Pan-tilt locking device of roller pin structure and photographing suite

Abstract

The invention relates to the technical field of photography holders, in particular to a holder locking device of a roller pin structure and a photography suite, and the holder locking device comprises a push part A and a push part B. The push part B is provided with a groove, a roller pin is installed in the groove, the opposite surfaces of the two push parts are respectively provided with inclined plane structures with the same slope, and when the push part B generates horizontal movement action relative to the push part A under the action of external force, the push part A moves horizontally. The pushing piece B can push the pushing piece A to move in the vertical direction by virtue of the inclined surface structure so as to lock the holder ball body; by means of the slope principle, the transverse torque provided by the lead screw driving the pushing piece B to move is further amplified, the operation of locking the ball is more labor-saving and better in hand feeling, and meanwhile precise adjustment of the locking torque of the ball is achieved through driving of the lead screw; friction resistance generated in the torque transmission process is eliminated and reduced, torque loss in the operation process is greatly weakened, and light and dense hand feeling is provided for a photographer to operate the holder.

Description

Technical Field

[0001] The invention relates to the technical field of photographic pan heads, and in particular to a pan head locking device with a roller needle structure and a photographic kit. Background Art

[0002] The gimbal is the most commonly used device for cameras. Due to the limitation of processing technology, the locking structure of the traditional spherical gimbal is relatively simple and direct. Most structures use a knob system to directly squeeze the sphere through the sphere base for locking, so the feel is relatively stiff. In recent years, with the popularization of CNC machine tools and the advancement of processing technology, the processing quality of the gimbal has been greatly improved, and the locking methods of the gimbal sphere have also emerged in an endless stream. The present invention cuts in from the perspective of gimbal control accuracy and improving the feel of the gimbal knob, and provides a new solution for high-precision control of the gimbal sphere locking. Summary of the invention

[0003] In view of this, the purpose of the present invention is to provide a pan head locking device and a photography kit with a roller needle structure, which can accurately control the locking of the pan head ball and eliminate the torque loss during the locking operation to solve the technical problems described in the background technology.

[0004] The present invention is achieved through the following technical solutions:

[0005] A pan / tilt locking device of a needle roller structure, comprising a push piece A and a push piece B arranged vertically, wherein a groove is provided on a side of the push piece B away from the push piece A, a needle roller is installed in the groove, and the diameter of the needle roller is greater than the depth of the groove;

[0006] The opposite surfaces of the two push pieces are respectively provided with inclined structures with the same slope. When the push piece B away from the gimbal ball moves horizontally relative to the push piece A under the action of external force, the push piece B can push the push piece A vertically to lock the gimbal ball by means of the inclined structure.

[0007] Furthermore, a screw hole is opened on the side of the push piece B, a screw is threadedly connected in the screw hole, and one end of the screw away from the push piece B is fixedly connected to a knob.

[0008] Furthermore, the push member A protrudes toward one side of the push member B to form two spaced-apart convex blocks, and the inclined surface structure on the convex block and the inclined surface structure on the push member B fit each other.

[0009] Furthermore, the protrusion and the inclined surface structure of the push piece B are respectively provided with a receiving hole, and an elastic mechanism is installed in the receiving hole to ensure the existence of a damping force between the push piece A and the gimbal ball when the gimbal ball is unlocked.

[0010] Furthermore, the elastic mechanism comprises a sleeve embedded in the accommodating hole, a spring is installed in the sleeve, and a ball is installed at the other end of the spring.

[0011] A photography kit includes a multifunctional pan head, wherein the multifunctional pan head includes a pan head seat, and a bottom opening of the pan head seat is fixedly connected to a chassis;

[0012] A ball sleeve is inserted into the top opening of the pan-tilt seat, a ball is rotatably mounted in the ball sleeve, and a pan-tilt locking device with a roller needle structure as described above is installed between the ball and the chassis.

[0013] Furthermore, a slide groove is provided on the inner wall of the pan-tilt seat, and a guide block is integrally formed on the outer side of the push piece A for slidingly cooperating with the slide groove to limit the circumferential rotation of the push piece A.

[0014] Furthermore, a threaded hole is provided on the side of the pan-tilt seat, a fixing sleeve is threadedly connected in the threaded hole, and the fixing sleeve is sleeved outside the screw rod;

[0015] The screw rod comprises a threaded portion and a rod portion integrally formed with the threaded portion. The rod portion is inserted into the fixing sleeve, and a stop ring is installed on the rod portion for cooperating with the fixing sleeve to limit the horizontal movement of the screw rod.

[0016] A photography kit also includes a photography and video leveling pan head, wherein the photography and video leveling pan head adopts the pan head locking device with the roller needle structure as described above.

[0017] The beneficial effects of the present invention are:

[0018] 1. Compared with the traditional pan-tilt ball locking structure, the present invention utilizes the characteristics of precise adjustment of the screw rod. The push piece B is precisely displaced along the axial direction of the screw rod under the rotation control of the screw rod, thereby accurately controlling the clamping force and damping feel of the ball. At the same time, the screw rod has a positioning effect on the movement of the push piece B, and also ensures the constant damping force when the ball rotates.

[0019] 2. The present invention utilizes the inclined plane principle to further amplify the lateral torque provided by the screw (amplify the torque in the vertical direction), and the operation of locking the ball with the knob is more labor-saving and has a better hand feel. At the same time, the push piece B can also achieve precise adjustment of the locking torque of the ball through the screw drive.

[0020] 3. The present invention utilizes the special structure of the needle roller sliding to eliminate and reduce the friction resistance generated during the torque transmission process, greatly weakening the torque loss during the operation process, and providing the photographer with a light and dense feel when operating the pan / tilt head. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the pan / tilt locking device of the needle roller structure of the present invention.

[0022] Figure 2 It is a schematic structural diagram of the pan / tilt locking device of the needle roller structure of the present invention from another direction.

[0023] Figure 3 It is an exploded schematic diagram of the push piece A and the elastic mechanism of the pan / tilt locking device of the needle roller structure of the present invention.

[0024] Figure 4 It is a structural schematic diagram of the push piece B of the pan / tilt locking device of the roller needle structure of the present invention.

[0025] Figure 5 The figure is a schematic structural diagram of a multifunctional pan / tilt platform of a photographic kit of the present invention.

[0026] Figure 6 The present invention is a cross-sectional view of a pan head seat and a chassis of a multifunctional pan head of a photographic kit.

[0027] Figure 7 The figure is a connection diagram of the pan head seat and the push piece A of the multifunctional pan head of the photography kit of the present invention.

[0028] Figure 8 The present invention is a schematic structural diagram of a photography and video leveling platform for a photography kit.

[0029] Fig. 9 The present invention is a cross-sectional view of a pan head seat of a photography and video leveling pan head of a photography kit of the present invention.

[0030] In the figure: 1-push piece A, 2-push piece B, 3-groove, 4-needle roller, 5-inclined surface structure, 6-screw hole, 7-screw, 71-threaded part, 72-rod part, 8-knob, 9-bump, 10-accommodating hole;

[0031] 11-elastic mechanism, 111-sleeve, 112-spring, 113-bead;

[0032] 12-multi-function pan / tilt, 121-pan / tilt seat, 122-chassis, 123-ball sleeve, 124-ball, 125-slideway, 126-guide block, 127-threaded hole, 128-fixing sleeve, 129-stop ring;

[0033] 13-Leveling pan / tilt for photography and videography. DETAILED DESCRIPTION

[0034] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0035] In the description of the present application, the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the structure referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0036] See also Figures 1 to 4 The present invention provides a technical solution: a pan / tilt locking device with a needle roller structure, comprising a push piece A1 and a push piece B2 arranged vertically, the push piece is preferably in a disc shape, and can of course be arranged in a rectangular or other shape as required. A screw hole 6 is provided on the side of the push piece B2, a screw 7 is threadedly connected in the screw hole 6, and a knob 8 is fixedly connected to the end of the screw 7 away from the push piece B2. By turning the knob 8, the screw 7 is driven to rotate, so that the moving distance of the push piece B2 can be precisely adjusted.

[0037] See also Figure 1 A groove 3 is provided at the bottom of the push piece B2, and a needle roller 4 is installed in the groove 3. The shape of the needle roller 4 is preferably cylindrical, and a spherical shape can also be selected. The rolling direction of the needle roller 4 is parallel to the center line of the screw rod 7. The diameter of the needle roller 4 is greater than the depth of the groove 3. The needle roller 4 extends out of the groove 3. The sliding friction generated during the movement of the push piece B2 can be converted into rolling friction through the needle roller 4, and the contact area of ​​the push piece B2 with other objects during movement can be reduced, thereby reducing the friction generated during the movement of the push piece B2, making the movement of the push piece B2 lighter and smoother.

[0038] See also Figure 1 and Figure 4 The push piece A1 protrudes toward one side of the push piece B2 to form two spaced and opposite convex blocks 9, and the opposing surfaces of the convex blocks 9 and the push piece B2 are respectively provided with inclined surface structures 5 with the same slope, and the contact area between the push piece A1 and the push piece B2 can be reduced by the convex blocks 9, thereby reducing the friction between the push piece A1 and the push piece B2 when the push piece A1 is pushed by the push piece B2. When the push piece B2 moves horizontally relative to the push piece A1 under the cooperation of the knob 8 and the screw rod 7, the push piece B2 can push the push piece A1 to move vertically by means of the inclined surface structure 5, thereby locking the gimbal ball;

[0039] When the push piece B2 moves away from the inclined surface of the push piece A1 under the drive of the screw rod 7, there is no pressure between the push piece A1 and the sphere, and the pan / tilt ball will be unlocked.

[0040] See also Figure 3The protrusion 9 and the inclined surface structure 5 of the push piece B2 are respectively provided with a receiving hole 10, and an elastic mechanism 11 is installed in the receiving hole 10. The elastic mechanism 11 includes a sleeve 111 embedded in the receiving hole 10, and a spring 112 is installed in the sleeve 111. A ball 113 is installed at the other end of the spring 112. In a natural state, the ball 113 abuts against the opening of the sleeve 111 under the action of the spring 112, and the ball 113 is in a state of half extending out of the sleeve 111. When the gimbal ball is unlocked, the spring 112 and the ball 113 push the push piece A1 to move and abut against the gimbal ball, so that a certain damping force is maintained between the gimbal ball and the push piece A1 to prevent the gimbal ball from being too loose and shaking when it is unlocked.

[0041] See also Figure 5 and Figure 6 A photographic kit includes a multifunctional platform 12, wherein the multifunctional platform 12 includes a platform seat 121, a bottom opening of the platform seat 121 is fixedly connected with a chassis 122, and the pusher B2 is slidably mounted on the chassis 122;

[0042] A ball sleeve 123 is inserted into the top opening of the pan-tilt seat 121, and a sphere 124 is rotatably installed in the ball sleeve 123. The sphere 124 has a connecting column with a threaded interface for connecting to a clamp or a tripod, and a pan-tilt locking device with a roller needle structure as described above is installed between the sphere 124 and the chassis 122.

[0043] See also Figure 3 and Figure 7 A slide groove 125 is provided on the inner wall of the pan-tilt seat 121, and a guide block 126 is fixedly connected to the outer side of the push piece A1 for slidingly cooperating with the slide groove 125, thereby limiting the circumferential rotation of the push piece A1, so that the push piece A1 only moves up and down without generating horizontal and rotational movements, thereby ensuring that the upper and lower inclined structures 5 are always relative.

[0044] See also Figure 6 A threaded hole 127 is provided on the side of the pan-tilt seat 121, and a fixing sleeve 128 is threadedly connected in the threaded hole 127, and the fixing sleeve 128 is sleeved outside the screw rod 7;

[0045] The screw rod 7 includes a threaded portion 71 and a rod portion 72 integrally formed with the threaded portion 71. The rod portion 72 is inserted into the fixing sleeve 128, and the inner wall of the fixing sleeve 128 is in smooth contact with the outer surface of the rod portion 72. A stop ring 129 is installed on the rod portion 72. The stop ring 129 is located in front of the fixing sleeve 128 and is used to cooperate with the fixing sleeve 128 to limit the horizontal movement of the screw rod 7, thereby preventing the screw rod 7 from moving outward when the screw rod 7 is screwed, and ensuring that the screw rod 7 drives the push piece B2 to move horizontally effectively.

[0046] See also Figure 8 and Fig. 9 A photography kit also includes a photography and video leveling pan-tilt head 13, in which a pan-tilt locking device with a roller needle structure as described above is installed. The pan-tilt locking device with a roller needle structure is installed in the photography and video leveling pan-tilt head 13 in a similar installation manner to the multifunctional pan-tilt head 12.

[0047] Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention are within the scope of protection required by the present invention.

Claims

1. A pan / tilt locking device with a needle roller structure, characterized in that: It comprises a push piece A (1) and a push piece B (2) arranged vertically, wherein a groove (3) is provided on a side of the push piece B (2) away from the push piece A (1), a roller needle (4) is installed in the groove (3), and the diameter of the roller needle (4) is greater than the depth of the groove (3); The opposing surfaces of the two pushers are respectively provided with inclined structures (5) with the same slope. When the pusher B (2) away from the gimbal ball body is subjected to an external force and moves horizontally relative to the pusher A (1), the pusher B (2) can push the pusher A (1) vertically to lock the gimbal ball body by means of the inclined structure (5).

2. The pan / tilt locking device with a needle roller structure according to claim 1, characterized in that: A screw hole (6) is provided on the side of the push piece B (2), a screw (7) is threadedly connected in the screw hole (6), and a knob (8) is fixedly connected to one end of the screw (7) away from the push piece B (2).

3. The pan / tilt locking device with a needle roller structure according to claim 1, characterized in that: The push piece A (1) protrudes toward one side of the push piece B (2) to form two spaced-apart convex blocks (9), and the inclined surface structure (5) on the convex block (9) fits with the inclined surface structure (5) on the push piece B (2).

4. The pan / tilt locking device with a needle roller structure according to claim 3, characterized in that: The protrusion (9) and the inclined surface structure (5) of the push piece B (2) are respectively provided with a receiving hole (10), and an elastic mechanism (11) is installed in the receiving hole (10) for ensuring the existence of a damping force between the push piece A (1) and the gimbal ball when the gimbal ball is unlocked.

5. The pan / tilt locking device with a needle roller structure according to claim 4, characterized in that: The elastic mechanism (11) comprises a sleeve (111) embedded in the accommodating hole (10), a spring (112) is installed in the sleeve (111), and a ball (113) is installed at the other end of the spring (112).

6. A photography kit, comprising a multifunctional pan head, the multifunctional pan head comprising a pan head seat (121), a bottom opening of the pan head seat (121) being fixedly connected to a chassis (122); A ball sleeve (123) is inserted into the top opening of the pan-tilt seat (121), and a ball (124) is rotatably mounted in the ball sleeve (123), wherein: A pan / tilt locking device with a needle roller structure as claimed in any one of claims 1 to 5 is installed between the spherical body (124) and the chassis (122).

7. The multifunctional pan / tilt head according to claim 6, characterized in that: A slide groove (125) is provided on the inner wall of the pan-tilt seat (121), and a guide block (126) is integrally formed on the outer side of the push piece A (1) for slidingly cooperating with the slide groove (125) to limit the circumferential rotation of the push piece A (1).

8. The multifunctional pan / tilt head according to claim 6, characterized in that: A threaded hole (127) is provided on the side of the pan-tilt seat (121), a fixing sleeve (128) is threadedly connected in the threaded hole (127), and the fixing sleeve (128) is sleeved outside the screw rod (7); The screw rod (7) comprises a threaded portion (71) and a rod portion (72) integrally formed with the threaded portion (71); the rod portion (72) is inserted into the fixing sleeve (128), and a stop ring (129) is installed on the rod portion (72) for cooperating with the fixing sleeve (128) to limit the horizontal movement of the screw rod (7).

9. A photography kit, further comprising a photography and video leveling platform (13), characterized in that: The photography and video leveling pan / tilt head (13) adopts a pan / tilt head locking device with a roller needle structure as claimed in any one of claims 1 to 5.

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