CN217634883U - Center shaft supporting device and photographing foot stand - Google Patents
Center shaft supporting device and photographing foot stand Download PDFInfo
- Publication number
- CN217634883U CN217634883U CN202221286337.XU CN202221286337U CN217634883U CN 217634883 U CN217634883 U CN 217634883U CN 202221286337 U CN202221286337 U CN 202221286337U CN 217634883 U CN217634883 U CN 217634883U
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- mounting seat
- mounting
- axis
- locking mechanism
- bottom bracket
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Abstract
The utility model discloses a axis strutting arrangement and photographic foot rest, axis strutting arrangement wherein includes: a first mounting seat; the second mounting seat is movably connected with the first mounting seat so as to rotate around the first axis relative to the first mounting seat; the third mounting seat is movably connected with the second mounting seat so as to rotate around a second axis relative to the second mounting seat, the first axis and the second axis form an included angle, and a first mounting hole for inserting the middle shaft tube is formed in the third mounting seat; the first locking mechanism is arranged between the second mounting seat and the third mounting seat, and the third mounting seat can unlock the first locking mechanism when moving along a second axis relative to the second mounting seat; and the second locking mechanism is used for being connected with the central shaft tube so as to limit the central shaft tube to slide along the first mounting hole. Like above-mentioned structure to make central siphon have more degrees of freedom, make things convenient for user's adjustment central siphon's position and state, have more flexibility on using, optimize user's use experience.
Description
Technical Field
The utility model relates to a photographic goods technical field, in particular to axis strutting arrangement and photographic foot rest.
Background
In the prior art, some photography tripods are provided with a central axis tube, and the central axis tube is used for bearing a holder or directly bearing a camera. Wherein, most of the central axle tubes are only arranged to be used in a vertical drawing way, and part of the central axle tubes can be used in a vertical drawing way and a horizontal drawing way. However, the central shaft tube still has less freedom and lower use flexibility, which brings some inconvenience to users.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a axis strutting arrangement can make central siphon have more degrees of freedom, improves the flexibility of using.
The utility model discloses still provide the photographic foot rest that has above-mentioned axis strutting arrangement.
According to the utility model discloses a first aspect provides a axis strutting arrangement for installation central siphon, it includes: a first mounting seat; the second mounting seat is movably connected with the first mounting seat so as to be capable of rotating around a first axis relative to the first mounting seat; the third mounting seat is movably connected with the second mounting seat so as to rotate around a second axis relative to the second mounting seat, the first axis and the second axis form an included angle, and a first mounting hole for inserting the middle shaft tube is formed in the third mounting seat; the first locking mechanism is arranged between the second mounting seat and the third mounting seat, and the third mounting seat can unlock the first locking mechanism when moving along a second axis relative to the second mounting seat; and the second locking mechanism is connected with the central shaft tube so as to limit the central shaft tube to slide along the first mounting hole.
According to the center shaft supporting device, the bottom of the second mounting seat is connected with a mounting sleeve, the mounting sleeve is rotatably inserted into the first mounting seat, and the mounting sleeve is provided with a first boss positioned below the first mounting seat.
According to the middle shaft supporting device, the bottom of the third installation seat is provided with a first bevel face parallel to the second axis, and the second installation seat is provided with a second bevel face attached to the first bevel face.
According to the middle shaft supporting device, a shaft rod piece is fixedly arranged on the side wall of the third mounting seat, and the shaft rod piece is movably inserted in the second mounting seat.
According to the middle shaft supporting device, the first locking mechanism comprises a first fluted disc, a second fluted disc and a first spring, the first fluted disc is arranged on the second mounting base, the second fluted disc is arranged on the third mounting base and meshed with the first fluted disc, and the shaft rod piece penetrates through the first fluted disc and the second fluted disc; the second mounting seat is provided with a first thrust part, the shaft rod piece is provided with a second thrust part, the second thrust part is located on one side, back to the third mounting seat, of the first thrust part, and the first spring is arranged between the first thrust part and the second thrust part.
According to the center shaft supporting device, the center shaft supporting device further comprises a third locking mechanism, and the third locking mechanism is connected with the shaft rod piece and can limit the third mounting seat to move along the second axis relative to the second mounting seat.
According to axis strutting arrangement, third locking mechanical system include nut spare, unblock knob, screw spare and second spring, the nut spare slides and inserts and locate the unblock knob, just the rod piece is located to nut spare screw-thread fit cover, the pole portion of screw spare is connected in the one end of keeping away from the third mount pad of rod piece, just the unblock knob is worn to locate by the screw spare, the second spring sets up between the head and the unblock knob of screw spare.
According to the middle shaft supporting device, a groove is concavely formed in one side surface, back to the third mounting seat, of the second mounting seat, and a first set of sliding sleeve sleeved with the shaft rod piece is arranged in the groove; the pole portion cover of screw spare is equipped with the second and leads the sliding sleeve, the unblock knob is worn to locate by the second and leads the sliding sleeve to have the second boss that extends to one side of nut spare dorsad second mount pad.
According to axis strutting arrangement, second locking mechanical system include stay and first knob, the stay is located first mounting hole, just the cross-section of stay is the opening ring-type, first knob spiro union is located on first mount pad and is stopped the lateral wall of stay.
According to a second aspect of the present invention, there is provided a tripod comprising the center shaft supporting device.
Has the beneficial effects that: according to the structure, the central siphon can slide along the first mounting hole, the second mounting seat can rotate relative to the first mounting seat, and the third mounting seat can rotate relative to the second mounting seat, so that the central siphon has more degrees of freedom, a user can adjust the position and the state of the central siphon conveniently, the flexibility is higher in use, and the use experience of the user is optimized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a view showing the structure of an embodiment of a tripod according to the present invention;
FIG. 2 is a block diagram of the bottom bracket support shown in FIG. 1;
FIG. 3 is a first cross-sectional view of the bottom bracket support assembly illustrated in FIG. 2;
FIG. 4 is a second cross-sectional view of the bottom bracket support assembly illustrated in FIG. 2;
FIG. 5 is an exploded view of the bottom bracket support assembly shown in FIG. 2.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the embodiment of the present invention provides a photographic tripod, which includes a bottom bracket support and a leg tube 72, wherein the bottom bracket support is used for mounting a bottom bracket tube 71.
Referring to fig. 2 to 5, the bottom bracket support device includes a first mounting seat 10, a second mounting seat 20, a third mounting seat 30, a first locking mechanism 40 and a second locking mechanism 50, an end of the leg tube 72 is rotatably connected to the first mounting seat 10, the second mounting seat 20 is movably connected to the first mounting seat 10, so that the second mounting seat 20 can rotate around a first axis relative to the first mounting seat 10, the third mounting seat 30 is movably connected to the second mounting seat 20, so that the third mounting seat 30 can rotate around a second axis relative to the second mounting seat 20, the first axis and the second axis are arranged at an included angle, and the third mounting seat 30 is provided with a first mounting hole 31 for the bottom bracket tube 71 to be inserted into. The first locking mechanism 40 is disposed between the second mounting seat 20 and the third mounting seat 30, and the third mounting seat 30 can be restricted from rotating relative to the second mounting seat 20 by the first locking mechanism 40. When the third mounting seat 30 moves relative to the second mounting seat 20 along the second axis, the first locking mechanism 40 can be unlocked, and after the first locking mechanism 40 is unlocked, the third mounting seat 30 can rotate relative to the second mounting seat 20. The second locking mechanism 50 is coupled to the bottom bracket tube 71 such that the bottom bracket tube 71 can be locked by the second locking mechanism 50 to limit the bottom bracket tube 71 from sliding along the first mounting hole 31.
With the above structure, the bottom bracket tube 71 can slide along the first mounting hole 31, the second mounting base 20 can rotate relative to the first mounting base 10, and the third mounting base 30 can rotate relative to the second mounting base 20, so that the bottom bracket tube 71 has more degrees of freedom, which is convenient for a user to adjust the orientation and state of the bottom bracket tube 71, provides more flexibility in use, and optimizes the user experience.
In this embodiment, the second axis is perpendicular to the first axis, i.e. the included angle between the two is 90 °. The axis of the first mounting hole 31 is perpendicular to the second axis, i.e., the bottom bracket tube 71 moves in the first mounting hole 31 in a direction perpendicular to the second axis. Of course, in some embodiments, the second axis may have other values with respect to the first axis; the axis of the first mounting hole 31 and the second axis may also form an included angle with other values.
In this embodiment, the bottom bracket tube 71 is rotatably inserted into the first mounting hole 31, that is, the first mounting hole 31 is used for the bottom bracket tube 71 to be rotatably inserted, so that the bottom bracket tube 71 can also rotate relative to the third mounting seat 30, and the degree of freedom of the bottom bracket tube 71 is further increased.
In this embodiment, the second mounting seat 20 is provided with a second mounting hole 21, the first mounting seat 10 is provided with a third mounting hole 11, and the bottom bracket tube 71 is sequentially inserted into the first mounting hole 31, the second mounting hole 21 and the third mounting hole 11 from top to bottom. That is, the first mounting hole 31, the second mounting hole 21 and the third mounting hole 11 are sequentially arranged from top to bottom, the structure can improve the stability of the bottom bracket tube 71, and the third mounting hole 11 can be centrally disposed on the first mounting seat 10.
In this embodiment, the bottom of the second mounting seat 20 is connected with a mounting sleeve 22, the mounting sleeve 22 is rotatably inserted into the first mounting seat 10, and the mounting sleeve 22 has a first boss 23 located below the first mounting seat 10, by which the first mounting seat 10 and the second mounting seat 20 can be movably connected. Specifically, the mounting sleeve 22 is inserted into the second mounting seat 20, and an internal thread and an external thread are provided at the insertion connection position of the two, so that the two are in threaded fit connection.
In some embodiments, the bottom of the second mounting base 20 can be rotatably inserted into the first mounting base 10, a first limiting groove is circumferentially arranged on the outer wall of the bottom of the second mounting base 20, and a pin or a screw inserted into the first limiting groove is arranged on the first mounting base 10, so as to rotatably connect the first mounting base 10 and the second mounting base 20.
In this embodiment, the bottom of the third mounting seat 30 has a first bezel surface 32 parallel to the second axis, the second mounting seat 20 is provided with a second bezel surface 24 attached to the first bezel surface 32, and the third mounting seat 30 can separate the first bezel surface 32 from the second bezel surface 24 when rotating around the second axis. Through this structure, second mount pad 20 can support third mount pad 30, reduces or avoids the deformation that the atress of junction between second mount pad 20 and the third mount pad 30 and lead to.
In this embodiment, an axle member 33 is fixedly disposed on a side wall of the third mounting seat 30, the axle member 33 is disposed along the second axis, and the axle member 33 is movably inserted into the second mounting seat 20, so as to movably connect the third mounting seat 30 with the second mounting seat 20.
The first locking mechanism 40 includes a first fluted disc 41, a second fluted disc 42 and a first spring 43, the first fluted disc 41 is disposed on the second mounting base 20, the second fluted disc 42 is disposed on the third mounting base 30, the second fluted disc 42 is meshed with the first fluted disc 41, the shaft member 33 is disposed through the first fluted disc 41 and the second fluted disc 42, the second mounting base 20 is disposed with a first thrust portion 25, the shaft member 33 is disposed with a second thrust portion 331, the second thrust portion 331 is located on a side of the first thrust portion 25, the side faces away from the third mounting base 30, and the first spring 43 is disposed between the first thrust portion 25 and the second thrust portion 331. With this structure, the elastic force provided by the first spring 43 can make the first toothed plate 41 and the second toothed plate 42 tightly contact and engage to limit the rotation of the third mounting base 30 relative to the second mounting base 20. In use, the first locking mechanism 40 can be unlocked by forcibly rotating the third mounting base 30 such that the first toothed plate 41 and the second toothed plate 42 are pushed against each other, causing the third mounting base 30 to move along the second axis to disengage the first toothed plate 41 from the second toothed plate 42; of course, the third mounting seat 30 can be pulled to move.
A sheath 44 is sleeved between the third mounting base 30 and the second mounting base 20, and the second toothed disc 42 and the first toothed disc 41 are located in the sheath 44, so that the overall appearance is attractive, and foreign matters are prevented from entering between the first toothed disc 41 and the second toothed disc 42 to prevent the first toothed disc and the second toothed disc from being meshed.
In some cases, the camera carried by the end of the bottom bracket tube 71 has too much weight to generate too much torque, which in turn causes the third mounting seat 30 to receive a large torsion force to unlock the first locking mechanism 40 by itself, i.e. the bottom bracket tube 71 is stressed too much to unlock the first locking mechanism 40 by mistake. To solve this problem, in this embodiment, the bottom bracket support further includes a third locking mechanism 60, and the third locking mechanism 60 is connected to the axle bar 33 and can limit the movement of the third mounting seat 30 relative to the second mounting seat 20 along the second axis. Specifically, the third locking mechanism 60 includes a nut member 61, an unlocking knob 62, a screw member 63 and a second spring 64, wherein the nut member 61 is slidably inserted into the unlocking knob 62, and the nut member 61 is threadedly engaged with and sleeved on the shaft member 33. The rod part of the screw member 63 is connected to one end of the shaft rod part 33 far away from the third mounting seat 30, the screw member 63 is arranged through the unlocking knob 62, and the second spring 64 is arranged between the head part of the screw member 63 and the unlocking knob 62. The resilient force provided by the second spring 64 may hold the unlocking knob 62 against the second mount 20, preventing loosening, disengagement of the unlocking knob 62. Wherein, a concave groove 26 is concavely formed on a side surface of the second mounting seat 20 opposite to the third mounting seat 30, and a first sliding sleeve 65 sleeved with the shaft member 33 is arranged in the concave groove 26. The nut member 61 is driven to rotate by rotating the unlocking knob 62, the nut member 61 slides along the unlocking knob 62, and the nut member 61 moves towards the third installation seat 30 along the shaft member 33 through the threaded fit between the nut member 61 and the shaft member 33, and the nut member 61 abuts against the first sliding guide sleeve 65, so that the shaft member 33 can be tensioned, and the movement of the third installation seat 30 can be limited; the unlocking knob 62 is rotated reversely so that the nut member 61 moves reversely along the shaft member 33 and comes out of contact with the first sliding guide sleeve 65, at which time the third mounting seat 30 can be moved by force. The first sliding sleeve 65 can be stopped by the nut member 61 and can support the shaft member 33 to prevent the shaft member 33 from shaking.
In this embodiment, the screw member 63 is sleeved with a second sliding guide sleeve 66, the second sliding guide sleeve 66 is disposed through the unlocking knob 62, and the second sliding guide sleeve 66 has a second boss 67 extending to a side of the nut member 61 facing away from the second mounting seat 20. With this structure, the maximum moving distance of the nut member 61 can be restricted, and falling off thereof can be avoided.
In some embodiments, the nut member 61 may directly abut against a side of the second mounting seat 20 facing away from the third mounting seat 30. In some embodiments, the third locking mechanism 60 includes a limiting screw, and the outer sidewall of the shaft member 33 is surrounded by a second limiting groove, and the limiting screw is screwed into the second mounting seat 20 and extends into the second limiting groove.
The second locking mechanism 50 includes a locking plate 51 and a first knob 52, the locking plate 51 is located in the first mounting hole 31, a cross section of the locking plate 51 is an open ring, and the first knob 52 is screwed on the first mounting seat 10 and abuts against an outer side wall of the locking plate 51. The first knob 52 is tightened, the locking tabs 51 are compressed to reduce the width of the opening, and the locking tabs 51 abut and press against the bottom bracket tube 71 to limit the movement and rotation of the bottom bracket tube 71.
In some embodiments, the end of the first knob 52 can be directly abutted against the bottom bracket tube 71.
In this embodiment, the side wall of the first mounting seat 10 has a locking hole 12 communicating with the inner cavity thereof, a stopper 13 is slidably disposed in the locking hole 12, and a second knob 14 is threaded in the locking hole 12. The second knob 14 is rotated to make the position-limiting head 13 abut against the outer side wall of the mounting sleeve 22, so as to limit the second mounting seat 20 from rotating relative to the first mounting seat 10. In some embodiments, the end of the second knob 14 may be stopped directly against the mounting sleeve 22.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A bottom bracket support assembly for mounting a bottom bracket tube, comprising:
a first mounting seat;
the second mounting seat is movably connected with the first mounting seat so as to be capable of rotating around a first axis relative to the first mounting seat;
the third mounting seat is movably connected with the second mounting seat so as to rotate around a second axis relative to the second mounting seat, the first axis and the second axis form an included angle, and a first mounting hole for inserting the middle shaft tube is formed in the third mounting seat;
the first locking mechanism is arranged between the second mounting seat and the third mounting seat, and the third mounting seat can unlock the first locking mechanism when moving along a second axis relative to the second mounting seat;
and the second locking mechanism is connected with the central shaft tube so as to limit the central shaft tube to slide along the first mounting hole.
2. The bottom bracket support device according to claim 1, wherein a mounting sleeve is connected to the bottom of the second mounting seat, and the mounting sleeve is rotatably inserted into the first mounting seat and has a first boss located below the first mounting seat.
3. The bottom bracket support assembly according to claim 1 or 2, wherein the bottom of the third mounting bracket has a first bezel surface parallel to the second axis, and the second mounting bracket has a second bezel surface disposed adjacent to the first bezel surface.
4. The bottom bracket support device according to claim 1, wherein an axle member is fixedly arranged on a side wall of the third mounting seat, and the axle member is movably inserted into the second mounting seat.
5. The bottom bracket support assembly according to claim 4, wherein the first locking mechanism includes a first gear, a second gear, and a first spring, the first gear is disposed on the second mounting bracket, the second gear is disposed on the third mounting bracket and engaged with the first gear, and the axle member is disposed through the first gear and the second gear;
the second mount pad is provided with first thrust portion, the shaft member is provided with second thrust portion, second thrust portion is located one side of third mount pad dorsad of first thrust portion, first spring sets up between first thrust portion and second thrust portion.
6. Bottom bracket support assembly according to claim 4 or 5, further comprising a third locking mechanism coupled to the axle member and adapted to limit movement of the third mounting bracket relative to the second mounting bracket along the second axis.
7. The bottom bracket support device according to claim 6, wherein the third locking mechanism comprises a nut member, an unlocking knob, a screw member and a second spring, the nut member is slidably inserted into the unlocking knob, the nut member is screwed on the shaft rod member, the rod of the screw member is connected to the end of the shaft rod member away from the third mounting seat, the screw member is inserted into the unlocking knob, and the second spring is disposed between the head of the screw member and the unlocking knob.
8. The bottom bracket support device according to claim 7, wherein a recess is concavely formed in a side of the second mounting seat facing away from the third mounting seat, and a first sliding sleeve sleeved with the axle member is arranged in the recess;
the pole portion cover of screw spare is equipped with the second and leads the sliding sleeve, the unblock knob is worn to locate by the second and leads the sliding sleeve to have the second boss that extends to one side of nut spare dorsad second mount pad.
9. The bottom bracket support device of claim 1, wherein the second locking mechanism comprises a locking piece and a first knob, the locking piece is located in the first mounting hole, the cross section of the locking piece is in an open ring shape, and the first knob is screwed on the first mounting seat and abuts against the outer side wall of the locking piece.
10. A camera tripod comprising a medial axis support according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221286337.XU CN217634883U (en) | 2022-05-26 | 2022-05-26 | Center shaft supporting device and photographing foot stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221286337.XU CN217634883U (en) | 2022-05-26 | 2022-05-26 | Center shaft supporting device and photographing foot stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217634883U true CN217634883U (en) | 2022-10-21 |
Family
ID=83655559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221286337.XU Active CN217634883U (en) | 2022-05-26 | 2022-05-26 | Center shaft supporting device and photographing foot stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217634883U (en) |
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2022
- 2022-05-26 CN CN202221286337.XU patent/CN217634883U/en active Active
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