Rotary bolt lock
By introducing the meshing mechanism and lubrication holes of the gear and rack into the pin lock, the problem of easy deformation or disconnection and rust of the transmission rod is solved, and a more stable and durable lock is achieved.
Patent Information
- Application Number
- CN202421786678.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The transmission rod of the existing pin lock is prone to deform or disconnection, resulting in unstable use of the lock, and the internal transmission is prone to rust, affecting use.
A rotating latch lock is designed, and by setting the meshing mechanism of the gear and rack, the insertion rod is locked and unlocked through the gear drive, increasing the stability of the mechanism, and preventing rust through the lubricating hole and sealing structure.
This design improves the service life of the latch lock, ensures the stability and durability of the lock, and avoids the difficulty of using traditional locks due to rust.
Smart Images
Figure CN222879458U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of latch locks, and more specifically, to a rotating latch lock. Background Art
[0002] The latch lock is an anti-theft component that prevents doors and windows from being opened from the outside. Modern door and window latches are generally made of metal, while the ancient door and window latches were made of wood. The latch is generally divided into two parts, one with a movable rod and the other with a latch hole, also called the latch "nose". The rotating latch lock is also a type of latch lock. It generally uses a button to move the transmission rod to move the insertion rod to achieve the locking effect. However, due to the thin transmission rod, this transmission method is prone to deformation or even disconnection after long-term use, affecting the normal use of the latch lock; and most locks are integrated settings. After long-term use, the internal transmission parts will inevitably rust, making the lock more difficult to use. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] In view of the problems existing in the prior art, the utility model provides a rotating latch lock to solve the technical problem mentioned in the background technology that the transmission rod of this transmission mode is relatively thin and is prone to deformation or even breakage after long-term use, thus affecting the normal use of the latch lock.
[0005] (II) Technical solution
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary latch lock comprises a first shell, a sliding block is slidably provided inside the first shell, an insertion rod is fixedly provided on the outer wall of the sliding block and on both upper and lower sides, an extension hole is correspondingly opened on the outer wall of the first shell, the insertion rod is located inside the extension hole, a guide block is fixedly provided on the upper and lower end surfaces of the sliding block, a guide groove is correspondingly opened on the inner wall of the first shell, the guide block is slidably installed with the guide groove, a transmission cavity is opened inside the first shell and at the upper end, a connecting shaft is rotatably provided inside the transmission cavity, a gear is provided on the outer wall of the connecting shaft, a rack is fixedly provided on the upper end surface of the guide block, the gear is meshed with the rack, one end of the connecting shaft passes through the first shell and is provided with a knob, a second shell is provided on the other side of the first shell, a slot is correspondingly opened on the outer wall of the second shell, the insertion rod is located inside the slot, a lubrication hole is opened on the upper end surface of the first shell, and the lubrication hole is located at the upper end of the gear.
[0007] The utility model is further configured such that a blocking column is provided inside the lubrication hole, the blocking column is threadedly connected to the lubrication hole, a clamping block is fixedly provided on the upper end surface of the blocking column, and a twisting block is fixedly provided on the upper end surface of the clamping block, so as to facilitate lubrication of the meshing position of the gear and the rack.
[0008] The utility model is further configured such that a sealing ring is fixedly provided on the lower end face of the clamping block, a sealing groove is provided on the outer end of the lubrication hole and on the upper end face of the first shell, and the sealing ring is located inside the sealing groove to increase the sealing between the clamping block and the first shell.
[0009] The utility model is further configured such that a cylindrical hole is provided on the upper end surface of the second shell, a through hole is provided at the bottom of the cylindrical hole, the through hole is connected to the slot, and a positioning pin is slidably provided inside the through hole, a positioning groove is correspondingly provided on the outer wall of the insertion rod, and the lower end of the positioning pin is located inside the positioning groove, so as to facilitate fixing the insertion rod.
[0010] The utility model is further configured such that a columnar block is fixedly provided at the upper end of the locating pin and located inside the cylindrical hole, a first spring is fixedly provided on the lower end face of the columnar block, the other end of the first spring is fixedly connected to the bottom of the cylindrical hole, and a pull ring is fixedly provided on the upper end face of the columnar block to facilitate pushing the locating pin into the locating groove.
[0011] The utility model is further configured such that the lower end of the positioning pin is configured to be inclined, so as to facilitate the insertion rod to slide and enter the slot.
[0012] The utility model is further configured such that guide holes are provided on one side of the sliding block and on both the upper and lower sides, and a guide column is correspondingly provided on the inner wall of the first shell. The guide column is slidably installed with the guide hole to facilitate guiding the sliding block.
[0013] The utility model is further configured that a second spring is fixedly provided at the outer end of the guide column and located on the inner wall of the first shell, and the other end of the second spring is fixedly connected to the sliding block, so as to facilitate the connection between the sliding block and the first shell.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the utility model provides a rotary latch lock, which has the following beneficial effects:
[0016] 1. By setting a first shell, a sliding block, an insertion rod, an extension hole, a guide block, a guide groove, a transmission chamber, a connecting shaft, a gear, a rack and a knob, the user can turn the knob to make the connecting shaft drive the gear to rotate, and the gear will drive the rack and the sliding block to move, so that the insertion rod extends through the extension hole and enters the slot on the second shell to achieve a locking effect. The position of the insertion rod can be adjusted by setting the rack and the gear, and the mechanism is not easy to be damaged and is relatively stable, thereby increasing the service life of the device.
[0017] 2. By setting lubrication holes, sealing columns, clamping blocks, twisting blocks, sealing rings and sealing grooves, when the device needs to be regularly maintained, the clamping blocks and sealing columns can be disassembled by twisting the blocks first, and then the lubricating oil can be poured into the lubrication holes to lubricate the meshing positions of the gears and racks to prevent rust problems that affect normal use.
[0018] 3. By setting a cylindrical hole, a through hole, a locating pin, a locating groove, a cylindrical block, a first spring and a pull ring, when the insertion rod enters the slot, the first spring will give the locating pin a downward pulling force so that the lower end of the locating pin enters the locating groove on the insertion rod, thereby fixing the insertion rod to prevent it from falling out. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is an overall schematic diagram of a rotary latch lock when it is not in use;
[0020] Figure 2 It is a schematic diagram of the installation of components inside the first shell;
[0021] Figure 3 is an overall cross-sectional view of a rotary latch lock;
[0022] Figure 4 for Figure 3 A partial schematic diagram of the middle A area;
[0023] Figure 5 This is a schematic diagram of the positions of the cylindrical block, the first spring, and the pull ring on the positioning pin.
[0024] In the figure: 1. first shell; 2. sliding block; 3. plug rod; 4. extension hole; 5. guide block; 6. guide groove; 7. transmission chamber; 8. connecting shaft; 9. gear; 10. rack; 11. knob; 12. second shell; 13. slot; 14. lubrication hole; 15. blocking column; 16. pressing block; 17. twisting block; 18. sealing ring; 19. sealing groove; 20. cylindrical hole; 21. through hole; 22. positioning pin; 23. positioning groove; 24. cylindrical block; 25. first spring; 26. pull ring; 27. guide hole; 28. guide column; 29. second spring. DETAILED DESCRIPTION
[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.
[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.
[0028] See also Figure 1-5 A rotary latch lock comprises a first shell 1, a sliding block 2 is slidably provided inside the first shell 1, a plug rod 3 is fixedly provided on the outer wall of the sliding block 2 and on both upper and lower sides, a projection hole 4 is correspondingly opened on the outer wall of the first shell 1, the plug rod 3 is located inside the projection hole 4, a guide block 5 is fixedly provided on the upper and lower end surfaces of the sliding block 2, a guide groove 6 is correspondingly opened on the inner wall of the first shell 1, the guide block 5 is slidably installed with the guide groove 6, a transmission cavity 7 is opened inside the first shell 1 and located at the upper end, a connecting shaft 8 is rotatably provided inside the transmission cavity 7, a gear 9 is provided on the outer wall of the connecting shaft 8, a rack 10 is fixedly provided on the upper end surface of the guide block 5, the gear 9 is meshed with the rack 10, one end of the connecting shaft 8 passes through the first shell 1 and is provided with a knob 11, a second shell 12 is provided on the other side of the first shell 1, a slot 13 is correspondingly opened on the outer wall of the second shell 12, the plug rod 3 is located inside the slot 13, a lubrication hole 14 is opened on the upper end surface of the first shell 1, and the lubrication hole 14 is located at the upper end of the gear 9.
[0029] In this embodiment, a sealing column 15 is provided inside the lubrication hole 14, and the sealing column 15 is threadedly connected to the lubrication hole 14. A clamping block 16 is fixedly provided on the upper end surface of the sealing column 15, a twisting block 17 is fixedly provided on the upper end surface of the clamping block 16, and a sealing ring 18 is fixedly provided on the lower end surface of the clamping block 16. A sealing groove 19 is provided at the outer end of the lubrication hole 14 and on the upper end surface of the first shell 1, and the sealing ring 18 is located inside the sealing groove 19.
[0030] More specifically, the user can turn the knob 11 to make the connecting shaft 8 drive the gear 9 to rotate. At this time, the gear 9 will drive the rack 10 and the sliding block 2 to move, so that the insertion rod 3 extends out through the extension hole 4 and enters the slot 13 on the second shell 12 to achieve the locking effect. When the device needs to be maintained regularly, the clamping block 16 and the blocking column 15 can be disassembled by twisting the block 17, and then the lubricating oil can be poured into the lubrication hole 14 to lubricate the meshing position of the gear 9 and the rack 10 to prevent rust problems and affect normal use.
[0031] See also Figure 4 and Figure 5 As an implementation method for fixing the insertion rod 3: a cylindrical hole 20 is provided on the upper end surface of the second shell 12, a through hole 21 is provided at the bottom of the cylindrical hole 20, the through hole 21 is connected to the slot 13, and a positioning pin 22 is slidably provided inside the through hole 21, a positioning groove 23 is correspondingly provided on the outer wall of the insertion rod 3, the lower end of the positioning pin 22 is located inside the positioning groove 23, a cylindrical block 24 is fixedly provided on the upper end of the positioning pin 22 and located inside the cylindrical hole 20, a first spring 25 is fixedly provided on the lower end surface of the cylindrical block 24, the other end of the first spring 25 is fixedly connected to the bottom of the cylindrical hole 20, a pull ring 26 is fixedly provided on the upper end surface of the cylindrical block 24, and the lower end of the positioning pin 22 is arranged in an inclined shape.
[0032] Specifically, when the insertion rod 3 enters the slot 13, the first spring 25 will give a downward pulling force to the positioning pin 22, so that the lower end of the positioning pin 22 enters the positioning groove 23 on the insertion rod 3, thereby fixing the insertion rod 3 to prevent it from falling out.
[0033] Please refer to Figure 2 and Figure 3 As a further implementation method for guiding the sliding block 2: a guide hole 27 is opened on one side of the sliding block 2 and on both the upper and lower sides, a guide column 28 is correspondingly provided on the inner wall of the first shell 1, the guide column 28 is slidably installed in the guide hole 27, and a second spring 29 is fixedly provided on the outer end of the guide column 28 and located on the inner wall of the first shell 1, and the other end of the second spring 29 is fixedly connected to the sliding block 2.
[0034] Specifically, by providing the guide column 28 and the guide hole 27 , the sliding block 2 can be guided to prevent it from tilting.
[0035] To sum up, when the overall device is in use: the user can turn the knob 11 to make the connecting shaft 8 drive the gear 9 to rotate, and at this time the gear 9 will drive the rack 10 and the sliding block 2 to move, so that the insertion rod 3 extends out through the extension hole 4 and enters the slot 13 on the second shell 12 to achieve the locking effect, and when the insertion rod 3 enters the slot 13, the first spring 25 will give the positioning pin 22 a downward pulling force, so that the lower end of the positioning pin 22 enters the positioning groove 23 on the insertion rod 3, and then fix the insertion rod 3 to prevent it from falling out. When unlocking, pull the pull ring 26 upward to facilitate the removal of the insertion rod 3. When the device needs to be maintained regularly, the pressing block 16 and the blocking column 15 can be disassembled by twisting the block 17, and then the lubricating oil can be poured into the lubrication hole 14 to lubricate the meshing position of the gear 9 and the rack 10 to prevent rust problems and affect normal use.
[0036] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A rotary latch lock, comprising a first housing (1), characterized in that: A sliding block (2) is slidably provided inside the first shell (1), and an insertion rod (3) is fixedly provided on the outer wall of the sliding block (2) and located on both upper and lower sides. A corresponding extension hole (4) is provided on the outer wall of the first shell (1), and the insertion rod (3) is located inside the extension hole (4). A guide block (5) is fixedly provided on both upper and lower end surfaces of the sliding block (2), and a guide groove (6) is correspondingly provided on the inner wall of the first shell (1). The guide block (5) is slidably mounted on the guide groove (6). A transmission cavity (7) is provided inside the first shell (1) and located at the upper end, and a rotationally provided inner portion of the transmission cavity (7) is provided. A connecting shaft (8), a gear (9) is provided on the outer wall of the connecting shaft (8), a rack (10) is fixedly provided on the upper end surface of the guide block (5), the gear (9) meshing with the rack (10), one end of the connecting shaft (8) passes through the first shell (1) and is provided with a knob (11), the other side of the first shell (1) is provided with a second shell (12), a slot (13) is correspondingly provided on the outer wall of the second shell (12), the insertion rod (3) is located inside the slot (13), and a lubrication hole (14) is provided on the upper end surface of the first shell (1), the lubrication hole (14) is located just above the gear (9).
2. A rotary latch lock according to claim 1, characterized in that: A blocking column (15) is provided inside the lubrication hole (14), the blocking column (15) being threadedly connected to the lubrication hole (14), a clamping block (16) being fixedly provided on the upper end surface of the blocking column (15), and a twisting block (17) being fixedly provided on the upper end surface of the clamping block (16).
3. A rotary latch lock according to claim 2, characterized in that: A sealing ring (18) is fixedly provided on the lower end surface of the pressing block (16), a sealing groove (19) is provided at the outer end of the lubrication hole (14) and located on the upper end surface of the first shell (1), and the sealing ring (18) is located inside the sealing groove (19).
4. A rotary latch lock according to claim 1, characterized in that: The upper end surface of the second shell (12) is provided with a cylindrical hole (20), the bottom of the cylindrical hole (20) is provided with a through hole (21), the through hole (21) is communicated with the slot (13), and a positioning pin (22) is slidably provided inside the through hole (21), and a positioning groove (23) is correspondingly provided on the outer wall of the insertion rod (3), and the lower end of the positioning pin (22) is located inside the positioning groove (23).
5. A rotary latch lock according to claim 4, characterized in that: A columnar block (24) is fixedly provided at the upper end of the positioning pin (22) and located inside the columnar hole (20); a first spring (25) is fixedly provided on the lower end surface of the columnar block (24); the other end of the first spring (25) is fixedly connected to the bottom of the columnar hole (20); and a pull ring (26) is fixedly provided on the upper end surface of the columnar block (24).
6. A rotary latch lock according to claim 4, characterized in that: The lower end of the positioning pin (22) is arranged in an inclined shape.
7. A rotary latch lock according to claim 2, characterized in that: A guide hole (27) is provided on one side of the sliding block (2) and on both the upper and lower sides. A guide column (28) is correspondingly provided on the inner wall of the first shell (1). The guide column (28) is slidably mounted with the guide hole (27).
8. A rotary latch lock according to claim 7, characterized in that: A second spring (29) is fixedly provided at the outer end of the guide column (28) and located on the inner wall of the first housing (1), and the other end of the second spring (29) is fixedly connected to the sliding block (2).