Turnover type latch bolt assembly and door lock

Abstract

The utility model relates to a turnover type latch bolt assembly and a door lock. The turnover type latch bolt assembly comprises a latch bolt and a mounting panel, the two mounting shells are oppositely arranged; the first mounting base plate and the second mounting base plate are movably mounted on the inner side of the mounting shell, the latch bolt is rotationally connected to the first mounting base plate, and a second spring is connected between the first mounting base plate and the mounting shell; the latch bolt driving mechanism comprises an upper shifting plate and a lower shifting plate which are movably arranged between the first mounting base plate and the second mounting base plate, the end, facing the latch bolt, of the upper shifting plate is connected with a movable follow-up assembly, and the upper shifting plate is constructed to be capable of movably driving the follow-up assembly to move so that the follow-up assembly can abut against or be separated from the latch bolt; the end, facing the latch bolt, of the lower shifting plate is connected with a connecting rod assembly which abuts against the upper shifting plate, and the lower shifting plate is constructed to be capable of driving the upper shifting plate to move through movement. According to the utility model, the traditional door opening process is combined into one, and the pulling of the handle and the contraction of the latch bolt are synchronously carried out, so that the user experience is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of hardware lock technology, specifically a flip-type latch assembly and a door lock. Background Technology

[0002] Currently, single-tongue lock bodies on the market are usually used in conjunction with rotary handles. Opening and closing the door is achieved by rotating the handle to control the linear retraction of the latch of the single-tongue lock body. This structure involves two actions: first, the user rotates the handle to retract the latch; second, after the latch is fully retracted into the door frame, the door opens. For example, the utility model patent with publication number CN221646650U, entitled "Motor-Driven Intelligent Door Lock," describes a process where "the user rotates the handle installed on the inner core of the handle lever, causing the latch lever, which rotates synchronously with the handle, to rotate synchronously. The latch lever then uses its push arm to push the latch assembly back into the housing from outside the housing, thereby achieving temporary unlocking." While these two actions can achieve normal door opening, simplifying the opening process significantly improves the user experience. Utility Model Content

[0003] The purpose of this invention is to provide a flip-type latch assembly and door lock, which can simplify the door opening process and improve the user experience.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a flip-type latch assembly, comprising: a latch and a mounting panel for mounting the latch; two opposing mounting housings connected to the mounting panel, the mounting housings cooperating to form a mounting cavity; a first mounting base plate and a second mounting base plate movably mounted inside the mounting housings, the latch being rotatably connected to the first mounting base plate, and a second spring connecting the first mounting base plate and the mounting housing; a latch driving mechanism, disposed within the mounting cavity, comprising an upper lever plate and a lower lever plate movably disposed between the first mounting base plate and the second mounting base plate, the upper lever plate having a movable follower component connected to its end facing the latch plate, the upper lever plate being configured to move the follower component by movement, causing the follower component to abut or disengage from the latch plate; the lower lever plate having a connecting rod assembly connected to its end facing the latch plate, the connecting rod assembly abutting against the upper lever plate, the lower lever plate being configured to move the upper lever plate by movement.

[0005] In a preferred embodiment, the outer surfaces of the first mounting substrate and the second mounting substrate are provided with a plurality of protrusions, which abut against the mounting housing.

[0006] In a preferred embodiment, the oblique tongue is connected to a first fixed shaft and a second fixed shaft along the height direction of the mounting panel. The first fixed shaft is rotatably connected to a first mounting base plate. The second fixed shaft and the first fixed shaft are arranged opposite to each other. The first mounting base plate is provided with an arc-shaped groove that matches the second fixed shaft and its movement trajectory.

[0007] In a preferred embodiment, guide posts are connected to both sides of the upper and lower dial plates, and the first and second mounting base plates are respectively provided with guide grooves that are adapted to the guide posts.

[0008] In a preferred embodiment, the follower component includes a blocking part and a fixing seat connected to the mounting cavity. The fixing seat has a through hole adapted to the blocking part. The through hole is arranged along the length direction of the mounting cavity. The blocking part has a first insertion position and a second insertion position in the through hole, and the insertion position state is assisted by a plug-in plate inserted into the fixing seat.

[0009] In a preferred embodiment, the fixing base is provided with insertion slots distributed along the width direction of the mounting cavity, the insertion slots cut off the through holes, the insertion plate is inserted into the insertion slots, and the insertion plate is connected to the upper lever plate.

[0010] In a preferred embodiment, the blocking part includes a blocking block and a blocking post fixed to one end of the blocking block. The blocking post is inserted into the through hole, and a first spring is sleeved on the blocking post. The first spring is connected to the fixed base.

[0011] In a preferred embodiment, a torsion spring is connected between the top end of the plug-in plate and the first mounting base plate.

[0012] In a preferred embodiment, the linkage assembly includes a figure-eight linkage and a linkage block hinged to one end thereto. The linkage block is hinged between a first mounting base plate and a second mounting base plate. The other end of the figure-eight linkage is rotatably connected to a lower deflector plate, and the other end of the linkage block abuts against the bottom of an upper deflector plate.

[0013] Another aspect of this utility model provides a door lock, including the flip-type latch assembly described in any of the above claims.

[0014] Compared with the prior art, the beneficial effects of this utility model are: by adopting a flip-type tongue structure in conjunction with a follow-up component connecting the upper lever plate and a linkage component connecting the lower lever plate, this utility model can combine the traditional door opening process into one, with the pull handle and tongue retraction occurring simultaneously, making the door opening and closing method simpler and more novel, thereby effectively improving the user experience. Attached Figure Description

[0015] Figure 1This is a schematic diagram of the overall structure of the flip-type oblique tongue assembly in an embodiment of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the flip-type oblique tongue assembly in an embodiment of this utility model;

[0017] Figure 3 for Figure 2 A structural diagram from another angle;

[0018] Figure 4 This is a schematic diagram of the oblique tongue drive mechanism in an embodiment of the present invention;

[0019] Figure 5 This is a left view of the flip-type oblique tongue assembly in an embodiment of this utility model;

[0020] Figure 6 for Figure 5 Sectional view along the AA direction;

[0021] Figure 7 This is a schematic diagram of the follower component in an embodiment of the present invention;

[0022] Figure 8 This is a schematic diagram of the structure of the fixing base in an embodiment of this utility model.

[0023] The meanings of the labels in the diagram are as follows:

[0024] 1. Slanted tongue; 2. Mounting panel; 3. Mounting housing; 31. Mounting opening; 4. First mounting base; 5. Second mounting base; 6. Second spring; 7. Protrusion; 8. First fixed shaft; 9. Second fixed shaft; 10. Arc groove; 11. Upper lever plate; 12. Lower lever plate; 13. Guide post; 14. Guide groove; 15. Follower assembly; 151. Blocking part; 1511. Blocking block; 1512. Blocking post; 1513. Sliding post; 152. Fixed base; 1521. Ear; 1522. Through hole; 1523. Insertion groove; 153. Insertion plate; 154. Torsion spring; 155. First mounting post; 156. First spring; 16. Linkage assembly; 161. Figure-eight link; 162. Linkage block; 163. Second mounting post. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] See Figure 1 This embodiment discloses a flip-type tongue assembly, including a tongue 1, a mounting panel 2 for mounting the tongue 1, and two oppositely arranged mounting housings 3 respectively connected to the mounting panel 2. A tongue drive mechanism for cooperating with the tongue 1 to flip is connected through the mounting housings 3.

[0028] In this embodiment, two mounting housings 3 are connected within the door frame, and the two together form a mounting cavity for mounting the latch drive mechanism. Each of the two mounting housings 3 has a mounting opening 31 for engaging with the handle. The handle connects to the latch drive mechanism within the mounting cavity through the mounting opening 31 to drive the latch drive mechanism. In this embodiment, the mounting panel 2 and the mounting housings 3 are common accessories in door lock structures, and controlling the movement of the latch drive mechanism by pushing and pulling the handle is also prior art in this field. For example, this engagement structure is disclosed in utility model patent publication number CN222414394U, and its structure will not be described in detail here.

[0029] See Figure 2 , Figure 3 The flip-type latch assembly also includes a first mounting base 4 and a second mounting base 5 movably mounted inside the mounting housing 3. The mounting housing 3 serves as a mounting support for the first mounting base 4 and the second mounting base 5, and the first mounting base 4 and the second mounting base 5 are the mounting bases for the latch 1 and the latch drive mechanism. In this embodiment, the first mounting base 4 and the second mounting base 5 can move along the length of the mounting cavity, and a second spring 6 is connected between the first mounting base 4 and the mounting housing 3. The second spring 6 is located at the end away from the latch 1. Preferably, to ensure quiet operation and improve the user experience, in this embodiment, the outer surfaces of the first mounting base 4 and the second mounting base 5 are provided with multiple protrusions 7 that contact the mounting housing 3. By setting these protrusions 7, the contact area between the first mounting base 4, the second mounting base 5, and the mounting housing 3 can be reduced, reducing friction from relative movement and achieving a quiet operation.

[0030] Specifically, such as Figure 2As shown, in this embodiment, the first mounting base plate 4 is generally constructed as a semi-enclosed structure with one open side. One end of the first mounting base plate 4 is connected to the mounting panel 2. The mounting end of the tongue 1 extends into the mounting panel 2, and the tongue 1 is connected to a first fixing shaft 8 along the height direction of the mounting panel 2. The tongue 1 is rotatably connected to the first mounting base plate 4 through the first fixing shaft 8. Preferably, to ensure the stability of the tongue 1, the tongue 1 is also connected to a second fixing shaft 9 along the height direction of the mounting panel 2. The second fixing shaft 9 and the first fixing shaft 8 are arranged opposite to each other. Correspondingly, the first mounting base plate 4 is provided with an arc-shaped groove 10 that matches the second fixing shaft 9 and its movement trajectory.

[0031] The second mounting substrate 5 is constructed as a plate-like structure, which is inserted into the opening of the first mounting substrate 4 and can move synchronously with the first mounting substrate 4.

[0032] See Figure 4 The inclined tongue drive mechanism includes an upper lever plate 11 and a lower lever plate 12 arranged opposite each other. The upper lever plate 11 and the lower lever plate 12 are movably disposed between a first mounting base plate 4 and a second mounting base plate 5. Guide posts 13 are respectively connected to the left and right ends of the upper lever plate 11 and the lower lever plate 12. The first mounting base plate 4 and the second mounting base plate 5 are respectively provided with guide grooves 14 that are adapted to the guide posts 13. The cooperation between the guide posts 13 and the guide grooves 14 can provide support for the upper lever plate 11 and the lower lever plate 12, and at the same time allow the upper lever plate 11 and the lower lever plate 12 to move up and down. It is understood that the first mounting base plate 4 and the second mounting base plate 5 are also provided with mounting openings that cooperate with the handle.

[0033] The upper shift plate 11 has a movable follower component 15 connected to its end facing the inclined tongue 1. The movement of the upper shift plate 11 can drive the follower component 15 to move. The follower component 15 can abut against or disengage from the inclined tongue 1, thereby determining the rotation space of the inclined tongue 1. The lower shift plate 12 has a connecting rod assembly 16 connected to its end facing the inclined tongue 1. The connecting rod assembly 16 abuts against the upper shift plate 11. The movement of the lower shift plate 12 can drive the upper shift plate 11 to move through the connecting rod assembly 16, thereby controlling the movement of the follower component 15.

[0034] In this embodiment, the upper lever 11 moves upward or the lower lever 12 moves downward by pushing or pulling the handle.

[0035] Combination Figure 6 , Figure 7 The follower component 15 further includes a blocking part 151 that abuts against the oblique tongue 1. The blocking part 151 includes a blocking block 1511 and a blocking post 1512 fixed to one end of the blocking block 1511. The blocking post 1512 is disposed at the end of the blocking block 1511 away from the oblique tongue 1. A sliding post 1513 is provided on the side of the blocking block 1511. Correspondingly, the first mounting base plate 4 is provided with a sliding groove along the length direction that cooperates with the sliding post 1513.

[0036] The follower assembly 15 also includes a fixing seat 152 that mates with the stop post 1512, in combination with Figure 8 The fixing base 152 is connected between the first mounting base 4 and the second mounting base 5 via the ears 1521 at both ends. The fixing base 152 has a through hole 1522 adapted to the blocking post 1512, and the through hole 1522 is arranged along the length direction of the mounting cavity. The blocking post 1512 is inserted into the through hole 1522, and the blocking post 1512 has a first insertion position and a second insertion position in the through hole 1522. The first insertion position and the second insertion position are assisted by the insertion plate 153 inserted into the fixing base 152. Specifically, the mounting base 152 is provided with insertion slots 1523 distributed along the width direction of the mounting cavity. These insertion slots 1523 cut off the through hole 1522. The follower assembly 15 further includes an insertion plate 153 disposed within the insertion slots 1523. The insertion plate 153 can move up and down relative to the insertion slots 1523. When the insertion plate 153 sinks into the insertion slots 1523, it can cut off the through hole 1522 and block the blocking post 1512 to the first insertion position. When the insertion plate 153 moves upward, it can release the through hole 1522 cutting-off state, allowing the blocking post 1512 to continue to penetrate to the second insertion position. Furthermore, the blocking post 1512 is sleeved with a first spring 156, one end of which is connected to the mounting base 152.

[0037] See you again Figure 6 The plug plate 153 is connected to the upper lever plate 11 at one end facing the inclined tongue 1. The upper lever plate 11 and the plug plate 153 move synchronously. The plug plate 153 is also connected to a torsion spring 154. The other end of the torsion spring 154 is connected to the top of the first mounting base plate 4, and the torsion spring 154 is connected by a first mounting post 155 connected between the first mounting base plate 4 and the second mounting base plate 5.

[0038] The linkage assembly 16 includes a figure-eight shaped linkage 161 and a linkage block 162 hinged to one end thereto. The linkage block 162 is hinged to a second mounting post 163 connecting the first mounting base plate 4 and the second mounting base plate 5. The other end of the linkage block 162 abuts against the bottom of the upper shift plate 11, and the other end of the figure-eight shaped linkage 161 is rotatably connected to the guide post 13 of the lower shift plate 12. When the lower shift plate 12 moves downward, it drives the corresponding end of the linkage block 162 downward, and the other end of the linkage block 162 pushes the upper shift plate 11 upward.

[0039] In practical application, when the handle is pulled, the upper lever plate 11 moves upward, pulling the plug plate 153 upward while simultaneously compressing the torsion spring 154. At the same time, the door frame pushes the latch 1 to rotate 45° and press it towards the blocking part 151. The blocking part 151 inserts into the second insertion position of the fixing seat 152, causing the first spring 156 to compress and deform. The first mounting base 4 and the second mounting base 5 slide inward along the length direction of the mounting cavity simultaneously, compressing the second spring 6, thus opening the door. When the force of pulling the handle is released, under the action of the second spring 6, the first mounting base 4, the second mounting base 5, and the latch 1 return to their original positions. Under the action of the first spring 156, the blocking part 151 returns to its original position. Under the action of the torsion spring 154, the plug plate 153 and the upper lever plate 11 return to their original positions.

[0040] Similarly, when the handle is pressed, the lower lever 12 moves downward, causing the upper lever 11 to move upward, repeating the above actions to open the door.

[0041] This embodiment adopts a flip-type tongue 1 structure in conjunction with a follower component 15 connected to the upper lever 11 and a linkage component 16 connected to the lower lever 12, which can combine the traditional door opening process into one. Pulling the handle and retracting the tongue 1 are carried out simultaneously, making the door opening and closing method simpler and more novel, thereby effectively improving the user experience.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A flipper strike plate assembly, comprising: include: A latch and a mounting panel for mounting the latch; Two oppositely arranged mounting housings are connected to the mounting panel, and the mounting housings cooperate to form a mounting cavity; A first mounting base plate and a second mounting base plate are movably mounted inside the mounting housing. The oblique tongue is rotatably connected to the first mounting base plate. A second spring is connected between the first mounting base plate and the mounting housing. A slant-driven mechanism, disposed within a mounting cavity, includes an upper slant plate and a lower slant plate movably disposed between a first mounting base plate and a second mounting base plate. The upper slant plate has a movable follower component connected to its end facing the slant plate. The upper slant plate is configured to move the follower component, causing the follower component to abut against or disengage from the slant plate. The lower slant plate has a connecting rod assembly connected to its end facing the slant plate. The connecting rod assembly abuts against the upper slant plate. The lower slant plate is configured to move the upper slant plate.

2. The flipper latch assembly of claim 1, wherein, The outer surfaces of the first and second mounting substrates are provided with a plurality of protrusions, which abut against the mounting housing.

3. The flipper latch assembly of claim 1, wherein, The oblique tongue is connected to a first fixed shaft and a second fixed shaft along the height direction of the mounting panel. The first fixed shaft is rotatably connected to the first mounting base plate. The second fixed shaft and the first fixed shaft are arranged opposite to each other. The first mounting base plate is provided with an arc-shaped groove that matches the second fixed shaft and its movement trajectory.

4. The flipper latch assembly of claim 1, wherein, The upper and lower push plates are respectively connected to guide posts on both sides of their left and right ends, and the first and second mounting base plates are respectively provided with guide grooves that are adapted to the guide posts.

5. The flipper latch assembly of claim 1, wherein, The follower component includes a blocking part and a fixing seat connected to the mounting cavity. The fixing seat has a through hole adapted to the blocking part. The through hole is arranged along the length direction of the mounting cavity. The blocking part has a first insertion position and a second insertion position in the through hole, and the insertion position state is assisted by a plug-in plate inserted into the fixing seat.

6. The flipper latch assembly of claim 5, wherein, The mounting base is provided with insertion slots distributed along the width direction of the mounting cavity. The insertion slots cut off the through holes. The insertion plate is inserted into the insertion slots and connected to the upper lever plate.

7. The flipper latch assembly of claim 5, wherein, The blocking part includes a blocking block and a blocking post fixed to one end of the blocking block. The blocking post is inserted into the through hole and a first spring is sleeved on the blocking post. The first spring is connected to the fixed base.

8. The flipper latch assembly of claim 5, wherein, A torsion spring is connected between the top end of the plug-in plate and the first mounting base plate.

9. The flipper latch assembly of claim 1, wherein, The linkage assembly includes a figure-eight shaped linkage and a linkage block hinged to one end thereto. The linkage block is hinged between a first mounting base plate and a second mounting base plate. The other end of the figure-eight shaped linkage is rotatably connected to a lower deflector plate, and the other end of the linkage block abuts against the bottom of an upper deflector plate.

10. A door lock characterized by Includes the flip-type tongue assembly as described in any one of claims 1-9.

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