A concealed oblique locking tongue adjustment structure

Abstract

This application discloses a concealed angled latch adjustment structure, belonging to the field of lock technology. It includes a lock body, within which an angled latch mechanism is installed. The angled latch mechanism includes an angled latch rod, a connector, a connecting frame, a guide rail, and a push spring. Two symmetrically arranged support blocks are provided on the outer periphery of the angled latch rod. A positioning hole and a positioning pin are provided between the connector and the support blocks. Sliding grooves are formed at the ends of the two support blocks, and sliding blocks and push springs are installed within the sliding grooves. Fixing rods are fixed near the ends of the two positioning pins, and abutment blocks are fixed on the fixing rods to engage with the sliding blocks. Fixed discs and extension discs are respectively fixed to the support blocks and the fixing rods, and a positioning spring is provided between the fixed discs and the extension discs. The advantages of this application are that it eliminates the need to observe the position of the positioning pins at the external end, facilitating user adjustment of the angled latch rod, eliminating the need for users to find corresponding tools, further increasing user adjustment efficiency, and facilitating component replacement and overall maintenance.

Description

Technical Field

[0001] This application relates to the field of lock technology, and more specifically, to a concealed oblique locking tongue adjustment structure. Background Technology

[0002] In real-life environments, doors can open in various directions, such as left-opening, right-opening, inward-opening, and outward-opening. During the production of the lock body, adjusting the tilt direction of the latch ensures that when the door is closed, the latch can accurately insert into the lock hole on the door frame, achieving the corresponding opening and closing direction.

[0003] Existing latch reversing structures vary widely, including toggle-type reversing, bracket spring-type reversing, guide plate reset-type reversing, manual disassembly reversing, spring plug-in reversing, and screw adjustment reversing. These structures are generally cumbersome, inconvenient to operate, and affect reversing efficiency. For spring plug-in reversing, there is usually only one spring pin, typically positioned in the same direction as the latch's inclined surface. Therefore, users must first observe the inclined surface of the latch and then flip the lock body back and forth to find the positioning hole for adjustment. This is inconvenient for users to install the lock body independently, impacting the user experience. Furthermore, due to the reversing mechanism design, toggle-type, bracket spring-type, guide plate reset-type, manual disassembly reversing, and screw adjustment reversing require the use of corresponding tools, such as screwdrivers. This necessitates users searching for these tools during adjustment, further reducing reversing efficiency.

[0004] Therefore, a concealed oblique locking tongue adjustment structure is needed to solve the above problems. Utility Model Content

[0005] The summary section of this application is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description section below. This summary section is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0006] To address the technical problems mentioned in the background section, some embodiments of this application provide a concealed angled latch adjustment structure, comprising: a lock body, on which an angled latch mechanism is mounted, the angled latch mechanism including an angled latch rod telescopically inserted into the lock body, a connector and a connecting frame inserted into the angled latch rod, the connector and the connecting frame being fixedly connected, a clamp abutting between the angled latch rod and the connector on the periphery of the angled latch rod, a guide slide bracket fixedly embedded in the lock body, and the connecting frame being inserted into the guide slide bracket and connected to the... The guide rail slides up and down, and a push spring connects the connecting frame and the guide rail. The oblique locking tongue includes an oblique locking tongue at the upper end, a plug-in rod at the lower upper end, and a connecting rod at the lower end. The connecting frame includes a fixed frame at the upper end, a connecting plate at the middle end, and a sliding plate at the lower end. The connecting rod extends downward through the fixed frame of the connecting frame. A snap-fit ​​groove is provided on the outer periphery of the connecting rod. The snap-fit ​​groove is elastically snapped into the snap-fit ​​groove. The upper end of the connecting rod is provided with a mating groove. Two symmetrical support blocks are inserted and fitted into the mating groove.

[0007] Furthermore, the two inclined locking tongue rods are inserted into the insertion seat. The insertion seat and the two support blocks each have two symmetrical positioning holes. Positioning pins are slidably fitted into the positioning holes. The positioning pins can be inserted into the positioning holes of the insertion seat and engage with the side wall of the positioning holes. The push spring abuts against the connecting frame. The connecting frame and the guide slide frame are both fixed with limiting blocks located at their inner ends.

[0008] Furthermore, two symmetrically positioned fixed discs are fixed at the adjacent ends of the two support blocks. Two symmetrically positioned fixed rods are rotatably connected between the two sets of fixed discs. The fixed rods are fixedly connected to the positioning pins. An extension disc is fixed on the outer periphery of the fixed rods, at the end away from the fixed discs. A positioning spring abuts against the positioning spring. Abutting blocks are fixed at the adjacent ends of the two positioning springs. A sliding groove is opened at the middle of the two support blocks, and the abutting block is located in the sliding groove. Two symmetrically positioned sliding blocks are slidably connected in the sliding groove. A thrust spring abuts against the side wall of the sliding groove. An inclined surface abuts against the sliding block and the abutting block. The spring thrust of the thrust spring on the sliding block is greater than the spring thrust of the positioning spring on the extension disc.

[0009] Furthermore, the two sliding blocks and the two abutting blocks each have an arc-shaped groove at their close ends that can abut against the periphery of the oblique locking tongue rod.

[0010] The beneficial effects of this application are as follows:

[0011] 1. By setting a positioning pin in each of the two positioning holes, and with the positioning spring and the extension plate abutting against each other, and the thrust spring and the sliding block abutting against each other, the positioning pin can be inserted into the socket. Then, when the user pushes the positioning pin by abutting the rod, the extension plate can realize the synchronous retraction of the two positioning pins on the left and right sides, thereby unlocking the angled lock tongue rod on the socket. This allows the angled lock tongue rod to rotate circumferentially for adjustment, so that the user does not need to observe the tilt position of the angled lock tongue rod at the outside or flip the lock body to find the positioning hole. This makes it convenient for the user to adjust the angled lock tongue rod, indirectly increasing the user's adjustment efficiency.

[0012] 2. Two positioning pins are set between the two positioning holes. The angled locking tongue can be released from the limit on the connector by pushing the insertion rod against the positioning pin. Therefore, the user does not need to use the corresponding tools (such as screwdrivers) to operate. It is simple, quick and easy to use, thus eliminating the process of the user looking for the corresponding tools and further increasing the user's adjustment efficiency.

[0013] 3. The angled locking tongue rod, plug-in seat, and support block are spliced ​​together as a whole and limited by clamps, which facilitates the user's assembly of the angled locking tongue mechanism. The fixed plate and extension plate are set up, and the positioning spring is inserted between the fixed plate and the extension plate to realize the installation. The fixed rod and positioning pin are spliced ​​separately to facilitate the installation of the positioning spring, thereby preventing the positioning pin from coming out of the two positioning holes by the spring force, avoiding the loss of parts, and facilitating the replacement of parts and overall maintenance. Attached Figure Description

[0014] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0015] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0016] In the attached diagram:

[0017] Figure 1 is a schematic diagram of the overall structure of an embodiment of a concealed oblique locking tongue adjustment structure according to this application;

[0018] Figure 2 is a schematic diagram of the lock body after disassembly in the embodiment shown in Figure 1;

[0019] Figure 3 is a schematic diagram of the lock body after disassembly in the embodiment shown in Figure 1;

[0020] Figure 4 is a schematic diagram of the overall appearance of the oblique locking tongue mechanism in the embodiment of Figure 1;

[0021] Figure 5 is an exploded view of the inclined locking tongue connection part in the embodiment of Figure 4;

[0022] Figure 6 is a top view of the structure in the embodiment shown in Figure 4;

[0023] Figure 7 is a front view of the structure in the embodiment shown in Figure 4;

[0024] Figure 8 is a partial cross-sectional schematic diagram of AA in the embodiment of Figure 7;

[0025] Figure 9 is a cross-sectional schematic diagram of BB in the embodiment of Figure 8.

[0026] Figure label:

[0027] 10. Lock body; 11. Angled latch mechanism; 12. Angled latch rod; 13. Plug-in socket; 14. Clamp; 15. Connecting frame; 16. Guide slide; 17. Push spring; 18. Snap-in groove; 19. Butt groove; 20. Support block; 21. Positioning hole; 22. Positioning pin; 25. Fixing plate; 26. Fixing rod; 27. Positioning spring; 28. Extension plate; 29. ​​Abutment block; 30. Sliding groove; 31. Sliding block; 32. Thrust spring. Detailed Implementation

[0028] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0029] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0030] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0031] It should be noted that, in the description of this disclosure, unless otherwise expressly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] It should be noted that, in this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0034] This disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0035] Referring to Figures 1-8, a concealed angled latch adjustment structure includes: a lock body 10, an angled latch mechanism 11 mounted on the lock body 10, the angled latch mechanism 11 including an angled latch rod 12 that is telescopically inserted into the lock body 10, a connector 13 and a connecting frame 15 inserted into the angled latch rod 12, the connector 13 and the connecting frame 15 being fixedly connected, a clamp 14 abutting between the angled latch rod 12 and the connector 13 being provided on the periphery of the angled latch rod 12, a guide slide 16 being fixedly embedded in the lock body 10, the connecting frame 15 being inserted into the guide slide 16 and sliding vertically with the guide slide 16, a push spring 17 connecting the connecting frame 15 and the guide slide 16, the angled latch rod 12 including an angled latch at the upper end, a connector rod at the lower upper end, and a connecting rod at the lower end, and the connecting frame 15... The connection includes a fixed frame at the top, a connecting plate at the middle, and a sliding plate at the bottom. A connecting rod extends downwards through the fixed frame of the connecting frame 15. A snap-fit ​​groove 18 is provided on the outer periphery of the connecting rod, and the snap-fit ​​groove 18 is elastically engaged. A mating groove 19 is provided at the upper end of the connecting rod, and a snap-fit ​​groove 18 is provided on the lower side of the mating groove 19. Two symmetrically positioned support blocks 20 are inserted into the mating groove 19. Two oblique locking tongue rods 12 are inserted into the insertion seat 13. Two symmetrically positioned holes 21 are provided at both the insertion seat 13 and the two support blocks 20. Positioning pins 22 are slidably engaged within the positioning holes 21. The positioning pins 22 are cylindrical and can be inserted into the positioning holes 21 of the insertion seat 13, engaging with the side wall of the positioning holes 21. A push spring 17 abuts against the connecting frame 15 and the guide slide 16. Each end is fixed with a limiting block located at the inner end;

[0036] A slanted latch mechanism 11 is installed on the lock body 10. This mechanism controls the opening and closing direction of the lock body 10. During adjustment, a rod is inserted into one of the two positioning holes 21 on the left and right sides of the insertion seat 13. A positioning pin 22 is installed in both holes 21. For example, if the rod is inserted from the left positioning hole 21, it abuts against the left positioning pin 22, pushing the pin 22 inward. This disengages the pin 22 from the positioning hole 21 on the insertion seat 13, allowing the slanted latch rod 12 to rotate within the insertion seat 13. This allows the slanted latch rod 12 to rotate 180 degrees for reversal adjustment. During installation, a guide slide 16 is first inserted into the lock body 10, and the lower end of the connecting bracket 15 is inserted into the guide slide 16. Then, two support blocks 20 are mated on the outer periphery of the slanted latch rod 12 (the support blocks 20 are located in the mating groove 19). The oblique locking tongue 12 and two support blocks 20 are pushed downward into the insertion seat 13 from the upper opening. During this process, the two positioning pins 22 are pushed inward through the insertion seat 13. The oblique locking tongue 12 and the two support blocks 20 are clamped on the upper and circumferential sides of the insertion seat 13. The positioning pins 22 are reset and inserted into the positioning hole 21. The clamp 14 is inserted at the snap-fit ​​groove 18, so that the clamp 14 abuts against the connecting frame 15 which is fixedly connected to the insertion seat 13. The clamp 14 is set between the oblique locking tongue 12 and the connecting frame 15, so as to cooperate with the insertion seat 13 to realize the upper and lower snap-fit ​​of the oblique locking tongue 12, thereby completing the overall installation of the oblique locking tongue mechanism 11. The push spring 17 is inserted between the connecting frame 15 and the guide slide 16, so that the push spring 17 pushes the connecting frame 15 upward under the support of the guide slide 16, so that the oblique locking tongue 12 The lock body 10 protrudes upward through the opening (as shown in Figure 1), as... Figure 7 As shown, the push spring 17 is fixed with limit blocks on the end face of the connecting frame 15 and the guide slide 16 to prevent the push spring 17 from sliding out between the connecting frame 15 and the guide slide 16. The positioning hole 21 is hidden inside the lock body 10, as shown in Figure 1.

[0037] Referring to Figure 3, the rear end of the connecting frame 15 is provided with a guide groove extending vertically. As shown in Figure 3, the guide groove extends vertically. A guide rod is fixed inside the lock body 10 and slides in the guide groove. The lower end of the connecting frame 15 slides vertically by inserting into the guide frame 16, and the upper end of the connecting frame 15 slides vertically by inserting into the guide groove and the guide rod. This enables the oblique locking tongue rod 12, the insertion seat 13 and the connecting frame 15 to slide vertically, allowing the oblique locking tongue mechanism 11 to extend and retract at the lock body 10.

[0038] Reference Figure 8-9 Two symmetrical fixed discs 25 are fixed at the close ends of the two support blocks 20. Two symmetrical fixed rods 26 are rotatably connected between the two sets of fixed discs 25. The fixed rods 26 are fixedly connected to the positioning pins 22. An extension disc 28 is fixed on the outer periphery of the fixed rod 26, at the end away from the fixed disc 25. The fixed rod 26 abuts against the positioning spring 27. Abutting blocks 29 are fixed at the close ends of the two positioning springs 27. A sliding groove 30 with front and rear arrangements is opened at the middle of the two support blocks 20. The abutting blocks 29 are located in the sliding groove 30. Two symmetrical sliding blocks 31 are slidably connected in the sliding groove 30. A thrust spring 32 abuts between the sliding block 31 and the side wall of the sliding groove 30. An inclined surface abuts against the sliding block 31 and the abutting block 29. The spring thrust of the thrust spring 32 on the sliding block 31 is greater than that of the positioning spring 27 on the extension disc 28. The spring thrust; during the process, the positioning pin 22 is provided in two positioning holes 21 distributed on the left and right. The end of the positioning pin 22 connected to the fixing rod 26 is provided with an internal thread sleeve, and the outer periphery of the fixing rod 26 is provided with an external thread. The positioning pin 22 and the fixing rod 26 are fixed by threaded connection through the thread groove. During the docking process of the inclined locking tongue rod 12 and the support block 20, two fixing rods 26 are inserted from the front and rear direction, as shown in the support block 20 and positioning pin 22 part on the rear side of Figure 5. The positioning spring 27 is abutted between the fixed plate 25 and the extension plate 28. Through the fixed connection between the fixed plate 25 and the support block 20, the fixing rod 26 applies an inward thrust to the extension plate 28. The abutting block 29 provided in the sliding groove 30 abuts against the sliding block 31. The sliding block 31 is affected by the spring thrust of the thrust spring 32 and pushes the two abutting blocks 29 away from each other. Figure 9As shown, the two support blocks 20 are then aligned front to back and inserted downwards into the connector 13. During use, the user does not need to adjust the insertion by pointing the inclined surface of the locking tongue 12 towards the position of the positioning pin 22. For example, as Figure 8 As shown, the positioning pins 22 are positioned in the two positioning holes 21. The inclined surface of the slanted locking tongue 12 is located at the right end. The user removes the insert rod and inserts it into either of the positioning holes 21 (the positioning hole 21 on the left), causing the positioning pin 22 to move to the right. The abutment block 29 on the left moves to the right, pushing the two sliding blocks 31 against the spring force of the thrust spring 32 through the inclined surface. This causes the sliding blocks 31 to move away from each other. During the process of the two sliding blocks 31 moving away from each other, the abutment block 29, which was originally in contact with the sliding block 31 on the right, loses the support of the sliding block 31. Under the spring force of the right abutment block 29, it moves synchronously to the left along with the positioning pin 22 on the left, thus bringing the two positioning pins 22 closer together. This allows the two positioning pins 22 to move closer or further apart simultaneously, eliminating the need for the user to flip the lock body 10 back and forth or left and right to adjust the position of the positioning pins 22. The abutting end is provided with an inclined surface. The angle of the inclined surface of the abutting block 29 is greater than 30 degrees and less than 45 degrees. By increasing the inclination angle, the effect of the thrust on the abutting block 29 and the sliding block 31 is increased, thereby increasing the thrust effect.

[0039] Referring to Figure 9, the two sliding blocks 31 and the two abutting blocks 29 are provided with arc-shaped grooves at their close ends so as to abut against the periphery of the oblique locking tongue rod 12.

[0040] Working process or usage method:

[0041] 1. By opening the positioning hole 21 on the lock body 10, insert the rod into the positioning hole 21. After the rod abuts against the positioning pin 22 and pushes the positioning pin 22 to slide inward and lose contact with the insertion seat 13, the abutment block 29 will push the two sliding blocks 31 away from each other. The positioning pin 22 on the other side will retract inward under the spring force of the positioning spring 27, so that the angled lock tongue 12 loses its limit at the insertion seat 13. This allows the angled lock tongue 12 to rotate circumferentially on the insertion seat 13, realizing the left and right adjustment of the angled lock tongue 12 without the user having to observe or test the installation position of the positioning pin 22. After the adjustment is completed, remove the rod from the positioning hole 21. The positioning pin 22 loses the support force of the rod, and the sliding block 31 pushes the two positioning pins 22 away from each other under the spring force of the push spring 32, so that the positioning pin 22 is reinserted into the insertion seat 13 for positioning.

[0042] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in the embodiments of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A concealed angle lock tongue adjusting structure, characterized in that, include: Lock body (10), wherein a slanted locking tongue mechanism (11) is installed inside the lock body (10); The oblique locking tongue mechanism (11) includes an oblique locking tongue rod (12) extending into the lock body (10). A plug-in seat (13) is installed at the lower end of the oblique locking tongue rod (12). A connecting frame (15) is fixed at the lower end of the plug-in seat (13). A guide slide (16) is embedded in the lock body (10) and slides up and down with the connecting frame (15). A push spring (17) is provided between the guide slide (16) and the connecting frame (15). Two symmetrically arranged support blocks (20) are provided on the outer periphery of the oblique locking tongue rod (12) and inside the plug-in seat (13). Two symmetrical positioning holes (21) are opened between the plug-in seat (13) and the support blocks (20). A positioning pin (22) is provided in each of the two positioning holes (21). The two support blocks (20) are provided with a sliding groove (30) at the middle end. The sliding groove (30) is provided with a sliding block (31) and a thrust spring (32). The two positioning pins (22) are fixed with a fixing rod (26) near the end of the sliding groove (30). The fixing rod (26) is inserted into the sliding groove (30) and is fixed with an abutment block (29) that fits against the inclined surface of the sliding block (31). A fixed plate (25) and an extension plate (28) are respectively fixed on the inner periphery of the support block (20) and the outer periphery of the fixed rod (26), and a positioning spring (27) is connected between the fixed plate (25) and the extension plate (28).

2. The concealed oblique locking tongue adjustment structure according to claim 1, characterized in that: The upper end of the oblique locking tongue rod (12) is provided with a docking groove (19). The support block (20) is symmetrically arranged and docked at the docking groove (19). A snap-fit ​​groove (18) is opened on the outer periphery of the oblique locking tongue rod (12) and on the lower side of the docking groove (19). A clamp (14) is snapped into the snap-fit ​​groove (18). The upper and lower ends of the clamp (14) abut against the end face of the connecting frame (15) and the side wall of the snap-fit ​​groove (18), respectively.

3. The concealed oblique locking tongue adjustment structure according to claim 2, characterized in that: The oblique locking tongue rod (12) includes an oblique locking tongue at the upper end, a plug rod at the lower part of the upper end, and a connecting rod at the lower end. The mating groove (19) is opened on the plug rod, and the clamp (14) is opened on the connecting rod. The connecting frame (15) includes a fixed frame at the upper end, a connecting plate at the middle end, and a sliding plate at the lower end. The connecting rod extends downward through the fixed frame of the connecting frame (15).

4. The concealed oblique locking tongue adjustment structure according to claim 1, characterized in that: The positioning spring (27) is fitted between the fixed plate (25) and the extension plate (28), the thrust spring (32) is fitted between the end face of the sliding block (31) and the side wall of the sliding groove (30), the push spring (17) is abutted between the connecting frame (15) and the guide slide (16), and the abutting end of the push spring (17) is provided with a limiting block and fixedly connected to the connecting frame (15) and the guide slide (16).

5. The concealed oblique locking tongue adjustment structure according to claim 1, characterized in that: The abutting block (29) and the sliding block (31) have an inclined surface at their abutting ends, and the angle of the inclined surface of the abutting block (29) is greater than 30 degrees and less than 45 degrees.

6. The concealed oblique locking tongue adjustment structure according to claim 1, characterized in that: The positioning hole (21) extends to the left and right and penetrates the lock body (10).

7. The concealed oblique locking tongue adjustment structure according to claim 1, characterized in that: The locating pin (22) is connected to the fixing rod (26) with an internal thread sleeve, and the fixing rod (26) has an external thread on its outer periphery.

8. The concealed oblique locking tongue adjustment structure according to claim 1, characterized in that: The positioning pin (22) is cylindrical.

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