CN215443568U - Self-locking device for sliding door - Google Patents
Self-locking device for sliding door Download PDFInfo
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- CN215443568U CN215443568U CN202121298920.8U CN202121298920U CN215443568U CN 215443568 U CN215443568 U CN 215443568U CN 202121298920 U CN202121298920 U CN 202121298920U CN 215443568 U CN215443568 U CN 215443568U
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- door frame
- sliding
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Abstract
The utility model discloses a self-locking device for a sliding door, which comprises a sliding door connecting piece, a buckling lock head, a door frame mounting connecting seat, a pushing spring, a buckling piece, a bidirectional transmission piece, a connecting rod, a fixing frame and an unlocking driving assembly, wherein the sliding door connecting piece is arranged on the sliding door, the buckling lock head is arranged on the sliding door connecting piece, the door frame mounting connecting seat is arranged on the door frame, a clamping groove is formed in the door frame mounting connecting seat, the buckling lock head is clamped in the clamping groove, the buckling piece penetrates through the side wall of the door frame mounting connecting seat in a sliding mode and extends into the clamping groove, a buckling groove is formed in the buckling lock head, and the buckling piece is clamped in the buckling groove. The utility model relates to the technical field of sliding doors, and particularly provides a self-locking device for a sliding door.
Description
Technical Field
The utility model relates to the technical field of sliding doors, in particular to a self-locking device for a sliding door.
Background
The sliding door closing and locking device appearing on the market at present is complex in structure, easy to generate false locking phenomenon, and meanwhile, the phenomena of response lag, untimely response and the like can also appear when the sliding door is opened, so that potential safety hazards are brought to the use of the sliding door.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the present invention provides a self-locking device for a sliding door, which overcomes the drawbacks of the prior art.
The technical scheme adopted by the utility model is as follows: the utility model relates to a self-locking device for a sliding door, which comprises a sliding door connecting sheet, a buckling lock head, a door frame mounting connecting seat, a pushing spring, a buckling piece, a bidirectional transmission piece, a connecting rod, a fixing frame and an unlocking driving component, wherein the sliding door connecting sheet is arranged on the sliding door, the buckling lock head is arranged on the sliding door connecting sheet, the door frame mounting connecting seat is arranged on a door frame, the door frame mounting connecting seat is provided with a clamping groove, the buckling lock head is clamped in the clamping groove, the buckling piece penetrates through the side wall of the door frame mounting connecting seat and extends into the clamping groove in a sliding manner, the buckling lock head is provided with a buckling groove, the buckling piece is clamped in the buckling groove, the pushing spring is arranged on the side wall of the door frame mounting connecting seat and is arranged on the buckling piece, the middle part of the bidirectional transmission piece is rotatably arranged in the door frame mounting connecting seat, the buckling piece is arranged in the sliding groove, one end of the bidirectional transmission piece is rotatably and slidably arranged in the sliding groove, the fixed frame is arranged in the door frame mounting and connecting seat, the unlocking driving assembly is arranged in the fixed frame, and two ends of the connecting rod are respectively hinged to the other end of the bidirectional driving piece and the unlocking driving assembly.
Furthermore, the pushing spring, the buckling piece, the bidirectional transmission piece and the connecting rods are symmetrically arranged, and two sides of the unlocking driving assembly are respectively connected with the two groups of connecting rods.
Further, the unlocking driving component comprises a moving seat, a second spring, a fixed shaft, a first limiting sleeve joint part, a second limiting sleeve joint part and a handle, the moving seat is slidably arranged in the fixed frame, a cross-shaped sliding groove is arranged on the moving seat, the fixed shaft is arranged on the door frame mounting and connecting seat and is slidably arranged on the horizontal section of the cross-shaped sliding groove, the second spring is arranged at one end of the fixed frame and on the movable seat, the first limit socket piece and the second limit socket piece are respectively rotatably and socket-jointed on the fixed shaft, the movable ends of the first limiting sleeve joint part and the second limiting sleeve joint part are both provided with connecting shafts, the connecting shafts on the first limiting sleeve joint part and the second limiting sleeve joint part are respectively arranged on two vertical sections of the cross sliding groove in a sliding manner, the two groups of connecting shafts are respectively hinged with the two groups of connecting rods, the handle is arranged on the moving seat and penetrates through the door frame installation connecting seat to extend to the outer side of the door frame installation connecting seat.
Furthermore, a first spring is arranged in the clamping groove and is in contact connection with the buckling lock head, when the sliding door is closed, the sliding door is pulled to enable the buckling lock head to slide into the clamping groove and to be in contact with the first spring, when the buckling lock head does not move in place and the buckling piece cannot be clamped into the buckling groove, if hands are loosened, the first spring stretches for a while to push the buckling lock head out of the clamping groove, and therefore the false locking phenomenon is avoided.
Furthermore, the free end of the lock head is arranged in an outward convex arc structure, the free end of the buckling piece is arranged in an inclined plane, and the inclined plane of the buckling piece faces towards the connecting piece direction of the sliding door.
The utility model with the structure has the following beneficial effects: when a user closes the sliding door, if the buckling lock head is not moved in place and is clamped with the buckling piece, the user loosens his hand, the spring stretches for a while to push the buckling lock head out of the clamping groove, so that the user is reminded, and the phenomenon of false locking is effectively avoided; the handle is pushed to slide and move the base, so that the buckling self-locking state between the buckling piece and the buckled lock head can be released, and meanwhile, the first spring pushes the buckled lock head out of the clamping groove, so that timely unlocking is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic overall structure view of a self-locking device for a sliding door according to the present invention;
fig. 2 is an enlarged view of a portion a of a self-locking device for a sliding door according to the present invention.
Wherein, 1, push-and-pull door connection piece, 2, lock tapered end, 3, door frame erection joint seat, 4, push the spring, 5, buckling piece, 6, two-way driving medium, 7, connecting rod, 8, fixed frame, 9, unblock drive assembly, 10, draw-in groove, 11, buckling groove, 12, remove the seat, 13, spring two, 14, fixed axle, 15, spacing cup joint piece one, 16, spacing cup joint piece two, 17, handle, 18, cross spout, 19, connecting axle, 20, spring one.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, the self-locking device for a sliding door of the present invention comprises a sliding door connecting plate 1, a fastening lock head 2, a door frame installation connecting seat 3, a pushing spring 4, a fastening member 5, a bidirectional transmission member 6, a connecting rod 7, a fixing frame 8 and an unlocking driving assembly 9, wherein the sliding door connecting plate 1 is arranged on the sliding door, the fastening lock head 2 is arranged on the sliding door connecting plate 1, the door frame installation connecting seat 3 is arranged on the door frame, the door frame installation connecting seat 3 is provided with a slot 10, the fastening lock head 2 is clamped in the slot 10, the fastening member 5 slidably extends into the slot 10 through the side wall of the door frame installation connecting seat 3, the fastening lock head 2 is provided with a fastening slot 11, the pushing spring 4 is arranged on the side wall of the door frame installation connecting seat 3 and arranged on the fastening member 5, the middle part of the bidirectional transmission member 6 is rotatably arranged in the door frame installation connecting seat 3, locate the sliding tray on the buckling piece 5, during 6 one end rotary sliding of two-way driving medium located the sliding tray, fixed frame 8 was located door frame erection joint seat 3, and unblock drive assembly 9 was located in fixed frame 8, and link 7 both ends are articulated respectively and are located the other end of two-way driving medium 6 and unblock drive assembly 9 on.
Wherein, the pushing spring 4, the buckling piece 5, the bidirectional transmission piece 6 and the connecting rods 7 are symmetrically arranged, and two sides of the unlocking driving component 9 are respectively connected with the two groups of connecting rods 7; the unlocking driving component 9 comprises a moving seat 12, a second spring 13, a fixed shaft 14, a first limiting sleeve piece 15, a second limiting sleeve piece 16 and a handle 17, the moving seat 12 is slidably arranged in the fixed frame 8, a cross sliding groove 18 is formed in the moving seat 12, the fixed shaft 14 is arranged on the door frame installation and connection seat 3 and is slidably arranged in a horizontal section of the cross sliding groove 18, the second spring 13 is arranged at one end of the fixed frame 8 and is arranged on the moving seat 12, the first limiting sleeve piece 15 and the second limiting sleeve piece 16 are respectively rotatably sleeved on the fixed shaft 14, connecting shafts 19 are respectively arranged at the movable ends of the first limiting sleeve piece 15 and the second limiting sleeve piece 16, the connecting shafts 19 on the first limiting sleeve piece 15 and the second limiting sleeve piece 16 are respectively slidably arranged in two vertical sections of the cross sliding groove 18, the two groups of connecting shafts 19 are respectively hinged with the two groups of connecting rods 7, and the handle 17 is arranged on the moving seat 12 and extends to the outer side of the door frame installation and connection seat 3 through the door frame installation and connection seat 3; a first spring 20 is arranged in the clamping groove 10, and the first spring 20 is in contact connection with the buckled lock head 2; the free end of lock tapered end 2 is evagination arc structure setting, and the free end of buckling piece 5 is the inclined plane setting, and the inclined plane of buckling piece 5 is towards push-and-pull door connection piece 1 direction.
When in use, when a person closes the sliding door, the person pulls the sliding door to enable the buckled lock head 2 to slide into the clamping groove 10 and contact with the first spring 20, and the buckling piece 5 is pushed to slide into the doorframe installation connecting seat 3 through the buckling lock head 2 to compress the pushing spring 4, the buckling lock head 2 continues to compress the first spring 20, the buckling groove 11 is moved to be opposite to the buckling piece 5, the buckling piece 5 is pushed out and clamped into the buckling groove 11 under the action of the pushing spring 4 to realize self-locking, when the unlocking is needed, the handle 17 is slid towards one side far away from the clamping groove 10, the handle 17 drives the moving seat 12 to move the compression spring II 13, the moving seat 12 moves to drive the limiting sleeve joint piece I15 and the limiting sleeve joint piece II 16 to rotate around the fixed shaft 14 through the cross sliding groove 18 to be far away from the buckled lock head 2, the connecting rod 7 pulls the bidirectional transmission piece 6 to swing so as to pull the buckling piece 5 out of the buckling groove 11, the self-locking state is released, and the first spring 20 pushes the buckled lock head 2 out of the clamping groove 10.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a self-locking device for push-and-pull door which characterized in that: the device comprises a sliding door connecting sheet, a buckling lock head, a door frame mounting connecting seat, a pushing spring, a buckling piece, a bidirectional transmission piece, a connecting rod, a fixing frame and an unlocking driving component, wherein the sliding door connecting sheet is arranged on the sliding door, the buckling lock head is arranged on the sliding door connecting sheet, the door frame mounting connecting seat is arranged on a door frame, a clamping groove is arranged on the door frame mounting connecting seat, the buckling lock head is clamped in the clamping groove, the buckling piece penetrates through the side wall of the door frame mounting connecting seat in a sliding manner and extends into the clamping groove, a buckling groove is arranged on the buckling lock head, the buckling piece is clamped in the buckling groove, the pushing spring is arranged on the side wall of the door frame mounting connecting seat and is arranged on the buckling piece, the middle part of the bidirectional transmission piece is rotatably arranged in the door frame mounting connecting seat, a sliding groove is arranged on the buckling piece, and one end of the bidirectional transmission piece is rotatably arranged in the sliding groove in a sliding manner, the fixed frame is arranged in the door frame mounting and connecting seat, the unlocking driving assembly is arranged in the fixed frame, and two ends of the connecting rod are respectively hinged to the other end of the bidirectional driving piece and the unlocking driving assembly.
2. A self-locking device for sliding doors according to claim 1, characterised in that: the pushing spring, the buckling piece, the bidirectional transmission piece and the connecting rods are symmetrically arranged, and two sides of the unlocking driving assembly are respectively connected with the two groups of connecting rods.
3. A self-locking device for sliding doors according to claim 2, characterised in that: unblock drive assembly is including removing seat, spring two, fixed axle, spacing cup joint one and spacing cup joint two and handle, it slides and locates in the fixed frame to remove the seat, be equipped with the cross spout on removing the seat, the fixed axle is located door frame erection joint seat and is slided the horizontal segment of locating the cross spout, spring two is located fixed frame one end and is located on removing the seat, spacing cup joint one rotates respectively with spacing cup joint two and cup joints and locate on the fixed axle, spacing cup joint one and spacing cup joint two expansion ends and all be equipped with the connecting axle, spacing cup joint one and spacing cup joint two on the connecting axle slides respectively and locates two vertical sections of cross spout, two sets of on the connecting axle is articulated with two sets of connecting rods respectively, the handle is located on removing the seat and is run through the door frame erection joint seat and is extended to the door frame erection joint seat outside.
4. A self-locking device for sliding doors according to claim 1, characterised in that: a first spring is arranged in the clamping groove and is in contact connection with the buckled lock head.
5. The self-locking device for sliding doors according to claim 4, wherein: the free end of the buckling lock head is arranged in an outward convex arc structure, the free end of the buckling piece is arranged in an inclined plane, and the inclined plane of the buckling piece faces the connecting piece direction of the sliding door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121298920.8U CN215443568U (en) | 2021-06-10 | 2021-06-10 | Self-locking device for sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121298920.8U CN215443568U (en) | 2021-06-10 | 2021-06-10 | Self-locking device for sliding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215443568U true CN215443568U (en) | 2022-01-07 |
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ID=79710648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121298920.8U Active CN215443568U (en) | 2021-06-10 | 2021-06-10 | Self-locking device for sliding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215443568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115119446A (en) * | 2022-07-20 | 2022-09-27 | 深圳市瀚达美电子有限公司 | Double-screen backlight source convenient to disassemble and assemble |
| CN115419053A (en) * | 2022-09-14 | 2022-12-02 | 中铁隧道局集团路桥工程有限公司 | Occlusive pile structure of complex stratum below river channel and construction method of occlusive pile structure |
-
2021
- 2021-06-10 CN CN202121298920.8U patent/CN215443568U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115119446A (en) * | 2022-07-20 | 2022-09-27 | 深圳市瀚达美电子有限公司 | Double-screen backlight source convenient to disassemble and assemble |
| CN115419053A (en) * | 2022-09-14 | 2022-12-02 | 中铁隧道局集团路桥工程有限公司 | Occlusive pile structure of complex stratum below river channel and construction method of occlusive pile structure |
| CN115419053B (en) * | 2022-09-14 | 2024-06-11 | 中铁隧道局集团路桥工程有限公司 | Occluding pile structure of complex stratum below river channel and construction method thereof |
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