Angle adjusting structure of tripod supporting leg

Abstract

The utility model relates to the technical field of tripods, in particular to an angle adjusting structure of a tripod supporting leg, which comprises a supporting leg body, a locking component and an anti-mistaken-rotation component, one end of the supporting leg body is provided with a groove and a rotating cavity, the extending end of a holder extends into the groove, the supporting leg body is provided with a guide part, and the locking component and the anti-mistaken-rotation component are arranged in the groove. The locking assembly comprises a lead screw and a sliding piece, the sliding piece is connected with the lead screw in a spiral rotating mode, a protruding key is arranged at one end of the lead screw, and when the lead screw rotates, the sliding piece abuts against the extending end stretching into the groove or is separated from the extending end. When the sliding sleeve slides, the protruding key extends into the first guide groove, the sliding sleeve rotates to drive the lead screw to rotate, or the guide part extends into the second guide groove, the protruding key is separated from the first guide groove, the lead screw is covered with the sliding sleeve, the lead screw is not driven by rotation of the sliding sleeve, and the anti-mistaken-rotation structure has the advantage of being provided with the anti-mistaken-rotation structure.

Description

Technical Field

[0001] This application relates to the field of tripod technology, and more specifically to an angle adjustment structure for tripod support legs. Background Technology

[0002] A tripod is a frame that replaces the arm in supporting and maintaining an object at a predetermined height.

[0003] There is a tripod support leg angle adjustment structure, which is set in such a way as Figure 1 The tripod head 90 shown has several extension ends 91, and each extension end 91 is rotatably mounted with a tripod support leg angle adjustment structure 9, such as... Figure 2 As shown, the tripod support leg angle adjustment structure 9 includes a support leg body 92 and a locking assembly 93. The support leg body 92 has a groove 921 and a rotating cavity 922. The extension end 91 extends into the groove 921. The locking assembly 93 includes a lead screw 931 and a sliding member 932. The sliding member 932 is helically connected to the lead screw 931. When the lead screw 931 rotates, the sliding member 932 moves closer to or further away from the extension end 91 extending into the groove 921. When both sides of the extension end 91 abut against the sliding member 932 and the sidewall of the groove 921 respectively, the angle of the support leg body 92 relative to the extension end 91 is fixed. However, since the rotation of the lead screw 931 is not locked, after the angle of the support leg body 92 is adjusted, the lead screw 931 may be accidentally rotated, causing the angle of the support leg body 92 relative to the extension end 91 to change.

[0004] Therefore, there is a need for a tripod support leg angle adjustment structure with anti-misrotation mechanism. Utility Model Content

[0005] The present application mainly aims to provide a tripod supporting leg angle adjusting structure, which is rotatably connected with an extension end of a holder, wherein the tripod supporting leg angle adjusting structure comprises a supporting leg body, a locking assembly and a mistaken rotation preventing assembly, one end of the supporting leg body is provided with a recess and a rotating cavity, the extension end of the holder extends into the recess, one side of the supporting leg body is provided with a guide portion, the locking assembly comprises a lead screw and a sliding piece, the sliding piece is rotatably connected with the lead screw in a screwing manner, one end of the lead screw is provided with a plurality of protruding keys, when the lead screw rotates, the sliding piece abuts against or separates from the extension end extending into the recess, the mistaken rotation preventing assembly comprises a sliding sleeve, the sliding sleeve is provided with a plurality of first guide grooves and a second guide groove, when the sliding sleeve slides, the protruding keys extend into the first guide grooves, the sliding sleeve rotates to drive the lead screw to rotate, or the guide portion extends into the second guide groove, the protruding keys are separated from the first guide grooves, and one end of the lead screw provided with the protruding keys is covered by the sliding sleeve, so that the sliding sleeve rotates without driving the lead screw, thereby having the advantage of mistaken rotation preventing structure compared with the prior art.

[0006] Another object of the present application is to provide a tripod supporting leg angle adjusting structure, wherein the groove width of the recess is greater than the thickness of the extension end, the lead screw is provided with a first threaded portion and a second threaded portion, the screw thread directions of the first threaded portion and the second threaded portion are opposite, the tripod supporting leg angle adjusting structure further comprises an auxiliary pushing piece, the sliding piece is connected with the second threaded portion in a screwing transmission manner, and the auxiliary pushing piece is connected with the first threaded portion in a screwing transmission manner, so that the extension end and the sliding piece are more quickly abutted by arranging the auxiliary pushing piece.

[0007] In order to achieve the above-mentioned at least one application object, the present application provides a tripod supporting leg angle adjusting structure, which is rotatably connected with an extension end of a holder, wherein the tripod supporting leg angle adjusting structure comprises:

[0008] a supporting leg body, one end of the supporting leg body is provided with a recess and a rotating cavity, the extension end of the holder extends into the recess, and one side of the supporting leg body is provided with a guide portion; and

[0009] a locking assembly, the locking assembly comprises a lead screw and a sliding piece, the sliding piece is rotatably connected with the lead screw in a screwing manner, one end of the lead screw is provided with a plurality of protruding keys, when the lead screw rotates, the sliding piece abuts against or separates from the extension end extending into the recess; and

[0010] A mistaken rotation prevention assembly includes a sliding sleeve having a first guide slot and a second guide slot, when the sliding sleeve slides, the protruding key enters the first guide slot, or the guide part enters the second guide slot, and the protruding key is separated from the first guide slot, and the sliding sleeve covers the end of the lead screw with the protruding key.

[0011] In one or more embodiments of the present application, the groove has a groove width greater than the thickness of the extension end, the lead screw has a first threaded portion and a second threaded portion, the first threaded portion and the second threaded portion have opposite screw directions, the angle adjustment structure of the tripod support leg further includes an auxiliary pushing piece, the sliding piece is in screw transmission connection with the second threaded portion, and the auxiliary pushing piece is in screw transmission connection with the first threaded portion.

[0012] In one or more embodiments of the present application, the extension end is provided with a rubber pad near one side of the sliding piece, and the sliding piece is provided with a plurality of needles near one side of the rubber pad, when the sliding piece slides a predetermined distance, the needles are inserted into or separated from the rubber pad.

[0013] In one or more embodiments of the present application, a sealing ring is sleeved on the extension end, and when the sliding piece is separated from the extension end, the side surface of the sealing ring is in contact with the two side walls of the groove.

[0014] In one or more embodiments of the present application, the two side walls of the groove each have a through inclined hole.

[0015] In one or more embodiments of the present application, one side wall of the groove is detachably connected with the support leg body.

[0016] In one or more embodiments of the present application, the two side walls of the groove and the extension end each have a through hole, and the angle adjustment structure of the tripod support leg further includes a shaft body and an end cover, one end of the shaft body has a blocking part, one end of the shaft body away from the blocking part passes through the through holes on the two side walls of the groove and the extension end, and the end cover is detachably connected with the shaft body.

[0017] In this embodiment, the tripod support foot angle adjustment structure is rotatably connected to the extension end of the gimbal, including a support foot body, a locking component, and an anti-misrotation component. One end of the support foot body has a groove and a rotating cavity, and the extension end of the gimbal extends into the groove. One side of the support foot body has a guide portion. The locking component includes a lead screw and a sliding member, which is helically rotatably connected to the lead screw. One end of the lead screw has a protruding key. When the lead screw rotates, the sliding member abuts against the extension end extending into the groove or separates from the extension end. The anti-misrotation component includes a sliding sleeve with a first guide groove and a second guide groove. When the sliding sleeve slides, the protruding key extends into the first guide groove, causing the slide sleeve to rotate and drive the lead screw to rotate. Alternatively, the guide portion extends into the second guide groove, and the protruding key disengages from the first guide groove. The slide sleeve covers the end of the lead screw with the protruding key, so that the rotation of the slide sleeve does not drive the lead screw. Compared with the prior art, this has the advantage of having an anti-misrotation structure. Attached Figure Description

[0018] These and / or other aspects and advantages of this application will become clearer and more readily understood from the following detailed description of embodiments of this application taken in conjunction with the accompanying drawings, wherein:

[0019] Figure 1 The diagram illustrates the structure of the tripod support leg angle adjustment mechanism installed on the gimbal.

[0020] Figure 2 The diagram illustrates a structural schematic of an existing tripod support leg angle adjustment structure;

[0021] Figure 3 The figure shows a schematic diagram of the angle adjustment structure of a tripod support leg according to this application;

[0022] Figure 4 The diagram shows... Figure 3 A magnified view of a portion at point C;

[0023] Figure 5 The diagram shows... Figure 3 A magnified view of a portion at point D. Detailed Implementation

[0024] The terms and words used in the following specification and claims are not limited to their literal meaning, but are used solely by the inventors to enable a clear and consistent understanding of this application. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of this application is provided for illustrative purposes only and not for the purpose of limiting the application as defined in the appended claims and their equivalents.

[0025] It is to be understood that the term "one" should be understood as "at least one" or "one or more" i.e. that the number of an element can be singular or plural in one embodiment, and the term "one" does not necessarily limit the number of an element to one in another embodiment.

[0026] Although ordinal numbers such as "first", "second" and the like will be used in describing various components, these components are not limited by the ordinal numbers. The ordinal numbers are used only for distinguishing one component from another component. For example, a first component could be termed a second component and, similarly, a second component could be termed a first component without departing from the teachings of the present inventive concept. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] The terminology used herein is for the purpose of describing various embodiments only and is not intended to be limiting. As used herein, the singular form "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "has", when used in this specification, specify the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

[0028] The angle adjusting structure of the illustrative tripod supporting leg is described with reference to Figures 3 to 5 , according to a preferred embodiment of the present application, an angle adjusting structure of a tripod supporting leg is rotatably connected with an extension end 91 of a pan-tilt head as shown in Figure 1 , and comprises a supporting leg body 10 and a locking assembly 20.

[0029] Specifically, as shown in Figure 3 , one end of the supporting leg body 10 is provided with a recess 101 and a rotating cavity 102, the extension end 91 of the pan-tilt head extends into the recess 101, and the recess 101 is in communication with the rotating cavity 102; in addition, as shown in Figure 3 and Figure 4 , the locking assembly 20 comprises a lead screw 201 and a sliding member 202, the sliding member 202 is screwingly rotatably connected with the lead screw 201, and when the lead screw 201 rotates, the sliding member 202 abuts against or separates from the extension end 91 extending into the recess 101.

[0030] It is to be noted that when the angle between the support leg body 10 and the extension end 91 needs to be fixed, the screw rod 201 is rotated by a predetermined angle in one direction and the sliding member 202 is abutted against the extension end 91; when the angle between the support leg body 10 and the extension end 91 needs to be adjusted, the screw rod 201 is rotated by a predetermined angle in another direction and the sliding member 202 is separated from the extension end 91.

[0031] Further, in order to avoid the user from unintentionally rotating the screw rod 201 and separating the sliding member 202 from the extension end 91 after the angle between the support leg body 10 and the extension end 91 is fixed, as shown in Figure 5 One side of the support leg body 10 has a guide portion 103, one end of the screw rod 201 has a plurality of protruding keys 2011, and the angle adjusting structure of the tripod support leg further comprises an anti-misrotation assembly 30, the anti-misrotation assembly 30 comprises a sliding sleeve 301, the sliding sleeve 301 has a plurality of first guide grooves 3011 and a second guide groove 3012, the first guide grooves 3011 correspond to the protruding keys 2011 one by one, when the sliding sleeve 301 slides, the protruding keys 2011 extend into the first guide grooves 3011 or the guide portion 103 extends into the second guide groove 3012, and the protruding keys 2011 are separated from the first guide grooves 3011, and the sliding sleeve 301 covers one end of the screw rod 201 having the protruding keys 2011.

[0032] It is to be noted that in the embodiment of the present application, the guide portion 103 is annular protrusion, the second guide groove 3012 is an annular groove, the center of the sliding sleeve 301 has a through hole 3013, the through hole 3013 communicates with the first guide grooves 3011, and the sliding sleeve 301 is slidably sleeved on the screw rod 201; when the protruding keys 2011 extend into the first guide grooves 3011, the side walls of the protruding keys 2011 fit with the side walls of the first guide grooves 3011, and the screw rod 201 and the sliding sleeve 301 rotate synchronously, that is, when the sliding sleeve 301 rotates circumferentially, the screw rod 201 also rotates circumferentially; when the sliding sleeve 301 slides by a predetermined distance towards the guide portion 103, the guide portion 103 extends into the second guide groove 3012, and the protruding keys 2011 are separated from the first guide grooves 3011; at this time, rotating the sliding sleeve 301 makes the sliding sleeve 301 rotate circumferentially independently relative to the guide portion 103, without rotating the screw rod 201; in addition, because the sliding sleeve 301 is located outside the screw rod 201 and covers the end of the screw rod 201, the phenomenon of unintentionally rotating the screw rod 201 by the user during use is effectively avoided, and the anti-misrotation structure has an advantage over the prior art.

[0033] Further, in order to facilitate the rotation of the support leg body 10 and the extension end 91, the groove width of the groove 101 is greater than the thickness of the extension end 91, and in order to avoid the extension end 91 from making a large relative displacement with the groove 101 during rotation, as shown in Figure 3 the extension end 91 is sleeved with a sealing ring 911, and when the sliding member 202 is separated from the extension end 91, the side surface of the sealing ring 911 is in contact with the two side walls of the groove 101.

[0034] Further, in order to make the extension end 91 and the sliding member 202 closer more quickly, as shown in Figure 4 the screw rod 201 has a first threaded portion 2012 and a second threaded portion 2013, the screw threads of the first threaded portion 2012 and the second threaded portion 2013 are opposite in direction, the angle adjusting structure of the tripod support leg further includes an auxiliary pushing member 40, the sliding member 202 is in screw transmission connection with the second threaded portion 2013, and the auxiliary pushing member 40 is in screw transmission connection with the first threaded portion 2012.

[0035] It should be noted that when the screw rod 201 rotates in a direction, the auxiliary pushing member 40 and the sliding member 202 move towards each other, the auxiliary pushing member 40 provides a pushing force to the extension end 91 and pushes the extension end 91 to move closer to the sliding member 202, and at the same time, the sliding member 202 itself moves towards the extension end 91, achieving the purpose of quick abutting.

[0036] Further, in order to increase the angle fixation of the support leg body 10 and the extension end 91, as shown in Figure 4 the side of the extension end 91 close to the sliding member 202 is detachably provided with a rubber pad 912, and the detachable connection manner includes but is not limited to screw connection, and the side of the sliding member 202 close to the rubber pad 912 is provided with a plurality of needle stings 2021, when the sliding member 202 slides a predetermined distance, the needle stings 2021 penetrate into or out of the rubber pad 912.

[0037] It should be noted that when the needle stings 2021 penetrate into the rubber pad 912, the auxiliary pushing member 40 provides a supporting force to the extension end 91.

[0038] Further, in order to facilitate the replacement of the rubber pad 912, as shown in Figure 3As shown, one side wall of the groove 101 is designed separately from the support foot body 10, that is, one side wall of the groove 101 is formed by a dismounting block 1011, which is detachably connected with the support foot body 10 by screw connection. In addition, to avoid the needle 2021 moving towards the slide sleeve 301 during the process of being pulled out of the rubber pad 912, one end of the dismounting block 1011 close to the rubber pad 912 has a limiting portion 1014, and when the extension end 91 abuts against the limiting portion 1014, the extension end 91 cannot move towards the slide sleeve 301 any more.

[0039] Further, when used outdoors, to facilitate the drainage of rainwater falling into the groove 101, as shown, Figure 3 both side walls of the groove 101 have a through inclined hole 1012, and it is worth mentioning that the limiting portion 1014 also functions as a rain eave.

[0040] Further, to achieve the detachable rotary connection of the support foot body 10 and the extension end 91, as shown, Figure 3 both side walls of the groove 101 and the extension end 91 have a through hole 1013, and the angle adjusting structure of the tripod support foot further includes a shaft body 50 and an end cover 501, one end of the shaft body 50 has a blocking portion 502, one end of the shaft body 50 away from the blocking portion 502 penetrates the through holes 1013 on the two side walls of the groove 101 and the extension end 91, and the end cover 501 is detachably connected with the shaft body 50, specifically, the end cover 501 and one end of the shaft body 50 have matching threads, and the end cover 501 is threadedly connected with the shaft body 50.

[0041] In summary, the angle adjusting structure of the tripod support foot based on the embodiment of the present application is illustrated, which provides the angle adjusting structure of the tripod support foot with the advantages of anti-misrotation structure and the like.

[0042] It is worth mentioning that in the embodiment of the present application, the angle adjusting structure of the tripod support foot has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for the manufacturers, the angle adjusting structure of the tripod support foot provided by the present application is easy to produce and has low cost, which is more conducive to controlling the production cost and further conducive to product promotion and use.

[0043] Those skilled in the art should understand that the above description and the embodiments of the utility model shown in the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the implementation of the utility model can have any deformation or modification without departing from the principle.

Claims

1. A tripod support leg angle adjustment structure, in rotational connection with an extension end of a gimbal, characterized by: The angle adjusting structure of the tripod supporting leg comprises a supporting leg body, one end of the supporting leg body is provided with a recess and a rotating cavity, the extending end of the holder is inserted into the recess, one side of the supporting leg body is provided with a guide part; and a locking assembly, the locking assembly comprises a lead screw and a sliding piece, the sliding piece is screwingly connected with the lead screw, one end of the lead screw is provided with a plurality of convex keys, when the lead screw rotates, the sliding piece abuts against or separates from the extending end inserted into the recess; and an anti-misrotation assembly, the anti-misrotation assembly comprises a sliding sleeve, the sliding sleeve is provided with a plurality of first guide grooves and a second guide groove, when the sliding sleeve slides, the convex keys are inserted into the first guide grooves, or the guide part is inserted into the second guide groove, and the convex keys are separated from the first guide grooves, and one end of the sliding sleeve covering the lead screw with the convex keys.

2. The angle adjustment structure of a tripod support leg according to claim 1, characterized in that: The groove width of the recess is greater than the thickness of the extending end, the lead screw is provided with a first threaded part and a second threaded part, the screwing directions of the first threaded part and the second threaded part are opposite, the angle adjusting structure of the tripod supporting leg further comprises an auxiliary pushing piece, the sliding piece is screwingly connected with the second threaded part, and the auxiliary pushing piece is screwingly connected with the first threaded part.

3. The angle adjustment structure of a tripod support leg according to claim 2, characterized in that: One side of the extending end close to the sliding piece is provided with a rubber pad, one side of the sliding piece close to the rubber pad is provided with a plurality of needles, when the sliding piece slides a predetermined distance, the needles are inserted into or separated from the rubber pad.

4. The angle adjustment structure of a tripod support leg according to claim 3, characterized in that: A sealing ring is sleeved on the extending end, when the sliding piece separates from the extending end, the side surface of the sealing ring abuts against the two side walls of the recess.

5. The angle adjustment structure of a tripod support leg according to claim 4, characterized in that: The two side walls of the recess are provided with through inclined holes.

6. The angle adjustment structure of a tripod support leg according to claim 5, characterized in that: One side wall of the recess is detachably connected with the supporting leg body.

7. The angle adjustment structure of a tripod support leg according to claim 6, characterized in that: The two side walls of the recess and the extending end are provided with through holes, the angle adjusting structure of the tripod supporting leg further comprises a shaft body and an end cover, one end of the shaft body is provided with a blocking part, one end of the shaft body away from the blocking part penetrates the through holes on the two side walls of the recess and the extending end, and the end cover is detachably connected with the shaft body.

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