Photographing support telescopic structure

Abstract

A photographic support telescopic structure, comprising at least two sections of telescopic sleeves connected together and a telescopic locking structure, the telescopic locking structure comprising a tension ring, a wrench with an eccentric shaft hole, a wrench swing shaft, a tension pin and a spring; the tension ring is sleeved on the larger telescopic sleeve of the two telescopic sleeves connected together; an anti-shaking ring is arranged on the tension ring; a connecting arc connecting the tension ring and the anti-shaking ring into one and a separation gap separating them to be independently tensioned are arranged between the tension ring and the anti-shaking ring; an open slot and an anti-rotation locking screw transversely arranged on the open slot are arranged on the anti-shaking ring; an anti-axial disengagement structure is arranged between the anti-shaking ring and the telescopic sleeve sleeved with the anti-shaking ring; the wrench swing shaft is arranged in the eccentric shaft hole of the wrench and connected with the tension pin transversely arranged on the tension ring; and the spring is arranged on the section of the tension pin located in the tension ring. The structure of the utility model is more reasonable, the user experience is good, and the photographic effect is ensured.

Description

Technical Field

[0001] This utility model relates to a photography stand. Background Technology

[0002] We know that most camera tripods are telescopic to facilitate carrying and adjustment to a suitable shooting height during use. The compact camera tripod described in patent publication number CN 217130877 U has a latching device comprising a tension ring, a wrench, a rotating shaft, a tensioning shaft, and a spring. The rotating shaft and the wrench work together to pull the tensioning shaft, switching between a clamped and loosened tension ring state to lock it in place. However, during use, we found that when the wrench is released, the tension ring on the telescopic tube becomes somewhat loose. This causes the tension ring to wobble when the wrench is operated, affecting the user experience and potentially leading to instability in the camera tripod, thus impacting the shooting results. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a telescopic structure for a camera stand that has a more reasonable structure and helps to ensure the photographic effect.

[0004] To solve the aforementioned technical problems, this utility model adopts the following technical solution:

[0005] A telescopic structure for a photographic support includes at least two telescopic tubes that can be telescopically fitted together, and a telescopic locking structure for controlling the telescopic adjustment between the two fitted telescopic tubes. The telescopic locking structure includes a tension ring, a wrench with an eccentric shaft hole, a wrench swing shaft, a tension pin, and a spring. The tension ring is fitted onto the larger of the two fitted telescopic tubes. An anti-sway ring is provided on the tension ring and fitted onto the telescopic tube further inward than the tension ring. A connecting arc connecting the tension ring and the anti-sway ring and a separating notch separating them into independently adjustable sections are provided between the tension ring and the anti-sway ring. An opening groove is provided on the anti-sway ring and an anti-rotation locking screw passing through the opening groove to prevent the tension ring and the anti-sway ring from rotating. An anti-axial disengagement structure is provided between the anti-sway ring and the fitted telescopic tube. The wrench swing shaft is located in the eccentric shaft hole of the wrench and connected to a tension pin passing through the tension opening of the tension ring. The spring is located on the tension pin located in the tension opening of the tension ring.

[0006] In the improved design of the telescopic structure of the above-mentioned camera bracket, the anti-axial disengagement structure includes a groove on the larger of the two telescopic tubes that are fitted together and a convex ring on the inner wall of the anti-sway ring; when the anti-sway ring undergoes elastic deformation, the convex ring can slide into or out of the groove.

[0007] In the improved design of the telescopic structure of the above-mentioned camera bracket, the connecting arc is a semi-circular arc in the top view, and its inner diameter corresponds to the diameter of the larger of the two telescopic tubes that are nested together.

[0008] Compared with the prior art, the beneficial effects of this utility model are as follows: Because an anti-sway ring is provided on the tension ring, and a connecting arc connecting them and a separating notch allowing for independent adjustment of tension, tightening the anti-sway ring's opening groove with the anti-rotation locking screw to prevent it from rotating and dislodging from the telescopic tube will not affect the operation wrench for adjusting the extension and retraction of adjacent telescopic tubes. This allows for good telescopic adjustment of the photography bracket, similar to the compact photography bracket with patent authorization announcement number CN 217130877 U. Furthermore, because the tension ring and the anti-sway ring are connected by the connecting arc, and the anti-sway ring is always locked to the telescopic tube with the anti-rotation locking screw, even when the wrench is loosened, the tension ring on the telescopic tube will not loosen or wobble due to axial reduction. This does not affect the user's operating experience and reduces bracket loosening during photography. Therefore, the structure of this utility model is more reasonable, provides a better user experience, and helps ensure photographic quality.

[0009] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments: Attached Figure Description

[0010] Figure 1 This is a three-dimensional schematic diagram of an embodiment of the present utility model. Figure 1 ;

[0011] Figure 2 This is a three-dimensional schematic diagram of an embodiment of the present utility model. Figure 2 ;

[0012] Figure 3 This is a schematic diagram of the assembly of two adjacent telescopic tubes according to an embodiment of the present invention;

[0013] Figure 4 yes Figure 3 A magnified view of part I;

[0014] Figure 5 This is a three-dimensional schematic diagram of the elastic ring and anti-sway ring that are integrated into one piece according to an embodiment of this utility model. Detailed Implementation

[0015] A telescopic structure for a photography stand, such as Figures 1 to 5As shown, the device includes at least two telescopic tubes 1 that can be telescopically connected together, and a telescopic locking structure 2 for controlling the telescopic adjustment between the two telescopic tubes 1. The telescopic locking structure 2 includes a tension ring 21, a wrench 22 with an eccentric shaft hole 221, a wrench swing shaft 23, a tensioning pin 24, and a spring 25. The tension ring 21 is fitted onto the larger of the two telescopic tubes 1. An anti-sway ring 26 is provided on the tension ring 21 and fitted onto the telescopic tube further inwards. A connecting arc 21 connects the tension ring 21 and the anti-sway ring 26. 7 and a separating notch 28 that can be independently tightened and loosened; an opening groove 261 and an anti-rotation locking screw 29 that runs through the opening groove 261 to prevent the loosening ring 21 and the anti-sway ring 26 from rotating; an anti-axial disengagement structure 3 is provided between the anti-sway ring 26 and the telescopic tube 1 that is sleeved with it; the wrench swing shaft 23 is provided in the eccentric shaft hole 221 of the wrench 22 and is connected to the tension pin 24 that runs through the tension opening 211 of the loosening ring 21; the spring 25 is provided on the section of the tension pin 24 located in the tension opening 211 of the loosening ring 21.

[0016] When installing the telescopic locking structure, the integrated tension ring 21 and anti-sway ring 26 are fitted together onto the larger of the two connected telescopic tubes 1, with the anti-sway ring positioned inwards on the larger tube. At this point, the anti-axial disengagement structure 3 prevents the telescopic locking structure from disengaging from the telescopic tube. Then, tightening the anti-rotation locking screw 29 prevents the anti-sway ring from rotating within the telescopic tube. The operation for adjusting the telescopic reach of the camera bracket is the same as that of the compact camera bracket with patent publication number CN217130877 U, and will not be detailed here.

[0017] As can be seen from the above, because the tension ring 21 is provided with an anti-sway ring 26, and there is a connecting arc 27 connecting them together and a separating notch 28 separating them into independent tightness levels, when the anti-rotation locking screw 29 is used to tighten the opening groove 261 of the anti-sway ring 26 to prevent the anti-sway ring from rotating and coming off the telescopic tube, it will not affect the operation wrench 22 to adjust the extension and retraction of the two adjacent telescopic tubes. Thus, it can maintain good telescopic adjustment of the photography bracket, just like the compact photography bracket with patent authorization announcement number CN 217130877 U. In addition, since the tension ring 21 and the anti-sway ring 26 are connected together by the connecting arc 27, and the anti-sway ring 26 is always locked on the telescopic tube with the anti-rotation locking screw 29, even when the wrench 22 is loosened, the tension ring 21 on the telescopic tube 1 will not loosen or wobble in the axial direction. This will not affect the user's operating experience and reduce the loosening of the bracket during photography. Therefore, the structure of this utility model is more reasonable and the user experience is better, and it helps to ensure the photography effect.

[0018] In this embodiment, the anti-axial disengagement structure 3 includes a groove 31 on the larger of the two sleeved telescopic tubes 1 and a protruding ring 32 on the inner wall of the anti-sway ring 26; when the anti-sway ring 26 undergoes elastic deformation, the protruding ring 32 can slide into or out of the groove 31. Of course, the anti-axial disengagement structure 3 can also be other structures, such as a structure with multiple spaced protrusions or concave points.

[0019] Preferably, the connecting arc 27 is a semi-circular arc in the top view to ensure the connection strength between the tension ring and the anti-sway ring. The inner diameter of the connecting arc 27 corresponds to the diameter of the larger of the two telescopic tubes 1 that are fitted together.

[0020] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" used to indicate the orientation or positional relationship are based on the orientation and positional relationship shown in the drawings or the installation and use method of the product as the reference orientation of the drawings. These are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the content of the claims of the present utility model shall fall within the technical scope of the present utility model.

Claims

1. A telescopic structure for a photographic support, comprising at least two telescopically sleeved sections, a telescopic locking structure for controlling the telescopic adjustment between the two sleeved telescopic sections, the telescopic locking structure comprising a tension ring, a wrench with an eccentric shaft hole, a wrench swing shaft, a tension pin, and a spring, characterized in that: The tensioning ring is fitted onto the larger of the two connected telescopic tubes; an anti-sway ring is provided on the tensioning ring, fitted further inward onto the telescopic tube than the tensioning ring; a connecting arc connecting the tensioning ring and the anti-sway ring and a separating notch separating them into independent tightening and loosening sections are provided between the tensioning ring and the anti-sway ring; an opening groove is provided on the anti-sway ring and an anti-rotation locking screw passing through the opening groove to prevent the tensioning ring and the anti-sway ring from rotating; an anti-axial disengagement structure is provided between the anti-sway ring and the telescopic tube it fits onto; the wrench swing shaft is located in the eccentric shaft hole of the wrench and is connected to the tensioning pin passing through the tensioning opening of the tensioning ring; the spring is located on the section of the tensioning pin located in the tensioning opening of the tensioning ring.

2. The photographic support according to claim 1, characterized in that: The anti-axial disengagement structure includes a groove on the larger of the two sleeved telescopic tubes and a convex ring on the inner wall of the anti-sway ring; when the anti-sway ring undergoes elastic deformation, the convex ring can slide into or out of the groove.

3. A photographic support according to claim 1 or 2, wherein: The connecting arc is a semi-circular arc when viewed from above, and its inner diameter corresponds to the diameter of the larger of the two telescopic tubes that are nested together.

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