Sliding door and window lock capable of preventing locking failure

Abstract

The utility model discloses a sliding door and window lock capable of preventing locking failure, which comprises a lock box main body and a transmission structure, and the transmission structure comprises a sliding part arranged in the lock box main body and a fixed plate arranged on the lock box main body and close to the outer side. The end face of the side, back on to the sliding component, of the fixed plate is provided with a circumferential rotating assembly used for driving the sliding component to move back and forth and a shifting fork assembly matched and clamped with the fixed plate in the process of moving back and forth along with the sliding component, and the sliding component moves back and forth through the circumferential rotating assembly. In the locking state, the shifting fork assembly is fixedly connected with a first clamping hook on the fixing plate in a clamped mode through an elastic clamping block, and the situation that due to repeated reciprocating motion, matching between transmission mechanisms is loosened is effectively prevented; and after being locked, the shifting fork assembly is easy to fall down automatically, so that the lock function of the strip lock is invalid.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding door and window locks, and particularly relates to a sliding door and window lock for preventing locking failure. Background Art

[0002] With the development of modern building technology and the improvement of user requirements, people continuously improve the door and window structure. The commonly used hardware fitting for sliding doors and windows, the sliding door lock, usually consists of a lock body, a toggle bar installed in the lock body, and a slider installed on the toggle bar. During application, the locking and unlocking of the sliding door leaf are achieved through the reciprocating movement of the toggle bar.

[0003] The existing toggle bar is generally fixed by positioning steel balls stuck in positioning holes. After the transmission mechanism reciprocates many times by sliding up and down, the cooperation between the transmission mechanisms will become loose, and the toggle bar is likely to fall downward, resulting in the failure of the locking function of the bar lock. Summary of the Utility Model

[0004] In view of the technical defects in the background art, the utility model proposes a sliding door and window lock for preventing locking failure, which solves the above technical problems and meets the actual needs. The specific technical solutions are as follows:

[0005] A sliding door and window lock for preventing locking failure includes a lock box main body and a transmission structure cooperating with the lock box main body. The transmission structure includes a sliding component arranged in the lock box main body and a fixing plate component arranged near the outer side of the lock box main body. On the end face of the fixing plate component facing away from the sliding component, there is a circumferential rotation component for driving the sliding component to move back and forth, and a fork component that cooperates and engages with the fixing plate component during the back-and-forth movement of the sliding component.

[0006] As an improvement of the above solution, the sliding component has a transmission chamber with an opening facing the direction of the fixing plate component. The output end of the circumferential rotation component and the transmission end of the fork component both pass through the fixing plate component and are arranged in the transmission chamber.

[0007] As an improvement of the above solution, the output end of the circumferential rotation component is provided with a driving gear. At the position of the sliding component corresponding to the driving gear, there is a first transmission groove with a linear opening, and on any side groove edge of the first transmission groove, there is a rack matching the driving gear.

[0008] As an improvement of the above solution, the fork component includes a fork head arranged outside the fixing plate component and in a C shape, and a fork slider arranged inside the fixing plate component. An elastic clamping component is arranged between the fork slider and the fixing plate component.

[0009] As an improvement of the above solution, a strip-shaped chute one is provided along the length direction of the fixed plate member, the fork head reciprocates along the length direction of the strip-shaped chute one, and limiting blocks for clamping with the elastic clamping assembly are provided on both sides of the fixed plate member corresponding to the fork slider.

[0010] As an improvement of the above solution, an installation groove is provided at one end of the fork slider facing the locking direction, the elastic clamping assembly includes an elastic clamping block and an elastic member arranged in the installation groove, and a groove for accommodating the elastic member is provided on the end face of the elastic clamping block facing the inside of the installation groove.

[0011] As an improvement of the above solution, a first hook for cooperating with and clamping the fixed plate member is provided on the end face of the elastic clamping block facing the sliding member direction, and the number of the first hooks is two, which are respectively arranged at positions close to both sides of the width of the elastic clamping block.

[0012] As an improvement of the above solution, a second hook is provided between the two first hooks on both sides of the elastic clamping block, a third hook for pressing the second hook during the reciprocating movement of the sliding member is provided at the position of the sliding member corresponding to the elastic clamping block, and the inclined surfaces of the second hook and the third hook are in contact with each other.

[0013] As an improvement of the above solution, the fork slider is provided with a transmission block protruding towards the sliding member direction, and a second transmission groove aligned with the reciprocating direction of the sliding member is provided at the position of the sliding member corresponding to the transmission block.

[0014] As an improvement of the above solution, at least one connecting column for connecting the sliding member is provided along the length direction of the fixed plate member, and a strip-shaped chute two is provided at the position of the sliding member corresponding to the connecting column.

[0015] The beneficial effects of the present utility model are as follows: The sliding member realizes reciprocating movement through the circumferential rotation assembly, drives the fork assembly to move to achieve locking. In the locked state, the fork assembly is clamped and fixed with the first hook on the fixed plate member through the elastic clamping block, keeping the fork assembly in the locked position, effectively preventing the cooperation between the transmission mechanisms from becoming loose due to multiple reciprocating movements, and preventing the phenomenon that the fork assembly is prone to falling downward by itself after being locked, resulting in the failure of the locking function of the bar lock. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the lock box body of the present utility model.

[0017] Figure 2 It is a schematic diagram of the transmission structure of the present utility model.

[0018] Figure 3Schematic structural diagram of the fork component of the present utility model.

[0019] Figure 4 Schematic structural diagram of the fixed plate member of the present utility model.

[0020] Figure 5 Schematic structural diagram of the fixed plate member and the fork component of the present utility model.

[0021] Figure 6 Schematic structural diagram of the sliding member of the present utility model.

[0022] Figure 7 Schematic structural diagram of the circumferential rotation assembly of the present utility model.

[0023] Figure 8 Schematic diagram of the elastic clamping block structure of the present utility model Figure 1 .

[0024] Figure 9 Schematic diagram of the elastic clamping block structure of the present utility model Figure 2 .

[0025] Wherein: lock box body 1, sliding member 2, transmission chamber 201, first transmission groove 202, rack 203, third catch 204, second transmission groove 205, bar-shaped chute two 206, fixed plate member 3, bar-shaped chute one 301, connecting column 302, limit catch 303, circumferential rotation assembly 4, driving gear 401, fork component 5, fork head 501, fork slider 502, transmission block 503, installation groove 504, elastic clamping assembly 6, elastic clamping block 601, groove 602, first catch 603, second catch 604. Specific embodiments

[0026] The following combines the accompanying drawings with related embodiments to illustrate the implementation manners of the present utility model. The implementation manners of the present utility model are not limited to the following embodiments, and the relevant necessary components involved in the present utility model should be regarded as well-known technologies in the technical field, which can be known and mastered by those skilled in the technical field.

[0027] As Figures 1 to 9 shown, a push-pull window and door lock for preventing locking failure includes a lock box body 1 and a transmission structure cooperating with the lock box body 1. The transmission structure includes a sliding member 2 disposed in the lock box body 1 and a fixed plate member 3 disposed near the outer side of the lock box body 1. One end face of the fixed plate member 3 facing away from the sliding member 2 is provided with a circumferential rotation assembly 4 for driving the sliding member 2 to move back and forth, and a fork component 5 that cooperates with the fixed plate member 3 for clamping during the back-and-forth movement of the sliding member 2.

[0028] In a specific embodiment of the present utility model, the lock box body 1 is installed on both sides of the sliding door leaf, that is, indoors and outdoors respectively, and the transmission structure can be installed on the indoor side or the outdoor side according to needs. The fixed plate 3 is fixed to the sliding door leaf by screws, and the sliding component 2 moves back and forth along the length direction of the fixed plate 3. The circumferential rotation component 4 passes through the fixed plate 3 along the other side of the sliding door leaf to drive and control the sliding component 2 to perform reciprocating motion, and the fork assembly 5 follows the sliding component 2 to perform reciprocating motion. When the sliding component 2 moves toward the locking direction, the fork assembly 5 moves in the locking direction driven by the sliding component 2, and when reaching the locking position, it is clamped and fixed with the limit block 303 on the fixed plate 3 by the elastic clamping component 6, so as to keep the fork assembly 5 in the locking position and effectively prevent it from falling.

[0029] It should be noted that when the sliding component 2 is resetting, the sliding component 2 presses the second hook 604 through the third hook 204, so that the elastic block 601 retracts, and the first hook 603 retracts synchronously with the elastic block 601 and separates from the limit block 303, thereby completing the resetting along with the sliding component 2.

[0030] Further, as an improvement of the above solution, the sliding component 2 has a transmission chamber 201 with an opening toward the fixed plate 3, and the output end of the circumferential rotation component 4 and the transmission end of the fork component 5 are both arranged in the transmission chamber 201 through the fixed plate 3;

[0031] Further, in the above scheme, the output end of the circumferential rotating component 4 is provided with a driving gear 401, and the position of the sliding component 2 corresponding to the driving gear 401 is provided with a first transmission groove 202 with a straight opening, and any side of the first transmission groove 202 is provided with a rack 203 matching the driving gear 401. When it is necessary to control the sliding component 2 to move back and forth in the locking direction, the circumferential rotating component 4 rotates the driving gear 401 to rotate, and the sliding component 2 is controlled to slide back and forth in the locking direction by toggling the rack 203;

[0032] Furthermore, in the above scheme, the fork assembly 5 includes a C-shaped fork head 501 arranged on the outside of the fixed plate 3, and a fork slider 502 arranged on the inside of the fixed plate 3, and an elastic clamping assembly 6 is provided between the fork slider 502 and the fixed plate 3; it should be noted that the fork head 501 is connected to the locking point to achieve the locking of the sliding door or window sash, and the fork slider 502 is pushed by the sliding component 2 to drive the fork head 501 to move back and forth.

[0033] Further, in the above solution, a strip-shaped chute 301 is provided along the length direction of the fixed plate member 3. The fork head 501 extends into the door leaf along the strip-shaped chute 301 and reciprocates along the length direction of the strip-shaped chute. Limiting blocks 303 that are engaged with the elastic clamping assembly 6 are provided on both sides of the fixed plate member 3 corresponding to the fork slider 502.

[0034] Further, in the above solution, an installation groove 504 is provided at one end of the fork slider 502 facing the locking direction. The elastic clamping assembly 6 includes an elastic clamping block 601 and an elastic member disposed in the installation groove 504. A groove 602 for accommodating the elastic member is provided on the end face of the elastic clamping block facing the inside of the installation groove 504.

[0035] It should be noted that when the sliding member 2 executes the locking process, the sliding member 2 pushes the fork slider 502 to move in the locking direction. When passing through the limiting block 303, the limiting block 303 presses the elastic clamping block 601 along the inclined surface position of the first hook 603. After passing through the limiting block 303, the elastic clamping block 601 resets and pops out and is fixedly engaged with the limiting block 303 through the first hook 603 to prevent the fork assembly 5 from falling down by itself and causing the locking function of the strip lock to fail.

[0036] Further, in the above solution, a first hook 603 that is cooperatively engaged with the fixed plate member 3 is provided on the end face of the elastic clamping block 601 facing the sliding member 2. The number of the first hooks 603 is two, and they are respectively provided at positions close to both sides of the width of the elastic clamping block 601.

[0037] Further, in the above solution, a second hook 604 is provided between the two first hooks 603 on both sides of the elastic clamping block 601. A third hook 204 for pressing the second hook 604 during the reciprocating movement of the sliding member 2 is provided on the sliding member 2 corresponding to the position of the elastic clamping block 601. The inclined surfaces of the second hook 604 and the third hook 204 are in contact with each other.

[0038] It should be noted that during the reciprocating movement of the fork slider 502, the elastic latch 601 needs to be pressed and contracted to smoothly pass through the limiting height of the limiting latch 303. During the locking process, the elastic latch 601 is pressed by the contact between the inclined surface of the first hook 603 and the limiting latch 303, so that the fork slider 502 can smoothly pass through the limiting latch 303. During the reset process, as the sliding member 2 moves, the third hook 204 presses the inclined surface of the second hook 604 through the inclined surface contact, realizing the pressing of the elastic latch 601, so that the first hook 603 is disengaged from the limiting latch 303, and then follows the sliding member 2 to complete the reset.

[0039] Further, in the above solution, the fork slider 502 is provided with a transmission block 503 protruding towards the sliding member 2. At the position corresponding to the transmission block 503 on the sliding member 2, a second transmission groove 205 aligned with the reciprocating direction of the sliding member 2 is provided. It should be noted that when the sliding member 2 reciprocates in the tightening direction, a gap for the sliding of the sliding member 2 is reserved between the two ends of the second transmission groove 205 and the transmission block 503. When the sliding member 2 performs the reset movement after completing the locking movement, the gap between the transmission block 503 and the end of the second transmission groove 205 enables the sliding member 2 to first perform the operation of pressing the elastic latch 601 during the reset, so that the fork slider 502 can smoothly pass through the limiting latch 303 to complete the reset.

[0040] Further, in the above solution, at least one connecting column 302 for connecting the sliding member 2 is provided along the length direction of the fixed plate member 3. At the position corresponding to the connecting column 302 on the sliding member 2, a strip-shaped chute two 206 is provided.

[0041] The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A sliding door and window lock that prevents locking failure, characterized in that: The invention comprises a lock box body (1) and a transmission structure cooperating with the lock box body (1), wherein the transmission structure comprises a sliding component (2) arranged in the lock box body (1) and a fixed plate (3) arranged near the outer side of the lock box body (1), and a circumferential rotating component (4) for driving the sliding component (2) to move back and forth is provided on an end surface of the fixed plate (3) facing away from the sliding component (2), and a shift fork component (5) cooperating with the fixed plate (3) to engage with the fixed plate (3) during the reciprocating movement of the sliding component (2).

2. The anti-locking failure sliding door and window lock according to claim 1, characterized in that: The sliding component (2) has a transmission chamber (201) with an opening facing the direction of the fixed plate (3); the output end of the circumferential rotation component (4) and the transmission end of the shift fork component (5) are both arranged in the transmission chamber (201) through the fixed plate (3).

3. The anti-locking failure sliding door and window lock according to claim 1, characterized in that: The output end of the circumferentially rotating component (4) is provided with a driving gear (401), the sliding component (2) is provided with a first transmission groove (202) with a straight-line opening at a position corresponding to the driving gear (401), and a rack (203) matching the driving gear (401) is provided on any side of the first transmission groove (202).

4. The anti-locking failure sliding door and window lock according to claim 1, characterized in that: The shift fork assembly (5) comprises a C-shaped shift fork head (501) arranged outside the fixed plate (3), a shift fork slider (502) arranged inside the fixed plate (3), and an elastic clamping assembly (6) is provided between the shift fork slider (502) and the fixed plate (3).

5. The anti-locking failure sliding door and window lock according to claim 4, characterized in that: A strip-shaped slide groove (301) is provided along the length direction of the fixed plate (3), the shift fork head (501) moves back and forth along the length direction of the strip-shaped slide groove (301), and limit clamping blocks (303) that are clamped with an elastic clamping assembly (6) are provided on both sides of the fixed plate (3) corresponding to the shift fork slider (502).

6. The anti-locking failure sliding door and window lock according to claim 4, characterized in that: An installation groove (504) is provided at one end of the shift fork slider (502) facing the locking direction, the elastic clamping assembly (6) comprises an elastic clamping block (601) and an elastic member arranged in the installation groove (504), and a groove (602) for accommodating the elastic member is provided on one end surface of the elastic clamping block (601) facing the installation groove (504).

7. The anti-locking failure sliding door and window lock according to claim 6, characterized in that: The end surface of the elastic clamping block (601) facing the sliding component (2) is provided with a first clamping hook (603) for engaging with the fixed plate (3), and the first clamping hook (603) is two in number and is respectively arranged at positions close to both sides of the width of the elastic clamping block (601).

8. The anti-locking failure sliding door and window lock according to claim 7, characterized in that: A second hook (604) is provided between the first hooks (603) on both sides of the elastic hook block (601), and a third hook (204) is provided at a position of the sliding component (2) corresponding to the elastic hook block (601) for pressing the second hook (604) during the reciprocating movement of the sliding component (2), and the second hook (604) and the third hook (204) have inclined surfaces that fit each other.

9. The anti-locking failure sliding door and window lock according to claim 4, characterized in that: The shift fork slider (502) is provided with a transmission block (503) protruding in the direction of the sliding component (2), and the sliding component (2) is provided with a second transmission groove (205) aligned with the reciprocating direction of the sliding component (2) at a position corresponding to the transmission block (503).

10. The anti-locking failure sliding door and window lock according to claim 1, characterized in that: At least one connecting column (302) for connecting the sliding component (2) is provided along the length direction of the fixed plate (3), and a second strip-shaped sliding groove (206) is provided on the sliding component (2) at a position corresponding to the connecting column (302).

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