CN221031973U

CN221031973U - Locking device

Info

Publication number: CN221031973U
Application number: CN202323038700.3U
Authority: CN
Inventors: 李树鹏; 刘洋; 姚倚
Original assignee: Shenzhen Hopo Window Control Technology Co Ltd
Current assignee: Shenzhen Hopo Window Control Technology Co Ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-05-28
Anticipated expiration: 2033-11-09

Abstract

The utility model provides a locking device, which comprises a lock body and a lock seat, wherein the lock body comprises an outer shell, an operation assembly, a transmission assembly and a lock tongue assembly, the lock tongue assembly is arranged on the outer shell in a telescopic way, a first magnetic attraction piece is arranged in the lock tongue assembly, a second magnetic attraction piece is arranged in the lock seat and is used for being matched with the first magnetic attraction piece to suck the lock tongue assembly into the lock seat, the operation assembly is rotatably connected with the outer shell, one end of the transmission assembly is in transmission connection with the operation assembly, the other end of the transmission assembly is in transmission connection with the lock tongue assembly, the operation assembly is used for driving the transmission assembly to move in a telescopic direction perpendicular to the lock tongue assembly, and the transmission assembly is used for enabling the lock tongue assembly to withdraw from the lock seat. The locking device can be directly applied to the screen window, the screen window can be closed when being locked, and can be opened when being pulled, so that the steps of the opening and closing process of the screen window and the specific structure of the screen window locking device are simplified, the operation is convenient, and the cost is saved.

Description

Locking device

Technical Field

The utility model belongs to the technical field of door and window hardware, and particularly relates to a locking device.

Background

In door and window hardware systems, a screen lock is an important feature. The locking device is used for locking the frame and the fan of the screen window, and achieves the function of opening and closing the screen window. The window screening lock under the prior art needs manual opening and closing under the normal condition, and its transmission locking structure is complicated, and manufacturing cost is high.

Disclosure of utility model

The utility model aims to provide a locking device which is used for simplifying a locking structure of a screen window in a magnetic attraction mode, is convenient to operate and saves cost.

The utility model discloses a locking device, which comprises a lock body and a lock seat, wherein the lock body comprises an outer shell, an operation assembly, a transmission assembly and a lock tongue assembly, the lock tongue assembly is telescopically arranged in the outer shell, a first magnetic attraction piece is arranged in the lock tongue assembly, a second magnetic attraction piece is arranged in the lock seat and is used for being matched with the first magnetic attraction piece to suck the lock tongue assembly into the lock seat, the operation assembly is rotatably connected with the outer shell, one end of the transmission assembly is in transmission connection with the operation assembly, the other end of the transmission assembly is in transmission connection with the lock tongue assembly, the operation assembly is used for driving the transmission assembly to move in a telescopic direction perpendicular to the lock tongue assembly, and the transmission assembly is used for transmitting acting force exerted by the operation assembly to the lock tongue assembly to enable the lock tongue assembly to withdraw from the lock seat.

Further, the rotation center shaft of the operation assembly is parallel to the telescopic direction of the lock tongue assembly, and the operation assembly can rotate until the operation assembly is completely placed in the outer shell.

Further, a gear is arranged on the operation assembly, and a rack meshed with the gear is arranged at one end of the transmission assembly; the other end of the transmission component is provided with a first inclined surface inclined to the extending direction of the spring bolt component, and the spring bolt component is provided with a second inclined surface in matched contact with the first inclined surface.

Further, the spring bolt subassembly includes spring bolt slide, spring bolt box, flexible elastic component and first magnetism is inhaled the piece, first magnetism is inhaled the piece and is fixed in the spring bolt box, the spring bolt box cover is located on the spring bolt slide, flexible elastic component's both ends are supported respectively first magnetism is inhaled the piece and the spring bolt slide, spring bolt slide sliding connection in the shell body, the spring bolt box can inhale the lock seat.

Further, the latch bolt assembly further comprises a transmission elastic piece, one end of the transmission elastic piece is connected to the outer shell, the other end of the transmission elastic piece is connected to the latch bolt sliding seat, and the transmission elastic piece is used for applying acting force for enabling the latch bolt assembly to withdraw from the latch bolt seat to the latch bolt assembly.

Further, the bolt sliding seat is provided with a transmission contact plate and a sliding block, the second inclined surface is arranged on the transmission contact plate, and a sliding rail for sliding the sliding block is arranged in the outer shell.

Further, the locking device further comprises a transmission auxiliary assembly, the transmission auxiliary assembly comprises a top block and a top block elastic piece, the top block is fixed on the outer shell, one end of the top block elastic piece abuts against the top block, and the other end of the top block elastic piece abuts against the transmission assembly.

Further, the locking device further comprises a safety component, the safety component comprises a knob seat, a knob and a first safety piece, the first safety piece is fixed on the knob, the knob is rotatably connected with the knob seat, the knob seat is fixed on the outer shell, one end of the operation component is rotatably connected with the outer shell, and the other end of the operation component is provided with a second safety piece matched with the first safety piece to limit transmission of the operation component.

The utility model has the beneficial effects that:

The locking device of this scheme not only can realize the control of returning back to spring bolt subassembly when rotatory operating unit through with operating unit and shell body swivelling joint, can realize the push-and-pull control to door and window again. The first magnetic attraction piece and the second magnetic attraction piece are matched for use, so that after the door and window are closed, the lock tongue assembly is automatically sucked into the lock seat to lock the door and window. The locking device can be directly applied to the screen window, the screen window can be closed when being locked, and can be opened when being pulled, so that the steps of the opening and closing process of the screen window and the specific structure of the screen window locking device are simplified, the operation is convenient, and the cost is saved.

Drawings

FIG. 1 is a schematic view of a lock body of a locking device;

FIG. 2 is a cross-sectional view of the lock body of the locking device;

FIG. 3 is an exploded view of the lock body of the locking device;

FIG. 4 is a cross-sectional view of the latch bolt assembly;

Fig. 5 is a schematic structural view of a latch slide.

Reference numerals illustrate:

10. An outer housing; 11. a spring bolt mounting seat; 111. a through groove; 20. an operating assembly; 21. a gear; 22. a second safety member; 30. a transmission assembly; 31. a rack; 32. a first inclined surface; 40. a latch bolt assembly; 41. a bolt slide seat; 411. a slide block; 412. a drive contact plate; 4121. a second inclined surface; 42. a tongue box; 43. a telescopic elastic member; 44. a first magnetic attraction member; 45. a transmission elastic member; 50. a transmission auxiliary assembly; 51. a top block; 52. a top block elastic member; 60. a safety component; 61. a knob seat; 62. a knob; 63. a first fuse.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., are based on those shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two parts. The specific meaning of the terms in the present utility model will be understood by those of ordinary skill in the art in specific detail.

Referring to fig. 1-3, the present utility model discloses a locking device, which comprises a lock body and a lock seat (not shown), wherein the lock body comprises an outer shell 10, an operating component 20, a transmission component 30 and a lock tongue component 40, the lock tongue component 40 is slidably connected to the outer shell 10 along the telescopic direction of the lock tongue component 40, a first magnetic attraction piece 44 is arranged in the lock tongue component 40, a second magnetic attraction piece is arranged in the lock seat and is used for being matched with the first magnetic attraction piece 44 to suck the lock tongue component 40 into the lock seat, the operating component 20 is rotatably connected to the outer shell 10, one end of the transmission component 30 is in transmission connection with the operating component 20, the other end of the transmission component 30 is in transmission connection with the lock tongue component 40, the operating component 20 is used for rotationally driving the transmission component 30 to move in the telescopic direction perpendicular to the lock tongue component 40, and the transmission component 30 is used for transmitting the acting force exerted by the operating component 20 to the lock tongue component 40 to enable the lock tongue component 40 to withdraw from the lock seat.

The locking device of the scheme can realize the withdrawal control of the lock bolt assembly 40 and the push-pull control of doors and windows when the operating assembly 20 is rotated by rotatably connecting the operating assembly 20 with the outer shell 10. The use of first magnetic attraction 44 in combination with the second magnetic attraction allows locking bolt assembly 40 to be automatically drawn into the lock housing after the door and window is closed to effect locking of the door and window. The locking device can be directly applied to the screen window, the screen window can be closed when being locked, and can be opened when being pulled, so that the steps of the opening and closing process of the screen window and the specific structure of the screen window locking device are simplified, the operation is convenient, and the cost is saved.

Specifically, the rotation center axis of the operating component 20 is parallel to the extension direction of the locking bolt component 40, and the operating component includes a closed state and an open state, and in the closed state, after the operating component 20 is screwed into the outer casing 10, the operating component 20 can be completely contained in the outer casing 10, and the operating component 20 does not protrude from the surface of the outer casing 10, so as to hide the operating component 20. In the open position, operating assembly 20 is rotated out of outer housing 10 to move drive assembly 30 in a telescoping direction perpendicular to locking bolt assembly 40.

Specifically, the operating component 20 is provided with a gear 21, and one end of the transmission component 30 is provided with a rack 31 meshed with the gear 21; the other end of drive assembly 30 is provided with a first angled surface 32 that is angled relative to the direction of extension of locking bolt assembly 40. Locking bolt assembly 40 is provided with a second angled surface 4121 that is in mating contact with first angled surface 32. The rotation of gear 21 may drive the linear motion of rack 31, and the linear motion of rack 31 drives the linear motion of first inclined surface 32, and first inclined surface 32 presses second inclined surface 4121, so as to retract into outer housing 10 in the telescopic direction of locking bolt assembly 40.

Referring further to fig. 4-5, the latch bolt assembly 40 includes a latch bolt slide 41, a latch bolt box 42, a telescopic elastic member 43 and a first magnetic attraction member 44, the first magnetic attraction member 44 is fixed in the latch bolt box 42, the latch bolt box 42 is sleeved on the latch bolt slide 41, two ends of the telescopic elastic member 43 respectively support the first magnetic attraction member 44 and the latch bolt slide 41, the latch bolt slide 41 is slidably connected to the outer housing 10, and the latch bolt box 42 can inhale the latch seat. The telescopic elastic piece is arranged in the lock tongue box 42, so that the lock tongue box 42 can be conveniently extruded when the outer shell 10 is installed in a window sash, and the locking device can be conveniently placed in the window sash.

Further, locking bolt assembly 40 further includes a driving spring 45, one end of driving spring 45 is connected to outer housing 10, the other end of driving spring 45 is connected to locking bolt slide 41, and driving spring 45 is used for applying a force to locking bolt assembly 40 to withdraw locking bolt assembly 40 from the lock seat.

The first magnetic attraction member 44 is a magnet block or a metal block, and the second magnetic attraction member is a metal block or a magnet block that can magnetically attract the first magnetic attraction member 44. The elasticity of the transmission elastic piece 45 is larger than the magnetic attraction between the first magnetic attraction piece 44 and the second magnetic attraction piece before the door and window is closed, and is smaller than the magnetic attraction between the first magnetic attraction piece 44 and the second magnetic attraction piece when the door and window is closed, so that the second magnetic attraction piece can not suck out the first magnetic attraction piece 44 before the door and window is closed. Meanwhile, the transmission elastic piece 45 can limit the lock tongue assembly 40 in the outer shell 10 after the lock tongue assembly 40 is withdrawn from the lock seat by the operation assembly 20, so that the normal opening and closing of the door and the window can not be influenced.

Specifically, a latch bolt mounting seat 11 is disposed in the outer casing 10, a through groove 111 for facilitating sliding of the latch bolt assembly 40 is disposed on the latch bolt mounting seat 11, guide rails are disposed on top and bottom surfaces of the through groove 111, and a slider 411 on the latch bolt sliding seat 41 slides in the guide rails to limit the telescopic direction of the latch bolt assembly 40. The bolt slide 41 is provided with a transmission contact plate 412, the second inclined surface 4121 is arranged on the transmission contact plate 412, and when the first inclined surface 32 presses the second inclined surface 4121, the second inclined surface 4121 drives the bolt slide 41 to slide in the through groove 111. The transmission elastic piece 45 is a torsion spring, a torsion spring shaft for installing the torsion spring is arranged on the spring bolt installation seat 11, one end of the torsion spring is fixed on the spring bolt installation seat 11, and the other end of the torsion spring is fixed on the spring bolt sliding seat 41.

In this embodiment, the locking device further includes a transmission auxiliary assembly 50, the transmission auxiliary assembly 50 includes a top block 51 and a top block elastic member 52, the top block 51 is fixed to the outer housing 10, one end of the top block elastic member 52 abuts against the top block 51, and the other end of the top block elastic member 52 abuts against the transmission assembly 30. It will be appreciated that the drive assembly 30 is slidable within the outer housing 10, and the provision of the top block 51 and top block resilient member 52 facilitates limiting the sliding range of the drive assembly 30.

In this embodiment, the locking device further includes a safety component 60, the safety component 60 includes a knob seat 61, a knob 62 and a first safety member 63, the first safety member 63 is fixed on the knob 62, the knob 62 is rotatably connected to the knob seat 61, the knob seat 61 is fixed on the outer housing 10, one end of the operating component 20 is rotatably connected with the outer housing 10, and the other end of the operating component 20 is provided with a second safety member 22 that cooperates with the first safety member 63 to limit the transmission of the operating component 20. Specifically, the first safety member 63 is a hook or a slot, and the second safety member 22 is a slot or a hook that can be engaged with the first safety member 63, and when the rotation of the operation assembly 20 needs to be limited, the first safety member 63 is rotated to be engaged with the second safety member 22.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a locking device, its characterized in that includes the lock body and lock seat, the lock body includes shell body, operating unit, drive assembly and spring bolt subassembly, spring bolt subassembly telescopic set up in the shell body, be equipped with first magnetism in the spring bolt subassembly and inhale the piece, be equipped with the second magnetism in the lock seat inhale the piece, the second magnetism inhale the piece be used for with first magnetism inhale the piece cooperation with spring bolt subassembly inhale in the lock seat, operating unit swivelling joint in the shell body, one end of drive assembly with operating unit transmission is connected, the other end of drive assembly with spring bolt subassembly transmission is connected, operating unit is used for driving drive assembly is perpendicular to spring bolt subassembly's flexible direction removes, drive assembly is used for with the effort that operating unit applyed is transmitted to spring bolt subassembly makes spring bolt subassembly withdrawal lock seat.

2. A locking device as recited in claim 1, wherein a central axis of rotation of the operating assembly is disposed parallel to a direction of retraction of the latch assembly, the operating assembly being rotatable until the operating assembly is fully disposed within the outer housing.

3. A locking device according to claim 1, wherein a gear is provided on the operating assembly, and a rack engaged with the gear is provided at one end of the transmission assembly; the other end of the transmission component is provided with a first inclined surface inclined to the extending direction of the spring bolt component, and the spring bolt component is provided with a second inclined surface in matched contact with the first inclined surface.

4. The locking device of claim 3, wherein the locking bolt assembly comprises a locking bolt sliding seat, a locking bolt box, a telescopic elastic piece and the first magnetic attraction piece, the first magnetic attraction piece is fixed in the locking bolt box, the locking bolt box is sleeved on the locking bolt sliding seat, two ends of the telescopic elastic piece respectively support against the first magnetic attraction piece and the locking bolt sliding seat, the locking bolt sliding seat is slidably connected with the outer shell, and the locking bolt box can be sucked into the locking seat.

5. The locking device of claim 4, wherein the latch assembly further comprises a drive spring having one end connected to the outer housing and the other end connected to the latch slide, the drive spring being configured to apply a force to the latch assembly to withdraw the latch assembly from the latch seat.

6. The locking device according to claim 4, wherein the latch slide is provided with a transmission contact plate and a slide block, the second inclined surface is provided on the transmission contact plate, and a slide rail for sliding the slide block is provided in the outer housing.

7. A locking device as claimed in claim 1, further comprising a transmission aid assembly comprising a top block secured to the outer housing and a top block spring having one end abutting the top block and the other end abutting the transmission assembly.

8. A locking device as claimed in claim 1, further comprising a safety assembly comprising a knob seat, a knob and a first safety member, the first safety member being secured to the knob, the knob being rotatably connected to the knob seat, the knob seat being secured to the outer housing, one end of the operating assembly being rotatably connected to the outer housing, the other end of the operating assembly being provided with a second safety member cooperating with the first safety member to limit transmission of the operating assembly.