting pin to rotate and unscrew, and after the slide piece reaches a specified position, the straight line section is parallel to the side plate; and the straight line section of the locking hook is vertical to the side plate after being screwed out; in order to limit the axial movement of the locking hook along the rotating shaft in the screwing-out process, a convex block is arranged at the abutting part of the locking hook and the gland.

The bottom box is provided with a ribbed plate which is abutted against the sliding sheet.

And the sliding plate is provided with an auxiliary lock pin, and the auxiliary lock pin is arranged in a groove on the gland.

The left end and the right end of the sliding sheet are respectively abutted against the left wall and the right wall of the inner side of the bottom box in two states of screwing the locking hook in and screwing out.

In order to limit the shaking generated when the sliding piece transversely moves, a pressing piece is arranged on one side of the locking hook of the sliding piece and is overlapped in a groove formed between the bottom box and the pressing cover.

The utility model has the advantages that: prevent destruction, have self-locking function, and the fit clearance is little, and the wholeization degree is high, and the customer uses the experience to feel better.

Drawings

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

FIG. 2 is a schematic view of the structure of the utility model in the unlocked state;

FIG. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic structural diagram of the latch hook.

Detailed Description

The utility model discloses below combine the figure to explain specifically the utility model, as shown in the figure, the left and right direction in the description figure is lateral shifting's direction, a door latch hook drive structure with self-locking function, including lock box 1, set up latch hook 2 and gleitbretter 3 in the end box 7 part of lock box, and form a whole through gland 4 lock, gleitbretter 3 and the curb plate 12 butt of lock box, set up special-shaped slide 4 on the latch hook and be connected with the cooperation of self-locking pin 5 on the gleitbretter, and the latch hook sets up round hole 6 and is connected with fixed pin 61 on the end box, special-shaped slide on the latch hook divide into arc segment 41 and straightway 42, under the state that the latch hook withdrawed, self-locking pin 5 sets up in the middle part position department of special-shaped slide, when gleitbretter 3 lateral shifting, latch hook 2 atress rotates to screw out and arrives assigned position department after, self-locking pin 5 moves to the tip department of straightway on the straightway; in order to realize the self-locking of the sliding piece 3 and the locking hook 2, the straight line segment 42 is arranged in a horizontal line and is parallel to the bottom box side plate 12; and the straight line segment 21 of the latch hook is perpendicular to the straight line segment 71 of the bottom box thin wall after being screwed out; in order to limit the axial movement of the locking hook along the rotating shaft in the screwing-out process, a convex block 8 is arranged at the butt joint of the locking plate and the gland, and the convex block 8 is also abutted against the lower bottom surface of the gland.

The bottom box is provided with a ribbed plate 72 which is abutted against the sliding sheet.

The sliding plate is provided with an auxiliary lock pin 10, the sliding plate is provided with the auxiliary lock pin, the auxiliary lock pin is arranged in a groove 41 in the gland 4, and the groove 41 can provide guidance for the sliding plate by matching with the auxiliary lock pin.

The left end and the right end of the sliding sheet are respectively abutted against the left wall 73 and the right wall 74 of the inner side of the bottom box in two states of screwing the locking hook in and out.

In order to limit the swing generated when the sliding sheet transversely moves, the sliding sheet is provided with a pressing sheet 9 at one side of the locking hook, the pressing sheet 9 is lapped in a groove 11 formed between the bottom box and the pressing cover,

the utility model discloses a theory of operation is: as shown in fig. 1, a plane coordinate is established, the X-axis direction is the horizontal direction, the Y-axis direction is the vertical direction, in the plane view, the thin-wall part a of the bottom box is parallel to the X-axis, the screwing-in and screwing-out range of the lock hook is 90 degrees of rotation around the fixed pin 61, when the slide sheet 3 moves transversely to drive the lock hook 2 to screw out at the initial position, when the slide sheet is screwed out to the designated position, namely the straight line segment 42 (namely the part B) of the lock hook is parallel to the X-axis, the slide sheet continues to move to the end part at the straight line segment of the special-shaped slide way, when the lock hook is subjected to the action of external force and has a rotation trend, the special-shaped slide way transmits the external force to the limit pin, the limit pin and the slide sheet are integrated, the slide sheet is abutted to the side edge of the bottom box, the movement of the limit pin in the Y-axis direction is limited, thereby realizing the self-locking function of the lock hook;

the utility model has the advantages that: the contact area of gleitbretter and end box is many, sets up the preforming simultaneously, has guaranteed that the gleitbretter is at removal in-process stability, sets up the in-process volume of rocking that the lug has guaranteed that the latch hook screw in back-out is little on the latch hook, promotes user experience and feels.

Claims

1. The utility model provides a door latch hook drive structure with self-locking function, includes the lock box, sets up the gleitbretter in the lock box, and the gleitbretter is connected with the latch hook, the latch hook sets up the fixed pin coupling on round hole and the end box, its characterized in that: the lock hook is provided with a special-shaped slideway which is matched and connected with a self-locking pin fixed on a sliding sheet, and the sliding sheet is abutted against a side plate of the lock box; the special-shaped slide way is divided into an arc line section and a straight line section, the self-locking pin is arranged at the joint of the special-shaped slide way and the straight line slide way in a state that the locking hook is retracted, when the slide piece moves transversely, the locking hook is pushed by the limiting pin to rotate and unscrew, and after the slide piece reaches a specified position, the straight line section is parallel to the side plate; and the straight line section of the lock hook is vertical to the side plate after being screwed out; in order to limit the axial movement of the locking hook along the rotating shaft in the screwing-out process, a convex block is arranged at the abutting part of the locking hook and the gland.

2. The door latch hook driving structure with self-locking function according to claim 1, wherein: the bottom box is provided with a ribbed plate which is abutted against the sliding sheet.

3. The door latch hook driving structure with self-locking function according to claim 1, wherein: and the sliding plate is provided with an auxiliary lock pin, and the auxiliary lock pin is arranged in a groove on the gland.

4. The door latch hook driving structure with self-locking function according to claim 1, wherein: the left end and the right end of the sliding sheet are respectively abutted against the left wall and the right wall of the inner side of the bottom box in two states of screwing the locking hook in and screwing out.

5. The door latch hook driving structure with self-locking function according to claim 1, wherein: in order to limit the shaking generated when the sliding piece transversely moves, a pressing piece is arranged on one side of the locking hook of the sliding piece and is overlapped in a groove formed between the bottom box and the pressing cover.