Tripod

Abstract

A tripod characterized in that it comprises: a mounting sleeve having a through-hole; a central shaft movably inserted into the through-hole along its axial direction, the central shaft being designed to support an object; and at least three support legs, which are telescopic support legs and one end of the support legs being rotatably attached to the mounting sleeve by means of a leg joint, each leg joint and the central shaft being connected to each other by means of a connecting rod and both ends of the connecting rod being rotatably connected to the leg joint and the central shaft; wherein the leg joint has a one-piece construction or a split construction.

Description

The present application claims priority to Chinese Patent Application No. 2024221773799.3 entitled "Tripod" filed on July 24, 2024, and to Chinese Patent Application No. 202422832251.8 entitled "Tripod" filed on November 19, 2024, the entire contents of which are incorporated herein by reference.Technical FieldThe present invention relates to the technical field of photo equipment, and more particularly to a tripod.Background ArtExisting tripods include a mounting seat, a central shaft and three support legs, the central shaft being inserted into the mounting seat, the three support legs being hingedly connected to the fixed seat and being connected to the central shaft via a connecting rod, one end of the connecting rod being hingedly connected to the bottom of the central shaft and the other end of the connecting rod being hingedly connected to a slider on an inner side wall of the support legs and the slider being slidably provided in a sliding groove of the support legs.However, the sliding coordination structure of the connecting rod and the support leg greatly restricts the shape and size of the support leg, so that the conventional telescopic support leg is unsuitable for this stand, and the length of the support leg is fixed, which in turn results in a relatively limited range of adjustment of the support height of this stand, and the application scenarios are thus restricted.Content of the Utility ModelThe main purpose of the present invention is to provide a stand that enables telescopic adjustment of the support legs, extends the range of adjustment of the stand support height, and extends application scenarios.To achieve the above purpose, the present invention provides a tripod comprising:a mounting sleeve provided with a through bore;a center shaft movably inserted into the through hole along an axial direction thereof, the center shaft being configured to support an object; andat least three support legs, wherein the support legs are telescopic support legs, and one end of the support legs is rotatably provided on the fastening sleeve by means of a leg joint, wherein each leg joint and the central shaft are connected to each other by means of a connecting rod, and both ends of the connecting rod are rotatably connected to the leg joint and the central shaft;wherein the leg joint has a one-piece construction or a split construction.Optionally, the stand further comprises a connecting receptacle, wherein the connecting receptacle is arranged on the bottom of the central shaft and the connecting rod is arranged rotatably on the connecting receptacle. Optionally, the fixing sleeve is provided with a deformation portion forming at least a part of the wall of the through hole, and the leg joint is provided with an abutment surface opposing the deformation portion; the deformation portion tightly abuts the center shaft when the support leg is in a deployed state; a gap exists between the deformation portion and the center shaft when the support leg is in a closed state.Optionally, the fastening sleeve comprises a first fastening receptacle and a second fastening receptacle, wherein the first fastening receptacle and the second fastening receptacle are connected to one another and form a plurality of receiving grooves in an annular manner, each of which is assigned to a support leg, and an end section of the leg joint is provided rotatably within the receiving grooves.Optionally, a protrusion is provided between each of the receiving grooves and the through hole in the second mounting seat to form the deformation portion; and / or when the leg joint is a one-piece structure, the abutment surface is provided on the upper surface of the leg joint, and an end of the connecting rod is rotatably provided on the leg joint; when the leg joint is a split structure, the leg joint includes a first joint and a second joint spaced apart from each other on the support leg, the abutment surface is provided on the upper surface of the first joint, and an end of the connecting rod is rotatably provided on the second joint.Optionally, the stand further comprises a locking assembly, wherein the locking assembly is disposed in the mounting sleeve and configured to lock the central shaft when the support leg is in a deployed state.Optionally, the locking assembly comprises an operating element and a locking element, wherein the locking element is arranged in the fastening sleeve, the operating element abuts the locking element and is configured to control the locking element to release or lock the central shaft.Optionally, the control is a lever or knob; and / or when the leg joint is a one-piece construction, an end of the connecting rod is rotatably provided on the leg joint; when the leg joint is a split construction, the leg joint includes a first joint and a second joint spaced apart from each other on the support leg, and an end of the connecting rod is rotatably provided on the second joint.Optionally, when the operation member is a clamping lever and the locking member is a moving block, the fixing sleeve is provided with a mounting hole connected to the through hole, the moving block is placed in the mounting hole, and the moving block can be inserted into the through hole, and an end of the clamping lever is rotatably provided in the mounting hole and abuts on the moving block.Optionally, the spread angles of the support legs are all between 0° and 90°.In the technical solution of the present utility model, the tripod includes a mounting sleeve, a center shaft, and at least three support legs; the mounting sleeve is provided with a through hole; the center shaft is movably inserted into the through hole along its axial direction, and the center shaft is configured to support an object; at least three support legs, the support legs are telescopic support legs, and one end of the support legs is rotatably provided to the mounting sleeve via a leg joint, each leg joint and the center shaft are connected to each other via a connecting rod, and both ends of the connecting rod are rotatably connected to the leg joint and the center shaft. It is understood that the present invention attaches a leg joint to an end of the support leg and rotatably fixes the connecting rod to the leg joint, so that the support leg does not need to be provided with a slide groove and a slider. In this way, conventional hollow rod-shaped telescopic support legs can be used as support legs of the stand, whereby a telescopic adjustment of the support legs is realized, the adjustment range of the stand support height is expanded and the application scenarios are expanded.FIGS. FiguresIn order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the present invention, the following briefly presents the accompanying drawings, which must be used in the description of the specific embodiments or the prior art. It is obvious that the appended drawings in the following description represent some of the embodiments of the present invention, and that other drawings can be obtained based on the appended drawings for general technical personnel in this field, provided that they do not perform any user's work. FIG. 1 is a schematic structural diagram of an embodiment of the stand of the present invention when the support legs are in a closed state; FIG. 2 is a schematic structural diagram of an embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 3 is a schematic structural diagram from another viewpoint in an embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 4 is a plan view of an embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 5 is an exploded view of an embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 6 is a schematic structural diagram of an embodiment of the tripod of the present invention when the support legs are in a deployed state and the legs are deployed; FIG. 7 is a schematic structural diagram of the leg joint and the second mounting bracket in an embodiment of the tripod of the present invention; FIG. 8 is a diagram showing the cooperation relationship among the leg joint, the second mounting bracket, and the center shaft in an embodiment of the tripod of the present invention when the support legs are in a closed state; FIG. 9 is a diagram showing the cooperation relationship among the leg joint, the second mounting bracket, and the center shaft in an embodiment of the tripod of the present invention when the support legs are in a deployed state; FIG. 10 is a cross-sectional view of an embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 11 is a plan view of the leg joint, the second mounting bracket, and the center shaft in an embodiment of the tripod of the present invention when the support legs are in a deployed state; FIG. 12 is a schematic structural diagram of another embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 13 is an exploded view of another embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 14 is a cross-sectional view of another embodiment of the stand of the present invention when the support legs are in a deployed state and the clamping lever is in a locked position; FIG. 15 is a cross-sectional view of another embodiment of the stand of the present invention when the support legs are in a deployed state and the clamping lever is in a released position; FIG. 16 is a schematic structural diagram of another embodiment of the stand of the present invention when the support legs are in a deployed state; FIG. 17 is a schematic structural diagram of another embodiment of the stand of the present invention from another angle when the support legs are in a deployed state; FIG. 18 is an exploded view of another embodiment of the stand of the present invention when the support legs are in a deployed state.Reference numerals in the figures:10. Fastening sleeve; 20th Central shaft; 30th Support leg; 40th Leg joint; 50th Connecting rod; 21st Connecting receptacle; 121. Deformation portion; 401. Contact surface; 11. first fastening receptacle; 12. second fastening receptacle; 10a. Receiving groove; 61st clamping lever; 62th movement block; 70th support platform; 41st first joint; 42th second joint.The realization of the purpose, the functional characteristics and the advantages of the present invention will be described in more detail in connection with the embodiments and with reference to the accompanying drawings.Specific EmbodimentsHereinafter, the technical solutions in the embodiments of the present invention will be clearly and fully described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the description of the embodiments only represents a part of the embodiments of the present application and not all the embodiments. Based on the embodiments in the present invention, all other embodiments which general technical personnel obtain without any creative efforts fall within the scope of the present invention. Note that when the embodiments of the present invention include direction information (such as up, down, left, right, front, rear, etc.), the direction information is used only to explain relative positional relationship, movement state, etc. among the components in a certain posture (as illustrated in the accompanying drawings). If the specific posture changes, the direction information changes accordingly.In the present utility model, the terms "installation" are used,"Attachment" and "connection" are to be understood in a broader sense unless expressly stated otherwise or restricted. For example, it may be a fixed connection, a detachable connection or a one-piece connection; it may be a mechanical connection or an electrical connection; it may be a direct connection, an indirect connection via an intermediate medium or a connection within the two elements. For general technical personnel in this field, the specific meaning of the above terms in the present invention can be understood depending on the specific circumstances.In addition, in the embodiments of the present invention, when descriptions including "first", "second", etc., are given, the descriptions of "first", "second", etc. are only for differentiated description, and are not to be understood as indicating the relative meaning or including an indication of the amount of the technical features indicated. Thus, features defined as "first" and "second" may expressly or implicitly comprise at least one of these features. Moreover, when "and / or" is in full text, it means that three parallel plans are included, including plan A or plan B or a plan satisfying both A and B, taking "A and / or B" as an example. Moreover, the technical solutions in different embodiments can be combined with each other, but this must be based on the knowledge of general technical personnel. If the combination of technical solutions is conflicting or cannot be realized, it should be considered that such combination of technical solutions does not exist and is also not within the scope of the present invention.The present invention provides a stand which can be used without limitation for photo assist devices such as cameras, cell phones and video cameras or projector mounts, etc., but is not limited thereto.Referring to FIGS. 1 to 6, in an embodiment of the present invention, the tripod includes a mounting sleeve 10, a center shaft 20, and at least three support legs 30; the mounting sleeve 10 is provided with a through hole; the center shaft 20 is movably inserted into the through hole along its axial direction, and the center shaft 20 is configured to support an object; at least three support legs 30, the support legs 30 being telescopic support legs, one end of the support legs 30 being rotatably provided to the mounting sleeve 10 via a leg joint 40, each leg joint 40 and the center shaft 20 being connected to each other via a connecting rod 50, and both ends of the connecting rod 50 being rotatably connected to the leg joint 40 and the center shaft 20; wherein the leg joint 40 is of a one-piece construction or a split construction, which is not limited here.In the present embodiment, the fixing sleeve 10 may have a one-piece structure or be composed of two or more components, which is not limited here.The central shaft 20 may take on as a whole a tubular structure with a square or circular cross-section and may be a single shaft or a structure of several tie rods connected one behind the other, so that it can be manually stretched to adjust its length and thereby adjust the supporting height. The structure of the central shaft 20 is not restricted.In this embodiment, in order to facilitate the connection of cameras and other objects, a support platform 70 may be installed on the upper surface of the center shaft 20, and commercially available 1 / 4 or 3 / 8 standard screws, etc. may be mounted on the support platform 70, which is not limited here.It is understood that the present invention attaches a leg joint 40 to one end of the support leg 30 and rotatably attaches the connecting rod 50 to the leg joint 40, so that the support leg 30 does not need to be provided with a slide groove and a slider. In this way, conventional hollow rod-shaped telescopic support legs can be used as support legs 30 of the stand, whereby a telescopic adjustment of the support legs 30 is realized, the adjustment range of the stand support height is widened, the application scenarios are improved and the production costs of the stand are also reduced.It should be noted that the telescopic support legs, as shown in Fig. 6, consist of more than two pipe sections which can be manually pulled out or pushed back, and that the length can be adjusted, whereby the support height of the stand can be changed.In order to further improve the stability of the stand-supported object, as shown in FIGS. 3 and 5, in an embodiment, the stand may further include a connection seat 21, the connection seat 21 is provided at the lower end of the center shaft 20, and the connection rod 50 is rotatably installed on the connection seat 21, the connection seat 21 may also be configured to hang a counterweight, thereby further enhancing the stability of the stand-supported object.Referring to FIGS. 5 to 18, in some embodiments, the tripod mounting sleeve 10 is provided with a deformation portion 121 forming at least a part of the wall of the through hole, and the leg joint 40 is provided with an abutment surface 401 facing the deformation portion 121; as shown in FIG. 9, the deformation portion 121 tightly abuts on the center shaft 20 when the support leg 30 is in a deployed state; as shown in FIG. 8, a gap exists between the deformation portion 121 and the center shaft 20 when the support leg 30 is in a closed state. Such an arrangement obviates the need for an additional locking mechanism, simplifies the structure of the stand, and helps save cost; moreover, operation steps such as pulling the clamping lever or rotating the handle are omitted, making the operation more comfortable for the user.In the first situation, as shown in Figs. 1-15, the leg joints 40 all have a one-piece structure. At this time, the abutment surface 401 is provided at the upper end of the leg joint 40, and one end of the connecting rod 50 is rotatably provided at the leg joint 40.In the second situation, as shown in FIGS. 16 to 18, when the leg joints 40 all have a split structure, the leg joints 40 include a first joint 41 and a second joint 42 spaced apart from each other at the support legs 30. The abutment surface 401 is provided at the upper end of the first link 41, and one end of the connecting rod 50 is rotatably provided at the second link 42.Of course, in some embodiments, the structures of the leg joints 40 on each support leg 30 may be the same or different. For example, one of them has a one-piece structure and the other two have a split structure, which is not limited here.It should be noted that the technical solution provided in the present invention is not limited to the above two situations, and the general technical person can appropriately or appropriately deform the leg joint 40 according to his experience (e.g., convert the leg joint 40 into a divided structure having a plurality of segments), and wherever a feature such as a connecting structure, a part or a assembly is provided on the support leg 30 (collectively referred to as the leg joint 30), and the connecting rod 50 is rotatably provided on such a feature that the support leg 30 does not need to be provided with a slide groove and a slider, thereby realizing the purpose of using conventional hollow rod-shaped telescopic support legs as the support legs 30 of this stand, all of which fall within the concept of the present invention.Further, as shown in FIGS. 5 to 7, in order to facilitate the processing of the structure on each fixing sleeve 10 and improve the ease of assembly, the fixing sleeve 10 may include a first fixing seat 11 and a second fixing seat 12, the first fixing seat 11 and the second fixing seat 12 are connected to each other and annularly form a plurality of receiving grooves 10a each associated with a support leg 30, and an end portion of the leg joint 40 is rotatably provided within the receiving grooves 10a.In the present embodiment, a protrusion is provided between each of the receiving grooves 10 aand the through hole in the second mounting seat 12 to form the deformation portion 121.Referring to FIGS. 12 to 15, in order to expand the opening area of the support legs 30 of the stand and meet the support requirements for other application scenarios, the stand may further include a locking assembly, wherein the locking assembly is disposed in the mounting sleeve 10 and configured to lock the center shaft 20 when the support leg 30 is in a deployed state, in another embodiment. In this case, there should always be a gap between the central shaft 20 and the wall of the through bore in order to ensure that the support leg 30 can rotate in a relatively large region.In the present embodiment, the locking assembly includes an operating element and a locking element, wherein the locking element is arranged in the fastening sleeve 10, the operating element abuts the locking element and is configured to control the locking element for releasing or locking the central shaft 20. In the present embodiment, the operation member may be a clamping lever 61 or a rotating knob, which is not limited here.As shown in FIGS. 12 to 15, when the operation member is a clamping lever 61 and the locking member is a moving block 62, the fixing sleeve 10 is provided with a mounting hole connected to the through hole, the moving block 62 is placed in the mounting hole, and the moving block 62 can be inserted into the through hole, and one end of the clamping lever 61 is rotatably provided in the mounting hole and abuts on the moving block 62.Moreover, in the present embodiment, when the leg joint 40 is a one-piece structure, one end of the connecting rod 50 is rotatably provided on the leg joint 40; when the leg joint 40 is a split structure, the leg joint 40 includes a first joint 41 and a second joint 42 spaced apart from each other on the support leg 30, and one end of the connecting rod 50 is rotatably provided on the second joint 42. In this technical solution, there is always a gap between the central shaft 20 of the stand and the wall of the through bore of the fastening sleeve 10, which gap makes possible a continuous setting of the opening angle of the support legs 30 between 0° and 90°. By using the above-mentioned locking structure to lock the center shaft 20, the requirements for the support stability of the support legs 30 at different opening angles are effectively ensured and the stand can be adapted to different off-road or desktop application scenarios, so that the user can select any required angle depending on the need for use, which significantly improves comfort and operability.The above descriptions are merely optional embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent structural transformations made using the contents of the specification and the drawings of the present utility model or applied directly / indirectly to other related technical fields within the scope of patent protection of the present utility model, within the scope of the present invention.

Claims

A tripod characterized by comprising: a mounting sleeve provided with a through hole; a center shaft movably inserted into the through hole along its axial direction, the center shaft being configured to support an object; and at least three support legs being telescopic support legs, and one end of the support legs being rotatably provided to the mounting sleeve by a leg joint, each leg joint and the center shaft being connected to each other by a connecting rod, and both ends of the connecting rod being rotatably connected to the leg joint and the center shaft; wherein the leg joint has a one-piece construction or a split construction.The stand according to claim 1, characterized in that the stand further comprises a connecting receptacle, wherein the connecting receptacle is arranged on the bottom of the central shaft and the connecting rod is rotatably arranged on the connecting receptacle.The tripod according to claim 1, characterized in that the fixing sleeve is provided with a deformation portion forming at least a part of the wall of the through hole, and the leg joint is provided with an abutment surface opposing the deformation portion; the deformation portion tightly abuts the center shaft when the support leg is in a deployed state; a gap exists between the deformation portion and the center shaft when the support leg is in a closed state.Stand according to claim 3, characterised in that the fastening sleeve comprises a first fastening receptacle and a second fastening receptacle, wherein the first fastening receptacle and the second fastening receptacle are connected to one another and form a plurality of receiving grooves in the form of a ring, each of which is assigned to a support leg, and an end section of the leg joint is provided rotatably within the receiving grooves.The tripod according to claim 4, characterized in that a protrusion is provided between each of the receiving grooves and the through hole in the second mounting seat to form the deformation portion; and / or when the leg joint is a one-piece structure, the abutment surface is provided on the upper surface of the leg joint, and an end of the connecting rod is rotatably provided on the leg joint; when the leg joint is a split structure, the leg joint includes a first joint and a second joint spaced apart from each other on the support leg, the abutment surface is provided on the upper surface of the first joint, and an end of the connecting rod is rotatably provided on the second joint.The tripod according to claim 1 or 2, characterized in that the tripod further comprises a locking assembly, wherein the central shaft has a gap between the central shaft and the wall of the through bore, wherein the locking assembly is arranged in the fastening sleeve and is configured for locking the central shaft when the support leg is in a deployed state.Stand according to claim 6, characterised in that the locking assembly comprises an operating element and a locking element, wherein the locking element is arranged in the fastening sleeve, the operating element abuts the locking element and is designed for controlling the locking element for releasing or locking the central shaft.The tripod according to claim 7, characterized in that the operating element is a lever or knob; and / or when the leg joint is a one-piece construction, an end of the connecting rod is rotatably provided on the leg joint; when the leg joint is a split construction, the leg joint comprises a first joint and a second joint spaced apart from each other on the support leg, and an end of the connecting rod is rotatably provided on the second joint.The tripod according to claim 8, characterized in that when the operation member is a clamping lever and the locking member is a moving block, the fixing sleeve is provided with a mounting hole connected to the through hole, the moving block is placed in the mounting hole, and the moving block can be inserted into the through hole, and an end of the clamping lever is rotatably provided in the mounting hole and abuts against the moving block.Stand according to claim 6, characterised in that the spread angles of the support legs are all between 0° and 90°.

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