CN214699947U - Circumferential locking mechanism, rotating piece and stabilizer - Google Patents

Abstract

The utility model relates to the technical field of stabilizers, in particular to a circumferential locking mechanism, a rotating part and a stabilizer, wherein the circumferential locking mechanism is connected between a first rotating part and a second rotating part which rotate relatively; the circumferential locking mechanism comprises a lock switch in sliding connection with the first rotating part, a lock pin connected with the first rotating part and a lock groove arranged on the second rotating part, and a conversion assembly for converting the left-right movement of the lock switch into the up-down movement of the lock pin is connected between the lock switch and the lock pin; the lock pin is matched with the lock groove, and when the lock pin enters the lock groove, the inner wall of the lock groove is simultaneously subjected to forces from the lock pin in the vertical and horizontal directions. The utility model achieves the locking effect through the contact of the inclined plane or the inclined curved surface, and avoids or reduces the clearance between the lock pin and the lock groove when in locking; in addition, the utility model discloses used part is simple, easily processing, manufacturing cost are lower.

Description

Circumferential locking mechanism, rotating piece and stabilizer

Technical Field

The utility model relates to a technical field of stabilizer, more specifically relates to a circumference locking mechanism, rotating member and stabilizer.

Background

At present, when the balance of a stabilizer or a holder is adjusted, a user usually wants that only one adjusted motor rotating shaft can rotate, and other rotating shafts can be locked fixedly at a specific angle; or when the stabilizer is stored, all the rotating shafts are hopefully locked at a specific angle. However, after the existing rotating shaft positioning lock is locked, a certain gap exists between the positioning pin and the rotor, so that a small moving space exists after the stabilizer is locked. This play can make the lock structure insecure, and the locating pin can be stricken to a small extent, easily damaged.

Chinese patent CN211429106U discloses a motor locking mechanism, wherein the motor includes a first rotating part and a second rotating part which rotate relatively, the first rotating part is provided with a lock pin, the second rotating part is provided with a lock groove matched with the lock pin, and the lock pin is connected with a pushing piece which drives the lock pin to enter the lock groove; when the lock pin enters the lock groove, the lock pin is in contact with two sides of the lock groove along the rotation direction of the motor shaft, and at least one of the side surfaces where the contact part is located is a wedge-shaped surface, so that the wedge-shaped surfaces are matched to eliminate the clearance of the motor lock during locking. Although the gap between the motor lock pin and the lock groove is eliminated, the lock pin enters the lock groove by driving the pin base to rotate through the rotating wrench, and the used parts are complex, difficult to process and high in production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a circumference locking mechanism, rotating member and stabilizer, not only can reduce the locking clearance, used part is simple moreover, easily processing, manufacturing cost are lower.

In order to solve the technical problem, the utility model discloses a technical scheme is:

providing a circumferential locking mechanism which is connected between a first rotating part and a second rotating part, wherein the first rotating part and the second rotating part rotate relatively; the circumferential locking mechanism comprises a lock switch in sliding connection with the first rotating part, a lock pin connected with the first rotating part and a lock groove arranged on the second rotating part, and a conversion assembly for converting the left-right movement of the lock switch into the up-down movement of the lock pin is connected between the lock switch and the lock pin; the lock pin is matched with the lock groove, and when the lock pin enters the lock groove, the inner wall of the lock groove is simultaneously subjected to forces from the lock pin in the vertical and horizontal directions.

The circumferential locking mechanism of the utility model pushes the lock switch horizontally, and the lock switch is converted into the vertical movement of the lock pin by the action of the conversion component when moving horizontally, when the lock pin enters the lock groove, the inner wall of the lock groove is simultaneously stressed by the vertical and horizontal forces from the lock pin, and the locking effect is achieved by the contact of at least one inclined plane or inclined curved surface, so that the clearance between the lock pin and the lock groove during locking is avoided or reduced; in addition, the utility model discloses used part is simple, easily processing, manufacturing cost are lower.

Furthermore, first spout has been seted up to first rotation portion circumference, lock switch and first spout sliding connection.

Further, first rotation portion is connected with the locating part, the one end of locating part stretches into first spout, the lock switch is equipped with the spacing groove with locating part sliding connection.

Furthermore, the conversion assembly comprises a guide piece connected to the lock pin and a guide groove arranged on the lock switch, the guide piece penetrates through the outer wall of the first rotating part and is in sliding connection with the guide groove, and a height difference is arranged between two end parts of the guide groove.

Furthermore, the outer wall of the first rotating part is provided with a guide hole, the guide piece is connected with the guide hole in a penetrating mode, and the central line of the guide hole is parallel to the central axis of the first rotating part.

Further, the guide way includes first horizontal groove, chute and second horizontal groove, first horizontal groove parallel position in second horizontal groove top and first horizontal groove, second horizontal groove connect respectively in the both ends of chute.

Further, when the guide member moves from the end of the first horizontal groove to the end of the second horizontal groove, the guide member moves from one end of the guide hole to the other end of the guide hole, and the height difference between the first horizontal groove and the second horizontal groove is equal to the moving stroke of the guide member in the guide hole.

Furthermore, the lock pin comprises a lock seat and a lock head connected to one end of the lock seat, the first rotating part is provided with a second sliding groove for accommodating the lock pin to slide, no gap or a micro gap is formed between the outer wall surface of the lock seat and the wall surface of the second sliding groove, and a spring is connected between the lock seat and the wall surface of the second sliding groove.

Furthermore, the lock head is of a round table structure or a prismatic table structure, the cross-sectional area of the round table structure or the prismatic table structure is gradually reduced from the lock head to the direction of the lock groove, and the lock groove is one of a wedge-shaped groove, a circular groove or a runway-shaped groove, the inner wall surface of the wedge-shaped groove or the circular groove or the runway-shaped groove can be matched with the outer wall surface of the lock head.

The utility model also provides a rotating member, including first rotation portion, second rotation portion and as before circumference locking mechanism.

The utility model also provides a stabilizer, including at least one motor, the motor includes first rotation portion, second rotation portion and as before circumference locking mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

the circumferential locking mechanism, the rotating piece and the stabilizer of the utility model achieve the locking effect through the contact of the inclined plane or the inclined curved surface, and avoid or reduce the clearance between the lock pin and the lock groove when in locking; in addition, the utility model discloses used part is simple, easily processing, manufacturing cost are lower.

Drawings

FIG. 1 is an exploded view of a circumferential locking mechanism;

FIG. 2 is a perspective view of the circumferential locking mechanism;

FIG. 3 is a schematic structural diagram I of the circumferential locking mechanism;

FIG. 4 is a schematic structural view II of the circumferential locking mechanism;

FIG. 5 is a schematic view of the lock switch;

FIG. 6 is a schematic view of the locking pin;

FIG. 7 is a schematic structural view of the first rotating part;

FIG. 8 is a schematic structural view of the second rotating part;

in the drawings: 1. a first rotating section; 11. a lock pin; 12. a first chute; 13. a limiting member; 14. a guide member; 15. a guide hole; 16. a second chute; 17. a lock seat; 171. accommodating grooves; 172. connecting holes; 18. a lock head; 2. a second rotating part; 21. locking the groove; 3. a lock switch; 31. knurling; 32. a guide groove; 321. a first horizontal groove; 322. a chute; 323. a second horizontal groove; 33. a limiting groove; 4. a spring.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Example one

Fig. 1 to 8 show an embodiment of a circumferential locking mechanism of the present invention, which includes a first rotating part 1 and a second rotating part 2, wherein the first rotating part 1 and the second rotating part 2 rotate relatively; the circumferential locking mechanism comprises a lock switch 3 connected with the first rotating part 1 in a sliding mode, a lock pin 11 connected with the first rotating part 1 and a lock groove 21 arranged on the second rotating part 2, and a conversion assembly for converting the left-right movement of the lock switch 3 into the up-down movement of the lock pin 11 is connected between the lock switch 3 and the lock pin 11; the lock pin 11 is matched with the lock groove 21, and when the lock pin 11 enters the lock groove 21, the inner wall of the lock groove 21 is simultaneously subjected to forces from the vertical direction and the horizontal direction of the lock pin 11.

In the implementation of the embodiment, the lock switch 3 is horizontally pushed, the lock switch 3 moves left and right in the horizontal direction under the action of the conversion component and is converted into the vertical movement and the vertical movement of the lock pin 11, when the lock pin 11 enters the lock groove 21, the inner wall of the lock groove 21 is simultaneously subjected to the vertical and horizontal forces from the lock pin 11, the locking effect is achieved through the contact of at least one inclined plane or inclined curved surface, and the gap between the lock pin 11 and the lock groove 21 during locking can be avoided or reduced; in addition, the utility model discloses used part is simple, easily processing, manufacturing cost are lower.

In one embodiment, the first rotating portion 1 is circumferentially provided with a first sliding groove 12, and the lock switch 3 is slidably connected to the first sliding groove 12, as shown in fig. 1. In this embodiment, the horizontal movement of the lock switch 3 is realized by the lock switch 3 sliding in the first sliding groove 12, so as to ensure the stability of the horizontal sliding of the lock switch 3. The lock switch 3 is partially hidden in the first sliding groove 12, so that misoperation can be avoided, and the occupied volume of storage can be saved. In order to facilitate the sliding operation of the lock switch 3, the present embodiment may provide a knurling 31 on the outer surface of the lock switch 3. In addition, in this embodiment, the first sliding groove 12 and the lock switch 3 are both arc-shaped structures, and the contact surface between the first sliding groove 12 and the lock switch 3 is an arc surface, so that the appearance is beautiful.

In one embodiment, the first rotating portion 1 is connected to a limiting member 13, one end of the limiting member 13 extends into the first sliding slot 12, and the lock switch 3 is provided with a limiting slot 33 slidably connected to the limiting member 13, as shown in fig. 1 and 5. The limiting piece 13 is matched with the limiting groove 33 to limit the motion track of the lock switch 3, so that the lock switch 3 slides more stably; in addition, the arrangement of the limiting member 13 and the limiting groove 33 also enables the lock switch 3 to stably slide in the first sliding groove 12, thereby effectively preventing the lock switch 3 from sliding away from the first sliding groove 12.

In one embodiment, the switching assembly includes a guide 14 connected to the latch 11 and a guide slot 32 opened in the lock switch 3, the guide 14 passes through the outer wall of the first rotating part 1 and is slidably connected to the guide slot 32, and a height difference is provided between two ends of the guide slot 32, as shown in fig. 1 and 5. One end of the lock pin 11 is connected to the first rotating part 1, the lock pin 11 can move up and down relative to the first rotating part 1, and the lock pin 11 can not move in the horizontal direction but can only move linearly in the vertical direction; when the lock switch 3 is pushed, the guide member 14 slides in the guide groove 32, and the guide member 14 slides from one end of the guide groove 32 to the other end, since a height difference exists at both ends of the guide groove 32, the height difference is further converted into the up-down movement of the guide member 14, the guide member 14 drives the lock pin 11 to move up and down, and when the lock pin 11 enters the lock groove 21, the first rotating portion 1 is circumferentially locked relative to the second rotating portion 2. In this embodiment, the length of the guide 14 should be set to a proper value so as not to cause a deviation between the lock pin 11 and the lock groove 21 or a deviation between the stopper 13 and the stopper groove 33.

In one embodiment, the outer wall of the first rotating part 1 is provided with a guide hole 15, the guide member 14 is penetrated through the guide hole 15, and the center line of the guide hole 15 is parallel to the central axis of the first rotating part 1, as shown in fig. 1. The guide 14 slides up and down in the guide hole 15, and the guide hole 15 limits the circumferential movement of the guide 14 so that the guide 14 can only move linearly up and down in the guide hole 15; when guide 14 is the cylindricality structure, guiding hole 15 sets up to waist shape hole, and waist shape hole middle part is the slot, and both ends are the semicircle orifice, and the width of slot and the diameter of semicircle orifice are roughly equal to rock about avoiding guide 14.

In one embodiment, the guide groove 32 includes a first horizontal groove 321, an inclined groove 322, and a second horizontal groove 323, the first horizontal groove 321 is located above the second horizontal groove 323 in parallel, and the first horizontal groove 321 and the second horizontal groove 323 are respectively connected to two ends of the inclined groove 322, as shown in fig. 5. The first horizontal groove 321, the inclined groove 322 and the second horizontal groove 323 are connected to form a Z-shaped track groove, and arc transitions are arranged at the joints of the first horizontal groove 321 and the inclined groove 322 and the joints of the second horizontal groove 323 and the inclined groove 322 so as to ensure that the guide member 14 smoothly slides in the guide groove 32; the heights of the first horizontal groove 321, the inclined groove 322, and the second horizontal groove 323 are substantially equal to the diameter of the guide 14 to prevent the guide 14 from deviating from the guide groove 32. It should be noted that, in this embodiment, when the guide 14 slides in the first horizontal groove 321 and the second horizontal groove 323, the guide 14 and the lock pin 11 are not displaced, and the first horizontal groove 321 and the second horizontal groove 323 are preferably provided to prevent the guide 14 from sliding in the guide groove 32, and the lock pin 11 and the guide 14 can be held at both end positions, and are not limited to this embodiment.

In one embodiment, when the guide 14 moves from the end of the first horizontal groove 321 to the end of the second horizontal groove 323, the guide 14 moves from one end of the guide hole 15 to the other end of the guide hole 15, and the height difference between the first horizontal groove 321 and the second horizontal groove 323 is equal to the moving stroke of the guide 14 in the guide hole 15. In this embodiment, through the size design of the guide groove 32, the guide hole 15, the lock pin 11, and the limit groove 33, when the lock switch 3 moves from one end of the first sliding groove 12 to the other end, the guide member 14 just moves from the end of the first horizontal groove 321 to the end of the second horizontal groove 323, the guide member 14 just moves from one end of the guide hole 15 to the other end of the guide hole 15 while driving the lock pin 11 to move, and the lock pin 11 just enters the lock groove 21 to realize circumferential locking of the first rotating part 1 and the second rotating part 2, which is compact in structure, simple in parts, easy to process, and stable in movement of the guide member 14 and the lock pin 11.

In one embodiment, the first rotating part 1 is provided with a second sliding slot 16 for accommodating the sliding of the lock pin 11, and a spring 4 is connected between the lock pin 11 and the wall of the second sliding slot 16, as shown in fig. 4. The lockpin 11 slides up and down in the second chute 16, the spring 4 is connected between the lockpin 11 and the first rotating part 1, the spring 4 is compressed to different lengths along with the up-and-down movement of the lockpin 11, the arrangement of the spring 4 can increase the moving stability of the lockpin 11 and improve the circumferential locking effect of the first rotating part 1 and the second rotating part 2. Of course, the spring 4 is not intended as a limiting rule, and other elastic members that produce different deformations when subjected to different pressures may be suitable for use in the present invention. In addition, in order to enable the lock pin 11 to only slide up and down in the second sliding groove 16, and the radial movement is limited by the second sliding groove 16, a gap is not formed between the outer wall surface of the lock pin 11 and the wall surface of the second sliding groove 16 or a micro gap is formed between the outer wall surface of the lock pin 11 and the wall surface of the second sliding groove 16 in the embodiment, the specific gap size of the micro gap can be adjusted according to actual conditions, and the lock pin 11 is effectively prevented from shaking left and right under the condition that allowable machining gaps and fit gaps are reserved, for example, the micro gap can be set to be 0.01 mm.

In one embodiment, the lock pin 11 includes a lock seat 17 and a lock head 18 connected to one end of the lock seat 17, the end of the lock seat 17 is opened with a receiving groove 171 for receiving a part of the spring 4, and the side of the lock seat 17 is provided with a connecting hole 172 connected to the guide 14, as shown in fig. 6. In this embodiment, the accommodating groove 171 is disposed on the top of the locking head 18, the guide 14 is disposed on the side of the locking head 18, and when the lock pin 11 enters the locking groove 21, the compressed spring 4 applies a downward acting force to the lock pin 11, so as to ensure the circumferential locking effect of the first rotating part 1 and the second rotating part 2. The spring 4, the accommodating groove 171, the lock seat 17 and the second sliding groove 16 of the present embodiment are coaxially disposed to ensure the uniformity of the stress of the spring 4 and the stability of the sliding of the lock seat 17 in the second sliding groove 16.

In one embodiment, the lock head 18 is a circular truncated cone structure with a gradually decreasing cross-sectional area from the lock head 18 to the lock groove 21, and the lock groove 21 is matched with the circular truncated cone structure. The lock head 18 is arranged to be a circular truncated cone structure with a large upper end and a small lower end, on one hand, the lock pin 11 can be accurately inserted into the lock groove 21, and the effect of locking the first rotating part 1 and the second rotating part 2 can be achieved through the matching between the inclined curved surface of the lock pin 11 and the inclined curved surface of the lock groove 21; on the other hand, the micro-gap can be realized by the cooperation of the oblique curved surfaces.

In one embodiment, the locking groove 21 is selected from one of a wedge-shaped groove, a circular groove, or a racetrack-shaped groove. When the tapered end 18 is the round platform structure, the shape of locked groove 21 is not limited to the groove of the inverted round platform form, other groove structures that have at least an inclined plane or the contact of the inclined curved surface of a department of inclined plane or inclined curved surface like wedge groove, circular slot or runway type groove and tapered end 18 outer wall all can be applicable to the utility model discloses. When the lock groove 21 is a runway-type groove, the lock head 18 can be well matched with the lock head 18 under the condition that the lock head 18 is not in place.

In one embodiment, the locking head 18 is a frustum structure with a gradually decreasing cross-sectional area from the locking head 18 to the locking groove 21, and the locking groove 21 is matched with the frustum structure. The tapered end 18 in this embodiment is except that setting up to the big little round platform structure in upper end, other wedge structures that are big in upper end and little in lower extreme such as terrace with edge structure also can be applicable to the utility model discloses. At this time, the locking groove 21 is selected from one of a wedge-shaped groove, a circular groove or a runway-shaped groove, and the wedge-shaped groove, the circular groove or the runway-shaped groove is in contact with at least one inclined plane or inclined curved surface on the outer wall surface of the lock head 18, so that the effects of locking and micro-clearance are achieved.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Example two

The present embodiment is an embodiment of a rotating member, and includes a first rotating part 1, a second rotating part 2, and a circumferential locking mechanism as in the first embodiment, which is connected between the first rotating part 1 and the second rotating part 2. First rotation portion 1 can rotate or lock relative second rotation portion 2, can reduce the locking clearance after first rotation portion 1, second rotation portion 2 lock, and the locking clearance includes the clearance between tapered end 18 and locked groove 21 and the fit clearance between lock seat 17 and second spout 16. In this embodiment, the top of the first rotating part 1 is provided with a connecting groove for fixedly connecting with the connecting arm; first rotation portion 1 the central axis department is provided with the spliced pole, second rotation portion 2 the central axis department is provided with spliced pole complex connecting hole 172, first rotation portion 1, second rotation portion 2 rotate the connection through the cooperation of spliced pole and connecting hole 172.

EXAMPLE III

The present embodiment is an embodiment of a stabilizer, comprising at least one motor, wherein the motor comprises a first rotating part 1, a second rotating part 2, and a circumferential locking mechanism as in the first embodiment, and the circumferential locking mechanism is connected between the first rotating part 1 and the second rotating part 2. The locking clearance can be reduced after the first rotating part 1 and the second rotating part 2 are locked, and the locking clearance comprises a clearance between the lock head 18 and the lock groove 21 and a matching clearance between the lock seat 17 and the second sliding groove 16. Specifically, to unipolar stabilizer, biax stabilizer and triaxial stabilizer, the motor that uses all adopts in this embodiment the motor, can realize the position location of corresponding linking arm in the disalignment direction.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A circumferential locking mechanism is connected between a first rotating part (1) and a second rotating part (2), and the first rotating part (1) and the second rotating part (2) rotate relatively; the locking mechanism is characterized by comprising a lock switch (3) in sliding connection with a first rotating part (1), a lock pin (11) connected to the first rotating part (1) and a lock groove (21) arranged on a second rotating part (2), wherein a conversion component for converting the left and right movement of the lock switch (3) into the up and down movement of the lock pin (11) is connected between the lock switch (3) and the lock pin (11); the lock pin (11) is matched with the lock groove (21), and when the lock pin (11) enters the lock groove (21), the inner wall of the lock groove (21) is simultaneously subjected to forces from the lock pin (11) in the vertical and horizontal directions.

2. A circumferential locking mechanism according to claim 1, wherein the first rotating part (1) is circumferentially provided with a first sliding slot (12), and the lock switch (3) is slidably connected with the first sliding slot (12).

3. A circumferential locking mechanism according to claim 2, wherein a limiting member (13) is connected to the first rotating portion (1), one end of the limiting member (13) extends into the first sliding slot (12), and the lock switch (3) is provided with a limiting slot (33) slidably connected with the limiting member (13).

4. A circumferential locking mechanism according to any of claims 1 to 3, wherein the switching assembly comprises a guide member (14) connected to the locking pin (11) and a guide slot (32) opened in the lock switch (3), the guide member (14) is slidably connected with the guide slot (32) through the outer wall of the first rotating part (1), and a height difference is provided between two ends of the guide slot (32).

5. A circumferential locking mechanism according to claim 4, wherein the outer wall of the first rotating part (1) is provided with a guide hole (15), the guide piece (14) is connected with the guide hole (15) in a penetrating way, and the central line of the guide hole (15) is parallel to the central axis of the first rotating part (1).

6. A circumferential locking mechanism according to claim 4, wherein the guide groove (32) comprises a first horizontal groove (321), an inclined groove (322) and a second horizontal groove (323), the first horizontal groove (321) is positioned above the second horizontal groove (323) in parallel, and the first horizontal groove (321) and the second horizontal groove (323) are respectively connected to two ends of the inclined groove (322).

7. A circumferential locking mechanism according to claim 1, wherein the locking pin (11) comprises a locking seat (17) and a locking head (18) connected to one end of the locking seat (17), the first rotating part (1) is provided with a second sliding groove (16) for accommodating the locking seat (17) to slide, no gap or a micro gap is formed between the outer wall surface of the locking seat (17) and the wall surface of the second sliding groove (16), and a spring (4) is connected between the locking seat (17) and the wall surface of the second sliding groove (16).

8. A circumferential locking mechanism according to claim 7, wherein the locking head (18) is of a truncated cone structure or a truncated pyramid structure with a cross-sectional area gradually decreasing from the locking head (18) to the locking groove (21), and the locking groove (21) is one of a wedge-shaped groove, a circular groove or a runway-shaped groove with an inner wall surface capable of being matched with an outer wall surface of the locking head (18).

9. A swivel, characterized in that it comprises a first swivel part (1), a second swivel part (2) and a circumferential locking mechanism according to any of claims 1 to 8.

10. A stabilizer, characterized in that it comprises at least one electric motor comprising a first rotating part (1), a second rotating part (2) and a circumferential locking mechanism according to any of claims 1 to 8.

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