CN220269041U

CN220269041U - Tripod with improved locking structure

Info

Publication number: CN220269041U
Application number: CN202321921163.4U
Authority: CN
Inventors: 刘思瀚
Original assignee: Ningbo Jiahui Metal Products Co ltd
Current assignee: Ningbo Jiahui Metal Products Co ltd
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2023-12-29
Anticipated expiration: 2033-07-20

Abstract

The tripod with the improved locking structure comprises at least three supporting feet, wherein the lower ends of the supporting feet are used for supporting, and the upper ends of the supporting feet are fixed on a main frame; the main frame has an annular structure in which a center post is defined; the annular structure is provided with an opening, and the opening can be tightened through the locking structure to realize the folding of the annular structure; the middle shaft column is provided with an arc-surface structural member, the outer wall of the arc-surface structural member is provided with a first arc surface, the inner wall of the annular structure is provided with a second arc surface, and the first arc surface is matched with the second arc surface. The tripod with the improved locking structure is compact and small in overall structure, convenient to use and carry, convenient to install and lock and operate, and high in locking structure strength.

Description

Tripod with improved locking structure

Technical Field

The utility model belongs to the field of photographic auxiliary equipment, and particularly relates to a tripod with an improved locking structure.

Background

In the fields of photography and video shooting, a tripod is a commonly used tool for stabilizing a camera, a lens or other devices so as to achieve the purpose of outputting clear and stable images or videos. Conventional tripods typically include a deployable center post and three support legs, with stability achieved by adjusting the length and angle of the support legs.

In the prior art, some tripods are required to meet the use requirement of low gravity center, the adjustment and locking structure is also required to be convenient to adjust, the whole structure is required to be small and compact so as to be convenient to carry, and the existing tripod structure is used for adjusting the level of a bracket by adjusting the unfolding length of each foot, so that the mode is difficult to realize control in some complex environments.

The device is further designed and improved in the above direction, is more compact in structure and is easier to adjust in a complex environment.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the tripod with the improved locking structure, which has compact and small overall structure, is convenient for horizontal adjustment and portable to carry, and has convenient installation and locking operation of the middle shaft column and high locking structure strength.

In order to solve the technical problems, the utility model is solved by the following technical scheme.

The tripod with the improved locking structure comprises at least three supporting feet, wherein the lower ends of the supporting feet are used for supporting, and the upper ends of the supporting feet are fixed on a main frame; the main frame has an annular structure in which a center post is defined; the annular structure is provided with an opening, and the opening can be tightened through the locking structure to realize the folding of the annular structure; the middle shaft column is provided with an arc-surface structural member, the outer wall of the arc-surface structural member is provided with a first arc surface, the inner wall of the annular structure is provided with a second arc surface, and the first arc surface is matched with the second arc surface. The center shaft can be applied to cambered surface structural members and connected with peripheral equipment such as cameras, and the like, so that the height is extended. When the middle shaft column is not installed, the cambered surface structural member can be directly connected with external equipment such as a camera and the like, so that the installation of the low gravity center is realized.

The tripod in this application is used for installing photographic equipment on the center pillar, and first cambered surface on this center pillar matches with the second cambered surface on the body frame, and the preferred sphere cambered surface matches, consequently the center pillar can carry out free rotation in certain within range to adapt to different use scene demands. In the use, after selecting suitable angle, tighten up through locking structure, realize annular structure's receipts, can make annular structure hug tightly block the center pillar, realize stable assembly, convenient operation, the flexibility of use is high.

In a preferred embodiment, the annular structure is provided with a pre-tightening structure, and the pre-tightening structure is used for providing damping between the first cambered surface and the second cambered surface, so that the damping hand feeling is good in the process of adjusting the posture by rotating the center shaft.

In a preferred embodiment, the pre-tightening structure comprises a pre-tightening knob, a part of the pre-tightening knob directly or indirectly acts on the first cambered surface after passing through a pre-tightening through hole in the annular structure for applying damping, in the structure, the part of the pre-tightening knob can be a threaded rod, the threaded rod abuts against the first cambered surface after passing through the pre-tightening through hole or abuts against the first cambered surface through a rubber cushion block for providing damping, and the magnitude of the damping force can be adjusted by screwing or unscrewing the pre-tightening knob.

In a preferred embodiment, the locking structure comprises locking plates positioned at two sides of the opening, and locking knobs used for locking are arranged on the locking plates.

In a preferred embodiment, the main frame is provided with a rotating seat, the upper end of the supporting leg is rotatably arranged on the rotating seat, so that the angle can be conveniently adjusted, and meanwhile, the supporting leg can be a supporting leg with a telescopic function, so that the length can be conveniently adjusted.

In a preferred embodiment, the rotating seat is provided with a plurality of positioning latches, the upper end of the supporting leg is fixed with a pressing clamping piece, and the clamping piece is provided with a positioning head capable of propping against the positioning latches; the clamping piece is matched with the spring for resetting. In this structure, the locating head supports and makes the supporting legs have different angles of opening on different latches, during the operation, presses down the fastener, can make the locating head deviate from the latch, after selecting the latch of needs, unclamp the fastener, under the effect of spring, can make the locating head card on the latch, and spring and corresponding reset structure can be the conventional structure among the prior art.

In a preferred embodiment, the clamping piece is rotatably arranged on a rotation center on the upper end of the supporting leg, and rotates around the rotation center during the pressing rotation and the resetting process; the inside of the clamping piece is connected with a reset piece, the reset piece extends out and is arranged in the mounting cavity at the upper end of the supporting leg, and the spring is also arranged in the mounting cavity and exerts reset elastic force on the reset piece under the action of elastic force. The locking device has the advantages of compact structure and high stability, and can well realize the locking and unlocking operations of the positioning head.

In a preferred embodiment, the middle shaft post is provided with an upward-extending mounting post for mounting the photographic equipment.

In a preferred embodiment, the mounting columns are fixed in a columnar structure formed by a plurality of positioning plates in a limiting manner, the columnar structure is assembled in a central hole of the cambered surface structural member, in the structure, the columnar structure formed by the plurality of positioning plates is a detachable structure, the mounting columns with different types can be selected according to the needs, the positioning plates are preferably three, and the columnar structure is formed after clamping.

In a preferred embodiment, a middle shaft locking sleeve is arranged on the middle shaft column, and a locking eccentric sleeve is arranged on the inner wall of the middle shaft locking sleeve; the cambered surface structural member downwards extends out of the lower sleeve, and the lower sleeve extends into the space between the inner wall of the middle shaft locking sleeve and the locking eccentric sleeve and can be extruded and locked. In this structure, the assembly of whole center pillar is realized to the axis lock cover through sleeve pipe and locking eccentric sleeve under the extrusion, and the axis lock cover can extrude through the mode of screw thread screwing, convenient operation.

In a preferred embodiment, the lower part of the columnar structure is provided with a lower cover body for assembling or providing lower supporting force.

Compared with the prior art, the utility model has the following beneficial effects: the tripod with the improved locking structure has the advantages of compact and small overall structure, convenience in use and carrying, convenience in installation and locking operation of the middle shaft column and high strength of the locking structure.

Drawings

Fig. 1 is a perspective view of a tripod according to the present utility model.

Fig. 2 is a perspective view of a tripod according to the present utility model.

Fig. 3 is a cross-sectional view of a tripod in accordance with the present utility model.

Fig. 4 is an enlarged view of area a in fig. 3.

Fig. 5 is a cross-sectional view of a part of the structure of the center pillar omitted in the present utility model.

Fig. 6 is a perspective view of a columnar structure formed by the locating plate and the locking eccentric sleeve thereon in the present utility model.

Fig. 7 is a cross-sectional view of a columnar structure of a positioning plate according to the present utility model.

Fig. 8 is a perspective view of the main frame and the center pillar structure of the present utility model.

Fig. 9 is a perspective view of a main frame in the present utility model.

Fig. 10 is a perspective view of a center pillar in accordance with the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

In the following embodiments, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, and the embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it is to be understood that the terms: the directions of the center, the longitudinal, the lateral, the length, the width, the thickness, the upper, the lower, the front, the rear, the left, the right, the vertical, the horizontal, the top, the bottom, the inner, the outer, the clockwise, the counterclockwise, etc. indicate the directions or the positional relationship based on the directions or the positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and therefore, should not be construed as limiting the present utility model. Furthermore, the term: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of features shown. In the description of the present utility model, unless explicitly specified and defined otherwise, the terms: mounting, connecting, etc. should be construed broadly and the specific meaning of the terms in the present application will be understood by those skilled in the art in view of the specific circumstances.

Referring to fig. 1 to 10, a tripod with an improved locking structure according to the present utility model includes at least three support legs 1, wherein the lower ends of the support legs 1 are used for supporting, and the upper ends of the support legs 1 are fixed on a main frame 2; the main frame 2 has an annular structure 28, the annular structure 28 defining a center pillar; the annular structure 28 is provided with an opening 284, and the opening 284 can be tightened by a locking structure to realize the folding of the annular structure 28; the middle shaft column is provided with a cambered surface structural member 3, the outer wall of the cambered surface structural member 3 is provided with a first cambered surface 381, the inner wall of the annular structure 28 is provided with a second cambered surface 281, and the first cambered surface 381 is matched with the second cambered surface 281.

Specifically, in this application, locking structure includes the locking plate 285 that is located the opening 284 both sides, be equipped with the locking knob 32 that is used for locking on the locking plate 285, in this structure, can make the annular structure 28 tighten up after screwing this locking knob 32, reaches the purpose of locking center pillar.

In addition, in this application, be equipped with pretension structure on the annular structure 28, pretension structure is used for providing damping between first cambered surface 381 and the second cambered surface 281, can guarantee in the center pillar rotation adjustment gesture in-process, has fine damping feel. In one embodiment, the pre-tightening structure includes a pre-tightening knob 31, a part of the pre-tightening knob 31 directly or indirectly acts on the first arc surface 381 after passing through a pre-tightening through hole 289 on the annular structure 28 to apply damping, in this structure, the part of the pre-tightening structure may be a threaded rod, the threaded rod abuts against the first arc surface 381 after passing through the pre-tightening through hole 289, or abuts against the first arc surface 381 through a rubber cushion block to provide damping, and the magnitude of the damping force can be adjusted by screwing or unscrewing the pre-tightening knob 31.

As can be seen from the above structural description, the tripod in the present application is used for installing a photographic device on a center pillar, and the first arc surface 381 on the center pillar is matched with the second arc surface 281 on the main frame 2, and the preferred spherical arc surfaces are matched, so that the center pillar can freely rotate within a certain range to adapt to different requirements of use situations. In the use, after selecting suitable angle, tighten up through locking structure, realize annular structure 28 draw in, can make annular structure 28 hug tightly block the center pillar, realize stable assembly, convenient operation, the flexibility of use is high.

Further, in the tripod of the present application, the main frame 2 is provided with a rotating seat, the upper end of the supporting leg 1 is rotatably arranged on the rotating seat, so that the angle can be conveniently adjusted, and meanwhile, the supporting leg 1 can be a supporting leg with a telescopic function, so that the length can be conveniently adjusted.

In the application, a plurality of positioning latches 21 are arranged on the rotating seat, a pressing type clamping piece 17 is fixed at the upper end of the supporting leg 1, and a positioning head 171 capable of propping against the positioning latches 21 is arranged on the clamping piece 17; the clamping piece 17 is matched with the spring 181 for resetting. In this structure, the positioning head 171 is propped against different latches 21 to enable the supporting legs 1 to have different opening angles, during operation, the clamping piece 17 is pressed down, so that the positioning head 171 can be separated from the latches 21, after the required latches 21 are selected, the clamping piece 17 is loosened, under the action of the spring 181, the positioning head 171 can be clamped on the latches 21, and the spring 181 and the corresponding reset structure can be conventional structures in the prior art.

In a specific embodiment, the clamping piece 17 is rotatably arranged on a rotation center 16 on the upper end of the supporting leg 1, and the clamping piece 17 rotates around the rotation center 16 in the pressing rotation and resetting process; the inner side of the clamping piece 17 is connected with a reset piece 18, the reset piece 18 extends out and is arranged in a mounting cavity at the upper end of the supporting leg 1, and the spring 181 is also arranged in the mounting cavity and exerts reset elastic force on the reset piece 18 by elastic force. The locking device has the advantages of compact structure and high stability, and can well realize the locking and unlocking operations of the positioning head.

The center pillar in the present application will be seen with reference to the drawings, wherein the center pillar is provided with an upwardly extending mounting pillar 41 for mounting a photographic apparatus. Specifically, the mounting columns 41 are fixed in a columnar structure formed by a plurality of positioning plates 42, the columnar structure is assembled in a central hole of the cambered surface structural member 3, in the structure, the columnar structure formed by the plurality of positioning plates 42 is a detachable structure, the mounting columns 41 with different types can be selected according to the needs, and the positioning plates 42 are preferably three and form the columnar structure after clamping.

In the application, a middle shaft locking sleeve 4 is arranged on the middle shaft column, and a locking eccentric sleeve 39 is arranged on the inner wall of the middle shaft locking sleeve 4; the cambered surface structural member 3 extends downwards to form a lower sleeve 33, and the lower sleeve 33 extends between the inner wall of the middle shaft locking sleeve 4 and the locking eccentric sleeve 39 and can be extruded and locked. In the structure, the middle shaft locking sleeve 4 is assembled on the whole middle shaft column by extruding the lower sleeve 33 and the locking eccentric sleeve 39, and the middle shaft locking sleeve 4 can be extruded in a threaded screwing mode, so that the operation is convenient. The lower part of the columnar structure is provided with a lower cover 43 for assembling or providing a lower supporting force.

It can be seen from the above description that, in the present application, the cambered surface structural member 3 on the middle axle post is of a hollow structure, so as to facilitate the insertion of accessories such as a columnar structure, and of course, the present application also includes an integral structure made of a connection structure with a screw or a bayonet, which belongs to the design protection scope. The cambered surface structural member 3 is installed in the annular structure 28 by adopting pressure, is not likely to fall off, and can freely rotate in the annular structure 28 so as to meet the horizontal adjustment function.

In this application, supporting legs 1 can conveniently carry out the angle and shift gears, and the fastener 17 that is used for shifting gears is fixed in the upper end of supporting legs, and the upper end of supporting legs is fixed on rotating cover 19, rotates cover 19 and rotates to connect on body frame 2 through pivot 27 to realize the rotation of supporting legs 1. The structure simplifies the gear shifting mechanism into three parts, greatly reduces the processing and manufacturing cost, and greatly improves the structural reliability.

In the above, the tripod with the improved locking structure is compact and small in overall structure, convenient to use and carry, convenient to install and lock and operate, and high in locking structure strength.

The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.

Claims

1. The tripod with the improved locking structure comprises at least three supporting feet (1), wherein the lower ends of the supporting feet (1) are used for supporting, and the upper ends of the supporting feet (1) are fixed on a main frame (2);

it is characterized in that the method comprises the steps of,

the main frame (2) is provided with a cambered surface annular structure (28), and the annular structure (28) is used for limiting a middle shaft column;

the annular structure (28) is provided with an opening (284), and the opening (284) can be tightened through the locking structure to realize the folding of the annular structure (28);

the middle shaft column is provided with an arc surface structural member (3), the outer wall of the arc surface structural member (3) is provided with a first arc surface (381), the inner wall of the annular structure (28) is provided with a second arc surface (281), and the first arc surface (381) is matched with the second arc surface (281).

2. Tripod with improved locking structure according to claim 1, characterized in that said ring structure (28) is provided with a pre-tightening structure for providing damping between said first (381) and second (281) cambered surfaces.

3. A tripod with improved locking arrangement according to claim 2, wherein the pre-tightening arrangement comprises a pre-tightening knob (31), part of the pre-tightening knob (31) acting directly or indirectly on the first arc surface (381) after passing through a pre-tightening through hole (289) in the ring-like arrangement (28) for damping.

4. A tripod with improved locking arrangement according to claim 1, characterised in that the locking arrangement comprises locking plates (285) on both sides of the opening (284), said locking plates (285) being provided with locking knobs (32) for locking.

5. Tripod with improved locking structure according to claim 1, characterized in that the main frame (2) is provided with a rotating seat, on which the upper end of the supporting leg (1) is rotatably arranged.

6. The tripod with the improved locking structure according to claim 5, wherein a plurality of positioning latches (21) are arranged on the rotating seat, a pressing type clamping piece (17) is fixed at the upper end of the supporting leg (1), and a positioning head (171) capable of being abutted against the positioning latches (21) is arranged on the clamping piece (17); the clamping piece (17) is matched with the spring (181) for resetting.

7. Tripod with improved locking structure according to claim 6, characterized in that the clip (17) is rotatably arranged on the centre of rotation (16) on the upper end of the support leg (1), the clip (17) rotating around the centre of rotation (16) during the pressing rotation and the resetting;

the inner side of the clamping piece (17) is connected with a reset piece (18), the reset piece (18) stretches out and is arranged in a mounting cavity at the upper end of the supporting leg (1), and the spring (181) is also arranged in the mounting cavity and exerts reset elastic force on the reset piece (18) by elastic force.

8. Tripod with improved locking structure according to claim 1, characterized in that the central shaft post is provided with an upwardly projecting mounting post (41).

9. A tripod with improved locking arrangements according to claim 8, characterised in that the mounting posts (41) are retained in a cylindrical arrangement formed by a plurality of locating plates (42) which fit into the central aperture of the cambered structural member (3).

10. Tripod with improved locking structure according to claim 9, characterized in that the center post is also provided with a center shaft locking sleeve (4), the inner wall of the center shaft locking sleeve (4) is provided with a locking eccentric sleeve (39); the cambered surface structural member (3) downwards extends out of the lower sleeve (33), and the lower sleeve (33) extends into a space between the inner wall of the middle shaft locking sleeve (4) and the locking eccentric sleeve (39) and can be extruded and locked.