A rotary latching ejection mechanism
Patent Information
- Application Number
- CN202522159117.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-13
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2035-10-13
AI Technical Summary
[0002]旋转锁闭弹出机构是实现机械部件“锁定、释放、弹出”功能的核心组件，应用十分广泛，然而现有旋转锁闭弹出机构在实际应用中存在以下不足：传统机构多依赖单一锁销或卡扣结构，受振动、冲击等外力影响时易发生意外解锁，尤其在精密设备或移动场景中，可能导致部件脱落或功能失效；解锁过程需人工手动操作或复杂传动，无法实现快速自动化控制；部分机构包含多组齿轮、连杆等传动部件，装配精度要求高，长期使用后易因部件磨损导致卡顿，且拆装维护需专业工具，成本较高
[0012] The beneficial effects of this utility model using the above structure are as follows: the locking pin and locking notch are precisely matched, and combined with the pressing action of the spring plate, the locking pin can stably lock the locking disc in the non-unlocked state, and it is not easy to disengage even under vibration or impact; the two sets of symmetrically arranged lock body systems further improve the overall locking reliability and are suitable for high stability requirements; the unlocking is achieved by using a motor-driven paddle, which has a fast response and a high degree of automation; the torsion spring is directly connected to the locking disc and the chassis, and the elastic force is directly transmitted, which can quickly drive the locking disc to reset after unlocking, and the pop-out action is smooth and without jamming; the spring plate ensures that the locking pin automatically returns to its position, preparing for the next locking without the need for manual adjustment.
Smart Images
Figure CN224769969U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical locking device technology, specifically a rotary locking ejection mechanism. Background Technology
[0002] Rotary locking and ejection mechanisms are core components for realizing the "locking, releasing, and ejection" functions of mechanical parts and are widely used. However, existing rotary locking and ejection mechanisms have the following shortcomings in practical applications: traditional mechanisms mostly rely on a single locking pin or buckle structure, which is prone to accidental unlocking when affected by external forces such as vibration and impact. Especially in precision equipment or mobile scenarios, this may lead to component detachment or functional failure; the unlocking process requires manual operation or complex transmission, and cannot achieve rapid automated control; some mechanisms contain multiple sets of gears, connecting rods and other transmission components, which require high assembly precision. After long-term use, they are prone to jamming due to component wear, and disassembly and maintenance require professional tools, resulting in high costs. Utility Model Content
[0003] In view of the above situation and to overcome the defects of the prior art, this utility model provides a rotary locking and ejection mechanism that is stable in locking, fast in response, simple in structure, reliable in reset and highly adaptable.
[0004] The technical solution adopted by this utility model is as follows: This utility model provides a rotary locking ejection mechanism, including a mounting base and symmetrically arranged...
[0005] Two sets of lock body systems are mounted on the mounting base. Each lock body system includes a locking transmission assembly, a locking control assembly, and a locking pin. The locking transmission assembly includes a transmission column, a locking disc, a base, and a torsion spring. The mounting base has a mounting cavity, and the base is fixed within the mounting cavity. The locking disc is rotatably mounted within the mounting cavity and located above the base. The locking disc has a through-hole shaft at its center and a locking notch. The transmission column is rotatably mounted on the mounting base via a bearing, and its lower end extends into the mounting cavity and passes through the shaft hole. The torsion spring is fixedly connected to the locking disc and sleeved on the transmission column, located inside the locking disc. The two ends of the torsion spring are fixedly connected to the chassis and the locking disc, respectively. The locking pin is movably disposed in the mounting cavity and located on one side of the locking disc. The locking pin can move between the locked position and the released position. When in the locked position, the locking pin is inserted into the locking notch. When in the released position, the locking pin is disengaged from the locking notch. The locking control assembly is mounted on the mounting base and is used to drive the locking pin to move between the locked position and the released position.
[0006] Preferably, the locking control assembly includes a motor, a cylindrical pin, and a paddle. A protective shell is provided inside the mounting cavity, and a sliding cavity is provided inside the protective shell. The cylindrical pin is slidably disposed in the sliding cavity, and the locking pin is fixed to one end of the cylindrical pin. The paddle is sleeved on the cylindrical pin. A first sliding groove communicating with the sliding cavity is provided on the protective shell, and a second sliding groove is provided on the mounting base shell at a position corresponding to the first sliding groove. The paddle passes through the first and second sliding grooves and is slidably disposed in the first and second sliding grooves. The motor is disposed on the mounting base shell, and the top end of the motor contacts the paddle.
[0007] Preferably, the protective shell is provided with a fixed seat, a spring plate is fixed on the fixed seat, and the lever is provided with a protrusion that presses against the spring plate. The spring plate causes the locking pin to tend to move toward the locking disc.
[0008] More preferably, the upper end of the transmission column is located outside the mounting base shell and has a spiral groove thereon for receiving external rotational force.
[0009] More preferably, the mounting base shell is composed of a cover and a cover plate fixed together by a first bolt.
[0010] More preferably, the protective shell consists of an upper cover and a lower cover that are fixed together by a second bolt.
[0011] More preferably, the mounting base shell is U-shaped.
[0012] The beneficial effects of this utility model using the above structure are as follows: the locking pin and locking notch are precisely matched, and combined with the pressing action of the spring plate, the locking pin can stably lock the locking disc in the non-unlocked state, and it is not easy to disengage even under vibration or impact; the two sets of symmetrically arranged lock body systems further improve the overall locking reliability and are suitable for high stability requirements; the unlocking is achieved by using a motor-driven paddle, which has a fast response and a high degree of automation; the torsion spring is directly connected to the locking disc and the chassis, and the elastic force is directly transmitted, which can quickly drive the locking disc to reset after unlocking, and the pop-out action is smooth and without jamming; the spring plate ensures that the locking pin automatically returns to its position, preparing for the next locking without the need for manual adjustment. Attached Figure Description
[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0014] Figure 1 This is a perspective view of an embodiment of the present utility model;
[0015] Figure 2 This is a schematic diagram of the structure of this utility model without the cover and top cover;
[0016] Figure 3 This is a front view of an embodiment of the present utility model;
[0017] Figure 4 This is a left view of an embodiment of the present utility model;
[0018] Figure 5 This is a top view of an embodiment of the present utility model;
[0019] Figure 6 for Figure 3 A sectional view along section AA;
[0020] Figure 7 for Figure 6 A sectional view along section BB.
[0021] Figure 8 for Figure 6 Enlarged view of section A.
[0022] The components include: 1. Mounting base; 2. Locking transmission assembly; 3. Locking control assembly; 4. Locking pin; 5. Protective shell; 11. Second slide groove; 12. Cover; 13. Cover plate; 21. Transmission column; 22. Locking disc; 23. Chassis; 24. Torsion spring; 31. Motor; 32. Cylindrical pin; 33. Paddle; 34. Fixed seat; 35. Spring plate; 51. Sliding cavity; 52. First slide groove; 53. Upper cover; 54. Lower cover; 211. Spiral groove; 221. Locking notch; 331. Protrusion. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., 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.
[0025] like Figures 1-8As shown, the present invention discloses a rotary locking ejection mechanism, including a mounting base 1 and two sets of lock body systems symmetrically arranged on the mounting base 1. The lock body system includes a locking transmission assembly 2, a locking control assembly 3, and a locking pin 4. The mounting base 1 is U-shaped. The mounting base 1 is composed of a cover 12 and a cover plate 13 that are fixed together by a first bolt.
[0026] The locking transmission assembly 2 includes a transmission column 21, a locking disc 22, a chassis 23, and a torsion spring 24. The mounting base 1 has a mounting cavity, and the chassis 23 is fixed in the mounting cavity. The locking disc 22 is rotatably mounted in the mounting cavity and located above the chassis 23. The locking disc 22 has a through shaft hole in its center and a locking notch 221 on its surface. The transmission column 21 is rotatably mounted on the mounting base 1 via a bearing. The lower end of the transmission column 21 extends into the mounting cavity, passes through the shaft hole, and is fixedly connected to the locking disc 22. The torsion spring 24 is sleeved on the transmission column 21 and located inside the locking disc 22. The two ends of the torsion spring 24 are fixedly connected to the chassis 23 and the locking disc 22, respectively. The upper end of the transmission column 21 is located outside the mounting base 1 and has a spiral groove 211 on it for receiving external rotational force.
[0027] The locking pin 4 is movably disposed within the mounting cavity and located on one side of the locking disc 22. The locking pin 4 can move between a locked position and a released position. When in the locked position, the locking pin 4 is inserted into the locking notch 221; when in the released position, the locking pin 4 disengages from the locking notch 221. The locking control assembly 3 is mounted on the mounting base 1 and is used to drive the locking pin 4 between the locked and released positions. The locking control assembly 3 includes a motor 31, a cylindrical pin 32, and a lever 33. A protective shell 5 is provided within the mounting cavity. The protective shell 5 consists of an upper cover 53 and a lower cover 54 fixed together by a second bolt. A sliding cavity 51 is provided within the protective shell 5, and the cylindrical pin 32 is slidably disposed within the sliding cavity 51. The locking pin 4 is fixed to one end of the cylindrical pin 32, and the paddle 33 is sleeved on the cylindrical pin 32. The protective shell 5 is provided with a first sliding groove 52 that communicates with the sliding cavity 51. The mounting base shell 1 is provided with a second sliding groove 11 at a position corresponding to the first sliding groove 52. The paddle 33 passes through the first sliding groove 52 and the second sliding groove 11 and slides in the first sliding groove 52 and the second sliding groove 11. The motor 31 is provided on the mounting base shell 1, and the top end of the motor 31 contacts the paddle 33. The protective shell 5 is provided with a fixed seat 34, and a spring plate 35 is fixed on the fixed seat 34. The paddle 33 is provided with a protrusion 331 that presses against the spring plate 35. The spring plate 35 makes the locking pin 4 tend to move toward the locking disc 22.
[0028] In practical use, the locking mechanism must first have a horizontal cylindrical structure. When locking, the cylindrical structure is inserted into the spiral groove 211 and moved within the spiral groove 211. During the movement of the cylindrical structure, the transmission column 21 will rotate, which in turn will drive the locking disc 22 to rotate synchronously, causing the torsion spring 24 to be torsion. When the locking disc 22 rotates, the locking pin 4 moves along the outer edge of the locking disc 22. At this time, the spring plate 35 is compressed. When the locking notch 221 rotates to the position of the locking pin 4, the spring plate 35 pushes the locking pin 4 into the locking notch 221 with elastic force, and the locking disc 22 is locked. At this time, the torsion spring 24 deforms and accumulates elastic force.
[0029] During unlocking, the motor 31 starts, and the top end pushes the lever 33 to slide along the first slide groove 52 and the second slide groove 11. The lever 33 drives the cylindrical pin 32 and the locking pin 4 to move away from the locking disc 22, and the locking pin 4 disengages from the locking notch 221. The torsion spring 24 releases the stored elastic force, drives the locking disc 22 to rotate in the opposite direction, and then drives the transmission column 21 to rotate in the opposite direction to achieve unlocking. The top end of the motor 31 is reset, and the spring plate 35 pushes the lever 33 and the locking pin 4 back to their original positions, waiting for the next locking.
[0030] In summary, the locking pin 4 and the locking notch 221 work precisely together, and with the pressing action of the spring plate 35, the locking pin 4 can stably lock the locking disc 22 in the non-unlocked state, and it is not easy to disengage even under vibration or impact. The two sets of symmetrically arranged lock body systems further improve the overall locking reliability and are suitable for high stability requirements. The motor 31 drives the lever 33 to achieve unlocking, which is fast and highly automated. The torsion spring 24 is directly connected to the locking disc 22 and the chassis 23, and the elastic force is directly transmitted. After unlocking, it can quickly drive the locking disc 22 to reset, and the pop-out action is smooth and without jamming. The spring plate 35 ensures that the locking pin 4 automatically returns to its original position, preparing for the next locking without the need for manual adjustment.
[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0033] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A rotary locking ejection mechanism, comprising a mounting base (1) and two sets of lock body systems symmetrically arranged on the mounting base (1), characterized in that: The lock body system includes a locking transmission assembly (2), a locking control assembly (3), and a locking pin (4). The locking transmission assembly (2) includes a transmission column (21), a locking disc (22), a chassis (23), and a torsion spring (24). The mounting base (1) has a mounting cavity. The chassis (23) is fixed in the mounting cavity. The locking disc (22) is rotatably mounted in the mounting cavity and located above the chassis (23). The locking disc (22) has a through-hole at its center. The shaft hole is provided, and the locking disc (22) is provided with a locking notch (221). The transmission column (21) is rotatably mounted on the mounting base (1) through the bearing. The lower end of the transmission column (21) extends into the mounting cavity and passes through the shaft hole and is fixedly connected to the locking disc (22). The torsion spring (24) is sleeved on the transmission column (21) and located in the locking disc (22). The two ends of the torsion spring (24) are fixedly connected to the chassis (23) and the locking disc (22) respectively. The locking pin (4) is movably disposed in the mounting cavity and located on one side of the locking disc (22). The locking pin (4) can move between the locked position and the released position. When it is in the locked position, the locking pin (4) is inserted into the locking notch (221). When it is in the released position, the locking pin (4) is disengaged from the locking notch (221). The locking control assembly (3) is mounted on the mounting base (1) and is used to drive the locking pin (4) to move between the locked position and the released position.
2. The rotary locking ejection mechanism according to claim 1, characterized in that: The locking control assembly (3) includes a motor (31), a cylindrical pin (32), and a paddle (33). A protective shell (5) is provided inside the mounting cavity. A sliding cavity (51) is provided inside the protective shell (5). The cylindrical pin (32) is slidably disposed in the sliding cavity (51). The locking pin (4) is fixed to one end of the cylindrical pin (32). The paddle (33) is sleeved on the cylindrical pin (32). A first sliding groove (52) communicating with the sliding cavity (51) is provided on the protective shell (5). A second sliding groove (11) is provided on the mounting base (1) at a position corresponding to the first sliding groove (52). The paddle (33) passes through the first sliding groove (52) and the second sliding groove (11) and is slidably disposed in the first sliding groove (52) and the second sliding groove (11). The motor (31) is disposed on the mounting base (1). The protruding end of the motor (31) is in contact with the paddle (33).
3. The rotary locking ejection mechanism according to claim 2, characterized in that: The protective shell (5) is provided with a fixed seat (34), and a spring plate (35) is fixed on the fixed seat (34). The lever (33) is provided with a protrusion (331) that presses against the spring plate (35). The spring plate (35) causes the locking pin (4) to tend to move toward the locking disc (22).
4. The rotary locking ejection mechanism according to claim 1, characterized in that: The upper end of the transmission column (21) is located outside the mounting base shell (1) and has a spiral groove (211) for receiving external rotational force.
5. The rotary locking ejection mechanism according to claim 1, characterized in that: The mounting base (1) consists of a cover (12) and a cover plate (13) that are fixed together by a first bolt.
6. The rotary locking ejection mechanism according to claim 2, characterized in that: The protective shell (5) consists of an upper cover (53) and a lower cover (54) that are fixed together by a second bolt.
7. The rotary locking ejection mechanism according to claim 1, characterized in that: The mounting base (1) is U-shaped.