Quick locking device for single-shaft holder

Abstract

The utility model relates to the technical field of pan-tilt design, in particular to a single-shaft pan-tilt quick locking device which comprises a pan-tilt body, a supporting plate, a sliding rod, a shell, a supporting plate, a clamping block and a pressing block, a bearing plate is arranged at the bottom in the pan-tilt body, the bottom of the bearing plate is connected with the sliding rod, and the shell is sleeved outside the sliding rod in a sliding mode. Supporting plates are symmetrically connected to the two sides of the upper portion of the shell, a clamping block with the wedge-shaped end is rotationally connected between the two supporting plates, and a plurality of symmetrical wedge-shaped clamping grooves are formed in the side face, corresponding to the clamping block, of the sliding rod. The wedge-shaped end of the clamping block is matched with the wedge-shaped clamping groove of the sliding rod, a self-locking structure is formed under the pretightening force of the torsion spring, and instant locking of the axial position of the holder body is achieved. Quick unlocking can be achieved by pressing the pressing block, the sliding rod automatically resets and is locked after freely sliding to a new position, and the requirement for quick adjustment is met; the axial position of the clamping block rotating shaft can be changed through threaded fit of the first screw rod and the adjusting sleeve, and therefore the contact pressure of the clamping block on the sliding rod is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a holder design technical field, especially single -shaft holder quick locking device. BACKGROUND

[0002] Single -shaft holder is the realization equipment stable device of support single direction (such as horizontal axis or pitch axis) rotation control.

[0003] At present, the locking device of part single -shaft holder adopts bolt fastening or gear detent structure, although can realize basic fixed function, but there is the problem of low locking and unlocking efficiency in practical application, because bolt fastening needs to manually screw many turns of screw thread, and adjustment is time -consuming and labor -intensive, and gear detent relies on precision tooth shape meshing, and operation fault tolerance is low, and cannot quickly switch locking state, thereby influencing holder adjustment efficiency, and rigid locking structure is easy to cause thread slip or gear misalignment under vibration or impact environment due to instantaneous stress concentration, and causes holder accidental deviation, and even causes equipment to fall and damage.

[0004] Therefore, it is urgent to design single -shaft holder quick locking device. INVENTION CONTENTS

[0005] In order to overcome the above-mentioned shortcomings, the utility model provides single -shaft holder quick locking device.

[0006] The technical implementation scheme of the utility model is: single -shaft holder quick locking device, including holder body, bearing plate, sliding rod, shell, support plate, clamping block, pressing block, torsion spring, first screw rod, adjusting sleeve and connecting barrel, the bottom of holder body is provided with bearing plate, the bottom of bearing plate is connected with sliding rod, the outside of sliding rod is sleeved with shell, the upper portion of shell is connected with support plate on both sides, the clamping block with wedge-shaped end is rotatably connected between the two support plates, the side of sliding rod corresponding to the clamping block is provided with a plurality of symmetrical wedge-shaped clamping grooves, the wedge-shaped end of clamping block is clamped into the wedge-shaped clamping groove in the corresponding position, the end of clamping block outward is connected with the inclined pressing block, the torsion spring is connected between the rotating shaft of clamping block and support plate, the rotating shaft of clamping block is rotatably connected with the first screw rod on the end of the one side of support plate, the adjusting sleeve is rotatably connected with the position corresponding to the first screw rod on the side of support plate, the bottom of shell is provided with connecting barrel, and the bottom of connecting barrel is provided with anti -skid structure.

[0007] In a preferred embodiment of the utility model, a plurality of symmetrical anti -skid lines are formed on the surface of the pressing block.

[0008] In a preferred embodiment of the utility model, the side of sliding rod away from clamping block is provided with plane recess, and the upper portion of shell corresponding to plane recess is provided with a threaded groove, and the inside of sliding rod is provided with a notch through groove.

[0009] In a preferred embodiment of the utility model, still include threaded clamping rod, the threaded groove of shell is connected with threaded clamping rod, and the end of threaded clamping rod is abutted on the surface of planar groove of sliding rod.

[0010] In a preferred embodiment of the utility model, still include connecting block and second screw rod, the bottom of sliding rod is provided with connecting block, connecting block is in the inside of connecting cylinder, the inside of connecting block is connected with second screw rod through thread, the lower end of second screw rod is out of the inside of connecting cylinder, and the lower end of second screw rod is provided with twist member.

[0011] In a preferred embodiment of the utility model, still include motor, gear and rack, the side of connecting block is provided with motor, the output shaft of motor is connected with gear, the inside of sliding rod is connected with rack corresponding to the side wall of aperture through slot, the lower end of rack extends to the inside of connecting cylinder, and gear is rotatably engaged with adjacent rack.

[0012] Beneficial effect: 1, the wedge-shaped end of clamping block cooperates with the wedge-shaped clamping groove of sliding rod, and a self-locking structure is formed under the pre-tightening force of torsion spring, so that the axial position of the holder body is instantaneously locked;Pressing the pressing block can quickly unlock, and the sliding rod is freely slid to a new position and then automatically resets and locks, meeting the requirement of rapid adjustment;The axial position of the rotating shaft of the clamping block can be changed by the threaded cooperation of the first screw rod and the adjusting sleeve, so that the contact pressure of the clamping block on the sliding rod is adjusted, and the locking force is optimized to adapt to different load scenarios.

[0013] 2, the connecting block at the bottom of sliding rod cooperates with the second screw rod, and the extension length of sliding rod can be adjusted by rotating the second screw rod, so as to adapt to different installation height requirements;The anti-skid structure at the bottom of connecting cylinder enhances the fixation reliability with the external support.

[0014] 3, by rotating the threaded clamping rod, the end of the threaded clamping rod is abutted against the planar groove of the sliding rod, and the displacement of the sliding rod is limited by frictional resistance, providing double locking protection for long-term fixation or high-load scenarios.

[0015] 4, the gear driven by the motor is engaged with the rack inside the shell, so that the electric telescopic adjustment of the sliding rod is realized;The aperture through slot provides an extension path for the rack, ensuring the continuity and accuracy of long-stroke adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a sectional view of the shell, sliding rod and threaded clamping rod and other components of the utility model.

[0018] Figure 3 It is a sectional view of the support plate, clamping block and pressing block and other components of the utility model.

[0019] Figure 4This is a cross-sectional view of the sliding rod, outer shell, and connecting cylinder of this utility model.

[0020] The components in the attached diagram are labeled as follows: 1. Gimbal body, 2. Support plate, 3. Sliding rod, 4. Outer shell, 5. Threaded clamp, 6. Support plate, 7. Clamping block, 8. Pressure block, 9. Torsion spring, 10. First screw, 11. Adjusting sleeve, 12. Connecting cylinder, 13. Connecting block, 14. Second screw, 15. Motor, 16. Gear, 17. Rack. Detailed Implementation

[0021] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0022] Example: Single-axis gimbal quick-locking device, such as Figures 1-4 As shown, the device includes a gimbal body 1, a support plate 2, a sliding rod 3, a housing 4, a support plate 6, a locking block 7, a pressure block 8, a torsion spring 9, a first screw 10, an adjusting sleeve 11, and a connecting cylinder 12. The gimbal body 1 is used to support the equipment and transmit adjustment power. The support plate 2 is welded to the bottom of the gimbal body 1. The sliding rod 3 is connected to the bottom of the support plate 2. The housing 4 is slidably fitted around the sliding rod 3. The upper sides of the housing 4 are symmetrically connected to the support plates 6. The two support plates 6 are rotatably connected to the locking blocks 7 with wedge-shaped ends. The support plates 6 are rotatably connected to the locking blocks 7 via bearings. The sliding rod 3 has a flat groove on the side away from the locking blocks 7, and the housing 4 has a threaded groove on the upper part of the corresponding flat groove. The sliding rod 3 has a notch groove inside. The housing 4 encloses the sliding rod 3 and provides a support structure. The internal notch groove guides the sliding rod 3 to slide. The sliding rod 3 has several symmetrical wedge-shaped slots on the side corresponding to the locking blocks 7. The sliding rod 3 provides an axial sliding track, and a wedge-shaped groove is opened on its surface for segmented positioning. The wedge-shaped end of the locking block 7 is inserted into the wedge-shaped groove at the corresponding position. The locking block 7 uses the wedge-shaped end to embed into the groove of the sliding rod 3 to achieve self-locking and limit the displacement of the sliding rod 3. An inclined pressure block 8 is connected to the outward end of the locking block 7. Several symmetrical anti-slip textures are opened on the surface of the pressure block 8. A torsion spring 9 is connected between the rotating shaft of the locking block 7 and the support plate 6. The torsion spring 9 provides the torque for the locking block 7 to automatically reset and maintain the locked state. One end of the rotating shaft of the locking block 7 rotates through the support plate 6 on one side. The end of the rotating shaft of the locking block 7 that passes through the support plate 6 is connected to the first screw 10. An adjusting sleeve 11 is rotatably connected to the side of the support plate 6 corresponding to the position of the first screw 10. The adjusting sleeve 11 is rotatably connected to the support plate 6 through a bearing and threadedly sleeved to the first screw 10. A connecting cylinder 12 is set at the bottom of the outer shell 4 by bolts. The bottom of the connecting cylinder 12 is provided with an anti-slip structure.

[0023] like Figure 1 and Figure 2As shown, the threaded clamping rod 5 is screwed into the threaded groove of the shell 4, and the end of the threaded clamping rod 5 abuts against the planar groove surface of the sliding rod 3, which is limited by the planar groove in contact with the threaded clamping rod 5.

[0024] As shown, the threaded clamping rod 5 is screwed into the threaded groove of the shell 4, and the end of the threaded clamping rod 5 abuts against the planar groove surface of the sliding rod 3, which is limited by the planar groove in contact with the threaded clamping rod 5. Figure 4 As shown, the threaded clamping rod 5 is screwed into the threaded groove of the shell 4, and the end of the threaded clamping rod 5 abuts against the planar groove surface of the sliding rod 3, which is limited by the planar groove in contact with the threaded clamping rod 5.

[0025] As shown, the threaded clamping rod 5 is screwed into the threaded groove of the shell 4, and the end of the threaded clamping rod 5 abuts against the planar groove surface of the sliding rod 3, which is limited by the planar groove in contact with the threaded clamping rod 5. Figure 4 As shown, the threaded clamping rod 5 is screwed into the threaded groove of the shell 4, and the end of the threaded clamping rod 5 abuts against the planar groove surface of the sliding rod 3, which is limited by the planar groove in contact with the threaded clamping rod 5.

[0026] When the device is used, the holder body 1 is fixedly connected with the sliding rod 3 through the bottom bearing plate 2, the sliding rod 3 is sleeved into the inside of the shell 4, the support plates 6 on the two sides of the shell 4 are installed with the wedge-shaped clamping blocks 7 through the rotating shafts, under the pre-tightening force of the torsion springs 9, the wedge-shaped end portions of the clamping blocks 7 are embedded into the wedge-shaped clamping grooves on the side surface of the sliding rod 3, a self-locking structure is formed, the relative movement of the sliding rod 3 and the shell 4 is prevented, and the axial position of the holder body 1 is fixedly ensured; when the height of the holder body 1 needs to be adjusted, the inclined pressing block 8 is pressed, the pressing block 8 drives the clamping block 7 to rotate around the rotating shaft, the elastic force of the torsion spring 9 is overcome to make the wedge-shaped end portion separate from the clamping groove of the sliding rod 3, at this time, the sliding rod 3 can realize the axial sliding in the shell 4, after the pressing block 8 is released, the clamping block 7 is driven to rotate back by the torsion spring 9, if the clamping groove is aligned with the clamping block 7 when the sliding rod 3 moves to a new position, the wedge-shaped end portion is embedded into the clamping groove again, the position locking is completed, if the clamping groove is not aligned, the end portion of the clamping block 7 slides along the surface of the sliding rod 3 until it is clamped into the next clamping groove, the segmented positioning is realized; in addition, the first screw rod 10 extended from one end of the rotating shaft of the clamping block 7 is threadedly matched with the adjusting sleeve 11, the rotating adjustment sleeve 11 can change the axial position of the rotating shaft of the clamping block 7, so that the contact pressure of the clamping block 7 and the sliding rod 3 is adjusted, and the locking force is optimized, when the holder body 1 needs to be fixed for a long time, the threaded clamping rod 5 on the side of the shell 4 is screwed, the end portion of the threaded clamping rod 5 abuts against the planar groove of the sliding rod 3, the displacement of the sliding rod 3 is further limited through the frictional resistance, and accidental sliding is prevented; and the torsion member at the lower end of the second screw rod 14 can drive the connecting block 13 to move up and down, so that the extension length of the sliding rod 3 is adjusted, the demand of different installation heights is adapted, the anti-skid structure at the bottom of the connecting cylinder 12 enhances the fixing stability with the external support; finally, in order to improve the flexible adaptability of the device, the motor 15 on the side of the connecting block 13 is started, the output shaft of the motor 15 drives the gear 16 to mesh with the rack 17 on the inside of the shell 4, the sliding rod 3 is driven to move directionally along the gap through groove, electric adjustment is realized, the rack 17 extends into the inside of the connecting cylinder 12, and the continuity of the long-stroke adjustment can be ensured, during the adjustment process of the motor 15, the clamping block 7 keeps in contact with the clamping groove of the sliding rod 3 in real time under the action of the torsion spring 9, when the motor 15 stops, the clamping block 7 is immediately embedded into the corresponding clamping groove to complete the locking, if external impact load is encountered, the wedge-shaped clamping structure enhances the anti-deviation ability through the self-locking effect of the inclined surface.

[0027] Although the present disclosure has been described only with respect to a limited number of embodiments, those skilled in the art who have the benefit of this disclosure will appreciate that a variety of other embodiments are possible without departing from the scope of the present application. Therefore, the scope of the present application should be limited only by the appended claims.

Claims

1. A quick locking device for a single-axis gimbal, comprising The gimbal body (1), the bearing plate (2), the sliding rod (3), the shell (4), the support plate (6), the clamping block (7), the pressing block (8), the torsion spring (9), the first screw rod (10), the adjusting sleeve (11) and the connecting barrel (12) are arranged, the bottom of the gimbal body (1) is provided with the bearing plate (2), the bottom of the bearing plate (2) is connected with the sliding rod (3), the outer part of the sliding rod (3) is sleeved with the shell (4), the upper part of the shell (4) is symmetrically connected with the support plate (6) on both sides, the clamping block (7) with a wedge-shaped end is rotatably connected between the two support plates (6), a plurality of symmetric wedge-shaped clamping grooves are formed in the side of the sliding rod (3) corresponding to the clamping block (7), the wedge-shaped end of the clamping block (7) is clamped into the wedge-shaped clamping groove in the corresponding position, the end of the clamping block (7) outward is connected with the inclined pressing block (8), the torsion spring (9) is connected between the rotating shaft of the clamping block (7) and the support plate (6), the rotating shaft of the clamping block (7) is rotatably connected with the support plate (6) on one side, the rotating shaft of the clamping block (7) is connected with the first screw rod (10) penetrating through the support plate (6) on one side, the adjusting sleeve (11) is rotatably connected with the support plate (6) on the side corresponding to the first screw rod (10), the bottom of the shell (4) is provided with the connecting barrel (12), and the bottom of the connecting barrel (12) is provided with an anti-skid structure.

2. The quick lock of a single-axis head as claimed in claim 1, wherein A plurality of symmetric anti-skid lines are formed on the surface of the pressing block (8).

3. The quick lock of a single-axis head as claimed in claim 1, wherein, A planar groove is formed in the side of the sliding rod (3) away from the clamping block (7), a threaded groove is formed in the upper part of the shell (4) corresponding to the planar groove, and a notch through groove is formed in the inner part of the sliding rod (3).

4. The quick lock of a single-axis head as claimed in claim 1, wherein, The threaded groove in the shell (4) is threadedly connected with the threaded clamping rod (5), and the end of the threaded clamping rod (5) abuts against the surface of the planar groove of the sliding rod (3).

5. The quick lock of a single-axis head as claimed in claim 1, wherein The bottom of the sliding rod (3) is provided with the connecting block (13), the connecting block (13) is arranged in the inner part of the connecting barrel (12), the second screw rod (14) is threadedly connected in the inner part of the connecting block (13), the lower end of the second screw rod (14) penetrates through the inner part of the connecting barrel (12), and the lower end of the second screw rod (14) is provided with a twisting member.

6. The quick lock of a single-axis head as claimed in claim 1, wherein The motor (15), the gear (16) and the rack (17) are further arranged, the motor (15) is mounted on the side of the connecting block (13), the output shaft of the motor (15) is connected with the gear (16), the rack (17) is connected with the side wall of the notch through groove in the inner part of the sliding rod (3), the lower end of the rack (17) extends into the inner part of the connecting barrel (12), and the gear (16) is rotatably engaged with the adjacent rack (17).

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