CN221194611U

CN221194611U - Self-locking device for sliding door and window

Info

Publication number: CN221194611U
Application number: CN202323139414.6U
Authority: CN
Inventors: 胡定一
Original assignee: Ningbo Ruichi Technology Co ltd
Current assignee: Ningbo Ruichi Technology Co ltd
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-06-21
Anticipated expiration: 2033-11-21

Abstract

The utility model provides a self-locking device for a sliding door or window, which comprises a lock body, a lock hook member and an elastic member, wherein the lock hook member is arranged in the lock body in a swinging way, the elastic member is arranged in the lock body, a lock hook part is arranged on the lock hook member in a protruding way, the lock hook part extends to the outside of the lock body, a waist-shaped groove for the lock hook part to pass through and swing is arranged on the lock body, and the elastic member is used for resetting after the lock hook member swings; the bottom of the outer side end of the latch hook part is provided with an inclined driving surface, and the inner side of the inclined driving surface is provided with a hook groove; when the device is used, the external collision block slides towards the lock hook part, the lock hook part swings under the action of the inclined driving surface, and after the lock hook part resets, the collision block is clamped into the hook groove; the self-locking device for the sliding door and window provided by the utility model can automatically complete locking when the door and window is closed, the locking operation is simpler and more convenient, and the use safety is higher.

Description

Self-locking device for sliding door and window

Technical Field

The utility model relates to the field of locking devices of sliding doors and windows, in particular to a self-locking device for a sliding door or window.

Background

The door and window is a common wing structure on a building, and is usually used as a room access passage and a ventilation lighting port of the building. With the development of modern building technology and the improvement of user requirements, people continuously improve the door and window structure, the sliding door and window is increasingly widely applied, and the crescent lock is a common component for operating locking and unlocking of the sliding door and window.

As disclosed in patent No. CN213509996U, a crescent lock is provided, which makes a crescent hook and a fastener rotate synchronously by rotating a handle, so as to realize opening or closing of a door or window. In the structure, when the door and window is unlocked and unlocked, the handle is required to be turned to realize the operation, so that the operation is complicated and inconvenient; moreover, the door and window can be closed but forget to lock, so that the phenomenon that the door and window is scraped by wind to wet indoor articles can occur in rainy days, and the door and window is not locked to cause the theft of the indoor articles, so that the practicability is lower and the safety is poor.

Disclosure of utility model

First, the technical problem to be solved

The utility model aims to solve the problem of providing a self-locking device for a sliding door or window, which can automatically complete locking when the door or window is closed, and has simpler locking operation and higher use safety.

(II) technical scheme

In order to solve the technical problems, the utility model provides a self-locking device for a sliding door and window, which comprises a lock body, a lock hook member arranged in the lock body in a swinging way and an elastic member arranged in the lock body, wherein the lock hook member is convexly provided with a lock hook part, the lock hook part extends to the outside of the lock body, the lock body is provided with a waist-shaped groove for the lock hook part to pass through and swing, and the elastic member is used for resetting after the lock hook member swings; the bottom of the outer side end of the latch hook part is provided with an inclined driving surface, and the inner side of the inclined driving surface is provided with a hook groove; when the device is used, the external collision block slides towards the lock hook part, the lock hook part swings under the action of the inclined driving surface, and after the lock hook part resets, the collision block is clamped into the hook groove.

In some embodiments, the lock body is rotatably provided with a rotating shaft, the lock hook member comprises an annular sleeve sleeved on the rotating shaft, the annular sleeve is fixedly connected with the rotating shaft, and the lock hook part is fixed on the outer circumferential wall of the annular sleeve.

In some embodiments, the elastic element is a double torsion spring, the double torsion spring comprises a first spring body and a second spring body sleeved on the rotating shaft, and a U-shaped part connected between the first spring body and the second spring body, the first spring body and the second spring body are respectively positioned at two sides of the annular sleeve, and the U-shaped part is propped against the joint of the annular sleeve and the latch hook part. The connecting part of the lock hook part and the annular sleeve is concavely provided with a limit groove, and the U-shaped part is arranged in the limit groove. The first spring body and the second spring body are provided with a supporting rod at one end far away from the U-shaped part, the outer side end of the supporting rod is bent to form a U-shaped abutting part, and the U-shaped abutting part abuts against the inner wall of the lock body.

In some embodiments, an unlocking wrench is rotatably installed outside the lock body, and the unlocking wrench is in driving connection with the rotating shaft through a connecting rod; when the unlocking is performed, the unlocking wrench is rotated, and the rotating shaft drives the locking hook part to swing, so that the collision block is separated from the hook groove.

In some embodiments, a guide block is disposed on the outer circumferential wall of the annular sleeve at a side far from the latch hook portion, and a guide groove adapted to the guide block is disposed in the lock body.

In some embodiments, the annular sleeve is fixedly connected with the rotating shaft through a fastening screw, and the annular sleeve, the latch hook part and the guide block are of an integrated structure. The hook groove is 7-shaped, and one end of the hook groove, which is close to the inclined driving surface, is provided with a vertical stop surface.

(III) beneficial effects

The self-locking device for the sliding door and window provided by the utility model is matched with the lock hook member, the double torsion spring and the unlocking spanner, when the door and window is closed, the external collision block moves towards the lock hook member, when the collision block is abutted against the inclined driving surface, the inclined driving surface can enable the lock hook part to swing, then the collision block continues to move to the inner side of the inclined driving surface, and under the action of the double torsion spring, the lock hook part is reset to enable the collision block to be clamped in the hook groove; when unlocking, only the unlocking wrench is required to rotate, and the unlocking wrench is linked with the locking hook part to swing so as to separate the collision block from the hook groove; the door and window locking device automatically completes locking when the door and window are closed, the locking operation is simpler and more convenient, and the use safety is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a self-locking device for a sliding door and window according to the present utility model;

FIG. 2 is a perspective view of the bottom view of a self-locking device for sliding doors and windows according to the present utility model;

FIG. 3 is a schematic top view of a self-locking device for sliding doors and windows according to the present utility model;

FIG. 4 is an exploded view of a self-locking device for sliding doors and windows according to the present utility model;

FIG. 5 is a perspective view of the self-locking device for sliding doors and windows of the present utility model with the lock body removed;

FIG. 6 is a perspective view of another view of the self-locking device for sliding doors and windows of the present utility model with the lock body removed;

FIG. 7 is a schematic illustration of the self-locking device of the present utility model in use;

The corresponding component names for each reference number in the figures are: 1. a lock body; 101. a waist-shaped groove; 102. a guide groove; 2. a latch hook member; 21. a latch hook part; 22. an annular sleeve; 23. a guide block; 211. a bevel drive surface; 212. a hook groove; 213. a limit groove; 214. a vertical stop surface; 3. an elastic member; 301. a first spring body; 302. a second spring body; 303. a U-shaped portion; 304. a support rod; 305. a U-shaped abutting part; 4. a bump; 5. a rotating shaft; 6. unlocking a wrench; 7. a connecting rod; 8. and (5) fastening a screw.

Detailed Description

The application will now be described in detail with reference to the drawings and to specific embodiments.

Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, apparatus may be implemented and/or methods practiced using any number and aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details.

The following describes the technical scheme provided by each embodiment of the present application with reference to the accompanying drawings.

Referring to fig. 1 to 7, the present utility model provides a self-locking device for sliding doors and windows, comprising a lock body 1, a latch hook member 2 swingably installed in the lock body 1, and an elastic member 3 installed in the lock body 1, wherein a latch hook portion 21 is convexly disposed on the latch hook member 2, and the latch hook portion 21 is used for being clamped with an external striker 4. The lock hook part 21 extends to the outside of the lock body 1, a waist-shaped groove 101 for the lock hook part 21 to pass through and swing is arranged on the lock body 1, and the elastic piece 3 is used for resetting after the lock hook piece 2 swings; normally, the latch hook portion 21 is located at the lower portion of the waist-shaped groove 101 under the urging force of the elastic member 3. The latch hook portion 21 is provided with an inclined driving surface 211 at the bottom position of the outer end, and the latch hook portion 21 is provided with a hook groove 212 at the inner position of the inclined driving surface 211.

Referring to fig. 7, when in use, the external striker 4 is mounted on one door and window, the self-locking device is mounted on the other door and window, when the door and window is closed, the external striker 4 slides towards the latch hook portion 21, and after the striker 4 is abutted against the inclined driving surface 211, the latch hook portion 21 swings towards the upper side against the elastic force of the elastic member 3 under the action of the inclined driving surface 211; the collision block 4 continues to move to the inner side of the inclined driving surface 211, and the latch hook part 21 resets under the elastic force of the elastic piece 3, at this time, the collision block 4 is clamped into the hook groove 212, and the automatic locking process is completed. When the door and window are closed, automatic locking of the door and window can be realized, the locking operation is simpler, the situation that the door and window are closed but the locking is forgotten can not occur, the practicability is higher, and the safety is higher.

In some embodiments, as shown in fig. 2, 4 and 6, the rotary shaft 5 is rotatably installed in the lock body 1, the latch hook member 2 includes an annular sleeve 22 sleeved on the rotary shaft 5, the annular sleeve 22 is fixedly connected with the rotary shaft 5, and the latch hook portion 21 is fixed on an outer circumferential wall of the annular sleeve 22. The annular sleeve 22 is fixedly connected with the rotating shaft 5 through the fastening screw 8, a groove is formed in the rotating shaft 5, the fastening screw 8 is in threaded connection with the annular sleeve 22, and the end part of the fastening screw 8 penetrates through the annular sleeve 22 and is propped against the bottom of the groove.

In some embodiments, as shown in fig. 4 to 6, the elastic member 3 is a double torsion spring, the double torsion spring includes a first spring body 301 and a second spring body 302 sleeved on the rotating shaft 5, and a U-shaped portion 303 connected between the first spring body 301 and the second spring body 302, the first spring body 301 and the second spring body 302 have the same structure, the first spring body 301 and the second spring body 302 are respectively located at two sides of the annular sleeve 22, and the U-shaped portion 303 abuts against a connection portion between the annular sleeve 22 and the latch hook portion 21. In order to prevent the torsion spring from shifting, a limiting groove 213 is concavely formed at the connection of the latch hook portion 21 and the annular sleeve 22, and the U-shaped portion 303 is disposed in the limiting groove 213. The first spring body 301 and the second spring body 302 are provided with a supporting rod 304 at one end far away from the U-shaped part 303, the outer side end of the supporting rod 304 is bent to form a U-shaped abutting part 305, and the U-shaped abutting part 305 abuts against the inner wall of the lock body 1; in this way, the contact area between the support rod 304 and the lock body 1 can be increased, and the use is more stable and reliable.

In a preferred embodiment, as shown in fig. 4 and 5, an unlocking wrench 6 is rotatably installed on the outside of the lock body 1, the unlocking wrench 6 is in driving connection with the rotating shaft 5 through a connecting rod 7, and the connecting rod 7 is sleeved in the rotating shaft 5 and fixedly connected with the rotating shaft 5. When unlocking, the unlocking wrench 6 is rotated, the unlocking wrench 6 drives the rotating shaft 5 to rotate through the connecting rod 7, and the rotating shaft 5 drives the locking hook part 21 to swing, so that the collision block 4 is separated from the hook groove 212, and the operation is simple.

In a preferred embodiment, as shown in fig. 2 and 3, a guide block 23 is provided on the outer circumferential wall of the annular sleeve 22 at a side away from the latch hook portion 21, and a guide groove 102 adapted to the guide block 23 is provided in the lock body 1. Wherein the annular sleeve 22, the latch hook part 21 and the guide block 23 are of an integrated structure.

In a preferred embodiment, as shown in fig. 6 and 7, the hook slot 212 is in a shape of "7", and a vertical stop surface 214 is disposed at one end of the hook slot 212 near the inclined driving surface 211, and the vertical stop surface 214 can prevent the striker from being separated after locking, so that the use effect is better.

The same and similar parts of the embodiments in this specification are all referred to each other, and each embodiment focuses on the differences from the other embodiments.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims

1. A self-locking device for sliding door, its characterized in that: the novel lock comprises a lock body (1), a lock hook member (2) capable of swinging and installed in the lock body (1) and an elastic member (3) installed in the lock body (1), wherein a lock hook portion (21) is arranged on the lock hook member (2) in a protruding mode, the lock hook portion (21) extends to the outside of the lock body (1), a waist-shaped groove (101) for the lock hook portion (21) to penetrate and swing is formed in the lock body (1), and the elastic member (3) is used for resetting after the lock hook member (2) swings; the lock hook part (21) is provided with an inclined driving surface (211) at the bottom of the outer side end, and a hook groove (212) is arranged at the inner side of the inclined driving surface (211); when the device is used, the external collision block (4) slides towards the lock hook part (21), the lock hook part (21) swings under the action of the inclined driving surface (211), and after the lock hook part (21) is reset, the collision block (4) is clamped into the hook groove (212).

2. The self-locking device for sliding doors and windows according to claim 1, wherein: the lock is characterized in that a rotating shaft (5) is rotatably arranged in the lock body (1), the lock hook member (2) comprises an annular sleeve (22) sleeved on the rotating shaft (5), the annular sleeve (22) is fixedly connected with the rotating shaft (5), and the lock hook portion (21) is fixed on the outer circumferential wall of the annular sleeve (22).

3. The self-locking device for sliding doors and windows according to claim 2, wherein: the elastic piece (3) is a double torsion spring, the double torsion spring comprises a first spring body (301) and a second spring body (302) which are sleeved on the rotating shaft (5) and a U-shaped part (303) connected between the first spring body (301) and the second spring body (302), the first spring body (301) and the second spring body (302) are respectively positioned at two sides of the annular sleeve (22), and the U-shaped part (303) is propped against the joint of the annular sleeve (22) and the latch hook part (21).

4. A self-locking device for sliding doors and windows as claimed in claim 3, wherein: the connecting part of the lock hook part (21) and the annular sleeve (22) is concavely provided with a limit groove (213), and the U-shaped part (303) is arranged in the limit groove (213).

5. A self-locking device for sliding doors and windows as claimed in claim 3, wherein: the lock is characterized in that a support rod (304) is arranged at one end, far away from the U-shaped part (303), of the first spring body (301) and the second spring body (302), a U-shaped abutting part (305) is formed by bending the outer side end of the support rod (304), and the U-shaped abutting part (305) abuts against the inner wall of the lock body (1).

6. The self-locking device for sliding doors and windows according to claim 2, wherein: an unlocking wrench (6) is rotatably arranged outside the lock body (1), and the unlocking wrench (6) is in driving connection with the rotating shaft (5) through a connecting rod (7); when the unlocking is performed, the unlocking wrench (6) is rotated, and the rotating shaft (5) drives the locking hook part (21) to swing, so that the collision block (4) is separated from the hook groove (212).

7. The self-locking device for sliding doors and windows according to claim 2, wherein: the lock is characterized in that a guide block (23) is arranged on the outer circumferential wall of the annular sleeve (22) at one side far away from the lock hook part (21), and a guide groove (102) matched with the guide block (23) is arranged in the lock body (1).

8. The self-locking device for sliding doors and windows of claim 7, wherein: the annular sleeve (22) is fixedly connected with the rotating shaft (5) through a fastening screw (8), and the annular sleeve (22), the locking hook part (21) and the guide block (23) are of an integrated structure.

9. The self-locking device for sliding doors and windows according to claim 1, wherein: the hook groove (212) is 7-shaped, and one end of the hook groove (212) close to the inclined driving surface (211) is provided with a vertical stop surface (214).