CN213299445U

CN213299445U - Tripod

Info

Publication number: CN213299445U
Application number: CN202021350287.8U
Authority: CN
Inventors: 张宏岳
Original assignee: KUPO (SHANGHAI) TRADE CO LTD
Current assignee: KUPO (SHANGHAI) TRADE CO LTD
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-05-28
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a tripod, including center tube, first support frame, second support frame, third support frame, locking piece and elastic component. The first support frame is sleeved and movably connected on the central pipe and is positioned above the second support frame and the third support frame. The second support frame is sleeved and rotatably connected to the central pipe, and a locking hole is formed in the joint of the second support frame and the central pipe. The third support frame is sleeved and fixedly connected to the central tube. The pipe wall of the central pipe is provided with a first opening and a second opening, and the connecting line of the first opening and the second opening is parallel to the axis of the central pipe; the first support frame is sleeved on the central pipe section where the first opening is located in a furled state, and the second opening corresponds to the locking hole. The locking piece is arranged in the central tube, and a first bulge corresponding to the first opening and a second bulge corresponding to the second opening are arranged on the locking piece in a protruding mode. The elastic part is positioned in the central tube and is used for providing elastic force required by the first protrusion extending out of the first opening and the second protrusion extending out of the second opening.

Description

Tripod

Technical Field

The utility model belongs to the technical field of photographic goods, especially, relate to a tripod.

Background

The tripod is a support used to stabilize the camera for some photographic effect, and the positioning of the tripod is very important.

Generally, people often ignore the importance of a tripod when using a digital camera to take pictures, and in fact, the picture taking is often not away from the help of the tripod, such as the aspects of star-track shooting, running water shooting, night scene shooting, microspur shooting and the like. The tripod has the function which is not neglected by amateur users and professional users, and the main function of the tripod is to stabilize the camera so as to achieve certain photographic effect. Most commonly, a tripod is used for long-time exposure, and a user needs a longer exposure time if the user wants to take a night scene or a picture with a surging track, and the user needs the help of the tripod if the user wants to prevent the camera from shaking. Therefore, the first element of selecting a tripod is stability.

The tripod of connecting three support frames is established to the cover in proper order on current, can realize opening fast and the location of three support frames, also can reciprocate along the center tube with the support frame that is located the top and be used for adapting to rugged and uneven ground. However, among the three supports, the support which can move up and down at the top is provided with a fixing structure for fixing the position of the support, one of the two supports at the bottom can be directly connected with the central tube, and the other support is necessarily required to move around the central tube relatively. When the tripod is opened for use, the rest of the supporting frame is not provided with a component for fixing the position of the supporting frame and the central tube, so that the supporting frame can be easily shaken to collapse the tripod at one touch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tripod is equipped with the locking piece to can open the unable fixed problem in back around the rotatory support frame of center tube among the solution prior art at the tripod.

The technical scheme of the utility model is that:

a tripod comprises a central pipe, a first support frame, a second support frame, a third support frame, a locking piece and an elastic piece;

the first support frame is sleeved on and movably connected to the central pipe, and the first support frame is positioned above the second support frame and the third support frame;

the second support frame is sleeved and rotatably connected to the central pipe, and a locking hole is formed in the joint of the second support frame and the central pipe;

the third support frame is sleeved and fixedly connected to the central pipe;

a first opening and a second opening are formed in the pipe wall of the central pipe, and a connecting line of the first opening and the second opening is parallel to the axis of the central pipe; the first support frame is sleeved on the central pipe section where the first opening is located in a furled state, and the second opening corresponds to the locking hole;

the locking piece is arranged in the central tube, and a first bulge corresponding to the first opening and a second bulge corresponding to the second opening are arranged on the locking piece in a protruding mode;

the elastic part is positioned in the central tube and is used for providing elastic force required by the first protrusion extending out of the first opening and the second protrusion extending out of the second opening;

in a furled state, the first support frame, the second support frame and the third support frame are positioned in the same plane, the first support frame seals the first opening, and the first bulge and the second bulge are positioned in the central tube;

in an open state, the first support frame moves upwards on the central tube, the second support frame rotates around the central tube, the first protrusion extends out of the first opening, and the second protrusion extends out of the second opening and is inserted into the locking hole to lock the relative positions of the second support frame and the central tube.

Preferably, the tripod of an embodiment of the present invention further includes a fixing portion, and the elastic member is a spring;

the locking piece is provided with a first surface and a second surface opposite to the first surface, the first surface is convexly provided with a first protrusion and a second protrusion, and the second surface is provided with a guide rod;

the fixing piece is connected with the central pipe, and a guide groove matched with the guide rod is formed in the fixing piece;

the guide rod is arranged in the guide groove, the spring is sleeved on the guide rod, and two ends of the spring are respectively contacted with the bottom surface of the guide groove and the second surface.

Preferably, the utility model discloses a tripod, the second surface epirelief is equipped with two the guide arm, corresponding two has been seted up on the mounting the guide way, two the guide arm is sliding connection respectively in corresponding in the guide way, two the cover is equipped with respectively on the guide arm the spring.

Preferably, in an embodiment of the present invention, the protruding length of the first protrusion gradually increases from top to bottom to form an inclined plane, and in the open state, an upper edge of the inclined plane is connected to an outer surface of the central tube.

Preferably, in an embodiment of the present invention, a lower surface of the second supporting frame is connected to an upper surface of the third supporting frame;

the lower surface of the second support frame is provided with a first boss, the upper surface of the third support frame is provided with a second boss corresponding to the first boss, and the first boss and the second boss are matched to limit the rotation angle of the second support frame relative to the third support frame;

the second opening is arranged at the relative position of the locking hole when the second boss is limited by the first boss.

Preferably, in an embodiment of the present invention, the first support frame, the second support frame and the third support frame have an included angle of 120 ° with each other in the open state.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:

(1) when the tripod is in a furled state, the first opening is sealed by the first support frame, and the locking hole on the second support frame is not aligned with the second opening, so that the first bulge and the second bulge cannot extend out of the corresponding first opening and the second opening, and the first bulge and the second bulge are both in the central tube; when opening, first support frame shifts up on the center tube, and the second support frame is relative to locking hole and second opening around the center tube rotation, and at this moment, the locking piece just moves to the center tube pipe wall under the effect of elastic component, and first arch stretches out first opening, and the second arch stretches out the second opening and stretches into the locking hole, locks the relative position of second support frame and center tube to the problem that the second support frame can't be fixed after the tripod is opened among the prior art has been solved. Meanwhile, after the first support frame slides downwards, the first protrusion is pressed back into the central tube by the first support frame, and at the moment, the second protrusion also retracts into the central tube from the second opening, so that the second support frame can rotate around the central tube and then returns to a folded state.

(2) An embodiment of the utility model provides a tripod, first arch have the inclined plane, can follow the inclined plane when making things convenient for first support frame whereabouts directly with first protruding pressure return center tube in, convenient and fast need not manually with first protruding pressure meeting center tube.

(3) An embodiment of the utility model provides a tripod, on the third support frame was located to the second boss, consequently the rigidity of second boss, on the second support frame was located to first boss, and the cooperation of second boss, at the in-process that the tripod was opened, the second support frame can one step put in place the rotation to predetermined position, align second opening and locking hole fast.

(4) An embodiment of the utility model provides a tripod for the structure of locking second support frame and center tube relative position is located the tripod, can not influence the pleasing to the eye of tripod.

Drawings

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic partial cross-sectional view of a tripod according to the present invention;

fig. 2 is a schematic structural view of a locking member of the present invention;

fig. 3 is a schematic cross-sectional view of a fixing member according to the present invention;

FIG. 4 is a schematic view of a spring and locking member connection according to the present invention;

fig. 5 is a schematic view of the installation of a locking member and a fixing member according to the present invention;

fig. 6 is a schematic view illustrating the installation of a locking member, a fixing member and a set screw according to the present invention;

fig. 7 is a schematic structural view of a tripod according to the present invention.

Description of reference numerals:

1: a first support frame; 2: a second support frame; 201: a locking hole; 3: a third support frame; 4: a central tube; 5: a locking member; 501: a first protrusion 501; 502: a second projection 502; 503: a guide bar; 6: a fixing member; 601: a guide groove; 7: a spring; 8: and (5) fixing the screw.

Detailed Description

The present invention provides a tripod, which is described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are merely intended to facilitate and distinctly illustrate the embodiments of the present invention.

Meanwhile, the expressions "first", "second", etc. are used only for the purpose of distinguishing a plurality of configurations, and do not limit the order between the configurations or other features.

Also, the expression "comprising" an element is an expression of "open" which merely means that there is a corresponding component, and should not be interpreted as excluding additional components.

Referring to fig. 1 to 7, the present embodiment provides a tripod including a central tube 4, a first support 1, a second support 2, a third support 3, a locking member 5, and an elastic member. The first support frame 1 is sleeved on and movably connected to the central tube 4, and the first support frame 1 is positioned above the second support frame 2 and the third support frame 3. The second support frame 2 is sleeved and rotatably connected to the central tube 4, and a locking hole 201 is formed at the joint of the second support frame 2 and the central tube 4. The third supporting frame 3 is sleeved and fixedly connected on the central tube 4. A first opening and a second opening are formed in the pipe wall of the central pipe 4, and the connecting line of the first opening and the second opening is parallel to the axis of the central pipe 4; the first support frame 1 is sleeved on the central tube 4 section where the first opening is located in a furled state, and the second opening corresponds to the locking hole 201. The locking element 5 is arranged in the central tube 4, and a first projection 501 corresponding to the first opening and a second projection 502 corresponding to the second opening are convexly arranged on the locking element 5. The elastic member is located in the center tube 4 for providing an elastic force required for the first protrusion 501 to protrude from the first opening and the second protrusion 502 to protrude from the second opening.

In a folded state, the first support frame 1, the second support frame 2 and the third support frame 3 are located in the same plane, the first support frame 1 closes the first opening, the locking hole 201 on the first support frame 1 is not aligned with the second opening, and the first protrusion 501 and the second protrusion 502 are located in the central tube 4.

In an opened state, the first support frame 1 moves upwards on the central tube 4, the second support frame 2 rotates around the central tube 4 until the locking hole 201 is opposite to the second opening, at this time, the locking member 5 moves towards the tube wall of the central tube 4 under the action of the elastic part, the first protrusion 501 extends out of the first opening, and the second protrusion 502 extends out of the second opening and is inserted into the locking hole 201 to lock the relative position of the second support frame 2 and the central tube 4.

When the first support frame 1 slides downwards, the first support frame 1 presses the first protrusion 501 back into the central tube 4, and at this time, the second protrusion 502 also retracts into the central tube 4 from the second opening, so that the second support frame 2 can rotate around the central tube 4 again and then returns to the folded state.

The structure of the present embodiment will now be explained.

The first support frame 1, the second support frame 2 and the third support frame 3 are sleeved on the central tube 4, wherein the second support frame 2 can be located above the third support frame 3 or below the third support frame 3. If the second support frame 2 is positioned on the third support frame 3, the third support frame 3 is fixedly connected to the central tube 4, and the second support frame 2 is placed on the third support frame; if the second support frame 2 is located below the third support frame 3, a platform can be provided at the bottom end of the central tube 4, on which the second support frame 2 is placed. Of course, no matter whether the second support frame 2 is located above or below the third support frame 3, in other embodiments, other ways may be used to fix the position of the second support frame 2 in the length direction of the central tube 4 so that it does not slide down while being able to rotate around the central tube 4. In this embodiment, the second support frame 2 is located above the third support frame 3, the third support frame 3 is fixedly connected to the central tube 4, the second support frame 2 is placed on the third support frame 3 while being sleeved on the central tube 4, and the second support frame does not slide up and down by using its own gravity and only rotates relative to the central tube 4.

The locking member 5 has a first surface on which a first protrusion 501 and a second protrusion 502 are protruded and a second surface opposite to the first surface on which a guide 503 is provided.

In this embodiment, a fixing member 6 is further included for mounting the locking member 5, determining the position of the locking member 5 in the center tube 4 and determining the moving track of the locking member 5 by the elastic member. The fixing piece 6 is arranged in the central tube 4 and is fixedly connected with the central tube 4 through a set screw 8. Of course, in other embodiments, the fixing member 6 and the central tube 4 may be fixedly connected in other manners. The fixing member 6 is provided with a guide groove 601 matching with the guide rod 503, and the guide rod 503 is positioned in the corresponding guide groove 601.

In this embodiment, the elastic member is a spring 7, the spring 7 is sleeved on the guide rod 503 and located between the guide rod 503 and the guide groove 601, two ends of the spring 7 are respectively contacted with the inner bottom surface and the second surface of the guide groove 601, the spring 7 is used for pressing the locking member 5 and the pipe wall of the central pipe 4, when the first opening and the second opening are opened, the first protrusion 501 is driven to extend out of the first opening, and the second protrusion 502 extends out of the second opening and is inserted into the locking hole 201.

Specifically, in this embodiment, the locking member 5 is provided with two guide rods 503, and correspondingly, the fixing member 6 is provided with two corresponding guide grooves 601, which are provided with two springs 7. If only one guide rod 503, the corresponding guide groove 601 and the corresponding spring 7 are provided, the locking member 5 can be easily rotated when the cross-sectional shape of the guide rod 503 is circular, and the positions of the first projection 501 and the second projection 502 do not correspond to the positions of the first opening and the second opening. Therefore, two or more guide rods 503 and the corresponding guide grooves 601 and springs 7 may be provided to solve this problem. Again for simplicity, in this embodiment, two guide rods 503 and their associated guide slots 601 and springs 7 are selected.

The structure for fixing the position of the second support frame 2 in the length direction of the central tube 4 in this embodiment, that is, the locking member 5, the fixing member 6 and the spring 7 are all located in the central tube 4, only the first protrusion 501 and the second protrusion 502 which extend out of the central tube 4, and the second protrusion 502 extends out of the central tube 4 and then is inserted into the locking hole 201 of the second support frame 2, so the first protrusion 501 is exposed on the surface of the tripod, and the size of the first protrusion 501 is small, which does not affect the beauty of the tripod.

Further, the protruding length of the first protrusion 501 is gradually increased from top to bottom, so that it forms an inclined surface. The upper edge of the ramp meets the outer surface of the central tube 4. Like this, when first support frame 1 moved to the in-process of position when drawing in the state from top to bottom on center tube 4, first support frame 1 can be along the inclined plane directly with first arch 501 press back to in the center tube 4, convenient and fast need not manually to press back first arch 501 to center tube 4.

Further, the lower surface of the second support frame 2 is connected with the upper surface of the third support frame 3, a first boss is arranged on the lower surface of the second support frame 2, a second boss corresponding to the first boss is arranged on the upper surface of the third support frame 3, and the first boss and the second boss are matched to limit the rotation angle of the second support frame 2 relative to the third support frame 3. Meanwhile, a second opening is provided at a relative position of the locking hole 201 when the second boss is restricted by the first boss. This allows the preset position to be reached quickly when opening the tripod, quickly aligning the second opening and the locking hole 201.

Further, in view of stability of the tripod, the first support 1, the second support 2 and the third support 3 may have an angle of 120 ° with respect to each other in the open state.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.

Claims

1. A tripod is characterized by comprising a central pipe, a first support frame, a second support frame, a third support frame, a locking piece and an elastic piece;

the third support frame is sleeved and fixedly connected to the central pipe;

2. A tripod according to claim 1, further comprising a fixed member, said elastic member being a spring;

3. A tripod according to claim 2, wherein two guide rods are protruded from the second surface, two corresponding guide slots are formed in the fixing member, the two guide rods are slidably connected to the corresponding guide slots, and the spring is sleeved on each of the two guide rods.

4. A tripod according to claim 1, wherein the protruding length of said first projection increases gradually from top to bottom to form a ramp, the upper edge of said ramp being in contact with the outer surface of said central tube in said open position.

5. A tripod according to claim 1, wherein a lower surface of said second support frame meets an upper surface of said third support frame;

6. A tripod according to claim 5, wherein said first, second and third supports are at an angle of 120 ° to each other in the open state.