CN219570595U - Angle adjusting device - Google Patents

Abstract

The utility model relates to the technical field of adjusting devices, in particular to an angle adjusting device which comprises a fixed seat, a rotating seat rotationally connected with the fixed seat, a fixed annular gear arranged on the fixed seat, a movable annular gear arranged on the rotating seat, a clutch gear movably arranged between the fixed annular gear and the movable annular gear, an angle indexing mechanism arranged between the rotating seat and the fixed seat, and a clutch driving mechanism arranged on the rotating seat and used for driving the clutch gear to reciprocate between the fixed annular gear and the movable annular gear, wherein the clutch gear is used for being meshed with the fixed annular gear or/and the movable annular gear. The utility model has simple and compact structure and low cost, and the relative angle between the rotating seat and the fixed seat is convenient and fast to adjust, thereby improving the efficiency of angle adjustment.

Description

Angle adjusting device

Technical Field

The utility model relates to the technical field of adjusting devices, in particular to an angle adjusting device.

Background

The angle adjusting device is used for adjusting the angles of equipment and products in life and production, and the structural forms of the angle adjusting device required by different occasions are different.

In the prior art, the Chinese patent document with the application number 202023120620.9 discloses a table with an adjustable tabletop angle, which comprises a tabletop, a table foot and an angle adjusting device arranged between the tabletop and the table foot, wherein the angle adjusting device comprises a fixed seat, an angle adjusting piece and a locking mechanism, the fixed seat is arranged on the tabletop, one end of the angle adjusting piece is arranged on the table foot, the other end of the angle adjusting piece is rotationally connected with the fixed seat, one side, close to the fixed seat, of the angle adjusting piece is respectively provided with a first angle adjusting structure and a second angle adjusting structure, the first angle adjusting structure is an inward concave conical tooth surface or an outward convex conical tooth surface, and correspondingly, the second angle adjusting structure is an outward convex conical tooth surface or an inward concave conical tooth surface, and the locking mechanism is used for locking the angle adjusting piece and the fixed seat so as to enable the first angle adjusting structure to be clamped with the second angle adjusting structure; the locking mechanism comprises a lock cover, a first elastic piece, a pull rod and a driving unit, wherein the pull rod sequentially penetrates through the lock cover, the fixed seat and the angle adjusting piece, the first elastic piece is arranged between the fixed seat and the lock cover, one end of the pull rod protrudes out of the angle adjusting piece and is provided with a limiting block which is used for abutting against the outer side of the angle adjusting piece, the other end of the pull rod protrudes out of the lock cover and is connected with the driving unit, and the driving unit is used for applying locking force to the lock cover or blocking the lock cover, and the lock cover is connected with the fixed seat or/and the pull rod in a sliding mode. The patent document controls the separation or engagement of the convex conical tooth surface and the concave conical tooth surface through the locking mechanism to carry out angle adjustment or angle locking, the structure is relatively complex, the operation is inconvenient and laborious, the processing precision requirements of the convex conical tooth surface and the concave conical tooth surface are high, and the cost is high.

Disclosure of Invention

In order to solve the above-mentioned problems, an object of the present utility model is to provide an angle adjusting device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the angle adjusting device comprises a fixed seat, a rotating seat rotationally connected with the fixed seat, a fixed annular gear arranged on the fixed seat, a movable annular gear arranged on the rotating seat, a clutch gear movably arranged between the fixed annular gear and the movable annular gear, an angle indexing mechanism arranged between the rotating seat and the fixed seat, and a clutch driving mechanism arranged on the rotating seat and used for driving the clutch gear to reciprocate between the fixed annular gear and the movable annular gear, wherein the clutch gear is used for being meshed with the fixed annular gear or/and the movable annular gear.

Further, the angle indexing mechanism comprises a spring bead and a plurality of clamping grooves distributed in an arc shape, and the spring bead is clamped with one of the clamping grooves; the spring beads are arranged on the fixed seat or the rotating seat, and correspondingly, the clamping grooves are arranged on the rotating seat or the fixed seat.

Further, a plurality of clamping grooves and the like are arranged.

Further, the spring beads comprise indexing springs and clamping beads arranged in a lifting mode, and the indexing springs are used for applying elastic force towards the clamping grooves to the clamping beads.

Further, the rotating seat is provided with a central shaft, the clutch gear is sleeved outside the central shaft in a sliding mode, the central shaft and the movable inner gear ring are coaxially arranged, and the central shaft is positioned in the movable inner gear ring.

Further, the fixing seat is provided with a rotating hole, the rotating hole is positioned in the fixed inner gear ring and is coaxially arranged with the fixed inner gear ring, and the free end of the central shaft is inserted into the rotating hole and is rotationally connected with the rotating hole.

Further, the clutch driving mechanism comprises a shell arranged on the rotating seat, keys movably arranged on the shell, a push rod penetrating through the shell and the rotating seat in a sliding mode, a driving reset spring which is arranged in the shell and used for applying resilience force to the push rod, and a clutch reset spring which is clamped between the clutch gear and the rotating seat, wherein a driving groove is concavely formed in the periphery of the clutch gear, a guide inclined surface is arranged at the bottom of the driving groove, one end of the push rod is connected with the keys, and the other end of the push rod is in sliding contact with the guide inclined surface.

Further, one end of the ejector rod, which is close to the guide inclined plane, is provided with an abutting inclined plane which is in sliding abutting contact with the guide inclined plane.

Further, one end of the key is rotatably connected with the shell, and the other end of the key is abutted against the ejector rod.

Further, the ejector rod is provided with a limiting ring, one end of the driving reset spring is in contact with the limiting ring, and the other end of the driving reset spring is in contact with the bottom wall of the shell.

The utility model has the beneficial effects that: in practical application, when the relative angle between the fixed seat and the rotating seat is fixed, the two ends of the clutch gear are respectively meshed with the fixed annular gear and the movable annular gear, or the clutch gear is meshed with the fixed annular gear, so that the fixed seat and the rotating seat are locked, and the rotating seat cannot be adjusted in angle relative to the fixed seat; when the relative angle between the rotating seat and the fixed seat needs to be adjusted, the clutch driving mechanism drives the clutch gear to move in the direction away from the fixed annular gear until the clutch gear is separated from the fixed annular gear, the clutch gear is meshed with the movable annular gear to release the locking of the fixed seat and the rotating seat, the rotating seat can rotate relative to the fixed seat to adjust the angle of the rotating seat, the angle indexing mechanism carries out indexing control on the angle of the rotating seat in the process of adjusting the angle of the rotating seat relative to the fixed seat so that the rotating seat can be accurately adjusted to the required angle position, and after the angle adjustment is finished, the clutch driving mechanism drives the clutch gear to reset until the two ends of the clutch gear are respectively meshed with the fixed annular gear and the movable annular gear, or the clutch gear is meshed with the fixed annular gear to lock the fixed seat and the rotating seat together again to keep the rotating seat at the adjusted angle. The utility model has simple and compact structure and low cost, and the relative angle between the rotating seat and the fixed seat is convenient and fast to adjust, thereby improving the efficiency of angle adjustment.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Reference numerals illustrate:

1. a fixing seat; 2. a rotating seat; 3. fixing an inner gear ring; 4. a movable inner gear ring; 5. a clutch gear; 6. an angle indexing mechanism; 7. a clutch driving mechanism; 8. a spring bead; 9. a clamping groove; 10. an indexing spring; 11. clamping beads; 12. a central shaft; 13. a turning hole; 14. a housing; 15. a key; 16. a push rod; 17. driving a reset spring; 18. a clutch return spring; 19. a driving groove; 20. a guide slope; 21. an abutting inclined plane; 22. and a limiting ring.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, the angle adjusting device provided by the utility model comprises a fixed seat 1, a rotating seat 2 rotatably connected to the fixed seat 1, a fixed annular gear 3 arranged on the fixed seat 1, a movable annular gear 4 arranged on the rotating seat 2, a clutch gear 5 movably arranged between the fixed annular gear 3 and the movable annular gear 4, an angle indexing mechanism 6 arranged between the rotating seat 2 and the fixed seat 1, and a clutch driving mechanism 7 arranged on the rotating seat 2 and used for driving the clutch gear 5 to reciprocate between the fixed annular gear 3 and the movable annular gear 4, wherein the clutch gear 5 is used for being meshed with the fixed annular gear 3 or/and the movable annular gear 4; preferably, the rotating seat 2 is rotatably sleeved outside the fixed seat 1.

In practical application, when the relative angle between the fixed seat 1 and the rotating seat 2 is fixed, two ends of the clutch gear 5 are respectively meshed with the fixed annular gear 3 and the movable annular gear 4, or the clutch gear 5 is meshed with the fixed annular gear 3, so that the fixed seat 1 and the rotating seat 2 are locked, and the rotating seat 2 cannot be adjusted in angle relative to the fixed seat 1; when the relative angle between the rotating seat 2 and the fixed seat 1 needs to be adjusted, the clutch driving mechanism 7 drives the clutch gear 5 to move in the direction away from the fixed annular gear 3 until the clutch gear 5 is separated from the fixed annular gear 3, the clutch gear 5 is meshed with the movable annular gear 4 to release the locking of the fixed seat 1 and the rotating seat 2, the rotating seat 2 can rotate relative to the fixed seat 1 to perform angle adjustment of the rotating seat 2, the angle indexing mechanism 6 performs indexing control on the angle of the rotating seat 2 in the process of performing angle adjustment on the rotating seat 2 relative to the fixed seat 1 so that the rotating seat 2 can be accurately adjusted to a required angle position, and after the angle adjustment is finished, the clutch driving mechanism 7 drives the clutch gear 5 to reset until two ends of the clutch gear 5 are meshed with the fixed annular gear 3 and the movable annular gear 4 respectively, or the clutch gear 5 is meshed with the fixed annular gear 3 to lock the fixed seat 1 and the rotating seat 2 again so as to keep the rotating seat 2 at the adjusted angle. The utility model has simple and compact structure and low cost, the relative angle between the rotating seat 2 and the fixed seat 1 is convenient and fast to adjust, and the efficiency of angle adjustment is improved.

In this embodiment, the angle indexing mechanism 6 includes a spring bead 8 and a plurality of clamping grooves 9 distributed in an arc shape, and the spring bead 8 is clamped with one of the clamping grooves 9; the spring beads 8 are arranged on the fixed seat 1 or the rotating seat 2, and correspondingly, the plurality of clamping grooves 9 are arranged on the rotating seat 2 or the fixed seat 1, that is, when the spring beads 8 are arranged on the fixed seat 1, the plurality of clamping grooves 9 are arranged on the rotating seat 2; when the spring beads 8 are arranged on the rotating seat 2, a plurality of clamping grooves 9 are arranged on the fixed seat 1. In practical application, every draw-in groove 9 corresponds an angle, when rotating seat 2 carries out angle modulation relative to fixing base 1, spring pearl 8 slides on a plurality of draw-in grooves 9, until the angle modulation of rotating seat 2 finishes, a draw-in groove 9 joint of spring pearl 8 and corresponding angular position can play certain restriction to the angle modulation of rotating seat 2 and fixing base 1, thereby can guarantee angle modulation's stability and accuracy, and through the elasticity joint of spring pearl 8 and draw-in groove 9, have and adjust dynamic/sense of touch, be favorable to operating personnel to carry out suitable angle modulation.

In this embodiment, the plurality of clamping grooves 9 are arranged at equal angles, so that the angle of the spring beads 8 transferred from one clamping groove 9 to the other clamping groove 9 is fixed, and the operator can accurately adjust the angle to a required angle.

In this embodiment, the spring beads 8 include an indexing spring 10 and a vertically arranged clamping bead 11, and the indexing spring 10 is used for applying an elastic force to the clamping bead 11 towards the clamping groove 9. According to the arrangement of the spring beads 8 on the fixed seat 1 or the rotating seat 2, the clamping beads 11 are arranged on the fixed seat 1 or the rotating seat 2 in a lifting manner, correspondingly, the indexing spring 10 is arranged on the fixed seat 1 or the rotating seat 2, and the clamping beads 11 are elastically connected with the fixed seat 1 or the rotating seat 2 through the indexing spring 10. The indexing spring 10 enables the clamping beads 11 to be stably clamped in the corresponding clamping grooves 9.

In this embodiment, the rotating base 2 is provided with a central shaft 12, the clutch gear 5 is slidably sleeved outside the central shaft 12, the central shaft 12 is coaxially arranged with the movable annular gear 4, and the central shaft 12 is located in the movable annular gear 4. The structural design not only ensures the coaxiality of the clutch gear 5 and the movable annular gear 4, but also ensures that the clutch gear 5 can reciprocate along the central shaft 12, and improves the moving stability of the clutch gear 5.

In this embodiment, the fixing base 1 is provided with a rotation hole 13, the rotation hole 13 is located in the fixed ring gear 3 and is coaxially arranged with the fixed ring gear 3, and the free end of the central shaft 12 is inserted into the rotation hole 13 and is rotationally connected with the rotation hole 13. This structural design is convenient for fixing base 1 and the dismouting of rotating seat 2, and is favorable to improving the stability of rotating seat 2 and fixing base 1 relative rotation.

In this embodiment, the clutch driving mechanism 7 includes a housing 14 mounted on the rotating base 2, a key 15 movably disposed on the housing 14, a jack 16 slidably penetrating the housing 14 and the rotating base 2, a driving return spring 17 disposed in the housing 14 and used for applying a rebound force to the jack 16, and a clutch return spring 18 disposed between the clutch gear 5 and the rotating base 2, wherein a driving groove 19 is concavely disposed on a circumference of the clutch gear 5, a guiding inclined surface 20 is disposed at a bottom of the driving groove 19, one end of the jack 16 is connected with the key 15, and the other end of the jack 16 slidably abuts against the guiding inclined surface 20.

In practical application, at the beginning, the driving reset spring 17 and the clutch reset spring 18 are in an extended state, the driving reset spring 17 enables the ejector rod 16 to be at the highest position, and the clutch reset spring 18 enables the clutch gear 5 to be meshed with the fixed annular gear 3 so as to lock the rotating seat 2 with the fixed seat 1; when the angle of the rotating seat 2 needs to be adjusted, an operator applies a pressing force to the key 15, so that the key 15 moves along with the ejector rod 16 and compresses and drives the reset spring 17, the moving ejector rod 16 is abutted against the guide inclined surface 20 of the clutch gear 5, the clutch gear 5 moves along the central shaft 12 in a direction away from the fixed annular gear 3 and compresses the clutch reset spring 18 along with the movement of the ejector rod 16 under the action of the guide inclined surface 20 until the clutch gear 5 is separated from the fixed annular gear 3, the clutch gear 5 is only meshed with the movable annular gear 4, and at the moment, the operator can apply a rotating force to the rotating seat 2, so that the rotating seat 2 can rotate relative to the fixed seat 1, and the angle adjustment of the rotating seat 2 is realized. After the angle adjustment is finished, the pressing force on the key 15 is released, under the action of the resilience force of the driving reset spring 17 and the clutch reset spring 18, the driving reset spring 17 drives the ejector rod 16 and the key 15 to reset until the ejector rod 16 and the key 15 are restored to the original positions, meanwhile, the clutch reset spring 18 drives the clutch gear 5 to move close to the fixed annular gear 3 until the clutch gear 5 is meshed with the fixed annular gear 3, so that the rotating seat 2 is locked on the fixed seat 1, and the rotating seat 2 is kept at the adjusted angle. The clutch driving mechanism 7 is simple in structure, convenient to operate and convenient to adjust the angle of the rotating seat 2.

In this embodiment, an abutting inclined plane 21 is disposed at one end of the ejector rod 16 near the guiding inclined plane 20, the abutting inclined plane 21 abuts against the guiding inclined plane 20 in a sliding manner, and the moving direction of the ejector rod 16 is perpendicular to the moving direction of the clutch gear 5. The push rod 16 is convenient to drive the clutch gear 5 to move by sliding and abutting the guide inclined plane 20 through the abutting inclined plane 21, and the clutch gear 5 is also convenient to push the push rod 16 to reset.

In this embodiment, one end of the key 15 is rotatably connected with the housing 14, the other end of the key 15 abuts against the ejector rod 16, and when an operator applies pressure to the other end of the key 15, the key 15 rotates relative to the housing 14, so that the stability of the operator applying pressure to the key 15 is improved, and the stability of the key 15 driving the ejector rod 16 to move is improved.

In this embodiment, the ejector rod 16 is provided with a limiting ring 22, one end of the driving return spring 17 abuts against the limiting ring 22, the other end of the driving return spring 17 abuts against the bottom wall of the housing 14, and the driving return spring 17 is sleeved outside the ejector rod 16. The structural design improves the working stability of the driving return spring 17 and facilitates the assembly of the driving return spring 17 and the ejector rod 16.

Specifically, the key 15 is provided with a limiting block, and the opening end of the housing 14 is provided with a limiting edge for abutting against the limiting block; in the initial state, the limiting block is abutted against the limiting edge to limit the key 15, so that the free end of the key 15 is prevented from being ejected out by the elasticity of the driven reset spring 17 to fail.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (10)

1. An angle adjusting device, characterized in that: the clutch mechanism comprises a fixed seat (1), a rotating seat (2) rotationally connected to the fixed seat (1), a fixed annular gear (3) arranged on the fixed seat (1), a movable annular gear (4) arranged on the rotating seat (2), a clutch gear (5) movably arranged between the fixed annular gear (3) and the movable annular gear (4), an angle indexing mechanism (6) arranged between the rotating seat (2) and the fixed seat (1) and a clutch driving mechanism (7) arranged on the rotating seat (2) and used for driving the clutch gear (5) to reciprocate between the fixed annular gear (3) and the movable annular gear (4), wherein the clutch gear (5) is used for being meshed with the fixed annular gear (3) or/and the movable annular gear (4).

2. An angle adjustment device according to claim 1, characterized in that: the angle indexing mechanism (6) comprises spring beads (8) and a plurality of clamping grooves (9) distributed in an arc shape, and the spring beads (8) are clamped with one of the clamping grooves (9); the spring beads (8) are arranged on the fixed seat (1) or the rotating seat (2), and correspondingly, the clamping grooves (9) are arranged on the rotating seat (2) or the fixed seat (1).

3. An angle adjustment device according to claim 2, characterized in that: the plurality of clamping grooves (9) are arranged at equal angles.

4. An angle adjustment device according to claim 2, characterized in that: the spring bead (8) comprises an indexing spring (10) and a clamping bead (11) which is arranged in a lifting mode, and the indexing spring (10) is used for applying elastic force towards the clamping groove (9) to the clamping bead (11).

5. An angle adjustment device according to claim 1, characterized in that: the rotating seat (2) is provided with a central shaft (12), the clutch gear (5) is sleeved outside the central shaft (12) in a sliding mode, the central shaft (12) and the movable inner gear ring (4) are coaxially arranged, and the central shaft (12) is positioned in the movable inner gear ring (4).

6. An angle adjustment device according to claim 5, characterized in that: the fixed seat (1) is provided with a rotating hole (13), the rotating hole (13) is positioned in the fixed inner gear ring (3) and is coaxially arranged with the fixed inner gear ring (3), and the free end of the central shaft (12) is inserted into the rotating hole (13) and is rotationally connected with the rotating hole (13).

7. An angle adjustment device according to claim 1, characterized in that: the clutch driving mechanism (7) comprises a shell (14) arranged on the rotating seat (2), a key (15) movably arranged on the shell (14), a push rod (16) penetrating through the shell (14) and the rotating seat (2) in a sliding mode, a driving reset spring (17) arranged in the shell (14) and used for applying resilience force to the push rod (16) and a clutch reset spring (18) clamped between the clutch gear (5) and the rotating seat (2), a driving groove (19) is formed in the periphery of the clutch gear (5), a guide inclined surface (20) is arranged at the bottom of the driving groove (19), one end of the push rod (16) is connected with the key (15), and the other end of the push rod (16) is in sliding contact with the guide inclined surface (20).

8. An angle adjustment device according to claim 7, characterized in that: one end of the ejector rod (16) close to the guide inclined plane (20) is provided with an abutting inclined plane (21), and the abutting inclined plane (21) is in sliding abutting contact with the guide inclined plane (20).

9. An angle adjustment device according to claim 7, characterized in that: one end of the key (15) is rotationally connected with the shell (14), and the other end of the key (15) is abutted against the ejector rod (16).

10. An angle adjustment device according to claim 7, characterized in that: the ejector rod (16) is provided with a limiting ring (22), one end of the driving return spring (17) is in contact with the limiting ring (22), and the other end of the driving return spring (17) is in contact with the bottom wall of the shell (14).