Rotary self-locking mechanism

Abstract

The utility model discloses a rotary self-locking mechanism which comprises a fixed base and a movable base, a hollow fixed base matching groove is formed in the edge of the fixed base, and a fixed base rotating shaft hole is formed in the top face of the fixed base. The movable base is matched with the rotating shaft hole of the fixed base through the rotating fastening assembly and can be rotatably fixed in the fixed base matching groove, a locking groove is formed in the position, close to the edge, of the top face of the fixed base, the locking groove is closer to the edge of the top face of the fixed base than the fixed base matching groove, and a locking pin is arranged on the movable base. When the locking pin is clamped in the locking groove, relative locking of the fixed base and the movable base is achieved. The rotary self-locking mechanism is few in overall parts, small in size, easy to assemble, convenient and fast to operate, capable of achieving locking connection of two structural components without additional installation tools, suitable for movable locking of small mechanical structures, capable of effectively shortening the fixing time of a movable mechanism and capable of improving work efficiency.

Description

Technical Field

[0001] The utility model relates to the field of mechanical connectors, in particular to a rotary self-locking mechanism. Background Art

[0002] Nowadays, equipment in various fields has an urgent need for portability and deployment efficiency due to frequent changes in work locations. In order to reduce the transportation volume and simplify the packaging process, it is particularly important to design the various parts of the equipment into a foldable form. Therefore, the rapid locking and deployment of equipment components has become a commonly used strategy in the design of such equipment.

[0003] Considering the characteristics of the equipment in the actual use environment, the deployment and locking process of the equipment is required to be simple and quick, and to minimize the reliance on auxiliary tools. However, most of the existing quick locking mechanisms have complex structures, which makes assembly and subsequent maintenance difficult. Some locking mechanisms are not convenient to operate, resulting in a long deployment time for the equipment. Utility Model Content

[0004] The purpose of the utility model is to solve the problems of complex locking mechanism structure, difficult assembly and maintenance, and inconvenient manufacturing in the prior art, to achieve rapid locking of equipment components, and to reduce equipment deployment time, and to provide a rotating self-locking mechanism.

[0005] In order to solve the technical problem, the technical solution of the utility model is: a rotating self-locking mechanism, comprising a fixed base and a movable base, a hollow fixed base matching groove is opened at the edge of the fixed base, a fixed base rotating shaft hole is opened on the top surface of the fixed base, the movable base can be rotatably fixed in the fixed base matching groove by rotating the fastening assembly and cooperating with the fixed base rotating shaft hole, a locking groove is opened on the top surface of the fixed base near the edge, the locking groove is closer to the edge of the top surface of the fixed base than the fixed base matching groove, a locking pin is provided on the movable base, and when the locking pin is stuck in the locking groove, relative locking of the fixed base and the movable base is achieved.

[0006] Preferably, the movable base is provided with a movable base rotation hole which passes through from top to bottom, a rotating shaft is provided in the movable base rotation hole, and the rotating fastening assembly includes a first fastening bolt which passes through the fixed base rotating shaft hole and the rotating shaft in sequence to connect the fixed base and the movable base.

[0007] Preferably, a limiting groove matched with the locking pin is provided in the movable base, a locking pin is provided in the limiting groove, a protruding part of the locking pin passes through the limiting groove and is exposed, a spring is also provided in the locking pin, and a spring pressure cover is also provided at the bottom of the spring, a first threaded hole and a second threaded hole are opened on both sides of the limiting groove on the movable base, a second fastening bolt is provided in the first threaded hole, a third fastening bolt is provided in the second threaded hole, the second fastening bolt passes through the spring pressure cover and is arranged on the first threaded hole, and the third fastening bolt passes through the spring pressure cover and is arranged on the second threaded hole.

[0008] Preferably, the axis of the central hole of the rotating shaft and the axis of the rotating shaft hole of the fixed base are in a straight line.

[0009] Preferably, the top edge of the fixed base having a fixed base matching groove is arc-shaped, the bottom edge of the fixed base having a fixed base matching groove is an arc right angle, the spring pressure cover is rhombus-shaped, and the rotating shaft is cylindrical.

[0010] Compared with the prior art, the advantages of the utility model are:

[0011] The utility model discloses a rotating self-locking mechanism, which rotates the movable base in the matching groove of the fixed base, and when the locking pin of the movable base and the locking groove of the fixed base coincide, the spring pops out, and the locking pin is stuck in the locking hole to realize self-locking connection, thereby realizing the locking of the two components of the equipment. The utility model has the advantages of simple assembly, small size, convenient use and convenient operation, and can realize the locking connection of the two structural components without the need for additional installation tools. It is suitable for the active locking of small mechanical structures, effectively reduces the use of auxiliary tools and the deployment time of equipment, and realizes the rapid locking of equipment components. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 , a schematic diagram of the overall structure of a rotary self-locking mechanism of the utility model;

[0013] Figure 2 , a schematic diagram of the structure of a movable base of a rotary self-locking mechanism of the utility model;

[0014] Figure 3 , a schematic diagram of the locking state of a rotating self-locking mechanism of the utility model.

[0015] Description of reference numerals:

[0016] 1. Fixed base, 2. Locking pin, 3. Three-station head storage trolley, 4. Spring pressure cover, 5. Rotating shaft, 6. Movable base, 7. Second fastening bolt, 8. Third fastening bolt, 9. First fastening bolt, 10. Rotating hole of movable base, 11. Matching groove of fixed base, 12. Locking groove, 13. Rotating shaft hole of fixed base, 14. Limiting groove, 15. Second threaded hole, 16. First threaded hole. DETAILED DESCRIPTION

[0017] The following describes the specific implementation of the utility model in conjunction with embodiments:

[0018] It should be noted that the structures, proportions, sizes, etc. shown in this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Example 1

[0020] like Figure 1-Figure 3 As shown, a rotary self-locking mechanism comprises a fixed base 1 and a movable base 6, wherein a hollow fixed base matching groove 11 is provided at the edge of the fixed base 1, a fixed base rotating shaft hole 13 is provided on the top surface of the fixed base 1, and the movable base 6 can be rotatably fixed in the fixed base matching groove 11 by matching with the fixed base rotating shaft hole 13 through a rotating fastening component, a locking groove 12 is provided on the top surface of the fixed base 1 near the edge, and the locking groove 12 is closer to the edge of the top surface of the fixed base 1 than the fixed base matching groove 11, and a locking pin 2 is provided on the movable base 6, and when the locking pin 2 is stuck in the locking groove 12, relative locking of the fixed base 1 and the movable base 6 is achieved.

[0021] The movable base and the fixed base are rotationally limited by the contour surface in the fixed base matching groove to ensure the accuracy of the relative position of the two, thereby ensuring the mutual cooperation between the fixed base locking groove and the movable base locking pin to prevent misalignment.

[0022] Example 2

[0023] Preferably, the movable base 6 is provided with a movable base rotation hole 10 which passes through from top to bottom, and a rotating shaft 5 is provided in the movable base rotation hole 10. The rotating fastening assembly includes a first fastening bolt 9, which passes through the fixed base rotating shaft hole 13 and the rotating shaft 5 in sequence to connect the fixed base 1 and the movable base 6.

[0024] The first fastening bolt passes through the center hole of the rotating shaft and is installed on the fixed base. The movable base is limited by assembling the first fastening bolt to the rotating shaft and the fixed base to prevent the movable base from escaping from the locking groove of the fixed base or failing to realize its own rotational movement.

[0025] Preferably, a limiting groove 14 adapted to the locking pin 2 is provided in the movable base 6, a locking pin 2 is provided in the limiting groove 14, a protruding part of the locking pin 2 passes through the limiting groove 14 and is exposed, a spring 3 is also provided in the locking pin 2, a spring pressure cover 4 is also provided at the bottom of the spring 3, a first threaded hole 16 and a second threaded hole 15 are opened on both sides of the limiting groove 14 on the movable base 6, a second fastening bolt 7 is provided in the first threaded hole 16, a third fastening bolt 8 is provided in the second threaded hole 15, the second fastening bolt 7 passes through the spring pressure cover 4 and is arranged on the first threaded hole 16, and the third fastening bolt 8 passes through the spring pressure cover 4 and is arranged on the second threaded hole 15.

[0026] The second fastening bolt and the third fastening bolt are installed on the spring pressure cover, and the spring pressure cover is limitedly locked by assembling the second fastening bolt and the third fastening bolt on the spring pressure cover and the movable base to prevent the locking pin, the spring, the spring pressure cover and the movable base from detaching.

[0027] The movable base 6 rotates relative to the fixed base 1 in the matching groove 11 of the fixed base. When the centers of the locking pin 2 on the movable base 6 and the locking groove 12 on the fixed base 1 coincide, the spring 3 installed on the movable base 6 automatically pushes out the locking pin 2 and combines with the locking groove 12 of the fixed base 1 to achieve relative locking of the movable base 6 and the fixed base 1.

[0028] Preferably, the axis of the center hole of the rotating shaft 5 and the axis of the rotating shaft hole 13 of the fixed base are in a straight line.

[0029] The axis of the central hole of the rotating shaft is colinear with the axis of the rotating shaft hole of the fixed base to ensure the coaxiality during the installation process.

[0030] The self-locking mechanism is made of metal material.

[0031] The top edge of the fixed base 1 having the fixed base matching groove 11 is arc-shaped, the bottom edge of the fixed base 1 having the fixed base matching groove 11 is arc right angle, the spring pressure cover 4 is rhombus-shaped, and the rotating shaft 5 is cylindrical.

[0032] The working principle of the utility model is as follows:

[0033] like Figure 1-3As shown, the utility model discloses a rotating self-locking mechanism, a fixed base matching groove and a locking groove are provided on the fixed base, the movable base is sequentially connected with the locking pin, the spring, and the spring pressure cover through the second fastening bolt and the third fastening bolt, and then assembled with the rotating shaft, the assembled movable base is combined with the fixed base matching groove as a whole, and the fixed base and the movable base are connected by passing the first fastening bolt through the fixed base rotating shaft hole and the rotating shaft. When the utility model is used, the assembled movable base is rotated in the fixed base matching groove, at which time the spring and the locking pin in the movable base are in a compressed state, and when the locking pin of the movable base and the locking groove of the fixed base coincide, the spring pops out, and the locking pin and the locking hole can realize self-locking connection, thereby realizing the locking of the two components of the device.

[0034] The utility model discloses a rotary self-locking mechanism with few overall parts, small size, simple assembly, convenient operation, and can realize the locking connection of two structural parts without the need for additional installation tools. It is suitable for the active locking of small mechanical structures, can effectively reduce the fixing time of the active mechanism, and improves work efficiency.

[0035] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention.

[0036] Many other changes and modifications can be made without departing from the concept and scope of the utility model. It should be understood that the utility model is not limited to a specific embodiment, and the scope of the utility model is defined by the appended claims.

Claims

1. A rotary self-locking mechanism, characterized in that: The invention comprises a fixed base (1) and a movable base (6), wherein a hollow fixed base matching groove (11) is provided at the edge of the fixed base (1), a fixed base rotating shaft hole (13) is provided on the top surface of the fixed base (1), and the movable base (6) can be rotatably fixed in the fixed base matching groove (11) by matching with the fixed base rotating shaft hole (13) through a rotating fastening component, and a locking groove (12) is provided on the top surface of the fixed base (1) near the edge, and the locking groove (12) is closer to the edge of the top surface of the fixed base (1) than the fixed base matching groove (11), and a locking pin (2) is provided on the movable base (6), and when the locking pin (2) is stuck in the locking groove (12), relative locking of the fixed base (1) and the movable base (6) is achieved.

2. A rotary self-locking mechanism according to claim 1, characterized in that: The movable base (6) is provided with a movable base rotating hole (10) which passes through the movable base rotating hole (10), and a rotating shaft (5) is arranged in the movable base rotating hole (10). The rotating fastening assembly comprises a first fastening bolt (9), and the first fastening bolt (9) passes through the fixed base rotating shaft hole (13) and the rotating shaft (5) in sequence to connect the fixed base (1) and the movable base (6).

3. A rotary self-locking mechanism according to claim 1, characterized in that: The movable base (6) is provided with a limiting groove (14) matched with the locking pin (2), the limiting groove (14) is provided with the locking pin (2), the protruding part of the locking pin (2) passes through the limiting groove (14) and is exposed, the locking pin (2) is also provided with a spring (3), the bottom of the spring (3) is also provided with a spring pressure cover (4), the limiting groove (14) on the movable base (6) is provided with a first threaded hole (16) and a second threaded hole (15) on both sides, the first threaded hole (16) is provided with a second fastening bolt (7), the second threaded hole (15) is provided with a third fastening bolt (8), the second fastening bolt (7) passes through the spring pressure cover (4) and is arranged on the first threaded hole (16), and the third fastening bolt (8) passes through the spring pressure cover (4) and is arranged on the second threaded hole (15).

4. A rotary self-locking mechanism according to claim 1, characterized in that: The axis of the central hole of the rotating shaft (5) and the axis of the rotating shaft hole (13) of the fixed base are on a straight line.

5. A rotary self-locking mechanism according to claim 1, characterized in that: The fixed base (1) is provided with a fixed base matching groove (11) whose top edge is arc-shaped, the fixed base (1) is provided with a fixed base matching groove (11) whose bottom edge is an arc right angle, the spring pressure cover (4) is in the shape of a rhombus, and the rotating shaft (5) is in the shape of a cylinder.

Images