Anti-collision door lock
By introducing sliders, elastic parts and oblique guide snap-in positioning parts into the lock structure, the problem of damage caused by the lock tongue hitting the slider when closing the door is solved, and the effect of improving the service life of the door lock is achieved.
Patent Information
- Application Number
- CN202421590008.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-07-05
AI Technical Summary
When closing doors and windows, the existing locking structure is prone to directly hitting the locking tongue due to misoperation, causing damage to the locking buckle.
An anti-collision door lock is designed. By providing a slider and an elastic member on the buckle, and a snap-on position with an oblique guide surface is provided on the slide. When the door is closed, the hook slides across the oblique guide surface, and the slider moves to the inside of the main body to avoid the lock tongue from colliding with the slider.
It effectively prevents the lock tongue from hitting the slider when the door is closed by mistake, avoids damage to the lock, and improves the service life of the door lock.
Smart Images
Figure CN222887004U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a component of a door, in particular to an anti-collision door lock. Background Art
[0002] A lock catch generally refers to a buckle-shaped fastener installed on doors and windows for locking them, generally composed of a catch body and a lock tongue. The closing and opening of the doors and windows are achieved through the combination and separation of the catch body and the lock tongue. Moreover, a position adjusting mechanism for adjusting the state of the lock tongue is also provided on the lock catch, so that the combined catch body and lock tongue can be separated to open the doors and windows.
[0003] However, for the existing lock catch structure, before closing the doors and windows, if there is a misoperation and the state of the position adjusting mechanism is not adjusted first (for example, the lock tongue is in the locked state), it is easy to cause the lock tongue to directly hit the catch body, thereby causing damage to the lock catch and bringing trouble to the user. Summary of the Utility Model
[0004] Based on this, it is necessary to provide an anti-collision door lock in view of the deficiencies in the prior art.
[0005] The technical solution of the utility model is as follows: an anti-collision door lock, which includes a catch body and a lock tongue that cooperates with the catch body. The catch body includes a main body portion, a slider slidably disposed on the main body portion, a bottom plate installed at the bottom of the main body portion, and an elastic member disposed inside the main body portion. Both ends of the elastic member elastically abut against the bottom plate and the slider. One end of the slider away from the elastic member extends out of the main body portion. A clamping portion is provided at one end of the slider. An inclined guide surface is provided at a position in front of the clamping portion. The inclined guide surface slopes backward from the direction away from the slider. The lock tongue includes a linkage portion and a hook portion vertically connected to the linkage portion.
[0006] In the initial state, the hook portion of the lock tongue is disposed opposite to the inclined guide surface on the slider in the horizontal direction. When it is necessary to lock the door leaf, the door leaf is pushed towards the door frame. The hook portion of the lock tongue slides over the inclined guide surface of the slider. The hook portion presses the slider downward, causing the slider to displace inwardly into the main body portion to avoid it. The elastic member elastically contracts. After the hook portion slides over the inclined guide surface, the elastic member presses the slider back to its original position, causing the hook portion to be stuck on the rear side surface of the slider.
[0007] In one embodiment, a chute is provided on the front side surface of the main body portion. The extending direction of the chute is the same as the extending direction of the main axis of the main body portion. Two guiding plates are formed on both sides of the main body portion with respect to the chute. The slider is disposed in the chute. The spring is disposed between the bottom plate and the slider. The clamping portion of the slider extends out of the chute.
[0008] In one embodiment, the catch body further includes a positioning member. The positioning member passes through the bottom plate and is connected to the slider.
[0009] In one embodiment, the bottom plate is provided with a through hole, one end of the slider is provided with a positioning hole, the positioning member includes a positioning head and a positioning rod connected to the positioning head, the positioning rod of the positioning member passes through the through hole, the positioning head is clamped at the opening of the through hole of the bottom plate, and the side of the positioning rod away from the positioning head is installed in cooperation with the positioning hole.
[0010] In one embodiment, the hole wall of the positioning hole is provided with an internal thread, the end of the positioning rod away from the positioning head is provided with an external thread, and the side of the positioning rod away from the positioning head is installed by matching the internal thread of the positioning hole on the slider through the external thread.
[0011] In one embodiment, the buckle body is also provided with a plurality of guide bars for guiding the slider, and a plurality of guide holes are provided on both guide plates, and the guide bars extend from the guide holes on the guide plates and are installed on the slider.
[0012] In one embodiment, the guide hole is a long hole in the shape of a racetrack, and the direction in which the long axis of the guide hole extends is consistent with the direction in which the main axis of the main body extends.
[0013] In one embodiment, a receiving groove is provided on the front side of the main body near one end of the bottom plate, and the anti-collision door lock further comprises a cover plate, which is arranged in the receiving groove of the main body.
[0014] In one embodiment, the front side of the slider is provided with an avoidance groove, the cover plate extends into the avoidance groove of the slider, and the inner groove wall of the avoidance groove is in contact with the rear side of the cover plate
[0015] In one embodiment, it also includes a handle connected to the lock tongue, and the linkage portion is provided with a linkage hole for mounting with the handle.
[0016] The beneficial effect of the anti-collision door lock of the utility model is that: by arranging a slider and an elastic member for pushing the slider back to its position on the buckle body, and arranging a locking portion with an inclined guide surface on the slider, when closing the door, the hook slides over the inclined guide surface, and the slider moves to the inside of the main body to avoid, effectively preventing the lock tongue from colliding with the slider and hard contacting with the slider when closing the door by mistake, thereby effectively improving the service life of the door lock and having strong practicality. Brief Description of the Figures
[0017] Figure 1 It is a schematic diagram of the structure of the utility model anti-collision door lock installed on the door;
[0018] Figure 2 、 Figure 3 It is a schematic diagram of the structure of the utility model anti-collision door lock at different angles;
[0019] Figure 4 This is an exploded view of the anti-collision door lock of the utility model;
[0020] Figure 5 This is a schematic structural view of the slider of the anti-collision door lock of the present utility model. Specific embodiments
[0021] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
[0022] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
[0023] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.
[0024] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0025] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.
[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.
[0027] Please refer to Figures 1 to 5 , the present utility model provides an anti-collision door lock, which includes a buckle body 20, a lock tongue 20 that cooperates with the lock buckle body 10, and a handle 30 connected to the lock tongue 20. The handle 30 can drive the handle 30 to rotate and adjust the position, so that the lock tongue 20 buckled on the buckle body 10 is unlocked from the buckle body 10. In this embodiment, the anti-collision door lock is applied to a side sliding door. Among them, the buckle body 10 is installed on the door frame 40 of the side sliding door, and the lock tongue 20 and the handle 30 are arranged on the door leaf 50. In other embodiments, the lock tongue 20 and the handle 30 are installed on the door frame 40 of the side sliding door, and the buckle body 10 is installed on the door leaf 50.
[0028] The buckle body 10 includes a main body portion 11, a slider 12 slidably disposed on the main body portion 11, a bottom plate 13 installed at the bottom of the main body portion 11, an elastic member 14 disposed inside the main body portion 11, a positioning member 15 passing through the bottom plate 13 and connected to the slider 12, a plurality of guide bars 17 for guiding the slider 12, and a cover plate 16 installed on the front side of the main body portion 11. Both ends of the elastic member 14 elastically abut against the bottom plate 13 and the slider 12. One end of the slider 12 away from the elastic member 14 extends out of the main body portion 11. When the slider 12 is squeezed inward, the slider 12 slides into the main body portion 11 for avoidance. At this time, the elastic member 14 elastically contracts.
[0029] A chute 111 is provided on the front side of the main body 11. The extending direction of the chute 111 is consistent with the extending direction of the main axis of the main body 11. Two guiding plates 112 are formed on both sides of the chute 111 of the main body 11. A plurality of guiding holes 113 are provided on both guiding plates 112. The guiding holes 113 on the two guiding plates 112 correspond to each other and are aligned. The guiding holes 113 are oblong holes in the shape of a runway. The extending direction of the long axis of the guiding holes 113 is consistent with the extending direction of the main axis of the main body 11. In addition, a receiving groove 114 is provided on the front side of the main body 11 at one end close to the bottom plate 13.
[0030] One end of the slider 12 is provided with a positioning hole 121. The inner wall of the positioning hole 121 is provided with internal threads. An avoidance groove 122 is provided at a position on the front side of the slider 12 close to the positioning hole 121. The other end of the slider 12 far from the positioning hole 121 is provided with a clamping portion 123. An inclined guiding surface 124 is provided at a position on the front side of the clamping portion 123. The inclined guiding surface 124 inclines backward from the direction away from the slider 12. In addition, fixing holes 125 for installing guide bars 17 are provided on both sides of the slider 12.
[0031] In this embodiment, the elastic member 14 is a spring. The positioning member 15 includes a positioning head 151 and a positioning rod 152 connected to the positioning head 151. The end of the positioning rod 152 far from the positioning head 151 is provided with external threads. A through hole 131 is provided on the bottom plate 13.
[0032] During assembly, the slider 12 is arranged in the chute 111. The spring is arranged between the bottom plate 13 and the slider 12. The clamping portion 123 of the slider 12 extends out of the chute 111. The positioning rod 152 of the positioning member 15 passes through the through hole 131 and the spring. The positioning head 151 is stuck at the orifice of the through hole 131 on the bottom plate 13. The side of the positioning rod 152 far from the positioning head 151 is installed in cooperation with the internal threads of the positioning hole 121 on the slider 12 through external threads. The cover plate 16 is arranged in the receiving groove 114 of the main body 11. The cover plate 16 and the main body 11 are fixed through a plurality of fixing members. The spring is located in the space surrounded by the chute 111, the bottom plate 13 and the cover plate 16. The cover plate 16 extends into the avoidance groove 122 of the slider 12. The inner side wall of the avoidance groove 122 is attached to the rear side surface of the cover plate 16. The guide bar 17 extends from the guiding holes 113 on the guiding plates 112 and is installed on the fixing holes 125 of the slider 12. Through the cooperation of the guide bar 17 and the guiding holes 113, auxiliary guiding of the slider 12 can be realized, and the slider 12 can be prevented from falling off the main body 11.
[0033] The lock tongue 20 includes a linkage portion 21 and a hook portion 22 vertically connected to the linkage portion 21. A linkage hole 23 for cooperating with the handle 30 for installation is provided on the linkage portion 21. The handle 30 drives the lock tongue 20 to rotate along the cooperation position of the handle 30 and the linkage hole 23.
[0034] In the initial state, the hook portion 22 of the latch tongue 20 is disposed opposite to the inclined guide surface 124 on the slider 12 in the horizontal direction. When it is necessary to lock the door leaf 50, the door leaf 50 is pushed towards the door frame 40. The hook portion 22 of the latch tongue 20 slides over the inclined guide surface 124 of the slider 12. During the process of the hook portion 22 sliding over the inclined guide surface 124, under the guidance of the inclined guide surface 124, the hook portion 22 presses the slider 12 downward, causing the slider 12 to shift inwardly to the inside of the main body portion 11 to make way, and the elastic member 14 elastically contracts. After the hook portion 22 slides over the inclined guide surface 124, the elastic member 14 presses the slider 12 to return to its position, so that the hook portion 22 is stuck on the rear side surface of the slider 12. When it is necessary to open the door leaf 50, the handle 30 is rotated. During the rotation of the handle 30, the hook portion 22 is driven to adjust its position synchronously, so that the hook portion 22 and the engaging portion 123 of the slider 12 are arranged in a dislocation manner. Then, the door leaf 50 is pushed horizontally, so that the hook portion 22 is completely separated from the buckle body 10.
[0035] It can be understood that in this embodiment, the latch tongue 20 is driven to adjust its position by the handle 30. In other embodiments, the handle 30 may not be provided, and a convex strip for adjusting the position of the slider 11 may be directly provided, and the slider 11 is driven by the convex block to withdraw from the latch tongue 20.
[0036] The beneficial effects of the anti-collision door lock of the present utility model are as follows: By providing the slider 12 and the elastic member 14 for pushing the slider 12 to return on the buckle body 10, and by providing the engaging portion 123 with an inclined guide surface 124 on the slider 12, when closing the door, the hook portion 22 slides over the inclined guide surface 124, and the slider 12 shifts inwardly to the inside of the main body portion 11 to make way, effectively preventing the phenomenon that when the door is closed by mistake, the latch tongue 20 hits the slider 12 and makes hard contact with the slider 12, thereby causing damage to the door lock, effectively improving the service life of the door lock, and having strong practicability.
[0037] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.
[0038] The above-described embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. An anti-collision door lock, characterized in that: The invention comprises a buckle body and a lock tongue matched with the lock buckle body, wherein the buckle body comprises a main body, a slider slidably arranged on the main body, a bottom plate installed at the bottom of the main body, and an elastic member arranged inside the main body, wherein two ends of the elastic member elastically abut against the bottom plate and the slider, an end of the slider away from the elastic member extends from the main body, a clamping portion is arranged at one end of the slider, an inclined guide surface is arranged at the front side of the clamping portion, and the inclined guide surface is inclined backward from the direction away from the slider, and the lock tongue comprises a linkage portion and a hook portion vertically connected to the linkage portion; In the initial state, the hook portion of the lock tongue is arranged opposite to the inclined guide surface on the slider in the horizontal direction. When the door leaf needs to be locked, the hook portion of the lock tongue slides over the inclined guide surface of the slider, and the hook portion presses the slider downward, causing the slider to shift toward the inside of the main body to avoid it. The elastic part elastically contracts, and after the hook portion slides over the inclined guide surface, the elastic part presses the slider back to its position, causing the hook portion to be stuck on the rear side of the slider.
2. The anti-collision door lock according to claim 1, characterized in that: A slide groove is provided on the front side of the main body, and the extension direction of the slide groove is consistent with the extension direction of the main axis of the main body. The main body forms two guide plates on both sides of the slide groove, and the slider is arranged in the slide groove. The elastic member is arranged between the bottom plate and the slider, and the locking portion of the slider extends out of the slide groove.
3. The anti-collision door lock according to claim 1, characterized in that: The buckle body also includes a positioning piece, which passes through the bottom plate and is connected to the slider.
4. The anti-collision door lock according to claim 3, characterized in that: A through hole is provided on the bottom plate, a positioning hole is provided at one end of the slider, the positioning member includes a positioning head and a positioning rod connected to the positioning head, the positioning rod of the positioning member passes through the through hole, the positioning head is clamped at the hole opening of the through hole of the bottom plate, and the side of the positioning rod away from the positioning head is installed in cooperation with the positioning hole.
5. The anti-collision door lock according to claim 4, characterized in that: The hole wall of the positioning hole is provided with an internal thread, the end of the positioning rod away from the positioning head is provided with an external thread, and the side of the positioning rod away from the positioning head is installed by matching the internal thread of the positioning hole on the slider through the external thread.
6. The anti-collision door lock according to claim 1, characterized in that: The buckle body is also provided with a plurality of guide bars for guiding the slider, and the two guide plates are both provided with a plurality of guide holes, and the guide bars extend from the guide holes on the guide plates and are installed on the slider.
7. The anti-collision door lock according to claim 6, characterized in that: The guide hole is a long hole in a racetrack shape, and the extending direction of the long axis of the guide hole is consistent with the extending direction of the main axis of the main body.
8. The anti-collision door lock according to claim 2, characterized in that: A receiving groove is arranged on the front side surface of the main body close to one end of the bottom plate, and the anti-collision door lock also includes a cover plate, which is arranged in the receiving groove of the main body.
9. The anti-collision door lock according to claim 8, characterized in that: The front side of the slider is provided with an avoidance groove, the cover plate extends into the avoidance groove of the slider, and the inner groove wall of the avoidance groove is in contact with the rear side of the cover plate.
10. The anti-collision door lock according to claim 2, characterized in that: It also includes a handle connected to the locking tongue, and the linkage part is provided with a linkage hole for cooperating with the handle for installation.